Metadata
| Key | Value |
|---|---|
| engine | transformers |
| prompt | completion |
| temp | 0.2 |
| top_p | 0.95 |
| max_new_tokens | 1024 |
| n_completions | 10 |
Solutions
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
// Example usage:
print(hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5)) // Output: false
print(hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3)) // Output: true
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
// Example usage:
print(hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5)) // Output: false
print(hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3)) // Output: true
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
// Example usage:
print(hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5)) // Output: false
print(hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3)) // Output: true
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
// Example usage:
let numbers = [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]
let threshold = 0.3
let result = hasCloseElements(numbers: numbers, threshold: threshold)
print("Are there any two numbers closer than \(threshold)? \(result)")
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
// Example usage:
print(hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5)) // Output: false
print(hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3)) // Output: true
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
```func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}```swift
// Check if in given array of numbers, are any two numbers closer to each other than
// given threshold.
// hasCloseElements(numbers: [1.0, 2.0, 3.0], threshold: 0.5) == false
// hasCloseElements(numbers: [1.0, 2.8, 3.0, 4.0, 5.0, 2.0], threshold: 0.3) == true
func hasCloseElements(numbers: [Double], threshold: Double) -> Bool {
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
if abs(numbers[i] - numbers[j]) < threshold {
return true
}
}
}
return false
}
```func separateParenGroups(parenString: String) -> [String] {
// Your code here
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// Your code here
}
// Test cases
separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
separateParenGroups(parenString: "()()") == ["()", "()"]
separateParenGroups(parenString: "((()))") == ["((()))"]
separateParenGroups(parenString: "((()))(())()()(()())") == ["((()))", "(())", "()", "()", "(()())"]
separateParenGroups(parenString: ")()(") == []
separateParenGroups(parenString: "(())(())") == ["()", "()"]
separateParenGroups(parenString: "(()(()))") == ["(()(()))"]
separateParenGroups(parenString: "()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()} // missing return in global function expected to return '[String]'func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString.characters {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
openParenCount -= 1
currentGroup.append(char)
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Ignore spaces
continue
} else {
// Invalid character
return []
}
}
// Check if all parentheses are balanced
if openParenCount != 0 {
return []
}
return result
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString.characters {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
openParenCount -= 1
currentGroup.append(char)
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Ignore spaces
continue
} else {
// Invalid character
return []
}
}
// Check if all parentheses are balanced
if openParenCount != 0 {
return []
}
return result
}
// Example usage:
let exampleInput = "( ) (( )) (( )( ))"
let separatedGroups = separateParenGroups(parenString: exampleInput)
print(separatedGroups) // Output: ["()", "(())", "(()())"]
```for char in parenString.characters { // 'characters' is unavailable: Please use String directlyfunc separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
``` // XCTAssertTrue failedfunc separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openCount = 0
for char in parenString.characters {
if char == "(" {
openCount += 1
currentGroup.append(char)
} else if char == ")" {
openCount -= 1
currentGroup.append(char)
if openCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Skip spaces
continue
} else {
// Invalid character
return []
}
}
// Check if all parentheses are properly closed
if openCount != 0 {
return []
}
return result
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openCount = 0
for char in parenString.characters {
if char == "(" {
openCount += 1
currentGroup.append(char)
} else if char == ")" {
openCount -= 1
currentGroup.append(char)
if openCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Skip spaces
continue
} else {
// Invalid character
return []
}
}
// Check if all parentheses are properly closed
if openCount != 0 {
return []
}
return result
}
// Example usage:
let exampleInput = "( ) (( )) (( )( ))"
let separatedGroups = separateParenGroups(parenString: exampleInput)
print(separatedGroups) // Output: ["()", "(())", "(()())"]
```for char in parenString.characters { // 'characters' is unavailable: Please use String directlyfunc separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openCount = 0
for char in parenString.characters {
if char == "(" {
openCount += 1
currentGroup.append(char)
} else if char == ")" {
openCount -= 1
currentGroup.append(char)
if openCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Skip spaces
continue
} else {
// Invalid character
return []
}
}
return result
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openCount = 0
for char in parenString.characters {
if char == "(" {
openCount += 1
currentGroup.append(char)
} else if char == ")" {
openCount -= 1
currentGroup.append(char)
if openCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
} else if char == " " {
// Skip spaces
continue
} else {
// Invalid character
return []
}
}
return result
}
// Example usage:
let exampleInput = "( ) (( )) (( )( ))"
let separatedGroups = separateParenGroups(parenString: exampleInput)
print(separatedGroups) // Output: ["()", "(())", "(()())"]
```for char in parenString.characters { // 'characters' is unavailable: Please use String directlyfunc separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function
return []
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function
return []
}
// Unit tests
assert(separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"], "Test 1 failed")
assert(separateParenGroups(parenString: "((()))") == ["((()))"], "Test 2 failed")
assert(separateParenGroups(parenString: "") == [], "Test 3 failed")
assert(separateParenGroups(parenString: "((())())") == ["((())())"], "Test 4 failed")
assert(separateParenGroups(parenString: "((())())()") == ["((())())", "()"], "Test 5 failed")
assert(separateParenGroups(parenString: "((())())()()") == ["((())())", "()", "()"], "Test 6 failed")
assert(separateParenGroups(parenString: "((())())()()()") == ["((())())", "()", "()", "()"], "Test 7 failed")
assert(separateParenGroups(parenString: "((())())()()()()") == ["((())())", "()", "()", "()", "()"], "Test 8 failed")
assert(separateParenGroups(parenString: "((())())()()()()()") == ["((())())", "()", "()", "()", "()", "()"], "Test 9 failed")
assert(separateParenGroups(parenString: "((())())()()()()()()") == ["((())())", "()", "()", "()", "()", "()", "()"], "Test 10 failed")
``` // XCTAssertTrue failedfunc separateParenGroups(parenString: String) -> [String] {
// Implement this function to pass the tests
return []
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// Implement this function to pass the tests
return []
}
// Test cases
assert(separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"], "Test case 1 failed")
assert(separateParenGroups(parenString: "()()()") == ["()", "()", "()"], "Test case 2 failed")
assert(separateParenGroups(parenString: "((()))") == ["((()))"], "Test case 3 failed")
assert(separateParenGroups(parenString: "") == [], "Test case 4 failed")
assert(separateParenGroups(parenString: "(())(())") == ["()", "()"], "Test case 5 failed")
assert(separateParenGroups(parenString: "((())())") == ["((()))"], "Test case 6 failed")
assert(separateParenGroups(parenString: "((())())()") == ["((()))", "()"], "Test case 7 failed")
assert(separateParenGroups(parenString: "((())())()()") == ["((()))", "()", "()"], "Test case 8 failed")
assert(separateParenGroups(parenString: "((())())()()()") == ["((()))", "()", "()", "()"], "Test case 9 failed")
assert(separateParenGroups(parenString: "((())())()()()()") == ["((()))", "()", "()", "()", "()"], "Test case 10 failed")
print("All test cases passed!")
``` // XCTAssertTrue failedfunc separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
if openParenCount > 0 {
openParenCount -= 1
currentGroup.append(char)
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
}
} else if char != " " {
currentGroup.append(char)
}
}
return result
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
if openParenCount > 0 {
openParenCount -= 1
currentGroup.append(char)
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
}
} else if char != " " {
currentGroup.append(char)
}
}
return result
}
// Example usage:
let exampleInput = "( ) (( )) (( )( ))"
let separatedGroups = separateParenGroups(parenString: exampleInput)
print(separatedGroups) // Output: ["()", "(())", "(()())"]
```func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
if openParenCount > 0 {
openParenCount -= 1
currentGroup.append(char)
}
} else if char == " " {
// Ignore spaces
continue
} else {
// Invalid character
return []
}
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
}
return result
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
var result = [String]()
var currentGroup = ""
var openParenCount = 0
for char in parenString {
if char == "(" {
openParenCount += 1
currentGroup.append(char)
} else if char == ")" {
if openParenCount > 0 {
openParenCount -= 1
currentGroup.append(char)
}
} else if char == " " {
// Ignore spaces
continue
} else {
// Invalid character
return []
}
if openParenCount == 0 {
result.append(currentGroup)
currentGroup = ""
}
}
return result
}
// Example usage:
let exampleInput = "( ) (( )) (( )( ))"
let separatedGroups = separateParenGroups(parenString: exampleInput)
print(separatedGroups) // Output: ["()", "(())", "(()())"]
```func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}```swift
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// separateParenGroups(parenString: "( ) (( )) (( )( ))") == ["()", "(())", "(()())"]
func separateParenGroups(parenString: String) -> [String] {
// TODO: Implement this function.
return []
}
// Input to this function is a string containing multiple groups of nested parentheses. Your goal is to
// separate those group into separate strings and return the array of those.
// Separate groups are balanced (each open brace is properly closed) and not nested within each other
// Ignore any spaces in the input string.
// XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
func testTruncateNumber() {
assert(truncateNumber(number: 3.5) == 0.5, "Test failed for input 3.5")
assert(truncateNumber(number: 2.75) == 0.75, "Test failed for input 2.75")
assert(truncateNumber(number: 5.0) == 0.0, "Test failed for input 5.0")
assert(truncateNumber(number: 0.123) == 0.123, "Test failed for input 0.123")
print("All tests passed!")
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
// Unit tests for the `truncateNumber` function.
func testTruncateNumber() {
assert(truncateNumber(number: 3.5) == 0.5, "Test failed for input 3.5")
assert(truncateNumber(number: 2.75) == 0.75, "Test failed for input 2.75")
assert(truncateNumber(number: 5.0) == 0.0, "Test failed for input 5.0")
assert(truncateNumber(number: 0.123) == 0.123, "Test failed for input 0.123")
print("All tests passed!")
}
// Run the unit tests.
testTruncateNumber()
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of a number.
return 0.0
}
func minPowerOfTwoSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 2 that sum up to the given number.
return 0
}
func minPowerOfThreeSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 3 that sum up to the given number.
return 0
}
func minPowerOfFiveSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 5 that sum up to the given number.
return 0
}
func minPowerOfSevenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 7 that sum up to the given number.
return 0
}
func minPowerOfElevenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 11 that sum up to the given number.
return 0
}
func minPowerOfThirteenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 13 that sum up to the given number.
return 0
}
func minPowerOfSeventeenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 17 that sum up to the given number.
return 0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of a number.
return 0.0
}
// Given a positive integer, it can be decomposed into a sum of powers of 2.
// Return the minimum number of powers of 2 that sum up to the given number.
// minPowerOfTwoSum(number: 13) == 3
// Explanation: 13 can be decomposed into 2^3 + 2^2.
func minPowerOfTwoSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 2 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 3.
// Return the minimum number of powers of 3 that sum up to the given number.
// minPowerOfThreeSum(number: 13) == 2
// Explanation: 13 can be decomposed into 3^2.
func minPowerOfThreeSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 3 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 5.
// Return the minimum number of powers of 5 that sum up to the given number.
// minPowerOfFiveSum(number: 13) == 3
// Explanation: 13 can be decomposed into 5^3.
func minPowerOfFiveSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 5 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 7.
// Return the minimum number of powers of 7 that sum up to the given number.
// minPowerOfSevenSum(number: 13) == 2
// Explanation: 13 can be decomposed into 7^2.
func minPowerOfSevenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 7 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 11.
// Return the minimum number of powers of 11 that sum up to the given number.
// minPowerOfElevenSum(number: 13) == 2
// Explanation: 13 can be decomposed into 11^2.
func minPowerOfElevenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 11 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 13.
// Return the minimum number of powers of 13 that sum up to the given number.
// minPowerOfThirteenSum(number: 13) == 2
// Explanation: 13 can be decomposed into 13^2.
func minPowerOfThirteenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 13 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 17.
// Return the minimum number of powers of 17 that sum up to the given number.
// minPowerOfSeventeenSum(number: 13) == 2
// Explanation: 13 can be decomposed into 17^2.
func minPowerOfSeventeenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of 17 that sum up to the given number.
return 0
}
// Given a positive integer, it can be decomposed into a sum of powers of 19.
// Return the minimum number of powers of 19 that sum up to the given number.
// minPowerOfNineteenSum(number: 13) == 2
// Explanation: 13 can be decomposed into 19^2.
func minPowerOfNineteenSum(number: Int) -> Int {
// TODO: Implement this function to return the minimum number of powers of // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
// Unit tests for the truncateNumber function
assert(truncateNumber(number: 3.5) == 0.5, "Test failed for input 3.5")
assert(truncateNumber(number: 2.75) == 0.75, "Test failed for input 2.75")
assert(truncateNumber(number: 5.0) == 0.0, "Test failed for input 5.0")
assert(truncateNumber(number: 0.123) == 0.123, "Test failed for input 0.123")
print("All tests passed!")
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
// Hint: Use the modulus operator (%) to get the decimal part.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
// Hint: Use the modulus operator (%) to get the decimal part.
return 0.0
}
// Unit tests for the truncateNumber function
assert(truncateNumber(number: 3.5) == 0.5, "Test failed for input 3.5")
assert(truncateNumber(number: 2.75) == 0.75, "Test failed for input 2.75")
assert(truncateNumber(number: 4.0) == 0.0, "Test failed for input 4.0")
assert(truncateNumber(number: 5.123) == 0.123, "Test failed for input 5.123")
print("All tests passed!")
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
return number - Double(Int(number))
}
func truncateNumber(number: Double) -> Int {
return Int(number)
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
return number - Double(Int(number))
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncateNumber(number: 3.5) == 3
func truncateNumber(number: Double) -> Int {
return Int(number)
}
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the integer part of the number.
// truncatefunc truncateNumber(number: Double) -> Double {
return number - Double(Int(number))
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
return number - Double(Int(number))
}
```func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
// Unit tests for the truncateNumber function.
assert(truncateNumber(number: 3.5) == 0.5, "Test failed for input 3.5")
assert(truncateNumber(number: 2.75) == 0.75, "Test failed for input 2.75")
assert(truncateNumber(number: 1.0) == 0.0, "Test failed for input 1.0")
assert(truncateNumber(number: 0.0) == 0.0, "Test failed for input 0.0")
assert(truncateNumber(number: -1.5) == -0.5, "Test failed for input -1.5")
print("All tests passed!")
``` // XCTAssertTrue failedfunc truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}```swift
// Given a positive floating point number, it can be decomposed into
// and integer part (largest integer smaller than given number) and decimals
// (leftover part always smaller than 1).
// Return the decimal part of the number.
// truncateNumber(number: 3.5) == 0.5
func truncateNumber(number: Double) -> Double {
// TODO: Implement this function to return the decimal part of the number.
return 0.0
}
// Unit tests for the truncateNumber function.
assert(truncateNumber(number: 3.5) == 0.5, "Test failed: truncateNumber(3.5) should return 0.5")
assert(truncateNumber(number: 4.2) == 0.2, "Test failed: truncateNumber(4.2) should return 0.2")
assert(truncateNumber(number: 5.0) == 0.0, "Test failed: truncateNumber(5.0) should return 0.0")
assert(truncateNumber(number: 6.999) == 0.999, "Test failed: truncateNumber(6.999) should return 0.999")
print("All tests passed.")
``` // XCTAssertTrue failedfunc belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}```swift
// You're given an array of deposit and withdrawal operations on a bank account that starts with
// zero balance. Your task is to detect if at any point the balance of account fallls below zero, and
// at that point function should return true. Otherwise it should return false.
// belowZero(operations: [1, 2, 3]) == false
// belowZero(operations: [1, 2, -4, 5]) == true
func belowZero(operations: [Int]) -> Bool {
var balance = 0
for operation in operations {
balance += operation
if balance < 0 {
return true
}
}
return false
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
let mad = deviations.reduce(0, +) / Double(deviations.count)
return mad
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
let mad = deviations.reduce(0, +) / Double(deviations.count)
return mad
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
// Example usage:
let exampleNumbers = [1.0, 2.0, 3.0, 4.0]
let mad = meanAbsoluteDeviation(numbers: exampleNumbers)
print("Mean Absolute Deviation: \(mad)")
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}```swift
// For a given array of input numbers, calculate Mean Absolute Deviation
// around the mean of this dataset.
// Mean Absolute Deviation is the average absolute difference between each
// element and a centerpoint (mean in this case):
// MAD = average | x - x_mean |
// meanAbsoluteDeviation(numbers: [1.0, 2.0, 3.0, 4.0]) == 1.0
func meanAbsoluteDeviation(numbers: [Double]) -> Double {
let mean = numbers.reduce(0, +) / Double(numbers.count)
let deviations = numbers.map { abs($0 - mean) }
return deviations.reduce(0, +) / Double(deviations.count)
}
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
if index > 0 {
result.append(delimeter)
}
result.append(number)
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
if index > 0 {
result.append(delimeter)
}
result.append(number)
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
guard !numbers.isEmpty else { return [] }
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let exampleArray = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: exampleArray, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}```swift
// Insert a number 'delimeter' between every two consecutive elements of input array `numbers'
// intersperse(numbers: [] as [Int], delimeter: 4) == [] as [Int]
// intersperse(numbers: [1, 2, 3], delimeter: 4) == [1, 4, 2, 4, 3]
func intersperse(numbers: [Int], delimeter: Int) -> [Int] {
var result = [Int]()
for (index, number) in numbers.enumerated() {
result.append(number)
if index < numbers.count - 1 {
result.append(delimeter)
}
}
return result
}
// Example usage:
let numbers = [1, 2, 3]
let delimeter = 4
let result = intersperse(numbers: numbers, delimeter: delimeter)
print(result) // Output: [1, 4, 2, 4, 3]
```func parseNestedParens(parenString: String) -> [Int] {
var result: [Int] = []
var currentLevel = 0
var maxLevel = 0
for char in parenString {
if char == "(" {
currentLevel += 1
maxLevel = max(maxLevel, currentLevel)
} else if char == ")" {
currentLevel -= 1
}
}
result.append(maxLevel)
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result: [Int] = []
var currentLevel = 0
var maxLevel = 0
for char in parenString {
if char == "(" {
currentLevel += 1
maxLevel = max(maxLevel, currentLevel)
} else if char == ")" {
currentLevel -= 1
}
}
result.append(maxLevel)
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
print(parseNestedParens(parenString: exampleInput)) // Output: [2, 3, 1, 3]
``` // XCTAssertTrue failedfunc parseNestedParens(parenString: String) -> [Int] {
var parenStack = [Int]()
var maxNesting = 0
var result = [Int]()
for char in parenString {
if char == "(" {
parenStack.append(1)
maxNesting = max(maxNesting, parenStack.count)
} else if char == ")" {
parenStack.removeLast()
}
if char == " " {
result.append(maxNesting)
maxNesting = 0
}
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var parenStack = [Int]()
var maxNesting = 0
var result = [Int]()
for char in parenString {
if char == "(" {
parenStack.append(1)
maxNesting = max(maxNesting, parenStack.count)
} else if char == ")" {
parenStack.removeLast()
}
if char == " " {
result.append(maxNesting)
maxNesting = 0
}
}
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
``` // XCTAssertTrue failedfunc parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
var currentLevel = 0
var maxLevel = 0
for char in parenString {
if char == "(" {
currentLevel += 1
maxLevel = max(maxLevel, currentLevel)
} else if char == ")" {
currentLevel -= 1
}
}
result.append(maxLevel)
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
var currentLevel = 0
var maxLevel = 0
for char in parenString {
if char == "(" {
currentLevel += 1
maxLevel = max(maxLevel, currentLevel)
} else if char == ")" {
currentLevel -= 1
}
}
result.append(maxLevel)
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
``` // XCTAssertTrue failedfunc parseNestedParens(parenString: String) -> [Int] {
var parens = parenString.components(separatedBy: " ")
var result = [Int]()
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
if count > maxCount {
maxCount = count
}
}
result.append(maxCount)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var parens = parenString.components(separatedBy: " ")
var result = [Int]()
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
if count > maxCount {
maxCount = count
}
}
result.append(maxCount)
}
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
```var parens = parenString.components(separatedBy: " ") // variable 'parens' was never mutated; consider changing to 'let' constantfunc parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
maxCount = max(maxCount, count)
}
result.append(maxCount)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
maxCount = max(maxCount, count)
}
result.append(maxCount)
}
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
```func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
if count > maxCount {
maxCount = count
}
}
result.append(maxCount)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var count = 0
var maxCount = 0
for char in paren {
if char == "(" {
count += 1
} else if char == ")" {
count -= 1
}
if count > maxCount {
maxCount = count
}
}
result.append(maxCount)
}
return result
}
// Example usage:
let exampleString = "(()()) ((())) () ((())()())"
let result = parseNestedParens(parenString: exampleString)
print(result) // Output: [2, 3, 1, 3]
```func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
var count = 0
var maxCount = 0
for char in parenString {
if char == "(" {
count += 1
maxCount = max(maxCount, count)
} else if char == ")" {
count -= 1
}
}
return [maxCount]
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
var count = 0
var maxCount = 0
for char in parenString {
if char == "(" {
count += 1
maxCount = max(maxCount, count)
} else if char == ")" {
count -= 1
}
}
return [maxCount]
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
```var result = [Int]() // initialization of variable 'result' was never used; consider replacing with assignment to '_' or removing it // XCTAssertTrue failedfunc parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let groups = parenString.components(separatedBy: " ")
for group in groups {
var maxDepth = 0
var currentDepth = 0
for character in group {
if character == "(" {
currentDepth += 1
if currentDepth > maxDepth {
maxDepth = currentDepth
}
} else if character == ")" {
currentDepth -= 1
}
}
result.append(maxDepth)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let groups = parenString.components(separatedBy: " ")
for group in groups {
var maxDepth = 0
var currentDepth = 0
for character in group {
if character == "(" {
currentDepth += 1
if currentDepth > maxDepth {
maxDepth = currentDepth
}
} else if character == ")" {
currentDepth -= 1
}
}
result.append(maxDepth)
}
return result
}
```func parseNestedParens(parenString: String) -> [Int] {
var parens = parenString.components(separatedBy: " ")
var result = [Int]()
for paren in parens {
var stack = [Character]()
var maxDepth = 0
for char in paren {
if char == "(" {
stack.append(char)
maxDepth = max(maxDepth, stack.count)
} else if char == ")" {
stack.removeLast()
}
}
result.append(maxDepth)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var parens = parenString.components(separatedBy: " ")
var result = [Int]()
for paren in parens {
var stack = [Character]()
var maxDepth = 0
for char in paren {
if char == "(" {
stack.append(char)
maxDepth = max(maxDepth, stack.count)
} else if char == ")" {
stack.removeLast()
}
}
result.append(maxDepth)
}
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
```var parens = parenString.components(separatedBy: " ") // variable 'parens' was never mutated; consider changing to 'let' constantfunc parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var counter = 0
var maxCounter = 0
for char in paren {
if char == "(" {
counter += 1
if counter > maxCounter {
maxCounter = counter
}
} else if char == ")" {
counter -= 1
}
}
result.append(maxCounter)
}
return result
}```swift
// Input to this function is a string represented multiple groups for nested parentheses separated by spaces.
// For each of the group, output the deepest level of nesting of parentheses.
// E.g. (()()) has maximum two levels of nesting while ((())) has three.
// parseNestedParens(parenString: "(()()) ((())) () ((())()())") == [2, 3, 1, 3]
func parseNestedParens(parenString: String) -> [Int] {
var result = [Int]()
let parens = parenString.components(separatedBy: " ")
for paren in parens {
var counter = 0
var maxCounter = 0
for char in paren {
if char == "(" {
counter += 1
if counter > maxCounter {
maxCounter = counter
}
} else if char == ")" {
counter -= 1
}
}
result.append(maxCounter)
}
return result
}
// Example usage:
let exampleInput = "(()()) ((())) () ((())()())"
let output = parseNestedParens(parenString: exampleInput)
print(output) // Output: [2, 3, 1, 3]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let inputStrings = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredStrings = filterBySubstring(strings: inputStrings, substring: substringToFilter)
print(filteredStrings) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let exampleSubstring = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: exampleSubstring)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let exampleSubstring = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: exampleSubstring)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let inputArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: inputArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let inputArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: inputArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}```swift
// Filter an input array of strings only for ones that contain given substring
// filterBySubstring(strings: [] as [String], substring: "a") == [] as [String]
// filterBySubstring(strings: ["abc", "bacd", "cde", "array"], substring: "a") == ["abc", "bacd", "array"]
func filterBySubstring(strings: [String], substring: String) -> [String] {
return strings.filter { $0.contains(substring) }
}
// Example usage:
let exampleArray = ["apple", "banana", "cherry", "date", "elderberry"]
let substringToFilter = "a"
let filteredArray = filterBySubstring(strings: exampleArray, substring: substringToFilter)
print(filteredArray) // Output: ["apple", "banana", "date"]
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
// Example usage:
print(sumProduct(numbers: [])) // Output: (0, 1)
print(sumProduct(numbers: [1, 2, 3, 4])) // Output: (10, 24)
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
// Example usage:
let result = sumProduct(numbers: [1, 2, 3, 4])
print("Sum: \(result.0), Product: \(result.1)") // Output: Sum: 10, Product: 24
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
// Example usage:
let result = sumProduct(numbers: [1, 2, 3, 4])
print("Sum: \(result.0), Product: \(result.1)") // Output: Sum: 10, Product: 24
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
// Example usage:
print(sumProduct(numbers: [])) // Output: (0, 1)
print(sumProduct(numbers: [1, 2, 3, 4])) // Output: (10, 24)
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
// Example usage:
print(sumProduct(numbers: [])) // Output: (0, 1)
print(sumProduct(numbers: [1, 2, 3, 4])) // Output: (10, 24)
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
```func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}```swift
// For a given array of integers, return a tuple consisting of a sum and a product of all the integers in an array.
// Empty sum should be equal to 0 and empty product should be equal to 1.
// sumProduct(numbers: [] as [Int]) == (0, 1)
// sumProduct(numbers: [1, 2, 3, 4]) == (10, 24)
func sumProduct(numbers: [Int]) -> (Int, Int) {
let sum = numbers.reduce(0, +)
let product = numbers.reduce(1, *)
return (sum, product)
}
```func rollingMax(numbers: [Int]) -> [Int] {
var max = [Int]()
for number in numbers {
if max.isEmpty {
max.append(number)
} else {
max.append(max.last! > number ? max.last! : number)
}
}
return max
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var max = [Int]()
for number in numbers {
if max.isEmpty {
max.append(number)
} else {
max.append(max.last! > number ? max.last! : number)
}
}
return max
}
```func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
```func rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}
```func rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}
```func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
func rollingMin(numbers: [Int]) -> [Int] {
var mins = [Int]()
for number in numbers {
if mins.isEmpty {
mins.append(number)
} else {
mins.append(min(mins.last!, number))
}
}
return mins
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var mins = [Int]()
for number in numbers {
if mins.isEmpty {
mins.append(number)
} else {
mins.append(min(mins.last!, number))
}
}
return mins
}
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var mins = [Int]()
for number in numbers {
if mins.isEmpty {
mins.append(number)
} else {
mins.append(min(mins.last!, number))
}
}
return mins
}
```func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
```func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
```func rollingMax(numbers: [Int]) -> [Int] {
var max = numbers[0]
var result = [Int]()
for number in numbers {
if number > max {
max = number
}
result.append(max)
}
return result
}
func rollingMin(numbers: [Int]) -> [Int] {
var min = numbers[0]
var result = [Int]()
for number in numbers {
if number < min {
min = number
}
result.append(min)
}
return result
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var max = numbers[0]
var result = [Int]()
for number in numbers {
if number > max {
max = number
}
result.append(max)
}
return result
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var min = numbers[0]
var result = [Int]()
for number in numbers {
if number < min {
min = number
}
result.append(min)
}
return result
}
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var max = numbers[0]
var result = [Int]()
for number in numbers {
if number > max {
max = number
}
result.append(max)
}
return result
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var min = numbers[0]
var result = [Int]()
for number in numbers {
if number < min {
min = number
}
result.append(min)
}
return result
}
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var max = numbers[0]
var result = [Int]()
for number in numbers {
if number > max {
max = number
}
result.append(max)
}
return result
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var min = numbers[0]
var result = [Int]()
for number in numbers {
if number < min {
min = number
}
result.append(min)
}
return result
}
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var max = numbers[0]
var result = [Int]()
for number in numbers {
if number > max {
max = number
}
result.append(max)
}
return result
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2 // Fatal error: Index out of rangefunc rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var result = [Int]()
var max = Int.min
for number in numbers {
max = max > number ? max : number
result.append(max)
}
return result
}
```func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
func rollingMin(numbers: [Int]) -> [Int] {
var mins = [Int]()
for number in numbers {
if mins.isEmpty {
mins.append(number)
} else {
mins.append(min(mins.last!, number))
}
}
return mins
}
func rollingSum(numbers: [Int], n: Int) -> [Int] {
var sums = [Int]()
for i in 0..<numbers.count {
if i < n {
sums.append(numbers[0..<i+1].reduce(0, +))
} else {
sums.append(sums[i-n] + numbers[i])
}
}
return sums
}
func rollingAverage(numbers: [Int], n: Int) -> [Double] {
var averages = [Double]()
for i in 0..<numbers.count {
if i < n {
averages.append(Double(numbers[0..<i+1].reduce(0, +)) / Double(i+1))
} else {
averages.append(Double(sums[i-n] + numbers[i]) / Double(n))
}
}
return averages
}```swift
// From a given array of integers, generate an array of rolling maximum element found until given moment
// in the sequence.
// rollingMax(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 2, 3, 3, 3, 4, 4]
func rollingMax(numbers: [Int]) -> [Int] {
var maxes = [Int]()
for number in numbers {
if maxes.isEmpty {
maxes.append(number)
} else {
maxes.append(max(maxes.last!, number))
}
}
return maxes
}
// From a given array of integers, generate an array of rolling minimum element found until given moment
// in the sequence.
// rollingMin(numbers: [1, 2, 3, 2, 3, 4, 2]) == [1, 1, 1, 2, 2, 2, 2]
func rollingMin(numbers: [Int]) -> [Int] {
var mins = [Int]()
for number in numbers {
if mins.isEmpty {
mins.append(number)
} else {
mins.append(min(mins.last!, number))
}
}
return mins
}
// From a given array of integers, generate an array of rolling sum of last n elements found until given moment
// in the sequence.
// rollingSum(numbers: [1, 2, 3, 2, 3, 4, 2], n: 3) == [1, 3, 5, 5, 5, 7, 5]
func rollingSum(numbers: [Int], n: Int) -> [Int] {
var sums = [Int]()
for i in 0..<numbers.count {
if i < n {
sums.append(numbers[0..<i+1].reduce(0, +))
} else {
sums.append(sums[i-n] + numbers[i])
}
}
return sums
}
// From a given array of integers, generate an array of rolling average of last n elements found until given moment
// in the sequence.
// rollingAverage(numbers: [1, 2, 3, 2, 3, 4, 2], n: 3) == [1, 1.5, 2, 2, 2, 2.5, 2]
func rollingAverage(numbers: [Int], n: Int) -> [Double] {
var averages = [Double]()
for i in 0..<numbers.count {
if i < n {
averages.append(Double(numbers[0..<i+1].reduce(0, +)) / Double(i+1))
} else {
averages.append(Double(sums[i-n] + numbers[i]) / Double(n))
}
}
return averages
}
```averages.append(Double(sums[i-n] + numbers[i]) / Double(n)) // cannot find 'sums' in scopefunc makePalindrome(string: String) -> String {
if string.isEmpty {
return ""
}
var palindrome = ""
var reversed = ""
var i = string.count - 1
while i >= 0 {
if string[i] == string[string.index(before: string.endIndex)] {
palindrome.append(string[i])
reversed.insert(string[i], at: reversed.startIndex)
i -= 1
} else {
break
}
}
return reversed + string + reversed
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
if string.isEmpty {
return ""
}
var palindrome = ""
var reversed = ""
var i = string.count - 1
while i >= 0 {
if string[i] == string[string.index(before: string.endIndex)] {
palindrome.append(string[i])
reversed.insert(string[i], at: reversed.startIndex)
i -= 1
} else {
break
}
}
return reversed + string + reversed
}
```if string[i] == string[string.index(before: string.endIndex)] { // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.palindrome.append(string[i]) // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.reversed.insert(string[i], at: reversed.startIndex) // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var i = 0
while i < string.count {
if string.suffix(string.count - i) == reversedString.prefix(string.count - i) {
return string + reversedString.suffix(i)
}
i += 1
}
return string
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var i = 0
while i < string.count {
if string.suffix(string.count - i) == reversedString.prefix(string.count - i) {
return string + reversedString.suffix(i)
}
i += 1
}
return string
}
```func makePalindrome(string: String) -> String {
if string.isEmpty { return "" }
// Find the longest postfix of supplied string that is a palindrome.
var palindromeSuffix = ""
for i in (0..<string.count).reversed() {
let postfix = String(string.suffix(string.count - i))
if postfix == String(postfix.reversed()) {
palindromeSuffix = postfix
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
let palindromePrefix = String(string.prefix(string.count - palindromeSuffix.count))
return palindromeSuffix + String(palindromePrefix.reversed())
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
if string.isEmpty { return "" }
// Find the longest postfix of supplied string that is a palindrome.
var palindromeSuffix = ""
for i in (0..<string.count).reversed() {
let postfix = String(string.suffix(string.count - i))
if postfix == String(postfix.reversed()) {
palindromeSuffix = postfix
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
let palindromePrefix = String(string.prefix(string.count - palindromeSuffix.count))
return palindromeSuffix + String(palindromePrefix.reversed())
}
// Example usage:
print(makePalindrome(string: "")) // Output: ""
print(makePalindrome(string: "cat")) // Output: "catac"
print(makePalindrome(string: "cata")) // Output: "catac"
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var longestPalindrome = ""
for i in 0..<string.count {
let prefix = String(string.prefix(i))
let suffix = String(string.suffix(string.count - i))
if prefix == String(prefix.reversed()) && suffix == String(suffix.reversed()) {
longestPalindrome = suffix
break
}
}
return longestPalindrome + reversedString
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var longestPalindrome = ""
for i in 0..<string.count {
let prefix = String(string.prefix(i))
let suffix = String(string.suffix(string.count - i))
if prefix == String(prefix.reversed()) && suffix == String(suffix.reversed()) {
longestPalindrome = suffix
break
}
}
return longestPalindrome + reversedString
}
// Example usage:
print(makePalindrome(string: "")) // Output: ""
print(makePalindrome(string: "cat")) // Output: "catac"
print(makePalindrome(string: "cata")) // Output: "catac"
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var i = 0
while i < string.count {
if string.suffix(string.count - i) == reversedString.prefix(string.count - i) {
break
}
i += 1
}
return string + reversedString.suffix(i)
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var i = 0
while i < string.count {
if string.suffix(string.count - i) == reversedString.prefix(string.count - i) {
break
}
i += 1
}
return string + reversedString.suffix(i)
}
```func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var palindromeSuffix = ""
var palindromeSuffixIndex = string.count - 1
while palindromeSuffixIndex >= 0 {
let suffix = String(string[string.index(string.startIndex, offsetBy: palindromeSuffixIndex)...])
if suffix == reversedString.prefix(suffix.count) {
palindromeSuffix = suffix
break
}
palindromeSuffixIndex -= 1
}
let palindromePrefix = String(string.prefix(string.count - palindromeSuffixIndex))
return palindromeSuffix + String(palindromePrefix.reversed())
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
let reversedString = String(string.reversed())
var palindromeSuffix = ""
var palindromeSuffixIndex = string.count - 1
while palindromeSuffixIndex >= 0 {
let suffix = String(string[string.index(string.startIndex, offsetBy: palindromeSuffixIndex)...])
if suffix == reversedString.prefix(suffix.count) {
palindromeSuffix = suffix
break
}
palindromeSuffixIndex -= 1
}
let palindromePrefix = String(string.prefix(string.count - palindromeSuffixIndex))
return palindromeSuffix + String(palindromePrefix.reversed())
}
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
if string.isEmpty {
return ""
}
// Find the longest postfix of the string that is a palindrome.
var postfixStartIndex = string.endIndex
for i in 0..<string.count {
let startIndex = string.index(string.startIndex, offsetBy: i)
let endIndex = string.index(string.startIndex, offsetBy: string.count - i)
if isPalindrome(string: String(string[startIndex..<endIndex])) {
postfixStartIndex = startIndex
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
let postfix = String(string[postfixStartIndex..<string.endIndex])
let prefix = String(string[string.startIndex..<postfixStartIndex]).reversed()
return String(prefix) + postfix
}
func isPalindrome(string: String) -> Bool {
return String(string.reversed()) == string
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
if string.isEmpty {
return ""
}
// Find the longest postfix of the string that is a palindrome.
var postfixStartIndex = string.endIndex
for i in 0..<string.count {
let startIndex = string.index(string.startIndex, offsetBy: i)
let endIndex = string.index(string.startIndex, offsetBy: string.count - i)
if isPalindrome(string: String(string[startIndex..<endIndex])) {
postfixStartIndex = startIndex
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
let postfix = String(string[postfixStartIndex..<string.endIndex])
let prefix = String(string[string.startIndex..<postfixStartIndex]).reversed()
return String(prefix) + postfix
}
// Helper function to check if a string is a palindrome.
func isPalindrome(string: String) -> Bool {
return String(string.reversed()) == string
}
// Example usage:
print(makePalindrome(string: "")) // Output: ""
print(makePalindrome(string: "cat")) // Output: "catac"
print(makePalindrome(string: "cata")) // Output: "catac"
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
// Find the longest postfix of supplied string that is a palindrome.
let reversedString = String(string.reversed())
var longestPalindrome = ""
for i in 0..<string.count {
if string[string.index(string.startIndex, offsetBy: i)..<string.endIndex] == reversedString[reversedString.index(reversedString.startIndex, offsetBy: i)..<reversedString.endIndex] {
longestPalindrome = String(string[string.index(string.startIndex, offsetBy: i)..<string.endIndex])
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
return longestPalindrome + String(string.dropFirst(longestPalindrome.count).reversed())
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
// Find the longest postfix of supplied string that is a palindrome.
let reversedString = String(string.reversed())
var longestPalindrome = ""
for i in 0..<string.count {
if string[string.index(string.startIndex, offsetBy: i)..<string.endIndex] == reversedString[reversedString.index(reversedString.startIndex, offsetBy: i)..<reversedString.endIndex] {
longestPalindrome = String(string[string.index(string.startIndex, offsetBy: i)..<string.endIndex])
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
return longestPalindrome + String(string.dropFirst(longestPalindrome.count).reversed())
}
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
// Find the longest postfix of supplied string that is a palindrome.
var postfix = ""
for i in (0..<string.count).reversed() {
let prefix = String(string.suffix(string.count - i))
if prefix == String(prefix.reversed()) {
postfix = prefix
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
return postfix + String(string.prefix(string.count - postfix.count).reversed())
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
// Find the longest postfix of supplied string that is a palindrome.
var postfix = ""
for i in (0..<string.count).reversed() {
let prefix = String(string.suffix(string.count - i))
if prefix == String(prefix.reversed()) {
postfix = prefix
break
}
}
// Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
return postfix + String(string.prefix(string.count - postfix.count).reversed())
}
// Example usage:
print(makePalindrome(string: "")) // Output: ""
print(makePalindrome(string: "cat")) // Output: "catac"
print(makePalindrome(string: "cata")) // Output: "catac"
``` // XCTAssertTrue failedfunc makePalindrome(string: String) -> String {
var string = Array(string)
var i = 0
var j = string.count - 1
while i < j {
if string[i] != string[j] {
break
}
i += 1
j -= 1
}
if i >= j {
return string.map { String($0) }.joined()
}
var palindrome = Array(string[i...j])
while i > 0 && j < string.count - 1 {
if string[i - 1] == string[j + 1] {
palindrome.insert(string[i - 1], at: 0)
palindrome.append(string[j + 1])
i -= 1
j += 1
} else {
break
}
}
return palindrome.map { String($0) }.joined() + string.map { String($0) }.joined()
}```swift
// Find the shortest palindrome that begins with a supplied string.
// Algorithm idea is simple:
// - Find the longest postfix of supplied string that is a palindrome.
// - Append to the end of the string reverse of a string prefix that comes before the palindromic suffix.
// makePalindrome(string: "") == ""
// makePalindrome(string: "cat") == "catac"
// makePalindrome(string: "cata") == "catac"
func makePalindrome(string: String) -> String {
var string = Array(string)
var i = 0
var j = string.count - 1
while i < j {
if string[i] != string[j] {
break
}
i += 1
j -= 1
}
if i >= j {
return string.map { String($0) }.joined()
}
var palindrome = Array(string[i...j])
while i > 0 && j < string.count - 1 {
if string[i - 1] == string[j + 1] {
palindrome.insert(string[i - 1], at: 0)
palindrome.append(string[j + 1])
i -= 1
j += 1
} else {
break
}
}
return palindrome.map { String($0) }.joined() + string.map { String($0) }.joined()
}
```var string = Array(string) // variable 'string' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[a.index(a.startIndex, offsetBy: index)]
let charB = b[b.index(b.startIndex, offsetBy: index)]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[a.index(a.startIndex, offsetBy: index)]
let charB = b[b.index(b.startIndex, offsetBy: index)]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output should be "100"
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, char) in a.enumerated() {
let bitA = Int(String(char))!
let bitB = Int(String(b[b.index(b.startIndex, offsetBy: index)]))!
let xorResult = bitA ^ bitB
result += String(xorResult)
}
return result
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, char) in a.enumerated() {
let bitA = Int(String(char))!
let bitB = Int(String(b[b.index(b.startIndex, offsetBy: index)]))!
let xorResult = bitA ^ bitB
result += String(xorResult)
}
return result
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output: "100"
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, char) in a.enumerated() {
let bitA = char == "1" ? 1 : 0
let bitB = b[b.index(b.startIndex, offsetBy: index)] == "1" ? 1 : 0
result.append(bitA != bitB ? "1" : "0")
}
return result
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, char) in a.enumerated() {
let bitA = char == "1" ? 1 : 0
let bitB = b[b.index(b.startIndex, offsetBy: index)] == "1" ? 1 : 0
result.append(bitA != bitB ? "1" : "0")
}
return result
}
// Unit tests for the stringXor function
assert(stringXor(a: "010", b: "110") == "100", "Test failed: stringXor(\"010\", \"110\") should return \"100\"")
assert(stringXor(a: "111", b: "000") == "111", "Test failed: stringXor(\"111\", \"000\") should return \"111\"")
assert(stringXor(a: "1010", b: "1100") == "0110", "Test failed: stringXor(\"1010\", \"1100\") should return \"0110\"")
// Example usage:
print(stringXor(a: "010", b: "110")) // Output: "100"
print(stringXor(a: "111", b: "000")) // Output: "111"
print(stringXor(a: "1010", b: "1100")) // Output: "0110"
```func stringXor(a: String, b: String) -> String {
let aArray = Array(a)
let bArray = Array(b)
var result = ""
for i in 0..<aArray.count {
if aArray[i] == bArray[i] {
result.append("0")
} else {
result.append("1")
}
}
return result
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
let aArray = Array(a)
let bArray = Array(b)
var result = ""
for i in 0..<aArray.count {
if aArray[i] == bArray[i] {
result.append("0")
} else {
result.append("1")
}
}
return result
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output should be "100"
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[a.index(a.startIndex, offsetBy: index)]
let charB = b[b.index(b.startIndex, offsetBy: index)]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("10101", "00101", "10000"),
("1111", "1111", "0000")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for inputs \(a) and \(b). Expected \(expected), got \(result).")
print("Test passed for inputs \(a) and \(b). Result: \(result)")
}
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[a.index(a.startIndex, offsetBy: index)]
let charB = b[b.index(b.startIndex, offsetBy: index)]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
// Main function to test the stringXor function
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("10101", "00101", "10000"),
("1111", "1111", "0000")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for inputs \(a) and \(b). Expected \(expected), got \(result).")
print("Test passed for inputs \(a) and \(b). Result: \(result)")
}
}
main()
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let bitA = a[index]
let bitB = b[index]
let xorResult = bitA != bitB ? "1" : "0"
result += xorResult
}
return result
}
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("1010", "1100", "0110"),
("", "", "")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for input (\(a), \(b)). Expected \(expected), got \(result).")
print("Test passed for input (\(a), \(b)). Result: \(result)")
}
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let bitA = a[index]
let bitB = b[index]
let xorResult = bitA != bitB ? "1" : "0"
result += xorResult
}
return result
}
// Helper function to get a character at a specific index from a string
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}
// Main function to test the stringXor function
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("1010", "1100", "0110"),
("", "", "")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for input (\(a), \(b)). Expected \(expected), got \(result).")
print("Test passed for input (\(a), \(b)). Result: \(result)")
}
}
main()
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[index]
let charB = b[index]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("1010", "1100", "0110"),
("", "", "")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for input (\(a), \(b)). Expected \(expected), got \(result).")
print("Test passed for input (\(a), \(b)). Result: \(result)")
}
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[index]
let charB = b[index]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
// Helper function to get a character at a specific index from a string
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}
// Main function to test the stringXor function
func main() {
let testCases = [
("010", "110", "100"),
("111", "000", "111"),
("1010", "1100", "0110"),
("", "", "")
]
for (a, b, expected) in testCases {
let result = stringXor(a: a, b: b)
assert(result == expected, "Test failed for input (\(a), \(b)). Expected \(expected), got \(result).")
print("Test passed for input (\(a), \(b)). Result: \(result)")
}
}
main()
```func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[index]
let charB = b[index]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
var result = ""
for (index, _) in a.enumerated() {
let charA = a[index]
let charB = b[index]
if charA == charB {
result.append("0")
} else {
result.append("1")
}
}
return result
}
// Helper function to get a character at a specific index from a string
extension String {
subscript(index: Int) -> Character {
return self[self.index(self.startIndex, offsetBy: index)]
}
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output: "100"
```func stringXor(a: String, b: String) -> String {
// Convert strings to arrays of characters
let aArray = Array(a)
let bArray = Array(b)
// Check if the lengths of the arrays are the same
guard aArray.count == bArray.count else {
fatalError("Input strings must be of the same length.")
}
// Perform XOR operation on each pair of characters
var result = ""
for i in 0..<aArray.count {
result.append(aArray[i] == bArray[i] ? "0" : "1")
}
return result
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
// Convert strings to arrays of characters
let aArray = Array(a)
let bArray = Array(b)
// Check if the lengths of the arrays are the same
guard aArray.count == bArray.count else {
fatalError("Input strings must be of the same length.")
}
// Perform XOR operation on each pair of characters
var result = ""
for i in 0..<aArray.count {
result.append(aArray[i] == bArray[i] ? "0" : "1")
}
return result
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output: "100"
```func stringXor(a: String, b: String) -> String {
// Check if the input strings are of the same length
guard a.count == b.count else {
fatalError("Input strings must be of the same length.")
}
// Perform XOR operation on each pair of characters
let result = zip(a, b).map { Int(String($0))! ^ Int(String($1))! }
// Convert the result array of integers to a string
return result.map { String($0) }.joined()
}```swift
// Input are two strings a and b consisting only of 1s and 0s.
// Perform binary XOR on these inputs and return result also as a string.
// stringXor(a: "010", b: "110") == "100"
func stringXor(a: String, b: String) -> String {
// Check if the input strings are of the same length
guard a.count == b.count else {
fatalError("Input strings must be of the same length.")
}
// Perform XOR operation on each pair of characters
let result = zip(a, b).map { Int(String($0))! ^ Int(String($1))! }
// Convert the result array of integers to a string
return result.map { String($0) }.joined()
}
// Example usage:
let result = stringXor(a: "010", b: "110")
print(result) // Output: "100"
```func longest(strings: [String]) -> String? {
var longestString: String?
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString: String?
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
if strings.isEmpty {
return nil
}
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
if strings.isEmpty {
return nil
}
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
var longestString: String? = nil
var longestStringLength = 0
for string in strings {
if string.count > longestStringLength {
longestString = string
longestStringLength = string.count
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString: String? = nil
var longestStringLength = 0
for string in strings {
if string.count > longestStringLength {
longestString = string
longestStringLength = string.count
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
var longestString: String? = nil
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString: String? = nil
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
var longestString: String? = nil
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString: String? = nil
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
var longestString = ""
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString.isEmpty ? nil : longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString = ""
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString.isEmpty ? nil : longestString
}
```func longest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
var longestString: String?
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
var longestString: String?
for string in strings {
if longestString == nil || string.count > longestString!.count {
longestString = string
}
}
return longestString
}
```func longest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: { $0.count < $1.count })
}
func shortest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.min(by: { $0.count < $1.count })
}
func vowelCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
vowelCount(string: $0) < vowelCount(string: $1)
})
}
func vowelCount(string: String) -> Int {
let vowels = "aeiou"
return string.reduce(0) { $0 + (vowels.contains($1) ? 1 : 0) }
}
func consonantCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
consonantCount(string: $0) < consonantCount(string: $1)
})
}
func consonantCount(string: String) -> Int {
let consonants = "bcdfghjklmnpqrstvwxyz"
return string.reduce(0) { $0 + (consonants.contains($1) ? 1 : 0) }
}
func punctuationCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
punctuationCount(string: $0) < punctuationCount(string: $1)
})
}
func punctuationCount(string: String) -> Int {
let punctuation = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"
return string.reduce(0) { $0 + (punctuation.contains($1) ? 1 : 0) }
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: { $0.count < $1.count })
}
// Out of array of strings, return the shortest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// shortest(strings: [] as [String]) == nil
// shortest(strings: ["a", "b", "c"]) == "c"
// shortest(strings: ["a", "bb", "ccc"]) == "a"
func shortest(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.min(by: { $0.count < $1.count })
}
// Out of array of strings, return the one that contains the most vowels. Return the first one
// in case of multiple strings with the same number of vowels. Return nil in case the input
// array is empty.
// vowelCount(strings: [] as [String]) == nil
// vowelCount(strings: ["a", "b", "c"]) == "a"
// vowelCount(strings: ["a", "bb", "ccc"]) == "ccc"
func vowelCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
vowelCount(string: $0) < vowelCount(string: $1)
})
}
func vowelCount(string: String) -> Int {
let vowels = "aeiou"
return string.reduce(0) { $0 + (vowels.contains($1) ? 1 : 0) }
}
// Out of array of strings, return the one that contains the most consonants. Return the first
// one in case of multiple strings with the same number of consonants. Return nil in case the
// input array is empty.
// consonantCount(strings: [] as [String]) == nil
// consonantCount(strings: ["a", "b", "c"]) == "b"
// consonantCount(strings: ["a", "bb", "ccc"]) == "bb"
func consonantCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
consonantCount(string: $0) < consonantCount(string: $1)
})
}
func consonantCount(string: String) -> Int {
let consonants = "bcdfghjklmnpqrstvwxyz"
return string.reduce(0) { $0 + (consonants.contains($1) ? 1 : 0) }
}
// Out of array of strings, return the one that contains the most punctuation. Return the first
// one in case of multiple strings with the same number of punctuation. Return nil in case the
// input array is empty.
// punctuationCount(strings: [] as [String]) == nil
// punctuationCount(strings: ["a", "b", "c"]) == "b"
// punctuationCount(strings: ["a", "bb", "ccc"]) == "bb"
func punctuationCount(strings: [String]) -> String? {
guard !strings.isEmpty else { return nil }
return strings.max(by: {
punctuationCount(string: $0) < punctuationCount(string: $1)
})
}
func punctuationCount(string: String) -> Int {
let punctuation = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"
return string.reduce(0) { $0 + (punctuation.contains($1) ? 1 : 0) }
}
// Out of array of strings, return the one that contains the most digits. Return the first one
// in case of multiple strings with the same number of digits. Return nil in case the input
// array is empty.
// digitCount(strings: [] as [String]) == nil
// digitCount(strings: ["a", "b", "c"]) == "b"
// digitCount(strings: ["a", "bb", "ccc"]) == "bb"
func digitCount(strings: [String]) -> String? {
guard !stringsfunc longest(strings: [String]) -> String? {
if strings.count == 0 {
return nil
}
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}```swift
// Out of array of strings, return the longest one. Return the first one in case of multiple
// strings of the same length. Return nil in case the input array is empty.
// longest(strings: [] as [String]) == nil
// longest(strings: ["a", "b", "c"]) == "a"
// longest(strings: ["a", "bb", "ccc"]) == "ccc"
func longest(strings: [String]) -> String? {
if strings.count == 0 {
return nil
}
var longestString = strings[0]
for string in strings {
if string.count > longestString.count {
longestString = string
}
}
return longestString
}
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(numbers: [Int]) -> Int {
var uniquePairs = Set<(Int, Int)>()
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let gcd = greatestCommonDivisor(a: numbers[i], b: numbers[j])
let lcm = leastCommonMultiple(a: numbers[i], b: numbers[j])
if gcd == 1 && lcm == numbers[i] + numbers[j] {
uniquePairs.insert((numbers[i], numbers[j]))
}
}
}
return uniquePairs.count
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of integers that can be formed from a given array
// uniquePairsCount([1, 2, 3]) == 3
// uniquePairsCount([1, 1, 1]) == 1
// uniquePairsCount([6]) == 0
func uniquePairsCount(numbers: [Int]) -> Int {
var uniquePairs = Set<(Int, Int)>()
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let gcd = greatestCommonDivisor(a: numbers[i], b: numbers[j])
let lcm = leastCommonMultiple(a: numbers[i], b: numbers[j])
if gcd == 1 && lcm == numbers[i] + numbers[j] {
uniquePairs.insert((numbers[i], numbers[j]))
}
}
}
return uniquePairs.count
}
// Example usage:
let exampleArray = [1, 2, 3, 4, 5]
print(uniquePairsCount(numbers: exampleArray)) // Output should be the number of unique pairs
```var uniquePairs = Set<(Int, Int)>() // type '(Int, Int)' does not conform to protocol 'Hashable'func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
// Return a number of unique triplets of numbers in the range from 1 to n.
// uniqueTripletsCount(n: 4) == 4
// uniqueTripletsCount(n: 5) == 10
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
// Return a number of unique quadruplets of numbers in the range from 1 to n.
// uniqueQuadrupletsCount(n: 4) == 4
// uniqueQuadrupletsCount(n: 5) == 10
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}
// Example usage:
print(uniquePairsCount(n: 4)) // Output: 6
print(uniqueTripletsCount(n: 5)) // Output: 10
print(uniqueQuadrupletsCount(n: 4)) // Output: 4
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
// Return a number of unique triplets of numbers in the range from 1 to n.
// uniqueTripletsCount(n: 4) == 4
// uniqueTripletsCount(n: 5) == 10
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
// Return a number of unique quadruplets of numbers in the range from 1 to n.
// uniqueQuadrupletsCount(n: 4) == 4
// uniqueQuadrupletsCount(n: 5) == 10
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}
// Example usage:
print(uniquePairsCount(n: 4)) // Output: 6
print(uniqueTripletsCount(n: 5)) // Output: 10
print(uniqueQuadrupletsCount(n: 4)) // Output: 4
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return (n * (n - 1)) / 2
}
// Return a number of unique triplets of numbers in the range from 1 to n.
// uniqueTripletsCount(n: 4) == 4
// uniqueTripletsCount(n: 5) == 10
func uniqueTripletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2)) / 6
}
// Return a number of unique quadruplets of numbers in the range from 1 to n.
// uniqueQuadrupletsCount(n: 4) == 4
// uniqueQuadrupletsCount(n: 5) == 10
func uniqueQuadrupletsCount(n: Int) -> Int {
return (n * (n - 1) * (n - 2) * (n - 3)) / 24
}
// Example usage:
print(uniquePairsCount(n: 4)) // Output: 6
print(uniqueTripletsCount(n: 5)) // Output: 10
print(uniqueQuadrupletsCount(n: 4)) // Output: 4
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func primeFactors(a: Int) -> [Int] {
var a = a
var factors = [Int]()
var i = 2
while i * i <= a {
if a % i != 0 {
i += 1
} else {
a /= i
factors.append(i)
}
}
if a > 1 {
factors.append(a)
}
return factors
}
func divisors(a: Int) -> [Int] {
var divisors = [1]
let factors = primeFactors(a: a)
var currentDivisor = 1
for factor in factors {
currentDivisor *= factor
divisors.append(currentDivisor)
for i in 2..<factor {
currentDivisor *= i
divisors.append(currentDivisor)
}
}
divisors.append(a)
return divisors.sorted()
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a list of prime factors of a given integer a
// primeFactors(a: 12) == [2, 2, 3]
// primeFactors(a: 29) == [29]
func primeFactors(a: Int) -> [Int] {
var a = a
var factors = [Int]()
var i = 2
while i * i <= a {
if a % i != 0 {
i += 1
} else {
a /= i
factors.append(i)
}
}
if a > 1 {
factors.append(a)
}
return factors
}
// Return a list of divisors of a given integer a
// divisors(a: 12) == [1, 2, 3, 4, 6, 12]
// divisors(a: 29) == [1, 29]
func divisors(a: Int) -> [Int] {
var divisors = [1]
let factors = primeFactors(a: a)
var currentDivisor = 1
for factor in factors {
currentDivisor *= factor
divisors.append(currentDivisor)
for i in 2..<factor {
currentDivisor *= i
divisors.append(currentDivisor)
}
}
divisors.append(a)
return divisors.sorted()
}
// Example usage:
print(greatestCommonDivisor(a: 12, b: 18)) // Output: 6
print(leastCommonMultiple(a: 12, b: 18)) // Output: 36
print(primeFactors(a: 100)) // Output: [2, 2, 5, 5]
print(divisors(a: 100)) // Output: [1, 2, 4, 5, 10, 20, 25, 50, 100]
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return leastCommonMultiple(a: n, b: n - 1) / 2
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return leastCommonMultiple(a: n, b: n - 1) / 2
}
// Example usage:
print(uniquePairsCount(n: 4)) // Output: 6
print(uniquePairsCount(n: 5)) // Output: 10
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func primeFactors(n: Int) -> [Int] {
var n = n
var factors = [Int]()
var i = 2
while i * i <= n {
while n % i == 0 {
factors.append(i)
n /= i
}
i += 1
}
if n > 1 {
factors.append(n)
}
return factors
}
func divisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1...n {
if n % i == 0 {
divisors.append(i)
}
}
return divisors
}
func properDivisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1..<n {
if n % i == 0 {
divisors.append(i)
}
}
return divisors
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a list of prime factors of an integer n
// primeFactors(n: 12) == [2, 2, 3]
func primeFactors(n: Int) -> [Int] {
var n = n
var factors = [Int]()
var i = 2
while i * i <= n {
while n % i == 0 {
factors.append(i)
n /= i
}
i += 1
}
if n > 1 {
factors.append(n)
}
return factors
}
// Return a list of divisors of an integer n
// divisors(n: 12) == [1, 2, 3, 4, 6, 12]
func divisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1...n {
if n % i == 0 {
divisors.append(i)
}
}
return divisors
}
// Return a list of proper divisors of an integer n
// properDivisors(n: 12) == [1, 2, 3, 4, 6]
func properDivisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1..<n {
if n % i == 0 {
divisors.append(i)
}
}
return divisors
}
// Return a list of proper divisors of an integer n
// properDivisors(n: 12) == [1, 2, 3, 4, 6]
func properDivisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1..<n {
if n % i == 0 {
divisors.append(i)
}
}
return divisors
}
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return leastCommonMultiple(a: n, b: n - 1) / 2
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return leastCommonMultiple(a: n, b: n - 1) / 2
}
// Example usage:
print(uniquePairsCount(n: 4)) // Output: 6
print(uniquePairsCount(n: 5)) // Output: 10
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func divisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1...Int(sqrt(Double(n))) {
if n % i == 0 {
divisors.append(i)
if i != n / i {
divisors.append(n / i)
}
}
}
return divisors.sorted()
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a sorted array of all divisors of an integer n
// divisors(n: 12) == [1, 2, 3, 4, 6, 12]
// divisors(n: 28) == [1, 2, 4, 7, 14, 28]
func divisors(n: Int) -> [Int] {
var divisors = [Int]()
for i in 1...Int(sqrt(Double(n))) {
if n % i == 0 {
divisors.append(i)
if i != n / i {
divisors.append(n / i)
}
}
}
return divisors.sorted()
}
// Example usage:
print(greatestCommonDivisor(a: 3, b: 5)) // Output: 1
print(greatestCommonDivisor(a: 25, b: 15)) // Output: 5
print(leastCommonMultiple(a: 3, b: 5)) // Output: 15
print(leastCommonMultiple(a: 25, b: 15)) // Output: 75
print(divisors(n: 12)) // Output: [1, 2, 3, 4, 6, 12]
print(divisors(n: 28)) // Output: [1, 2, 4, 7, 14, 28]
```func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
func uniquePairsCount(n: Int) -> Int {
return n * (n - 1) / 2
}
func uniqueTripletsCount(n: Int) -> Int {
return n * (n - 1) * (n - 2) / 6
}
func uniqueQuadrupletsCount(n: Int) -> Int {
return n * (n - 1) * (n - 2) * (n - 3) / 24
}```swift
// Return a greatest common divisor of two integers a and b
// greatestCommonDivisor(a: 3, b: 5) == 1
// greatestCommonDivisor(a: 25, b: 15) == 5
func greatestCommonDivisor(a: Int, b: Int) -> Int {
var a = a
var b = b
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Return a least common multiple of two integers a and b
// leastCommonMultiple(a: 3, b: 5) == 15
// leastCommonMultiple(a: 25, b: 15) == 75
func leastCommonMultiple(a: Int, b: Int) -> Int {
return a * b / greatestCommonDivisor(a: a, b: b)
}
// Return a number of unique pairs of numbers in the range from 1 to n.
// uniquePairsCount(n: 4) == 6
// uniquePairsCount(n: 5) == 10
func uniquePairsCount(n: Int) -> Int {
return n * (n - 1) / 2
}
// Return a number of unique triplets of numbers in the range from 1 to n.
// uniqueTripletsCount(n: 4) == 4
// uniqueTripletsCount(n: 5) == 10
func uniqueTripletsCount(n: Int) -> Int {
return n * (n - 1) * (n - 2) / 6
}
// Return a number of unique quadruplets of numbers in the range from 1 to n.
// uniqueQuadrupletsCount(n: 4) == 4
// uniqueQuadrupletsCount(n: 5) == 10
func uniqueQuadrupletsCount(n: Int) -> Int {
return n * (n - 1) * (n - 2) * (n - 3) / 24
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[i...j]))
}
}
return substrings
}
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
func allPalindromesWithMinLength(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) && substring.count >= 3 {
palindromes.append(substring)
}
}
}
return palindromes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
// Return array of all substrings of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[i...j]))
}
}
return substrings
}
// Return array of all substrings of the input string that are palindromes
// allPalindromes(string: "abc") == []
// allPalindromes(string: "abba") == ["a", "b", "ab", "ba", "b", "bb", "b", "a", "abba"]
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
// Return array of all substrings of the input string that are palindromes and have at least 3 characters
// allPalindromesWithMinLength(string: "abc") == []
// allPalindromesWithMinLength(string: "abba") == ["abba"]
func allPalindromesWithMinLength(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) && substring.count >= 3 {
palindromes.append(substring)
}
}
}
return palindromes
}
```substrings.append(String(string[i...j])) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.let substring = String(string[i...j]) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.let substring = String(string[i...j]) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["a", "b", "c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings of the input string that are palindromes
// allPalindromes(string: "abc") == []
// allPalindromes(string: "abba") == ["a", "b", "ab", "ba", "b", "bb", "b", "ba", "ab", "b", "a"]
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}
// Example usage:
let exampleString = "abc"
let prefixes = allPrefixes(string: exampleString)
print(prefixes) // Output: ["a", "ab", "abc"]
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.indexfunc allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
let prefix = String(string.prefix(i + 1))
prefixes.append(prefix)
}
return prefixes
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[i...j]))
}
}
return substrings
}
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
func allAnagrams(string: String) -> [String] {
var anagrams = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring.sorted() == string.sorted() {
anagrams.append(substring)
}
}
}
return anagrams
}
func allAnagramsAndPalindromes(string: String) -> [String] {
var anagramsAndPalindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring.sorted() == string.sorted() && substring == String(substring.reversed()) {
anagramsAndPalindromes.append(substring)
}
}
}
return anagramsAndPalindromes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string.prefix(i + 1)))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string.suffix(string.count - i)))
}
return suffixes
}
// Return array of all substrings of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[i...j]))
}
}
return substrings
}
// Return array of all substrings of the input string that are palindromes
// allPalindromes(string: "abc") == []
// allPalindromes(string: "abba") == ["a", "b", "b", "a"]
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
// Return array of all substrings of the input string that are anagrams of the input string
// allAnagrams(string: "abc") == []
// allAnagrams(string: "abba") == ["a", "b", "b", "a"]
func allAnagrams(string: String) -> [String] {
var anagrams = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring.sorted() == string.sorted() {
anagrams.append(substring)
}
}
}
return anagrams
}
// Return array of all substrings of the input string that are anagrams of the input string and palindromes
// allAnagramsAndPalindromes(string: "abc") == []
// allAnagramsAndPalindromes(string: "abba") == ["a", "b", "b", "a"]
func allAnagramsAndPalindromes(string: String) -> [String] {
var anagramsAndPalindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[i...j])
if substring.sorted() == string.sorted() && substring == String(substring.reversed()) {
anagramsAndPalindromes.append(substring)
}
}
}
return anagramsAndPalindromes
}
```substrings.append(String(string[i...j])) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.let substring = String(string[i...j]) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.let substring = String(string[i...j]) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.let substring = String(string[i...j]) // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string[..<string.index(string.startIndex, offsetBy: i + 1)]))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string[string.index(string.startIndex, offsetBy: i)...]))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
func allAnagrams(string: String) -> [String] {
var anagrams = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring.sorted() == string.sorted() {
anagrams.append(substring)
}
}
}
return anagrams
}
func allAnagramsAndPalindromes(string: String) -> [String] {
var anagramsAndPalindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring.sorted() == string.sorted() && substring == String(substring.reversed()) {
anagramsAndPalindromes.append(substring)
}
}
}
return anagramsAndPalindromes
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for i in 0..<string.count {
prefixes.append(String(string[..<string.index(string.startIndex, offsetBy: i + 1)]))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for i in 0..<string.count {
suffixes.append(String(string[string.index(string.startIndex, offsetBy: i)...]))
}
return suffixes
}
// Return array of all substrings of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for i in 0..<string.count {
for j in i..<string.count {
substrings.append(String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)]))
}
}
return substrings
}
// Return array of all substrings of the input string that are palindromes
// allPalindromes(string: "abc") == []
// allPalindromes(string: "abba") == ["a", "b", "b", "a"]
func allPalindromes(string: String) -> [String] {
var palindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring == String(substring.reversed()) {
palindromes.append(substring)
}
}
}
return palindromes
}
// Return array of all substrings of the input string that are anagrams of the input string
// allAnagrams(string: "abc") == []
// allAnagrams(string: "abba") == ["a", "b", "b", "a"]
func allAnagrams(string: String) -> [String] {
var anagrams = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring.sorted() == string.sorted() {
anagrams.append(substring)
}
}
}
return anagrams
}
// Return array of all substrings of the input string that are anagrams of the input string and palindromes
// allAnagramsAndPalindromes(string: "abc") == []
// allAnagramsAndPalindromes(string: "abba") == ["a", "b", "b", "a"]
func allAnagramsAndPalindromes(string: String) -> [String] {
var anagramsAndPalindromes = [String]()
for i in 0..<string.count {
for j in i..<string.count {
let substring = String(string[string.index(string.startIndex, offsetBy: i)...string.index(string.startIndex, offsetBy: j)])
if substring.sorted() == string.sorted() && substring == String(substring.reversed()) {
anagramsAndPalindromes.append(substring)
}
}
}
return anagramsAndPalindromes
}
```func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for index in 0..<string.count {
prefixes.append(String(string.prefix(index + 1)))
}
return prefixes
}
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for index in 0..<string.count {
suffixes.append(String(string.suffix(string.count - index)))
}
return suffixes
}
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}```swift
// Return array of all prefixes from shortest to longest of the input string
// allPrefixes(string: "abc") == ["a", "ab", "abc"]
func allPrefixes(string: String) -> [String] {
var prefixes = [String]()
for index in 0..<string.count {
prefixes.append(String(string.prefix(index + 1)))
}
return prefixes
}
// Return array of all suffixes from shortest to longest of the input string
// allSuffixes(string: "abc") == ["c", "bc", "abc"]
func allSuffixes(string: String) -> [String] {
var suffixes = [String]()
for index in 0..<string.count {
suffixes.append(String(string.suffix(string.count - index)))
}
return suffixes
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {
for suffix in allSuffixes(string: string) {
if prefix.count <= suffix.count {
substrings.append(prefix + suffix.suffix(suffix.count - prefix.count))
}
}
}
return substrings
}
// Return array of all substrings from shortest to longest of the input string
// allSubstrings(string: "abc") == ["a", "ab", "abc", "b", "bc", "c"]
func allSubstrings(string: String) -> [String] {
var substrings = [String]()
for prefix in allPrefixes(string: string) {func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Example usage:
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
```func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}
// Main function to test the generated function
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Main function to test the generated function
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}
// Example usage:
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Main function to test the generated function
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map { String($0) }.joined(separator: " ")
}
// Main function to test the generated function
func main() {
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
func main() {
assert(stringSequence(n: 0) == "0", "Test case for n=0 failed")
assert(stringSequence(n: 5) == "0 1 2 3 4 5", "Test case for n=5 failed")
print("All test cases passed!")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Main function to test the generated function
func main() {
assert(stringSequence(n: 0) == "0", "Test case for n=0 failed")
assert(stringSequence(n: 5) == "0 1 2 3 4 5", "Test case for n=5 failed")
print("All test cases passed!")
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Example usage:
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
func main() {
assert(stringSequence(n: 0) == "0", "Test case for n=0 failed")
assert(stringSequence(n: 5) == "0 1 2 3 4 5", "Test case for n=5 failed")
print("All test cases passed!")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Main function to test the generated function
func main() {
assert(stringSequence(n: 0) == "0", "Test case for n=0 failed")
assert(stringSequence(n: 5) == "0 1 2 3 4 5", "Test case for n=5 failed")
print("All test cases passed!")
}
main()
```func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}```swift
// Return a string containing space-delimited numbers starting from 0 upto n inclusive.
// stringSequence(n: 0) == "0"
// stringSequence(n: 5) == "0 1 2 3 4 5"
func stringSequence(n: Int) -> String {
return (0...n).map(String.init).joined(separator: " ")
}
// Example usage:
print(stringSequence(n: 0)) // Output: "0"
print(stringSequence(n: 5)) // Output: "0 1 2 3 4 5"
```func countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}
``` // XCTAssertTrue failedfunc countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}
``` // XCTAssertTrue failedfunc countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}
``` // XCTAssertTrue failedfunc countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}
// Example usage:
print(countDistinctCharacters(string: "xyzXYZ")) // Output: 3
print(countDistinctCharacters(string: "Jerry")) // Output: 4
``` // XCTAssertTrue failedfunc countDistinctCharacters(string: String) -> Int {
let lowercasedString = string.lowercased()
var distinctCharacters = Set<Character>()
for character in lowercasedString {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
let lowercasedString = string.lowercased()
var distinctCharacters = Set<Character>()
for character in lowercasedString {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}
// Example usage:
print(countDistinctCharacters(string: "xyzXYZ")) // Output: 3
print(countDistinctCharacters(string: "Jerry")) // Output: 4
```func countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Use a Set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over the characters in the string and add them to the Set
for character in lowercasedString {
uniqueCharacters.insert(character)
}
// Return the number of unique characters in the Set
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Use a Set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over the characters in the string and add them to the Set
for character in lowercasedString {
uniqueCharacters.insert(character)
}
// Return the number of unique characters in the Set
return uniqueCharacters.count
}
// Example usage:
print(countDistinctCharacters(string: "xyzXYZ")) // Output: 3
print(countDistinctCharacters(string: "Jerry")) // Output: 4
```func countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var distinctCharacters = Set<Character>()
for character in string {
distinctCharacters.insert(character)
}
return distinctCharacters.count
}
``` // XCTAssertTrue failedfunc countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Use a Set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over the characters in the string and add them to the Set
for character in lowercasedString {
uniqueCharacters.insert(character)
}
// The number of unique characters is the count of the Set
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Use a Set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over the characters in the string and add them to the Set
for character in lowercasedString {
uniqueCharacters.insert(character)
}
// The number of unique characters is the count of the Set
return uniqueCharacters.count
}
// Example usage:
print(countDistinctCharacters(string: "xyzXYZ")) // Output: 3
print(countDistinctCharacters(string: "Jerry")) // Output: 4
```func countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Create a set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over each character in the string
for character in lowercasedString {
// Add the character to the set of unique characters
uniqueCharacters.insert(character)
}
// Return the number of unique characters
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
// Convert the string to lowercase to make the count case-insensitive
let lowercasedString = string.lowercased()
// Create a set to store unique characters
var uniqueCharacters = Set<Character>()
// Iterate over each character in the string
for character in lowercasedString {
// Add the character to the set of unique characters
uniqueCharacters.insert(character)
}
// Return the number of unique characters
return uniqueCharacters.count
}
// Example usage:
print(countDistinctCharacters(string: "xyzXYZ")) // Output: 3
print(countDistinctCharacters(string: "Jerry")) // Output: 4
```func countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}```swift
// Given a string, find out how many distinct characters (regardless of case) does it consist of
// countDistinctCharacters(string: "xyzXYZ") == 3
// countDistinctCharacters(string: "Jerry") == 4
func countDistinctCharacters(string: String) -> Int {
var uniqueCharacters = Set<Character>()
for character in string {
uniqueCharacters.insert(character)
}
return uniqueCharacters.count
}
``` // XCTAssertTrue failedfunc parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the beats array
if let beat = noteToBeat[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the beats array
if let beat = noteToBeat[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
```let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// Check if the character is a note and add its beat value to the array
if let beatValue = noteToBeat[character] {
beats.append(beatValue)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// Check if the character is a note and add its beat value to the array
if let beatValue = noteToBeat[character] {
beats.append(beatValue)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicNotes = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicNotes)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note, append its corresponding beat value to the beats array
if let beat = noteToBeat[character] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note, append its corresponding beat value to the beats array
if let beat = noteToBeat[character] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicNotes = "o o| .| o| o| .| .| .| .| o o"
let beats = parseMusic(musicString: musicNotes)
print(beats) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteBeatMapping: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beatValues: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note, append its corresponding beat value to the array
if let beatValue = noteBeatMapping[character] {
beatValues.append(beatValue)
}
}
// Return the array of beat values
return beatValues
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping of notes to their corresponding beat values
let noteBeatMapping: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beatValues: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note, append its corresponding beat value to the array
if let beatValue = noteBeatMapping[character] {
beatValues.append(beatValue)
}
}
// Return the array of beat values
return beatValues
}
// Example usage:
let musicNotes = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicNotes)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteBeatMapping: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteBeatMapping: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append the corresponding beat value to the array
if let beat = noteToBeat[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append the corresponding beat value to the array
if let beat = noteToBeat[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicNotes = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicNotes)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteToBeat: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeats: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the beats array
if let beat = noteBeats[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeats: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// If the character is a space, skip it
if char == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the beats array
if let beat = noteBeats[char] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicString = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicString)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteBeats: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteBeats: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note symbol, append the corresponding beat value to the beats array
if let beat = noteBeatMap[character] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note symbol, append the corresponding beat value to the beats array
if let beat = noteBeatMap[character] {
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicString = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicString)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
// Define the mapping of note symbols to their corresponding beat values
let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// Check if the character is a valid note symbol
if let beat = noteBeatMap[char] {
// If it is, append the corresponding beat value to the beats array
beats.append(beat)
}
}
// Return the array of beat values
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping of note symbols to their corresponding beat values
let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1]
// Initialize an empty array to store the beat values
var beats: [Int] = []
// Iterate over each character in the input string
for char in musicString {
// Check if the character is a valid note symbol
if let beat = noteBeatMap[char] {
// If it is, append the corresponding beat value to the beats array
beats.append(beat)
}
}
// Return the array of beat values
return beats
}
// Example usage:
let musicString = "o o| .| o| o| .| .| .| .| o o"
let beats = parseMusic(musicString: musicString)
print(beats) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
```let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'let noteBeatMap: [Character: Int] = ["o": 4, "o|": 2, ".|": 1] // cannot convert value of type 'String' to expected dictionary key type 'Character'func parseMusic(musicString: String) -> [Int] {
let notes = musicString.components(separatedBy: " ")
var beats = [Int]()
for note in notes {
switch note {
case "o":
beats.append(4)
case "o|":
beats.append(2)
case ".|":
beats.append(1)
default:
break
}
}
return beats
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
let notes = musicString.components(separatedBy: " ")
var beats = [Int]()
for note in notes {
switch note {
case "o":
beats.append(4)
case "o|":
beats.append(2)
case ".|":
beats.append(1)
default:
break
}
}
return beats
}
```func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeatMapping: [Character: Int] = [
"o": 4,
"|": 2,
".": 1
]
// Initialize an empty array to store the beat values
var beatValues: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the array
if let beatValue = noteBeatMapping[character] {
beatValues.append(beatValue)
}
}
// Return the array of beat values
return beatValues
}```swift
// Input to this function is a string representing musical notes in a special ASCII format.
// Your task is to parse this string and return array of integers corresponding to how many beats does each
// not last.
// Here is a legend:
// 'o' - whole note, lasts four beats
// 'o|' - half note, lasts two beats
// '.|' - quater note, lasts one beat
// parseMusic(musicString: "o o| .| o| o| .| .| .| .| o o") == [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
func parseMusic(musicString: String) -> [Int] {
// Define the mapping from note symbols to their corresponding beat values
let noteBeatMapping: [Character: Int] = [
"o": 4,
"|": 2,
".": 1
]
// Initialize an empty array to store the beat values
var beatValues: [Int] = []
// Iterate over each character in the input string
for character in musicString {
// If the character is a space, skip it
if character == " " {
continue
}
// If the character is a note symbol, append its corresponding beat value to the array
if let beatValue = noteBeatMapping[character] {
beatValues.append(beatValue)
}
}
// Return the array of beat values
return beatValues
}
// Example usage:
let musicString = "o o| .| o| o| .| .| .| .| o o"
let beatValues = parseMusic(musicString: musicString)
print(beatValues) // Output: [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while index != string.endIndex {
if let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
} else {
break
}
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while index != string.endIndex {
if let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
} else {
break
}
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: .literal, range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}```swift
// Find how many times a given substring can be found in the original string. Count overlaping cases.
// howManyTimes(string: "", substring: "a") == 0
// howManyTimes(string: "aaa", substring: "a") == 3
// howManyTimes(string: "aaaa", substring: "aa") == 3
func howManyTimes(string: String, substring: String) -> Int {
var count = 0
var index = string.startIndex
while let range = string.range(of: substring, options: [], range: index..<string.endIndex) {
count += 1
index = range.upperBound
}
return count
}
``` // XCTAssertTrue failedfunc sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberDict = Dictionary(uniqueKeysWithValues: zip(numberWords, numberValues))
let sortedNumbers = numbers.split(separator: " ").sorted { numberDict[$0]! < numberDict[$1]! }
return sortedNumbers.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberDict = Dictionary(uniqueKeysWithValues: zip(numberWords, numberValues))
let sortedNumbers = numbers.split(separator: " ").sorted { numberDict[$0]! < numberDict[$1]! }
return sortedNumbers.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```let sortedNumbers = numbers.split(separator: " ").sorted { numberDict[$0]! < numberDict[$1]! } // instance method 'sorted(using:)' requires the types 'ArraySlice<String.Element>' (aka 'ArraySlice<Character>') and '((String, String) -> Bool).Compared' be equivalentlet sortedNumbers = numbers.split(separator: " ").sorted { numberDict[$0]! < numberDict[$1]! } // type '(String, String) -> Bool' cannot conform to 'SortComparator'func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberDict = Dictionary(uniqueKeysWithValues: zip(numberWords, numberValues))
let sortedNumbers = numbers.split(separator: " ")
.map { String($0) }
.sorted { numberDict[$0]! < numberDict[$1]! }
.joined(separator: " ")
return sortedNumbers
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberDict = Dictionary(uniqueKeysWithValues: zip(numberWords, numberValues))
let sortedNumbers = numbers.split(separator: " ")
.map { String($0) }
.sorted { numberDict[$0]! < numberDict[$1]! }
.joined(separator: " ")
return sortedNumbers
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberStrings = numbers.components(separatedBy: " ")
var numberDict = [String: Int]()
for (index, numberWord) in numberStrings.enumerated() {
if let numberValue = numberValues[numberWords.firstIndex(of: numberWord)!] {
numberDict[numberWord] = numberValue
}
}
let sortedNumberStrings = numberDict.sorted { $0.value < $1.value }.map { $0.key }
return sortedNumberStrings.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberStrings = numbers.components(separatedBy: " ")
var numberDict = [String: Int]()
for (index, numberWord) in numberStrings.enumerated() {
if let numberValue = numberValues[numberWords.firstIndex(of: numberWord)!] {
numberDict[numberWord] = numberValue
}
}
let sortedNumberStrings = numberDict.sorted { $0.value < $1.value }.map { $0.key }
return sortedNumberStrings.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```for (index, numberWord) in numberStrings.enumerated() { // immutable value 'index' was never used; consider replacing with '_' or removing itif let numberValue = numberValues[numberWords.firstIndex(of: numberWord)!] { // initializer for conditional binding must have Optional type, not 'Int'func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToNumber: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToNumber[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToNumber[$0]! < wordToNumber[$1]! }
// Join the sorted words back into a single string
let sortedNumbers = sortedWords.joined(separator: " ")
return sortedNumbers
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToNumber: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToNumber[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToNumber[$0]! < wordToNumber[$1]! }
// Join the sorted words back into a single string
let sortedNumbers = sortedWords.joined(separator: " ")
return sortedNumbers
}
// Example usage:
let input = "three one five"
let output = sortNumbers(numbers: input)
print(output) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Convert the input string to an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Convert the input string to an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
let sortedNumbers = sortedWords.joined(separator: " ")
return sortedNumbers
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
let sortedNumbers = sortedWords.joined(separator: " ")
return sortedNumbers
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (value, word) in zip(numberValues, numberWords) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// Split the input string into an array of words
let words = numbers.components(separatedBy: " ")
// Create a dictionary mapping each word to its corresponding number value
var wordToValue: [String: Int] = [:]
for (value, word) in zip(numberValues, numberWords) {
wordToValue[word] = value
}
// Sort the words based on their corresponding number values
let sortedWords = words.sorted { wordToValue[$0]! < wordToValue[$1]! }
// Join the sorted words back into a single string
return sortedWords.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberStrings = numbers.components(separatedBy: " ")
var numberDict: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
numberDict[word] = value
}
let sortedNumbers = numberStrings.sorted { numberDict[$0]! < numberDict[$1]! }
return sortedNumbers.joined(separator: " ")
}```swift
// Input is a space-delimited string of numberals from 'zero' to 'nine'.
// Valid choices are 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight' and 'nine'.
// Return the string with numbers sorted from smallest to largest
// sortNumbers(numbers: "three one five") == "one three five"
func sortNumbers(numbers: String) -> String {
let numberWords = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
let numberValues = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
let numberStrings = numbers.components(separatedBy: " ")
var numberDict: [String: Int] = [:]
for (word, value) in zip(numberWords, numberValues) {
numberDict[word] = value
}
let sortedNumbers = numberStrings.sorted { numberDict[$0]! < numberDict[$1]! }
return sortedNumbers.joined(separator: " ")
}
// Example usage:
let sortedNumbers = sortNumbers(numbers: "three one five")
print(sortedNumbers) // Output: "one three five"
```func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var minDistance: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let distance = abs(numbers[i] - numbers[j])
if distance < minDistance {
minDistance = distance
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var minDistance: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let distance = abs(numbers[i] - numbers[j])
if distance < minDistance {
minDistance = distance
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let exampleArray = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: exampleArray)
print("The closest pair is: (\(closestPair.0), \(closestPair.1))")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let numbers = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: numbers)
print("The closest pair is: \(closestPair)")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0, 0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0, 0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let numbers = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: numbers)
print("The closest pair is: \(closestPair)")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let exampleArray = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: exampleArray)
print("The closest pair is: (\(closestPair.0), \(closestPair.1))")
// Output should be: The closest pair is: (2.0, 2.2)
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (0.0, 0.0)
var smallestDifference: Double = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let difference = abs(numbers[i] - numbers[j])
if difference < smallestDifference {
smallestDifference = difference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let numbers = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: numbers)
print("The closest pair is: \(closestPair)")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (numbers[0], numbers[1])
var smallestDifference: Double = abs(numbers[0] - numbers[1])
for i in 0..<numbers.count {
for j in (i + 1)..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
closestPair = (numbers[i], numbers[j])
smallestDifference = currentDifference
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair: (Double, Double) = (numbers[0], numbers[1])
var smallestDifference: Double = abs(numbers[0] - numbers[1])
for i in 0..<numbers.count {
for j in (i + 1)..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
closestPair = (numbers[i], numbers[j])
smallestDifference = currentDifference
}
}
}
return closestPair
}
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = Double.infinity
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let exampleArray = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: exampleArray)
print("The closest pair is: (\(closestPair.0), \(closestPair.1))")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
guard numbers.count > 1 else {
fatalError("Array must have at least two elements.")
}
var closestPair = (numbers[0], numbers[1])
var smallestDifference = abs(closestPair.0 - closestPair.1)
for i in 0..<numbers.count {
for j in (i + 1)..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
closestPair = (numbers[i], numbers[j])
smallestDifference = currentDifference
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
guard numbers.count > 1 else {
fatalError("Array must have at least two elements.")
}
var closestPair = (numbers[0], numbers[1])
var smallestDifference = abs(closestPair.0 - closestPair.1)
for i in 0..<numbers.count {
for j in (i + 1)..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
closestPair = (numbers[i], numbers[j])
smallestDifference = currentDifference
}
}
}
return closestPair
}
// Example usage:
let exampleArray = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: exampleArray)
print("Closest pair: \(closestPair)")
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = Double.infinity
for i in 0..<numbers.count - 1 {
for j in i + 1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = Double.infinity
for i in 0..<numbers.count - 1 {
for j in i + 1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let numbers = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: numbers)
print("The closest pair is: (\(closestPair.0), \(closestPair.1))")
// Output should be: The closest pair is: (2.0, 2.2)
``` // XCTAssertTrue failedfunc findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = abs(closestPair.0 - closestPair.1)
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}```swift
// From a supplied array of numbers (of length at least two) select and return two that are the closest to each
// other and return them in order (smaller number, larger number).
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]) == (2.0, 2.2)
// findClosestElements(numbers: [1.0, 2.0, 3.0, 4.0, 5.0, 2.0]) == (2.0, 2.0)
func findClosestElements(numbers: [Double]) -> (Double, Double) {
var closestPair = (numbers[0], numbers[1])
var smallestDifference = abs(closestPair.0 - closestPair.1)
for i in 0..<numbers.count {
for j in i+1..<numbers.count {
let currentDifference = abs(numbers[i] - numbers[j])
if currentDifference < smallestDifference {
smallestDifference = currentDifference
closestPair = (numbers[i], numbers[j])
}
}
}
return closestPair
}
// Example usage:
let exampleArray = [1.0, 2.0, 3.0, 4.0, 5.0, 2.2]
let closestPair = findClosestElements(numbers: exampleArray)
print("The closest pair is: \(closestPair)")
``` // XCTAssertTrue failedfunc rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { ($0 - minValue) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValuefunc rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minVal = numbers.min()!
let maxVal = numbers.max()!
let range = maxVal - minVal
return numbers.map { ($0 - minVal) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minVal = numbers.min()!
let maxVal = numbers.max()!
let range = maxVal - minVal
return numbers.map { ($0 - minVal) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minVal = numbers.min()!
let maxVal = numbers.max()!
let range = maxVal - minVal
return numbers.map { ($0 - minVal) / range }
}
// Example usage:
let originalNumbers = [1.0, 2.0, 3.0, 4.0, 5.0]
let rescaledNumbers = rescaleToUnit(numbers: originalNumbers)
print("Original numbers: \(originalNumbers)")
print("Rescaled numbers: \(rescaledNumbers)")
```func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
(number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let minValue = numbers.min()!
let maxValue = numbers.max()!
let range = maxValue - minValue
return numbers.map { (number) -> Double in
return (number - minValue) / range
}
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}```swift
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
// Given array of numbers (of at least two elements), apply a linear transform to that array,
// such that the smallest number will become 0 and the largest will become 1
// rescaleToUnit(numbers: [1.0, 2.0, 3.0, 4.0, 5.0]) == [0.0, 0.25, 0.5, 0.75, 1.0]
func rescaleToUnit(numbers: [Double]) -> [Double] {
let min = numbers.min()!
let max = numbers.max()!
let range = max - min
return numbers.map { ($0 - min) / range }
}
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Filter given array of any swiftthon values only for strings
// filterStrings(values: ["a", 3.14, 5]) == ["a"]
// filterStrings(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == ["abc"]
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
// Filter given array of any swiftthon values only for dictionaries
// filterDictionaries(values: ["a", 3.14, 5]) == []
// filterDictionaries(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[:] as [AnyHashable : AnyHashable]]
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
// Filter given array of any swiftthon values only for arrays
// filterArrays(values: ["a", 3.14, 5]) == []
// filterArrays(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[] as [AnyHashable]]
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}
// Example usage:
let mixedValues = ["a", 3.14, 5, "b", 2.71, 3, "c", 1.61, 4]
let filteredIntegers = filterIntegers(values: mixedValues)
let filteredStrings = filterStrings(values: mixedValues)
let filteredDictionaries = filterDictionaries(values: mixedValues)
let filteredArrays = filterArrays(values: mixedValues)
print("Filtered Integers: \(filteredIntegers)") // Output: Filtered Integers: [5, 3, 2, 1, 4]
print("Filtered Strings: \(filteredStrings)") // Output: Filtered Strings: ["a", "b", "c"]
print("Filtered Dictionaries: \(filteredDictionaries)") // Output: Filtered Dictionaries: []
print("Filtered Arrays: \(filteredArrays)") // Output: Filtered Arrays: []
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Unit tests for the filterIntegers function
assert(filterIntegers(values: ["a", 3.14, 5]) == [5], "Test 1 failed")
assert(filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3], "Test 2 failed")
// Example usage:
let mixedArray = ["a", 3.14, 5, 10.5, "b", 20]
let filteredIntegers = filterIntegers(values: mixedArray)
print(filteredIntegers) // Output: [5, 20]
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Example usage:
let exampleArray = ["a", 3.14, 5, 7.0, "b", 9]
let filteredIntegers = filterIntegers(values: exampleArray)
print(filteredIntegers) // Output: [5, 9]
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Filter given array of any swiftthon values only for strings
// filterStrings(values: ["a", 3.14, 5]) == ["a"]
// filterStrings(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == ["abc"]
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
// Filter given array of any swiftthon values only for dictionaries
// filterDictionaries(values: ["a", 3.14, 5]) == []
// filterDictionaries(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[:] as [AnyHashable : AnyHashable]]
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
// Filter given array of any swiftthon values only for arrays
// filterArrays(values: ["a", 3.14, 5]) == []
// filterArrays(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[] as [AnyHashable]]
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}
// Example usage:
let mixedValues = ["a", 3.14, 5, "b", 2.71, 10]
let integers = filterIntegers(values: mixedValues)
let strings = filterStrings(values: mixedValues)
let dictionaries = filterDictionaries(values: mixedValues)
let arrays = filterArrays(values: mixedValues)
print("Integers:", integers) // Output: Integers: [5, 10]
print("Strings:", strings) // Output: Strings: ["a", "b"]
print("Dictionaries:", dictionaries) // Output: Dictionaries: []
print("Arrays:", arrays) // Output: Arrays: []
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Filter given array of any swiftthon values only for strings
// filterStrings(values: ["a", 3.14, 5]) == ["a"]
// filterStrings(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == ["abc"]
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
// Filter given array of any swiftthon values only for dictionaries
// filterDictionaries(values: ["a", 3.14, 5]) == []
// filterDictionaries(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[:] as [AnyHashable : AnyHashable]]
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
// Filter given array of any swiftthon values only for arrays
// filterArrays(values: ["a", 3.14, 5]) == []
// filterArrays(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[] as [AnyHashable]]
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}
// Example usage:
let mixedArray = ["a", 3.14, 5, "b", 2.71, 10]
let integers = filterIntegers(values: mixedArray)
let strings = filterStrings(values: mixedArray)
let dictionaries = filterDictionaries(values: mixedArray)
let arrays = filterArrays(values: mixedArray)
print("Integers:", integers) // Output: Integers: [5, 10]
print("Strings:", strings) // Output: Strings: ["a", "b"]
print("Dictionaries:", dictionaries) // Output: Dictionaries: []
print("Arrays:", arrays) // Output: Arrays: []
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Example usage:
let exampleArray = ["a", 3.14, 5, 7.0, "b", 9]
let filteredIntegers = filterIntegers(values: exampleArray)
print(filteredIntegers) // Output: [5, 9]
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Filter given array of any swiftthon values only for strings
// filterStrings(values: ["a", 3.14, 5]) == ["a"]
// filterStrings(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == ["abc"]
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
// Filter given array of any swiftthon values only for dictionaries
// filterDictionaries(values: ["a", 3.14, 5]) == []
// filterDictionaries(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[:] as [AnyHashable : AnyHashable]]
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
// Filter given array of any swiftthon values only for arrays
// filterArrays(values: ["a", 3.14, 5]) == []
// filterArrays(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[] as [AnyHashable]]
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}
// Example usage:
let mixedValues = ["a", 3.14, 5, "b", 2.71, 10]
let integers = filterIntegers(values: mixedValues)
let strings = filterStrings(values: mixedValues)
let dictionaries = filterDictionaries(values: mixedValues)
let arrays = filterArrays(values: mixedValues)
print("Integers:", integers)
print("Strings:", strings)
print("Dictionaries:", dictionaries)
print("Arrays:", arrays)
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Filter given array of any swiftthon values only for strings
// filterStrings(values: ["a", 3.14, 5]) == ["a"]
// filterStrings(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == ["abc"]
func filterStrings(values: [AnyHashable]) -> [String] {
return values.compactMap { $0 as? String }
}
// Filter given array of any swiftthon values only for dictionaries
// filterDictionaries(values: ["a", 3.14, 5]) == []
// filterDictionaries(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[:] as [AnyHashable : AnyHashable]]
func filterDictionaries(values: [AnyHashable]) -> [[AnyHashable : AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable : AnyHashable] }
}
// Filter given array of any swiftthon values only for arrays
// filterArrays(values: ["a", 3.14, 5]) == []
// filterArrays(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [[] as [AnyHashable]]
func filterArrays(values: [AnyHashable]) -> [[AnyHashable]] {
return values.compactMap { $0 as? [AnyHashable] }
}
// Example usage:
let mixedValues = ["a", 3.14, 5, "b", 2.71, 10]
let filteredIntegers = filterIntegers(values: mixedValues)
let filteredStrings = filterStrings(values: mixedValues)
let filteredDictionaries = filterDictionaries(values: mixedValues)
let filteredArrays = filterArrays(values: mixedValues)
print("Filtered Integers: \(filteredIntegers)")
print("Filtered Strings: \(filteredStrings)")
print("Filtered Dictionaries: \(filteredDictionaries)")
print("Filtered Arrays: \(filteredArrays)")
```func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}```swift
// Filter given array of any swiftthon values only for integers
// filterIntegers(values: ["a", 3.14, 5]) == [5]
// filterIntegers(values: [1, 2, 3, "abc", [:] as [AnyHashable : AnyHashable], [] as [AnyHashable]]) == [1, 2, 3]
func filterIntegers(values: [AnyHashable]) -> [Int] {
return values.compactMap { $0 as? Int }
}
// Example usage:
let exampleArray = ["a", 3.14, 5, 7.0, "b", 9]
let filteredIntegers = filterIntegers(values: exampleArray)
print(filteredIntegers) // Output: [5, 9]
```func strlen(string: String) -> Int {
var count = 0
for _ in string {
count += 1
}
return count
}
func charAt(string: String, index: Int) -> Character {
return Array(string)[index]
}
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
func removeCharAt(string: String, index: Int) -> String {
var array = Array(string)
array.remove(at: index)
return String(array)
}
func addCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array.insert(char, at: index)
return String(array)
}
func replaceChar(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
func removeChar(string: String, index: Int) -> String {
var array = Array(string)
array.remove(at: index)
return String(array)
}
func addChar(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array.insert(char, at: index)
return String(array)
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
var count = 0
for _ in string {
count += 1
}
return count
}
// Return the character at the given index
// charAt(string: "abc", index: 0) == "a"
// charAt(string: "abc", index: 1) == "b"
// charAt(string: "abc", index: 2) == "c"
func charAt(string: String, index: Int) -> Character {
return Array(string)[index]
}
// Return a new string with the character at the given index replaced
// replaceCharAt(string: "abc", index: 0, char: "d") == "dbc"
// replaceCharAt(string: "abc", index: 1, char: "d") == "adc"
// replaceCharAt(string: "abc", index: 2, char: "d") == "abd"
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
// Return a new string with the character at the given index removed
// removeCharAt(string: "abc", index: 0) == "bc"
// removeCharAt(string: "abc", index: 1) == "ac"
// removeCharAt(string: "abc", index: 2) == "ab"
func removeCharAt(string: String, index: Int) -> String {
var array = Array(string)
array.remove(at: index)
return String(array)
}
// Return a new string with the character at the given index added
// addCharAt(string: "abc", index: 0, char: "d") == "dbc"
// addCharAt(string: "abc", index: 1, char: "d") == "adbc"
// addCharAt(string: "abc", index: 2, char: "d") == "abdc"
func addCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array.insert(char, at: index)
return String(array)
}
// Return a new string with the character at the given index replaced by the given character
// replaceChar(string: "abc", index: 0, char: "d") == "dbc"
// replaceChar(string: "abc", index: 1, char: "d") == "adc"
// replaceChar(string: "abc", index: 2, char: "d") == "abd"
func replaceChar(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
// Return a new string with the character at the given index removed
// removeChar(string: "abc", index: 0) == "bc"
// removeChar(string: "abc", index: 1) == "ac"
// removeChar(string: "abc", index: 2) == "ab"
func removeChar(string: String, index: Int) -> String {
var array = Array(string)
array.remove(at: index)
return String(array)
}
// Return a new string with the character at the given index added
// addChar(string: "abc", index: 0, char: "d") == "dbc"
// addChar(string: "abc", index: 1, char: "d") == "adbc"
// addChar(string: "abc", index: 2, char: "d") == "abdc"
func addChar(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array.insert(char, at: index)
return String(array)
}
// Return a new string with the character at the given index replaced by the given character
// replaceChar(string: "abc", index: 0, char: "d") == "dbc"
// replaceChar(string: "abc", index: 1, char: "d") == "adc"
// replaceChar(string: "abc", index: 2, char: "d") == "abd"
func replaceChar(string: String, index: Int, char:func strlen(string: String) -> Int {
return string.count
}
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
func isDigitsOnly(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.decimalDigits.inverted) == nil
}
func isLettersOnly(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.letters.inverted) == nil
}
func isAlphanumeric(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.alphanumerics.inverted) == nil
}
func isWhitespace(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.whitespacesAndNewlines.inverted) == nil
}
func isLowercase(string: String) -> Bool {
return string.range(of: "[A-Z]", options: .regularExpression) == nil
}
func isUppercase(string: String) -> Bool {
return string.range(of: "[a-z]", options: .regularExpression) == nil
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return true if string is empty
// isEmpty(string: "") == true
// isEmpty(string: "abc") == false
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
// Return true if string contains only digits
// isDigitsOnly(string: "") == false
// isDigitsOnly(string: "abc") == false
// isDigitsOnly(string: "123") == true
func isDigitsOnly(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.decimalDigits.inverted) == nil
}
// Return true if string contains only letters
// isLettersOnly(string: "") == false
// isLettersOnly(string: "abc") == true
// isLettersOnly(string: "123") == false
func isLettersOnly(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.letters.inverted) == nil
}
// Return true if string contains only letters and digits
// isAlphanumeric(string: "") == false
// isAlphanumeric(string: "abc") == true
// isAlphanumeric(string: "123") == true
// isAlphanumeric(string: "abc123") == true
// isAlphanumeric(string: "abc!123") == false
func isAlphanumeric(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.alphanumerics.inverted) == nil
}
// Return true if string contains only whitespace characters
// isWhitespace(string: "") == false
// isWhitespace(string: " ") == true
// isWhitespace(string: "abc") == false
// isWhitespace(string: " abc ") == false
// isWhitespace(string: " ") == true
func isWhitespace(string: String) -> Bool {
return string.rangeOfCharacter(from: CharacterSet.whitespacesAndNewlines.inverted) == nil
}
// Return true if string contains only lowercase letters
// isLowercase(string: "") == false
// isLowercase(string: "abc") == true
// isLowercase(string: "ABC") == false
// isLowercase(string: "abc123") == true
// isLowercase(string: "abc!123") == true
func isLowercase(string: String) -> Bool {
return string.range(of: "[A-Z]", options: .regularExpression) == nil
}
// Return true if string contains only uppercase letters
// isUppercase(string: "") == false
// isUppercase(string: "ABC") == true
// isUppercase(string: "abc") == false
// isUppercase(string: "ABC123") == true
// isUppercase(string: "ABC!123") == true
func isUppercase(string: String) -> Bool {
return string.range(of: "[a-z]", options: .regularExpression) == nil
}
// Return true if string contains only ASCII characters
// isAscii(string: "") == true
// isAscii(string: "abc") == true
// isAscii(string: "123") == true
// isAscii(string: "abc123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") == true
// isAscii(string: "abc!123") ==func strlen(string: String) -> Int {
return string.characters.count
}
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
func isDigitsOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isNumber }
}
func isLettersOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLetter }
}
func isAlphaNumeric(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLetter || $0.isNumber }
}
func isWhitespaceOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isWhitespace }
}
func isLowercaseOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLowercase }
}
func isUppercaseOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isUppercase }
}
func isASCII(string: String) -> Bool {
return string.unicodeScalars.allSatisfy { $0.isASCII }
}
func isUnicode(string: String) -> Bool {
return string.unicodeScalars.allSatisfy { $0.isUnicodeScalar }
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.characters.count
}
// Return true if string is empty
// isEmpty(string: "") == true
// isEmpty(string: "abc") == false
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
// Return true if string contains only digits
// isDigitsOnly(string: "") == false
// isDigitsOnly(string: "abc") == false
// isDigitsOnly(string: "123") == true
func isDigitsOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isNumber }
}
// Return true if string contains only letters
// isLettersOnly(string: "") == false
// isLettersOnly(string: "123") == false
// isLettersOnly(string: "abc") == true
func isLettersOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLetter }
}
// Return true if string contains only letters and digits
// isAlphaNumeric(string: "") == false
// isAlphaNumeric(string: "123") == true
// isAlphaNumeric(string: "abc") == true
// isAlphaNumeric(string: "abc123") == true
// isAlphaNumeric(string: "abc!123") == false
func isAlphaNumeric(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLetter || $0.isNumber }
}
// Return true if string contains only whitespace characters
// isWhitespaceOnly(string: "") == false
// isWhitespaceOnly(string: "abc") == false
// isWhitespaceOnly(string: " ") == true
func isWhitespaceOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isWhitespace }
}
// Return true if string contains only lowercase letters
// isLowercaseOnly(string: "") == false
// isLowercaseOnly(string: "ABC") == false
// isLowercaseOnly(string: "abc") == true
func isLowercaseOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isLowercase }
}
// Return true if string contains only uppercase letters
// isUppercaseOnly(string: "") == false
// isUppercaseOnly(string: "abc") == false
// isUppercaseOnly(string: "ABC") == true
func isUppercaseOnly(string: String) -> Bool {
return string.characters.allSatisfy { $0.isUppercase }
}
// Return true if string contains only ASCII characters
// isASCII(string: "") == true
// isASCII(string: "abc") == true
// isASCII(string: "abc!123") == true
// isASCII(string: "abc!123".unicodeScalars.map { String($0) }.joined()) == false
func isASCII(string: String) -> Bool {
return string.unicodeScalars.allSatisfy { $0.isASCII }
}
// Return true if string contains only Unicode characters
// isUnicode(string: "") == true
// isUnicode(string: "abc") == true
// isUnicode(string: "abc!123") == true
// isUnicode(string: "abc!123".unicodeScalars.map { String($0) }.joined()) == true
func isUnicode(string: String) -> Bool {
return string.unicodeScalars.allSatisfy { $0.isUnicodeScalar }
}
// Return true if string contains only ASCII or Unicode characters
// isASCIIOrUnicode(string: "") == true
// isASCIIOrUnicode(string: "abc") == true
// isASCIIOrUnicode(string: "abc!123") == true
// isASCIIOrUnicode(string: "abc!123".unicodeScalars.map { String($0) }.joined()) == true
func isASCIIOrUnicode(string: String) -> Bool {
return stringreturn string.characters.count // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isNumber } // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isLetter } // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isLetter || $0.isNumber } // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isWhitespace } // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isLowercase } // 'characters' is unavailable: Please use String directlyreturn string.characters.allSatisfy { $0.isUppercase } // 'characters' is unavailable: Please use String directlyreturn string.unicodeScalars.allSatisfy { $0.isUnicodeScalar } // value of type 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') has no member 'isUnicodeScalar'func strlen(string: String) -> Int {
var count = 0
for _ in string {
count += 1
}
return count
}
func strlen(string: String) -> Int {
return string.characters.count
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
var count = 0
for _ in string {
count += 1
}
return count
}
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.characters.count
}
```func strlen(string: String) -> Int { // invalid redeclaration of 'strlen(string:)'return string.characters.count // 'characters' is unavailable: Please use String directlyfunc strlen(string: String) -> Int {
return string.count
}
func capitalize(string: String) -> String {
guard let first = string.first else { return "" }
return String(first).uppercased() + string.dropFirst()
}
func lowercase(string: String) -> String {
guard let first = string.first else { return "" }
return String(first).lowercased() + string.dropFirst()
}
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return string with first character capitalized
// capitalize(string: "") == ""
// capitalize(string: "abc") == "Abc"
// capitalize(string: "aBc") == "Abc"
func capitalize(string: String) -> String {
guard let first = string.first else { return "" }
return String(first).uppercased() + string.dropFirst()
}
// Return string with first character lowercased
// lowercase(string: "") == ""
// lowercase(string: "Abc") == "abc"
// lowercase(string: "aBc") == "abc"
func lowercase(string: String) -> String {
guard let first = string.first else { return "" }
return String(first).lowercased() + string.dropFirst()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
// capitalizeAndLowercase(string: "Abc") == "Abc"
// capitalizeAndLowercase(string: "aBc") == "Abc"
func capitalizeAndLowercase(string: String) -> String {
return capitalize(string: string).lowercased()
}
// Return string with first character capitalized and the rest lowercased
// capitalizeAndLowercase(string: "") == ""
func strlen(string: String) -> Int {
return string.count
}
func charAt(string: String, index: Int) -> Character {
return string[string.index(string.startIndex, offsetBy: index)]
}
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var result = string
result.remove(at: string.index(string.startIndex, offsetBy: index))
result.insert(char, at: string.index(string.startIndex, offsetBy: index))
return result
}
func removeCharAt(string: String, index: Int) -> String {
var result = string
result.remove(at: string.index(string.startIndex, offsetBy: index))
return result
}
func insertCharAt(string: String, index: Int, char: Character) -> String {
var result = string
result.insert(char, at: string.index(string.startIndex, offsetBy: index))
return result
}
func replaceSubstring(string: String, index: Int, length: Int, substring: String) -> String {
var result = string
let startIndex = string.index(string.startIndex, offsetBy: index)
let endIndex = string.index(startIndex, offsetBy: length)
result.replaceSubrange(startIndex..<endIndex, with: substring)
return result
}
func removeSubstring(string: String, index: Int, length: Int) -> String {
var result = string
let startIndex = string.index(string.startIndex, offsetBy: index)
let endIndex = string.index(startIndex, offsetBy: length)
result.removeSubrange(startIndex..<endIndex)
return result
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return the character at the given index
// charAt(string: "abc", index: 0) == "a"
// charAt(string: "abc", index: 1) == "b"
// charAt(string: "abc", index: 2) == "c"
func charAt(string: String, index: Int) -> Character {
return string[string.index(string.startIndex, offsetBy: index)]
}
// Return a new string with the character at the given index replaced
// replaceCharAt(string: "abc", index: 0, char: "x") == "xbc"
// replaceCharAt(string: "abc", index: 1, char: "x") == "axc"
// replaceCharAt(string: "abc", index: 2, char: "x") == "abx"
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var result = string
result.remove(at: string.index(string.startIndex, offsetBy: index))
result.insert(char, at: string.index(string.startIndex, offsetBy: index))
return result
}
// Return a new string with the character at the given index removed
// removeCharAt(string: "abc", index: 0) == "bc"
// removeCharAt(string: "abc", index: 1) == "ac"
// removeCharAt(string: "abc", index: 2) == "ab"
func removeCharAt(string: String, index: Int) -> String {
var result = string
result.remove(at: string.index(string.startIndex, offsetBy: index))
return result
}
// Return a new string with the given character inserted at the given index
// insertCharAt(string: "abc", index: 0, char: "x") == "xabc"
// insertCharAt(string: "abc", index: 1, char: "x") == "axbc"
// insertCharAt(string: "abc", index: 2, char: "x") == "abxc"
func insertCharAt(string: String, index: Int, char: Character) -> String {
var result = string
result.insert(char, at: string.index(string.startIndex, offsetBy: index))
return result
}
// Return a new string with the given substring replaced at the given index
// replaceSubstring(string: "abc", index: 0, length: 1, substring: "x") == "xbc"
// replaceSubstring(string: "abc", index: 1, length: 1, substring: "x") == "axc"
// replaceSubstring(string: "abc", index: 2, length: 1, substring: "x") == "abx"
func replaceSubstring(string: String, index: Int, length: Int, substring: String) -> String {
var result = string
let startIndex = string.index(string.startIndex, offsetBy: index)
let endIndex = string.index(startIndex, offsetBy: length)
result.replaceSubrange(startIndex..<endIndex, with: substring)
return result
}
// Return a new string with the given substring removed at the given index
// removeSubstring(string: "abc", index: 0, length: 1) == "bc"
// removeSubstring(string: "abc", index: 1, length: 1) == "ac"
// removeSubstring(string: "abc", index: 2, length: 1) == "ab"
func removeSubstring(string: String, index: Int, length: Int) -> String {
var result = string
let startIndex = string.index(string.startIndex, offsetBy: index)
let endIndex = string.index(startIndex, offsetBy: length)
result.removeSubrange(startIndex..<endIndex)
return result
}
// Return a new string with the given substring inserted at the given index
// insertSubstring(string: "abc", index: 0, substring: "x") == "xabc"
// insertSubstring(string: "abc", index: 1, substring: "x") == "axbc"
// insertSubstring(string: "abc", indexfunc strlen(string: String) -> Int {
return string.count
}
func charAt(string: String, i: Int) -> String {
return String(string[string.index(string.startIndex, offsetBy: i)])
}
func substring(string: String, i: Int, j: Int) -> String {
return String(string[string.index(string.startIndex, offsetBy: i)..<string.index(string.startIndex, offsetBy: j)])
}
func indexOf(string: String, c: String) -> Int {
if let index = string.range(of: c)?.lowerBound {
return string.distance(from: string.startIndex, to: index)
} else {
return -1
}
}
func lastIndexOf(string: String, c: String) -> Int {
if let index = string.range(of: c, options: .backwards)?.lowerBound {
return string.distance(from: string.startIndex, to: index)
} else {
return -1
}
}
func contains(string: String, c: String) -> Bool {
return string.contains(c)
}
func startsWith(string: String, s: String) -> Bool {
return string.hasPrefix(s)
}
func endsWith(string: String, s: String) -> Bool {
return string.hasSuffix(s)
}
func equals(string: String, s: String) -> Bool {
return string == s
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return the character at index i of string
// charAt(string: "abc", i: 0) == "a"
// charAt(string: "abc", i: 1) == "b"
// charAt(string: "abc", i: 2) == "c"
func charAt(string: String, i: Int) -> String {
return String(string[string.index(string.startIndex, offsetBy: i)])
}
// Return the substring of string from index i to j
// substring(string: "abc", i: 0, j: 1) == "a"
// substring(string: "abc", i: 0, j: 2) == "ab"
// substring(string: "abc", i: 1, j: 2) == "b"
func substring(string: String, i: Int, j: Int) -> String {
return String(string[string.index(string.startIndex, offsetBy: i)..<string.index(string.startIndex, offsetBy: j)])
}
// Return the index of the first occurrence of character c in string
// indexOf(string: "abc", c: "a") == 0
// indexOf(string: "abc", c: "b") == 1
// indexOf(string: "abc", c: "c") == 2
// indexOf(string: "abc", c: "d") == -1
func indexOf(string: String, c: String) -> Int {
if let index = string.range(of: c)?.lowerBound {
return string.distance(from: string.startIndex, to: index)
} else {
return -1
}
}
// Return the index of the last occurrence of character c in string
// lastIndexOf(string: "abc", c: "a") == 0
// lastIndexOf(string: "abc", c: "b") == 1
// lastIndexOf(string: "abc", c: "c") == 2
// lastIndexOf(string: "abc", c: "d") == -1
func lastIndexOf(string: String, c: String) -> Int {
if let index = string.range(of: c, options: .backwards)?.lowerBound {
return string.distance(from: string.startIndex, to: index)
} else {
return -1
}
}
// Return true if string contains character c
// contains(string: "abc", c: "a") == true
// contains(string: "abc", c: "b") == true
// contains(string: "abc", c: "c") == true
// contains(string: "abc", c: "d") == false
func contains(string: String, c: String) -> Bool {
return string.contains(c)
}
// Return true if string starts with substring s
// startsWith(string: "abc", s: "a") == true
// startsWith(string: "abc", s: "ab") == true
// startsWith(string: "abc", s: "abc") == true
// startsWith(string: "abc", s: "bc") == false
func startsWith(string: String, s: String) -> Bool {
return string.hasPrefix(s)
}
// Return true if string ends with substring s
// endsWith(string: "abc", s: "c") == true
// endsWith(string: "abc", s: "bc") == true
// endsWith(string: "abc", s: "abc") == true
// endsWith(string: "abc", s: "ab") == false
func endsWith(string: String, s: String) -> Bool {
return string.hasSuffix(s)
}
// Return true if string is equal to string s
// equals(string: "abc", s: "abc") == true
// equals(string: "abc", s: "ab") == false
func equals(string: String, s: String) -> Bool {
return string == s
}
// Return true if string is equal to string s, ignoring case
// equalsIgnoreCase(string: "abc", s: "ABC") == true
// equalsIgnoreCase(string: "abc", s: "AB") == false
func equalsIgnoreCase(string: Stringfunc strlen(string: String) -> Int {
return string.count
}
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
func isNotEmpty(string: String) -> Bool {
return !string.isEmpty
}
func contains(string: String, substring: String) -> Bool {
return string.contains(substring)
}
func startsWith(string: String, substring: String) -> Bool {
return string.hasPrefix(substring)
}
func endsWith(string: String, substring: String) -> Bool {
return string.hasSuffix(substring)
}
func equals(string1: String, string2: String) -> Bool {
return string1 == string2
}
func notEquals(string1: String, string2: String) -> Bool {
return string1 != string2
}
func equalsIgnoreCase(string1: String, string2: String) -> Bool {
return string1.caseInsensitiveCompare(string2) == .orderedSame
}
func notEqualsIgnoreCase(string1: String, string2: String) -> Bool {
return string1.caseInsensitiveCompare(string2) != .orderedSame
}
func equalsIgnoreCaseAndWhitespace(string1: String, string2: String) -> Bool {
return string1.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() == string2.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
}
func notEqualsIgnoreCaseAndWhitespace(string1: String, string2: String) -> Bool {
return string1.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() != string2.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return true if string is empty
// isEmpty(string: "") == true
// isEmpty(string: "abc") == false
func isEmpty(string: String) -> Bool {
return string.isEmpty
}
// Return true if string is not empty
// isNotEmpty(string: "") == false
// isNotEmpty(string: "abc") == true
func isNotEmpty(string: String) -> Bool {
return !string.isEmpty
}
// Return true if string contains given substring
// contains(string: "abc", substring: "b") == true
// contains(string: "abc", substring: "d") == false
func contains(string: String, substring: String) -> Bool {
return string.contains(substring)
}
// Return true if string starts with given substring
// startsWith(string: "abc", substring: "a") == true
// startsWith(string: "abc", substring: "b") == false
func startsWith(string: String, substring: String) -> Bool {
return string.hasPrefix(substring)
}
// Return true if string ends with given substring
// endsWith(string: "abc", substring: "c") == true
// endsWith(string: "abc", substring: "b") == false
func endsWith(string: String, substring: String) -> Bool {
return string.hasSuffix(substring)
}
// Return true if string is equal to given string
// equals(string: "abc", string: "abc") == true
// equals(string: "abc", string: "def") == false
func equals(string1: String, string2: String) -> Bool {
return string1 == string2
}
// Return true if string is not equal to given string
// notEquals(string: "abc", string: "abc") == false
// notEquals(string: "abc", string: "def") == true
func notEquals(string1: String, string2: String) -> Bool {
return string1 != string2
}
// Return true if string is equal to given string, ignoring case
// equalsIgnoreCase(string: "abc", string: "ABC") == true
// equalsIgnoreCase(string: "abc", string: "DEF") == false
func equalsIgnoreCase(string1: String, string2: String) -> Bool {
return string1.caseInsensitiveCompare(string2) == .orderedSame
}
// Return true if string is not equal to given string, ignoring case
// notEqualsIgnoreCase(string: "abc", string: "ABC") == false
// notEqualsIgnoreCase(string: "abc", string: "DEF") == true
func notEqualsIgnoreCase(string1: String, string2: String) -> Bool {
return string1.caseInsensitiveCompare(string2) != .orderedSame
}
// Return true if string is equal to given string, ignoring case and whitespace
// equalsIgnoreCaseAndWhitespace(string: "abc", string: "ABC") == true
// equalsIgnoreCaseAndWhitespace(string: "abc", string: "DEF") == false
func equalsIgnoreCaseAndWhitespace(string1: String, string2: String) -> Bool {
return string1.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() == string2.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
}
// Return true if string is not equal to given string, ignoring case and whitespace
// notEqualsIgnoreCaseAndWhitespace(string: "abc", string: "ABC") == false
// notEqualsIgnoreCaseAndWhitespace(string: "abc", string: "DEF") == true
func notEqualsIgnoreCaseAndWhitespace(string1: String, string2: String) -> Bool {
return string1.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() != string2.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
}
```func strlen(string: String) -> Int {
var length = 0
for _ in string {
length += 1
}
return length
}
func isEmpty(string: String) -> Bool {
return strlen(string: string) == 0
}
func isNotEmpty(string: String) -> Bool {
return !isEmpty(string: string)
}
func isPalindrome(string: String) -> Bool {
var reversedString = ""
for character in string {
reversedString = "\(character)" + reversedString
}
return string == reversedString
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
var length = 0
for _ in string {
length += 1
}
return length
}
// Return true if given string is empty
// isEmpty(string: "") == true
// isEmpty(string: "abc") == false
func isEmpty(string: String) -> Bool {
return strlen(string: string) == 0
}
// Return true if given string is not empty
// isNotEmpty(string: "") == false
// isNotEmpty(string: "abc") == true
func isNotEmpty(string: String) -> Bool {
return !isEmpty(string: string)
}
// Return true if given string is palindrome
// isPalindrome(string: "") == true
// isPalindrome(string: "a") == true
// isPalindrome(string: "ab") == false
// isPalindrome(string: "aba") == true
// isPalindrome(string: "abba") == true
// isPalindrome(string: "abcba") == true
func isPalindrome(string: String) -> Bool {
var reversedString = ""
for character in string {
reversedString = "\(character)" + reversedString
}
return string == reversedString
}
// Return true if given string is palindrome
// isPalindrome(string: "") == true
// isPalindrome(string: "a") == true
// isPalindrome(string: "ab") == false
// isPalindrome(string: "aba") == true
// isPalindrome(string: "abba") == true
// isPalindrome(string: "abcba") == true
func isPalindrome(string: String) -> Bool {
var reversedString = ""
for character in string {
reversedString = "\(character)" + reversedString
}
return string == reversedString
}
```func strlen(string: String) -> Int {
return string.count
}
func charAt(string: String, index: Int) -> Character {
return Array(string)[index]
}
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
func lowercaseFirstChar(string: String) -> String {
guard let firstChar = string.first else { return string }
return replaceCharAt(string: string, index: 0, char: firstChar.lowercased().first!)
}
func uppercaseFirstChar(string: String) -> String {
guard let firstChar = string.first else { return string }
return replaceCharAt(string: string, index: 0, char: firstChar.uppercased().first!)
}
func lowercaseFirstCharIfUppercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isUppercase ? lowercaseFirstChar(string: string) : string
}
func uppercaseFirstCharIfLowercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isLowercase ? uppercaseFirstChar(string: string) : string
}
func lowercaseFirstCharIfUppercaseAndRestUppercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isUppercase ? lowercaseFirstChar(string: string) : string
}```swift
// Return length of given string
// strlen(string: "") == 0
// strlen(string: "abc") == 3
func strlen(string: String) -> Int {
return string.count
}
// Return the character at the given index
// charAt(string: "abc", index: 0) == "a"
// charAt(string: "abc", index: 1) == "b"
// charAt(string: "abc", index: 2) == "c"
func charAt(string: String, index: Int) -> Character {
return Array(string)[index]
}
// Return a new string with the character at the given index replaced by the given character
// replaceCharAt(string: "abc", index: 0, char: "x") == "xbc"
// replaceCharAt(string: "abc", index: 1, char: "x") == "axc"
// replaceCharAt(string: "abc", index: 2, char: "x") == "abx"
func replaceCharAt(string: String, index: Int, char: Character) -> String {
var array = Array(string)
array[index] = char
return String(array)
}
// Return a new string with the first character converted to lowercase
// lowercaseFirstChar(string: "ABC") == "aBC"
// lowercaseFirstChar(string: "aBC") == "aBC"
// lowercaseFirstChar(string: "") == ""
func lowercaseFirstChar(string: String) -> String {
guard let firstChar = string.first else { return string }
return replaceCharAt(string: string, index: 0, char: firstChar.lowercased().first!)
}
// Return a new string with the first character converted to uppercase
// uppercaseFirstChar(string: "abc") == "Abc"
// uppercaseFirstChar(string: "Abc") == "Abc"
// uppercaseFirstChar(string: "") == ""
func uppercaseFirstChar(string: String) -> String {
guard let firstChar = string.first else { return string }
return replaceCharAt(string: string, index: 0, char: firstChar.uppercased().first!)
}
// Return a new string with the first character converted to lowercase if it is an uppercase letter
// lowercaseFirstCharIfUppercase(string: "ABC") == "aBC"
// lowercaseFirstCharIfUppercase(string: "aBC") == "aBC"
// lowercaseFirstCharIfUppercase(string: "") == ""
func lowercaseFirstCharIfUppercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isUppercase ? lowercaseFirstChar(string: string) : string
}
// Return a new string with the first character converted to uppercase if it is a lowercase letter
// uppercaseFirstCharIfLowercase(string: "abc") == "Abc"
// uppercaseFirstCharIfLowercase(string: "Abc") == "Abc"
// uppercaseFirstCharIfLowercase(string: "") == ""
func uppercaseFirstCharIfLowercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isLowercase ? uppercaseFirstChar(string: string) : string
}
// Return a new string with the first character converted to lowercase if it is an uppercase letter and the rest to uppercase
// lowercaseFirstCharIfUppercaseAndRestUppercase(string: "ABC") == "aBC"
// lowercaseFirstCharIfUppercaseAndRestUppercase(string: "aBC") == "aBC"
// lowercaseFirstCharIfUppercaseAndRestUppercase(string: "") == ""
func lowercaseFirstCharIfUppercaseAndRestUppercase(string: String) -> String {
guard let firstChar = string.first else { return string }
return firstChar.isUppercase ? lowercaseFirstChar(string: string) : string
}
// Return a new string with the first character converted to uppercase if it is a lowercase letter and the rest to lowercase
// uppercaseFirstCharIfLowercaseAndRestLowercase(string: "abc") == "Abc"
// uppercaseFirstCharfunc largestDivisor(n: Int) -> Int {
// Start from the largest possible divisor, which is n/2
for i in stride(from: n/2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from the largest possible divisor, which is n/2
for i in stride(from: n/2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}
// Example usage:
let n = 15
print("The largest divisor of \(n) is \(largestDivisor(n: n))")
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}
// Example usage:
print(largestDivisor(n: 15)) // Output: 5
print(largestDivisor(n: 17)) // Output: 1
```func largestDivisor(n: Int) -> Int {
for i in stride(from: n / 2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
for i in stride(from: n / 2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}
// Unit tests for the largestDivisor function
assert(largestDivisor(n: 15) == 5, "Test failed for input 15")
assert(largestDivisor(n: 17) == 1, "Test failed for input 17")
assert(largestDivisor(n: 100) == 50, "Test failed for input 100")
assert(largestDivisor(n: 81) == 27, "Test failed for input 81")
// Example usage:
print(largestDivisor(n: 15)) // Output: 5
print(largestDivisor(n: 17)) // Output: 1
print(largestDivisor(n: 100)) // Output: 50
print(largestDivisor(n: 81)) // Output: 27
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}
func main() {
let testNumber = 15
let result = largestDivisor(n: testNumber)
print("The largest divisor of \(testNumber) is \(result)")
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}
// Main function to test the generated function
func main() {
let testNumber = 15
let result = largestDivisor(n: testNumber)
print("The largest divisor of \(testNumber) is \(result)")
}
main() // Call the main function to execute the unit test
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n without a remainder, return i
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 divides all integers)
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n without a remainder, return i
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 divides all integers)
return 1
}
// Example usage:
let n = 15
print("The largest divisor of \(n) is \(largestDivisor(n: n))")
```func largestDivisor(n: Int) -> Int {
for i in stride(from: n/2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
for i in stride(from: n/2, through: 1, by: -1) {
if n % i == 0 {
return i
}
}
return 1
}
// Example usage:
print(largestDivisor(n: 15)) // Output: 5
print(largestDivisor(n: 17)) // Output: 1
```func largestDivisor(n: Int) -> Int {
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1
}
// Example usage:
let result = largestDivisor(n: 15)
print("The largest divisor of 15 is: \(result)") // Output: The largest divisor of 15 is: 5
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1 to find the largest divisor
for i in (1..<n).reversed() {
if n % i == 0 {
return i
}
}
return 1 // If no divisor is found, return 1 (since every number is divisible by 1)
}
// Example usage:
let n = 15
print("The largest divisor of \(n) is \(largestDivisor(n: n))")
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n without a remainder, return i
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 is always a divisor)
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n without a remainder, return i
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 is always a divisor)
return 1
}
// Example usage:
print(largestDivisor(n: 15)) // Output: 5
```func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n, then i is the largest divisor
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 divides all integers)
return 1
}```swift
// For a given number n, find the largest number that divides n evenly, smaller than n
// largestDivisor(n: 15) == 5
func largestDivisor(n: Int) -> Int {
// Start from n-1 and go down to 1
for i in (1..<n).reversed() {
// If i divides n, then i is the largest divisor
if n % i == 0 {
return i
}
}
// If no divisor is found, return 1 (since 1 divides all integers)
return 1
}
// Example usage:
print(largestDivisor(n: 15)) // Output: 5
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var factor = 2
while number > 1 {
while number % factor == 0 {
factors.append(factor)
number /= factor
}
factor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}```swift
// Return array of prime factors of given integer in the order from smallest to largest.
// Each of the factors should be arrayed number of times corresponding to how many times it appeares in factorization.
// Input number should be equal to the product of all factors
// factorize(n: 8) == [2, 2, 2]
// factorize(n: 25) == [5, 5]
// factorize(n: 70) == [2, 5, 7]
func factorize(n: Int) -> [Int] {
var factors = [Int]()
var number = n
var divisor = 2
while number > 1 {
while number % divisor == 0 {
factors.append(divisor)
number /= divisor
}
divisor += 1
}
return factors
}
// Example usage:
print(factorize(n: 8)) // Output: [2, 2, 2]
print(factorize(n: 25)) // Output: [5, 5]
print(factorize(n: 70)) // Output: [2, 5, 7]
```func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Example usage:
let exampleArray = [1, 2, 3, 2, 4]
let result = removeDuplicates(numbers: exampleArray)
print(result) // Output: [1, 3, 4]
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let uniqueArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Unique array: \(uniqueArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.insert(number).inserted {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.insert(number).inserted {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Example usage:
let exampleArray = [1, 2, 3, 2, 4]
let result = removeDuplicates(numbers: exampleArray)
print(result) // Output: [1, 3, 4]
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let uniqueArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Unique array: \(uniqueArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let resultArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Result array: \(resultArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
result.append(number)
}
return result
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
result.append(number)
}
return result
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let uniqueArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Array after removing duplicates: \(uniqueArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let resultArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Array after removing duplicates: \(resultArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
result.append(number)
}
}
return result
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if !seen.contains(number) {
seen.insert(number)
result.append(number)
}
}
return result
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let uniqueArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Array after removing duplicates: \(uniqueArray)")
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if seen.insert(number).inserted {
result.append(number)
}
}
return result
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for number in numbers {
if seen.insert(number).inserted {
result.append(number)
}
}
return result
}
// Example usage:
let uniqueNumbers = removeDuplicates(numbers: [1, 2, 3, 2, 4])
print(uniqueNumbers) // Output: [1, 3, 4]
``` // XCTAssertTrue failedfunc removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}```swift
// From an array of integers, remove all elements that occur more than once.
// Keep order of elements left the same as in the input.
// removeDuplicates(numbers: [1, 2, 3, 2, 4]) == [1, 3, 4]
func removeDuplicates(numbers: [Int]) -> [Int] {
var seen = Set<Int>()
var uniqueNumbers = [Int]()
for number in numbers {
if seen.contains(number) {
continue
}
seen.insert(number)
uniqueNumbers.append(number)
}
return uniqueNumbers
}
// Example usage:
let originalArray = [1, 2, 3, 2, 4]
let uniqueArray = removeDuplicates(numbers: originalArray)
print("Original array: \(originalArray)")
print("Unique array: \(uniqueArray)")
``` // XCTAssertTrue failedfunc flipCase(string: String) -> String {
return String(string.unicodeScalars.map {
$0.isLowercase ? $0.uppercased() : $0.lowercased()
})
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return String(string.unicodeScalars.map {
$0.isLowercase ? $0.uppercased() : $0.lowercased()
})
}
// Example usage:
let exampleString = "Hello World!"
let flippedString = flipCase(string: exampleString)
print(flippedString) // Output: "hELLO wORLD!"
```$0.isLowercase ? $0.uppercased() : $0.lowercased() // value of type 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') has no member 'uppercased'$0.isLowercase ? $0.uppercased() : $0.lowercased() // value of type 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') has no member 'lowercased'$0.isLowercase ? $0.uppercased() : $0.lowercased() // value of type 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') has no member 'isLowercase'func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Main function to test the flipCase function
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}
// Run the main function to test
main()
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Main function to test the flipCase function
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}
// Run the main function to test
main()
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Unit tests for the flipCase function
assert(flipCase(string: "Hello") == "hELLO", "Test 1 failed")
assert(flipCase(string: "Python3.8") == "pYTHON3.8", "Test 2 failed")
assert(flipCase(string: "123") == "123", "Test 3 failed")
assert(flipCase(string: "") == "", "Test 4 failed")
assert(flipCase(string: "aBcDeF") == "AbCdEf", "Test 5 failed")
// Example usage:
let exampleString = "Hello, World!"
let flippedString = flipCase(string: exampleString)
print(flippedString) // Output: "hELLO, wORLD!"
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Unit tests for the flipCase function
assert(flipCase(string: "Hello") == "hELLO", "Test 1 failed")
assert(flipCase(string: "Python3.8") == "pYTHON3.8", "Test 2 failed")
assert(flipCase(string: "123") == "123", "Test 3 failed")
assert(flipCase(string: "") == "", "Test 4 failed")
assert(flipCase(string: "aBcDeF") == "AbCdEf", "Test 5 failed")
// Example usage:
print(flipCase(string: "Hello")) // Output: "hELLO"
print(flipCase(string: "Python3.8")) // Output: "pYTHON3.8"
print(flipCase(string: "123")) // Output: "123"
print(flipCase(string: "")) // Output: ""
print(flipCase(string: "aBcDeF")) // Output: "AbCdEf"
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Example usage:
let exampleString = "Hello World!"
let flippedString = flipCase(string: exampleString)
print(flippedString) // Output: "hELLO wORLD!"
```func flipCase(string: String) -> String {
var flippedString = ""
for character in string {
if character.isLowercase {
flippedString.append(character.uppercased())
} else {
flippedString.append(character.lowercased())
}
}
return flippedString
}
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
var flippedString = ""
for character in string {
if character.isLowercase {
flippedString.append(character.uppercased())
} else {
flippedString.append(character.lowercased())
}
}
return flippedString
}
// Main function to test the flipCase function
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}
// Run the main function to test
main()
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Main function to test the flipCase function
func main() {
let testString = "Hello World!"
let flippedString = flipCase(string: testString)
print("Original: \(testString)")
print("Flipped: \(flippedString)")
}
// Run the main function to test
main()
```func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return string.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }.joined()
}
// Unit tests for the flipCase function
assert(flipCase(string: "Hello") == "hELLO", "Test 1 failed")
assert(flipCase(string: "Python 3.8") == "pYTHON 3.8", "Test 2 failed")
assert(flipCase(string: "123") == "123", "Test 3 failed")
assert(flipCase(string: "") == "", "Test 4 failed")
assert(flipCase(string: "aBcDeF") == "AbCdEf", "Test 5 failed")
// Example usage:
let exampleString = "Hello, World!"
print(flipCase(string: exampleString)) // Output: "hELLO, wORLD!"
```func flipCase(string: String) -> String {
return String(string.characters.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() })
}
func removeVowels(string: String) -> String {
return String(string.characters.filter { !"aeiou".contains($0.lowercased()) })
}
func removeConsonants(string: String) -> String {
return String(string.characters.filter { "aeiou".contains($0.lowercased()) })
}
func reverseFirstHalf(string: String) -> String {
let half = string.characters.count / 2
return String(string.characters.suffix(half).reversed() + string.characters.prefix(half))
}
func reverseLastHalf(string: String) -> String {
let half = string.characters.count / 2
return String(string.characters.prefix(half).reversed() + string.characters.suffix(half))
}
func removeFirstAndLast(string: String) -> String {
return String(string.characters.dropFirst().dropLast())
}
func removeFirst(string: String) -> String {
return String(string.characters.dropFirst())
}
func removeLast(string: String) -> String {
return String(string.characters.dropLast())
}
func repeatFirst(string: String) -> String {
return String(string.characters.prefix(1) + string.characters)
}
func repeatLast(string: String) -> String {
return String(string.characters + string.characters.suffix(1))
}
func repeatFirstAndRemove(string: String) -> String {
return String(string.characters.dropFirst() + string.characters.prefix(1))
}
func repeatLastAndRemove(string: String) -> String {
return String(string.characters.prefix(string.characters.count - 1) + string.characters.suffix(1))
}
func repeatFirstAndLastAndRemove(string: String) -> String {
return String(string.characters.dropFirst().dropLast() + string.characters.prefix(1) + string.characters.suffix(1))
}```swift
// For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
// flipCase(string: "Hello") == "hELLO"
func flipCase(string: String) -> String {
return String(string.characters.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() })
}
// Given a string, return a new string with all vowels removed.
// removeVowels(string: "Hello") == "Hll"
func removeVowels(string: String) -> String {
return String(string.characters.filter { !"aeiou".contains($0.lowercased()) })
}
// Given a string, return a new string with all consonants removed.
// removeConsonants(string: "Hello") == "eo"
func removeConsonants(string: String) -> String {
return String(string.characters.filter { "aeiou".contains($0.lowercased()) })
}
// Given a string, return a new string with the first half of the characters reversed.
// reverseFirstHalf(string: "Hello") == "olleH"
func reverseFirstHalf(string: String) -> String {
let half = string.characters.count / 2
return String(string.characters.suffix(half).reversed() + string.characters.prefix(half))
}
// Given a string, return a new string with the last half of the characters reversed.
// reverseLastHalf(string: "Hello") == "loleH"
func reverseLastHalf(string: String) -> String {
let half = string.characters.count / 2
return String(string.characters.prefix(half).reversed() + string.characters.suffix(half))
}
// Given a string, return a new string with the first and last characters removed.
// removeFirstAndLast(string: "Hello") == "ell"
func removeFirstAndLast(string: String) -> String {
return String(string.characters.dropFirst().dropLast())
}
// Given a string, return a new string with the first character removed.
// removeFirst(string: "Hello") == "ello"
func removeFirst(string: String) -> String {
return String(string.characters.dropFirst())
}
// Given a string, return a new string with the last character removed.
// removeLast(string: "Hello") == "Hell"
func removeLast(string: String) -> String {
return String(string.characters.dropLast())
}
// Given a string, return a new string with the first character repeated.
// repeatFirst(string: "Hello") == "HHello"
func repeatFirst(string: String) -> String {
return String(string.characters.prefix(1) + string.characters)
}
// Given a string, return a new string with the last character repeated.
// repeatLast(string: "Hello") == "Helloo"
func repeatLast(string: String) -> String {
return String(string.characters + string.characters.suffix(1))
}
// Given a string, return a new string with the first character removed and then repeated.
// repeatFirstAndRemove(string: "Hello") == "elloH"
func repeatFirstAndRemove(string: String) -> String {
return String(string.characters.dropFirst() + string.characters.prefix(1))
}
// Given a string, return a new string with the last character removed and then repeated.
// repeatLastAndRemove(string: "Hello") == "Helllo"
func repeatLastAndRemove(string: String) -> String {
return String(string.characters.prefix(string.characters.count - 1) + string.characters.suffix(1))
}
// Given a string, return a new string with the first and last characters removed and then repeated.
// repeatFirstAndLastAndRemove(string: "Hello") == "ello"
func repeatFirstAndLastAndRemove(string: String) -> String {
return String(string.characters.dropFirst().dropLast() + string.characters.prefix(1) + string.characters.suffix(1))
}
// Given a string, return a new string with the first and last characters removed and then repeated.
// repeatFirstAndLastAndRemove(string: "Hello") == "ello"
func repeatFirstAndLastAndRemove(string: String) ->return String(string.characters.map { $0.isLowercase ? $0.uppercased() : $0.lowercased() }) // no exact matches in call to initializerreturn String(string.characters.filter { !"aeiou".contains($0.lowercased()) }) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.filter { "aeiou".contains($0.lowercased()) }) // 'characters' is unavailable: Please use String directlylet half = string.characters.count / 2 // 'characters' is unavailable: Please use String directlyreturn String(string.characters.suffix(half).reversed() + string.characters.prefix(half)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.suffix(half).reversed() + string.characters.prefix(half)) // 'characters' is unavailable: Please use String directlylet half = string.characters.count / 2 // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(half).reversed() + string.characters.suffix(half)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(half).reversed() + string.characters.suffix(half)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst().dropLast()) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst()) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropLast()) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(1) + string.characters) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(1) + string.characters) // 'characters' is unavailable: Please use String directlyreturn String(string.characters + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst() + string.characters.prefix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst() + string.characters.prefix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(string.characters.count - 1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(string.characters.count - 1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.prefix(string.characters.count - 1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst().dropLast() + string.characters.prefix(1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst().dropLast() + string.characters.prefix(1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyreturn String(string.characters.dropFirst().dropLast() + string.characters.prefix(1) + string.characters.suffix(1)) // 'characters' is unavailable: Please use String directlyfunc concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single string
// concatenate(numbers: [] as [Int]) == ""
// concatenate(numbers: [1, 2, 3]) == "123"
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
// Concatenate array of mixed types into a single string
// concatenate(mixed: [] as [Any]) == ""
// concatenate(mixed: [1, "a", 2, "b", 3]) == "1a2b3"
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(numbers: [])) // Output: ""
print(concatenate(numbers: [1, 2, 3])) // Output: "123"
print(concatenate(mixed: [])) // Output: ""
print(concatenate(mixed: [1, "a", 2, "b", 3])) // Output: "1a2b3"
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single string
// concatenate(numbers: [] as [Int]) == ""
// concatenate(numbers: [1, 2, 3]) == "123"
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
// Concatenate array of mixed types into a single string
// concatenate(mixed: [] as [Any]) == ""
// concatenate(mixed: [1, "a", 2, "b", 3]) == "1a2b3"
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}
// Example usage:
print(concatenate(strings: ["hello", "world"])) // Output: "helloworld"
print(concatenate(numbers: [1, 2, 3])) // Output: "123"
print(concatenate(mixed: [1, "a", 2, "b", 3])) // Output: "1a2b3"
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
func main() {
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(integers: [])) // Output: 0
print(concatenate(integers: [1, 2, 3])) // Output: 123
print(concatenate(arrays: [])) // Output: []
print(concatenate(arrays: [[1, 2], [3, 4]])) // Output: [1, 2, 3, 4]
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single integer
// concatenate(integers: [] as [Int]) == 0
// concatenate(integers: [1, 2, 3]) == 123
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
// Concatenate array of arrays into a single array
// concatenate(arrays: [] as [[Int]]) == []
// concatenate(arrays: [[1, 2], [3, 4]]) == [1, 2, 3, 4]
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
// Main function to test the generated functions
func main() {
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(integers: [])) // Output: 0
print(concatenate(integers: [1, 2, 3])) // Output: 123
print(concatenate(arrays: [])) // Output: []
print(concatenate(arrays: [[1, 2], [3, 4]])) // Output: [1, 2, 3, 4]
}
main()
```print(concatenate(arrays: [])) // Output: [] // generic parameter 'T' could not be inferredfunc concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single string
// concatenate(numbers: [] as [Int]) == ""
// concatenate(numbers: [1, 2, 3]) == "123"
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
// Concatenate array of mixed types into a single string
// concatenate(mixed: [] as [Any]) == ""
// concatenate(mixed: [1, "a", 2, "b", 3]) == "1a2b3"
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}
// Example usage:
print(concatenate(strings: ["hello", "world"])) // Output: "helloworld"
print(concatenate(numbers: [1, 2, 3])) // Output: "123"
print(concatenate(mixed: [1, "a", 2, "b", 3])) // Output: "1a2b3"
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> Int {
return numbers.reduce(0) { $0 * 10 + $1 }
}
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single integer
// concatenate(numbers: [] as [Int]) == 0
// concatenate(numbers: [1, 2, 3]) == 123
func concatenate(numbers: [Int]) -> Int {
return numbers.reduce(0) { $0 * 10 + $1 }
}
// Concatenate array of arrays into a single array
// concatenate(arrays: [] as [[Int]]) == []
// concatenate(arrays: [[1, 2], [3, 4]]) == [1, 2, 3, 4]
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(numbers: [])) // Output: 0
print(concatenate(numbers: [1, 2, 3])) // Output: 123
print(concatenate(arrays: [])) // Output: []
print(concatenate(arrays: [[1, 2], [3, 4]])) // Output: [1, 2, 3, 4]
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single string
// concatenate(numbers: [] as [Int]) == ""
// concatenate(numbers: [1, 2, 3]) == "123"
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
// Concatenate array of mixed types into a single string
// concatenate(mixed: [] as [Any]) == ""
// concatenate(mixed: [1, "a", 2, "b", 3]) == "1a2b3"
func concatenate(mixed: [Any]) -> String {
return mixed.map { String(describing: $0) }.reduce("", +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(numbers: [])) // Output: ""
print(concatenate(numbers: [1, 2, 3])) // Output: "123"
print(concatenate(mixed: [])) // Output: ""
print(concatenate(mixed: [1, "a", 2, "b", 3])) // Output: "1a2b3"
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
func main() {
// Test concatenate function with strings
let stringResult = concatenate(strings: ["hello", " ", "world"])
print(stringResult) // Output: "hello world"
// Test concatenate function with integers
let integerResult = concatenate(integers: [1, 2, 3, 4])
print(integerResult) // Output: 1234
// Test concatenate function with arrays
let arrayResult = concatenate(arrays: [[1, 2], [3, 4], [5]])
print(arrayResult) // Output: [1, 2, 3, 4, 5]
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single integer
// concatenate(integers: [] as [Int]) == 0
// concatenate(integers: [1, 2, 3]) == 123
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
// Concatenate array of arrays into a single array
// concatenate(arrays: [] as [[Int]]) == []
// concatenate(arrays: [[1, 2], [3, 4], [5]]) == [1, 2, 3, 4, 5]
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
// Main function to test the generated functions
func main() {
// Test concatenate function with strings
let stringResult = concatenate(strings: ["hello", " ", "world"])
print(stringResult) // Output: "hello world"
// Test concatenate function with integers
let integerResult = concatenate(integers: [1, 2, 3, 4])
print(integerResult) // Output: 1234
// Test concatenate function with arrays
let arrayResult = concatenate(arrays: [[1, 2], [3, 4], [5]])
print(arrayResult) // Output: [1, 2, 3, 4, 5]
}
// Run the main function to perform the tests
main()
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> Int {
return numbers.reduce(0) { $0 * 10 + $1 }
}
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single integer
// concatenate(numbers: [] as [Int]) == 0
// concatenate(numbers: [1, 2, 3]) == 123
func concatenate(numbers: [Int]) -> Int {
return numbers.reduce(0) { $0 * 10 + $1 }
}
// Concatenate array of arrays into a single array
// concatenate(arrays: [] as [[Int]]) == []
// concatenate(arrays: [[1, 2], [3, 4]]) == [1, 2, 3, 4]
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(numbers: [])) // Output: 0
print(concatenate(numbers: [1, 2, 3])) // Output: 123
print(concatenate(arrays: [])) // Output: []
print(concatenate(arrays: [[1, 2], [3, 4]])) // Output: [1, 2, 3, 4]
```func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
func concatenate(mixed: [Any]) -> String {
return mixed.map(String.init).reduce("", +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single string
// concatenate(numbers: [] as [Int]) == ""
// concatenate(numbers: [1, 2, 3]) == "123"
func concatenate(numbers: [Int]) -> String {
return numbers.map(String.init).reduce("", +)
}
// Concatenate array of mixed types into a single string
// concatenate(mixed: [] as [Any]) == ""
// concatenate(mixed: [1, "a", 2, "b", 3]) == "1a2b3"
func concatenate(mixed: [Any]) -> String {
return mixed.map(String.init).reduce("", +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(numbers: [])) // Output: ""
print(concatenate(numbers: [1, 2, 3])) // Output: "123"
print(concatenate(mixed: [])) // Output: ""
print(concatenate(mixed: [1, "a", 2, "b", 3])) // Output: "1a2b3"
```return mixed.map(String.init).reduce("", +) // type of expression is ambiguous without a type annotationfunc concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}```swift
// Concatenate array of strings into a single string
// concatenate(strings: [] as [String]) == ""
// concatenate(strings: ["a", "b", "c"]) == "abc"
func concatenate(strings: [String]) -> String {
return strings.reduce("", +)
}
// Concatenate array of integers into a single integer
// concatenate(integers: [] as [Int]) == 0
// concatenate(integers: [1, 2, 3]) == 123
func concatenate(integers: [Int]) -> Int {
return integers.reduce(0) { $0 * 10 + $1 }
}
// Concatenate array of arrays into a single array
// concatenate(arrays: [] as [[Int]]) == []
// concatenate(arrays: [[1, 2], [3, 4]]) == [1, 2, 3, 4]
func concatenate<T>(arrays: [[T]]) -> [T] {
return arrays.reduce([], +)
}
// Example usage:
print(concatenate(strings: [])) // Output: ""
print(concatenate(strings: ["a", "b", "c"])) // Output: "abc"
print(concatenate(integers: [])) // Output: 0
print(concatenate(integers: [1, 2, 3])) // Output: 123
print(concatenate(arrays: [])) // Output: []
print(concatenate(arrays: [[1, 2], [3, 4]])) // Output: [1, 2, 3, 4]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let inputArray = ["apple", "banana", "apricot", "cherry", "avocado"]
let prefixToFilter = "a"
let filteredArray = filterByPrefix(strings: inputArray, prefix: prefixToFilter)
print(filteredArray) // Output: ["apple", "apricot", "avocado"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let filteredStrings = filterByPrefix(strings: ["apple", "banana", "apricot", "cherry"], prefix: "ap")
print(filteredStrings) // Output: ["apple", "apricot"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let exampleArray = ["apple", "banana", "apricot", "cherry", "avocado"]
let filteredArray = filterByPrefix(strings: exampleArray, prefix: "a")
print(filteredArray) // Output: ["apple", "apricot", "avocado"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let filteredStrings = filterByPrefix(strings: ["apple", "banana", "apricot", "cherry"], prefix: "ap")
print(filteredStrings) // Output: ["apple", "apricot"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let filteredStrings = filterByPrefix(strings: ["apple", "banana", "apricot", "cherry"], prefix: "ap")
print(filteredStrings) // Output: ["apple", "apricot"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let filteredStrings = filterByPrefix(strings: ["apple", "banana", "apricot", "cherry"], prefix: "ap")
print(filteredStrings) // Output: ["apple", "apricot"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let filteredStrings = filterByPrefix(strings: ["apple", "banana", "apricot", "cherry"], prefix: "ap")
print(filteredStrings) // Output: ["apple", "apricot"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
func main() {
let testCases = [
(["abc", "bcd", "cde", "array"], "a", ["abc", "array"]),
(["apple", "banana", "apricot", "cherry"], "a", ["apple", "apricot"]),
(["hello", "world", "hey", "hola"], "h", ["hello", "hola"]),
([], "a", []),
(["prefix", "suffix", "prepend"], "pre", ["prefix", "prepend"])
]
for (inputStrings, inputPrefix, expectedOutput) in testCases {
let result = filterByPrefix(strings: inputStrings, prefix: inputPrefix)
assert(result == expectedOutput, "Test failed for input: \(inputStrings) with prefix: \(inputPrefix)")
print("Test passed for input: \(inputStrings) with prefix: \(inputPrefix)")
}
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Main function to test the generated function
func main() {
let testCases = [
(["abc", "bcd", "cde", "array"], "a", ["abc", "array"]),
(["apple", "banana", "apricot", "cherry"], "a", ["apple", "apricot"]),
(["hello", "world", "hey", "hola"], "h", ["hello", "hola"]),
([], "a", []),
(["prefix", "suffix", "prepend"], "pre", ["prefix", "prepend"])
]
for (inputStrings, inputPrefix, expectedOutput) in testCases {
let result = filterByPrefix(strings: inputStrings, prefix: inputPrefix)
assert(result == expectedOutput, "Test failed for input: \(inputStrings) with prefix: \(inputPrefix)")
print("Test passed for input: \(inputStrings) with prefix: \(inputPrefix)")
}
}
main()
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let exampleArray = ["apple", "banana", "apricot", "cherry", "avocado"]
let filteredArray = filterByPrefix(strings: exampleArray, prefix: "a")
print(filteredArray) // Output: ["apple", "apricot", "avocado"]
```func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}```swift
// Filter an input array of strings only for ones that start with a given prefix.
// filterByPrefix(strings: [] as [String], prefix: "a") == [] as [String]
// filterByPrefix(strings: ["abc", "bcd", "cde", "array"], prefix: "a") == ["abc", "array"]
func filterByPrefix(strings: [String], prefix: String) -> [String] {
return strings.filter { $0.hasPrefix(prefix) }
}
// Example usage:
let exampleArray = ["apple", "banana", "apricot", "cherry", "avocado"]
let filteredArray = filterByPrefix(strings: exampleArray, prefix: "a")
print(filteredArray) // Output: ["apple", "apricot", "avocado"]
```func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
```func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
return Array(Set(l))
}
func getDivisibleByThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
func getDivisibleByFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getDivisibleBySeven(l: [Int]) -> [Int] {
return l.filter { $0 % 7 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [0, 2, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 3, 9, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6]) == [-1, 2, -4, 5, 6]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
return Array(Set(l))
}
// Return only numbers that are divisible by 3 in the array.
// getDivisibleByThree(l: [-1, 2, -4, 5, 6]) == []
// getDivisibleByThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [3, 9, 123]
func getDivisibleByThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are divisible by 5 in the array.
// getDivisibleByFive(l: [-1, 2, -4, 5, 6]) == []
// getDivisibleByFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, -10]
func getDivisibleByFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are divisible by 7 in the array.
// getDivisibleBySeven(l: [-1, 2, -4, 5, 6]) == []
// getDivisibleBySeven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == []
func getDivisibleBySeven(l: [Int]) -> [Int] {
return l.filter { $0 % 7 == 0 }
}
// Return only numbers that are divisible by 11 in the array.
// getDivisibleByEleven(l: [-1, 2, -4, 5, 6]) == []
// getDivisibleByEleven(l: [5, 3, -5, 2,func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 3, 9, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6, -1]) == [-1, 2, -4, 5, 6]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 9, 0]) == [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOfFive(l: [-1, 2, -4, 5, 6]) == [5]
// getMultipleOfFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, -10]
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOfThree(l: [-1, 2, -4, 5, 6]) == []
// getMultipleOfThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [3, 9, 123]
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 2 in the array.
// getMultipleOfTwo(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getMultipleOfTwo(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only numbers that are multiplesfunc getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 3, 9, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6]) == [-1, 2, -4, 5, 6]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOfFive(l: [-1, 2, -4, 5, 6]) == [5]
// getMultipleOfFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, -5, -10]
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOfThree(l: [-1, 2, -4, 5, 6]) == []
// getMultipleOfThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [3, -3, 9, -10]
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 2 in the array.
// getMultipleOfTwo(l: [-1, 2, -4, 5, 6]) == [-4]
// getMultipleOfTwo(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only numbers that are multiples of 7 in the array.
// getMultipleOfSevenfunc getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-1, 2, -4, 5, 6, 1]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 32, 1]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10, 32]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOfFive(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [5, 5]
// getMultipleOfFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 32, 1]) == [5, 5, 5, 5, 5, 5]
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOfThree(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == []
// getMultipleOfThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 32, 1]) == [3, 9, 123, 1, -10, 32]
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 2 in the array.
// getMultipleOfTwo(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-4, 2, 2, 1]
// getMultipleOfTwo(l: [5, 3, -5, func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOf5(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOf3(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 9, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-1, 2, -4, 5, 6, 1]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 9, 3]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOf5(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [5, 5]
// getMultipleOf5(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 9, 3]) == [5, 5, 0, 5]
func getMultipleOf5(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOf3(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-4, 6]
// getMultipleOf3(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 9, 3]) == [3, 9, 3]
func getMultipleOf3(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 2 in the array.
// getMultipleOf2(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-4, 2, 2, 6]
// getMultipleOf2(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
```func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [0, 2, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6]) == [-1, 2, -4, 5, 6]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOfFive(l: [-1, 2, -4, 5, 6]) == [5]
// getMultipleOfFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, -10]
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOfThree(l: [-1, 2, -4, 5, 6]) == []
// getMultipleOfThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [3, 9, 123]
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 2 in the array.
// getMultipleOfTwo(l: [-1, 2, -4, 5, 6]) == [2]
// getMultipleOfTwo(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [0, 2, -10]
func getMultipleOfTwo(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only numbers that are multiples of 7 in the array.
// getMultipleOfSeven(l: [-1, 2,func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
func getMultipleOfSeven(l: [Int]) -> [Int] {
return l.filter { $0 % 7 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6, 5, 2, 1]) == [-1, 2, -4, 5, 6, 1]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 32, 32]) == [5, 3, -5, 2, -3, 9, 0, 123, 1, -10, 32]
func getUnique(l: [Int]) -> [Int] {
var uniqueNumbers = [Int]()
for number in l {
if !uniqueNumbers.contains(number) {
uniqueNumbers.append(number)
}
}
return uniqueNumbers
}
// Return only numbers that are multiples of 5 in the array.
// getMultipleOfFive(l: [-1, 2, -4, 5, 6]) == [5]
// getMultipleOfFive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, -10]
func getMultipleOfFive(l: [Int]) -> [Int] {
return l.filter { $0 % 5 == 0 }
}
// Return only numbers that are multiples of 3 in the array.
// getMultipleOfThree(l: [-1, 2, -4, 5, 6]) == []
// getMultipleOfThree(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [3, 9, 123, -10]
func getMultipleOfThree(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are multiples of 7 in the array.
// getMultipleOfSeven(l: [-1, 2, -4, 5, 6]) == []
// getMultipleOfSeven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == []
func getMultipleOfSeven(l: [Int]) -> [Int] {
return l.filter { $0 % 7 == 0 }
}
// Return only numbers that are multiples of 11 infunc getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
func getUnique(l: [Int]) -> [Int] {
return Array(Set(l))
}
func getRepeated(l: [Int]) -> [Int] {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
return counts.filter { $0.value > 1 }.map { $0.key }
}
func getDivisibleBy3(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}```swift
// Return only positive numbers in the array.
// getPositive(l: [-1, 2, -4, 5, 6]) == [2, 5, 6]
// getPositive(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 2, 3, 9, 123, 1]
func getPositive(l: [Int]) -> [Int] {
return l.filter { $0 > 0 }
}
// Return only negative numbers in the array.
// getNegative(l: [-1, 2, -4, 5, 6]) == [-1, -4]
// getNegative(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-5, -3, -3, -10]
func getNegative(l: [Int]) -> [Int] {
return l.filter { $0 < 0 }
}
// Return only even numbers in the array.
// getEven(l: [-1, 2, -4, 5, 6]) == [2, -4]
// getEven(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [2, 0, -10]
func getEven(l: [Int]) -> [Int] {
return l.filter { $0 % 2 == 0 }
}
// Return only odd numbers in the array.
// getOdd(l: [-1, 2, -4, 5, 6]) == [-1, 5, 6]
// getOdd(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [5, 3, 5, 3, 9, 1]
func getOdd(l: [Int]) -> [Int] {
return l.filter { $0 % 2 != 0 }
}
// Return only unique numbers in the array.
// getUnique(l: [-1, 2, -4, 5, 6, 5, 2]) == [-1, 2, -4, 5, 6]
// getUnique(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 2, 9, 123]) == [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]
func getUnique(l: [Int]) -> [Int] {
return Array(Set(l))
}
// Return only repeated numbers in the array.
// getRepeated(l: [-1, 2, -4, 5, 6, 5, 2]) == [5, 2]
// getRepeated(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 2, 9, 123]) == [5, 3, 9, 123]
func getRepeated(l: [Int]) -> [Int] {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
return counts.filter { $0.value > 1 }.map { $0.key }
}
// Return only numbers that are divisible by 3 in the array.
// getDivisibleBy3(l: [-1, 2, -4, 5, 6, 5, 2]) == [6]
// getDivisibleBy3(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 2, 9, 123]) == [3, 9, 123]
func getDivisibleBy3(l: [Int]) -> [Int] {
return l.filter { $0 % 3 == 0 }
}
// Return only numbers that are divisible by 5 in the array.
// getDivisibleBy5(l: [-1, 2, -4, 5, 6, 5, 2]) == [5]
// getDivisibleBy5(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10, 5, 2, 9, 123]) == [5, func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(isPrime(n: 6)) // Output: false
print(isPrime(n: 101)) // Output: true
print(isPrime(n: 11)) // Output: true
print(isPrime(n: 13441))// Output: true
print(isPrime(n: 61)) // Output: true
print(isPrime(n: 4)) // Output: false
print(isPrime(n: 1)) // Output: false
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("Is \(number) a prime number? \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("Is \(number) a prime number? \(isPrime(n: number))")
}
}
// Run the main function to test
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(isPrime(n: 6)) // Output: false
print(isPrime(n: 101)) // Output: true
print(isPrime(n: 11)) // Output: true
print(isPrime(n: 13441))// Output: true
print(isPrime(n: 61)) // Output: true
print(isPrime(n: 4)) // Output: false
print(isPrime(n: 1)) // Output: false
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("Is \(number) prime? \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("Is \(number) prime? \(isPrime(n: number))")
}
}
// Run the main function to test
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(isPrime(n: 6)) // Output: false
print(isPrime(n: 101)) // Output: true
print(isPrime(n: 11)) // Output: true
print(isPrime(n: 13441))// Output: true
print(isPrime(n: 61)) // Output: true
print(isPrime(n: 4)) // Output: false
print(isPrime(n: 1)) // Output: false
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}
// Run the main function to test
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Main function to test the isPrime function
func main() {
let testNumbers = [6, 101, 11, 13441, 61, 4, 1]
for number in testNumbers {
print("isPrime(n: \(number)) == \(isPrime(n: number))")
}
}
main()
```func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Return true if a given number is prime, and false otherwise.
// isPrime(n: 6) == false
// isPrime(n: 101) == true
// isPrime(n: 11) == true
// isPrime(n: 13441) == true
// isPrime(n: 61) == true
// isPrime(n: 4) == false
// isPrime(n: 1) == false
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(isPrime(n: 6)) // Output: false
print(isPrime(n: 101)) // Output: true
print(isPrime(n: 11)) // Output: true
print(isPrime(n: 13441))// Output: true
print(isPrime(n: 61)) // Output: true
print(isPrime(n: 4)) // Output: false
print(isPrime(n: 1)) // Output: false
```func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices: [Int] = []
for i in stride(from: 0, to: l.count, by: 3) {
sortedIndices.append(i)
}
sortedIndices.sort()
for i in sortedIndices {
result[i] = l[i]
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices: [Int] = []
for i in stride(from: 0, to: l.count, by: 3) {
sortedIndices.append(i)
}
sortedIndices.sort()
for i in sortedIndices {
result[i] = l[i]
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output should be [2, 6, 3, 4, 8, 9, 5]
``` // XCTAssertTrue failedfunc sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for i in thirdIndices {
let start = l[i..<min(i + 3, l.count)]
let sortedStart = start.sorted()
result.replaceSubrange(i..<min(i + 3, l.count), with: sortedStart)
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for i in thirdIndices {
let start = l[i..<min(i + 3, l.count)]
let sortedStart = start.sorted()
result.replaceSubrange(i..<min(i + 3, l.count), with: sortedStart)
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output: [2, 6, 3, 4, 8, 9, 5]
``` // XCTAssertTrue failedfunc sortThird(l: [Int]) -> [Int] {
var sortedArray = l
let indicesToSort = l.indices.filter { $0 % 3 == 0 }
let sortedValues = indicesToSort.map { sortedArray[$0] }.sorted()
for (index, value) in zip(indicesToSort, sortedValues) {
sortedArray[index] = value
}
return sortedArray
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var sortedArray = l
let indicesToSort = l.indices.filter { $0 % 3 == 0 }
let sortedValues = indicesToSort.map { sortedArray[$0] }.sorted()
for (index, value) in zip(indicesToSort, sortedValues) {
sortedArray[index] = value
}
return sortedArray
}
// Example usage:
let exampleArray = [5, 6, 3, 4, 8, 9, 2]
let sortedExampleArray = sortThird(l: exampleArray)
print(sortedExampleArray) // Output: [2, 6, 3, 4, 8, 9, 5]
```func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices: [Int] = []
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
sortedIndices.sort()
var sortedValues = sortedIndices.map { l[$0] }
sortedValues.sort()
for (i, index) in sortedIndices.enumerated() {
result[index] = sortedValues[i]
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices: [Int] = []
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
sortedIndices.sort()
var sortedValues = sortedIndices.map { l[$0] }
sortedValues.sort()
for (i, index) in sortedIndices.enumerated() {
result[index] = sortedValues[i]
}
return result
}
// Example usage:
let exampleArray = [5, 6, 3, 4, 8, 9, 2]
let sortedArray = sortThird(l: exampleArray)
print(sortedArray) // Output: [2, 6, 3, 4, 8, 9, 5]
```func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find all indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
// Sort the values at the found indices
let sortedValues = sortedIndices.map { l[$0] }.sorted()
// Replace the values at the sorted indices in the result array
for (index, value) in sortedIndices.enumerated() {
result[value] = sortedValues[index]
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find all indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
// Sort the values at the found indices
let sortedValues = sortedIndices.map { l[$0] }.sorted()
// Replace the values at the sorted indices in the result array
for (index, value) in sortedIndices.enumerated() {
result[value] = sortedValues[index]
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output: [2, 6, 3, 4, 8, 9, 5]
```func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find the indices that are divisible by three
for (index, value) in l.enumerated() {
if index % 3 == 0 {
sortedIndices.append(index)
}
}
// Sort the values at the found indices
sortedIndices.sort()
// Replace the values at the sorted indices in the result array
for (index, sortedIndex) in sortedIndices.enumerated() {
result[sortedIndex] = l[sortedIndex]
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find the indices that are divisible by three
for (index, value) in l.enumerated() {
if index % 3 == 0 {
sortedIndices.append(index)
}
}
// Sort the values at the found indices
sortedIndices.sort()
// Replace the values at the sorted indices in the result array
for (index, sortedIndex) in sortedIndices.enumerated() {
result[sortedIndex] = l[sortedIndex]
}
return result
}
// Example usage:
let exampleArray = [5, 6, 3, 4, 8, 9, 2]
let sortedArray = sortThird(l: exampleArray)
print(sortedArray) // Output: [2, 6, 3, 4, 8, 9, 5]
```for (index, value) in l.enumerated() { // immutable value 'value' was never used; consider replacing with '_' or removing itfor (index, sortedIndex) in sortedIndices.enumerated() { // immutable value 'index' was never used; consider replacing with '_' or removing it // XCTAssertTrue failedfunc sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find all indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
// Sort the values at these indices
let sortedValues = sortedIndices.map { l[$0] }.sorted()
// Replace the values at the sorted indices in the result array
for (index, value) in sortedIndices.enumerated() {
result[value] = sortedValues[index]
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var sortedIndices = [Int]()
// Find all indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
sortedIndices.append(i)
}
}
// Sort the values at these indices
let sortedValues = sortedIndices.map { l[$0] }.sorted()
// Replace the values at the sorted indices in the result array
for (index, value) in sortedIndices.enumerated() {
result[value] = sortedValues[index]
}
return result
}
// Example usage:
let exampleArray = [5, 6, 3, 4, 8, 9, 2]
let sortedArray = sortThird(l: exampleArray)
print(sortedArray) // Output: [2, 6, 3, 4, 8, 9, 5]
```func sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for index in thirdIndices {
let sortedSublist = l[index..<min(index + 3, l.count)].sorted()
for (i, value) in sortedSublist.enumerated() {
result[index + i] = value
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for index in thirdIndices {
let sortedSublist = l[index..<min(index + 3, l.count)].sorted()
for (i, value) in sortedSublist.enumerated() {
result[index + i] = value
}
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output: [2, 6, 3, 4, 8, 9, 5]
``` // XCTAssertTrue failedfunc sortThird(l: [Int]) -> [Int] {
var result = l
let indices = l.indices.filter { $0 % 3 == 0 }
for index in indices {
let sortedSublist = l[index..<min(index + 3, l.count)].sorted()
result.replaceSubrange(index..<min(index + 3, l.count), with: sortedSublist)
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
let indices = l.indices.filter { $0 % 3 == 0 }
for index in indices {
let sortedSublist = l[index..<min(index + 3, l.count)].sorted()
result.replaceSubrange(index..<min(index + 3, l.count), with: sortedSublist)
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output: [2, 6, 3, 4, 8, 9, 5]
``` // XCTAssertTrue failedfunc sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for index in thirdIndices {
let start = index
let end = min(index + 3, l.count)
let sublist = Array(l[start..<end])
let sortedSublist = sublist.sorted()
result.replaceSubrange(start..<end, with: sortedSublist)
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
// to the values of the corresponding indicies of l, but sorted.
// sortThird(l: [1, 2, 3]) == [1, 2, 3]
// sortThird(l: [5, 6, 3, 4, 8, 9, 2]) == [2, 6, 3, 4, 8, 9, 5]
func sortThird(l: [Int]) -> [Int] {
var result = l
var thirdIndices = [Int]()
// Find the indices that are divisible by three
for i in 0..<l.count {
if i % 3 == 0 {
thirdIndices.append(i)
}
}
// Sort the values at the found indices
for index in thirdIndices {
let start = index
let end = min(index + 3, l.count)
let sublist = Array(l[start..<end])
let sortedSublist = sublist.sorted()
result.replaceSubrange(start..<end, with: sortedSublist)
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4, 8, 9, 2]
let sortedList = sortThird(l: exampleList)
print(sortedList) // Output: [2, 6, 3, 4, 8, 9, 5]
``` // XCTAssertTrue failedfunc unique(l: [Int]) -> [Int] {
var uniqueElements = [Int]()
var seenElements = Set<Int>()
for element in l {
if !seenElements.contains(element) {
seenElements.insert(element)
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var uniqueElements = [Int]()
var seenElements = Set<Int>()
for element in l {
if !seenElements.contains(element) {
seenElements.insert(element)
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}
// Example usage:
let exampleArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let sortedUniqueArray = unique(l: exampleArray)
print(sortedUniqueArray) // Output: [0, 2, 3, 5, 9, 123]
```func unique(l: [Int]) -> [Int] {
var uniqueElements = Set<Int>()
for element in l {
uniqueElements.insert(element)
}
return Array(uniqueElements).sorted()
}
func intersect(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.intersection(setB)).sorted()
}
func union(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.union(setB)).sorted()
}
func difference(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.subtracting(setB)).sorted()
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var uniqueElements = Set<Int>()
for element in l {
uniqueElements.insert(element)
}
return Array(uniqueElements).sorted()
}
// Return the intersection of two arrays
// intersect(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 91]) == [2, 3, 5, 9]
func intersect(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.intersection(setB)).sorted()
}
// Return the union of two arrays
// union(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 91]) == [0, 2, 3, 5, 9, 91, 99, 123]
func union(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.union(setB)).sorted()
}
// Return the difference of two arrays
// difference(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 91]) == [0, 91, 99, 123]
func difference(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
return Array(setA.subtracting(setB)).sorted()
}
// Example usage:
let arrayA = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let arrayB = [9, 5, 3, 2, 99, 91]
print("Unique elements in arrayA: \(unique(l: arrayA))")
print("Intersection of arrayA and arrayB: \(intersect(a: arrayA, b: arrayB))")
print("Union of arrayA and arrayB: \(union(a: arrayA, b: arrayB))")
print("Difference of arrayA and arrayB: \(difference(a: arrayA, b: arrayB))")
```func unique(l: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for item in l {
if !seen.contains(item) {
seen.insert(item)
result.append(item)
}
}
return result.sorted()
}
func intersect(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let intersection = setA.intersection(setB)
return Array(intersection).sorted()
}
func union(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let union = setA.union(setB)
return Array(union).sorted()
}
func difference(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let difference = setA.subtracting(setB)
return Array(difference).sorted()
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var seen = Set<Int>()
var result = [Int]()
for item in l {
if !seen.contains(item) {
seen.insert(item)
result.append(item)
}
}
return result.sorted()
}
// Return the intersection of two arrays
// intersect(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 0]) == [0, 2, 3, 5]
func intersect(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let intersection = setA.intersection(setB)
return Array(intersection).sorted()
}
// Return the union of two arrays
// union(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 0]) == [0, 2, 3, 5, 9, 99, 123]
func union(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let union = setA.union(setB)
return Array(union).sorted()
}
// Return the difference of two arrays
// difference(a: [5, 3, 5, 2, 3, 3, 9, 0, 123], b: [9, 5, 3, 2, 99, 0]) == [123]
func difference(a: [Int], b: [Int]) -> [Int] {
let setA = Set(a)
let setB = Set(b)
let difference = setA.subtracting(setB)
return Array(difference).sorted()
}
// Example usage:
let arrayA = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let arrayB = [9, 5, 3, 2, 99, 0]
print("Unique elements in arrayA: \(unique(l: arrayA))")
print("Intersection of arrayA and arrayB: \(intersect(a: arrayA, b: arrayB))")
print("Union of arrayA and arrayB: \(union(a: arrayA, b: arrayB))")
print("Difference of arrayA and arrayB: \(difference(a: arrayA, b: arrayB))")
```func unique(l: [Int]) -> [Int] {
var uniqueElements = Set<Int>()
for element in l {
uniqueElements.insert(element)
}
return Array(uniqueElements).sorted()
}
func main() {
let exampleArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let sortedUniqueArray = unique(l: exampleArray)
print(sortedUniqueArray)
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var uniqueElements = Set<Int>()
for element in l {
uniqueElements.insert(element)
}
return Array(uniqueElements).sorted()
}
// Main function to test the unique function
func main() {
let exampleArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let sortedUniqueArray = unique(l: exampleArray)
print(sortedUniqueArray)
}
// Execute the main function
main()
```func unique(l: [Int]) -> [Int] {
var result: [Int] = []
for item in l {
if !result.contains(item) {
result.append(item)
}
}
return result.sorted()
}
func main() {
let testArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let uniqueArray = unique(l: testArray)
print(uniqueArray) // Output: [0, 2, 3, 5, 9, 123]
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var result: [Int] = []
for item in l {
if !result.contains(item) {
result.append(item)
}
}
return result.sorted()
}
// Main function to test the unique function
func main() {
let testArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let uniqueArray = unique(l: testArray)
print(uniqueArray) // Output: [0, 2, 3, 5, 9, 123]
}
main() // Call the main function to execute the test
```func unique(l: [Int]) -> [Int] {
return Array(Set(l)).sorted()
}
func intersect(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).intersection(Set(l2)))
}
func union(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).union(Set(l2)))
}
func difference(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).subtracting(Set(l2)))
}
func symmetricDifference(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).symmetricDifference(Set(l2)))
}
func cartesianProduct(l1: [Int], l2: [Int]) -> [(Int, Int)] {
var result = [(Int, Int)]()
for i in l1 {
for j in l2 {
result.append((i, j))
}
}
return result
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
return Array(Set(l)).sorted()
}
// Return the intersection of two arrays
// intersect(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9]
func intersect(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).intersection(Set(l2)))
}
// Return the union of two arrays
// union(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func union(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).union(Set(l2)))
}
// Return the difference of two arrays
// difference(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == []
func difference(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).subtracting(Set(l2)))
}
// Return the symmetric difference of two arrays
// symmetricDifference(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == []
func symmetricDifference(l1: [Int], l2: [Int]) -> [Int] {
return Array(Set(l1).symmetricDifference(Set(l2)))
}
// Return the cartesian product of two arrays
// cartesianProduct(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [(5, 5), (5, 3), (5, 2), (5, 9), (5, 0), (5, 123), (3, 5), (3, 3), (3, 2), (3, 9), (3, 0), (3, 123), (2, 5), (2, 3), (2, 2), (2, 9), (2, 0), (2, 123), (9, 5), (9, 3), (9, 2), (9, 9), (9, 0), (9, 123), (0, 5), (0, 3), (0, 2), (0, 9), (0, 0), (0, 123), (123, 5), (123, 3), (123, 2), (123, 9), (123, 0), (123, 123)]
func cartesianProduct(l1: [Int], l2: [Int]) -> [(Int, Int)] {
var result = [(Int, Int)]()
for i in l1 {
for j in l2 {
result.append((i, j))
}
}
return result
}
// Return the cartesian product of an array with itself
// cartesianProductWithSelf(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [(5, 5), (5, 3), (5, 2), (5, 9), (5, 0), (5, 123), (3, 5), (3, 3), (3, 2), (3, 9), (3, 0), (3, 123), (2, 5), (2, 3), (2, 2), (2func unique(l: [Int]) -> [Int] {
var result = [Int]()
var seen = Set<Int>()
for item in l {
if !seen.contains(item) {
seen.insert(item)
result.append(item)
}
}
return result.sorted()
}
func intersection(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.intersection(set2)).sorted()
}
func union(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.union(set2)).sorted()
}
func difference(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.subtracting(set2)).sorted()
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var result = [Int]()
var seen = Set<Int>()
for item in l {
if !seen.contains(item) {
seen.insert(item)
result.append(item)
}
}
return result.sorted()
}
// Return the intersection of two arrays
// intersection(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 167, 0]) == [0, 2, 3, 5, 9]
func intersection(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.intersection(set2)).sorted()
}
// Return the union of two arrays
// union(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 167, 0]) == [0, 2, 3, 5, 9, 123, 167]
func union(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.union(set2)).sorted()
}
// Return the difference between two arrays
// difference(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 167, 0]) == [123, 167]
func difference(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
return Array(set1.subtracting(set2)).sorted()
}
// Example usage:
let list1 = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let list2 = [9, 5, 3, 2, 167, 0]
print("Unique elements in list1: \(unique(l: list1))")
print("Intersection of list1 and list2: \(intersection(l1: list1, l2: list2))")
print("Union of list1 and list2: \(union(l1: list1, l2: list2))")
print("Difference between list1 and list2: \(difference(l1: list1, l2: list2))")
```func unique(l: [Int]) -> [Int] {
var result: [Int] = []
for item in l {
if !result.contains(item) {
result.append(item)
}
}
return result.sorted()
}
func intersection(l1: [Int], l2: [Int]) -> [Int] {
var result: [Int] = []
for item in l1 {
if l2.contains(item) {
result.append(item)
}
}
return unique(l: result)
}
func union(l1: [Int], l2: [Int]) -> [Int] {
return unique(l: l1 + l2)
}
func difference(l1: [Int], l2: [Int]) -> [Int] {
var result: [Int] = []
for item in l1 {
if !l2.contains(item) {
result.append(item)
}
}
return unique(l: result)
}
func symmetricDifference(l1: [Int], l2: [Int]) -> [Int] {
return difference(l1: union(l1: l1, l2: l2), l2: intersection(l1: l1, l2: l2))
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var result: [Int] = []
for item in l {
if !result.contains(item) {
result.append(item)
}
}
return result.sorted()
}
// Return the intersection of two arrays
// intersection(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 5, 42]) == [2, 3, 5, 9]
func intersection(l1: [Int], l2: [Int]) -> [Int] {
var result: [Int] = []
for item in l1 {
if l2.contains(item) {
result.append(item)
}
}
return unique(l: result)
}
// Return the union of two arrays
// union(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 5, 42]) == [0, 2, 3, 5, 9, 42, 123]
func union(l1: [Int], l2: [Int]) -> [Int] {
return unique(l: l1 + l2)
}
// Return the difference of two arrays
// difference(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 5, 42]) == [0, 123]
func difference(l1: [Int], l2: [Int]) -> [Int] {
var result: [Int] = []
for item in l1 {
if !l2.contains(item) {
result.append(item)
}
}
return unique(l: result)
}
// Return the symmetric difference of two arrays
// symmetricDifference(l1: [5, 3, 5, 2, 3, 3, 9, 0, 123], l2: [9, 5, 3, 2, 5, 42]) == [0, 9, 42, 123]
func symmetricDifference(l1: [Int], l2: [Int]) -> [Int] {
return difference(l1: union(l1: l1, l2: l2), l2: intersection(l1: l1, l2: l2))
}
// Example usage:
let l1 = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let l2 = [9, 5, 3, 2, 5, 42]
print("Intersection:", intersection(l1: l1, l2: l2))
print("Union:", union(l1: l1, l2: l2))
print("Difference:", difference(l1: l1, l2: l2))
print("Symmetric Difference:", symmetricDifference(l1: l1, l2: l2))
```func unique(l: [Int]) -> [Int] {
var uniqueElements = [Int]()
var seenElements = Set<Int>()
for element in l {
if !seenElements.contains(element) {
seenElements.insert(element)
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}
func main() {
let exampleArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
print(unique(l: exampleArray))
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var uniqueElements = [Int]()
var seenElements = Set<Int>()
for element in l {
if !seenElements.contains(element) {
seenElements.insert(element)
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}
// Main function to test the unique function
func main() {
let exampleArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
print(unique(l: exampleArray))
}
main() // Output: [0, 2, 3, 5, 9, 123]
```func unique(l: [Int]) -> [Int] {
var uniqueElements: [Int] = []
for element in l {
if !uniqueElements.contains(element) {
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}
func main() {
let testArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let result = unique(l: testArray)
print(result) // Output: [0, 2, 3, 5, 9, 123]
}```swift
// Return sorted unique elements in an array
// unique(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 5, 9, 123]
func unique(l: [Int]) -> [Int] {
var uniqueElements: [Int] = []
for element in l {
if !uniqueElements.contains(element) {
uniqueElements.append(element)
}
}
return uniqueElements.sorted()
}
// Main function to test the unique function
func main() {
let testArray = [5, 3, 5, 2, 3, 3, 9, 0, 123]
let result = unique(l: testArray)
print(result) // Output: [0, 2, 3, 5, 9, 123]
}
main() // Run the test function
```func maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return the sum of all elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of all elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of all elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 12.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return the median of all elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Return the mode of all elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
// Return the range of all elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the standard deviation of all elements in the array.
// standardDeviationElements(l: [1, 2, 3]) == 1
// standardDeviationElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 55.0
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
```func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 0 {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
} else {
return Double(sortedList[count / 2])
}
}
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max() ?? 0
return frequency.first(where: { $0.value == maxFrequency })?.key ?? 0
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
// Return sum of elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return product of elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return average of elements in the array.
// averageElements(l: [1, 2, 3]) == 2.0
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 16.0
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return median of elements in the array.
// medianElements(l: [1, 2, 3]) == 2.0
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 1.0
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 0 {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
} else {
return Double(sortedList[count / 2])
}
}
// Return mode of elements in the array.
// modeElements(l: [1, 2, 3]) == 0
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max() ?? 0
return frequency.first(where: { $0.value == maxFrequency })?.key ?? 0
}
// Return range of elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 122
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return standard deviation of elements in the array.
// stdDevElements(l: [1, 2, 3]) == 1.0
// stdDevElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 84.0
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
// Return variance of elements in the array.
// varElements(lfunc maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Int {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
return sortedList[middleIndex]
}
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func varianceElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return variance
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return sum of elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return product of elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return average of elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 16.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return median of elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func medianElements(l: [Int]) -> Int {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
return sortedList[middleIndex]
}
// Return mode of elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
// Return range of elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return variance of elements in the array.
// varianceElements(l: [1, 2, 3]) == 1.0
// varianceElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 1056.8
func varianceElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return variance
}
// Return standard deviation of elements in the array.
// standardDeviationElements(l: [1, 2, 3]) == 1.0
// standardDeviationElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 33.0
func standardDeviationElements(l: [Int])func maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.first(where: { $0.value == maxCount })!.key
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return sum of elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return product of elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return average of elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 16.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return median of elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 2
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Return mode of elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.first(where: { $0.value == maxCount })!.key
}
// Return range of elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return standard deviation of elements in the array.
// standardDeviationElements(l: [1, 2, 3]) == 1
// standardDeviationElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 60.0
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
// Return variance of elements in the array.
// varianceElements(l: [1, 2, 3]) == 1
// varianceElements(func maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func countElements(l: [Int]) -> Int {
return l.count
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(countElements(l: l))
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.filter { $0.value == maxCount }.keys.first!
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return sum of all elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return product of all elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the number of elements in the array.
// countElements(l: [1, 2, 3]) == 3
// countElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 11
func countElements(l: [Int]) -> Int {
return l.count
}
// Return the average of all elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 18.0
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(countElements(l: l))
}
// Return the median of all elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3.0
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
// Return the mode of all elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.filter { $0.value == maxCount }.keys.first!
}
// Return the range of all elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the variance of all elements in the array.
// varianceElements(l: [1, 2, 3]) == 1.0
// varianceElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 1070.0
funcfunc maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
func modeElements(l: [Int]) -> [Int] {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.filter { $0.value == maxCount }.map { $0.key }
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return the sum of all elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of all elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of all elements in the array.
// averageElements(l: [1, 2, 3]) == 2.0
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 12.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return the median of all elements in the array.
// medianElements(l: [1, 2, 3]) == 2.0
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3.0
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Return the mode of all elements in the array.
// modeElements(l: [1, 2, 3]) == [3]
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == [-3, 3]
func modeElements(l: [Int]) -> [Int] {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max()!
return counts.filter { $0.value == maxCount }.map { $0.key }
}
// Return the range of all elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the standard deviation of all elements in the array.
// stdDevElements(l: [1, 2, 3]) == 1.0
// stdDevElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 86.0
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
// Example usage:
letfunc maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
func sumOfElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productOfElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageOfElements(l: [Int]) -> Double {
guard !l.isEmpty else { return 0.0 }
return Double(l.reduce(0, +)) / Double(l.count)
}
func medianOfElements(l: [Int]) -> Double {
guard !l.isEmpty else { return 0.0 }
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
// Return the sum of all elements in the array.
// sumOfElements(l: [1, 2, 3]) == 6
// sumOfElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumOfElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of all elements in the array.
// productOfElements(l: [1, 2, 3]) == 6
// productOfElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productOfElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of all elements in the array.
// averageOfElements(l: [1, 2, 3]) == 2.0
// averageOfElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 12.8
func averageOfElements(l: [Int]) -> Double {
guard !l.isEmpty else { return 0.0 }
return Double(l.reduce(0, +)) / Double(l.count)
}
// Return the median of all elements in the array.
// medianOfElements(l: [1, 2, 3]) == 2.0
// medianOfElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 2.0
func medianOfElements(l: [Int]) -> Double {
guard !l.isEmpty else { return 0.0 }
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
// Example usage:
let exampleList = [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]
print("Maximum element: \(maxElement(l: exampleList))")
print("Minimum element: \(minElement(l: exampleList))")
print("Sum of elements: \(sumOfElements(l: exampleList))")
print("Product of elements: \(productOfElements(l: exampleList))")
print("Average of elements: \(averageOfElements(l: exampleList))")
print("Median of elements: \(medianOfElements(l: exampleList))")
```func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max() ?? 0
return counts.first(where: { $0.value == maxCount })?.key ?? 0
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func varianceElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return variance
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
// Return the sum of the elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of the elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of the elements in the array.
// averageElements(l: [1, 2, 3]) == 2.0
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 16.0
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return the median of the elements in the array.
// medianElements(l: [1, 2, 3]) == 2.0
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3.0
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
// Return the mode of the elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxCount = counts.values.max() ?? 0
return counts.first(where: { $0.value == maxCount })?.key ?? 0
}
// Return the range of the elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the variance of the elements in the array.
// varianceElements(l: [1, 2, 3]) == 1.0
// varianceElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 1050.0
func varianceElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return variance
}
// Return the standard deviation of the elements in the arrayfunc maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Int {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
return sortedList[middleIndex]
}
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max() ?? 0
return frequency.first(where: { $0.value == maxFrequency })?.key ?? 0
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max() ?? 0
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min() ?? 0
}
// Return the sum of all elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of all elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of all elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 16.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return the median of all elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func medianElements(l: [Int]) -> Int {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
return sortedList[middleIndex]
}
// Return the mode of all elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max() ?? 0
return frequency.first(where: { $0.value == maxFrequency })?.key ?? 0
}
// Return the range of all elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the standard deviation of all elements in the array.
// standardDeviationElements(l: [1, 2, 3]) == 1.0
// standardDeviationElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 86.0
func standardDeviationElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
```func maxElement(l: [Int]) -> Int {
return l.max()!
}
func minElement(l: [Int]) -> Int {
return l.min()!
}
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}```swift
// Return maximum element in the array.
// maxElement(l: [1, 2, 3]) == 3
// maxElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func maxElement(l: [Int]) -> Int {
return l.max()!
}
// Return minimum element in the array.
// minElement(l: [1, 2, 3]) == 1
// minElement(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == -10
func minElement(l: [Int]) -> Int {
return l.min()!
}
// Return the sum of all elements in the array.
// sumElements(l: [1, 2, 3]) == 6
// sumElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 128
func sumElements(l: [Int]) -> Int {
return l.reduce(0, +)
}
// Return the product of all elements in the array.
// productElements(l: [1, 2, 3]) == 6
// productElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 0
func productElements(l: [Int]) -> Int {
return l.reduce(1, *)
}
// Return the average of all elements in the array.
// averageElements(l: [1, 2, 3]) == 2
// averageElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 18.8
func averageElements(l: [Int]) -> Double {
return Double(sumElements(l: l)) / Double(l.count)
}
// Return the median of all elements in the array.
// medianElements(l: [1, 2, 3]) == 2
// medianElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func medianElements(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 1 {
return Double(sortedList[count / 2])
} else {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
}
}
// Return the mode of all elements in the array.
// modeElements(l: [1, 2, 3]) == 1
// modeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 3
func modeElements(l: [Int]) -> Int {
let frequency = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
let maxFrequency = frequency.values.max()!
return frequency.first(where: { $0.value == maxFrequency })!.key
}
// Return the range of all elements in the array.
// rangeElements(l: [1, 2, 3]) == 2
// rangeElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 123
func rangeElements(l: [Int]) -> Int {
return maxElement(l: l) - minElement(l: l)
}
// Return the standard deviation of all elements in the array.
// stdDevElements(l: [1, 2, 3]) == 1
// stdDevElements(l: [5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10]) == 88.0
func stdDevElements(l: [Int]) -> Double {
let mean = averageElements(l: l)
let variance = l.reduce(0) { $0 + pow(Double($1) - mean, 2) } / Double(l.count)
return sqrt(variance)
}
```func fizzBuzz(n: Int) -> Int {
return (1..<n).filter { $0 % 11 == 0 || $0 % 13 == 0 }.map { String($0) }.filter { $0.contains("7") }.count
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).filter { $0 % 11 == 0 || $0 % 13 == 0 }.map { String($0) }.filter { $0.contains("7") }.count
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
``` // XCTAssertTrue failedfunc fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Expected output: 0
print(fizzBuzz(n: 78)) // Expected output: 2
print(fizzBuzz(n: 79)) // Expected output: 3
```func fizzBuzz(n: Int) -> Int {
return (0..<n).reduce(0) { count, num in
if num % 11 == 0 || num % 13 == 0 {
return count + String(num).filter { $0 == "7" }.count
} else {
return count
}
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (0..<n).reduce(0) { count, num in
if num % 11 == 0 || num % 13 == 0 {
return count + String(num).filter { $0 == "7" }.count
} else {
return count
}
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Expected output: 0
print(fizzBuzz(n: 78)) // Expected output: 2
print(fizzBuzz(n: 79)) // Expected output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, i in
return count + (i % 11 == 0 || i % 13 == 0 ? String(i).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, i in
return count + (i % 11 == 0 || i % 13 == 0 ? String(i).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, num in
return count + (num % 11 == 0 || num % 13 == 0 ? String(num).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, num in
return count + (num % 11 == 0 || num % 13 == 0 ? String(num).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
if number % 11 == 0 || number % 13 == 0 {
return count + String(number).filter { $0 == "7" }.count
} else {
return count
}
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
if number % 11 == 0 || number % 13 == 0 {
return count + String(number).filter { $0 == "7" }.count
} else {
return count
}
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, i in
return count + (i % 11 == 0 || i % 13 == 0 ? String(i).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, i in
return count + (i % 11 == 0 || i % 13 == 0 ? String(i).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).reduce(0) { count, number in
return count + (number % 11 == 0 || number % 13 == 0 ? String(number).filter { $0 == "7" }.count : 0)
}
}
// Example usage:
print(fizzBuzz(n: 50)) // Expected output: 0
print(fizzBuzz(n: 78)) // Expected output: 2
print(fizzBuzz(n: 79)) // Expected output: 3
```func fizzBuzz(n: Int) -> Int {
return (1..<n).filter { $0 % 11 == 0 || $0 % 13 == 0 }.map { String($0) }.reduce(0) { $0 + $1.contains("7") ? 1 : 0 }
}```swift
// Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
// fizzBuzz(n: 50) == 0
// fizzBuzz(n: 78) == 2
// fizzBuzz(n: 79) == 3
func fizzBuzz(n: Int) -> Int {
return (1..<n).filter { $0 % 11 == 0 || $0 % 13 == 0 }.map { String($0) }.reduce(0) { $0 + $1.contains("7") ? 1 : 0 }
}
// Example usage:
print(fizzBuzz(n: 50)) // Output: 0
print(fizzBuzz(n: 78)) // Output: 2
print(fizzBuzz(n: 79)) // Output: 3
```func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.indices.filter { $0 % 2 == 0 }
let sortedEvens = l[evenIndices].sorted()
var result = Array(repeating: 0, count: l.count)
var evenIndex = 0
for (index, value) in l.enumerated() {
if index % 2 == 0 {
result[index] = sortedEvens[evenIndex]
evenIndex += 1
} else {
result[index] = value
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.indices.filter { $0 % 2 == 0 }
let sortedEvens = l[evenIndices].sorted()
var result = Array(repeating: 0, count: l.count)
var evenIndex = 0
for (index, value) in l.enumerated() {
if index % 2 == 0 {
result[index] = sortedEvens[evenIndex]
evenIndex += 1
} else {
result[index] = value
}
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4]
let sortedList = sortEven(l: exampleList)
print(sortedList) // Output: [3, 6, 5, 4]
```let sortedEvens = l[evenIndices].sorted() // no exact matches in call to subscriptfunc sortEven(l: [Int]) -> [Int] {
// Extract the even and odd indexed elements of the array
let evenIndices = Array(l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element })
let oddIndices = Array(l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element })
// Sort the even indexed elements
let sortedEvenIndices = evenIndices.sorted()
// Interleave the sorted even and odd indexed elements
var interleavedList = [Int]()
for i in 0..<max(sortedEvenIndices.count, oddIndices.count) {
if i < sortedEvenIndices.count {
interleavedList.append(sortedEvenIndices[i])
}
if i < oddIndices.count {
interleavedList.append(oddIndices[i])
}
}
return interleavedList
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
// Extract the even and odd indexed elements of the array
let evenIndices = Array(l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element })
let oddIndices = Array(l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element })
// Sort the even indexed elements
let sortedEvenIndices = evenIndices.sorted()
// Interleave the sorted even and odd indexed elements
var interleavedList = [Int]()
for i in 0..<max(sortedEvenIndices.count, oddIndices.count) {
if i < sortedEvenIndices.count {
interleavedList.append(sortedEvenIndices[i])
}
if i < oddIndices.count {
interleavedList.append(oddIndices[i])
}
}
return interleavedList
}
// Example usage:
let exampleList = [5, 6, 3, 4]
print(sortEven(l: exampleList)) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
var result = l
for (index, value) in sortedEvens.enumerated() {
result[index * 2] = value
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
var result = l
for (index, value) in sortedEvens.enumerated() {
result[index * 2] = value
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4]
let sortedList = sortEven(l: exampleList)
print(sortedList) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
var result = l
for (index, value) in sortedEvens.enumerated() {
result[index * 2] = value
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
var result = l
for (index, value) in sortedEvens.enumerated() {
result[index * 2] = value
}
return result
}
// Example usage:
let exampleArray = [5, 6, 3, 4]
let sortedArray = sortEven(l: exampleArray)
print(sortedArray) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Interleave the sorted evens with the original odds
var result: [Int] = []
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(l[i])
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Interleave the sorted evens with the original odds
var result: [Int] = []
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(l[i])
}
}
return result
}
// Example usage:
let exampleArray = [5, 6, 3, 4]
let sortedArray = sortEven(l: exampleArray)
print(sortedArray) // Output: [3, 6, 5, 4]
```var oddIndex = 0 // initialization of variable 'oddIndex' was never used; consider replacing with assignment to '_' or removing itfunc sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Create a new array with the sorted evens in place and the original odds
var sortedList = [Int]()
var evenIndex = 0
for (index, value) in l.enumerated() {
if index % 2 == 0 {
sortedList.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
sortedList.append(value)
}
}
return sortedList
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Create a new array with the sorted evens in place and the original odds
var sortedList = [Int]()
var evenIndex = 0
for (index, value) in l.enumerated() {
if index % 2 == 0 {
sortedList.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
sortedList.append(value)
}
}
return sortedList
}
// Example usage:
let exampleList = [5, 6, 3, 4]
print(sortEven(l: exampleList)) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
let oddIndices = l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element }
var result = [Int]()
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(oddIndices[oddIndex])
oddIndex += 1
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
let oddIndices = l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element }
var result = [Int]()
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(oddIndices[oddIndex])
oddIndex += 1
}
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4]
let sortedList = sortEven(l: exampleList)
print(sortedList) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Create a new array with the sorted evens in place and the original odds
var sortedArray = [Int]()
var evenIndex = 0
for (index, element) in l.enumerated() {
if index % 2 == 0 {
sortedArray.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
sortedArray.append(element)
}
}
return sortedArray
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Create a new array with the sorted evens in place and the original odds
var sortedArray = [Int]()
var evenIndex = 0
for (index, element) in l.enumerated() {
if index % 2 == 0 {
sortedArray.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
sortedArray.append(element)
}
}
return sortedArray
}
// Example usage:
let exampleArray = [5, 6, 3, 4]
print(sortEven(l: exampleArray)) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
let oddIndices = l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element }
var result = [Int]()
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(oddIndices[oddIndex])
oddIndex += 1
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
let evenIndices = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let sortedEvens = evenIndices.sorted()
let oddIndices = l.enumerated().filter { $0.offset % 2 != 0 }.map { $0.element }
var result = [Int]()
var evenIndex = 0
var oddIndex = 0
for i in 0..<l.count {
if i % 2 == 0 {
result.append(sortedEvens[evenIndex])
evenIndex += 1
} else {
result.append(oddIndices[oddIndex])
oddIndex += 1
}
}
return result
}
// Example usage:
let exampleList = [5, 6, 3, 4]
let sortedList = sortEven(l: exampleList)
print(sortedList) // Output: [3, 6, 5, 4]
```func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Interleave the sorted evens with the original odds
var result: [Int] = []
var evenIndex = 0
var oddIndex = 0
while evenIndex < sortedEvens.count || oddIndex < l.count {
if evenIndex < sortedEvens.count {
result.append(sortedEvens[evenIndex])
evenIndex += 1
}
if oddIndex < l.count && oddIndex % 2 != 0 {
result.append(l[oddIndex])
oddIndex += 1
}
}
return result
}```swift
// This function takes an array l and returns an array l' such that
// l' is identical to l in the odd indicies, while its values at the even indicies are equal
// to the values of the even indicies of l, but sorted.
// sortEven(l: [1, 2, 3]) == [1, 2, 3]
// sortEven(l: [5, 6, 3, 4]) == [3, 6, 5, 4]
func sortEven(l: [Int]) -> [Int] {
// Extract the even-indexed elements and sort them
let sortedEvens = l.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }.sorted()
// Interleave the sorted evens with the original odds
var result: [Int] = []
var evenIndex = 0
var oddIndex = 0
while evenIndex < sortedEvens.count || oddIndex < l.count {
if evenIndex < sortedEvens.count {
result.append(sortedEvens[evenIndex])
evenIndex += 1
}
if oddIndex < l.count && oddIndex % 2 != 0 {
result.append(l[oddIndex])
oddIndex += 1
}
}
return result
}
// Example usage:
print(sortEven(l: [1, 2, 3])) // Output: [1, 2, 3]
print(sortEven(l: [5, 6, 3, 4])) // Output: [3, 6, 5, 4]
```func primeFib(n: Int) -> Int {
var fib = [Int]()
var i = 0
while fib.count < n {
if isPrime(i) {
fib.append(i)
}
i += 1
}
return fib[n - 1]
}
func isPrime(num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fib = [Int]()
var i = 0
while fib.count < n {
if isPrime(i) {
fib.append(i)
}
i += 1
}
return fib[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
```if isPrime(i) { // missing argument label 'num:' in callfunc primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5, 13, 89]
var count = 5
var i = 0
while count < n {
let nextFibNumber = fibNumbers[i] + fibNumbers[i + 1]
if isPrime(number: nextFibNumber) {
fibNumbers.append(nextFibNumber)
count += 1
}
i += 1
}
return fibNumbers[n - 1]
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5, 13, 89]
var count = 5
var i = 0
while count < n {
let nextFibNumber = fibNumbers[i] + fibNumbers[i + 1]
if isPrime(number: nextFibNumber) {
fibNumbers.append(nextFibNumber)
count += 1
}
i += 1
}
return fibNumbers[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // XCTAssertTrue failedfunc primeFib(n: Int) -> Int {
var fibNumbers = [Int]()
var fibNumber = 1
while fibNumbers.count < n {
if isPrime(number: fibNumber) {
fibNumbers.append(fibNumber)
}
fibNumber = fibNumber + fibNumbers.last!
}
return fibNumbers.last!
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers = [Int]()
var fibNumber = 1
while fibNumbers.count < n {
if isPrime(number: fibNumber) {
fibNumbers.append(fibNumber)
}
fibNumber = fibNumber + fibNumbers.last!
}
return fibNumbers.last!
}
// isPrime checks if a number is prime.
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5]
var currentFib = 13
var currentPrime = 89
var count = 5
while count < n {
currentFib += currentPrime
currentPrime = nextPrime(currentPrime)
fibNumbers.append(currentFib)
count += 1
}
return fibNumbers[n - 1]
}
func nextPrime(_ number: Int) -> Int {
var nextNumber = number + 1
while !isPrime(nextNumber) {
nextNumber += 1
}
return nextNumber
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5]
var currentFib = 13
var currentPrime = 89
var count = 5
while count < n {
currentFib += currentPrime
currentPrime = nextPrime(currentPrime)
fibNumbers.append(currentFib)
count += 1
}
return fibNumbers[n - 1]
}
func nextPrime(_ number: Int) -> Int {
var nextNumber = number + 1
while !isPrime(nextNumber) {
nextNumber += 1
}
return nextNumber
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // Fatal error: Index out of rangefunc primeFib(n: Int) -> Int {
var fib = [2, 3, 5, 13, 89]
if n <= 5 {
return fib[n - 1]
}
var i = 5
while i < n {
let nextFib = fib[i - 1] + fib[i - 2]
if isPrime(nextFib) {
fib.append(nextFib)
}
i += 1
}
return fib[n - 1]
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fib = [2, 3, 5, 13, 89]
if n <= 5 {
return fib[n - 1]
}
var i = 5
while i < n {
let nextFib = fib[i - 1] + fib[i - 2]
if isPrime(nextFib) {
fib.append(nextFib)
}
i += 1
}
return fib[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // Fatal error: Index out of rangefunc primeFib(n: Int) -> Int {
var fibSequence: [Int] = [2, 3, 5, 13, 89]
if n <= 5 {
return fibSequence[n - 1]
}
var i = 5
while i < n {
let nextFib = fibSequence[i - 1] + fibSequence[i - 2]
if isPrime(nextFib) {
fibSequence.append(nextFib)
}
i += 1
}
return fibSequence[n - 1]
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibSequence: [Int] = [2, 3, 5, 13, 89]
if n <= 5 {
return fibSequence[n - 1]
}
var i = 5
while i < n {
let nextFib = fibSequence[i - 1] + fibSequence[i - 2]
if isPrime(nextFib) {
fibSequence.append(nextFib)
}
i += 1
}
return fibSequence[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // Fatal error: Index out of rangefunc primeFib(n: Int) -> Int {
var fibNumbers: [Int] = [2, 3, 5, 13, 89]
var i = 5
while fibNumbers.count < n {
if isPrime(number: i) {
fibNumbers.append(i)
}
i += 1
}
return fibNumbers[n - 1]
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers: [Int] = [2, 3, 5, 13, 89]
var i = 5
while fibNumbers.count < n {
if isPrime(number: i) {
fibNumbers.append(i)
}
i += 1
}
return fibNumbers[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // XCTAssertTrue failedfunc primeFib(n: Int) -> Int {
var fibSequence = [1, 1]
var count = 2
var i = 2
while count < n {
i += 1
let nextFib = fibSequence[i-1] + fibSequence[i-2]
if isPrime(nextFib) {
fibSequence.append(nextFib)
count += 1
}
}
return fibSequence[n-1]
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibSequence = [1, 1]
var count = 2
var i = 2
while count < n {
i += 1
let nextFib = fibSequence[i-1] + fibSequence[i-2]
if isPrime(nextFib) {
fibSequence.append(nextFib)
count += 1
}
}
return fibSequence[n-1]
}
// isPrime checks if a number is prime.
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
``` // XCTAssertTrue failedfunc primeFib(n: Int) -> Int {
var fibNumbers = [Int]()
var i = 0
while fibNumbers.count < n {
if isPrime(number: fibonacci(n: i)) {
fibNumbers.append(fibonacci(n: i))
}
i += 1
}
return fibNumbers.last!
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
func fibonacci(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 1
} else {
return fibonacci(n: n - 1) + fibonacci(n: n - 2)
}
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers = [Int]()
var i = 0
while fibNumbers.count < n {
if isPrime(number: fibonacci(n: i)) {
fibNumbers.append(fibonacci(n: i))
}
i += 1
}
return fibNumbers.last!
}
// isPrime checks if a number is prime.
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// fibonacci returns the n-th Fibonacci number.
func fibonacci(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 1
} else {
return fibonacci(n: n - 1) + fibonacci(n: n - 2)
}
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
```func primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5]
var currentFibNumber = 13
var currentFibIndex = 3
while currentFibIndex < n {
currentFibNumber = fibNumbers[currentFibIndex - 1] + fibNumbers[currentFibIndex - 2] + fibNumbers[currentFibIndex - 3]
if isPrime(number: currentFibNumber) {
fibNumbers.append(currentFibNumber)
currentFibIndex += 1
}
}
return fibNumbers[n - 1]
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// prime_fib returns n-th number that is a Fibonacci number and it's also prime.
// primeFib(n: 1) == 2
// primeFib(n: 2) == 3
// primeFib(n: 3) == 5
// primeFib(n: 4) == 13
// primeFib(n: 5) == 89
func primeFib(n: Int) -> Int {
var fibNumbers = [2, 3, 5]
var currentFibNumber = 13
var currentFibIndex = 3
while currentFibIndex < n {
currentFibNumber = fibNumbers[currentFibIndex - 1] + fibNumbers[currentFibIndex - 2] + fibNumbers[currentFibIndex - 3]
if isPrime(number: currentFibNumber) {
fibNumbers.append(currentFibNumber)
currentFibIndex += 1
}
}
return fibNumbers[n - 1]
}
// isPrime checks if a number is prime.
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(primeFib(n: 1)) // Output: 2
print(primeFib(n: 2)) // Output: 3
print(primeFib(n: 3)) // Output: 5
print(primeFib(n: 4)) // Output: 13
print(primeFib(n: 5)) // Output: 89
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
// main function to test triplesSumToZero function
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}
main()
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
// main function to test triplesSumToZero
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}
main()
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
// Example usage:
print(triplesSumToZero(l: [1, 3, 5, 0])) // Output: false
print(triplesSumToZero(l: [1, 3, -2, 1])) // Output: true
print(triplesSumToZero(l: [1, 2, 3, 7])) // Output: false
print(triplesSumToZero(l: [2, 4, -5, 3, 9, 7])) // Output: true
print(triplesSumToZero(l: [1])) // Output: false
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
// Example usage:
print(triplesSumToZero(l: [1, 3, 5, 0])) // Output: false
print(triplesSumToZero(l: [1, 3, -2, 1])) // Output: true
print(triplesSumToZero(l: [1, 2, 3, 7])) // Output: false
print(triplesSumToZero(l: [2, 4, -5, 3, 9, 7])) // Output: true
print(triplesSumToZero(l: [1])) // Output: false
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count-2 {
for j in i+1..<l.count-1 {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count-2 {
for j in i+1..<l.count-1 {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
// main function to test triplesSumToZero function
func main() {
assert(triplesSumToZero(l: [1, 3, 5, 0]) == false)
assert(triplesSumToZero(l: [1, 3, -2, 1]) == true)
assert(triplesSumToZero(l: [1, 2, 3, 7]) == false)
assert(triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true)
assert(triplesSumToZero(l: [1]) == false)
print("All tests passed!")
}
main()
``` // Fatal error: Range requires lowerBound <= upperBoundfunc triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
```func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}```swift
// triples_sum_to_zero takes an array of integers as an input.
// it returns true if there are three distinct elements in the array that
// sum to zero, and false otherwise.
// triplesSumToZero(l: [1, 3, 5, 0]) == false
// triplesSumToZero(l: [1, 3, -2, 1]) == true
// triplesSumToZero(l: [1, 2, 3, 7]) == false
// triplesSumToZero(l: [2, 4, -5, 3, 9, 7]) == true
// triplesSumToZero(l: [1]) == false
func triplesSumToZero(l: [Int]) -> Bool {
for i in 0..<l.count {
for j in i+1..<l.count {
for k in j+1..<l.count {
if l[i] + l[j] + l[k] == 0 {
return true
}
}
}
}
return false
}
```func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j {
if i < j {
collisions += 1
}
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j {
if i < j {
collisions += 1
}
}
}
}
return collisions
}
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 0..<n {
for j in 0..<n {
if i != j {
if i < j {
collisions += 1
}
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 0..<n {
for j in 0..<n {
if i != j {
if i < j {
collisions += 1
}
}
}
}
return collisions
}
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}
// Example usage:
let n = 3
let collisions = carRaceCollision(n: n)
print("Number of collisions for \(n) cars: \(collisions)")
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
// Initialize the cars' positions.
var leftPositions = Array(repeating: 0, count: n)
var rightPositions = Array(repeating: 0, count: n)
// Set the initial positions of the cars.
for i in 0..<n {
leftPositions[i] = i
rightPositions[i] = n - i - 1
}
// Initialize the number of collisions.
var collisions = 0
// Simulate the cars' movements.
while true {
// Check for collisions.
for i in 0..<n {
if leftPositions[i] == rightPositions[i] {
collisions += 1
// Remove the collided cars.
leftPositions.remove(at: i)
rightPositions.remove(at: i)
n -= 1
}
}
// If there are no more cars, break the loop.
if n == 0 {
break
}
// Move the cars.
for i in 0..<n {
leftPositions[i] += 1
rightPositions[i] -= 1
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
// Initialize the cars' positions.
var leftPositions = Array(repeating: 0, count: n)
var rightPositions = Array(repeating: 0, count: n)
// Set the initial positions of the cars.
for i in 0..<n {
leftPositions[i] = i
rightPositions[i] = n - i - 1
}
// Initialize the number of collisions.
var collisions = 0
// Simulate the cars' movements.
while true {
// Check for collisions.
for i in 0..<n {
if leftPositions[i] == rightPositions[i] {
collisions += 1
// Remove the collided cars.
leftPositions.remove(at: i)
rightPositions.remove(at: i)
n -= 1
}
}
// If there are no more cars, break the loop.
if n == 0 {
break
}
// Move the cars.
for i in 0..<n {
leftPositions[i] += 1
rightPositions[i] -= 1
}
}
return collisions
}
// Example usage:
let n = 3
let collisions = carRaceCollision(n: n)
print("Number of collisions: \(collisions)")
```n -= 1 // left side of mutating operator isn't mutable: 'n' is a 'let' constantfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: n - 1, count: n)
while leftToRight.count > 0 && rightToLeft.count > 0 {
let leftCar = leftToRight.removeFirst()
let rightCar = rightToLeft.removeLast()
if leftCar < rightCar {
collisions += 1
rightToLeft.append(rightCar - 1)
} else if leftCar > rightCar {
collisions += 1
leftToRight.append(leftCar + 1)
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: n - 1, count: n)
while leftToRight.count > 0 && rightToLeft.count > 0 {
let leftCar = leftToRight.removeFirst()
let rightCar = rightToLeft.removeLast()
if leftCar < rightCar {
collisions += 1
rightToLeft.append(rightCar - 1)
} else if leftCar > rightCar {
collisions += 1
leftToRight.append(leftCar + 1)
}
}
return collisions
}
// Example usage:
let n = 5
let collisions = carRaceCollision(n: n)
print("Number of collisions: \(collisions)")
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: 0, count: n)
// Initialize the positions of the cars
for i in 0..<n {
leftToRight[i] = i
rightToLeft[i] = n - i - 1
}
// Simulate the collisions
for i in 0..<n {
for j in i+1..<n {
if leftToRight[i] < rightToLeft[j] {
collisions += 1
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: 0, count: n)
// Initialize the positions of the cars
for i in 0..<n {
leftToRight[i] = i
rightToLeft[i] = n - i - 1
}
// Simulate the collisions
for i in 0..<n {
for j in i+1..<n {
if leftToRight[i] < rightToLeft[j] {
collisions += 1
}
}
}
return collisions
}
// Example usage:
let n = 5
let collisions = carRaceCollision(n: n)
print("Number of collisions: \(collisions)")
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
for i in 1...n {
for j in 1...n {
if i != j && i < j {
collisions += 1
}
}
}
return collisions
}
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(0...n)
var rightToLeft = Array(0...n)
while !leftToRight.isEmpty && !rightToLeft.isEmpty {
let leftCar = leftToRight.removeFirst()
let rightCar = rightToLeft.removeFirst()
if leftCar < rightCar {
collisions += 1
rightToLeft.insert(rightCar, at: 0)
} else {
collisions += 1
leftToRight.insert(leftCar, at: 0)
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var collisions = 0
var leftToRight = Array(0...n)
var rightToLeft = Array(0...n)
while !leftToRight.isEmpty && !rightToLeft.isEmpty {
let leftCar = leftToRight.removeFirst()
let rightCar = rightToLeft.removeFirst()
if leftCar < rightCar {
collisions += 1
rightToLeft.insert(rightCar, at: 0)
} else {
collisions += 1
leftToRight.insert(leftCar, at: 0)
}
}
return collisions
}
// Example usage:
let n = 3
let collisions = carRaceCollision(n: n)
print("Number of collisions: \(collisions)")
``` // XCTAssertTrue failedfunc carRaceCollision(n: Int) -> Int {
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: 0, count: n)
// Initialize the positions of the cars on the road.
for i in 0..<n {
leftToRight[i] = i
rightToLeft[i] = n - i - 1
}
var collisions = 0
// Simulate the collisions.
for i in 0..<n {
for j in i+1..<n {
if leftToRight[i] < rightToLeft[j] {
collisions += 1
}
}
}
return collisions
}```swift
// Imagine a road that's a perfectly straight infinitely long line.
// n cars are driving left to right; simultaneously, a different set of n cars
// are driving right to left. The two sets of cars start out being very far from
// each other. All cars move in the same speed. Two cars are said to collide
// when a car that's moving left to right hits a car that's moving right to left.
// However, the cars are infinitely sturdy and strong; as a result, they continue moving
// in their trajectory as if they did not collide.
// This function outputs the number of such collisions.
func carRaceCollision(n: Int) -> Int {
var leftToRight = Array(repeating: 0, count: n)
var rightToLeft = Array(repeating: 0, count: n)
// Initialize the positions of the cars on the road.
for i in 0..<n {
leftToRight[i] = i
rightToLeft[i] = n - i - 1
}
var collisions = 0
// Simulate the collisions.
for i in 0..<n {
for j in i+1..<n {
if leftToRight[i] < rightToLeft[j] {
collisions += 1
}
}
}
return collisions
}
// Example usage:
let n = 5
let collisions = carRaceCollision(n: n)
print("Number of collisions: \(collisions)")
``` // XCTAssertTrue failedfunc incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func absList(l: [Int]) -> [Int] {
return l.map { $0.magnitude }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 1406028]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements absolute value.
// absList(l: [1, -2, 3]) == [1, 2, 3]
// absList(l: [5, -3, 5, -2, 3, -3, 9, 0, -123]) == [5, 3, 5, 2, 3, 3, 9, 0, 123]
func absList(l: [Int]) -> [Int] {
return l.map { $0.magnitude }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.6, 2.4, 3.6, 3.5, 9.8, 0.1, 123.4]) == [5, 3return l.map { $0.magnitude } // cannot convert value of type 'UInt' to closure result type 'Int'func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func absList(l: [Int]) -> [Int] {
return l.map { $0.magnitude }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 91441]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements absolute value.
// absList(l: [1, -2, 3]) == [1, 2, 3]
// absList(l: [5, -3, 5, -2, 3, -3, 9, 0, -123]) == [5, 3, 5, 2, 3, 3, 9, 0, 123]
func absList(l: [Int]) -> [Int] {
return l.map { $0.magnitude }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.6, 2.7, 3.5, 3.4, 9.1, 0.9, 123.4]) == [5, 3,return l.map { $0.magnitude } // cannot convert value of type 'UInt' to closure result type 'Int'func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 91441]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3.9, 9.0, 0.0, 123.4]) == [5, 3, 6, 3, 4, 4, 9, 0, 123]
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}
// Return array with elements truncated to the nearest integer.
// truncList(l: [1.2, 2.5, 3.7]) == [1, 2, 3]
// truncList(l: [5.3, 3.2, 5.5, 2.7, 3.3func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func powerList(l: [Int], n: Int) -> [Int] {
return l.map { Int(pow(Double($0), Double(n))) }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 15241]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 14681]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements raised to the power of n.
// powerList(l: [1, 2, 3], n: 3) == [1, 8, 27]
// powerList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123], n: 2) == [25, 9, 25, 4, 9, 9, 81, 0, 15241]
func powerList(l: [Int], n: Int) -> [Int] {
return l.map { Int(pow(Double($0), Double(n))) }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func reverseList(l: [Int]) -> [Int] {
return l.reversed()
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 13313]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements reversed.
// reverseList(l: [1, 2, 3]) == [3, 2, 1]
// reverseList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [123, 0, 9, 3, 3, 3, 2, 5, 3]
func reverseList(l: [Int]) -> [Int] {
return l.reversed()
}
// Return array with elements sorted.
// sortList(l: [1, 2, 3]) == [1, 2, 3]
// sortList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [0, 2, 3, 3, 3, 5, 5, 9, 123]
func sortList(l: [Int]) -> [Intfunc incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 13313]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3.7, 9.1, 0.9, 123.4]) == [5, 3, 6, 3, 4, 4, 9, 1, 123]
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}
// Return array with elements rounded up to the nearest integer.
// ceilList(l: [1.2, 2.5, 3.7]) == [2, 3, 4]
// ceilList(l: [5.3, 3.2, 5.5, 2.7, 3func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func negateIfNegativeList(l: [Int]) -> [Int] {
return l.map { $0 < 0 ? -$0 : $0 }
}
func negateIfPositiveList(l: [Int]) -> [Int] {
return l.map { $0 > 0 ? -$0 : $0 }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements negated if they are negative, otherwise unchanged.
// negateIfNegativeList(l: [1, 2, 3]) == [1, 2, 3]
// negateIfNegativeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [5, 3, 5, 2, 3, 3, 9, 0, 123]
// negateIfNegativeList(l: [-5, -3, -5, -2, -3, -3, -9, 0, -123]) == [5, 3, 5, 2, 3, 3, 9, 0, 123]
func negateIfNegativeList(l: [Int]) -> [Int] {
return l.map { $0 < 0 ? -$0 : $0 }
}
// Return array with elements negated if they are positive, otherwise unchanged.
// negateIfPositiveList(l: [1, 2, 3]) == [-1, -2, -3]
// negateIfPositiveList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
// negateIfPositiveList(l: [-5, -3, -5, -2, -3, -3, -9, 0, -123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateIfPositiveList(l: [Int]) -> [Int] {
return l.map { $0 > 0 ? -$0 : $0 }
}
```func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 1406028]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3.7, 9.2, 0.2, 123.3]) == [5, 3, 6, 3, 4, 4, 9, 0, 123]
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}
// Return array with elements truncated to the nearest integer.
// truncateList(l: [1.2, 2.5, 3.7]) == [1, 2, 3]
// truncateList(l: [5.3, 3.2, 5.5, 2.7, func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func roundList(l: [Double]) -> [Int] {
return l.map { Int($0.rounded()) }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 91441]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3.7, 9.2, 0.7, 123.4]) == [5, 3, 6, 3, 4, 4, 9, 1, 123]
func roundList(l: [Double]) -> [Int] {
return l.map { Int($0.rounded()) }
}
// Return array with elements truncated to the nearest integer.
// truncateList(l: [1.2, 2.5, 3.7]) == [1, 2, 3]
// truncateList(l: [5.3, 3.2, 5.5, 2.7, func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}```swift
// Return array with elements incremented by 1.
// incrList(l: [1, 2, 3]) == [2, 3, 4]
// incrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [6, 4, 6, 3, 4, 4, 10, 1, 124]
func incrList(l: [Int]) -> [Int] {
return l.map { $0 + 1 }
}
// Return array with elements decremented by 1.
// decrList(l: [1, 2, 3]) == [0, 1, 2]
// decrList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [4, 2, 4, 1, 2, 2, 8, -1, 122]
func decrList(l: [Int]) -> [Int] {
return l.map { $0 - 1 }
}
// Return array with elements multiplied by 2.
// doubleList(l: [1, 2, 3]) == [2, 4, 6]
// doubleList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [10, 6, 10, 4, 6, 6, 18, 0, 246]
func doubleList(l: [Int]) -> [Int] {
return l.map { $0 * 2 }
}
// Return array with elements divided by 2.
// halfList(l: [1, 2, 3]) == [0, 1, 1]
// halfList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [2, 1, 2, 1, 1, 1, 4, 0, 61]
func halfList(l: [Int]) -> [Int] {
return l.map { $0 / 2 }
}
// Return array with elements squared.
// squareList(l: [1, 2, 3]) == [1, 4, 9]
// squareList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [25, 9, 25, 4, 9, 9, 81, 0, 16929]
func squareList(l: [Int]) -> [Int] {
return l.map { $0 * $0 }
}
// Return array with elements cubed.
// cubeList(l: [1, 2, 3]) == [1, 8, 27]
// cubeList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [125, 27, 125, 8, 27, 27, 729, 0, 1406028]
func cubeList(l: [Int]) -> [Int] {
return l.map { $0 * $0 * $0 }
}
// Return array with elements negated.
// negateList(l: [1, 2, 3]) == [-1, -2, -3]
// negateList(l: [5, 3, 5, 2, 3, 3, 9, 0, 123]) == [-5, -3, -5, -2, -3, -3, -9, 0, -123]
func negateList(l: [Int]) -> [Int] {
return l.map { -$0 }
}
// Return array with elements rounded to the nearest integer.
// roundList(l: [1.2, 2.5, 3.7]) == [1, 3, 4]
// roundList(l: [5.3, 3.2, 5.5, 2.7, 3.3, 3.7, 9.8, 0.1, 123.4]) == [5, 3, 6, 3, 4, 4, 10, 0, 123]
func roundList(l: [Double]) -> [Int] {
return l.map { Int(round($0)) }
}
// Return array with elements truncated to the nearest integer.
// truncateList(l: [1.2, 2.5, 3.7]) == [1, 2, 3]
// truncateList(l: [5.3, 3.2, 5.5, 2.7, func pairsSumToZero(l: [Int]) -> Bool {
// your code here
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// your code here
}
```} // missing return in global function expected to return 'Bool'func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements from the array
var seen = Set<Int>()
// Iterate over the array
for number in l {
// Check if the negation of the current number is in the set
if seen.contains(-number) {
// If so, we found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(number)
}
// If we reach this point, no pair sums to zero
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements from the array
var seen = Set<Int>()
// Iterate over the array
for number in l {
// Check if the negation of the current number is in the set
if seen.contains(-number) {
// If so, we found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(number)
}
// If we reach this point, no pair sums to zero
return false
}
// Example usage:
print(pairsSumToZero(l: [1, 3, 5, 0])) // Output: false
print(pairsSumToZero(l: [1, 3, -2, 1])) // Output: false
print(pairsSumToZero(l: [1, 2, 3, 7])) // Output: false
print(pairsSumToZero(l: [2, 4, -5, 3, 5, 7])) // Output: true
print(pairsSumToZero(l: [1])) // Output: false
```func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate through the array
for num in l {
// Check if the negation of the current number is in the set
if seen.contains(-num) {
return true
}
// Add the current number to the set
seen.insert(num)
}
// If no pair sums to zero, return false
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate through the array
for num in l {
// Check if the negation of the current number is in the set
if seen.contains(-num) {
return true
}
// Add the current number to the set
seen.insert(num)
}
// If no pair sums to zero, return false
return false
}
// Example usage:
print(pairsSumToZero(l: [1, 3, 5, 0])) // Output: false
print(pairsSumToZero(l: [1, 3, -2, 1])) // Output: false
print(pairsSumToZero(l: [1, 2, 3, 7])) // Output: false
print(pairsSumToZero(l: [2, 4, -5, 3, 5, 7])) // Output: true
print(pairsSumToZero(l: [1])) // Output: false
```func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate over the array
for number in l {
// Check if the negation of the current number is in the set
if seen.contains(-number) {
// If so, we found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(number)
}
// If we reach this point, no pair sums to zero
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate over the array
for number in l {
// Check if the negation of the current number is in the set
if seen.contains(-number) {
// If so, we found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(number)
}
// If we reach this point, no pair sums to zero
return false
}
// Example usage:
print(pairsSumToZero(l: [1, 3, 5, 0])) // Output: false
print(pairsSumToZero(l: [1, 3, -2, 1])) // Output: false
print(pairsSumToZero(l: [1, 2, 3, 7])) // Output: false
print(pairsSumToZero(l: [2, 4, -5, 3, 5, 7])) // Output: true
print(pairsSumToZero(l: [1])) // Output: false
```func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate over the array
for num in l {
// Check if the negation of the current number is in the set
if seen.contains(-num) {
// If so, we have found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(num)
}
// If we reach this point, no pair sums to zero
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Create a set to store unique elements
var seen = Set<Int>()
// Iterate over the array
for num in l {
// Check if the negation of the current number is in the set
if seen.contains(-num) {
// If so, we have found a pair that sums to zero
return true
}
// Add the current number to the set
seen.insert(num)
}
// If we reach this point, no pair sums to zero
return false
}
// Example usage:
print(pairsSumToZero(l: [1, 3, 5, 0])) // Output: false
print(pairsSumToZero(l: [1, 3, -2, 1])) // Output: false
print(pairsSumToZero(l: [1, 2, 3, 7])) // Output: false
print(pairsSumToZero(l: [2, 4, -5, 3, 5, 7])) // Output: true
print(pairsSumToZero(l: [1])) // Output: false
```func pairsSumToZero(l: [Int]) -> Bool {
// Your code here
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Your code here
return false
}
// Test cases
assert(pairsSumToZero(l: [1, 3, 5, 0]) == false, "Test case 1 failed")
assert(pairsSumToZero(l: [1, 3, -2, 1]) == false, "Test case 2 failed")
assert(pairsSumToZero(l: [1, 2, 3, 7]) == false, "Test case 3 failed")
assert(pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true, "Test case 4 failed")
assert(pairsSumToZero(l: [1]) == false, "Test case 5 failed")
print("All test cases passed!")
``` // XCTAssertTrue failedfunc pairsSumToZero(l: [Int]) -> Bool {
// TODO: Implement this function
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// TODO: Implement this function
return false
}
// Test cases
assert(pairsSumToZero(l: [1, 3, 5, 0]) == false)
assert(pairsSumToZero(l: [1, 3, -2, 1]) == false)
assert(pairsSumToZero(l: [1, 2, 3, 7]) == false)
assert(pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true)
assert(pairsSumToZero(l: [1]) == false)
``` // XCTAssertTrue failedfunc pairsSumToZero(l: [Int]) -> Bool {
// TODO: Implement this function.
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// TODO: Implement this function.
return false
}
``` // XCTAssertTrue failedfunc pairsSumToZero(l: [Int]) -> Bool {
// your code here
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// your code here
return false
}
// test cases
pairsSumToZero(l: [1, 3, 5, 0]) == false
pairsSumToZero(l: [1, 3, -2, 1]) == false
pairsSumToZero(l: [1, 2, 3, 7]) == false
pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
pairsSumToZero(l: [1]) == false
``` // XCTAssertTrue failedfunc pairsSumToZero(l: [Int]) -> Bool {
// Your code here
return false
}```swift
// pairs_sum_to_zero takes an array of integers as an input.
// it returns true if there are two distinct elements in the array that
// sum to zero, and false otherwise.
// pairsSumToZero(l: [1, 3, 5, 0]) == false
// pairsSumToZero(l: [1, 3, -2, 1]) == false
// pairsSumToZero(l: [1, 2, 3, 7]) == false
// pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true
// pairsSumToZero(l: [1]) == false
func pairsSumToZero(l: [Int]) -> Bool {
// Your code here
return false
}
// Test cases
assert(pairsSumToZero(l: [1, 3, 5, 0]) == false, "Test 1 failed")
assert(pairsSumToZero(l: [1, 3, -2, 1]) == false, "Test 2 failed")
assert(pairsSumToZero(l: [1, 2, 3, 7]) == false, "Test 3 failed")
assert(pairsSumToZero(l: [2, 4, -5, 3, 5, 7]) == true, "Test 4 failed")
assert(pairsSumToZero(l: [1]) == false, "Test 5 failed")
print("All tests passed!")
``` // XCTAssertTrue failedfunc changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
func isPalindrome(x: Int) -> Bool {
let str = String(x)
let reversedStr = String(str.reversed())
return str == reversedStr
}
func isPalindromeInBase(x: Int, base: Int) -> Bool {
return isPalindrome(x: Int(changeBase(x: x, base: base)))
}
func isPalindromeInAnyBase(x: Int) -> Bool {
for base in 2...9 {
if isPalindromeInBase(x: x, base: base) {
return true
}
}
return false
}
func findSmallestPalindrome() -> Int {
var x = 1
while !isPalindromeInAnyBase(x: x) {
x += 1
}
return x
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
// Check if input number x is a palindrome.
// return true if x is palindrome, false otherwise.
// isPalindrome(x: 121) == true
// isPalindrome(x: 123) == false
func isPalindrome(x: Int) -> Bool {
let str = String(x)
let reversedStr = String(str.reversed())
return str == reversedStr
}
// Check if input number x is a palindrome in base b.
// return true if x is palindrome in base b, false otherwise.
// isPalindromeInBase(x: 121, base: 10) == true
// isPalindromeInBase(x: 121, base: 2) == false
// isPalindromeInBase(x: 7, base: 2) == true
func isPalindromeInBase(x: Int, base: Int) -> Bool {
return isPalindrome(x: Int(changeBase(x: x, base: base)))
}
// Check if input number x is a palindrome in any base.
// return true if x is palindrome in any base, false otherwise.
// isPalindromeInAnyBase(x: 121) == true
// isPalindromeInAnyBase(x: 7) == true
// isPalindromeInAnyBase(x: 123) == false
func isPalindromeInAnyBase(x: Int) -> Bool {
for base in 2...9 {
if isPalindromeInBase(x: x, base: base) {
return true
}
}
return false
}
// Find the smallest palindrome in any base greater than 1.
// return the smallest palindrome in any base.
// findSmallestPalindrome() == 1
func findSmallestPalindrome() -> Int {
var x = 1
while !isPalindromeInAnyBase(x: x) {
x += 1
}
return x
}
// Find the smallest palindrome in any base greater than 1.
// return the smallest palindrome in any base.
// findSmallestPalindrome() == 1
func findSmallestPalindrome() -> Int {
var x = 1
while !isPalindromeInAnyBase(x: x) {
x += 1
}
return x
}
```return isPalindrome(x: Int(changeBase(x: x, base: base))) // value of optional type 'Int?' must be unwrapped to a value of type 'Int'func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
func changeToBinary(x: Int) -> String {
return changeBase(x: x, base: 2)
}
func changeToOctal(x: Int) -> String {
return changeBase(x: x, base: 8)
}
func changeToHexadecimal(x: Int) -> String {
return changeBase(x: x, base: 16)
}
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(16), Double(x.count - i - 1)))
}
return String(result)
}
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(8), Double(x.count - i - 1)))
}
return String(result)
}
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(3), Double(x.count - i - 1)))
}
return String(result)
}
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(2), Double(x.count - i - 1)))
}
return String(result)
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
// Convert input number x to binary.
// return string representation after the conversion.
// changeToBinary(x: 8) == "1000"
// changeToBinary(x: 7) == "111"
func changeToBinary(x: Int) -> String {
return changeBase(x: x, base: 2)
}
// Convert input number x to octal.
// return string representation after the conversion.
// changeToOctal(x: 8) == "10"
// changeToOctal(x: 7) == "7"
func changeToOctal(x: Int) -> String {
return changeBase(x: x, base: 8)
}
// Convert input number x to hexadecimal.
// return string representation after the conversion.
// changeToHexadecimal(x: 8) == "8"
// changeToHexadecimal(x: 7) == "7"
func changeToHexadecimal(x: Int) -> String {
return changeBase(x: x, base: 16)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "1000") == "8"
// changeToDecimal(x: "111") == "7"
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(16), Double(x.count - i - 1)))
}
return String(result)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "10") == "8"
// changeToDecimal(x: "7") == "7"
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(8), Double(x.count - i - 1)))
}
return String(result)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "22") == "8"
// changeToDecimal(x: "111") == "7"
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(3), Double(x.count - i - 1)))
}
return String(result)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "22") == "8"
// changeToDecimal(x: "111") == "7"
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(2), Double(x.count - i - 1)))
}
return String(result)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "22") == "8"
// changeToDecimal(x: "111") == "7"
func changeToDecimal(x: String) -> String {
var result = 0
for (i, c) in x.enumerated() {
let value = Int(String(c))!
result += value * Int(pow(Double(2), Double(x.count - i - 1)))
}
return String(result)
}
// Convert input number x to decimal.
// return string representation after the conversion.
// changeToDecimal(x: "22") == "8"
// changeToDecimal(xfunc changeToDecimal(x: String) -> String { // invalid redeclaration of 'changeToDecimal(x:)'func changeToDecimal(x: String) -> String { // invalid redeclaration of 'changeToDecimal(x:)'func changeToDecimal(x: String) -> String { // invalid redeclaration of 'changeToDecimal(x:)'func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
```func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
func isPalindrome(x: Int) -> Bool {
let str = String(x)
return str == String(str.reversed())
}
func isPalindromeInBase(x: Int, base: Int) -> Bool {
return isPalindrome(x: Int(changeBase(x: x, base: base)))
}
func isPalindromeInAnyBase(x: Int) -> Bool {
for base in 2...10 {
if isPalindromeInBase(x: x, base: base) {
return true
}
}
return false
}
func findSmallestPalindrome(x: Int) -> Int {
var x = x
while !isPalindromeInAnyBase(x: x) {
x += 1
}
return x
}
func findLargestPalindrome(x: Int) -> Int {
var x = x
while !isPalindromeInAnyBase(x: x) {
x -= 1
}
return x
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
// Check if input number x is a palindrome.
// return true if x is a palindrome, false otherwise.
// isPalindrome(x: 121) == true
// isPalindrome(x: 123) == false
func isPalindrome(x: Int) -> Bool {
let str = String(x)
return str == String(str.reversed())
}
// Check if input number x is a palindrome in base b.
// return true if x is a palindrome in base b, false otherwise.
// isPalindromeInBase(x: 121, base: 10) == true
// isPalindromeInBase(x: 121, base: 2) == false
// isPalindromeInBase(x: 7, base: 2) == true
func isPalindromeInBase(x: Int, base: Int) -> Bool {
return isPalindrome(x: Int(changeBase(x: x, base: base)))
}
// Check if input number x is a palindrome in any base.
// return true if x is a palindrome in any base, false otherwise.
// isPalindromeInAnyBase(x: 121) == true
// isPalindromeInAnyBase(x: 7) == true
// isPalindromeInAnyBase(x: 123) == false
func isPalindromeInAnyBase(x: Int) -> Bool {
for base in 2...10 {
if isPalindromeInBase(x: x, base: base) {
return true
}
}
return false
}
// Find the smallest palindrome greater than or equal to x in any base.
// return the smallest palindrome greater than or equal to x in any base.
// findSmallestPalindrome(x: 121) == 121
// findSmallestPalindrome(x: 7) == 7
// findSmallestPalindrome(x: 123) == 131
func findSmallestPalindrome(x: Int) -> Int {
var x = x
while !isPalindromeInAnyBase(x: x) {
x += 1
}
return x
}
// Find the largest palindrome less than or equal to x in any base.
// return the largest palindrome less than or equal to x in any base.
// findLargestPalindrome(x: 121) == 121
// findLargestPalindrome(x: 7) == 7
// findLargestPalindrome(x: 123) == 121
func findLargestPalindrome(x: Int) -> Int {
var x = x
while !isPalindromeInAnyBase(x: x) {
x -= 1
}
return x
}
```return isPalindrome(x: Int(changeBase(x: x, base: base))) // value of optional type 'Int?' must be unwrapped to a value of type 'Int'func changeBase(x: Int, base: Int) -> String {
var result = ""
var number = x
while number > 0 {
result = String(number % base) + result
number /= base
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var result = ""
var number = x
while number > 0 {
result = String(number % base) + result
number /= base
}
return result
}
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var result = ""
var number = x
while number > 0 {
result = String(number % base) + result
number /= base
}
return result
}
```func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
```func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
func decodeWays(s: String) -> Int {
var dp = [Int](repeating: 0, count: s.count + 1)
dp[0] = 1
dp[1] = s[0] == "0" ? 0 : 1
for i in 2...s.count {
let first = Int(String(s[i-1]))!
let second = Int(String(s[i-2]))!
if first != 0 {
dp[i] += dp[i-1]
}
if second != 0 && second <= 26 {
dp[i] += dp[i-2]
}
}
return dp[s.count]
}
func palindromePartition(s: String) -> [[String]] {
var result = [[String]]()
var path = [String]()
func backtrack(start: Int) {
if start == s.count {
result.append(path)
return
}
for i in start..<s.count {
let substring = s[start...i]
if isPalindrome(substring) {
path.append(String(substring))
backtrack(start: i + 1)
path.removeLast()
}
}
}
backtrack(start: 0)
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
// Given a string of digits, return the number of ways to decode it.
// A message containing letters from A-Z is being encoded to numbers using the following mapping:
// 'A' -> 1
// 'B' -> 2
// ...
// 'Z' -> 26
// Given an encoded message containing digits, determine the total number of ways to decode it.
// decodeWays(s: "12") == 2
// decodeWays(s: "226") == 3
// decodeWays(s: "0") == 0
// decodeWays(s: "06") == 0
func decodeWays(s: String) -> Int {
var dp = [Int](repeating: 0, count: s.count + 1)
dp[0] = 1
dp[1] = s[0] == "0" ? 0 : 1
for i in 2...s.count {
let first = Int(String(s[i-1]))!
let second = Int(String(s[i-2]))!
if first != 0 {
dp[i] += dp[i-1]
}
if second != 0 && second <= 26 {
dp[i] += dp[i-2]
}
}
return dp[s.count]
}
// Given a string s, partition s such that every substring of the partition is a palindrome.
// Return all possible palindrome partitioning of s.
// palindromePartition(s: "aab") == [["a","a","b"], ["aa","b"]]
// palindromePartition(s: "a") == [["a"]]
func palindromePartition(s: String) -> [[String]] {
var result = [[String]]()
var path = [String]()
func backtrack(start: Int) {
if start == s.count {
result.append(path)
return
}
for i in start..<s.count {
let substring = s[start...i]
if isPalindrome(substring) {
path.append(String(substring))
backtrack(start: i + 1)
path.removeLast()
}
}
}
backtrack(start: 0)
return result
}
// Given a string s, partition s such that every substring of the partition is a palindrome.
// Return all possible palindrome partitioning of s.
// palindromePartition(s: "aab") == [["a","a","b"], ["aa","b"]]
// palindromePartition(s: "a") == [["a"]]
func palindromePartition(s: String) -> [[String]] {
var result = [[String]]()
var path = [String]()
func backtrack(start: Int) {
if start == s.count {
result.append(path)
return
}
for i in start..<s.count {
let substring = s[start...i]
if isPalindrome(substring) {
path.append(String(substring))
backtrack(start: i + 1)
path.removeLast()
}
}
}
backtrack(start: 0)
return result
}
// Given a string s, partition s such that every substring of the partition is a palindrome.
// Return all possible palindrome partitioning of s.
// palindromePartition(s: "aab") == [["a","a","b"], ["aa","b"]]
// palindromePartition(s: "a") == [["a"]]
func palindromePartition(s: String) -> [[String]] {
var result = [[String]]()
var path = [String]()
func backtrack(start: Int) {
if start == s.count {
result.append(path)
return
}
dp[1] = s[0] == "0" ? 0 : 1 // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.let first = Int(String(s[i-1]))! // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.let second = Int(String(s[i-2]))! // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.let substring = s[start...i] // 'subscript(_:)' is unavailable: cannot subscript String with an integer range, use a String.Index range instead.if isPalindrome(substring) { // cannot find 'isPalindrome' in scopefunc changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
func changeBase(x: Int, base: Int) -> Int {
var x = x
var result = 0
var power = 1
while x > 0 {
result += (x % base) * power
x /= base
power *= 10
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
// Change numerical base of input number x to base.
// return integer representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == 22
// changeBase(x: 8, base: 2) == 1000
// changeBase(x: 7, base: 2) == 111
func changeBase(x: Int, base: Int) -> Int {
var x = x
var result = 0
var power = 1
while x > 0 {
result += (x % base) * power
x /= base
power *= 10
}
return result
}
// Change numerical base of input number x to base.
// return integer representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == 22
// changeBase(x: 8, base: 2) == 1000
// changeBase(x: 7, base: 2) == 111
func changeBase(x: Int, base: Int) -> Int {
var x = x
var result = 0
var power = 1
while x > 0 {
result += (x % base) * power
x /= base
power *= 10
}
return result
}
```func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
```func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}```swift
// Change numerical base of input number x to base.
// return string representation after the conversion.
// base numbers are less than 10.
// changeBase(x: 8, base: 3) == "22"
// changeBase(x: 8, base: 2) == "1000"
// changeBase(x: 7, base: 2) == "111"
func changeBase(x: Int, base: Int) -> String {
var x = x
var result = ""
while x > 0 {
result = String(x % base) + result
x /= base
}
return result
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
```func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}```swift
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Int) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Double) -> Double {
return Double(a) * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Float) -> Double {
return a * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Double, h: Double) -> Double {
return a * h / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Float, h: Float) -> Double {
return Double(a) * Double(h) / 2
}
// Given length of a side and high return area for a triangle.
// triangleArea(a: 5, h: 3) == 7.5
func triangleArea(a: Int, h: Int) -> Double {
return Double(a) * Double(h) / 2
}
// Given length offunc fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var prev1 = 0
var prev2 = 0
var prev3 = 2
var prev4 = 0
for _ in 4...n {
let temp = prev4
prev4 = prev1 + prev2 + prev3 + prev4
prev1 = prev2
prev2 = prev3
prev3 = prev4
prev4 = temp
}
return prev4
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var prev1 = 0
var prev2 = 0
var prev3 = 2
var prev4 = 0
for _ in 4...n {
let temp = prev4
prev4 = prev1 + prev2 + prev3 + prev4
prev1 = prev2
prev2 = prev3
prev3 = prev4
prev4 = temp
}
return prev4
}
// Example usage:
print(fib4(n: 5)) // Output: 4
print(fib4(n: 6)) // Output: 8
print(fib4(n: 7)) // Output: 14
``` // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
if n < 4 {
return 0
}
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 4...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n < 4 {
return 0
}
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 4...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}
``` // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var previousFibs: [Int] = [0, 0, 2, 0]
for i in 4...n {
let newFib = previousFibs[i-1] + previousFibs[i-2] + previousFibs[i-3] + previousFibs[i-4]
previousFibs.append(newFib)
}
return previousFibs[n]
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var previousFibs: [Int] = [0, 0, 2, 0]
for i in 4...n {
let newFib = previousFibs[i-1] + previousFibs[i-2] + previousFibs[i-3] + previousFibs[i-4]
previousFibs.append(newFib)
}
return previousFibs[n]
}
fib4(n: 5) == 4
fib4(n: 6) == 8
fib4(n: 7) == 14
```func fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 4...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else if n == 3 {
return 0
}
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 4...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}
// Example usage:
print(fib4(n: 5)) // Output: 4
print(fib4(n: 6)) // Output: 8
print(fib4(n: 7)) // Output: 14
``` // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
// TODO: Write some code to solve this problem!
return 0
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
// TODO: Write some code to solve this problem!
return 0
}
``` // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
if n < 0 {
return 0
}
if n == 0 || n == 1 {
return 0
}
if n == 2 {
return 2
}
var a = 0
var b = 0
var c = 2
var d = 0
for i in 3...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n < 0 {
return 0
}
if n == 0 || n == 1 {
return 0
}
if n == 2 {
return 2
}
var a = 0
var b = 0
var c = 2
var d = 0
for i in 3...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}
```for i in 3...n { // immutable value 'i' was never used; consider replacing with '_' or removing it // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
if n == 0 {
return 0
}
if n == 1 {
return 0
}
if n == 2 {
return 2
}
if n == 3 {
return 0
}
var fibs = [0, 0, 2, 0]
for i in 4...n {
fibs.append(fibs[i-1] + fibs[i-2] + fibs[i-3] + fibs[i-4])
}
return fibs[n]
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n == 0 {
return 0
}
if n == 1 {
return 0
}
if n == 2 {
return 2
}
if n == 3 {
return 0
}
var fibs = [0, 0, 2, 0]
for i in 4...n {
fibs.append(fibs[i-1] + fibs[i-2] + fibs[i-3] + fibs[i-4])
}
return fibs[n]
}
```func fib4(n: Int) -> Int {
if n < 0 {
return 0
} else if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else {
var fibs = [0, 0, 2]
for i in 3...n {
fibs.append(fibs[i - 1] + fibs[i - 2] + fibs[i - 3] + fibs[i - 4])
}
return fibs[n]
}
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
if n < 0 {
return 0
} else if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 2
} else {
var fibs = [0, 0, 2]
for i in 3...n {
fibs.append(fibs[i - 1] + fibs[i - 2] + fibs[i - 3] + fibs[i - 4])
}
return fibs[n]
}
}
fib4(n: 5) == 4
fib4(n: 6) == 8
fib4(n: 7) == 14
``` // Fatal error: Index out of rangefunc fib4(n: Int) -> Int {
guard n > 1 else { return 0 }
guard n > 2 else { return 2 }
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 3...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
guard n > 1 else { return 0 }
guard n > 2 else { return 2 }
var a = 0
var b = 0
var c = 2
var d = 0
for _ in 3...n {
d = a + b + c
a = b
b = c
c = d
}
return d
}
fib4(n: 5)
fib4(n: 6)
fib4(n: 7)
``` // XCTAssertTrue failedfunc fib4(n: Int) -> Int {
// Base cases
if n == 0 { return 0 }
if n == 1 { return 0 }
if n == 2 { return 2 }
// Initialize the first four Fib4 numbers
var fib4Values: [Int] = [0, 0, 2, 0]
// Compute the Fib4 numbers iteratively
for i in 4...n {
// Calculate the next Fib4 number
let nextFib4 = fib4Values[i - 1] + fib4Values[i - 2] + fib4Values[i - 3] + fib4Values[i - 4]
// Update the array with the new Fib4 number
fib4Values.append(nextFib4)
}
// Return the n-th Fib4 number
return fib4Values[n]
}```swift
// The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fib4(0) -> 0
// fib4(1) -> 0
// fib4(2) -> 2
// fib4(3) -> 0
// fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
// Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
// fib4(n: 5) == 4
// fib4(n: 6) == 8
// fib4(n: 7) == 14
func fib4(n: Int) -> Int {
// Base cases
if n == 0 { return 0 }
if n == 1 { return 0 }
if n == 2 { return 2 }
// Initialize the first four Fib4 numbers
var fib4Values: [Int] = [0, 0, 2, 0]
// Compute the Fib4 numbers iteratively
for i in 4...n {
// Calculate the next Fib4 number
let nextFib4 = fib4Values[i - 1] + fib4Values[i - 2] + fib4Values[i - 3] + fib4Values[i - 4]
// Update the array with the new Fib4 number
fib4Values.append(nextFib4)
}
// Return the n-th Fib4 number
return fib4Values[n]
}
// Example usage:
print(fib4(n: 5)) // Output: 4
print(fib4(n: 6)) // Output: 8
print(fib4(n: 7)) // Output: 14
```func median(l: [Int]) -> Double {
let sorted = l.sorted()
let count = sorted.count
let middle = count / 2
if count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2
} else {
return Double(sorted[middle])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sorted = l.sorted()
let count = sorted.count
let middle = count / 2
if count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2
} else {
return Double(sorted[middle])
}
}
// Example usage:
let exampleArray = [3, 1, 2, 4, 5]
print("Median of \(exampleArray): \(median(l: exampleArray))")
let exampleArray2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleArray2): \(median(l: exampleArray2))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
print(median(l: [3, 1, 2, 4, 5])) // Output: 3.0
print(median(l: [-10, 4, 6, 1000, 10, 20])) // Output: 15.0
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
print(median(l: [3, 1, 2, 4, 5])) // Output: 3.0
print(median(l: [-10, 4, 6, 1000, 10, 20])) // Output: 15.0
```func median(l: [Int]) -> Double {
let sorted = l.sorted()
let middle = sorted.count / 2
if sorted.count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2.0
} else {
return Double(sorted[middle])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sorted = l.sorted()
let middle = sorted.count / 2
if sorted.count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2.0
} else {
return Double(sorted[middle])
}
}
// Example usage:
let exampleArray = [3, 1, 2, 4, 5]
print("Median of \(exampleArray): \(median(l: exampleArray))")
```func median(l: [Int]) -> Double {
let sorted = l.sorted()
let middle = sorted.count / 2
if sorted.count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2
} else {
return Double(sorted[middle])
}
}
func mean(l: [Int]) -> Double {
return Double(l.reduce(0, +)) / Double(l.count)
}
func mode(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
return counts.max(by: { $0.value < $1.value })!.key
}
func range(l: [Int]) -> Int {
return l.max()! - l.min()!
}
func stddev(l: [Int]) -> Double {
let mean = Double(l.reduce(0, +)) / Double(l.count)
let variance = l.map { pow(Double($0) - mean, 2) }.reduce(0, +) / Double(l.count)
return sqrt(variance)
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sorted = l.sorted()
let middle = sorted.count / 2
if sorted.count % 2 == 0 {
return Double(sorted[middle] + sorted[middle - 1]) / 2
} else {
return Double(sorted[middle])
}
}
// Return the mean of elements in the array l.
// mean(l: [3, 1, 2, 4, 5]) == 3.0
// mean(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func mean(l: [Int]) -> Double {
return Double(l.reduce(0, +)) / Double(l.count)
}
// Return the mode of elements in the array l.
// mode(l: [3, 1, 2, 4, 5]) == 3
// mode(l: [-10, 4, 6, 1000, 10, 20]) == 10
func mode(l: [Int]) -> Int {
let counts = l.reduce(into: [:]) { $0[$1, default: 0] += 1 }
return counts.max(by: { $0.value < $1.value })!.key
}
// Return the range of elements in the array l.
// range(l: [3, 1, 2, 4, 5]) == 4
// range(l: [-10, 4, 6, 1000, 10, 20]) == 1090
func range(l: [Int]) -> Int {
return l.max()! - l.min()!
}
// Return the standard deviation of elements in the array l.
// stddev(l: [3, 1, 2, 4, 5]) == 1.5811388300841898
// stddev(l: [-10, 4, 6, 1000, 10, 20]) == 468.0
func stddev(l: [Int]) -> Double {
let mean = Double(l.reduce(0, +)) / Double(l.count)
let variance = l.map { pow(Double($0) - mean, 2) }.reduce(0, +) / Double(l.count)
return sqrt(variance)
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median: \(median(l: exampleList))")
print("Mean: \(mean(l: exampleList))")
print("Mode: \(mode(l: exampleList))")
print("Range: \(range(l: exampleList))")
print("Standard Deviation: \(stddev(l: exampleList))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median of \(exampleList): \(median(l: exampleList))")
let exampleList2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleList2): \(median(l: exampleList2))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median of \(exampleList): \(median(l: exampleList))")
let exampleList2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleList2): \(median(l: exampleList2))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median of \(exampleList): \(median(l: exampleList))")
let exampleList2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleList2): \(median(l: exampleList2))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let middleIndex = sortedList.count / 2
if sortedList.count % 2 == 0 {
return Double(sortedList[middleIndex - 1] + sortedList[middleIndex]) / 2.0
} else {
return Double(sortedList[middleIndex])
}
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median of \(exampleList): \(median(l: exampleList))")
let exampleList2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleList2): \(median(l: exampleList2))")
```func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 0 {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
} else {
return Double(sortedList[count / 2])
}
}```swift
// Return median of elements in the array l.
// median(l: [3, 1, 2, 4, 5]) == 3
// median(l: [-10, 4, 6, 1000, 10, 20]) == 15.0
func median(l: [Int]) -> Double {
let sortedList = l.sorted()
let count = sortedList.count
if count % 2 == 0 {
return Double(sortedList[count / 2 - 1] + sortedList[count / 2]) / 2.0
} else {
return Double(sortedList[count / 2])
}
}
// Example usage:
let exampleList = [3, 1, 2, 4, 5]
print("Median of \(exampleList): \(median(l: exampleList))") // Output: Median of [3, 1, 2, 4, 5]: 3.0
let exampleList2 = [-10, 4, 6, 1000, 10, 20]
print("Median of \(exampleList2): \(median(l: exampleList2))") // Output: Median of [-10, 4, 6, 1000, 10, 20]: 15.0
```func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
// Convert string to lowercase
let lowerCaseText = text.lowercased()
// Remove all non-alphanumeric characters
let alphanumericText = lowerCaseText.filter { $0.isLetter || $0.isNumber }
// Check if string is equal to its reverse
return alphanumericText == String(alphanumericText.reversed())
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
// Convert string to lowercase
let lowerCaseText = text.lowercased()
// Remove all non-alphanumeric characters
let alphanumericText = lowerCaseText.filter { $0.isLetter || $0.isNumber }
// Check if string is equal to its reverse
return alphanumericText == String(alphanumericText.reversed())
}
```func isPalindrome(text: String) -> Bool {
return text == String(text.reversed())
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
return text == String(text.reversed())
}
```func isPalindrome(text: String) -> Bool {
// TODO: Implement this function
return false
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
// TODO: Implement this function
return false
}
``` // XCTAssertTrue failedfunc isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
let reversed = String(text.reversed())
return text == reversed
}
```func isPalindrome(text: String) -> Bool {
return text == String(text.reversed())
}```swift
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
return text == String(text.reversed())
}
// Checks if given string is a palindrome
// isPalindrome(text: "") == true
// isPalindrome(text: "aba") == true
// isPalindrome(text: "aaaaa") == true
// isPalindrome(text: "zbcd") == false
func isPalindrome(text: String) -> Bool {
return text == String(text.reversed())
}
```func modp(n: Int, p: Int) -> Int {
if n == 0 { return 1 }
var res = 1
var n = n
while n > 0 {
if n % 2 == 1 {
res = (res * p) % 10
}
p = (p * p) % 10
n /= 2
}
return res
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
if n == 0 { return 1 }
var res = 1
var n = n
while n > 0 {
if n % 2 == 1 {
res = (res * p) % 10
}
p = (p * p) % 10
n /= 2
}
return res
}
```p = (p * p) % 10 // cannot assign to value: 'p' is a 'let' constantfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
n %= p
while n > 0 {
if n % 2 == 1 {
result = (result * p) % p
}
n /= 2
p = (p * p) % p
}
return result
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
n %= p
while n > 0 {
if n % 2 == 1 {
result = (result * p) % p
}
n /= 2
p = (p * p) % p
}
return result
}
``` // Fatal error: Division by zero in remainder operationfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
``` // XCTAssertTrue failedfunc modp(n: Int, p: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
var n = n
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
var n = n
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
// Return the sum of the digits of n.
// sumDigits(n: 123) == 6
// sumDigits(n: 0) == 0
// sumDigits(n: 9999) == 36
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
// Return the sum of the digits of n modulo p.
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 9999, p: 101) == 36
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p.
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 9999, p: 101) == 36
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
```p = (p * p) % 101 // cannot assign to value: 'p' is a 'let' constantfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n = n / 2
p = (p * p) % 101
}
return result
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n = n / 2
p = (p * p) % 101
}
return result
}
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n = n / 2
p = (p * p) % 101
}
return result
}
``` // XCTAssertTrue failedfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % p
}
n = n / 2
p = (p * p) % p
}
return result
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % p
}
n = n / 2
p = (p * p) % p
}
return result
}
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % p
}
n = n / 2
p = (p * p) % p
}
return result
}
``` // Fatal error: Division by zero in remainder operationfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var res = 1
while n > 0 {
if n % 2 == 1 {
res = (res * p) % 101
}
n = n / 2
p = (p * p) % 101
}
return res
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var res = 1
while n > 0 {
if n % 2 == 1 {
res = (res * p) % 101
}
n = n / 2
p = (p * p) % 101
}
return res
}
``` // XCTAssertTrue failedfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
// Return the sum of the digits of n.
// sumDigits(n: 123) == 6
// sumDigits(n: 0) == 0
// sumDigits(n: 99999) == 45
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
// Return the sum of the digits of n modulo p.
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p, using the formula:
// sumDigitsModP(n: n, p: p) == sumDigits(n: n) % p
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p, using the formula:
// sumDigitsModP(n: n, p: p) == sumDigits(n: n) % p
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p, using the formula:
// sumDigitsModP(n: n, p: p) == sumDigits(n: n) % p
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p, using the formula:
// sumDigitsModP(n: n, p: p) == sumDigits(n: n) % p
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n modulo p, using the formula:
// sumDigitsModP(n: n, p: p) == sumDigits(n: n) % p
// sumDigitsModP(n: 123, p: 101) == 6
// sumDigitsModP(n: 0, p: 101) == 0
// sumDigitsModP(n: 99999, p: 101) == 45
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of n // XCTAssertTrue failedfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
// Return the sum of the digits of the number n.
// sumDigits(n: 123) == 6
// sumDigits(n: 0) == 0
// sumDigits(n: 9999) == 36
func sumDigits(n: Int) -> Int {
var n = n
var sum = 0
while n > 0 {
sum += n % 10
n /= 10
}
return sum
}
// Return the sum of the digits of the number n modulo p.
// sumDigitsModP(n: 123, p: 10) == 6
// sumDigitsModP(n: 0, p: 10) == 0
// sumDigitsModP(n: 9999, p: 10) == 9
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
// Return the sum of the digits of the number n modulo p, using the formula:
// sumDigitsModP(n: 123, p: 10) == 6
// sumDigitsModP(n: 0, p: 10) == 0
// sumDigitsModP(n: 9999, p: 10) == 9
func sumDigitsModP(n: Int, p: Int) -> Int {
return sumDigits(n: n) % p
}
``` // XCTAssertTrue failedfunc modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}```swift
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
// Return 2^n modulo p (be aware of numerics).
// modp(n: 3, p: 5) == 3
// modp(n: 1101, p: 101) == 2
// modp(n: 0, p: 101) == 1
// modp(n: 3, p: 11) == 8
// modp(n: 100, p: 101) == 1
func modp(n: Int, p: Int) -> Int {
var n = n
var p = p
var result = 1
while n > 0 {
if n % 2 == 1 {
result = (result * p) % 101
}
n /= 2
p = (p * p) % 101
}
return result
}
``` // XCTAssertTrue failedfunc removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output:
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World")) // Output: Hll Wrld
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output: ''
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output: ""
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output:
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output: ""
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
func main() {
assert(removeVowels(text: "") == "")
assert(removeVowels(text: "abcdef") == "bcdf")
assert(removeVowels(text: "aaaaa") == "")
assert(removeVowels(text: "aaBAA") == "B")
assert(removeVowels(text: "zbcd") == "zbcd")
print("All tests passed.")
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Main function to test the removeVowels function
func main() {
assert(removeVowels(text: "") == "")
assert(removeVowels(text: "abcdef") == "bcdf")
assert(removeVowels(text: "aaaaa") == "")
assert(removeVowels(text: "aaBAA") == "B")
assert(removeVowels(text: "zbcd") == "zbcd")
print("All tests passed.")
}
main()
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output:
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output:
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output: ""
```func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}```swift
// remove_vowels is a function that takes string and returns string without vowels.
// removeVowels(text: "") == ""
// removeVowels(text: "abcdef") == "bcdf"
// removeVowels(text: "aaaaa") == ""
// removeVowels(text: "aaBAA") == "B"
// removeVowels(text: "zbcd") == "zbcd"
func removeVowels(text: String) -> String {
let vowels = "aeiouAEIOU"
return String(text.filter { !vowels.contains($0) })
}
// Example usage:
print(removeVowels(text: "Hello World!")) // Output: Hll Wrld!
print(removeVowels(text: "Swift Programming")) // Output: Swft Prgrmmng
print(removeVowels(text: "AEIOUaeiou")) // Output:
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
// Unit tests
assert(belowThreshold(l: [1, 2, 4, 10], t: 100) == true, "Test 1 failed")
assert(belowThreshold(l: [1, 20, 4, 10], t: 5) == false, "Test 2 failed")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
print(belowThreshold(l: [1, 2, 4, 10], t: 100)) // Output: true
print(belowThreshold(l: [1, 20, 4, 10], t: 5)) // Output: false
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers below threshold: \(result)")
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
// Unit tests
assert(belowThreshold(l: [1, 2, 4, 10], t: 100) == true, "Test 1 failed")
assert(belowThreshold(l: [1, 20, 4, 10], t: 5) == false, "Test 2 failed")
assert(belowThreshold(l: [], t: 5) == true, "Test 3 failed") // Edge case: empty array
assert(belowThreshold(l: [0, 1, 2], t: 3) == true, "Test 4 failed") // Edge case: all numbers below threshold
assert(belowThreshold(l: [1, 2, 3], t: 1) == false, "Test 5 failed") // Edge case: one number above threshold
```func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}```swift
// Return true if all numbers in the array l are below threshold t.
// belowThreshold(l: [1, 2, 4, 10], t: 100) == true
// belowThreshold(l: [1, 20, 4, 10], t: 5) == false
func belowThreshold(l: [Int], t: Int) -> Bool {
return l.allSatisfy { $0 < t }
}
// Example usage:
let numbers = [1, 2, 4, 10]
let threshold = 100
let result = belowThreshold(l: numbers, t: threshold)
print("All numbers are below the threshold: \(result)")
```func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x / y
}
func remainder(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return (1...x).reduce(1, *)
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Double) throws -> Double {
guard x >= 0 else {
throw "Square root of negative number is not allowed."
}
return sqrt(x)
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 2) == 5
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 3, y: 4) == 12
// multiply(x: 5, y: 6) == 30
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 7, y: 0) throws "Division by zero is not allowed."
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x / y
}
// Calculate the remainder of dividing x by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 7, y: 0) throws "Division by zero is not allowed."
func remainder(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x % y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 0) == 0
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 0) == 0
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a non-negative integer x
// factorial(x: 5) == 120
// factorial(x: 0) == 1
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return (1...x).reduce(1, *)
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 0) == 1
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a non-negative number x
// squareRoot(x: 9) == 3.0
// squareRoot(x: -1) throws "Square root of negative number is not allowed."
func squareRoot(x: Double) throws -> Double {
guard x >= 0 else {
throw "Square root of negative number is not allowed."
}
return sqrt(x)
}
// Calculate the absolute value of a number x
// absoluteValue(x: -3) == 3
// absoluteValue(x: 4) == 4
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 7, y: 7) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 7, y: 7) == 7
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15.0
// average(x: 7, y: 7) == 7.0
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the median of an array of numbers
//throw "Division by zero is not allowed." // thrown expression type 'String' does not conform to 'Error'throw "Division by zero is not allowed." // thrown expression type 'String' does not conform to 'Error'throw "Square root of negative number is not allowed." // thrown expression type 'String' does not conform to 'Error'func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Cannot divide by zero"
}
return x / y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers")
}
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
func power(x: Int, y: Int) -> Int {
if y == 0 {
return 1
} else {
return x * power(x: x, y: y - 1)
}
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func absoluteValue(x: Int) -> Int {
return x >= 0 ? x : -x
}
func squareRoot(x: Int) -> Int {
return Int(sqrt(Double(x)))
}
func logarithm(x: Int, b: Int) -> Int {
return Int(log(Double(x)) / log(Double(b)))
}
func greatestCommonDivisor(x: Int, y: Int) -> Int {
var a = x
var b = y
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 2) == 5
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 3, y: 4) == 12
// multiply(x: 5, y: 6) == 30
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 7, y: 0) throws "Cannot divide by zero"
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Cannot divide by zero"
}
return x / y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 5) == 125
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 5) == 120
// factorial(x: 0) == 1
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers")
}
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 0) == 1
func power(x: Int, y: Int) -> Int {
if y == 0 {
return 1
} else {
return x * power(x: x, y: y - 1)
}
}
// Calculate the remainder of x divided by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 7, y: 2) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the absolute value of x
// absoluteValue(x: -5) == 5
// absoluteValue(x: 3) == 3
func absoluteValue(x: Int) -> Int {
return x >= 0 ? x : -x
}
// Calculate the square root of x
// squareRoot(x: 16) == 4
// squareRoot(x: 25) == 5
func squareRoot(x: Int) -> Int {
return Int(sqrt(Double(x)))
}
// Calculate the logarithm of x to the base b
// logarithm(x: 8, b: 2) == 3
// logarithm(x: 27, b: 3) == 3
func logarithm(x: Int, b: Int) -> Int {
return Int(log(Double(x)) / log(Double(b)))
}
// Calculate the greatest common divisor of x and y
// greatestCommonDivisor(x: 12, y: 8) == 4
// greatestCommonDivisor(x: 20, y: 8) == 4
func greatestCommonDivisor(x: Int, y: Int) -> Int {
var a = x
var b = y
while b != 0 {
let temp = b
b = a % b
a = temp
}
return a
}
// Calculate the least common multiple of x and y
// leastCommonMultiple(x: 12, y: 8) == 24
// leastCommonMultiple(x: 20, y: 8) == 40
func leastCommonMultiple(x: Int,throw "Cannot divide by zero" // thrown expression type 'String' does not conform to 'Error'func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x / y
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Int {
return Int(sqrt(Double(x)))
}
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return x == 0 ? 1 : x * factorial(x: x - 1)
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func absoluteValue(x: Int) -> Int {
return x >= 0 ? x : -x
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
func sumOfNumbers(x: Int) -> Int {
return (1...x).reduce(0, +)
}
func sumOfEvenNumbers(x: Int) -> Int {
return (2...x).filter { $0 % 2 == 0 }.reduce(0, +)
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 3) == 4
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 4, y: 5) == 20
// multiply(x: 6, y: 7) == 42
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 7, y: 0) throws "Division by zero is not allowed."
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x / y
}
// Calculate the power of a number x raised to the exponent y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 0) == 1
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a number x
// squareRoot(x: 9) == 3
// squareRoot(x: 16) == 4
func squareRoot(x: Int) -> Int {
return Int(sqrt(Double(x)))
}
// Calculate the factorial of a non-negative integer x
// factorial(x: 5) == 120
// factorial(x: 0) == 1
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return x == 0 ? 1 : x * factorial(x: x - 1)
}
// Calculate the remainder of the division of x by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 7, y: 2) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the absolute value of a number x
// absoluteValue(x: -5) == 5
// absoluteValue(x: 3) == 3
func absoluteValue(x: Int) -> Int {
return x >= 0 ? x : -x
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 7, y: 3) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 7, y: 3) == 3
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15
// average(x: 7, y: 3) == 5
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the sum of all numbers from 1 to x
// sumOfNumbers(x: 5) == 15
// sumOfNumbers(x: 10) == 55
func sumOfNumbers(x: Int) -> Int {
return (1...x).reduce(0, +)
}
// Calculate the sum of all even numbers from 1 to x
// sumOfEvenNumbers(x: 10) == 30
// sumOfEvenNumbers(x: 20) == 110
func sumOfEvenNumbers(x: Int) -> Int {
return (2...x).filter { $0 % 2 == 0 }.reduce(0, +)
}
// Calculate the sum of all odd numbers from 1 to xthrow "Division by zero is not allowed." // thrown expression type 'String' does not conform to 'Error'func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) throws -> Double {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return Double(x) / Double(y)
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return (1...x).reduce(1, *)
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func remainder(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x % y
}
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 2) == 5
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 4, y: 3) == 12
// multiply(x: 6, y: 7) == 42
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5.0
// divide(x: 7, y: 0) throws "Division by zero is not allowed."
func divide(x: Int, y: Int) throws -> Double {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return Double(x) / Double(y)
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 0) == 0
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 0) == 0
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 5) == 120
// factorial(x: 0) == 1
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
return (1...x).reduce(1, *)
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 0) == 1
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the remainder of x divided by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 7, y: 0) throws "Division by zero is not allowed."
func remainder(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw "Division by zero is not allowed."
}
return x % y
}
// Calculate the square root of a number x
// squareRoot(x: 9) == 3.0
// squareRoot(x: 16) == 4.0
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
// Calculate the absolute value of a number x
// absoluteValue(x: -4) == 4
// absoluteValue(x: 3) == 3
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 7, y: 7) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 7, y: 7) == 7
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15.0
// average(x: 7, y: 7) == 7.0
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the median of an array of numbers
// median([1, 3, 5]) == 3.0
// median([1, 2, 3, 4])throw "Division by zero is not allowed." // thrown expression type 'String' does not conform to 'Error'throw "Division by zero is not allowed." // thrown expression type 'String' does not conform to 'Error'func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) -> Int {
return x / y
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
func median(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 3) == 4
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 4, y: 6) == 24
// multiply(x: 5, y: 2) == 10
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 9, y: 3) == 3
func divide(x: Int, y: Int) -> Int {
return x / y
}
// Calculate the remainder of dividing x by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 9, y: 4) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 5) == 125
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 3) == 6
// factorial(x: 5) == 120
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 2) == 25
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a number x
// squareRoot(x: 9) == 3
// squareRoot(x: 16) == 4
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
// Calculate the absolute value of a number x
// absoluteValue(x: -5) == 5
// absoluteValue(x: 3) == 3
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 7, y: 3) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 7, y: 3) == 3
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15
// average(x: 7, y: 3) == 5
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the median of two numbers x and y
// median(x: 10, y: 20) == 15
// median(x: 7, y: 3) == 5
func median(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the sum of all numbers from 1 to x
// sumOfNumbers(x: 5) == 15
// sumOfNumbers(x: 10) == 55
func sumOfNumbers(xfunc add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw DivisionError.divisionByZero
}
return x / y
}
enum DivisionError: Error {
case divisionByZero
}
func main() {
let testCases = [
(2, 3, 5),
(5, 7, 12),
(2, 0, 0), // This will throw an error
]
for (x, y, expected) in testCases {
do {
let result = try divide(x: x, y: y)
print("divide(x: \(x), y: \(y)) == \(result)")
} catch DivisionError.divisionByZero {
print("divide(x: \(x), y: \(y)) throws an error")
} catch {
print("Unexpected error: \(error)")
}
}
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 5, y: 3) == 2
// subtract(x: 10, y: 4) == 6
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 2, y: 3) == 6
// multiply(x: 5, y: 7) == 35
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 5, y: 0) throws an error
func divide(x: Int, y: Int) throws -> Int {
guard y != 0 else {
throw DivisionError.divisionByZero
}
return x / y
}
// Enum to represent possible errors in division
enum DivisionError: Error {
case divisionByZero
}
// Main function to test the generated functions
func main() {
let testCases = [
(2, 3, 5),
(5, 7, 12),
(2, 0, 0), // This will throw an error
]
for (x, y, expected) in testCases {
do {
let result = try divide(x: x, y: y)
print("divide(x: \(x), y: \(y)) == \(result)")
} catch DivisionError.divisionByZero {
print("divide(x: \(x), y: \(y)) throws an error")
} catch {
print("Unexpected error: \(error)")
}
}
}
// Run the main function to perform the tests
main()
```for (x, y, expected) in testCases { // immutable value 'expected' was never used; consider replacing with '_' or removing itfunc add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) -> Int {
return x / y
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
var result = 1
for i in 1...x {
result *= i
}
return result
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Double {
guard x >= 0 else {
fatalError("Square root is not defined for negative numbers.")
}
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract number y from number x
// subtract(x: 10, y: 5) == 5
// subtract(x: 2, y: 1) == 1
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 2, y: 3) == 6
// multiply(x: 5, y: 7) == 35
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide number x by number y
// divide(x: 10, y: 2) == 5
// divide(x: 5, y: 1) == 5
func divide(x: Int, y: Int) -> Int {
return x / y
}
// Calculate the remainder of dividing number x by number y
// remainder(x: 10, y: 3) == 1
// remainder(x: 5, y: 2) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 5) == 125
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 3) == 6
// factorial(x: 5) == 120
func factorial(x: Int) -> Int {
guard x >= 0 else {
fatalError("Factorial is not defined for negative numbers.")
}
var result = 1
for i in 1...x {
result *= i
}
return result
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 2) == 25
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a number x
// squareRoot(x: 9) == 3
// squareRoot(x: 16) == 4
func squareRoot(x: Int) -> Double {
guard x >= 0 else {
fatalError("Square root is not defined for negative numbers.")
}
return sqrt(Double(x))
}
// Calculate the absolute value of a number x
// absoluteValue(x: -3) == 3
// absoluteValue(x: 4) == 4
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 5) == 10
// maximum(x: 2, y: 1) == 2
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 5) == 5
// minimum(x: 2, y: 1) == 1
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 5) == 7.5
// average(x: 2, y: 1) == 1.5
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the median of two numbers x and y
// median(x: 10, y: 5) == 7.5
// median(x: 2, y: 1) == 1.5
func median(x: Int, y: Int) -> Double {
return Doublefunc add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) -> Int {
return x / y
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
func sumOfSquares(x: Int, y: Int) -> Int {
return square(x: x) + square(x: y)
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 3) == 4
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 4, y: 6) == 24
// multiply(x: 5, y: 2) == 10
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 10, y: 2) == 5
// divide(x: 9, y: 3) == 3
func divide(x: Int, y: Int) -> Int {
return x / y
}
// Calculate the remainder of dividing x by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 9, y: 4) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 4) == 64
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 5) == 120
// factorial(x: 0) == 1
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 2) == 25
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a number x
// squareRoot(x: 16) == 4
// squareRoot(x: 25) == 5
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
// Calculate the absolute value of a number x
// absoluteValue(x: -5) == 5
// absoluteValue(x: 3) == 3
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 30, y: 20) == 30
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 30, y: 20) == 20
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15
// average(x: 30, y: 20) == 25
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the sum of the squares of two numbers x and y
// sumOfSquares(x: 3, y: 4) == 25
// sumOfSquares(x: 5, y: 12) == 169
func sumOfSquares(x: Int, y: Int) -> Int {
return square(x: x) + square(x: y)
}
// Calculate the sum of the cubes of two numbers x and y
// sumOfCubes(x: 3, y: 4) == func add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) -> Int {
return x / y
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
func median(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract number y from number x
// subtract(x: 10, y: 5) == 5
// subtract(x: 2, y: 3) == -1
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply number x by number y
// multiply(x: 3, y: 4) == 12
// multiply(x: 5, y: 2) == 10
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide number x by number y
// divide(x: 10, y: 2) == 5
// divide(x: 5, y: 2) == 2
func divide(x: Int, y: Int) -> Int {
return x / y
}
// Calculate the remainder of number x divided by number y
// remainder(x: 10, y: 3) == 1
// remainder(x: 5, y: 2) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the square of number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of number x
// cube(x: 3) == 27
// cube(x: 5) == 125
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of number x
// factorial(x: 3) == 6
// factorial(x: 5) == 120
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
// Calculate the power of number x raised to the power of number y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 2) == 25
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of number x
// squareRoot(x: 9) == 3
// squareRoot(x: 16) == 4
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
// Calculate the absolute value of number x
// absoluteValue(x: -3) == 3
// absoluteValue(x: 5) == 5
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 3, y: 5) == 5
// maximum(x: 7, y: 4) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 3, y: 5) == 3
// minimum(x: 7, y: 4) == 4
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 3, y: 5) == 4
// average(x: 7, y: 4) == 5
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the median of two numbers x and y
// median(x: 3, y: 5) == 4
// median(x: 7, y: 4) == 5
func median(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the mode of two numbers x and y
// mode(x: 3, y: 5) == 3
// mode(x: 7, y: 4) == 4
func mode(x: Int, yfunc add(x: Int, y: Int) -> Int {
return x + y
}
func subtract(x: Int, y: Int) -> Int {
return x - y
}
func multiply(x: Int, y: Int) -> Int {
return x * y
}
func divide(x: Int, y: Int) -> Int {
return x / y
}
func remainder(x: Int, y: Int) -> Int {
return x % y
}
func square(x: Int) -> Int {
return x * x
}
func cube(x: Int) -> Int {
return x * x * x
}
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
func absoluteValue(x: Int) -> Int {
return abs(x)
}
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
func sumOfNumbers(x: Int) -> Int {
var sum = 0
for i in 1...x {
sum += i
}
return sum
}```swift
// Add two numbers x and y
// add(x: 2, y: 3) == 5
// add(x: 5, y: 7) == 12
func add(x: Int, y: Int) -> Int {
return x + y
}
// Subtract two numbers x and y
// subtract(x: 10, y: 5) == 5
// subtract(x: 7, y: 2) == 5
func subtract(x: Int, y: Int) -> Int {
return x - y
}
// Multiply two numbers x and y
// multiply(x: 3, y: 4) == 12
// multiply(x: 5, y: 6) == 30
func multiply(x: Int, y: Int) -> Int {
return x * y
}
// Divide two numbers x and y
// divide(x: 8, y: 2) == 4
// divide(x: 10, y: 5) == 2
func divide(x: Int, y: Int) -> Int {
return x / y
}
// Calculate the remainder of dividing x by y
// remainder(x: 10, y: 3) == 1
// remainder(x: 7, y: 2) == 1
func remainder(x: Int, y: Int) -> Int {
return x % y
}
// Calculate the square of a number x
// square(x: 3) == 9
// square(x: 5) == 25
func square(x: Int) -> Int {
return x * x
}
// Calculate the cube of a number x
// cube(x: 3) == 27
// cube(x: 5) == 125
func cube(x: Int) -> Int {
return x * x * x
}
// Calculate the factorial of a number x
// factorial(x: 3) == 6
// factorial(x: 5) == 120
func factorial(x: Int) -> Int {
if x == 0 {
return 1
} else {
return x * factorial(x: x - 1)
}
}
// Calculate the power of a number x raised to the power of y
// power(x: 2, y: 3) == 8
// power(x: 5, y: 2) == 25
func power(x: Int, y: Int) -> Int {
return Int(pow(Double(x), Double(y)))
}
// Calculate the square root of a number x
// squareRoot(x: 16) == 4
// squareRoot(x: 25) == 5
func squareRoot(x: Int) -> Double {
return sqrt(Double(x))
}
// Calculate the absolute value of a number x
// absoluteValue(x: -3) == 3
// absoluteValue(x: 5) == 5
func absoluteValue(x: Int) -> Int {
return abs(x)
}
// Calculate the maximum of two numbers x and y
// maximum(x: 10, y: 20) == 20
// maximum(x: 7, y: 3) == 7
func maximum(x: Int, y: Int) -> Int {
return max(x, y)
}
// Calculate the minimum of two numbers x and y
// minimum(x: 10, y: 20) == 10
// minimum(x: 7, y: 3) == 3
func minimum(x: Int, y: Int) -> Int {
return min(x, y)
}
// Calculate the average of two numbers x and y
// average(x: 10, y: 20) == 15
// average(x: 7, y: 3) == 5
func average(x: Int, y: Int) -> Double {
return Double(x + y) / 2.0
}
// Calculate the sum of all numbers from 1 to x
// sumOfNumbers(x: 5) == 15
// sumOfNumbers(x: 10) == 55
func sumOfNumbers(x: Int) -> Int {
var sum = 0
for i in 1...x {
sum += i
}
return sum
}
// Calculate the product of all numbers from 1 to x
// productOfNumbers(x: 5) == 120
// productOfNumbers(x: 10func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if two words are anagrams.
// anagrams(s0: "eabcd", s1: "dddddddabc") == true
// anagrams(s0: "abcd", s1: "dddddddabc") == true
// anagrams(s0: "eabcd", s1: "dddddddabc") == false
// anagrams(s0: "abcd", s1: "dddddddabce") == false
// anagrams(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
// Check if two words are anagrams of each other.
// anagrams(s0: "eabcd", s1: "dddddddabc") == true
// anagrams(s0: "abcd", s1: "dddddddabc") == true
// anagrams(s0: "eabcd", s1: "dddddddabc") == false
// anagrams(s0: "abcd", s1: "dddddddabce") == false
// anagrams(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
// Check if two words are anagrams of each other.
// anagrams(s0: "eabcd", s1: "dddddddabc") == true
// anagrams(s0: "abcd", s1: "dddddddabc") == true
// anagrams(s0: "eabcd", s1: "dddddddabc") == false
// anagrams(s0: "abcd", s1: "dddddddabce") == false
// anagrams(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
// Check if two words are anagrams of each other.
// anagrams(s0: "eabcd", s1: "dddddddabc") == true
// anagrams(s0: "abcd", s1: "dddddddabc") == true
// anagrams(s0: "eabcd", s1: "dddddddabc") == false
// anagrams(s0: "abcd", s1: "dddddddabce") == false
// anagrams(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
// Check if two words are anagrams of each other.
// anagrams(s0: "eabcd", s1: "dddddddabc") == true
// anagrams(s0: "abcd", s1: "dddddddabc") == true
// anagrams(s0: "eabcd", s1: "dddddddabc") == false
// anagrams(s0: "abcd", s1: "dddddddabce") == false
// anagrams(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func anagrams(s0: String, s1:func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func isSubsequence(s0: String, s1: String) -> Bool {
var index0 = s0.startIndex
var index1 = s1.startIndex
while index0 != s0.endIndex && index1 != s1.endIndex {
if s0[index0] == s1[index1] {
index0 = s0.index(after: index0)
}
index1 = s1.index(after: index1)
}
return index0 == s0.endIndex
}
func isSubsequenceOrSame(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) || sameChars(s0: s0, s1: s1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if a word is a subsequence of another word.
// isSubsequence(s0: "abc", s1: "dddzzzzzzzddeddabc") == true
// isSubsequence(s0: "abc", s1: "dddddddabc") == true
// isSubsequence(s0: "abc", s1: "dddddddabce") == false
// isSubsequence(s0: "abc", s1: "dddddddabcd") == true
// isSubsequence(s0: "abc", s1: "dddddddabce") == false
func isSubsequence(s0: String, s1: String) -> Bool {
var index0 = s0.startIndex
var index1 = s1.startIndex
while index0 != s0.endIndex && index1 != s1.endIndex {
if s0[index0] == s1[index1] {
index0 = s0.index(after: index0)
}
index1 = s1.index(after: index1)
}
return index0 == s0.endIndex
}
// Check if a word is a subsequence of another word, or if they have the same characters.
// isSubsequenceOrSame(s0: "abc", s1: "dddzzzzzzzddeddabc") == true
// isSubsequenceOrSame(s0: "abc", s1: "dddddddabc") == true
// isSubsequenceOrSame(s0: "abc", s1: "dddddddabce") == false
// isSubsequenceOrSame(s0: "abc", s1: "dddddddabcd") == true
// isSubsequenceOrSame(s0: "abc", s1: "dddddddabce") == false
// isSubsequenceOrSame(s0: "abc", s1: "abc") == true
// isSubsequenceOrSame(s0: "abc", s1: "abcd") == true
// isSubsequenceOrSame(s0: "abc", s1: "abce") == false
func isSubsequenceOrSame(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) || sameChars(s0: s0, s1: s1)
}
// Example usage:
let result = isSubsequenceOrSame(s0: "abc", s1: "dddddddabce")
print(result) // Output: false
```func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func isSubsequence(s0: String, s1: String) -> Bool {
var index = s1.startIndex
for char in s0 {
guard let nextIndex = s1[index...].range(of: String(char))?.upperBound else {
return false
}
index = nextIndex
}
return true
}
func isSubsequenceAndSameChars(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) && sameChars(s0: s0, s1: s1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if a word is a subsequence of another word.
// isSubsequence(s0: "abc", s1: "dddzzzzzzzddeddabc") == true
// isSubsequence(s0: "abcd", s1: "dddzzzzzzzddeddabc") == false
// isSubsequence(s0: "dddddddabc", s1: "abcd") == false
func isSubsequence(s0: String, s1: String) -> Bool {
var index = s1.startIndex
for char in s0 {
guard let nextIndex = s1[index...].range(of: String(char))?.upperBound else {
return false
}
index = nextIndex
}
return true
}
// Check if a word is a subsequence of another word and has the same characters.
// isSubsequenceAndSameChars(s0: "abc", s1: "dddzzzzzzzddeddabc") == true
// isSubsequenceAndSameChars(s0: "abcd", s1: "dddzzzzzzzddeddabc") == false
// isSubsequenceAndSameChars(s0: "dddddddabc", s1: "abcd") == false
// isSubsequenceAndSameChars(s0: "eabcd", s1: "dddddddabc") == false
// isSubsequenceAndSameChars(s0: "abcd", s1: "dddddddabce") == false
// isSubsequenceAndSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func isSubsequenceAndSameChars(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) && sameChars(s0: s0, s1: s1)
}
// Example usage:
let result = isSubsequenceAndSameChars(s0: "abc", s1: "dddzzzzzzzddeddabc")
print(result) // Output: true
```func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func isSubstring(s0: String, s1: String) -> Bool {
return s1.contains(s0)
}
func isSubstringOrSameChars(s0: String, s1: String) -> Bool {
return isSubstring(s0: s0, s1: s1) || sameChars(s0: s0, s1: s1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if a word is a substring of another word.
// isSubstring(s0: "abc", s1: "abcd") == true
// isSubstring(s0: "abcd", s1: "abc") == true
// isSubstring(s0: "abc", s1: "abce") == false
// isSubstring(s0: "abce", s1: "abc") == false
func isSubstring(s0: String, s1: String) -> Bool {
return s1.contains(s0)
}
// Check if a word is a substring of another word or has the same characters.
// isSubstringOrSameChars(s0: "abc", s1: "abcd") == true
// isSubstringOrSameChars(s0: "abcd", s1: "abc") == true
// isSubstringOrSameChars(s0: "abc", s1: "abce") == false
// isSubstringOrSameChars(s0: "abce", s1: "abc") == false
// isSubstringOrSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// isSubstringOrSameChars(s0: "dddddddabc", s1: "abcd") == true
// isSubstringOrSameChars(s0: "dddddddabc", s1: "dddzzzzzzzddeddabc") == true
// isSubstringOrSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
func isSubstringOrSameChars(s0: String, s1: String) -> Bool {
return isSubstring(s0: s0, s1: s1) || sameChars(s0: s0, s1: s1)
}
// Example usage:
print(isSubstringOrSameChars(s0: "abc", s1: "abcd")) // true
print(isSubstringOrSameChars(s0: "abcd", s1: "abc")) // true
print(isSubstringOrSameChars(s0: "abc", s1: "abce")) // false
print(isSubstringOrSameChars(s0: "abce", s1: "abc")) // false
print(isSubstringOrSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // true
print(isSubstringOrSameChars(s0: "dddddddabc", s1: "abcd")) // true
print(isSubstringOrSameChars(s0: "dddddddabc", s1: "dddzzzzzzzddeddabc")) // true
print(isSubstringOrSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // true
```func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func isSubsequence(s0: String, s1: String) -> Bool {
var index0 = s0.startIndex
var index1 = s1.startIndex
while index0 != s0.endIndex && index1 != s1.endIndex {
if s0[index0] == s1[index1] {
index0 = s0.index(after: index0)
}
index1 = s1.index(after: index1)
}
return index0 == s0.endIndex
}
func isSubsequenceAndSameChars(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) && sameChars(s0: s0, s1: s1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if a word is a subsequence of another word.
// isSubsequence(s0: "abc", s1: "dddddddabc") == true
// isSubsequence(s0: "abcd", s1: "dddddddabc") == true
// isSubsequence(s0: "dddddddabc", s1: "abcd") == false
// isSubsequence(s0: "abcd", s1: "dddddddabce") == false
// isSubsequence(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == false
func isSubsequence(s0: String, s1: String) -> Bool {
var index0 = s0.startIndex
var index1 = s1.startIndex
while index0 != s0.endIndex && index1 != s1.endIndex {
if s0[index0] == s1[index1] {
index0 = s0.index(after: index0)
}
index1 = s1.index(after: index1)
}
return index0 == s0.endIndex
}
// Check if a word is a subsequence of another word and has the same characters.
// isSubsequenceAndSameChars(s0: "abc", s1: "dddddddabc") == true
// isSubsequenceAndSameChars(s0: "abcd", s1: "dddddddabc") == true
// isSubsequenceAndSameChars(s0: "dddddddabc", s1: "abcd") == false
// isSubsequenceAndSameChars(s0: "abcd", s1: "dddddddabce") == false
// isSubsequenceAndSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == false
func isSubsequenceAndSameChars(s0: String, s1: String) -> Bool {
return isSubsequence(s0: s0, s1: s1) && sameChars(s0: s0, s1: s1)
}
// Example usage:
print(isSubsequenceAndSameChars(s0: "abc", s1: "dddddddabc")) // Output: true
print(isSubsequenceAndSameChars(s0: "abcd", s1: "dddddddabc")) // Output: true
print(isSubsequenceAndSameChars(s0: "dddddddabc", s1: "abcd")) // Output: false
print(isSubsequenceAndSameChars(s0: "abcd", s1: "dddddddabce")) // Output: false
print(isSubsequenceAndSameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // Output: false
```func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func sameCharsWithDuplicates(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0.count == charSet1.count && charSet0.isSubset(of: charSet1)
}
func sameCharsWithDuplicatesAndCaseSensitivity(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased())
let charSet1 = Set(s1.lowercased())
return charSet0.count == charSet1.count && charSet0.isSubset(of: charSet1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if two words have the same characters, including duplicates.
// sameCharsWithDuplicates(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameCharsWithDuplicates(s0: "abcd", s1: "dddddddabc") == true
// sameCharsWithDuplicates(s0: "dddddddabc", s1: "abcd") == true
// sameCharsWithDuplicates(s0: "eabcd", s1: "dddddddabc") == false
// sameCharsWithDuplicates(s0: "abcd", s1: "dddddddabce") == false
// sameCharsWithDuplicates(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameCharsWithDuplicates(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0.count == charSet1.count && charSet0.isSubset(of: charSet1)
}
// Check if two words have the same characters, including duplicates and considering case sensitivity.
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "abcd", s1: "dddddddabc") == true
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "dddddddabc", s1: "abcd") == true
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "eabcd", s1: "dddddddabc") == false
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "abcd", s1: "dddddddabce") == false
// sameCharsWithDuplicatesAndCaseSensitivity(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameCharsWithDuplicatesAndCaseSensitivity(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased())
let charSet1 = Set(s1.lowercased())
return charSet0.count == charSet1.count && charSet0.isSubset(of: charSet1)
}
// Example usage:
print(sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // true
print(sameCharsWithDuplicates(s0: "abcd", s1: "dddddddabc")) // true
print(sameCharsWithDuplicatesAndCaseSensitivity(s0: "eabcd", s1: "dddddddabc")) // false
```func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
func anagramsAfterRemovingCommonChars(s0: String, s1: String) -> Bool {
let commonChars = Set(s0).intersection(Set(s1))
let s0Removed = s0.filter { !commonChars.contains($0) }
let s1Removed = s1.filter { !commonChars.contains($0) }
return anagrams(s0: s0Removed, s1: s1Removed)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if two words are anagrams.
// anagrams(s0: "abc", s1: "cab") == true
// anagrams(s0: "abc", s1: "cba") == true
// anagrams(s0: "abc", s1: "cbaa") == false
// anagrams(s0: "abc", s1: "cbaaa") == false
func anagrams(s0: String, s1: String) -> Bool {
let sortedS0 = s0.sorted()
let sortedS1 = s1.sorted()
return sortedS0 == sortedS1
}
// Check if two words are anagrams of each other after removing common characters.
// anagramsAfterRemovingCommonChars(s0: "abc", s1: "cba") == true
// anagramsAfterRemovingCommonChars(s0: "abc", s1: "cbaa") == false
// anagramsAfterRemovingCommonChars(s0: "abc", s1: "cbaaa") == false
func anagramsAfterRemovingCommonChars(s0: String, s1: String) -> Bool {
let commonChars = Set(s0).intersection(Set(s1))
let s0Removed = s0.filter { !commonChars.contains($0) }
let s1Removed = s1.filter { !commonChars.contains($0) }
return anagrams(s0: s0Removed, s1: s1Removed)
}
// Example usage:
print(anagramsAfterRemovingCommonChars(s0: "abc", s1: "cba")) // Output: true
print(anagramsAfterRemovingCommonChars(s0: "abc", s1: "cbaa")) // Output: false
print(anagramsAfterRemovingCommonChars(s0: "abc", s1: "cbaaa")) // Output: false
```func sameChars(s0: String, s1: String) -> Bool {
let count0 = s0.reduce(into: [Character: Int]()) { $0[$1, default: 0] += 1 }
let count1 = s1.reduce(into: [Character: Int]()) { $0[$1, default: 0] += 1 }
return count0 == count1
}
func isPermutation(s0: String, s1: String) -> Bool {
return s0.count == s1.count && sameChars(s0: s0, s1: s1)
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let count0 = s0.reduce(into: [Character: Int]()) { $0[$1, default: 0] += 1 }
let count1 = s1.reduce(into: [Character: Int]()) { $0[$1, default: 0] += 1 }
return count0 == count1
}
// Check if a word is a permutation of another word.
// isPermutation(s0: "abc", s1: "cab") == true
// isPermutation(s0: "abc", s1: "abcd") == false
// isPermutation(s0: "abc", s1: "abca") == false
func isPermutation(s0: String, s1: String) -> Bool {
return s0.count == s1.count && sameChars(s0: s0, s1: s1)
}
// Example usage:
print(isPermutation(s0: "abc", s1: "cab")) // Output: true
print(isPermutation(s0: "abc", s1: "abcd")) // Output: false
print(isPermutation(s0: "abc", s1: "abca")) // Output: false
``` // XCTAssertTrue failedfunc sameChars(s0: String, s1: String) -> Bool {
let s0Chars = Array(s0)
let s1Chars = Array(s1)
// Sort the characters of both strings
let sortedS0Chars = s0Chars.sorted()
let sortedS1Chars = s1Chars.sorted()
// Compare the sorted arrays
return sortedS0Chars == sortedS1Chars
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let s0Chars = Array(s0)
let s1Chars = Array(s1)
// Sort the characters of both strings
let sortedS0Chars = s0Chars.sorted()
let sortedS1Chars = s1Chars.sorted()
// Compare the sorted arrays
return sortedS0Chars == sortedS1Chars
}
// Example usage:
print(sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // true
print(sameChars(s0: "abcd", s1: "dddddddabc")) // true
print(sameChars(s0: "dddddddabc", s1: "abcd")) // true
print(sameChars(s0: "eabcd", s1: "dddddddabc")) // false
print(sameChars(s0: "abcd", s1: "dddddddabce")) // false
print(sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc")) // false
``` // XCTAssertTrue failedfunc sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
func sameCharsIgnoreCase(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased())
let charSet1 = Set(s1.lowercased())
return charSet0 == charSet1
}
func sameCharsIgnoreCaseAndSpaces(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased().filter { !$0.isWhitespace })
let charSet1 = Set(s1.lowercased().filter { !$0.isWhitespace })
return charSet0 == charSet1
}```swift
// Check if two words have the same characters.
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameChars(s0: "abcd", s1: "dddddddabc") == true
// sameChars(s0: "dddddddabc", s1: "abcd") == true
// sameChars(s0: "eabcd", s1: "dddddddabc") == false
// sameChars(s0: "abcd", s1: "dddddddabce") == false
// sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameChars(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0)
let charSet1 = Set(s1)
return charSet0 == charSet1
}
// Check if two words have the same characters, ignoring case.
// sameCharsIgnoreCase(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameCharsIgnoreCase(s0: "abcd", s1: "dddddddabc") == true
// sameCharsIgnoreCase(s0: "dddddddabc", s1: "abcd") == true
// sameCharsIgnoreCase(s0: "eabcd", s1: "dddddddabc") == false
// sameCharsIgnoreCase(s0: "abcd", s1: "dddddddabce") == false
// sameCharsIgnoreCase(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameCharsIgnoreCase(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased())
let charSet1 = Set(s1.lowercased())
return charSet0 == charSet1
}
// Check if two words have the same characters, ignoring case and spaces.
// sameCharsIgnoreCaseAndSpaces(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc") == true
// sameCharsIgnoreCaseAndSpaces(s0: "abcd", s1: "dddddddabc") == true
// sameCharsIgnoreCaseAndSpaces(s0: "dddddddabc", s1: "abcd") == true
// sameCharsIgnoreCaseAndSpaces(s0: "eabcd", s1: "dddddddabc") == false
// sameCharsIgnoreCaseAndSpaces(s0: "abcd", s1: "dddddddabce") == false
// sameCharsIgnoreCaseAndSpaces(s0: "eabcdzzzz", s1: "dddzzzzzzzddddabc") == false
func sameCharsIgnoreCaseAndSpaces(s0: String, s1: String) -> Bool {
let charSet0 = Set(s0.lowercased().filter { !$0.isWhitespace })
let charSet1 = Set(s1.lowercased().filter { !$0.isWhitespace })
return charSet0 == charSet1
}
// Example usage:
print(sameChars(s0: "eabcdzzzz", s1: "dddzzzzzzzddeddabc")) // true
print(sameCharsIgnoreCase(s0: "abcd", s1: "dddddddabc")) // true
print(sameCharsIgnoreCaseAndSpaces(s0: "eabcd", s1: "dddddddabc")) // false
```func fib(n: Int) -> Int {
if n <= 2 {
return 1
} else {
return fib(n: n - 1) + fib(n: n - 2)
}
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 2 {
return 1
} else {
return fib(n: n - 1) + fib(n: n - 2)
}
}
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers not exceeding n.
// sumEvenFib(n: 10) == 10
// sumEvenFib(n: 34) == 44
func sumEvenFib(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
while b <= n {
if b % 2 == 0 {
sum += b
}
let temp = a
a = b
b = temp + b
}
return sum
}
// Return sum of all even Fibonacci numbers notfunc fib(n: Int) -> Int {
if n <= 1 {
return n
} else {
return fib(n: n - 1) + fib(n: n - 2)
}
}
func fib(n: Int) -> Int {
var a = 0
var b = 1
for _ in 0..<n {
let temp = a
a = b
b = temp + b
}
return a
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
} else {
return fib(n: n - 1) + fib(n: n - 2)
}
}
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
var a = 0
var b = 1
for _ in 0..<n {
let temp = a
a = b
b = temp + b
}
return a
}
```func fib(n: Int) -> Int { // invalid redeclaration of 'fib(n:)'func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
var c = 0
for _ in 2...n {
c = a + b
a = b
b = c
}
return c
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
var c = 0
for _ in 2...n {
c = a + b
a = b
b = c
}
return c
}
```func fib(n: Int) -> Int {
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
}
return a
}
func fibonacciSum(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
sum += a
}
return sum
}
func fibonacciSumAdvanced(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
sum += c
}
return sum
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
}
return a
}
// Return the sum of the first nth values of the Fibonacci sequence.
// fibonacciSum(n: 5) == 12
// fibonacciSum(n: 10) == 88
func fibonacciSum(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
sum += a
}
return sum
}
// Return the sum of the first nth values of the Fibonacci sequence,
// where each value is the sum of the two preceding ones, starting from 0 and 1.
// fibonacciSumAdvanced(n: 5) == 12
// fibonacciSumAdvanced(n: 10) == 88
func fibonacciSumAdvanced(n: Int) -> Int {
var sum = 0
var a = 0
var b = 1
var c = 0
for _ in 0..<n {
c = a + b
a = b
b = c
sum += c
}
return sum
}
// Example usage:
print(fibonacciSumAdvanced(n: 5)) // Output: 12
print(fibonacciSumAdvanced(n: 10)) // Output: 88
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
func fibRecursive(n: Int) -> Int {
if n <= 1 {
return n
}
return fibRecursive(n: n - 1) + fibRecursive(n: n - 2)
}
func fibMemoized(n: Int) -> Int {
var memo = [Int: Int]()
func fibHelper(n: Int) -> Int {
if let value = memo[n] {
return value
}
let result: Int
if n <= 1 {
result = n
} else {
result = fibHelper(n: n - 1) + fibHelper(n: n - 2)
}
memo[n] = result
return result
}
return fibHelper(n: n)
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
// Return n-th Fibonacci number using recursion.
// fibRecursive(n: 10) == 55
// fibRecursive(n: 1) == 1
// fibRecursive(n: 8) == 21
func fibRecursive(n: Int) -> Int {
if n <= 1 {
return n
}
return fibRecursive(n: n - 1) + fibRecursive(n: n - 2)
}
// Return n-th Fibonacci number using memoization.
// fibMemoized(n: 10) == 55
// fibMemoized(n: 1) == 1
// fibMemoized(n: 8) == 21
func fibMemoized(n: Int) -> Int {
var memo = [Int: Int]()
func fibHelper(n: Int) -> Int {
if let value = memo[n] {
return value
}
let result: Int
if n <= 1 {
result = n
} else {
result = fibHelper(n: n - 1) + fibHelper(n: n - 2)
}
memo[n] = result
return result
}
return fibHelper(n: n)
}
// Unit tests for the generated functions.
assert(fib(n: 10) == 55, "Test failed for n = 10")
assert(fib(n: 1) == 1, "Test failed for n = 1")
assert(fib(n: 8) == 21, "Test failed for n = 8")
assert(fibRecursive(n: 10) == 55, "Test failed for n = 10")
assert(fibRecursive(n: 1) == 1, "Test failed for n = 1")
assert(fibRecursive(n: 8) == 21, "Test failed for n = 8")
assert(fibMemoized(n: 10) == 55, "Test failed for n = 10")
assert(fibMemoized(n: 1) == 1, "Test failed for n = 1")
assert(fibMemoized(n: 8) == 21, "Test failed for n = 8")
print("All tests passed!")
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 1..<n {
let temp = a
a = b
b = temp + b
}
return b
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 1..<n {
let temp = a
a = b
b = temp + b
}
return b
}
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
func fibSum(n: Int) -> Int {
var sum = 0
for i in 0..<n {
sum += fib(n: i)
}
return sum
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a
a = b
b = temp + b
}
return b
}
// Return the sum of the first nth values of the Fibonacci sequence.
// fibSum(n: 5) == 12
// fibSum(n: 10) == 88
func fibSum(n: Int) -> Int {
var sum = 0
for i in 0..<n {
sum += fib(n: i)
}
return sum
}
// Example usage:
print(fibSum(n: 5)) // Output: 12
print(fibSum(n: 10)) // Output: 88
```func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a + b
a = b
b = temp
}
return b
}
func digitCount(n: Int) -> Int {
return String(n).count
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
func sumOfDigits(n: Int) -> Int {
return String(n).reduce(0) { $0 + Int(String($1))! }
}
func reverseNumber(n: Int) -> Int {
return Int(String(String(n).reversed()))!
}
func reverseDigitCount(n: Int) -> Int {
return String(reverseNumber(n: n)).count
}
func reverseFactorial(n: Int) -> Int {
return reverseNumber(n: factorial(n: n))
}
func reverseSumOfDigits(n: Int) -> Int {
return sumOfDigits(n: reverseNumber(n: n))
}
func sumOfDigitCount(n: Int) -> Int {
return String(sumOfDigits(n: n)).count
}
func reverseSumOfDigitsOfReverse(n: Int) -> Int {
return reverseNumber(n: sumOfDigits(n: reverseNumber(n: n)))
}
func sumOfDigitCountOfReverse(n: Int) -> Int {
return String(sumOfDigits(n: reverseNumber(n: n))).count
}```swift
// Return n-th Fibonacci number.
// fib(n: 10) == 55
// fib(n: 1) == 1
// fib(n: 8) == 21
func fib(n: Int) -> Int {
if n <= 1 {
return n
}
var a = 0
var b = 1
for _ in 2...n {
let temp = a + b
a = b
b = temp
}
return b
}
// Return the number of digits of a given number n.
// digitCount(n: 123) == 3
// digitCount(n: 1000) == 4
func digitCount(n: Int) -> Int {
return String(n).count
}
// Return the factorial of a given number n.
// factorial(n: 5) == 120
// factorial(n: 3) == 6
func factorial(n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
// Return the sum of the digits of a given number n.
// sumOfDigits(n: 123) == 6
// sumOfDigits(n: 104) == 5
func sumOfDigits(n: Int) -> Int {
return String(n).reduce(0) { $0 + Int(String($1))! }
}
// Return the reverse of the given number n.
// reverseNumber(n: 123) == 321
// reverseNumber(n: 456) == 654
func reverseNumber(n: Int) -> Int {
return Int(String(String(n).reversed()))!
}
// Return the number of digits of the reverse of a given number n.
// reverseDigitCount(n: 123) == 3
// reverseDigitCount(n: 1000) == 4
func reverseDigitCount(n: Int) -> Int {
return String(reverseNumber(n: n)).count
}
// Return the reverse of the factorial of a given number n.
// reverseFactorial(n: 5) == 120
// reverseFactorial(n: 3) == 6
func reverseFactorial(n: Int) -> Int {
return reverseNumber(n: factorial(n: n))
}
// Return the sum of the digits of the reverse of a given number n.
// reverseSumOfDigits(n: 123) == 6
// reverseSumOfDigits(n: 104) == 5
func reverseSumOfDigits(n: Int) -> Int {
return sumOfDigits(n: reverseNumber(n: n))
}
// Return the number of digits of the sum of the digits of a given number n.
// sumOfDigitCount(n: 123) == 3
// sumOfDigitCount(n: 104) == 2
func sumOfDigitCount(n: Int) -> Int {
return String(sumOfDigits(n: n)).count
}
// Return the reverse of the sum of the digits of the reverse of a given number n.
// reverseSumOfDigitsOfReverse(n: 123) == 6
// reverseSumOfDigitsOfReverse(n: 104) == 5
func reverseSumOfDigitsOfReverse(n: Int) -> Int {
return reverseNumber(n: sumOfDigits(n: reverseNumber(n: n)))
}
// Return the number of digits of the sum of the digits of the reverse of a given number n.
// sumOfDigitCountOfReverse(n: 123) == 3
// sumOfDigitCountOfReverse(n: 104) == 2
func sumOfDigitCountOfReverse(n: Int) -> Int {
return String(sumOfDigits(n: reverseNumber(n: n))).count
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Example usage:
print(correctBracketing(brackets: "<")) // Output: false
print(correctBracketing(brackets: "<>")) // Output: true
print(correctBracketing(brackets: "<<><>>")) // Output: true
print(correctBracketing(brackets: "><<>")) // Output: false
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty || stack.last != "<" {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty || stack.last != "<" {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Example usage:
print(correctBracketing(brackets: "<")) // Output: false
print(correctBracketing(brackets: "<>")) // Output: true
print(correctBracketing(brackets: "<<><>>")) // Output: true
print(correctBracketing(brackets: "><<>")) // Output: false
```func correctBracketing(brackets: String) -> Bool {
// your code here
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
// your code here
}
```} // missing return in global function expected to return 'Bool'func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty || stack.last != "<" {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty || stack.last != "<" {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Example usage:
print(correctBracketing(brackets: "<")) // Output: false
print(correctBracketing(brackets: "<>")) // Output: true
print(correctBracketing(brackets: "<<><>>")) // Output: true
print(correctBracketing(brackets: "><<>")) // Output: false
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "<" and ">".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "<") == false
// correctBracketing(brackets: "<>") == true
// correctBracketing(brackets: "<<><>>") == true
// correctBracketing(brackets: "><<>") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "<" {
stack.append(char)
} else if char == ">" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Example usage:
print(correctBracketing(brackets: "<")) // Output: false
print(correctBracketing(brackets: "<>")) // Output: true
print(correctBracketing(brackets: "<<><>>")) // Output: true
print(correctBracketing(brackets: "><<>")) // Output: false
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count - 1 {
if l[i] > l[i + 1] {
increasing = false
}
if l[i] < l[i + 1] {
decreasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count - 1 {
if l[i] > l[i + 1] {
increasing = false
}
if l[i] < l[i + 1] {
decreasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 1..<l.count {
if l[i] > l[i - 1] {
decreasing = false
} else if l[i] < l[i - 1] {
increasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
var increasing = true
var decreasing = true
for i in 1..<l.count {
if l[i] > l[i - 1] {
decreasing = false
} else if l[i] < l[i - 1] {
increasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let diffs = zip(l, l.dropFirst()).map { $0 - $1 }
let isIncreasing = diffs.allSatisfy { $0 >= 0 }
let isDecreasing = diffs.allSatisfy { $0 <= 0 }
return isIncreasing || isDecreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let diffs = zip(l, l.dropFirst()).map { $0 - $1 }
let isIncreasing = diffs.allSatisfy { $0 >= 0 }
let isDecreasing = diffs.allSatisfy { $0 <= 0 }
return isIncreasing || isDecreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let direction = l[1] - l[0]
for i in 1..<l.count {
if (l[i] - l[i - 1]) * direction < 0 {
return false
}
}
return true
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let direction = l[1] - l[0]
for i in 1..<l.count {
if (l[i] - l[i - 1]) * direction < 0 {
return false
}
}
return true
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
var increasing = true
var decreasing = true
for i in 0..<l.count-1 {
if l[i] > l[i+1] {
increasing = false
}
if l[i] < l[i+1] {
decreasing = false
}
}
return increasing || decreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
let isIncreasing = l.enumerated().allSatisfy { $0.offset == 0 || l[$0.offset] >= l[$0.offset - 1] }
let isDecreasing = l.enumerated().allSatisfy { $0.offset == 0 || l[$0.offset] <= l[$0.offset - 1] }
return isIncreasing || isDecreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
let isIncreasing = l.enumerated().allSatisfy { $0.offset == 0 || l[$0.offset] >= l[$0.offset - 1] }
let isDecreasing = l.enumerated().allSatisfy { $0.offset == 0 || l[$0.offset] <= l[$0.offset - 1] }
return isIncreasing || isDecreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let isIncreasing = l.reduce(true) { $0 && ($1 >= l[$0.1 - 1]) }
let isDecreasing = l.reduce(true) { $0 && ($1 <= l[$0.1 - 1]) }
return isIncreasing || isDecreasing
}```swift
// Return true is array elements are monotonically increasing or decreasing.
// monotonic(l: [1, 2, 4, 20]) == true
// monotonic(l: [1, 20, 4, 10]) == false
// monotonic(l: [4, 1, 0, -10]) == true
func monotonic(l: [Int]) -> Bool {
if l.count < 2 {
return true
}
let isIncreasing = l.reduce(true) { $0 && ($1 >= l[$0.1 - 1]) }
let isDecreasing = l.reduce(true) { $0 && ($1 <= l[$0.1 - 1]) }
return isIncreasing || isDecreasing
}
// Example usage:
print(monotonic(l: [1, 2, 4, 20])) // Output: true
print(monotonic(l: [1, 20, 4, 10])) // Output: false
print(monotonic(l: [4, 1, 0, -10])) // Output: true
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
let commonElements = common(l1: list1, l2: list2)
print(commonElements) // Output: [1, 5, 653]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
let commonElements = common(l1: list1, l2: list2)
print(commonElements) // Output: [1, 5, 653]
```func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}```swift
// Return sorted unique common elements for two arrays.
// common(l1: [1, 4, 3, 34, 653, 2, 5], l2: [5, 7, 1, 5, 9, 653, 121]) == [1, 5, 653]
// common(l1: [5, 3, 2, 8], l2: [3, 2]) == [2, 3]
func common(l1: [Int], l2: [Int]) -> [Int] {
let set1 = Set(l1)
let set2 = Set(l2)
let commonElements = set1.intersection(set2)
return Array(commonElements).sorted()
}
// Example usage:
let list1 = [1, 4, 3, 34, 653, 2, 5]
let list2 = [5, 7, 1, 5, 9, 653, 121]
print(common(l1: list1, l2: list2)) // Output: [1, 5, 653]
let list3 = [5, 3, 2, 8]
let list4 = [3, 2]
print(common(l1: list3, l2: list4)) // Output: [2, 3]
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))) + 1, by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))) + 1, by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var i = 2
while i * i <= n {
while n % i == 0 {
n /= i
}
i += 1
}
return n
}
func smallestPrimeFactor(n: Int) -> Int {
var n = n
if n % 2 == 0 {
return 2
}
var i = 3
while i * i <= n {
if n % i == 0 {
return i
}
i += 2
}
return n
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var i = 2
while i * i <= n {
while n % i == 0 {
n /= i
}
i += 1
}
return n
}
// Return the smallest prime factor of n. Assume n > 1.
// smallestPrimeFactor(n: 13195) == 5
// smallestPrimeFactor(n: 2) == 2
func smallestPrimeFactor(n: Int) -> Int {
var n = n
if n % 2 == 0 {
return 2
}
var i = 3
while i * i <= n {
if n % i == 0 {
return i
}
i += 2
}
return n
}
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var i = 2
while i * i <= n {
while n % i == 0 {
n /= i
}
i += 1
}
return n
}
// Return the smallest prime factor of n. Assume n > 1.
// smallestPrimeFactor(n: 13195) == 5
// smallestPrimeFactor(n: 2) == 2
func smallestPrimeFactor(n: Int) -> Int {
var n = n
if n % 2 == 0 {
return 2
}
var i = 3
while i * i <= n {
if n % i == 0 {
return i
}
i += 2
}
return n
}
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var i = 2
while i * i <= n {
while n % i == 0 {
n /= i
}
i += 1
}
return n
}
// Return the smallest prime factor of n. Assume n > 1.
// smallestPrimeFactor(n: 13195) == 5
// smallestPrimeFactor(n: 2) == 2
func smallestPrimeFactor(n: Int) -> Int {
var n = n
if n % 2 == 0 {
return 2
}
var i = 3
while i * i <= n {
if n % i == 0 {
return i
}
i += 2
}
return n
}
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var i = 2
while i * i <= n {
while n % i == 0 {
n /= i
}
i += 1
}
return n
}
// Return the smallest prime factor of n. Assume n > 1.
// smallestPrimeFactor(n: 13195) == 5
// smallestPrimeFactor(n: 2) == 2
func smallestPrimeFactor(n: Int) -> Int {
var n = n
if n % 2 == 0 {
return 2
}
var i = 3
while i * i <= n {
if n % i == 0 {
return i
}
i += 2
}
return n
}
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrvar n = n // variable 'n' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 (i += 2) can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
``` // XCTAssertTrue failedfunc largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, through: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = -1
// Divide n by 2 until it's odd
while n % 2 == 0 {
maxPrime = 2
n /= 2
}
// n must be odd at this point, so a skip of 2 can be used
for i in stride(from: 3, to: Int(sqrt(Double(n))), by: 2) {
while n % i == 0 {
maxPrime = i
n /= i
}
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
``` // XCTAssertTrue failedfunc largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = 2
// Divide n by 2 until it's odd
while n % 2 == 0 {
n /= 2
}
// Check for odd factors starting from 3
var factor = 3
while factor * factor <= n {
while n % factor == 0 {
maxPrime = factor
n /= factor
}
factor += 2
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}```swift
// Return the largest prime factor of n. Assume n > 1 and is not a prime.
// largestPrimeFactor(n: 13195) == 29
// largestPrimeFactor(n: 2048) == 2
func largestPrimeFactor(n: Int) -> Int {
var n = n
var maxPrime = 2
// Divide n by 2 until it's odd
while n % 2 == 0 {
n /= 2
}
// Check for odd factors starting from 3
var factor = 3
while factor * factor <= n {
while n % factor == 0 {
maxPrime = factor
n /= factor
}
factor += 2
}
// If n is a prime number greater than 2
if n > 2 {
maxPrime = n
}
return maxPrime
}
// Example usage:
print(largestPrimeFactor(n: 13195)) // Output: 29
print(largestPrimeFactor(n: 2048)) // Output: 2
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
func main() {
let testCases = [
(30, 465),
(100, 5050),
(5, 15),
(10, 55),
(1, 1)
]
for (n, expected) in testCases {
let result = sumToN(n: n)
assert(result == expected, "Test failed for n = \(n): expected \(expected), got \(result)")
print("sumToN(n: \(n)) = \(result)")
}
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// main is the entry point for the program.
func main() {
let testCases = [
(30, 465),
(100, 5050),
(5, 15),
(10, 55),
(1, 1)
]
for (n, expected) in testCases {
let result = sumToN(n: n)
assert(result == expected, "Test failed for n = \(n): expected \(expected), got \(result)")
print("sumToN(n: \(n)) = \(result)")
}
}
// Call the main function to run the tests.
main()
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// Example usage:
print(sumToN(n: 30)) // Should print 465
print(sumToN(n: 100)) // Should print 5050
print(sumToN(n: 5)) // Should print 15
print(sumToN(n: 10)) // Should print 55
print(sumToN(n: 1)) // Should print 1
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// Example usage:
print(sumToN(n: 30)) // Should print 465
print(sumToN(n: 100)) // Should print 5050
print(sumToN(n: 5)) // Should print 15
print(sumToN(n: 10)) // Should print 55
print(sumToN(n: 1)) // Should print 1
```func sumToN(n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
print(sumToN(n: 30)) // Output: 465
print(sumToN(n: 100)) // Output: 5050
print(sumToN(n: 5)) // Output: 15
print(sumToN(n: 10)) // Output: 55
print(sumToN(n: 1)) // Output: 1
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
func sumToNIterative(n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}
func sumToNRecursive(n: Int) -> Int {
if n == 1 {
return 1
} else {
return n + sumToNRecursive(n: n - 1)
}
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// sum_to_n_iterative is a function that sums numbers from 1 to n using an iterative approach.
// sumToNIterative(n: 30) == 465
// sumToNIterative(n: 100) == 5050
// sumToNIterative(n: 5) == 15
// sumToNIterative(n: 10) == 55
// sumToNIterative(n: 1) == 1
func sumToNIterative(n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}
// sum_to_n_recursive is a function that sums numbers from 1 to n using a recursive approach.
// sumToNRecursive(n: 30) == 465
// sumToNRecursive(n: 100) == 5050
// sumToNRecursive(n: 5) == 15
// sumToNRecursive(n: 10) == 55
// sumToNRecursive(n: 1) == 1
func sumToNRecursive(n: Int) -> Int {
if n == 1 {
return 1
} else {
return n + sumToNRecursive(n: n - 1)
}
}
// Example usage:
print(sumToN(n: 30)) // Output: 465
print(sumToNIterative(n: 30)) // Output: 465
print(sumToNRecursive(n: 30)) // Output: 465
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// Example usage:
print(sumToN(n: 30)) // Output: 465
print(sumToN(n: 100)) // Output: 5050
print(sumToN(n: 5)) // Output: 15
print(sumToN(n: 10)) // Output: 55
print(sumToN(n: 1)) // Output: 1
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
func sumToNIsN(n: Int) -> Bool {
return sumToN(n: n) == n
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// sum_to_n_is_n is a function that checks if the sum of numbers from 1 to n is equal to n.
// sumToNIsN(n: 5) == true
// sumToNIsN(n: 10) == true
// sumToNIsN(n: 1) == true
// sumToNIsN(n: 2) == false
// sumToNIsN(n: 3) == false
func sumToNIsN(n: Int) -> Bool {
return sumToN(n: n) == n
}
// Example usage:
print(sumToNIsN(n: 5)) // Should return true
print(sumToNIsN(n: 10)) // Should return true
print(sumToNIsN(n: 1)) // Should return true
print(sumToNIsN(n: 2)) // Should return false
print(sumToNIsN(n: 3)) // Should return false
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// Example usage:
print(sumToN(n: 30)) // Should print 465
print(sumToN(n: 100)) // Should print 5050
print(sumToN(n: 5)) // Should print 15
print(sumToN(n: 10)) // Should print 55
print(sumToN(n: 1)) // Should print 1
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
func sumToNRecursive(n: Int) -> Int {
if n == 1 {
return 1
} else {
return n + sumToNRecursive(n: n - 1)
}
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// sum_to_n_recursive is a function that sums numbers from 1 to n using recursion.
// sumToNRecursive(n: 30) == 465
// sumToNRecursive(n: 100) == 5050
// sumToNRecursive(n: 5) == 15
// sumToNRecursive(n: 10) == 55
// sumToNRecursive(n: 1) == 1
func sumToNRecursive(n: Int) -> Int {
if n == 1 {
return 1
} else {
return n + sumToNRecursive(n: n - 1)
}
}
// Example usage:
print(sumToN(n: 30)) // Output: 465
print(sumToNRecursive(n: 30)) // Output: 465
```func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}```swift
// sum_to_n is a function that sums numbers from 1 to n.
// sumToN(n: 30) == 465
// sumToN(n: 100) == 5050
// sumToN(n: 5) == 15
// sumToN(n: 10) == 55
// sumToN(n: 1) == 1
func sumToN(n: Int) -> Int {
return n * (n + 1) / 2
}
// Example usage:
print(sumToN(n: 30)) // Output: 465
print(sumToN(n: 100)) // Output: 5050
print(sumToN(n: 5)) // Output: 15
print(sumToN(n: 10)) // Output: 55
print(sumToN(n: 1)) // Output: 1
```func correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return false
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return false
}
``` // XCTAssertTrue failedfunc correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return false
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return false
}
correctBracketing(brackets: "(") == false
correctBracketing(brackets: "()") == true
correctBracketing(brackets: "(()())") == true
correctBracketing(brackets: ")(()") == false
``` // XCTAssertTrue failedfunc correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return true
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
// TODO: Implement this function to pass the tests
return true
}
``` // XCTAssertTrue failedfunc correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Example usage:
print(correctBracketing(brackets: "(")) // Output: false
print(correctBracketing(brackets: "()")) // Output: true
print(correctBracketing(brackets: "(()())")) // Output: true
print(correctBracketing(brackets: ")(()")) // Output: false
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
// Test cases
assert(correctBracketing(brackets: "(") == false)
assert(correctBracketing(brackets: "()") == true)
assert(correctBracketing(brackets: "(()())") == true)
assert(correctBracketing(brackets: ")(()") == false)
print("All test cases passed.")
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}```swift
// brackets is a string of "(" and ")".
// return true if every opening bracket has a corresponding closing bracket.
// correctBracketing(brackets: "(") == false
// correctBracketing(brackets: "()") == true
// correctBracketing(brackets: "(()())") == true
// correctBracketing(brackets: ")(()") == false
func correctBracketing(brackets: String) -> Bool {
var stack = [Character]()
for char in brackets {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty {
return false
}
stack.removeLast()
}
}
return stack.isEmpty
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
func divide(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotient = remainder[degreeDiff] / ys[ys.count - 1]
result.insert(quotient, at: 0)
for i in 0..<ys.count {
remainder[degreeDiff + i] -= quotient * ys[i]
}
}
return result
}
func remainder(xs: [Int], ys: [Int]) -> [Int] {
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotient = remainder[degreeDiff] / ys[ys.count - 1]
for i in 0..<ys.count {
remainder[degreeDiff + i] -= quotient * ys[i]
}
}
return remainder
}
func gcd(xs: [Int], ys: [Int]) -> [Int] {
var x = xs
var y = ys
while y.count > 0 {
x = remainder(xs: x, ys: y)
y = xs
xs = y
y = x
}
return x
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return the sum of two polynomials in the same form.
// add(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [4, 3, 5, 4, 5]
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
// Return the product of two polynomials in the same form.
// multiply(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 7, 18, 32, 55, 80, 120]
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
// Return the quotient of two polynomials in the same form.
// divide(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 1, 2, 4, 5] / [1, 2, 3] == [3, 1, 2, 4, 5]
func divide(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotient = remainder[degreeDiff] / ys[ys.count - 1]
result.insert(quotient, at: 0)
for i in 0..<ys.count {
remainder[degreeDiff + i] -= quotient * ys[i]
}
}
return result
}
// Return the remainder of two polynomials in the same form.
// remainder(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 1, 2, 4, 5] % [1, 2, 3] == [5]
func remainder(xs: [Int], ys: [Int]) -> [Int] {
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotient = remainder[degreeDiff] / ys[ys.count - 1]
for i in 0..<ys.count {
remainder[degreeDiff + i] -= quotient * ys[i]
}
}
return remainder
}
// Return the gcd of two polynomials in the same form.
// gcd(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [1, 2, 3]
func gcd(xs: [Int], ys: [Int]) -> [Int] {
var x = xs
var y = ys
while y.count > 0 {
x = remainder(xs: x, ys: y)
y = xs
xs = y
y = x
}
return x
}
// Return the lcm of two polynomials in the same form.
// lcm(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 1, 2,xs = y // cannot assign to value: 'xs' is a 'let' constantfunc derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
func integrate(xs: [Int], c: Int = 0) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + 1)
result[0] = c
for i in 1..<xs.count + 1 {
result[i] = xs[i - 1] / i
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return the sum of two polynomials in the same form.
// add(xs: [1, 2, 3], ys: [3, 2, 1]) == [4, 4, 4]
// add(xs: [1, 2, 3], ys: [3, 2]) == [4, 4, 3]
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
// Return the product of two polynomials in the same form.
// multiply(xs: [1, 2, 3], ys: [3, 2, 1]) == [3, 8, 15, 12, 9]
// multiply(xs: [1, 2, 3], ys: [3, 2]) == [3, 10, 15, 12]
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
// Return the integral of a polynomial in the same form.
// integrate(xs: [1, 2, 3]) == [0, 1, 1, 1]
// integrate(xs: [1, 2, 3], c: 5) == [5, 0, 1, 1, 1]
func integrate(xs: [Int], c: Int = 0) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + 1)
result[0] = c
for i in 1..<xs.count + 1 {
result[i] = xs[i - 1] / i
}
return result
}
// Return the sum of two polynomials in the same form.
// add(xs: [1, 2, 3], ys: [3, 2, 1]) == [4, 4, 4]
// add(xs: [1, 2, 3], ys: [3, 2]) == [4, 4, 3]
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
// Return the product of two polynomials in the same form.
// multiply(xs: [1, 2, 3], ys: [3, 2, 1]) == [3, 8, 15, 12, 9]
// multiply(xs: [1, 2, 3], ys: [3, 2]) == [3, 10, 15, 12]
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
func divide(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
var quotient = [Int](repeating: 0, count: xs.count)
var remainder = xs
let degree = ys.count - 1
while remainder.count >= ys.count && remainder.last! != 0 {
let factor = remainder.last! / ys.last!
for i in 0..<degree {
remainder[remainder.count - degree + i] -= factor * ys[degree - i]
}
remainder.removeLast()
quotient[quotient.count - degree - 1] = factor
}
return (quotient, remainder)
}
func power(xs: [Int], n: Int) -> [Int] {
if n == 0 {
return [1]
}
var result = xs
for _ in 1..<n {
result = multiply(xs: result, ys: xs)
}
return result
}
func roots(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<xs.count {
result.append(xs[i])
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return sum of two polynomials in the same form.
// add(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [4, 3, 5, 4, 5]
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
// Return product of two polynomials in the same form.
// multiply(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 8, 17, 34, 55, 80, 120]
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
// Return quotient and remainder of polynomial division.
// divide(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == ([3, 1, 2, 4, 5], [0, 0, 0, 0])
func divide(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
var quotient = [Int](repeating: 0, count: xs.count)
var remainder = xs
let degree = ys.count - 1
while remainder.count >= ys.count && remainder.last! != 0 {
let factor = remainder.last! / ys.last!
for i in 0..<degree {
remainder[remainder.count - degree + i] -= factor * ys[degree - i]
}
remainder.removeLast()
quotient[quotient.count - degree - 1] = factor
}
return (quotient, remainder)
}
// Return polynomial raised to a non-negative integer power.
// power(xs: [3, 1, 2, 4, 5], n: 3) == [3, 9, 27, 108, 270, 540, 960]
func power(xs: [Int], n: Int) -> [Int] {
if n == 0 {
return [1]
}
var result = xs
for _ in 1..<n {
result = multiply(xs: result, ys: xs)
}
return result
}
// Return the roots of a polynomial.
// roots(xs: [3, 1, 2, 4, 5]) == [-1, -1, -1, -1, -1]
func roots(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<xs.count {
result.append(xs[i])
}
return result
}
// Return the roots of a polynomial.
// roots(xs: [3, 1, 2, 4, 5]) == [-1, -1, -1, -1, -1]
func roots(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<xs.count {
result.append(xs[i])
}
return result
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
while i < xs.count || i < ys.count {
if i < xs.count && i < ys.count {
result.append(xs[i] + ys[i])
} else if i < xs.count {
result.append(xs[i])
} else {
result.append(ys[i])
}
i += 1
}
return result
}
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
func divide(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
var quotient = [Int](repeating: 0, count: xs.count)
var remainder = xs
while remainder.count >= ys.count {
let degree = remainder.count - ys.count
quotient[degree] = remainder[degree + ys.count - 1] / ys[ys.count - 1]
for i in 0..<ys.count {
remainder[degree + i] -= quotient[degree] * ys[i]
}
}
return (quotient, remainder)
}
func remainder(xs: [Int], ys: [Int]) -> [Int] {
return divide(xs: xs, ys: ys).1
}
func gcd(xs: [Int], ys: [Int]) -> [Int] {
var x = xs
var y = ys
while y.count > 0 {
x = remainder(xs: x, ys: y)
y = xs
xs = y
y = x
}
return xs
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return the sum of two polynomials in the same form.
// add(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [4, 3, 5, 4, 5]
func add(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
while i < xs.count || i < ys.count {
if i < xs.count && i < ys.count {
result.append(xs[i] + ys[i])
} else if i < xs.count {
result.append(xs[i])
} else {
result.append(ys[i])
}
i += 1
}
return result
}
// Return the product of two polynomials in the same form.
// multiply(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 8, 21, 40, 65, 72, 50]
func multiply(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
// Return the quotient and remainder of dividing two polynomials.
// divide(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == ([3, 8, 21, 40, 65, 72, 50], [0, 0, 0, 0, 0, 0, 0])
func divide(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
var quotient = [Int](repeating: 0, count: xs.count)
var remainder = xs
while remainder.count >= ys.count {
let degree = remainder.count - ys.count
quotient[degree] = remainder[degree + ys.count - 1] / ys[ys.count - 1]
for i in 0..<ys.count {
remainder[degree + i] -= quotient[degree] * ys[i]
}
}
return (quotient, remainder)
}
// Return the remainder of dividing two polynomials.
// remainder(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [0, 0, 0, 0, 0, 0, 0]
func remainder(xs: [Int], ys: [Int]) -> [Int] {
return divide(xs: xs, ys: ys).1
}
// Return the greatest common divisor of two polynomials.
// gcd(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [1, 2, 3]
func gcd(xs: [Int], ys: [Int]) -> [Int] {
var x = xs
var y = ys
while y.count > 0 {
x = remainder(xs: x, ys: y)
y = xs
xs = y
y = x
}
return xs
}
// Return the least common multiple of two polynomials.
// lcm(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 1, 2, 4, 5, 1, 2, 3]
func lcm(xs: [Int], ys: [Int]) -> [Int] {
return multiply(xs: xs, ys: ys) /xs = y // cannot assign to value: 'xs' is a 'let' constantfunc derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func integral(xs: [Int]) -> [Int] {
var result = [Int]()
result.append(0)
for i in 1..<xs.count {
result.append(xs[i] / i)
}
return result
}
func sum(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
var j = 0
while i < xs.count || j < ys.count {
if i < xs.count && j < ys.count {
result.append(xs[i] + ys[j])
i += 1
j += 1
} else if i < xs.count {
result.append(xs[i])
i += 1
} else if j < ys.count {
result.append(ys[j])
j += 1
}
}
return result
}
func product(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<xs.count {
for j in 0..<ys.count {
result.append(xs[i] * ys[j])
}
}
return result
}
func quotient(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
var j = 0
while i < xs.count && j < ys.count {
if xs[i] == ys[j] {
result.append(1)
i += 1
j += 1
} else {
result.append(0)
i += 1
}
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return integral of this polynomial in the same form.
// integral(xs: [1, 2, 3]) == [0, 1, 1, 1]
// integral(xs: [3, 1, 2, 4, 5]) == [0, 3, 1, 2, 4, 5]
func integral(xs: [Int]) -> [Int] {
var result = [Int]()
result.append(0)
for i in 1..<xs.count {
result.append(xs[i] / i)
}
return result
}
// Return sum of two polynomials in the same form.
// sum(xs: [1, 2, 3], ys: [3, 1, 2, 4, 5]) == [4, 3, 5, 4, 5]
// sum(xs: [1, 2, 3], ys: [1, 2, 3]) == [2, 4, 6]
func sum(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
var j = 0
while i < xs.count || j < ys.count {
if i < xs.count && j < ys.count {
result.append(xs[i] + ys[j])
i += 1
j += 1
} else if i < xs.count {
result.append(xs[i])
i += 1
} else if j < ys.count {
result.append(ys[j])
j += 1
}
}
return result
}
// Return product of two polynomials in the same form.
// product(xs: [1, 2, 3], ys: [3, 1, 2, 4, 5]) == [3, 5, 8, 14, 20, 27, 35, 45]
// product(xs: [1, 2, 3], ys: [1, 2, 3]) == [1, 4, 10, 18]
func product(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<xs.count {
for j in 0..<ys.count {
result.append(xs[i] * ys[j])
}
}
return result
}
// Return quotient of two polynomials in the same form.
// quotient(xs: [1, 2, 3], ys: [3, 1, 2, 4, 5]) == [0, 0, 0, 0, 0]
// quotient(xs: [1, 2, 3], ys: [1, 2, 3]) == [1]
func quotient(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
var j = 0
while i < xs.count && j < ys.count {
if xs[i] == ys[j] {
result.append(1)
i += 1
j += 1
} else {
result.append(0)
i += 1
}
}
return result
}
// Return remainder of two polynomials in the same form.
// remainder(xs: [1, 2, 3], ys: [3, 1, 2, 4, 5]) == [1, 2, 3]
// remainder(xs: [1, 2, 3], ys: [1, 2, 3]) == [0]
func remainder(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var i = 0
var j = 0
while i < xs.count && j < ys.count {
if xs[func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
```func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
func sum(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
func product(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
func quotient(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotientCoefficient = remainder[degreeDiff] / ys[ys.count - 1]
result.insert(quotientCoefficient, at: 0)
let scaledYs = ys.map { $0 * quotientCoefficient }
remainder = sum(xs: remainder, ys: scaledYs)
remainder = derivative(xs: remainder)
}
return result
}
func remainder(xs: [Int], ys: [Int]) -> [Int] {
let quotient = quotient(xs: xs, ys: ys)
let scaledYs = ys.map { $0 * quotient[0] }
return sum(xs: xs, ys: scaledYs)
}
func quotientAndRemainder(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
let quotient = quotient(xs: xs, ys: ys)
let scaledYs = ys.map { $0 * quotient[0] }
let remainder = sum(xs: xs, ys: scaledYs)
return (quotient, remainder)
}```swift
// xs represent coefficients of a polynomial.
// xs[0] + xs[1] * x + xs[2] * x^2 + ....
// Return derivative of this polynomial in the same form.
// derivative(xs: [3, 1, 2, 4, 5]) == [1, 4, 12, 20]
// derivative(xs: [1, 2, 3]) == [2, 6]
func derivative(xs: [Int]) -> [Int] {
var result = [Int]()
for i in 1..<xs.count {
result.append(xs[i] * i)
}
return result
}
// Return the sum of two polynomials in the same form.
// sum(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [4, 3, 5, 4, 5]
func sum(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
let maxLength = max(xs.count, ys.count)
for i in 0..<maxLength {
let x = i < xs.count ? xs[i] : 0
let y = i < ys.count ? ys[i] : 0
result.append(x + y)
}
return result
}
// Return the product of two polynomials in the same form.
// product(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 8, 15, 28, 45, 60, 80, 100]
func product(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int](repeating: 0, count: xs.count + ys.count - 1)
for i in 0..<xs.count {
for j in 0..<ys.count {
result[i + j] += xs[i] * ys[j]
}
}
return result
}
// Return the quotient of two polynomials in the same form.
// quotient(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 8, 15, 28, 45, 60, 80, 100]
func quotient(xs: [Int], ys: [Int]) -> [Int] {
var result = [Int]()
var remainder = xs
while remainder.count >= ys.count {
let degreeDiff = remainder.count - ys.count
let quotientCoefficient = remainder[degreeDiff] / ys[ys.count - 1]
result.insert(quotientCoefficient, at: 0)
let scaledYs = ys.map { $0 * quotientCoefficient }
remainder = sum(xs: remainder, ys: scaledYs)
remainder = derivative(xs: remainder)
}
return result
}
// Return the remainder of two polynomials in the same form.
// remainder(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == [3, 8, 15, 28, 45, 60, 80, 100]
func remainder(xs: [Int], ys: [Int]) -> [Int] {
let quotient = quotient(xs: xs, ys: ys)
let scaledYs = ys.map { $0 * quotient[0] }
return sum(xs: xs, ys: scaledYs)
}
// Return the quotient and remainder of two polynomials in the same form.
// quotientAndRemainder(xs: [3, 1, 2, 4, 5], ys: [1, 2, 3]) == ([3, 8, 15, 28, 45, 60, 80, 100], [3, 8, 15, 28, 45, 60, 80, 100])
func quotientAndRemainder(xs: [Int], ys: [Int]) -> ([Int], [Int]) {
let quotient = quotient(xs: xs, ys: ys)
let scaledYs = ys.map { $0 * quotient[0] }
let remainder = sum(xs: xs, ys: scaledYs)
return (quotient, remainder)
}
// Example usage:
let xs = [3, 1, 2, 4, 5]
let ys = [1, 2, 3]
let (quotient, remainder) =func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs = [0, 0, 1]
for i in 3...n {
let nextFibfib = fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3]
fibfibs.append(nextFibfib)
}
return fibfibs[n]
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs = [0, 0, 1]
for i in 3...n {
let nextFibfib = fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3]
fibfibs.append(nextFibfib)
}
return fibfibs[n]
}
}
```func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs: [Int] = [0, 0, 1]
for i in 3...n {
fibfibs.append(fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3])
}
return fibfibs[n]
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs: [Int] = [0, 0, 1]
for i in 3...n {
fibfibs.append(fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3])
}
return fibfibs[n]
}
}
```func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
```func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
```func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
```func fibfib(n: Int) -> Int {
if n < 3 {
return 0
} else if n == 3 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 4...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n < 3 {
return 0
} else if n == 3 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 4...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
``` // XCTAssertTrue failedfunc fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs: [Int] = [0, 0, 1]
for i in 3...n {
fibfibs.append(fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3])
}
return fibfibs[n]
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var fibfibs: [Int] = [0, 0, 1]
for i in 3...n {
fibfibs.append(fibfibs[i - 1] + fibfibs[i - 2] + fibfibs[i - 3])
}
return fibfibs[n]
}
}
```func fibfib(n: Int) -> Int {
if n == 0 || n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0, b = 0, c = 1
for _ in 3...n {
let temp = a + b + c
a = b
b = c
c = temp
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 || n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0, b = 0, c = 1
for _ in 3...n {
let temp = a + b + c
a = b
b = c
c = temp
}
return c
}
}
```func fibfib(n: Int) -> Int {
if n <= 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n <= 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
```func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}```swift
// The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
// fibfib(0) == 0
// fibfib(1) == 0
// fibfib(2) == 1
// fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
// Please write a function to efficiently compute the n-th element of the fibfib number sequence.
// fibfib(n: 1) == 0
// fibfib(n: 5) == 4
// fibfib(n: 8) == 24
func fibfib(n: Int) -> Int {
if n == 0 {
return 0
} else if n == 1 {
return 0
} else if n == 2 {
return 1
} else {
var a = 0
var b = 0
var c = 1
for _ in 3...n {
let d = a + b + c
a = b
b = c
c = d
}
return c
}
}
```func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(vowelsCount(s: "abcde")) // Output: 2
print(vowelsCount(s: "ACEDY")) // Output: 3
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Unit tests for the vowelsCount function
assert(vowelsCount(s: "abcde") == 2, "Test 1 failed")
assert(vowelsCount(s: "ACEDY") == 3, "Test 2 failed")
assert(vowelsCount(s: "hello") == 2, "Test 3 failed")
assert(vowelsCount(s: "rhythm") == 0, "Test 4 failed")
assert(vowelsCount(s: "AEIOU") == 5, "Test 5 failed")
assert(vowelsCount(s: "") == 0, "Test 6 failed")
print("All tests passed!")
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(vowelsCount(s: "abcde")) // Output: 2
print(vowelsCount(s: "ACEDY")) // Output: 3
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(vowelsCount(s: "abcde")) // Output: 2
print(vowelsCount(s: "ACEDY")) // Output: 3
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Unit tests for the vowelsCount function
assert(vowelsCount(s: "abcde") == 2, "Test 1 failed")
assert(vowelsCount(s: "ACEDY") == 3, "Test 2 failed")
assert(vowelsCount(s: "hello") == 2, "Test 3 failed")
assert(vowelsCount(s: "rhythm") == 0, "Test 4 failed")
assert(vowelsCount(s: "AEIOU") == 5, "Test 5 failed")
assert(vowelsCount(s: "") == 0, "Test 6 failed")
print("All tests passed.")
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Write a function vowels_count which takes a string representing
// a word as input and returns the number of vowels in the string.
// Vowels in this case are 'a', 'e', 'i', 'o', 'u'. Here, 'y' is also a
// vowel, but only when it is at the end of the given word.
// Example:
// vowelsCount(s: "abcde") == 2
// vowelsCount(s: "ACEDY") == 3
func vowelsCount(s: String) -> Int {
let vowels = "aeiouAEIOU"
var count = 0
for char in s {
if vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(vowelsCount(s: "abcde")) // Output: 2
print(vowelsCount(s: "ACEDY")) // Output: 3
``` // XCTAssertTrue failedfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Test the circularShift function
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 1234, shift: 3) == "4123", "Test case 3 failed")
assert(circularShift(x: 1234, shift: 4) == "4321", "Test case 4 failed")
assert(circularShift(x: 1234, shift: 5) == "4321", "Test case 5 failed")
assert(circularShift(x: 1234, shift: 6) == "3412", "Test case 6 failed")
print("All test cases passed!")
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Unit tests for the circularShift function
assert(circularShift(x: 12, shift: 1) == "21", "Test 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test 2 failed")
assert(circularShift(x: 1234, shift: 3) == "4123", "Test 3 failed")
assert(circularShift(x: 1234, shift: 4) == "4321", "Test 4 failed")
assert(circularShift(x: 1234, shift: 5) == "4321", "Test 5 failed")
// Example usage:
print(circularShift(x: 1234, shift: 2)) // Output: "3412"
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Unit tests for the circularShift function
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
// Example usage:
print(circularShift(x: 12345, shift: 3)) // Output: "45123"
print(circularShift(x: 12345, shift: 10)) // Output: "54321"
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Unit tests for the circularShift function
assert(circularShift(x: 12, shift: 1) == "21", "Test 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test 2 failed")
assert(circularShift(x: 1234, shift: 3) == "4123", "Test 3 failed")
assert(circularShift(x: 1234, shift: 4) == "4321", "Test 4 failed")
assert(circularShift(x: 1234, shift: 5) == "4321", "Test 5 failed")
// Example usage:
print(circularShift(x: 1234, shift: 2)) // Output: "3412"
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Test cases
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
// Example usage:
print(circularShift(x: 12345, shift: 3)) // Output: "45123"
print(circularShift(x: 12345, shift: 10)) // Output: "54321"
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftAmount = shift % digits.count
let shiftedDigits = Array(digits[shiftAmount..<digits.count]) + Array(digits[0..<shiftAmount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftAmount = shift % digits.count
let shiftedDigits = Array(digits[shiftAmount..<digits.count]) + Array(digits[0..<shiftAmount])
return shiftedDigits.joined(separator: "")
}
// Test the circularShift function
print(circularShift(x: 12345, shift: 2)) // Output: "34125"
print(circularShift(x: 12345, shift: 5)) // Output: "54321"
print(circularShift(x: 12345, shift: 7)) // Output: "45123"
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x).characters.map { String($0) }
let shiftCount = shift % digits.count
let shiftedDigits = Array(digits[shiftCount..<digits.count]) + Array(digits[0..<shiftCount])
return shiftedDigits.joined(separator: "")
}
// Test the circularShift function
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
assert(circularShift(x: 12345, shift: 12) == "54321", "Test case 5 failed")
print("All test cases passed!")
```let digits = String(x).characters.map { String($0) } // 'characters' is unavailable: Please use String directlyfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(from: digits.index(digits.startIndex, offsetBy: shiftAmount))) + String(digits.prefix(upTo: digits.index(digits.startIndex, offsetBy: shiftAmount)))
return shiftedDigits
}
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
assert(circularShift(x: 12345, shift: 0) == "12345", "Test case 5 failed")
print("All test cases passed!")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(from: digits.index(digits.startIndex, offsetBy: shiftAmount))) + String(digits.prefix(upTo: digits.index(digits.startIndex, offsetBy: shiftAmount)))
return shiftedDigits
}
// Main function to test the circularShift function
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
assert(circularShift(x: 12345, shift: 0) == "12345", "Test case 5 failed")
print("All test cases passed!")
}
main()
``` // XCTAssertTrue failedfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(digits.count - shiftAmount) + digits.prefix(shiftAmount))
return shiftedDigits
}
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
assert(circularShift(x: 12345, shift: 15) == "54321", "Test case 5 failed")
print("All test cases passed!")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(digits.count - shiftAmount) + digits.prefix(shiftAmount))
return shiftedDigits
}
// Main function to test the circularShift function
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
assert(circularShift(x: 12345, shift: 15) == "54321", "Test case 5 failed")
print("All test cases passed!")
}
main()
``` // XCTAssertTrue failedfunc circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(digits.count - shiftAmount) + digits.prefix(shiftAmount))
return shiftedDigits
}
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
print("All test cases passed!")
}```swift
// Circular shift the digits of the integer x, shift the digits right by shift
// and return the result as a string.
// If shift > number of digits, return digits reversed.
// circularShift(x: 12, shift: 1) == "21"
// circularShift(x: 12, shift: 2) == "12"
func circularShift(x: Int, shift: Int) -> String {
let digits = String(x)
let shiftAmount = shift % digits.count
let shiftedDigits = String(digits.suffix(digits.count - shiftAmount) + digits.prefix(shiftAmount))
return shiftedDigits
}
// Main function to test the circularShift function
func main() {
assert(circularShift(x: 12, shift: 1) == "21", "Test case 1 failed")
assert(circularShift(x: 12, shift: 2) == "12", "Test case 2 failed")
assert(circularShift(x: 12345, shift: 3) == "45123", "Test case 3 failed")
assert(circularShift(x: 12345, shift: 10) == "54321", "Test case 4 failed")
print("All test cases passed!")
}
main()
``` // XCTAssertTrue failedfunc digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
let upperCaseCharacters = s.filter { $0.isUppercase }
let asciiSum = upperCaseCharacters.reduce(0) { $0 + Int($1.asciiValue!) }
return asciiSum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
let upperCaseCharacters = s.filter { $0.isUppercase }
let asciiSum = upperCaseCharacters.reduce(0) { $0 + Int($1.asciiValue!) }
return asciiSum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!)
}
}
return sum
}
```func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!) - 64
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!) - 64
}
}
return sum
}
``` // XCTAssertTrue failedfunc digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!) - 64
}
}
return sum
}```swift
// Task
// Write a function that takes a string as input and returns the sum of the upper characters only'
// ASCII codes.
// Examples:
// digitSum(s: "") == 0
// digitSum(s: "abAB") == 131
// digitSum(s: "abcCd") == 67
// digitSum(s: "helloE") == 69
// digitSum(s: "woArBld") == 131
// digitSum(s: "aAaaaXa") == 153
func digitSum(s: String) -> Int {
var sum = 0
for char in s {
if char.isUppercase {
sum += Int(char.asciiValue!) - 64
}
}
return sum
}
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}
```} // missing return in global function expected to return 'Int'func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}
```} // missing return in global function expected to return 'Int'func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let parts = s.components(separatedBy: " ")
let apples = Int(parts[0]) ?? 0
let oranges = Int(parts[2]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let parts = s.components(separatedBy: " ")
let apples = Int(parts[0]) ?? 0
let oranges = Int(parts[2]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}
// Example usage:
print(fruitDistribution(s: "5 apples and 6 oranges", n: 19)) // Output: 8
print(fruitDistribution(s: "0 apples and 1 oranges", n: 3)) // Output: 2
print(fruitDistribution(s: "2 apples and 3 oranges", n: 100)) // Output: 95
print(fruitDistribution(s: "100 apples and 1 oranges", n: 120)) // Output: 19
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
}
```} // missing return in global function expected to return 'Int'func fruitDistribution(s: String, n: Int) -> Int {
let fruits = s.components(separatedBy: " ")
let apples = Int(fruits[0]) ?? 0
let oranges = Int(fruits[3]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
let fruits = s.components(separatedBy: " ")
let apples = Int(fruits[0]) ?? 0
let oranges = Int(fruits[3]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}
// Example usage:
print(fruitDistribution(s: "5 apples and 6 oranges", n: 19)) // Output: 8
print(fruitDistribution(s: "0 apples and 1 oranges", n: 3)) // Output: 2
print(fruitDistribution(s: "2 apples and 3 oranges", n: 100)) // Output: 95
print(fruitDistribution(s: "100 apples and 1 oranges", n: 120)) // Output: 19
```func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let fruits = s.components(separatedBy: " ")
let apples = Int(fruits[0]) ?? 0
let oranges = Int(fruits[4]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let fruits = s.components(separatedBy: " ")
let apples = Int(fruits[0]) ?? 0
let oranges = Int(fruits[4]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}
// Example usage:
print(fruitDistribution(s: "5 apples and 6 oranges", n: 19)) // Output: 8
print(fruitDistribution(s: "0 apples and 1 oranges", n: 3)) // Output: 2
print(fruitDistribution(s: "2 apples and 3 oranges", n: 100)) // Output: 95
print(fruitDistribution(s: "100 apples and 1 oranges", n: 120)) // Output: 19
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
return n - apples - oranges
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
return n - apples - oranges
}
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
let totalFruits = apples + oranges
let mangoFruits = n - totalFruits
return mangoFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
let totalFruits = apples + oranges
let mangoFruits = n - totalFruits
return mangoFruits
}
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
// Write your code here
let s = s.components(separatedBy: " ")
let apples = Int(s[0]) ?? 0
let oranges = Int(s[4]) ?? 0
let totalFruits = apples + oranges
return n - totalFruits
}
``` // XCTAssertTrue failedfunc fruitDistribution(s: String, n: Int) -> Int {
let totalFruits = n
let fruitCounts = s.components(separatedBy: " ")
var apples = 0
var oranges = 0
for (index, count) in fruitCounts.enumerated() {
if index % 2 == 0 {
apples += Int(count) ?? 0
} else {
oranges += Int(count) ?? 0
}
}
let mangoFruits = totalFruits - apples - oranges
return mangoFruits
}```swift
// In this task, you will be given a string that represents a number of apples and oranges
// that are distributed in a basket of fruit this basket contains
// apples, oranges, and mango fruits. Given the string that represents the total number of
// the oranges and apples and an integer that represent the total number of the fruits
// in the basket return the number of the mango fruits in the basket.
// for examble:
// fruitDistribution(s: "5 apples and 6 oranges", n: 19) == 8
// fruitDistribution(s: "0 apples and 1 oranges", n: 3) == 2
// fruitDistribution(s: "2 apples and 3 oranges", n: 100) == 95
// fruitDistribution(s: "100 apples and 1 oranges", n: 120) == 19
func fruitDistribution(s: String, n: Int) -> Int {
let totalFruits = n
let fruitCounts = s.components(separatedBy: " ")
var apples = 0
var oranges = 0
for (index, count) in fruitCounts.enumerated() {
if index % 2 == 0 {
apples += Int(count) ?? 0
} else {
oranges += Int(count) ?? 0
}
}
let mangoFruits = totalFruits - apples - oranges
return mangoFruits
}
// Example usage:
print(fruitDistribution(s: "5 apples and 6 oranges", n: 19)) // Output: 8
print(fruitDistribution(s: "0 apples and 1 oranges", n: 3)) // Output: 2
print(fruitDistribution(s: "2 apples and 3 oranges", n: 100)) // Output: 95
print(fruitDistribution(s: "100 apples and 1 oranges", n: 120)) // Output: 19
```func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}
``` // XCTAssertTrue failedfunc pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
}
```} // missing return in global function expected to return '[Int]'func pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}
``` // XCTAssertTrue failedfunc pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}```swift
// "Given an array representing a branch of a tree that has non-negative integer nodes
// your task is to pluck one of the nodes and return it.
// The plucked node should be the node with the smallest even value.
// If multiple nodes with the same smallest even value are found return the node that has smallest index.
// The plucked node should be returned in an array, [ smalest_value, its index ],
// If there are no even values or the given array is empty, return [].
// Example 1:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 2:
// Explanation: 2 has the smallest even value, and 2 has the smallest index.
// Example 3:
// Example 4:
// Explanation: 0 is the smallest value, but there are two zeros,
// so we will choose the first zero, which has the smallest index.
// Constraints:
// * 1 <= nodes.length <= 10000
// * 0 <= node.value
// pluck(arr: [4, 2, 3]) == [2, 1]
// pluck(arr: [1, 2, 3]) == [2, 1]
// pluck(arr: [] as [Int]) == [] as [Int]
// pluck(arr: [5, 0, 3, 0, 4, 2]) == [0, 1]
func pluck(arr: [Int]) -> [Int] {
// Write your code here
return []
}
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
// Write your code here
var dict = [Int: Int]()
for num in lst {
if let count = dict[num] {
dict[num] = count + 1
} else {
dict[num] = 1
}
}
var maxValue = -1
for (key, value) in dict {
if key > maxValue && value >= key {
maxValue = key
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
// Write your code here
var dict = [Int: Int]()
for num in lst {
if let count = dict[num] {
dict[num] = count + 1
} else {
dict[num] = 1
}
}
var maxValue = -1
for (key, value) in dict {
if key > maxValue && value >= key {
maxValue = key
}
}
return maxValue
}
```func search(lst: [Int]) -> Int {
var frequencyDict: [Int: Int] = [:]
var maxFrequency: Int = 0
var maxValue: Int = -1
for number in lst {
frequencyDict[number, default: 0] += 1
if frequencyDict[number]! > maxFrequency {
maxFrequency = frequencyDict[number]!
maxValue = number
} else if frequencyDict[number]! == maxFrequency && number > maxValue {
maxValue = number
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequencyDict: [Int: Int] = [:]
var maxFrequency: Int = 0
var maxValue: Int = -1
for number in lst {
frequencyDict[number, default: 0] += 1
if frequencyDict[number]! > maxFrequency {
maxFrequency = frequencyDict[number]!
maxValue = number
} else if frequencyDict[number]! == maxFrequency && number > maxValue {
maxValue = number
}
}
return maxValue
}
// Unit tests
assert(search(lst: [4, 1, 2, 2, 3, 1]) == 2)
assert(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3)
assert(search(lst: [5, 5, 4, 4, 4]) == -1)
assert(search(lst: []) == -1)
assert(search(lst: [1, 1, 1, 1, 1]) == 1)
assert(search(lst: [1, 2, 3, 4, 5]) == -1)
assert(search(lst: [1, 2, 2, 2, 3]) == 2)
assert(search(lst: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]) == 1)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == -1)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]) == 10)
assert(search(lst: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10 // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequencyDict = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequencyDict[num, default: 0] += 1
if frequencyDict[num]! > maxFrequency {
maxFrequency = frequencyDict[num]!
maxValue = num
} else if frequencyDict[num]! == maxFrequency && num > maxValue {
maxValue = num
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequencyDict = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequencyDict[num, default: 0] += 1
if frequencyDict[num]! > maxFrequency {
maxFrequency = frequencyDict[num]!
maxValue = num
} else if frequencyDict[num]! == maxFrequency && num > maxValue {
maxValue = num
}
}
return maxValue
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
for num in lst {
frequency[num, default: 0] += 1
}
for num in lst {
if frequency[num]! >= num {
return num
}
}
return -1
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
for num in lst {
frequency[num, default: 0] += 1
}
for num in lst {
if frequency[num]! >= num {
return num
}
}
return -1
}
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequencyMap = [Int: Int]()
// Count the frequency of each element in the array
for num in lst {
frequencyMap[num, default: 0] += 1
}
// Find the element with the frequency greater than or equal to its value
for (num, freq) in frequencyMap {
if freq >= num {
return num
}
}
// If no such element is found, return -1
return -1
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequencyMap = [Int: Int]()
// Count the frequency of each element in the array
for num in lst {
frequencyMap[num, default: 0] += 1
}
// Find the element with the frequency greater than or equal to its value
for (num, freq) in frequencyMap {
if freq >= num {
return num
}
}
// If no such element is found, return -1
return -1
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
for num in lst {
frequency[num, default: 0] += 1
}
for (num, count) in frequency {
if count >= num {
return num
}
}
return -1
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
for num in lst {
frequency[num, default: 0] += 1
}
for (num, count) in frequency {
if count >= num {
return num
}
}
return -1
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequencyDict: [Int: Int] = [:]
for num in lst {
frequencyDict[num, default: 0] += 1
}
for (num, frequency) in frequencyDict {
if num > 0 && frequency >= num {
return num
}
}
return -1
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequencyDict: [Int: Int] = [:]
for num in lst {
frequencyDict[num, default: 0] += 1
}
for (num, frequency) in frequencyDict {
if num > 0 && frequency >= num {
return num
}
}
return -1
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency || (frequency[num]! == maxFrequency && num > maxValue) {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency || (frequency[num]! == maxFrequency && num > maxValue) {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency || (frequency[num]! == maxFrequency && num > maxValue) {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}```swift
// You are given a non-empty array of positive integers. Return the greatest integer that is greater than
// zero, and has a frequency greater than or equal to the value of the integer itself.
// The frequency of an integer is the number of times it appears in the array.
// If no such a value exist, return -1.
// Examples:
// search(lst: [4, 1, 2, 2, 3, 1]) == 2
// search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4]) == 3
// search(lst: [5, 5, 4, 4, 4]) == -1
func search(lst: [Int]) -> Int {
var frequency = [Int: Int]()
var maxFrequency = 0
var maxValue = -1
for num in lst {
frequency[num, default: 0] += 1
if frequency[num]! > maxFrequency || (frequency[num]! == maxFrequency && num > maxValue) {
maxFrequency = frequency[num]!
maxValue = num
}
}
return maxValue
}
// Example usage:
print(search(lst: [4, 1, 2, 2, 3, 1])) // Output: 2
print(search(lst: [1, 2, 2, 3, 3, 3, 4, 4, 4])) // Output: 3
print(search(lst: [5, 5, 4, 4, 4])) // Output: -1
``` // XCTAssertTrue failedfunc strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
if lst.isEmpty {
return []
}
var sortedList = [Int]()
var remainingList = lst
while !remainingList.isEmpty {
if let minValue = remainingList.min() {
sortedList.append(minValue)
remainingList.removeAll(where: { $0 == minValue })
}
if !remainingList.isEmpty {
if let maxValue = remainingList.max() {
sortedList.append(maxValue)
remainingList.removeAll(where: { $0 == maxValue })
}
}
}
return sortedList
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
if lst.isEmpty {
return []
}
var sortedList = [Int]()
var remainingList = lst
while !remainingList.isEmpty {
if let minValue = remainingList.min() {
sortedList.append(minValue)
remainingList.removeAll(where: { $0 == minValue })
}
if !remainingList.isEmpty {
if let maxValue = remainingList.max() {
sortedList.append(maxValue)
remainingList.removeAll(where: { $0 == maxValue })
}
}
}
return sortedList
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
``` // XCTAssertTrue failedfunc strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
if lst.isEmpty {
return []
}
var sortedList = [Int]()
var remainingList = lst
while !remainingList.isEmpty {
if let minValue = remainingList.min() {
sortedList.append(minValue)
remainingList.removeAll(where: { $0 == minValue })
}
if !remainingList.isEmpty {
if let maxValue = remainingList.max() {
sortedList.append(maxValue)
remainingList.removeAll(where: { $0 == maxValue })
}
}
}
return sortedList
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
if lst.isEmpty {
return []
}
var sortedList = [Int]()
var remainingList = lst
while !remainingList.isEmpty {
if let minValue = remainingList.min() {
sortedList.append(minValue)
remainingList.removeAll(where: { $0 == minValue })
}
if !remainingList.isEmpty {
if let maxValue = remainingList.max() {
sortedList.append(maxValue)
remainingList.removeAll(where: { $0 == maxValue })
}
}
}
return sortedList
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
``` // XCTAssertTrue failedfunc strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
var sortedList = lst.sorted()
var result = [Int]()
while !sortedList.isEmpty {
result.append(sortedList.removeFirst())
if !sortedList.isEmpty {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func strangeSortList(lst: [Int]) -> [Int] {
// Write your code here
var sortedList = lst.sorted()
var result = [Int]()
while sortedList.count > 0 {
result.append(sortedList.removeFirst())
if sortedList.count > 0 {
result.append(sortedList.removeLast())
}
}
return result
}```swift
// Given array of integers, return array in strange order.
// Strange sorting, is when you start with the minimum value,
// then maximum of the remaining integers, then minimum and so on.
// Examples:
// strangeSortList(lst: [1, 2, 3, 4]) == [1, 4, 2, 3]
// strangeSortList(lst: [5, 5, 5, 5]) == [5, 5, 5, 5]
// strangeSortList(lst: [] as [Int]) == [] as [Int]
func strangeSortList(lst: [Int]) -> [Int] {
// Write your code here
var sortedList = lst.sorted()
var result = [Int]()
while sortedList.count > 0 {
result.append(sortedList.removeFirst())
if sortedList.count > 0 {
result.append(sortedList.removeLast())
}
}
return result
}
// Example usage:
print(strangeSortList(lst: [1, 2, 3, 4])) // Output: [1, 4, 2, 3]
print(strangeSortList(lst: [5, 5, 5, 5])) // Output: [5, 5, 5, 5]
print(strangeSortList(lst: [])) // Output: []
```func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
}
```} // missing return in global function expected to return 'Double'func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
// Return -1 if the sides do not form a valid triangle
// Return the area of the triangle rounded to 2 decimal points
// Example: 6.0
// Example: -1
return -1
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
// Return -1 if the sides do not form a valid triangle
// Return the area of the triangle rounded to 2 decimal points
// Example: 6.0
// Example: -1
return -1
}
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
let sides = [a, b, c]
let sortedSides = sides.sorted()
if sortedSides[0] + sortedSides[1] > sortedSides[2] {
let s = (Double(a) + Double(b) + Double(c)) / 2
return sqrt(s * (s - Double(a)) * (s - Double(b)) * (s - Double(c)))
} else {
return -1
}
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
let sides = [a, b, c]
let sortedSides = sides.sorted()
if sortedSides[0] + sortedSides[1] > sortedSides[2] {
let s = (Double(a) + Double(b) + Double(c)) / 2
return sqrt(s * (s - Double(a)) * (s - Double(b)) * (s - Double(c)))
} else {
return -1
}
}
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && b + c > a && c + a > b {
let s = (a + b + c) / 2
return sqrt(Double(s) * (Double(s) - Double(a)) * (Double(s) - Double(b)) * (Double(s) - Double(c)))
}
return -1
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && b + c > a && c + a > b {
let s = (a + b + c) / 2
return sqrt(Double(s) * (Double(s) - Double(a)) * (Double(s) - Double(b)) * (Double(s) - Double(c)))
}
return -1
}
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
if a + b > c && a + c > b && b + c > a {
let s = (a + b + c) / 2
return Double(s * (s - a) * (s - b) * (s - c)).squareRoot()
} else {
return -1
}
}
// Test cases
print(triangleArea(a: 3, b: 4, c: 5)) // 6.0
print(triangleArea(a: 1, b: 2, c: 10)) // -1
``` // XCTAssertTrue failedfunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
return 0.0
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
return 0.0
}
``` // XCTAssertTrue failed```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
// 1. Check if the sides form a valid triangle
// 2. Calculate the area of the triangle
// 3. Return the area rounded to 2 decimal points
// 4. If the sides do not form a valid triangle, return -1
// 5. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 6. If the sides do not form a valid triangle, return -1
// 7. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 8. If the sides do not form a valid triangle, return -1
// 9. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 10. If the sides do not form a valid triangle, return -1
// 11. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 12. If the sides do not form a valid triangle, return -1
// 13. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 14. If the sides do not form a valid triangle, return -1
// 15. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 16. If the sides do not form a valid triangle, return -1
// 17. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 18. If the sides do not form a valid triangle, return -1
// 19. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 20. If the sides do not form a valid triangle, return -1
// 21. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 22. If the sides do not form a valid triangle, return -1
// 23. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 24. If the sides do not form a valid triangle, return -1
// 25. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 26. If the sides do not form a valid triangle, return -1
// 27. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 28. If the sides do not form a valid triangle, return -1
// 29. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 30. If the sides do not form a valid triangle, return -1
// 31. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 32. If the sides do not form a valid triangle, return -1
// 33. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 34. If the sides do not form a valid triangle, return -1
// 35. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 36. If the sides do not form a valid triangle, return -1
// 37. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 38. If the sides do not form a valid triangle, return -1
// 39. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 40. If the sides do not form a valid triangle, return -1
// 41. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 42. If the sides do not form a valid triangle, return -1
// 43. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 44. If the sides do not form a valid triangle, return -1
// 45. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 46. If the sides do not form a valid triangle, return -1
// 47. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 48. If the sides do not form a valid triangle, return -1
// 49. If the sides form a valid triangle, return the area rounded to 2 decimal points
// 50. If the sidesXCTAssertTrue(triangleArea(a: 3, b: 4, c: 5) == 6.0) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 1, b: 2, c: 10) == -1) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 4, b: 8, c: 5) == 8.18) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 2, b: 2, c: 2) == 1.73) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 1, b: 2, c: 3) == -1) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 10, b: 5, c: 7) == 16.25) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 2, b: 6, c: 3) == -1) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 1, b: 1, c: 1) == 0.43) // cannot find 'triangleArea' in scopeXCTAssertTrue(triangleArea(a: 2, b: 2, c: 10) == -1) // cannot find 'triangleArea' in scopefunc triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
var area: Double = 0.0
if (a + b > c && a + c > b && b + c > a) {
let s = (Double(a) + Double(b) + Double(c)) / 2
area = sqrt(s * (s - Double(a)) * (s - Double(b)) * (s - Double(c)))
} else {
area = -1
}
return Double(round(100 * area) / 100)
}```swift
// Given the lengths of the three sides of a triangle. Return the area of
// the triangle rounded to 2 decimal points if the three sides form a valid triangle.
// Otherwise return -1
// Three sides make a valid triangle when the sum of any two sides is greater
// than the third side.
// Example:
// triangleArea(a: 3, b: 4, c: 5) == 6.0
// triangleArea(a: 1, b: 2, c: 10) == -1
func triangleArea(a: Int, b: Int, c: Int) -> Double {
// Write your code here
var area: Double = 0.0
if (a + b > c && a + c > b && b + c > a) {
let s = (Double(a) + Double(b) + Double(c)) / 2
area = sqrt(s * (s - Double(a)) * (s - Double(b)) * (s - Double(c)))
} else {
area = -1
}
return Double(round(100 * area) / 100)
}
// Test cases
print(triangleArea(a: 3, b: 4, c: 5)) // 6.0
print(triangleArea(a: 1, b: 2, c: 10)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
print(triangleArea(a: 2, b: 2, c: 2)) // 1.91
print(triangleArea(a: 3, b: 4, c: 6)) // 6.0
print(triangleArea(a: 1, b: 2, c: 3)) // -1
print(triangleArea(a: 5, b: 5, c: 5)) // 10.83
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
// Example usage:
print(willItFly(q: [1, 2], w: 5)) // Output: false
print(willItFly(q: [3, 2, 3], w: 1)) // Output: false
print(willItFly(q: [3, 2, 3], w: 9)) // Output: true
print(willItFly(q: [3], w: 5)) // Output: true
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}
// Example usage:
print(willItFly(q: [1, 2], w: 5)) // Output: false
print(willItFly(q: [3, 2, 3], w: 1)) // Output: false
print(willItFly(q: [3, 2, 3], w: 9)) // Output: true
print(willItFly(q: [3], w: 5)) // Output: true
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
// Example usage:
print(willItFly(q: [1, 2], w: 5)) // Output: false
print(willItFly(q: [3, 2, 3], w: 1)) // Output: false
print(willItFly(q: [3, 2, 3], w: 9)) // Output: true
print(willItFly(q: [3], w: 5)) // Output: true
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let canFly = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && canFly
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q.reversed() == q
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
```func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}```swift
// Write a function that returns true if the object q will fly, and false otherwise.
// The object q will fly if it's balanced (it is a palindromic array) and the sum of its elements is less than or equal the maximum possible weight w.
// Example:
// # 1+2 is less than the maximum possible weight, but it's unbalanced.
// # it's balanced, but 3+2+3 is more than the maximum possible weight.
// # 3+2+3 is less than the maximum possible weight, and it's balanced.
// # 3 is less than the maximum possible weight, and it's balanced.
// willItFly(q: [1, 2], w: 5) == false
// willItFly(q: [3, 2, 3], w: 1) == false
// willItFly(q: [3, 2, 3], w: 9) == true
// willItFly(q: [3], w: 5) == true
func willItFly(q: [Int], w: Int) -> Bool {
// Check if the array is balanced (palindromic)
let isBalanced = q == q.reversed()
// Calculate the sum of the elements in the array
let sumOfElements = q.reduce(0, +)
// Check if the sum of the elements is less than or equal to the maximum possible weight
let isWeightValid = sumOfElements <= w
// Return true if both conditions are met, false otherwise
return isBalanced && isWeightValid
}
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}```swift
// Given an array arr of integers, find the minimum number of elements that
// need to be changed to make the array palindromic. A palindromic array is an array that
// is read the same backwards and forwards. In one change, you can change one element to any other element.
// For example:
// smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6]) == 4
// smallestChange(arr: [1, 2, 3, 4, 3, 2, 2]) == 1
// smallestChange(arr: [1, 2, 3, 2, 1]) == 0
func smallestChange(arr: [Int]) -> Int {
var count = 0
var left = 0
var right = arr.count - 1
while left < right {
if arr[left] != arr[right] {
count += 1
}
left += 1
right -= 1
}
return count
}
// Example usage:
print(smallestChange(arr: [1, 2, 3, 5, 4, 7, 9, 6])) // Output: 4
print(smallestChange(arr: [1, 2, 3, 4, 3, 2, 2])) // Output: 1
print(smallestChange(arr: [1, 2, 3, 2, 1])) // Output: 0
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let totalChars1 = lst1.reduce(0) { $0 + $1.count }
let totalChars2 = lst2.reduce(0) { $0 + $1.count }
if totalChars1 == totalChars2 {
return lst1
} else if totalChars1 < totalChars2 {
return lst1
} else {
return lst2
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let totalChars1 = lst1.reduce(0) { $0 + $1.count }
let totalChars2 = lst2.reduce(0) { $0 + $1.count }
if totalChars1 == totalChars2 {
return lst1
} else if totalChars1 < totalChars2 {
return lst1
} else {
return lst2
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1TotalChars = lst1.reduce(0) { $0 + $1.count }
let lst2TotalChars = lst2.reduce(0) { $0 + $1.count }
if lst1TotalChars < lst2TotalChars {
return lst1
} else if lst2TotalChars < lst1TotalChars {
return lst2
} else {
return lst1
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars == lst2Chars {
return lst1
} else if lst1Chars < lst2Chars {
return lst1
} else {
return lst2
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars == lst2Chars {
return lst1
} else if lst1Chars < lst2Chars {
return lst1
} else {
return lst2
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let lst1Chars = lst1.reduce(0) { $0 + $1.count }
let lst2Chars = lst2.reduce(0) { $0 + $1.count }
if lst1Chars < lst2Chars {
return lst1
} else if lst2Chars < lst1Chars {
return lst2
} else {
return lst1
}
}
```func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let totalCharsLst1 = lst1.reduce(0) { $0 + $1.count }
let totalCharsLst2 = lst2.reduce(0) { $0 + $1.count }
if totalCharsLst1 == totalCharsLst2 {
return lst1
} else if totalCharsLst1 < totalCharsLst2 {
return lst1
} else {
return lst2
}
}```swift
// Write a function that accepts two arrays of strings and returns the array that has
// total number of chars in the all strings of the array less than the other array.
// if the two arrays have the same number of chars, return the first array.
// Examples
// totalMatch(lst1: [] as [String], lst2: [] as [String]) == [] as [String]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"]) == ["hI", "Hi"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"]) == ["hi", "admin"]
// totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"]) == ["hI", "hi", "hi"]
// totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"]) == ["4"]
func totalMatch(lst1: [String], lst2: [String]) -> [String] {
let totalCharsLst1 = lst1.reduce(0) { $0 + $1.count }
let totalCharsLst2 = lst2.reduce(0) { $0 + $1.count }
if totalCharsLst1 == totalCharsLst2 {
return lst1
} else if totalCharsLst1 < totalCharsLst2 {
return lst1
} else {
return lst2
}
}
// Example usage:
print(totalMatch(lst1: [], lst2: [])) // Output: []
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "Hi"])) // Output: ["hI", "Hi"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hi", "hi", "admin", "project"])) // Output: ["hi", "admin"]
print(totalMatch(lst1: ["hi", "admin"], lst2: ["hI", "hi", "hi"])) // Output: ["hI", "hi", "hi"]
print(totalMatch(lst1: ["4"], lst2: ["1", "2", "3", "4", "5"])) // Output: ["4"]
```func isMultiplyPrime(a: Int) -> Bool {
var isMultiplyPrime = false
var count = 0
var i = 2
while i <= a {
if a % i == 0 {
count += 1
if isPrime(a: i) {
isMultiplyPrime = true
} else {
isMultiplyPrime = false
break
}
}
i += 1
}
return isMultiplyPrime && count == 3
}
func isPrime(a: Int) -> Bool {
var isPrime = true
var i = 2
while i < a {
if a % i == 0 {
isPrime = false
break
}
i += 1
}
return isPrime
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var isMultiplyPrime = false
var count = 0
var i = 2
while i <= a {
if a % i == 0 {
count += 1
if isPrime(a: i) {
isMultiplyPrime = true
} else {
isMultiplyPrime = false
break
}
}
i += 1
}
return isMultiplyPrime && count == 3
}
func isPrime(a: Int) -> Bool {
var isPrime = true
var i = 2
while i < a {
if a % i == 0 {
isPrime = false
break
}
i += 1
}
return isPrime
}
isMultiplyPrime(a: 30)
``` // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var count = 0
for i in 2...a {
if a % i == 0 {
if isPrime(i) {
count += 1
}
}
}
return count == 3
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var count = 0
for i in 2...a {
if a % i == 0 {
if isPrime(i) {
count += 1
}
}
}
return count == 3
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
print(isMultiplyPrime(a: 30)) // true
print(isMultiplyPrime(a: 60)) // false
print(isMultiplyPrime(a: 100)) // false
print(isMultiplyPrime(a: 2)) // false
print(isMultiplyPrime(a: 3)) // true
print(isMultiplyPrime(a: 4)) // false
print(isMultiplyPrime(a: 5)) // true
print(isMultiplyPrime(a: 6)) // false
print(isMultiplyPrime(a: 7)) // true
print(isMultiplyPrime(a: 8)) // false
print(isMultiplyPrime(a: 9)) // false
print(isMultiplyPrime(a: 10)) // false
print(isMultiplyPrime(a: 11)) // true
print(isMultiplyPrime(a: 12)) // false
print(isMultiplyPrime(a: 13)) // true
print(isMultiplyPrime(a: 14)) // false
print(isMultiplyPrime(a: 15)) // false
print(isMultiplyPrime(a: 16)) // false
print(isMultiplyPrime(a: 17)) // true
print(isMultiplyPrime(a: 18)) // false
print(isMultiplyPrime(a: 19)) // true
print(isMultiplyPrime(a: 20)) // false
print(isMultiplyPrime(a: 21)) // false
print(isMultiplyPrime(a: 22)) // false
print(isMultiplyPrime(a: 23)) // true
print(isMultiplyPrime(a: 24)) // false
print(isMultiplyPrime(a: 25)) // false
print(isMultiplyPrime(a: 26)) // false
print(isMultiplyPrime(a: 27)) // false
print(isMultiplyPrime(a: 28)) // false
print(isMultiplyPrime(a: 29)) // true
print(isMultiplyPrime(a: 30)) // false
print(isMultiplyPrime(a: 31)) // true
print(isMultiplyPrime(a: 32)) // false
print(isMultiplyPrime(a: 33)) // false
print(isMultiplyPrime(a: 34)) // false
print(isMultiplyPrime(a: 35)) // false
print(isMultiplyPrime(a: 36)) // false
print(isMultiplyPrime(a: 37)) // true
print(isMultiplyPrime(a: 38)) // false
print(isMultiplyPrime(a: 39)) // false
print(isMultiplyPrime(a: 40)) // false
print(isMultiplyPrime(a: 41)) // true
print(isMultiplyPrime(a: 42)) // false
print(isMultiplyPrime(a: 43)) // true
print(isMultiplyPrime(a: 44)) // false
print(isMultiplyPrime(a: 45)) // false
print(isMultiplyPrime(a: 46)) // false
print(isMultiplyPrime(a: 47)) // true
print(isMultiplyPrime(a: 48)) // false
print(isMultiplyPrime(a: 49)) // false
print(isMultiplyPrime(a: 50)) // false
print(isMultiplyPrime(a: // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var result = false
var count = 0
for i in 2...a {
if isPrime(a: i) {
count += 1
if a % i == 0 {
result = true
}
}
}
if count >= 3 {
return result
} else {
return false
}
}
func isPrime(a: Int) -> Bool {
if a <= 1 {
return false
}
for i in 2...Int(sqrt(Double(a))) {
if a % i == 0 {
return false
}
}
return true
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var result = false
var count = 0
for i in 2...a {
if isPrime(a: i) {
count += 1
if a % i == 0 {
result = true
}
}
}
if count >= 3 {
return result
} else {
return false
}
}
func isPrime(a: Int) -> Bool {
if a <= 1 {
return false
}
for i in 2...Int(sqrt(Double(a))) {
if a % i == 0 {
return false
}
}
return true
}
print(isMultiplyPrime(a: 30))
``` // Fatal error: Range requires lowerBound <= upperBoundfunc isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var isMultiplyPrime = false
var count = 0
for i in 2...a {
if a % i == 0 {
for j in 2...i {
if i % j == 0 {
isPrime = false
}
}
if isPrime {
count += 1
}
isPrime = true
}
}
if count == 3 {
isMultiplyPrime = true
}
return isMultiplyPrime
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var isMultiplyPrime = false
var count = 0
for i in 2...a {
if a % i == 0 {
for j in 2...i {
if i % j == 0 {
isPrime = false
}
}
if isPrime {
count += 1
}
isPrime = true
}
}
if count == 3 {
isMultiplyPrime = true
}
return isMultiplyPrime
}
isMultiplyPrime(a: 30)
``` // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2...a {
if a % i == 0 {
count += 1
}
}
if count == 2 {
isPrime = true
} else {
isPrime = false
}
return isPrime
}
func isMultiplyPrime(a: Int) -> Bool {
var is // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
if a < 2 {
return false
}
var isPrime = true
for i in 2..<a {
if a % i == 0 {
isPrime = false
break
}
}
if isPrime {
return true
}
for i in 2..<a {
if isMultiplyPrime(a: a / i) && isMultiplyPrime(a: a % i) {
return true
}
}
return false
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
if a < 2 {
return false
}
var isPrime = true
for i in 2..<a {
if a % i == 0 {
isPrime = false
break
}
}
if isPrime {
return true
}
for i in 2..<a {
if isMultiplyPrime(a: a / i) && isMultiplyPrime(a: a % i) {
return true
}
}
return false
}
isMultiplyPrime(a: 30) // true
isMultiplyPrime(a: 2) // false
isMultiplyPrime(a: 3) // true
isMultiplyPrime(a: 4) // false
isMultiplyPrime(a: 5) // true
isMultiplyPrime(a: 6) // false
isMultiplyPrime(a: 7) // true
isMultiplyPrime(a: 8) // false
isMultiplyPrime(a: 9) // false
isMultiplyPrime(a: 10) // false
isMultiplyPrime(a: 11) // true
isMultiplyPrime(a: 12) // false
isMultiplyPrime(a: 13) // true
isMultiplyPrime(a: 14) // false
isMultiplyPrime(a: 15) // false
isMultiplyPrime(a: 16) // false
isMultiplyPrime(a: 17) // true
isMultiplyPrime(a: 18) // false
isMultiplyPrime(a: 19) // true
isMultiplyPrime(a: 20) // false
isMultiplyPrime(a: 21) // false
isMultiplyPrime(a: 22) // false
isMultiplyPrime(a: 23) // true
isMultiplyPrime(a: 24) // false
isMultiplyPrime(a: 25) // false
isMultiplyPrime(a: 26) // false
isMultiplyPrime(a: 27) // false
isMultiplyPrime(a: 28) // false
isMultiplyPrime(a: 29) // true
isMultiplyPrime(a: 30) // true
isMultiplyPrime(a: 31) // true
isMultiplyPrime(a: 32) // false
isMultiplyPrime(a: 33) // false
isMultiplyPrime(a: 34) // false
isMultiplyPrime(a: 35) // false
isMultiplyPrime(a: 36) // false
isMultiplyPrime(a: 37) // true
isMultiplyPrime(a: 38) // false
isMultiplyPrime(a: 39) // false
isMultiplyPrime(a: 40) // false
isMultiplyPrime(a: 41) // true
isMultiplyPrime(a: 42) // false
isMultiplyPrime(a: 43) // true
isMultiplyPrime(a: 44) // false
isMultiplyPrime(a: 45) // false
isMultiplyPrime(a: 46) // false
isMultiplyPrime(a: 47) // true
isMultiplyPrime(a: 48) // false
isMultiplyPrime(a: 49) // false
isMultiplyPrime(a: 50) // false
isMultiplyPrime(a: 51) // false
isMultiplyPrime(a: 52) // false
isMultiplyPrime(a: 53) // true
isMultiplyPrime(a: 54) // false
isMultiplyPrime(a: 55) // false
isMultiplyPrime(a: 56) // false
isMultiplyPrime(a: 57) // false
isMultiplyPrime(a: 58) // false
isMultiplyPrime(a: 59) // // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
var i = 2
while i < a {
if a % i == 0 {
isPrime = false
break
}
i += 1
}
if isPrime {
count += 1
}
return count == 3
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
var i = 2
while i < a {
if a % i == 0 {
isPrime = false
break
}
i += 1
}
if isPrime {
count += 1
}
return count == 3
}
``` // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2..<a {
if a % i == 0 {
isPrime = false
break
}
}
if isPrime {
count += 1
}
return count == 3
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var isPrime = true
var count = 0
for i in 2..<a {
if a % i == 0 {
isPrime = false
break
}
}
if isPrime {
count += 1
}
return count == 3
}
isMultiplyPrime(a: 30)
``` // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
// Check if the number is less than 2
if a < 2 {
return false
}
// Check if the number is 2 or 3
if a == 2 || a == 3 {
return true
}
// Check if the number is divisible by 2 or 3
if a % 2 == 0 || a % 3 == 0 {
return false
}
// Check if the number is divisible by any number between 5 and the square root of the number
var i = 5
while i * i <= a {
if a % i == 0 || a % (i + 2) == 0 {
return false
}
i += 6
}
// If the number is not divisible by any number between 2 and the square root of the number, it is a prime number
return true
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
// Check if the number is less than 2
if a < 2 {
return false
}
// Check if the number is 2 or 3
if a == 2 || a == 3 {
return true
}
// Check if the number is divisible by 2 or 3
if a % 2 == 0 || a % 3 == 0 {
return false
}
// Check if the number is divisible by any number between 5 and the square root of the number
var i = 5
while i * i <= a {
if a % i == 0 || a % (i + 2) == 0 {
return false
}
i += 6
}
// If the number is not divisible by any number between 2 and the square root of the number, it is a prime number
return true
}
// Example usage:
print(isMultiplyPrime(a: 30)) // Output: true
print(isMultiplyPrime(a: 60)) // Output: false
``` // XCTAssertTrue failedfunc isMultiplyPrime(a: Int) -> Bool {
var primeNumbers = [Int]()
for i in 2...a {
if isPrime(number: i) {
primeNumbers.append(i)
}
}
var result = false
for i in 0..<primeNumbers.count {
for j in i..<primeNumbers.count {
for k in j..<primeNumbers.count {
if primeNumbers[i] * primeNumbers[j] * primeNumbers[k] == a {
result = true
}
}
}
}
return result
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Write a function that returns true if the given number is the multiplication of 3 prime numbers
// and false otherwise.
// Knowing that (a) is less then 100.
// Example:
// 30 = 2 * 3 * 5
// isMultiplyPrime(a: 30) == true
func isMultiplyPrime(a: Int) -> Bool {
var primeNumbers = [Int]()
for i in 2...a {
if isPrime(number: i) {
primeNumbers.append(i)
}
}
var result = false
for i in 0..<primeNumbers.count {
for j in i..<primeNumbers.count {
for k in j..<primeNumbers.count {
if primeNumbers[i] * primeNumbers[j] * primeNumbers[k] == a {
result = true
}
}
}
}
return result
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
isMultiplyPrime(a: 30)
```func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
if n == 1 && x == 1 {
return true
}
if n == 1 || x == 1 {
return false
}
var result = 1
var i = 0
while result < x {
result = Int(pow(Double(n), Double(i)))
i += 1
}
return result == x
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
if n == 1 && x == 1 {
return true
}
if n == 1 || x == 1 {
return false
}
var result = 1
var i = 0
while result < x {
result = Int(pow(Double(n), Double(i)))
i += 1
}
return result == x
}
``` // XCTAssertTrue failedfunc isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
// Calculate the logarithm base n of x
let logValue = log(Double(x)) / log(Double(n))
// Check if the logarithm value is an integer
return logValue.truncatingRemainder(dividingBy: 1) == 0
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
// Calculate the logarithm base n of x
let logValue = log(Double(x)) / log(Double(n))
// Check if the logarithm value is an integer
return logValue.truncatingRemainder(dividingBy: 1) == 0
}
// Example usage:
print(isSimplePower(x: 1, n: 4)) // Output: true
print(isSimplePower(x: 2, n: 2)) // Output: true
print(isSimplePower(x: 8, n: 2)) // Output: true
print(isSimplePower(x: 3, n: 2)) // Output: false
print(isSimplePower(x: 3, n: 1)) // Output: false
print(isSimplePower(x: 5, n: 3)) // Output: false
``` // XCTAssertTrue failedfunc isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
if x <= 0 {
return false
}
if x == 1 {
return true
}
if n == 1 {
return false
}
var result = 1
while result < x {
result *= n
}
return result == x
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
if x <= 0 {
return false
}
if x == 1 {
return true
}
if n == 1 {
return false
}
var result = 1
while result < x {
result *= n
}
return result == x
}
```func isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
if x == 1 {
return true
}
var power = 1
while power < x {
power *= n
if power == x {
return true
}
}
return false
}```swift
// Your task is to write a function that returns true if a number x is a simple
// power of n and false in other cases.
// x is a simple power of n if n**int=x
// For example:
// isSimplePower(x: 1, n: 4) == true
// isSimplePower(x: 2, n: 2) == true
// isSimplePower(x: 8, n: 2) == true
// isSimplePower(x: 3, n: 2) == false
// isSimplePower(x: 3, n: 1) == false
// isSimplePower(x: 5, n: 3) == false
func isSimplePower(x: Int, n: Int) -> Bool {
if n <= 0 {
return false
}
if x == 1 {
return true
}
var power = 1
while power < x {
power *= n
if power == x {
return true
}
}
return false
}
```func iscube(a: Int) -> Bool {
// your code here
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
// your code here
}
```} // missing return in global function expected to return 'Bool'func iscube(a: Int) -> Bool {
let root = Int(pow(Double(a), 1.0/3.0))
return root * root * root == a
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let root = Int(pow(Double(a), 1.0/3.0))
return root * root * root == a
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc iscube(a: Int) -> Bool {
// your code here
return false
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
// your code here
return false
}
``` // XCTAssertTrue failedfunc iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc iscube(a: Int) -> Bool {
let cubeRoot = Int(pow(Double(a), 1.0/3.0))
return pow(Double(cubeRoot), 3.0) == Double(a)
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let cubeRoot = Int(pow(Double(a), 1.0/3.0))
return pow(Double(cubeRoot), 3.0) == Double(a)
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc iscube(a: Int) -> Bool {
// Write your code here
return false
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
// Write your code here
return false
}
``` // XCTAssertTrue failedfunc iscube(a: Int) -> Bool {
// your code here
return false
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
// your code here
return false
}
``` // XCTAssertTrue failedfunc iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}```swift
// Write a function that takes an integer a and returns true
// if this ingeger is a cube of some integer number.
// Note: you may assume the input is always valid.
// Examples:
// iscube(a: 1) == true
// iscube(a: 2) == false
// iscube(a: -1) == true
// iscube(a: 64) == true
// iscube(a: 0) == true
// iscube(a: 180) == false
func iscube(a: Int) -> Bool {
let cubeRoot = Int(round(pow(Double(a), 1.0/3.0)))
return cubeRoot * cubeRoot * cubeRoot == a
}
``` // Fatal error: Double value cannot be converted to Int because it is either infinite or NaNfunc hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}
```func hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}
```func hexKey(num: String) -> Int {
let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"]
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"]
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}
// Test cases
print(hexKey(num: "AB")) // 1
print(hexKey(num: "1077E")) // 2
print(hexKey(num: "ABED1A33")) // 4
print(hexKey(num: "123456789ABCDEF0")) // 6
print(hexKey(num: "2020")) // 2
```let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"] // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc hexKey(num: String) -> Int {
let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"]
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"]
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}
```let hexDigits = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"] // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc hexKey(num: String) -> Int {
// Define an array of prime hexadecimal digits
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
// Initialize a counter for prime hexadecimal digits
var primeCount = 0
// Iterate over each character in the input string
for char in num {
// Convert the character to a string
let charStr = String(char)
// Check if the character is a prime hexadecimal digit
if primeHexDigits.contains(charStr) {
// Increment the prime count
primeCount += 1
}
}
// Return the total count of prime hexadecimal digits
return primeCount
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
// Define an array of prime hexadecimal digits
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
// Initialize a counter for prime hexadecimal digits
var primeCount = 0
// Iterate over each character in the input string
for char in num {
// Convert the character to a string
let charStr = String(char)
// Check if the character is a prime hexadecimal digit
if primeHexDigits.contains(charStr) {
// Increment the prime count
primeCount += 1
}
}
// Return the total count of prime hexadecimal digits
return primeCount
}
// Example usage:
print(hexKey(num: "AB")) // Output: 1
print(hexKey(num: "1077E")) // Output: 2
print(hexKey(num: "ABED1A33")) // Output: 4
print(hexKey(num: "123456789ABCDEF0")) // Output: 6
print(hexKey(num: "2020")) // Output: 2
```func hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}
```let hexDigits = "0123456789ABCDEF" // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}
```let hexDigits = "0123456789ABCDEF" // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}
```let hexDigits = "0123456789ABCDEF" // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
let primeHexDigits = ["2", "3", "5", "7", "B", "D"]
var count = 0
for digit in num {
if primeHexDigits.contains(String(digit)) {
count += 1
}
}
return count
}
```func hexKey(num: String) -> Int {
// Write your code here
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}```swift
// You have been tasked to write a function that receives
// a hexadecimal number as a string and counts the number of hexadecimal
// digits that are primes (prime number, or a prime, is a natural number
// greater than 1 that is not a product of two smaller natural numbers).
// Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
// Prime numbers are 2, 3, 5, 7, 11, 13, 17,...
// So you have to determine a number of the following digits: 2, 3, 5, 7,
// B (=decimal 11), D (=decimal 13).
// Note: you may assume the input is always correct or empty string,
// and symbols A,B,C,D,E,F are always uppercase.
// Examples:
// hexKey(num: "AB") == 1
// hexKey(num: "1077E") == 2
// hexKey(num: "ABED1A33") == 4
// hexKey(num: "123456789ABCDEF0") == 6
// hexKey(num: "2020") == 2
func hexKey(num: String) -> Int {
// Write your code here
let hexDigits = "0123456789ABCDEF"
let primeHexDigits = "2357BD"
var count = 0
for digit in num {
if primeHexDigits.contains(digit) {
count += 1
}
}
return count
}
```let hexDigits = "0123456789ABCDEF" // initialization of immutable value 'hexDigits' was never used; consider replacing with assignment to '_' or removing itfunc decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}
// Example usage:
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}
// Example usage:
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
binaryString = String(number % 2) + binaryString
number /= 2
}
return "db" + binaryString + "db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
binaryString = String(number % 2) + binaryString
number /= 2
}
return "db" + binaryString + "db"
}
// Example usage:
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
// Convert the decimal number to binary and store it in a variable
var binary = ""
var number = decimal
// Loop until the number is greater than 0
while number > 0 {
// Get the remainder of the number when divided by 2
let remainder = number % 2
// Append the remainder to the binary string
binary = "\(remainder)" + binary
// Divide the number by 2 and update the number variable
number /= 2
}
// Add the 'db' characters to the beginning and end of the binary string
let result = "db\(binary)db"
return result
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
// Convert the decimal number to binary and store it in a variable
var binary = ""
var number = decimal
// Loop until the number is greater than 0
while number > 0 {
// Get the remainder of the number when divided by 2
let remainder = number % 2
// Append the remainder to the binary string
binary = "\(remainder)" + binary
// Divide the number by 2 and update the number variable
number /= 2
}
// Add the 'db' characters to the beginning and end of the binary string
let result = "db\(binary)db"
return result
}
// Test cases
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}
// Example usage:
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binary = ""
var number = decimal
while number > 0 {
binary = String(number % 2) + binary
number /= 2
}
return "db" + binary + "db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binary = ""
var number = decimal
while number > 0 {
binary = String(number % 2) + binary
number /= 2
}
return "db" + binary + "db"
}
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binaryString = ""
var number = decimal
while number > 0 {
let remainder = number % 2
binaryString = "\(remainder)" + binaryString
number /= 2
}
return "db\(binaryString)db"
}
// Example usage:
print(decimalToBinary(decimal: 15)) // Output: "db1111db"
print(decimalToBinary(decimal: 32)) // Output: "db100000db"
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binary = ""
var num = decimal
while num > 0 {
binary = String(num % 2) + binary
num /= 2
}
return "db" + binary + "db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binary = ""
var num = decimal
while num > 0 {
binary = String(num % 2) + binary
num /= 2
}
return "db" + binary + "db"
}
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binary = ""
var num = decimal
while num > 0 {
binary = String(num % 2) + binary
num /= 2
}
return "db" + binary + "db"
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binary = ""
var num = decimal
while num > 0 {
binary = String(num % 2) + binary
num /= 2
}
return "db" + binary + "db"
}
``` // XCTAssertTrue failedfunc decimalToBinary(decimal: Int) -> String {
var binary = ""
var number = decimal
while number > 0 {
binary = String(number % 2) + binary
number /= 2
}
return "db\(binary)db"
}
func main() {
assert(decimalToBinary(decimal: 15) == "db1111db", "Test case 1 failed")
assert(decimalToBinary(decimal: 32) == "db100000db", "Test case 2 failed")
assert(decimalToBinary(decimal: 0) == "db0db", "Test case 3 failed")
assert(decimalToBinary(decimal: 1) == "db1db", "Test case 4 failed")
assert(decimalToBinary(decimal: 255) == "db11111111db", "Test case 5 failed")
print("All test cases passed!")
}```swift
// You will be given a number in decimal form and your task is to convert it to
// binary format. The function should return a string, with each character representing a binary
// number. Each character in the string will be '0' or '1'.
// There will be an extra couple of characters 'db' at the beginning and at the end of the string.
// The extra characters are there to help with the format.
// Examples:
// decimalToBinary(decimal: 15) == "db1111db"
// decimalToBinary(decimal: 32) == "db100000db"
func decimalToBinary(decimal: Int) -> String {
var binary = ""
var number = decimal
while number > 0 {
binary = String(number % 2) + binary
number /= 2
}
return "db\(binary)db"
}
// Main function to test the generated function
func main() {
assert(decimalToBinary(decimal: 15) == "db1111db", "Test case 1 failed")
assert(decimalToBinary(decimal: 32) == "db100000db", "Test case 2 failed")
assert(decimalToBinary(decimal: 0) == "db0db", "Test case 3 failed")
assert(decimalToBinary(decimal: 1) == "db1db", "Test case 4 failed")
assert(decimalToBinary(decimal: 255) == "db11111111db", "Test case 5 failed")
print("All test cases passed!")
}
main()
``` // XCTAssertTrue failedfunc isHappy(s: String) -> Bool {
// Write your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Write your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Write your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Write your code here
return false
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
return false
}
``` // XCTAssertTrue failedfunc isHappy(s: String) -> Bool {
// Write your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Write your code here
var happy = true
var i = 0
if s.count < 3 {
happy = false
} else {
while i < s.count - 2 {
let first = s[s.index(s.startIndex, offsetBy: i)]
let second = s[s.index(s.startIndex, offsetBy: i + 1)]
let third = s[s.index(s.startIndex, offsetBy: i + 2)]
if first == second || second == third || first == third {
happy = false
break
}
i += 1
}
}
return happy
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
var happy = true
var i = 0
if s.count < 3 {
happy = false
} else {
while i < s.count - 2 {
let first = s[s.index(s.startIndex, offsetBy: i)]
let second = s[s.index(s.startIndex, offsetBy: i + 1)]
let third = s[s.index(s.startIndex, offsetBy: i + 2)]
if first == second || second == third || first == third {
happy = false
break
}
i += 1
}
}
return happy
}
// Example usage:
print(isHappy(s: "a")) // Output: false
print(isHappy(s: "aa")) // Output: false
print(isHappy(s: "abcd")) // Output: true
print(isHappy(s: "aabb")) // Output: false
print(isHappy(s: "adb")) // Output: true
print(isHappy(s: "xyy")) // Output: false
```func isHappy(s: String) -> Bool {
// Write your code here
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
}
```} // missing return in global function expected to return 'Bool'func isHappy(s: String) -> Bool {
// Write your code here
return false
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
return false
}
``` // XCTAssertTrue failedfunc isHappy(s: String) -> Bool {
// Write your code here
var count = 0
var result = false
for i in 0..<s.count {
if i < s.count - 2 {
if s[s.index(s.startIndex, offsetBy: i)] != s[s.index(s.startIndex, offsetBy: i + 1)] && s[s.index(s.startIndex, offsetBy: i)] != s[s.index(s.startIndex, offsetBy: i + 2)] && s[s.index(s.startIndex, offsetBy: i + 1)] != s[s.index(s.startIndex, offsetBy: i + 2)] {
count += 1
}
}
}
if count == s.count - 2 {
result = true
}
return result
}```swift
// You are given a string s.
// Your task is to check if the string is hapswift or not.
// A string is hapswift if its length is at least 3 and every 3 consecutive letters are distinct
// For example:
// isHappy(s: "a") == false
// isHappy(s: "aa") == false
// isHappy(s: "abcd") == true
// isHappy(s: "aabb") == false
// isHappy(s: "adb") == true
// isHappy(s: "xyy") == false
func isHappy(s: String) -> Bool {
// Write your code here
var count = 0
var result = false
for i in 0..<s.count {
if i < s.count - 2 {
if s[s.index(s.startIndex, offsetBy: i)] != s[s.index(s.startIndex, offsetBy: i + 1)] && s[s.index(s.startIndex, offsetBy: i)] != s[s.index(s.startIndex, offsetBy: i + 2)] && s[s.index(s.startIndex, offsetBy: i + 1)] != s[s.index(s.startIndex, offsetBy: i + 2)] {
count += 1
}
}
}
if count == s.count - 2 {
result = true
}
return result
}
// Example usage:
print(isHappy(s: "a")) // Output: false
print(isHappy(s: "aa")) // Output: false
print(isHappy(s: "abcd")) // Output: true
print(isHappy(s: "aabb")) // Output: false
print(isHappy(s: "adb")) // Output: true
print(isHappy(s: "xyy")) // Output: false
``` // XCTAssertTrue failedfunc numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}
```} // missing return in global function expected to return '[String]'func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}
```} // missing return in global function expected to return '[String]'func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}
```} // missing return in global function expected to return '[String]'func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade >= 3.7 {
letterGrades.append("A")
} else if grade >= 3.3 {
letterGrades.append("A-")
} else if grade >= 3.0 {
letterGrades.append("B+")
} else if grade >= 2.7 {
letterGrades.append("B")
} else if grade >= 2.3 {
letterGrades.append("B-")
} else if grade >= 2.0 {
letterGrades.append("C+")
} else if grade >= 1.7 {
letterGrades.append("C")
} else if grade >= 1.3 {
letterGrades.append("C-")
} else if grade >= 1.0 {
letterGrades.append("D+")
} else if grade >= 0.7 {
letterGrades.append("D")
} else if grade >= 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade >= 3.7 {
letterGrades.append("A")
} else if grade >= 3.3 {
letterGrades.append("A-")
} else if grade >= 3.0 {
letterGrades.append("B+")
} else if grade >= 2.7 {
letterGrades.append("B")
} else if grade >= 2.3 {
letterGrades.append("B-")
} else if grade >= 2.0 {
letterGrades.append("C+")
} else if grade >= 1.7 {
letterGrades.append("C")
} else if grade >= 1.3 {
letterGrades.append("C-")
} else if grade >= 1.0 {
letterGrades.append("D+")
} else if grade >= 0.7 {
letterGrades.append("D")
} else if grade >= 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}
``` // XCTAssertTrue failedfunc numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}
```} // missing return in global function expected to return '[String]'func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
// Write your code here
}
```} // missing return in global function expected to return '[String]'func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}
```func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade >= 3.7 {
letterGrades.append("A")
} else if grade >= 3.3 {
letterGrades.append("A-")
} else if grade >= 3.0 {
letterGrades.append("B+")
} else if grade >= 2.7 {
letterGrades.append("B")
} else if grade >= 2.3 {
letterGrades.append("B-")
} else if grade >= 2.0 {
letterGrades.append("C+")
} else if grade >= 1.7 {
letterGrades.append("C")
} else if grade >= 1.3 {
letterGrades.append("C-")
} else if grade >= 1.0 {
letterGrades.append("D+")
} else if grade >= 0.7 {
letterGrades.append("D")
} else if grade >= 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade >= 3.7 {
letterGrades.append("A")
} else if grade >= 3.3 {
letterGrades.append("A-")
} else if grade >= 3.0 {
letterGrades.append("B+")
} else if grade >= 2.7 {
letterGrades.append("B")
} else if grade >= 2.3 {
letterGrades.append("B-")
} else if grade >= 2.0 {
letterGrades.append("C+")
} else if grade >= 1.7 {
letterGrades.append("C")
} else if grade >= 1.3 {
letterGrades.append("C-")
} else if grade >= 1.0 {
letterGrades.append("D+")
} else if grade >= 0.7 {
letterGrades.append("D")
} else if grade >= 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}
``` // XCTAssertTrue failedfunc numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}
```func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}```swift
// It is the last week of the semester and the teacher has to give the grades
// to students. The teacher has been making her own algorithm for grading.
// The only problem is, she has lost the code she used for grading.
// She has given you an array of GPAs for some students and you have to write
// a function that can output an array of letter grades using the following table:
// GPA | Letter grade
// 4.0 A+
// > 3.7 A
// > 3.3 A-
// > 3.0 B+
// > 2.7 B
// > 2.3 B-
// > 2.0 C+
// > 1.7 C
// > 1.3 C-
// > 1.0 D+
// > 0.7 D
// > 0.0 D-
// 0.0 E
// Example:
// numericalLetterGrade(grades: [4.0, 3, 1.7, 2, 3.5]) == ["A+", "B", "C-", "C", "A-"]
func numericalLetterGrade(grades: [Double]) -> [String] {
var letterGrades: [String] = []
for grade in grades {
if grade >= 4.0 {
letterGrades.append("A+")
} else if grade > 3.7 {
letterGrades.append("A")
} else if grade > 3.3 {
letterGrades.append("A-")
} else if grade > 3.0 {
letterGrades.append("B+")
} else if grade > 2.7 {
letterGrades.append("B")
} else if grade > 2.3 {
letterGrades.append("B-")
} else if grade > 2.0 {
letterGrades.append("C+")
} else if grade > 1.7 {
letterGrades.append("C")
} else if grade > 1.3 {
letterGrades.append("C-")
} else if grade > 1.0 {
letterGrades.append("D+")
} else if grade > 0.7 {
letterGrades.append("D")
} else if grade > 0.0 {
letterGrades.append("D-")
} else {
letterGrades.append("E")
}
}
return letterGrades
}
```func primeLength(string: String) -> Bool {
// Your code here
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Test cases
assert(primeLength(string: "Hello") == true, "Test case 1 failed")
assert(primeLength(string: "abcdcba") == true, "Test case 2 failed")
assert(primeLength(string: "kittens") == true, "Test case 3 failed")
assert(primeLength(string: "orange") == false, "Test case 4 failed")
assert(primeLength(string: "") == false, "Test case 5 failed")
assert(primeLength(string: "a") == false, "Test case 6 failed")
assert(primeLength(string: "ab") == false, "Test case 7 failed")
assert(primeLength(string: "abc") == true, "Test case 8 failed")
assert(primeLength(string: "abcd") == false, "Test case 9 failed")
assert(primeLength(string: "abcde") == true, "Test case 10 failed")
print("All test cases passed!")
```func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func primeLength(string: String) -> Bool {
let length = string.count
if length <= 1 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length <= 1 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func primeLength(string: String) -> Bool {
let length = string.count
if length == 1 {
return true
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
func isPalindrome(string: String) -> Bool {
let reversedString = String(string.reversed())
return string == reversedString
}
func isPangram(string: String) -> Bool {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let lowercasedString = string.lowercased()
for char in alphabet {
if !lowercasedString.contains(char) {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length == 1 {
return true
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Write a function that takes a string and returns true if the string
// is a palindrome or false otherwise
// Examples
// isPalindrome(string: "Hello") == false
// isPalindrome(string: "abcdcba") == true
// isPalindrome(string: "kittens") == false
func isPalindrome(string: String) -> Bool {
let reversedString = String(string.reversed())
return string == reversedString
}
// Write a function that takes a string and returns true if the string
// is a pangram or false otherwise
// Examples
// isPangram(string: "The quick brown fox jumps over the lazy dog") == true
// isPangram(string: "Hello world") == false
func isPangram(string: String) -> Bool {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let lowercasedString = string.lowercased()
for char in alphabet {
if !lowercasedString.contains(char) {
return false
}
}
return true
}
// Write a function that takes a string and returns true if the string
// is a pangram or false otherwise
// Examples
// isPangram(string: "The quick brown fox jumps over the lazy dog") == true
// isPangram(string: "Hello world") == false
func isPangram(string: String) -> Bool {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let lowercasedString = string.lowercased()
for char in alphabet {
if !lowercasedString.contains(char) {
return false
}
}
return true
}
``` // Fatal error: Range requires lowerBound <= upperBoundfunc primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
```func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func primeLength(string: String) -> Bool {
let length = string.count
var isPrime = true
if length <= 1 {
return false
}
for i in 2..<length {
if length % i == 0 {
isPrime = false
break
}
}
return isPrime
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
var isPrime = true
if length <= 1 {
return false
}
for i in 2..<length {
if length % i == 0 {
isPrime = false
break
}
}
return isPrime
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}```swift
// Write a function that takes a string and returns true if the string
// length is a prime number or false otherwise
// Examples
// primeLength(string: "Hello") == true
// primeLength(string: "abcdcba") == true
// primeLength(string: "kittens") == true
// primeLength(string: "orange") == false
func primeLength(string: String) -> Bool {
let length = string.count
if length < 2 {
return false
}
for i in 2..<length {
if length % i == 0 {
return false
}
}
return true
}
// Example usage:
print(primeLength(string: "Hello")) // Output: true
print(primeLength(string: "abcdcba")) // Output: true
print(primeLength(string: "kittens")) // Output: true
print(primeLength(string: "orange")) // Output: false
```func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}
// Example usage:
let n = 3
let count = startsOneEnds(n: n)
print("The count of numbers starting or ending with 1 that have \(n) digits is: \(count)")
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}
// Example usage:
let n = 3
let result = startsOneEnds(n: n)
print("The count of numbers with \(n)-digits starting or ending with 1 is: \(result)")
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}
// Example usage:
let n = 2
let count = startsOneEnds(n: n)
print("The number of \(n)-digit numbers starting or ending with 1 is: \(count)")
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}
// Example usage:
print(startsOneEnds(n: 1)) // Output: 2
print(startsOneEnds(n: 2)) // Output: 8
print(startsOneEnds(n: 3)) // Output: 40
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Given a positive integer n, return the count of the numbers of n // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}
// Example usage:
let n = 3
let count = startsOneEnds(n: n)
print("The count of numbers starting or ending with 1 that have \(n) digits is: \(count)")
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1)
}
// Example usage:
let n = 3
let count = startsOneEnds(n: n)
print("The count of numbers starting or ending with 1 that have \(n) digits is: \(count)")
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
} else {
return 2 * startsOneEnds(n: n - 1)
}
}
``` // XCTAssertTrue failedfunc startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}```swift
// Given a positive integer n, return the count of the numbers of n-digit
// positive integers that start or end with 1.
func startsOneEnds(n: Int) -> Int {
if n == 1 {
return 2
}
return 2 * startsOneEnds(n: n - 1) + 1
}
// Example usage:
let n = 3
let count = startsOneEnds(n: n)
print("The count of numbers starting or ending with 1 that have \(n) digits is: \(count)")
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
var sum = 0
var num = N
while num > 0 {
sum += num % 2
num /= 2
}
return String(sum, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
var sum = 0
var num = N
while num > 0 {
sum += num % 2
num /= 2
}
return String(sum, radix: 2)
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
// Convert the integer to a binary string
let binaryString = String(N, radix: 2)
// Calculate the sum of the digits in the binary string
let sumOfDigits = binaryString.reduce(0) { $0 + Int(String($1))! }
// Convert the sum to a binary string
let binarySum = String(sumOfDigits, radix: 2)
return binarySum
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
// Convert the integer to a binary string
let binaryString = String(N, radix: 2)
// Calculate the sum of the digits in the binary string
let sumOfDigits = binaryString.reduce(0) { $0 + Int(String($1))! }
// Convert the sum to a binary string
let binarySum = String(sumOfDigits, radix: 2)
return binarySum
}
// Example usage:
print(solve(N: 1000)) // Output: "1"
print(solve(N: 150)) // Output: "110"
print(solve(N: 147)) // Output: "1100"
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
let binaryString = String(N, radix: 2)
let sum = binaryString.reduce(0) { $0 + Int(String($1), radix: 2)! }
return String(sum, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
let binaryString = String(N, radix: 2)
let sum = binaryString.reduce(0) { $0 + Int(String($1), radix: 2)! }
return String(sum, radix: 2)
}
// Example usage:
print(solve(N: 1000)) // Output: "1"
print(solve(N: 150)) // Output: "110"
print(solve(N: 147)) // Output: "1100"
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
var sum = 0
var n = N
while n > 0 {
sum += n % 2
n /= 2
}
return String(sum, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
var sum = 0
var n = N
while n > 0 {
sum += n % 2
n /= 2
}
return String(sum, radix: 2)
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
let binary = String(N, radix: 2)
return binary
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
let binary = String(N, radix: 2)
return binary
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
var binarySum = 0
var number = N
while number > 0 {
binarySum += number % 2
number /= 2
}
return String(binarySum, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
var binarySum = 0
var number = N
while number > 0 {
binarySum += number % 2
number /= 2
}
return String(binarySum, radix: 2)
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
let binary = String(N, radix: 2)
return binary
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
let binary = String(N, radix: 2)
return binary
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
let binaryRepresentation = String(N, radix: 2)
let sumOfDigits = binaryRepresentation.reduce(0) { $0 + Int(String($1))! }
return String(sumOfDigits, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
let binaryRepresentation = String(N, radix: 2)
let sumOfDigits = binaryRepresentation.reduce(0) { $0 + Int(String($1))! }
return String(sumOfDigits, radix: 2)
}
// Example usage:
print(solve(N: 1000)) // Output: "1"
print(solve(N: 150)) // Output: "110"
print(solve(N: 147)) // Output: "1100"
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
var sum = 0
var num = N
while num > 0 {
sum += num % 2
num /= 2
}
return String(sum, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
var sum = 0
var num = N
while num > 0 {
sum += num % 2
num /= 2
}
return String(sum, radix: 2)
}
``` // XCTAssertTrue failedfunc solve(N: Int) -> String {
let binaryString = String(N, radix: 2)
let sumOfDigits = binaryString.reduce(0) { $0 + Int(String($1))! }
return String(sumOfDigits, radix: 2)
}```swift
// Given a positive integer N, return the total sum of its digits in binary.
// Example
// Variables:
// @N integer
// Constraints: 0 ≤ N ≤ 10000.
// Output:
// a string of binary number
// solve(N: 1000) == "1"
// solve(N: 150) == "110"
// solve(N: 147) == "1100"
func solve(N: Int) -> String {
let binaryString = String(N, radix: 2)
let sumOfDigits = binaryString.reduce(0) { $0 + Int(String($1))! }
return String(sumOfDigits, radix: 2)
}
``` // XCTAssertTrue failedfunc add(lst: [Int]) -> Int {
var sum = 0
for i in stride(from: 1, to: lst.count, by: 2) {
if lst[i] % 2 == 0 {
sum += lst[i]
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for i in stride(from: 1, to: lst.count, by: 2) {
if lst[i] % 2 == 0 {
sum += lst[i]
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 != 0 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 1 && value % 2 == 0 {
sum += value
}
}
return sum
}
```func add(lst: [Int]) -> Int {
var sum = 0
for (index, element) in lst.enumerated() {
if index % 2 == 1 && element % 2 == 0 {
sum += element
}
}
return sum
}```swift
// Given a non-empty array of integers lst. add the even elements that are at odd indices..
// Examples:
// add(lst: [4, 2, 6, 7]) == 2
func add(lst: [Int]) -> Int {
var sum = 0
for (index, element) in lst.enumerated() {
if index % 2 == 1 && element % 2 == 0 {
sum += element
}
}
return sum
}
```func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word and add to the result
let sortedWord = item.sorted()
result += String(sortedWord)
} else {
// Add the space to the result as is
result += item
}
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word and add to the result
let sortedWord = item.sorted()
result += String(sortedWord)
} else {
// Add the space to the result as is
result += item
}
}
return result
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
var result = ""
let words = s.components(separatedBy: " ")
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
var result = ""
let words = s.components(separatedBy: " ")
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: .whitespacesAndNewlines)
// Process each word and space
var orderedWordsAndSpaces = [String]()
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word
let sortedWord = String(item.sorted())
orderedWordsAndSpaces.append(sortedWord)
} else {
// Keep the space as it is
orderedWordsAndSpaces.append(item)
}
}
// Join the ordered words and spaces back into a single string
let orderedString = orderedWordsAndSpaces.joined()
return orderedString
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: .whitespacesAndNewlines)
// Process each word and space
var orderedWordsAndSpaces = [String]()
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word
let sortedWord = String(item.sorted())
orderedWordsAndSpaces.append(sortedWord)
} else {
// Keep the space as it is
orderedWordsAndSpaces.append(item)
}
}
// Join the ordered words and spaces back into a single string
let orderedString = orderedWordsAndSpaces.joined()
return orderedString
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = String(word.sorted())
result += sortedWord + " "
}
return result.trimmingCharacters(in: .whitespacesAndNewlines)
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = String(word.sorted())
result += sortedWord + " "
}
return result.trimmingCharacters(in: .whitespacesAndNewlines)
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
```func antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: .whitespacesAndNewlines)
// Initialize an empty array to store the shuffled words
var shuffledWords: [String] = []
// Iterate over each word and space
for item in wordsAndSpaces {
// If the item is a word, shuffle its characters
if !item.isEmpty {
let shuffledWord = item.sorted()
shuffledWords.append(String(shuffledWord))
} else {
// If the item is a space, keep it as is
shuffledWords.append(item)
}
}
// Join the shuffled words and spaces back into a single string
let orderedString = shuffledWords.joined()
return orderedString
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: .whitespacesAndNewlines)
// Initialize an empty array to store the shuffled words
var shuffledWords: [String] = []
// Iterate over each word and space
for item in wordsAndSpaces {
// If the item is a word, shuffle its characters
if !item.isEmpty {
let shuffledWord = item.sorted()
shuffledWords.append(String(shuffledWord))
} else {
// If the item is a space, keep it as is
shuffledWords.append(item)
}
}
// Join the shuffled words and spaces back into a single string
let orderedString = shuffledWords.joined()
return orderedString
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
let words = s.components(separatedBy: " ")
var result = ""
for word in words {
let sortedWord = word.sorted()
result += String(sortedWord)
}
return result
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word
var shuffledWords: [String] = []
for word in wordsAndSpaces {
if !word.isEmpty {
// Sort the characters of the word
let sortedWord = String(word.sorted())
shuffledWords.append(sortedWord)
} else {
// Keep the spaces as they are
shuffledWords.append(word)
}
}
// Join the words and spaces back into a single string
let shuffledString = shuffledWords.joined()
return shuffledString
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word
var shuffledWords: [String] = []
for word in wordsAndSpaces {
if !word.isEmpty {
// Sort the characters of the word
let sortedWord = String(word.sorted())
shuffledWords.append(sortedWord)
} else {
// Keep the spaces as they are
shuffledWords.append(word)
}
}
// Join the words and spaces back into a single string
let shuffledString = shuffledWords.joined()
return shuffledString
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word and append to the result
let sortedWord = String(item.sorted())
result += sortedWord
} else {
// Append the space to the result
result += item
}
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters of the word and append to the result
let sortedWord = String(item.sorted())
result += sortedWord
} else {
// Append the space to the result
result += item
}
}
return result
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters in the word
let sortedWord = item.sorted()
result += String(sortedWord)
} else {
// Keep the space as is
result += item
}
}
return result
}```swift
// Write a function that takes a string and returns an ordered version of it.
// Ordered version of string, is a string where all words (separated by space)
// are replaced by a new word where all the characters arranged in
// ascending order based on ascii value.
// Note: You should keep the order of words and blank spaces in the sentence.
// For example:
// antiShuffle(s: "Hi") == "Hi"
// antiShuffle(s: "hello") == "ehllo"
// antiShuffle(s: "Hello World!!!") == "Hello !!!Wdlor"
func antiShuffle(s: String) -> String {
// Split the string into words and spaces
let wordsAndSpaces = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
// Process each word and space
var result = ""
for item in wordsAndSpaces {
if !item.isEmpty {
// Sort the characters in the word
let sortedWord = item.sorted()
result += String(sortedWord)
} else {
// Keep the space as is
result += item
}
}
return result
}
// Example usage:
print(antiShuffle(s: "Hi")) // Output: "Hi"
print(antiShuffle(s: "hello")) // Output: "ehllo"
print(antiShuffle(s: "Hello World!!!")) // Output: "Hello !!!Wdlor"
``` // XCTAssertTrue failedfunc getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (rowIndex, row) in lst.enumerated() {
for (colIndex, value) in row.enumerated() {
if value == x {
result.append((rowIndex, colIndex))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (rowIndex, row) in lst.enumerated() {
for (colIndex, value) in row.enumerated() {
if value == x {
result.append((rowIndex, colIndex))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (index, row) in lst.enumerated() {
if let column = row.firstIndex(of: x) {
result.append((index, column))
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (index, row) in lst.enumerated() {
if let column = row.firstIndex(of: x) {
result.append((index, column))
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}
``` // XCTAssertTrue failedfunc getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
for (col, value) in rowData.enumerated() {
if value == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
for (col, value) in rowData.enumerated() {
if value == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}
// Example usage:
let lst = [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]]
let x = 1
print(getRow(lst: lst, x: x)) // Output: [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
for (column, element) in rowData.enumerated() {
if element == x {
result.append((row, column))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
for (column, element) in rowData.enumerated() {
if element == x {
result.append((row, column))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (column, value) in rowArray.enumerated() {
if value == x {
result.append((row, column))
}
}
}
result.sort { (first, second) -> Bool in
if first.0 == second.0 {
return first.1 > second.1
} else {
return first.0 < second.0
}
}
return result
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (column, value) in rowArray.enumerated() {
if value == x {
result.append((row, column))
}
}
}
result.sort { (first, second) -> Bool in
if first.0 == second.0 {
return first.1 > second.1
} else {
return first.0 < second.0
}
}
return result
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (rowIndex, row) in lst.enumerated() {
for (columnIndex, value) in row.enumerated() {
if value == x {
result.append((rowIndex, columnIndex))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (rowIndex, row) in lst.enumerated() {
for (columnIndex, value) in row.enumerated() {
if value == x {
result.append((rowIndex, columnIndex))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (col, value) in rowArray.enumerated() {
if value == x {
result.append((row, col))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (col, value) in rowArray.enumerated() {
if value == x {
result.append((row, col))
}
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (col, colValue) in rowArray.enumerated() {
if colValue == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result: [(Int, Int)] = []
for (row, rowArray) in lst.enumerated() {
for (col, colValue) in rowArray.enumerated() {
if colValue == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowArray) in lst.enumerated() {
for (col, colValue) in rowArray.enumerated() {
if colValue == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowArray) in lst.enumerated() {
for (col, colValue) in rowArray.enumerated() {
if colValue == x {
result.append((row, col))
}
}
}
result.sort { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
return result
}
```func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
if let column = rowData.firstIndex(of: x) {
result.append((row, column))
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}```swift
// You are given a 2 dimensional data, as a nested arrays,
// which is similar to matrix, however, unlike matrices,
// each row may contain a different number of columns.
// Given lst, and integer x, find integers x in the array,
// and return array of tuples, [(x1, y1), (x2, y2) ...] such that
// each tuple is a coordinate - (row, columns), starting with 0.
// Sort coordinates initially by rows in ascending order.
// Also, sort coordinates of the row by columns in descending order.
// Examples:
// getRow(lst: [[1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 1, 6], [1, 2, 3, 4, 5, 1]], x: 1) == [(0, 0), (1, 4), (1, 0), (2, 5), (2, 0)]
// getRow(lst: [] as [[Int]], x: 1) == [] as [(Int, Int)]
// getRow(lst: [[] as [Int], [1], [1, 2, 3]], x: 3) == [(2, 2)]
func getRow(lst: [[Int]], x: Int) -> [(Int, Int)] {
var result = [(Int, Int)]()
for (row, rowData) in lst.enumerated() {
if let column = rowData.firstIndex(of: x) {
result.append((row, column))
}
}
return result.sorted { $0.0 < $1.0 || ($0.0 == $1.0 && $0.1 > $1.1) }
}
``` // XCTAssertTrue failedfunc sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = sum % 2 == 0 ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = sum % 2 == 0 ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = array.sorted(by: { sum % 2 == 0 ? $0 > $1 : $0 < $1 })
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = array.sorted(by: { sum % 2 == 0 ? $0 > $1 : $0 < $1 })
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isEven = sumFirstLast % 2 == 0
// Sort the array in the appropriate order.
let sortedArray = isEven ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isEven = sumFirstLast % 2 == 0
// Sort the array in the appropriate order.
let sortedArray = isEven ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = array.sorted()
return sum % 2 == 0 ? sortedArray.reversed() : sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
let sortedArray = array.sorted()
return sum % 2 == 0 ? sortedArray.reversed() : sortedArray
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
if sum % 2 == 0 {
return array.sorted(by: >)
} else {
return array.sorted(by: <)
}
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
let sum = array.first! + array.last!
if sum % 2 == 0 {
return array.sorted(by: >)
} else {
return array.sorted(by: <)
}
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc sortArray(array: [Int]) -> [Int] {
if array.isEmpty {
return []
}
let sumOfFirstAndLast = array.first! + array.last!
let sortedArray = array.sorted()
if sumOfFirstAndLast % 2 == 0 {
return sortedArray.reversed()
} else {
return sortedArray
}
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
if array.isEmpty {
return []
}
let sumOfFirstAndLast = array.first! + array.last!
let sortedArray = array.sorted()
if sumOfFirstAndLast % 2 == 0 {
return sortedArray.reversed()
} else {
return sortedArray
}
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, return it as is.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, return it as is.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isOddSum = sumFirstLast % 2 != 0
// Sort the array based on the determined order.
let sortedArray = isOddSum ? array.sorted() : array.sorted(by: >)
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isEven = sumFirstLast % 2 == 0
// Sort the array in ascending or descending order.
let sortedArray = isEven ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}```swift
// Given an array of non-negative integers, return a coswift of the given array after sorting,
// you will sort the given array in ascending order if the sum( first index value, last index value) is odd,
// or sort it in descending order if the sum( first index value, last index value) is even.
// Note:
// * don't change the given array.
// Examples:
// sortArray(array: [] as [Int]) == [] as [Int]
// sortArray(array: [5]) == [5]
// sortArray(array: [2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5]
// sortArray(array: [2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0]
func sortArray(array: [Int]) -> [Int] {
// Check if the array is empty or has only one element, in which case it's already sorted.
if array.count <= 1 {
return array
}
// Calculate the sum of the first and last elements.
let sumFirstLast = array.first! + array.last!
// Determine the sorting order based on the sum of the first and last elements.
let isEven = sumFirstLast % 2 == 0
// Sort the array in ascending or descending order.
let sortedArray = isEven ? array.sorted(by: >) : array.sorted(by: <)
return sortedArray
}
// Example usage:
print(sortArray(array: [])) // Output: []
print(sortArray(array: [5])) // Output: [5]
print(sortArray(array: [2, 4, 3, 0, 1, 5])) // Output: [0, 1, 2, 3, 4, 5]
print(sortArray(array: [2, 4, 3, 0, 1, 5, 6])) // Output: [6, 5, 4, 3, 2, 1, 0]
```func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let rotatedAlphabet = alphabet.rotate(by: 2 * 2)
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let encryptedIndex = rotatedAlphabet.index(of: index)
encrypted.append(encryptedIndex)
} else {
encrypted.append(char)
}
}
return encrypted
}
extension String {
func rotate(by offset: Int) -> String {
let offset = offset % 26
let index = index(startIndex, offsetBy: offset)
return String(self[index...]) + String(self[..<index])
}
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let rotatedAlphabet = alphabet.rotate(by: 2 * 2)
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let encryptedIndex = rotatedAlphabet.index(of: index)
encrypted.append(encryptedIndex)
} else {
encrypted.append(char)
}
}
return encrypted
}
extension String {
func rotate(by offset: Int) -> String {
let offset = offset % 26
let index = index(startIndex, offsetBy: offset)
return String(self[index...]) + String(self[..<index])
}
}
// Test cases
assert(encrypt(s: "hi") == "lm")
assert(encrypt(s: "asdfghjkl") == "ewhjklnop")
assert(encrypt(s: "gf") == "kj")
assert(encrypt(s: "et") == "ix")
```if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)'let encryptedIndex = rotatedAlphabet.index(of: index) // cannot convert value of type 'String.Index' to expected argument type 'String.Element' (aka 'Character')func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let rotatedIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[rotatedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let rotatedIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[rotatedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Example usage:
print(encrypt(s: "hi")) // Output: "lm"
print(encrypt(s: "asdfghjkl")) // Output: "ewhjklnop"
print(encrypt(s: "gf")) // Output: "kj"
print(encrypt(s: "et")) // Output: "ix"
``` // Fatal error: String index is out of boundsfunc encrypt(s: String) -> String {
// Create a variable to store the encrypted string
var encryptedString = ""
// Create a variable to store the alphabet
let alphabet = "abcdefghijklmnopqrstuvwxyz"
// Loop through the string
for character in s {
// Find the index of the character in the alphabet
if let index = alphabet.firstIndex(of: character) {
// Find the index of the character in the alphabet
let index = alphabet.index(index, offsetBy: 2)
// Append the character to the encrypted string
encryptedString.append(alphabet[index])
}
}
// Return the encrypted string
return encryptedString
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
// Create a variable to store the encrypted string
var encryptedString = ""
// Create a variable to store the alphabet
let alphabet = "abcdefghijklmnopqrstuvwxyz"
// Loop through the string
for character in s {
// Find the index of the character in the alphabet
if let index = alphabet.firstIndex(of: character) {
// Find the index of the character in the alphabet
let index = alphabet.index(index, offsetBy: 2)
// Append the character to the encrypted string
encryptedString.append(alphabet[index])
}
}
// Return the encrypted string
return encryptedString
}
``` // XCTAssertTrue failedfunc encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let shiftedIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[shiftedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let shiftedIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[shiftedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Example usage:
print(encrypt(s: "hi")) // Output: "lm"
print(encrypt(s: "asdfghjkl")) // Output: "ewhjklnop"
print(encrypt(s: "gf")) // Output: "kj"
print(encrypt(s: "et")) // Output: "ix"
```if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)' // Fatal error: String index is out of boundsfunc encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
func decrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var decrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: -2 * 2)
decrypted.append(alphabet[newIndex])
} else {
decrypted.append(char)
}
}
return decrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Create a function decrypt that takes a string as an argument and
// returns a string decrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift up by two multiplied to two places.
// For example:
// decrypt(s: "lm") == "hi"
// decrypt(s: "ewhjklnop") == "asdfghjkl"
// decrypt(s: "kj") == "gf"
// decrypt(s: "ix") == "et"
func decrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var decrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: -2 * 2)
decrypted.append(alphabet[newIndex])
} else {
decrypted.append(char)
}
}
return decrypted
}
```if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)'if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)' // Fatal error: String index is out of boundsfunc encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.index(index, offsetBy: 2)
encrypted.append(alphabet[offset])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.index(index, offsetBy: 2)
encrypted.append(alphabet[offset])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Test cases
assert(encrypt(s: "hi") == "lm", "Test 1 failed")
assert(encrypt(s: "asdfghjkl") == "ewhjklnop", "Test 2 failed")
assert(encrypt(s: "gf") == "kj", "Test 3 failed")
assert(encrypt(s: "et") == "ix", "Test 4 failed")
print("All tests passed!")
``` // XCTAssertTrue failedfunc encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.distance(from: alphabet.startIndex, to: index)
let newIndex = alphabet.index(alphabet.startIndex, offsetBy: (offset + 4) % alphabet.count)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.distance(from: alphabet.startIndex, to: index)
let newIndex = alphabet.index(alphabet.startIndex, offsetBy: (offset + 4) % alphabet.count)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Test cases
assert(encrypt(s: "hi") == "lm", "Test 1 failed")
assert(encrypt(s: "asdfghjkl") == "ewhjklnop", "Test 2 failed")
assert(encrypt(s: "gf") == "kj", "Test 3 failed")
assert(encrypt(s: "et") == "ix", "Test 4 failed")
print("All tests passed!")
```func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
```if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)' // Fatal error: String index is out of boundsfunc encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.distance(from: alphabet.startIndex, to: index)
let encryptedIndex = alphabet.index(alphabet.startIndex, offsetBy: (offset + 4) % alphabet.count)
encrypted.append(alphabet[encryptedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.firstIndex(of: char) {
let offset = alphabet.distance(from: alphabet.startIndex, to: index)
let encryptedIndex = alphabet.index(alphabet.startIndex, offsetBy: (offset + 4) % alphabet.count)
encrypted.append(alphabet[encryptedIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Unit tests
assert(encrypt(s: "hi") == "lm", "Test 1 failed")
assert(encrypt(s: "asdfghjkl") == "ewhjklnop", "Test 2 failed")
assert(encrypt(s: "gf") == "kj", "Test 3 failed")
assert(encrypt(s: "et") == "ix", "Test 4 failed")
print("All tests passed!")
```func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
func decrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var decrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: -2 * 2)
decrypted.append(alphabet[newIndex])
} else {
decrypted.append(char)
}
}
return decrypted
}
func encryptDecrypt(s: String) -> String {
return decrypt(s: encrypt(s: s))
}
func encryptDecryptDecrypt(s: String) -> String {
return encrypt(s: decrypt(s: encrypt(s: s)))
}
func encryptDecryptDecryptDecrypt(s: String) -> String {
return decrypt(s: encrypt(s: decrypt(s: encrypt(s: s))))
}```swift
// Create a function encrypt that takes a string as an argument and
// returns a string encrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift down by two multiplied to two places.
// For example:
// encrypt(s: "hi") == "lm"
// encrypt(s: "asdfghjkl") == "ewhjklnop"
// encrypt(s: "gf") == "kj"
// encrypt(s: "et") == "ix"
func encrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: 2 * 2)
encrypted.append(alphabet[newIndex])
} else {
encrypted.append(char)
}
}
return encrypted
}
// Create a function decrypt that takes a string as an argument and
// returns a string decrypted with the alphabet being rotated.
// The alphabet should be rotated in a manner such that the letters
// shift up by two multiplied to two places.
// For example:
// decrypt(s: "lm") == "hi"
// decrypt(s: "ewhjklnop") == "asdfghjkl"
// decrypt(s: "kj") == "gf"
// decrypt(s: "ix") == "et"
func decrypt(s: String) -> String {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var decrypted = ""
for char in s {
if let index = alphabet.index(of: char) {
let newIndex = alphabet.index(index, offsetBy: -2 * 2)
decrypted.append(alphabet[newIndex])
} else {
decrypted.append(char)
}
}
return decrypted
}
// Create a function encryptDecrypt that takes a string as an argument and
// returns a string encrypted and then decrypted.
// For example:
// encryptDecrypt(s: "hi") == "hi"
// encryptDecrypt(s: "asdfghjkl") == "asdfghjkl"
// encryptDecrypt(s: "gf") == "gf"
// encryptDecrypt(s: "et") == "et"
func encryptDecrypt(s: String) -> String {
return decrypt(s: encrypt(s: s))
}
// Create a function encryptDecryptDecrypt that takes a string as an argument and
// returns a string encrypted, then decrypted, then encrypted again.
// For example:
// encryptDecryptDecrypt(s: "hi") == "lm"
// encryptDecryptDecrypt(s: "asdfghjkl") == "ewhjklnop"
// encryptDecryptDecrypt(s: "gf") == "kj"
// encryptDecryptDecrypt(s: "et") == "ix"
func encryptDecryptDecrypt(s: String) -> String {
return encrypt(s: decrypt(s: encrypt(s: s)))
}
// Create a function encryptDecryptDecryptDecrypt that takes a string as an argument and
// returns a string encrypted, then decrypted, then encrypted again, then decrypted again.
// For example:
// encryptDecryptDecryptDecrypt(s: "hi") == "hi"
// encryptDecryptDecryptDecrypt(s: "asdfghjkl") == "asdfghjkl"
// encryptDecryptDecryptDecrypt(s: "gf") == "gf"
// encryptDecryptDecryptDecrypt(s: "et") == "et"
func encryptDecryptDecryptDecrypt(s: String) -> String {
return decrypt(s: encrypt(s: decrypt(s: encrypt(s: s))))
}
```if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)'if let index = alphabet.index(of: char) { // 'index(of:)' is deprecated: renamed to 'firstIndex(of:)' // Fatal error: String index is out of boundsfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
// Create a min heap from the array
var minHeap = Heap<Int>(elements: lst, sort: <)
// Pop the smallest element
_ = minHeap.remove()
// The next element is the second smallest
return minHeap.peek()
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
// Create a min heap from the array
var minHeap = Heap<Int>(elements: lst, sort: <)
// Pop the smallest element
_ = minHeap.remove()
// The next element is the second smallest
return minHeap.peek()
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
```var minHeap = Heap<Int>(elements: lst, sort: <) // cannot find 'Heap' in scopefunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count >= 2 else { return nil }
// Create a min heap from the array
var minHeap = Heap(array: lst, sort: <)
// Pop the smallest element
_ = minHeap.remove()
// The next element is the second smallest
return minHeap.peek()
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count >= 2 else { return nil }
// Create a min heap from the array
var minHeap = Heap(array: lst, sort: <)
// Pop the smallest element
_ = minHeap.remove()
// The next element is the second smallest
return minHeap.peek()
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
```var minHeap = Heap(array: lst, sort: <) // cannot find 'Heap' in scopefunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: Optional(2)
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: Optional(2)
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedLst = lst.sorted()
sortedLst.removeFirst() // Remove the smallest element
return sortedLst.first
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedLst = lst.sorted()
sortedLst.removeFirst() // Remove the smallest element
return sortedLst.first
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
// Remove duplicates
sortedList = Array(Set(sortedList))
// Check if there are at least two unique elements
if sortedList.count < 2 {
return nil
}
// Return the second smallest element
return sortedList[1]
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
var sortedList = lst.sorted()
sortedList.removeFirst() // Remove the smallest element
return sortedList.first
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
``` // XCTAssertTrue failedfunc nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
let sortedList = lst.sorted()
for i in 1..<sortedList.count {
if sortedList[i] != sortedList[0] {
return sortedList[i]
}
}
return nil
}```swift
// You are given an array of integers.
// Write a function next_smallest() that returns the 2nd smallest element of the array.
// Return nil if there is no such element.
// nextSmallest(lst: [1, 2, 3, 4, 5]) == 2
// nextSmallest(lst: [5, 1, 4, 3, 2]) == 2
// nextSmallest(lst: [] as [Int]) == nil
// nextSmallest(lst: [1, 1]) == nil
func nextSmallest(lst: [Int]) -> Int? {
guard lst.count > 1 else { return nil }
let sortedList = lst.sorted()
for i in 1..<sortedList.count {
if sortedList[i] != sortedList[0] {
return sortedList[i]
}
}
return nil
}
// Example usage:
print(nextSmallest(lst: [1, 2, 3, 4, 5])) // Output: 2
print(nextSmallest(lst: [5, 1, 4, 3, 2])) // Output: 2
print(nextSmallest(lst: [])) // Output: nil
print(nextSmallest(lst: [1, 1])) // Output: nil
```func isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [". ", "? ", "! "])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [". ", "? ", "! "])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}
// Example usage:
let exampleString = "The sky is blue. The sun is shining. I love this weather."
print(isBored(S: exampleString)) // Output: 1
```let sentences = S.components(separatedBy: [". ", "? ", "! "]) // cannot convert value of type 'String' to expected element type 'CharacterSet.ArrayLiteralElement' (aka 'Unicode.Scalar')let sentences = S.components(separatedBy: [". ", "? ", "! "]) // cannot convert value of type 'String' to expected element type 'CharacterSet.ArrayLiteralElement' (aka 'Unicode.Scalar')let sentences = S.components(separatedBy: [". ", "? ", "! "]) // cannot convert value of type 'String' to expected element type 'CharacterSet.ArrayLiteralElement' (aka 'Unicode.Scalar')func isBored(S: String) -> Int {
// Your code here
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func isBored(S: String) -> Int {
// Your code here
return 0
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code here
return 0
}
``` // XCTAssertTrue failedfunc isBored(S: String) -> Int {
// Your code here
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func isBored(S: String) -> Int {
// Your code goes here
return 0
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code goes here
return 0
}
``` // XCTAssertTrue failedfunc isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [".!?"])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [".!?"])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}
// Example usage:
let exampleSentence = "The sky is blue. The sun is shining. I love this weather."
let boredomCount = isBored(S: exampleSentence)
print("Boredoms in the sentence: \(boredomCount)")
```let sentences = S.components(separatedBy: [".!?"]) // cannot convert value of type 'String' to expected element type 'CharacterSet.ArrayLiteralElement' (aka 'Unicode.Scalar')func isBored(S: String) -> Int {
// Your code here
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func isBored(S: String) -> Int {
// Your code goes here
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code goes here
}
```} // missing return in global function expected to return 'Int'func isBored(S: String) -> Int {
// Your code here
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [".", "?", "!"])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}```swift
// You'll be given a string of words, and your task is to count the number
// of boredoms. A boredom is a sentence that starts with the word "I".
// Sentences are delimited by '.', '?' or '!'.
// For example:
// isBored(S: "Hello world") == 0
// isBored(S: "The sky is blue. The sun is shining. I love this weather") == 1
func isBored(S: String) -> Int {
// Split the string into sentences
let sentences = S.components(separatedBy: [".", "?", "!"])
// Count the number of sentences that start with "I"
let boredomCount = sentences.filter { $0.hasPrefix("I") }.count
return boredomCount
}
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
if Int(x) == Int(y) + Int(z) || Int(y) == Int(x) + Int(z) || Int(z) == Int(x) + Int(y) {
return true
} else {
return false
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
if Int(x) == Int(y) + Int(z) || Int(y) == Int(x) + Int(z) || Int(z) == Int(x) + Int(y) {
return true
} else {
return false
}
}
print(anyInt(x: 5, y: 2, z: 7))
print(anyInt(x: 3, y: 2, z: 2))
print(anyInt(x: 3, y: -2, z: 1))
print(anyInt(x: 3.6, y: -2.2, z: 2))
```func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
let numbers = [x, y, z]
let intNumbers = numbers.map { Int($0) }
let sum = intNumbers.reduce(0, +)
return intNumbers.contains(sum)
}
func main() {
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
let numbers = [x, y, z]
let intNumbers = numbers.map { Int($0) }
let sum = intNumbers.reduce(0, +)
return intNumbers.contains(sum)
}
// Main function to test the generated function
func main() {
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
}
main()
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
if x.truncatingRemainder(dividingBy: 1) == 0 && y.truncatingRemainder(dividingBy: 1) == 0 && z.truncatingRemainder(dividingBy: 1) == 0 {
return x == y + z || y == x + z || z == x + y
} else {
return false
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
if x.truncatingRemainder(dividingBy: 1) == 0 && y.truncatingRemainder(dividingBy: 1) == 0 && z.truncatingRemainder(dividingBy: 1) == 0 {
return x == y + z || y == x + z || z == x + y
} else {
return false
}
}
print(anyInt(x: 5, y: 2, z: 7)) // true
print(anyInt(x: 3, y: 2, z: 2)) // false
print(anyInt(x: 3, y: -2, z: 1)) // true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // false
```func anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all numbers are integers
if x.truncatingRemainder(dividingBy: 1) != 0 || y.truncatingRemainder(dividingBy: 1) != 0 || z.truncatingRemainder(dividingBy: 1) != 0 {
return false
}
// Check if one of the numbers is equal to the sum of the other two
let sum = x + y
return z == sum
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all numbers are integers
if x.truncatingRemainder(dividingBy: 1) != 0 || y.truncatingRemainder(dividingBy: 1) != 0 || z.truncatingRemainder(dividingBy: 1) != 0 {
return false
}
// Check if one of the numbers is equal to the sum of the other two
let sum = x + y
return z == sum
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all numbers are integers
if Int(x) != x || Int(y) != y || Int(z) != z {
return false
}
// Check if one of the numbers is equal to the sum of the other two
return x == y + z || y == x + z || z == x + y
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all numbers are integers
if Int(x) != x || Int(y) != y || Int(z) != z {
return false
}
// Check if one of the numbers is equal to the sum of the other two
return x == y + z || y == x + z || z == x + y
}
// Test the function
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
```if Int(x) != x || Int(y) != y || Int(z) != z { // cannot convert value of type 'Double' to expected argument type 'Int'if Int(x) != x || Int(y) != y || Int(z) != z { // cannot convert value of type 'Double' to expected argument type 'Int'if Int(x) != x || Int(y) != y || Int(z) != z { // cannot convert value of type 'Double' to expected argument type 'Int'func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
// Extension to check if a Double is an integer
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all inputs are integers
if !x.isInteger || !y.isInteger || !z.isInteger {
return false
}
// Check if one of the numbers is equal to the sum of the other two
return x == y + z || y == x + z || z == x + y
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
// Check if all inputs are integers
if !x.isInteger || !y.isInteger || !z.isInteger {
return false
}
// Check if one of the numbers is equal to the sum of the other two
return x == y + z || y == x + z || z == x + y
}
// Extension to check if a Double is an integer
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
```func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
// Extension to check if a Double is an integer
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
``` // XCTAssertTrue failedfunc anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}```swift
// Create a function that takes 3 numbers.
// Returns true if one of the numbers is equal to the sum of the other two, and all numbers are integers.
// Returns false in any other cases.
// Examples
// anyInt(x: 5, y: 2, z: 7) == true
// anyInt(x: 3, y: 2, z: 2) == false
// anyInt(x: 3, y: -2, z: 1) == true
// anyInt(x: 3.6, y: -2.2, z: 2) == false
func anyInt(x: Double, y: Double, z: Double) -> Bool {
let sum = x + y
return sum == z && x.isInteger && y.isInteger && z.isInteger
}
// Extension to check if a Double is an integer
extension Double {
var isInteger: Bool {
return self == Double(Int(self))
}
}
// Example usage:
print(anyInt(x: 5, y: 2, z: 7)) // Output: true
print(anyInt(x: 3, y: 2, z: 2)) // Output: false
print(anyInt(x: 3, y: -2, z: 1)) // Output: true
print(anyInt(x: 3.6, y: -2.2, z: 2)) // Output: false
``` // XCTAssertTrue failedfunc encode(message: String) -> String {
// Your code here
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func encode(message: String) -> String {
var encodedMessage = ""
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let alphabetArray = Array(alphabet)
let vowelsArray = Array(vowels)
for char in message {
if vowels.contains(char) {
let index = vowelsArray.firstIndex(of: char)!
let newChar = alphabetArray[(index + 2) % 26]
encodedMessage.append(newChar)
} else if char.isLetter {
let index = alphabetArray.firstIndex(of: char.lowercased())!
let newChar = alphabetArray[(index + 2) % 26].uppercased()
encodedMessage.append(newChar)
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
var encodedMessage = ""
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let alphabetArray = Array(alphabet)
let vowelsArray = Array(vowels)
for char in message {
if vowels.contains(char) {
let index = vowelsArray.firstIndex(of: char)!
let newChar = alphabetArray[(index + 2) % 26]
encodedMessage.append(newChar)
} else if char.isLetter {
let index = alphabetArray.firstIndex(of: char.lowercased())!
let newChar = alphabetArray[(index + 2) % 26].uppercased()
encodedMessage.append(newChar)
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}
// Example usage:
print(encode(message: "test")) // Output: "TGST"
print(encode(message: "This is a message")) // Output: "tHKS KS C MGSSCGG"
```let index = alphabetArray.firstIndex(of: char.lowercased())! // cannot convert value of type 'String' to expected argument type 'String.Element' (aka 'Character')func encode(message: String) -> String {
var encodedMessage = ""
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: char.lowercased().unicodeScalars.first!))
let shiftedChar = alphabet[index].uppercased()
encodedMessage.append(shiftedChar)
} else if char.isLetter {
let shiftedChar = String(char).uppercased()
encodedMessage.append(shiftedChar)
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
var encodedMessage = ""
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: char.lowercased().unicodeScalars.first!))
let shiftedChar = alphabet[index].uppercased()
encodedMessage.append(shiftedChar)
} else if char.isLetter {
let shiftedChar = String(char).uppercased()
encodedMessage.append(shiftedChar)
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}
// Example usage:
print(encode(message: "test")) // Output: "TGST"
print(encode(message: "This is a message")) // Output: "tHKS KS C MGSSCGG"
```let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: char.lowercased().unicodeScalars.first!)) // cannot convert value of type 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') to expected argument type 'String.Index'func encode(message: String) -> String {
// Your code here
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func encode(message: String) -> String {
// Your code here
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func encode(message: String) -> String {
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char)!))
let newChar = alphabet[alphabet.index(index, offsetBy: 2)]
encodedMessage.append(newChar)
} else if char.isLowercase {
encodedMessage.append(char.uppercased())
} else if char.isUppercase {
encodedMessage.append(char.lowercased())
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char)!))
let newChar = alphabet[alphabet.index(index, offsetBy: 2)]
encodedMessage.append(newChar)
} else if char.isLowercase {
encodedMessage.append(char.uppercased())
} else if char.isUppercase {
encodedMessage.append(char.lowercased())
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}
// Example usage:
print(encode(message: "test")) // Output: "TGST"
print(encode(message: "This is a message")) // Output: "tHKS KS C MGSSCGG"
``` // XCTAssertTrue failedfunc encode(message: String) -> String {
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char)!))
let shiftedIndex = alphabet.index(index, offsetBy: 2)
encodedMessage.append(alphabet[shiftedIndex])
} else if char.isLetter {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char.lowercased())!))
let shiftedIndex = alphabet.index(index, offsetBy: 2)
encodedMessage.append(alphabet[shiftedIndex].uppercased())
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
let vowels = "aeiou"
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char)!))
let shiftedIndex = alphabet.index(index, offsetBy: 2)
encodedMessage.append(alphabet[shiftedIndex])
} else if char.isLetter {
let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char.lowercased())!))
let shiftedIndex = alphabet.index(index, offsetBy: 2)
encodedMessage.append(alphabet[shiftedIndex].uppercased())
} else {
encodedMessage.append(char)
}
}
return encodedMessage
}
// Example usage:
print(encode(message: "test")) // Output: "TGST"
print(encode(message: "This is a message")) // Output: "tHKS KS C MGSSCGG"
```let index = alphabet.index(alphabet.startIndex, offsetBy: alphabet.distance(from: alphabet.startIndex, to: alphabet.firstIndex(of: char.lowercased())!)) // cannot convert value of type 'String' to expected argument type 'String.Element' (aka 'Character')func encode(message: String) -> String {
// Your code here
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
// Your code here
}
encode(message: "test") // "TGST"
encode(message: "This is a message") // "tHKS KS C MGSSCGG"
```} // missing return in global function expected to return 'String'func encode(message: String) -> String {
// Your code here
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func encode(message: String) -> String {
let vowels = "aeiou"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = vowels.index(vowels.startIndex, offsetBy: vowels.distance(from: vowels.startIndex, to: vowels.firstIndex(of: char)!))
let newChar = vowels[vowels.index(index, offsetBy: 2)]
encodedMessage += String(newChar)
} else if char.isLowercase {
encodedMessage += String(char.uppercased())
} else if char.isUppercase {
encodedMessage += String(char.lowercased())
} else {
encodedMessage += String(char)
}
}
return encodedMessage
}```swift
// Write a function that takes a message, and encodes in such a
// way that it swaps case of all letters, replaces all vowels in
// the message with the letter that appears 2 places ahead of that
// vowel in the english alphabet.
// Assume only letters.
// Examples:
// encode(message: "test") == "TGST"
// encode(message: "This is a message") == "tHKS KS C MGSSCGG"
func encode(message: String) -> String {
let vowels = "aeiou"
var encodedMessage = ""
for char in message {
if vowels.contains(char) {
let index = vowels.index(vowels.startIndex, offsetBy: vowels.distance(from: vowels.startIndex, to: vowels.firstIndex(of: char)!))
let newChar = vowels[vowels.index(index, offsetBy: 2)]
encodedMessage += String(newChar)
} else if char.isLowercase {
encodedMessage += String(char.uppercased())
} else if char.isUppercase {
encodedMessage += String(char.lowercased())
} else {
encodedMessage += String(char)
}
}
return encodedMessage
}
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) }) ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) }) ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
```let largestPrime = lst.max(where: { isPrime($0) }) ?? 0 // no exact matches in call to instance method 'max'func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max { a, b in
guard a % 2 != 0 && b % 2 != 0 else { return false }
return a > b
}
// If no prime number is found, return 0
guard let prime = largestPrime else { return 0 }
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(prime).compactMap { Int(String($0)) }.reduce(0, +)
return sumOfDigits
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max { a, b in
guard a % 2 != 0 && b % 2 != 0 else { return false }
return a > b
}
// If no prime number is found, return 0
guard let prime = largestPrime else { return 0 }
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(prime).compactMap { Int(String($0)) }.reduce(0, +)
return sumOfDigits
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) })
// If no prime number is found, return 0
if largestPrime == nil {
return 0
}
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime!).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) })
// If no prime number is found, return 0
if largestPrime == nil {
return 0
}
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime!).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
```let largestPrime = lst.max(where: { isPrime($0) }) // no exact matches in call to instance method 'max'func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max { a, b in
guard a != b else { return false }
return isPrime(a) && (!isPrime(b) || a > b)
}
// Calculate the sum of the digits of the largest prime number
guard let prime = largestPrime else { return 0 }
return String(prime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 { return false }
if number <= 3 { return true }
if number % 2 == 0 || number % 3 == 0 { return false }
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 { return false }
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max { a, b in
guard a != b else { return false }
return isPrime(a) && (!isPrime(b) || a > b)
}
// Calculate the sum of the digits of the largest prime number
guard let prime = largestPrime else { return 0 }
return String(prime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 { return false }
if number <= 3 { return true }
if number % 2 == 0 || number % 3 == 0 { return false }
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 { return false }
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
guard let largestPrime = largestPrime else {
return 0
}
return String(largestPrime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
guard let largestPrime = largestPrime else {
return 0
}
return String(largestPrime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) })
// If no prime number is found, return 0
if largestPrime == nil {
return 0
}
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime!).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let largestPrime = lst.max(where: { isPrime($0) })
// If no prime number is found, return 0
if largestPrime == nil {
return 0
}
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime!).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
```let largestPrime = lst.max(where: { isPrime($0) }) // no exact matches in call to instance method 'max'func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
guard a != 0 && b != 0 else { return false }
return !isPrime(a) && isPrime(b)
} ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 { return false }
if number <= 3 { return true }
if number % 2 == 0 || number % 3 == 0 { return false }
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 { return false }
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
guard a != 0 && b != 0 else { return false }
return !isPrime(a) && isPrime(b)
} ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 { return false }
if number <= 3 { return true }
if number % 2 == 0 || number % 3 == 0 { return false }
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 { return false }
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let primes = lst.filter { isPrime($0) }
let largestPrime = primes.max() ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the list
let primes = lst.filter { isPrime($0) }
let largestPrime = primes.max() ?? 0
// Calculate the sum of the digits of the largest prime number
let sumOfDigits = String(largestPrime).reduce(0) { $0 + Int(String($1))! }
return sumOfDigits
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
```func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
guard let largestPrime = largestPrime else {
return 0
}
return String(largestPrime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
guard let largestPrime = largestPrime else {
return 0
}
return String(largestPrime).reduce(0) { $0 + Int(String($1))! }
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
return largestPrime.map { sumOfDigits($0) } ?? 0
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 { return false }
if n <= 3 { return true }
if n % 2 == 0 || n % 3 == 0 { return false }
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 { return false }
i += 6
}
return true
}
func sumOfDigits(_ n: Int) -> Int {
return String(n).compactMap { Int(String($0)) }.reduce(0, +)
}```swift
// You are given an array of integers.
// You need to find the largest prime value and return the sum of its digits.
// Examples:
// skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3]) == 10
// skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1]) == 25
// skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3]) == 13
// skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6]) == 11
// skjkasdkd(lst: [0, 81, 12, 3, 1, 21]) == 3
// skjkasdkd(lst: [0, 8, 1, 2, 1, 7]) == 7
func skjkasdkd(lst: [Int]) -> Int {
// Find the largest prime number in the array
let largestPrime = lst.max { a, b in
if isPrime(a) && isPrime(b) {
return a > b
} else if isPrime(a) {
return true
} else if isPrime(b) {
return false
} else {
return a > b
}
}
// Calculate the sum of the digits of the largest prime number
return largestPrime.map { sumOfDigits($0) } ?? 0
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 { return false }
if n <= 3 { return true }
if n % 2 == 0 || n % 3 == 0 { return false }
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 { return false }
i += 6
}
return true
}
func sumOfDigits(_ n: Int) -> Int {
return String(n).compactMap { Int(String($0)) }.reduce(0, +)
}
// Example usage:
print(skjkasdkd(lst: [0, 3, 2, 1, 3, 5, 7, 4, 5, 5, 5, 2, 181, 32, 4, 32, 3, 2, 32, 324, 4, 3])) // Output: 10
print(skjkasdkd(lst: [1, 0, 1, 8, 2, 4597, 2, 1, 3, 40, 1, 2, 1, 2, 4, 2, 5, 1])) // Output: 25
print(skjkasdkd(lst: [1, 3, 1, 32, 5107, 34, 83278, 109, 163, 23, 2323, 32, 30, 1, 9, 3])) // Output: 13
print(skjkasdkd(lst: [0, 724, 32, 71, 99, 32, 6, 0, 5, 91, 83, 0, 5, 6])) // Output: 11
print(skjkasdkd(lst: [0, 81, 12, 3, 1, 21])) // Output: 3
print(skjkasdkd(lst: [0, 8, 1, 2, 1, 7])) // Output: 7
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n > 0 {
for i in 2..<n {
if isPrime(number: i) {
primes.append(i)
}
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n > 0 {
for i in 2..<n {
if isPrime(number: i) {
primes.append(i)
}
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // Fatal error: Range requires lowerBound <= upperBoundfunc countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n > 0 {
for i in 2..<n {
if isPrime(number: i) {
primes.append(i)
}
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n > 0 {
for i in 2..<n {
if isPrime(number: i) {
primes.append(i)
}
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // Fatal error: Range requires lowerBound <= upperBoundfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 0 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 0 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 1 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 1 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n > 1 {
primes.append(2)
}
for i in 3..<n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n > 1 {
primes.append(2)
}
for i in 3..<n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // Fatal error: Range requires lowerBound <= upperBoundfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 0 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n <= 0 {
return primes
}
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n < 2 {
return primes
}
primes.append(2)
for i in 3..<n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n < 2 {
return primes
}
primes.append(2)
for i in 3..<n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
```func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n < 2 {
return primes
}
for i in 2...n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
if n < 2 {
return primes
}
for i in 2...n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ num: Int) -> Bool {
if num <= 1 {
return false
}
if num <= 3 {
return true
}
if num % 2 == 0 || num % 3 == 0 {
return false
}
var i = 5
while i * i <= num {
if num % i == 0 || num % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes: [Int] = []
for i in 2...n {
if isPrime(number: i) {
primes.append(i)
}
}
return primes
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n <= 1 {
return primes
}
for i in 2...n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// Implement a function that takes an non-negative integer and returns an array of the first n
// integers that are prime numbers and less than n.
// for example:
// countUpTo(n: 5) == [2, 3]
// countUpTo(n: 11) == [2, 3, 5, 7]
// countUpTo(n: 0) == [] as [Int]
// countUpTo(n: 20) == [2, 3, 5, 7, 11, 13, 17, 19]
// countUpTo(n: 1) == [] as [Int]
// countUpTo(n: 18) == [2, 3, 5, 7, 11, 13, 17]
func countUpTo(n: Int) -> [Int] {
var primes = [Int]()
if n <= 1 {
return primes
}
for i in 2...n {
if isPrime(i) {
primes.append(i)
}
}
return primes
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(countUpTo(n: 5)) // Output: [2, 3]
print(countUpTo(n: 11)) // Output: [2, 3, 5, 7]
print(countUpTo(n: 0)) // Output: []
print(countUpTo(n: 20)) // Output: [2, 3, 5, 7, 11, 13, 17, 19]
print(countUpTo(n: 1)) // Output: []
print(countUpTo(n: 18)) // Output: [2, 3, 5, 7, 11, 13, 17]
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// your code here
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// your code here
}
```} // missing return in global function expected to return 'Int'func multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}
// Example usage:
print(multiply(a: 148, b: 412)) // Output: 16
print(multiply(a: 19, b: 28)) // Output: 72
print(multiply(a: 2020, b: 1851)) // Output: 0
print(multiply(a: 14, b: -15)) // Output: 20
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// Write your code here
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// Write your code here
}
```} // missing return in global function expected to return 'Int'func multiply(a: Int, b: Int) -> Int {
// Write your code here
return 0
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// Write your code here
return 0
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// your code here
return 0
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// your code here
return 0
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// Write your code here
return 0
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// Write your code here
return 0
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// Write your code here
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// Write your code here
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}
``` // XCTAssertTrue failedfunc multiply(a: Int, b: Int) -> Int {
// Write your code here
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}```swift
// Complete the function that takes two integers and returns
// the product of their unit digits.
// Assume the input is always valid.
// Examples:
// multiply(a: 148, b: 412) == 16
// multiply(a: 19, b: 28) == 72
// multiply(a: 2020, b: 1851) == 0
// multiply(a: 14, b: -15) == 20
func multiply(a: Int, b: Int) -> Int {
// Write your code here
let aLastDigit = a % 10
let bLastDigit = b % 10
return aLastDigit * bLastDigit
}
// Example usage:
print(multiply(a: 148, b: 412)) // Output: 16
print(multiply(a: 19, b: 28)) // Output: 72
print(multiply(a: 2020, b: 1851)) // Output: 0
print(multiply(a: 14, b: -15)) // Output: 20
``` // XCTAssertTrue failedfunc countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
``` // XCTAssertTrue failedfunc countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() where index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() where index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
``` // XCTAssertTrue failedfunc countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char.uppercased()) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
``` // XCTAssertTrue failedfunc countUpper(s: String) -> Int {
let uppercaseVowels = Set("AEIOU")
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && uppercaseVowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let uppercaseVowels = Set("AEIOU")
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && uppercaseVowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}```swift
// Given a string s, count the number of uppercase vowels in even indices.
// For example:
// countUpper(s: "aBCdEf") == 1
// countUpper(s: "abcdefg") == 0
// countUpper(s: "dBBE") == 0
func countUpper(s: String) -> Int {
let vowels = "AEIOU"
var count = 0
for (index, char) in s.enumerated() {
if index % 2 == 0 && vowels.contains(char) {
count += 1
}
}
return count
}
// Example usage:
print(countUpper(s: "aBCdEf")) // Output: 1
print(countUpper(s: "abcdefg")) // Output: 0
print(countUpper(s: "dBBE")) // Output: 0
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(number)
// Calculate the difference between the number and its integer part
let difference = number - Double(integerPart)
// If the number is exactly halfway between two integers, round away from zero
if difference == 0.5 || difference == -0.5 {
return number > 0 ? integerPart + 1 : integerPart - 1
}
// Otherwise, round to the nearest integer
return Int(round(number))
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(number)
// Calculate the difference between the number and its integer part
let difference = number - Double(integerPart)
// If the number is exactly halfway between two integers, round away from zero
if difference == 0.5 || difference == -0.5 {
return number > 0 ? integerPart + 1 : integerPart - 1
}
// Otherwise, round to the nearest integer
return Int(round(number))
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
let number = Double(value) ?? 0
let roundedValue = number.rounded()
if number.truncatingRemainder(dividingBy: 1) == 0.5 {
return Int(roundedValue) > 0 ? Int(roundedValue.rounded(.up)) : Int(roundedValue.rounded(.down))
} else {
return Int(roundedValue)
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
let number = Double(value) ?? 0
let roundedValue = number.rounded()
if number.truncatingRemainder(dividingBy: 1) == 0.5 {
return Int(roundedValue) > 0 ? Int(roundedValue.rounded(.up)) : Int(roundedValue.rounded(.down))
} else {
return Int(roundedValue)
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the difference between the integer part and the original number
let difference = doubleValue - Double(integerPart)
// Check if the number is equidistant from two integers
if difference == 0.5 {
// If the number is equidistant, round away from zero
return integerPart + (integerPart >= 0 ? 1 : -1)
} else {
// Otherwise, round to the nearest integer
return integerPart + (difference >= 0.5 ? 1 : 0)
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the difference between the integer part and the original number
let difference = doubleValue - Double(integerPart)
// Check if the number is equidistant from two integers
if difference == 0.5 {
// If the number is equidistant, round away from zero
return integerPart + (integerPart >= 0 ? 1 : -1)
} else {
// Otherwise, round to the nearest integer
return integerPart + (difference >= 0.5 ? 1 : 0)
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
``` // XCTAssertTrue failedfunc closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the decimal part of the number
let decimalPart = doubleValue - Double(integerPart)
// Check if the number is equidistant from two integers
if decimalPart == 0.5 || decimalPart == -0.5 {
// Round away from zero
return integerPart + (doubleValue > 0 ? 1 : -1)
} else {
// Return the closest integer
return integerPart + (decimalPart >= 0.5 ? 1 : 0)
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the decimal part of the number
let decimalPart = doubleValue - Double(integerPart)
// Check if the number is equidistant from two integers
if decimalPart == 0.5 || decimalPart == -0.5 {
// Round away from zero
return integerPart + (doubleValue > 0 ? 1 : -1)
} else {
// Return the closest integer
return integerPart + (decimalPart >= 0.5 ? 1 : 0)
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the closest integer
let roundedValue = round(doubleValue)
// Check if the number is equidistant from two integers
if doubleValue == roundedValue {
// If the number is equidistant, round away from zero
return Int(roundedValue)
} else {
// If the number is not equidistant, return the closest integer
return Int(roundedValue)
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the closest integer
let roundedValue = round(doubleValue)
// Check if the number is equidistant from two integers
if doubleValue == roundedValue {
// If the number is equidistant, round away from zero
return Int(roundedValue)
} else {
// If the number is not equidistant, return the closest integer
return Int(roundedValue)
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the difference between the double value and the integer part
let difference = doubleValue - Double(integerPart)
// If the difference is exactly 0.5, round away from zero
if difference == 0.5 {
return integerPart + (doubleValue > 0 ? 1 : -1)
}
// Otherwise, use the built-in round function to round the number
return Int(round(doubleValue))
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Get the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the difference between the double value and the integer part
let difference = doubleValue - Double(integerPart)
// If the difference is exactly 0.5, round away from zero
if difference == 0.5 {
return integerPart + (doubleValue > 0 ? 1 : -1)
}
// Otherwise, use the built-in round function to round the number
return Int(round(doubleValue))
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Check if the number is equidistant from two integers
if number.truncatingRemainder(dividingBy: 1) == 0.5 {
// If equidistant, round away from zero
return Int(number.rounded(.awayFromZero))
} else {
// Otherwise, round to the nearest integer
return Int(number.rounded())
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Check if the number is equidistant from two integers
if number.truncatingRemainder(dividingBy: 1) == 0.5 {
// If equidistant, round away from zero
return Int(number.rounded(.awayFromZero))
} else {
// Otherwise, round to the nearest integer
return Int(number.rounded())
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
```func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(number)
// Calculate the decimal part of the number
let decimalPart = number - Double(integerPart)
// Determine the closest integer
if decimalPart >= 0.5 || (decimalPart == 0.5 && integerPart % 2 != 0) {
return integerPart + 1
} else {
return integerPart
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(number)
// Calculate the decimal part of the number
let decimalPart = number - Double(integerPart)
// Determine the closest integer
if decimalPart >= 0.5 || (decimalPart == 0.5 && integerPart % 2 != 0) {
return integerPart + 1
} else {
return integerPart
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
``` // XCTAssertTrue failedfunc closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the decimal part of the number
let decimalPart = doubleValue - Double(integerPart)
// Determine the closest integer
if decimalPart >= 0.5 || (decimalPart == 0.5 && integerPart % 2 != 0) {
return integerPart + 1
} else {
return integerPart
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let doubleValue = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(doubleValue)
// Calculate the decimal part of the number
let decimalPart = doubleValue - Double(integerPart)
// Determine the closest integer
if decimalPart >= 0.5 || (decimalPart == 0.5 && integerPart % 2 != 0) {
return integerPart + 1
} else {
return integerPart
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
``` // XCTAssertTrue failedfunc closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(number)
// Calculate the decimal part of the number
let decimalPart = number - Double(integerPart)
// Determine the closest integer based on the decimal part
if decimalPart >= 0.5 || (decimalPart <= -0.5 && number < 0) {
return integerPart + 1
} else {
return integerPart
}
}```swift
// Create a function that takes a value (string) representing a number
// and returns the closest integer to it. If the number is equidistant
// from two integers, round it away from zero.
// Examples
// Note:
// Rounding away from zero means that if the given number is equidistant
// from two integers, the one you should return is the one that is the
// farthest from zero. For example closest_integer("14.5") should
// return 15 and closest_integer("-14.5") should return -15.
// closestInteger(value: "10") == 10
// closestInteger(value: "15.3") == 15
func closestInteger(value: String) -> Int {
// Convert the string to a Double
guard let number = Double(value) else {
fatalError("Invalid input: \(value) is not a valid number.")
}
// Calculate the integer part of the number
let integerPart = Int(number)
// Calculate the decimal part of the number
let decimalPart = number - Double(integerPart)
// Determine the closest integer based on the decimal part
if decimalPart >= 0.5 || (decimalPart <= -0.5 && number < 0) {
return integerPart + 1
} else {
return integerPart
}
}
// Example usage:
print(closestInteger(value: "10")) // Output: 10
print(closestInteger(value: "15.3")) // Output: 15
print(closestInteger(value: "-14.5")) // Output: -15
``` // XCTAssertTrue failedfunc makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
for _ in 1..<n {
next += 2
stones.append(next)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
for _ in 1..<n {
next += 2
stones.append(next)
}
return stones
}
makeAPile(n: 3) // [3, 5, 7]
makeAPile(n: 4) // [4, 6, 8, 10]
makeAPile(n: 5) // [5, 7, 9, 11, 13]
```func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}
``` // XCTAssertTrue failedfunc makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
next += 1
if next % 2 == 0 {
stones.append(next)
}
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
next += 1
if next % 2 == 0 {
stones.append(next)
}
}
return stones
}
makeAPile(n: 3)
makeAPile(n: 5)
makeAPile(n: 10)
``` // XCTAssertTrue failedfunc makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
next = next + 2
stones.append(next)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
next = next + 2
stones.append(next)
}
return stones
}
makeAPile(n: 3) // [3, 5, 7]
makeAPile(n: 5) // [5, 7, 9, 11, 13]
makeAPile(n: 1) // [1]
makeAPile(n: 2) // [2, 4]
```func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}
``` // XCTAssertTrue failedfunc makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [n]
var next = n
while stones.count < n {
if next % 2 == 0 {
next += 1
} else {
next += 2
}
stones.append(next)
}
return stones
}
makeAPile(n: 3) // [3, 5, 7]
makeAPile(n: 4) // [4, 6, 8, 10]
makeAPile(n: 5) // [5, 7, 9, 11, 13]
``` // XCTAssertTrue failedfunc makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var currentStone = n
while currentStone > 0 {
stones.append(currentStone)
currentStone = currentStone + (currentStone % 2 == 0 ? 1 : 2)
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var currentStone = n
while currentStone > 0 {
stones.append(currentStone)
currentStone = currentStone + (currentStone % 2 == 0 ? 1 : 2)
}
return stones
}
```func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var current = n
while current > 0 {
stones.append(current)
current = current.isMultiple(of: 2) ? current + 1 : current + 2
}
return stones
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var current = n
while current > 0 {
stones.append(current)
current = current.isMultiple(of: 2) ? current + 1 : current + 2
}
return stones
}
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var current = n
while current > 0 {
stones.append(current)
current = current.isMultiple(of: 2) ? current + 1 : current + 2
}
return stones
}
```func makeAPile(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current > 0 {
result.append(current)
current += 1
if current % 2 == 0 {
current += 1
}
}
return result
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current > 0 {
result.append(current)
current += 1
if current % 2 == 0 {
current += 1
}
}
return result
}
```func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var currentLevel = n
while currentLevel > 0 {
stones.append(currentLevel)
currentLevel = nextLevel(currentLevel)
}
return stones
}
func nextLevel(_ currentLevel: Int) -> Int {
if currentLevel % 2 == 0 {
return currentLevel + 2
} else {
return currentLevel + 1
}
}```swift
// Given a positive integer n, you have to make a pile of n levels of stones.
// The first level has n stones.
// The number of stones in the next level is:
// - the next odd number if n is odd.
// - the next even number if n is even.
// Return the number of stones in each level in an array, where element at index
// i represents the number of stones in the level (i+1).
// Examples:
// makeAPile(n: 3) == [3, 5, 7]
func makeAPile(n: Int) -> [Int] {
var stones = [Int]()
var currentLevel = n
while currentLevel > 0 {
stones.append(currentLevel)
currentLevel = nextLevel(currentLevel)
}
return stones
}
func nextLevel(_ currentLevel: Int) -> Int {
if currentLevel % 2 == 0 {
return currentLevel + 2
} else {
return currentLevel + 1
}
}
// Example usage:
print(makeAPile(n: 3)) // Output: [3, 5, 7]
```func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
// Split the string by commas or spaces and return the resulting array
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
// Split the string by commas or spaces and return the resulting array
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
}
// Example usage:
print(wordsString(s: "Hi, my name is John")) // Output: ["Hi", "my", "name", "is", "John"]
print(wordsString(s: "One, two, three, four, five, six")) // Output: ["One", "two", "three", "four", "five", "six"]
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: .whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: .whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
let words = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
return words.filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
let words = s.components(separatedBy: CharacterSet.whitespacesAndNewlines)
return words.filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: .whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: .whitespacesAndNewlines).filter { !$0.isEmpty }
}
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: .whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
return s.components(separatedBy: CharacterSet.whitespacesAndNewlines).filter { !$0.isEmpty }
}
``` // XCTAssertTrue failedfunc wordsString(s: String) -> [String] {
// Split the string into words using a regular expression that matches
// commas and spaces.
let words = s.components(separatedBy: CharacterSet.whitespacesAndNewlines.union(.punctuationCharacters))
// Filter out any empty strings that may have resulted from the split.
let nonEmptyWords = words.filter { !$0.isEmpty }
return nonEmptyWords
}```swift
// You will be given a string of words separated by commas or spaces. Your task is
// to split the string into words and return an array of the words.
// For example:
// wordsString(s: "Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
// wordsString(s: "One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
func wordsString(s: String) -> [String] {
// Split the string into words using a regular expression that matches
// commas and spaces.
let words = s.components(separatedBy: CharacterSet.whitespacesAndNewlines.union(.punctuationCharacters))
// Filter out any empty strings that may have resulted from the split.
let nonEmptyWords = words.filter { !$0.isEmpty }
return nonEmptyWords
}
// Example usage:
print(wordsString(s: "Hi, my name is John")) // Output: ["Hi", "my", "name", "is", "John"]
print(wordsString(s: "One, two, three, four, five, six")) // Output: ["One", "two", "three", "four", "five", "six"]
```func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}
// Unit tests for the chooseNum function
assert(chooseNum(x: 12, y: 15) == 14, "Test case 1 failed")
assert(chooseNum(x: 13, y: 12) == -1, "Test case 2 failed")
assert(chooseNum(x: 10, y: 10) == 10, "Test case 3 failed")
assert(chooseNum(x: 7, y: 9) == 8, "Test case 4 failed")
assert(chooseNum(x: 1, y: 2) == 2, "Test case 5 failed")
assert(chooseNum(x: 0, y: 0) == 0, "Test case 6 failed")
assert(chooseNum(x: -1, y: 1) == -1, "Test case 7 failed")
assert(chooseNum(x: 1, y: 0) == 0, "Test case 8 failed")
assert(chooseNum(x: 1, y: 2) == 2, "Test case 9 failed")
assert(chooseNum(x: 1, y: 3) == 2, "Test case 10 failed")
print("All tests passed!")
```} // missing return in global function expected to return 'Int'func chooseNum(x: Int, y: Int) -> Int {
// Check if x and y are positive integers
guard x > 0, y > 0 else {
return -1
}
// Check if x is greater than y
guard x <= y else {
return -1
}
// Find the largest even number within the range
var largestEven = -1
for num in x...y {
if num % 2 == 0 {
largestEven = num
}
}
return largestEven
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Check if x and y are positive integers
guard x > 0, y > 0 else {
return -1
}
// Check if x is greater than y
guard x <= y else {
return -1
}
// Find the largest even number within the range
var largestEven = -1
for num in x...y {
if num % 2 == 0 {
largestEven = num
}
}
return largestEven
}
// Example usage:
print(chooseNum(x: 12, y: 15)) // Output: 14
print(chooseNum(x: 13, y: 12)) // Output: -1
```func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}
// Unit tests for the chooseNum function
assert(chooseNum(x: 12, y: 15) == 14, "Test case 1 failed")
assert(chooseNum(x: 13, y: 12) == -1, "Test case 2 failed")
assert(chooseNum(x: 10, y: 10) == 10, "Test case 3 failed")
assert(chooseNum(x: 7, y: 11) == 10, "Test case 4 failed")
assert(chooseNum(x: 1, y: 2) == 2, "Test case 5 failed")
assert(chooseNum(x: 3, y: 3) == 2, "Test case 6 failed")
assert(chooseNum(x: 5, y: 8) == 6, "Test case 7 failed")
assert(chooseNum(x: 0, y: 0) == 0, "Test case 8 failed")
assert(chooseNum(x: -1, y: 1) == 0, "Test case 9 failed")
assert(chooseNum(x: 100, y: 100) == 100, "Test case 10 failed")
print("All test cases passed!")
```} // missing return in global function expected to return 'Int'func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}
```} // missing return in global function expected to return 'Int'func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
if x > y {
return -1
}
// Iterate over the range in reverse order to find the largest even number
for num in (x...y).reversed() {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
if x > y {
return -1
}
// Iterate over the range in reverse order to find the largest even number
for num in (x...y).reversed() {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}
// Example usage:
print(chooseNum(x: 12, y: 15)) // Output: 14
print(chooseNum(x: 13, y: 12)) // Output: -1
```func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Your code here
}
// Test cases
assert(chooseNum(x: 12, y: 15) == 14, "Test case 1 failed")
assert(chooseNum(x: 13, y: 12) == -1, "Test case 2 failed")
assert(chooseNum(x: 10, y: 20) == 20, "Test case 3 failed")
assert(chooseNum(x: 21, y: 30) == 30, "Test case 4 failed")
assert(chooseNum(x: 0, y: 5) == 4, "Test case 5 failed")
assert(chooseNum(x: 1, y: 1) == -1, "Test case 6 failed")
assert(chooseNum(x: 2, y: 2) == 2, "Test case 7 failed")
print("All test cases passed.")
```} // missing return in global function expected to return 'Int'func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
guard x <= y else {
return -1
}
// Iterate from x to y and find the largest even number
for num in stride(from: y, through: x, by: -1) {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
guard x <= y else {
return -1
}
// Iterate from x to y and find the largest even number
for num in stride(from: y, through: x, by: -1) {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}
// Example usage:
print(chooseNum(x: 12, y: 15)) // Output: 14
print(chooseNum(x: 13, y: 12)) // Output: -1
```func chooseNum(x: Int, y: Int) -> Int {
// Check if x and y are positive integers
guard x > 0, y > 0 else {
return -1
}
// Check if x is greater than y
guard x <= y else {
return -1
}
// Find the largest even number in the range
for num in (x...y).reversed() {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Check if x and y are positive integers
guard x > 0, y > 0 else {
return -1
}
// Check if x is greater than y
guard x <= y else {
return -1
}
// Find the largest even number in the range
for num in (x...y).reversed() {
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}
// Example usage:
print(chooseNum(x: 12, y: 15)) // Output: 14
print(chooseNum(x: 13, y: 12)) // Output: -1
```func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
guard x <= y else {
return -1
}
// Iterate from the upper bound down to the lower bound
for num in (x...y).reversed() {
// Check if the number is even
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}```swift
// This function takes two positive numbers x and y and returns the
// biggest even integer number that is in the range [x, y] inclusive. If
// there's no such number, then the function should return -1.
// For example:
// chooseNum(x: 12, y: 15) == 14
// chooseNum(x: 13, y: 12) == -1
func chooseNum(x: Int, y: Int) -> Int {
// Check if the range is valid
guard x <= y else {
return -1
}
// Iterate from the upper bound down to the lower bound
for num in (x...y).reversed() {
// Check if the number is even
if num % 2 == 0 {
return num
}
}
// If no even number is found, return -1
return -1
}
// Example usage:
print(chooseNum(x: 12, y: 15)) // Output: 14
print(chooseNum(x: 13, y: 12)) // Output: -1
```extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = Double(sum) / Double(m - n + 1)
let roundedAverage = Int(round(average))
let binaryString = String(roundedAverage, radix: 2)
return .success("0b" + binaryString)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = Double(sum) / Double(m - n + 1)
let roundedAverage = Int(round(average))
let binaryString = String(roundedAverage, radix: 2)
return .success("0b" + binaryString)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = Double(sum) / Double(m - n + 1)
let roundedAverage = Int(round(average))
let binaryString = String(roundedAverage, radix: 2)
return .success("0b" + binaryString)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = Double(sum) / Double(m - n + 1)
let roundedAverage = Int(round(average))
let binaryString = String(roundedAverage, radix: 2)
return .success("0b" + binaryString)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
// Your code here
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
// Your code here
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let average = (n + m) / 2
let binary = String(average, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let average = (n + m) / 2
let binary = String(average, radix: 2)
return .success("0b" + binary)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else { return .failure(-1) }
let average = Double(n + m) / 2
let roundedAverage = Int(round(average))
let binary = String(roundedAverage, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else { return .failure(-1) }
let average = Double(n + m) / 2
let roundedAverage = Int(round(average))
let binary = String(roundedAverage, radix: 2)
return .success("0b" + binary)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
// Implement your solution here
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
// Implement your solution here
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}
// Example usage:
print(roundedAvg(n: 1, m: 5)) // Output: .success("0b11")
print(roundedAvg(n: 7, m: 5)) // Output: .failure(-1)
print(roundedAvg(n: 10, m: 20)) // Output: .success("0b1111")
print(roundedAvg(n: 20, m: 33)) // Output: .success("0b11010")
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
guard n <= m else {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}
// Example usage:
print(roundedAvg(n: 1, m: 5)) // Output: .success("0b11")
print(roundedAvg(n: 7, m: 5)) // Output: .failure(-1)
print(roundedAvg(n: 10, m: 20)) // Output: .success("0b1111")
print(roundedAvg(n: 20, m: 33)) // Output: .success("0b11010")
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}```swift
extension Int: Error {}
// You are given two positive integers n and m, and your task is to compute the
// average of the integers from n through m (including n and m).
// Round the answer to the nearest integer and convert that to binary.
// If n is greater than m, return -1.
// Example:
// roundedAvg(n: 1, m: 5) == .success("0b11")
// roundedAvg(n: 7, m: 5) == .failure(-1)
// roundedAvg(n: 10, m: 20) == .success("0b1111")
// roundedAvg(n: 20, m: 33) == .success("0b11010")
func roundedAvg(n: Int, m: Int) -> Result<String, Int> {
if n > m {
return .failure(-1)
}
let sum = (n...m).reduce(0, +)
let average = sum / (m - n + 1)
let binary = String(average, radix: 2)
return .success("0b" + binary)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'func uniqueDigits(x: [Int]) -> [Int] {
// your code here
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
// your code here
}
```} // missing return in global function expected to return '[Int]'func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
var temp = i
var isEven = false
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
var temp = i
var isEven = false
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}
uniqueDigits(x: [15, 33, 1422, 1]) // [1, 15, 33]
uniqueDigits(x: [152, 323, 1422, 10]) // []
```func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
var temp = i
var isEven = false
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
var temp = i
var isEven = false
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}
uniqueDigits(x: [15, 33, 1422, 1])
uniqueDigits(x: [152, 323, 1422, 10])
```func uniqueDigits(x: [Int]) -> [Int] {
// Write your code here
var result = [Int]()
for i in x {
var isEven = false
var temp = i
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
// Write your code here
var result = [Int]()
for i in x {
var isEven = false
var temp = i
while temp > 0 {
if temp % 2 == 0 {
isEven = true
break
}
temp /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}
```func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
if !i.description.contains("0") && !i.description.contains("2") && !i.description.contains("4") && !i.description.contains("6") && !i.description.contains("8") {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for i in x {
if !i.description.contains("0") && !i.description.contains("2") && !i.description.contains("4") && !i.description.contains("6") && !i.description.contains("8") {
result.append(i)
}
}
return result.sorted()
}
```func uniqueDigits(x: [Int]) -> [Int] {
// your code here
return []
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
// your code here
return []
}
``` // XCTAssertTrue failedfunc uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for number in x {
var hasEvenDigit = false
var tempNumber = number
while tempNumber > 0 {
let digit = tempNumber % 10
if digit % 2 == 0 {
hasEvenDigit = true
break
}
tempNumber /= 10
}
if !hasEvenDigit {
result.append(number)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for number in x {
var hasEvenDigit = false
var tempNumber = number
while tempNumber > 0 {
let digit = tempNumber % 10
if digit % 2 == 0 {
hasEvenDigit = true
break
}
tempNumber /= 10
}
if !hasEvenDigit {
result.append(number)
}
}
return result.sorted()
}
uniqueDigits(x: [15, 33, 1422, 1]) // [1, 15, 33]
uniqueDigits(x: [152, 323, 1422, 10]) // [] as [Int]
```func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for number in x {
var hasEvenDigit = false
var tempNumber = number
while tempNumber > 0 {
let digit = tempNumber % 10
if digit % 2 == 0 {
hasEvenDigit = true
break
}
tempNumber /= 10
}
if !hasEvenDigit {
result.append(number)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result = [Int]()
for number in x {
var hasEvenDigit = false
var tempNumber = number
while tempNumber > 0 {
let digit = tempNumber % 10
if digit % 2 == 0 {
hasEvenDigit = true
break
}
tempNumber /= 10
}
if !hasEvenDigit {
result.append(number)
}
}
return result.sorted()
}
uniqueDigits(x: [15, 33, 1422, 1]) // [1, 15, 33]
uniqueDigits(x: [152, 323, 1422, 10]) // []
```func uniqueDigits(x: [Int]) -> [Int] {
var result: [Int] = []
for i in x {
var number = i
var isEven = false
while number > 0 {
let digit = number % 10
if digit % 2 == 0 {
isEven = true
break
}
number /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result: [Int] = []
for i in x {
var number = i
var isEven = false
while number > 0 {
let digit = number % 10
if digit % 2 == 0 {
isEven = true
break
}
number /= 10
}
if !isEven {
result.append(i)
}
}
return result.sorted()
}
uniqueDigits(x: [15, 33, 1422, 1]) // [1, 15, 33]
uniqueDigits(x: [152, 323, 1422, 10]) // []
```func uniqueDigits(x: [Int]) -> [Int] {
var result: [Int] = []
for i in x {
var temp = i
var hasEvenDigit = false
while temp > 0 {
if temp % 2 == 0 {
hasEvenDigit = true
break
}
temp /= 10
}
if !hasEvenDigit {
result.append(i)
}
}
return result.sorted()
}```swift
// Given an array of positive integers x. return a sorted array of all
// elements that hasn't any even digit.
// Note: Returned array should be sorted in increasing order.
// For example:
// uniqueDigits(x: [15, 33, 1422, 1]) == [1, 15, 33]
// uniqueDigits(x: [152, 323, 1422, 10]) == [] as [Int]
func uniqueDigits(x: [Int]) -> [Int] {
var result: [Int] = []
for i in x {
var temp = i
var hasEvenDigit = false
while temp > 0 {
if temp % 2 == 0 {
hasEvenDigit = true
break
}
temp /= 10
}
if !hasEvenDigit {
result.append(i)
}
}
return result.sorted()
}
// Example usage:
print(uniqueDigits(x: [15, 33, 1422, 1])) // Output: [1, 15, 33]
print(uniqueDigits(x: [152, 323, 1422, 10])) // Output: []
```func byLength(arr: [Int]) -> [String] {
let validNumbers = Set(1...9)
let sortedNumbers = arr.filter { validNumbers.contains($0) }.sorted(by: >)
let names = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"]
return sortedNumbers.map { names[$0 - 1] }
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
let validNumbers = Set(1...9)
let sortedNumbers = arr.filter { validNumbers.contains($0) }.sorted(by: >)
let names = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"]
return sortedNumbers.map { names[$0 - 1] }
}
```func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredNumbers = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered numbers
let reversedNumbers = filteredNumbers.reversed()
// Map each number to its corresponding name
let names = reversedNumbers.map { number in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return names
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredNumbers = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered numbers
let reversedNumbers = filteredNumbers.reversed()
// Map each number to its corresponding name
let names = reversedNumbers.map { number in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return names
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
let validNumbers = Set(1...9)
let validNumbersNames = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"]
// Filter out numbers that are not between 1 and 9
let filteredNumbers = arr.filter { validNumbers.contains($0) }
// Reverse the filtered numbers
let reversedNumbers = filteredNumbers.reversed()
// Map the numbers to their corresponding names
let names = reversedNumbers.map { validNumbersNames[$0 - 1] }
return names
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
let validNumbers = Set(1...9)
let validNumbersNames = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"]
// Filter out numbers that are not between 1 and 9
let filteredNumbers = arr.filter { validNumbers.contains($0) }
// Reverse the filtered numbers
let reversedNumbers = filteredNumbers.reversed()
// Map the numbers to their corresponding names
let names = reversedNumbers.map { validNumbersNames[$0 - 1] }
return names
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each number to its corresponding name
let namedArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namedArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each number to its corresponding name
let namedArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namedArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namesArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namesArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namesArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namesArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each number to its corresponding name
let namedArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namedArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each number to its corresponding name
let namedArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namedArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namesArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namesArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namesArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namesArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namedArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namedArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namedArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should not happen due to the filter
}
}
return namedArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namedArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namedArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter out numbers that are not between 1 and 9
let filteredArray = arr.filter { $0 >= 1 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map each digit to its corresponding name
let namedArray = reversedArray.map { digit -> String in
switch digit {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namedArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc byLength(arr: [Int]) -> [String] {
// Filter the array to include only integers between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map the reversed array to their corresponding names
let namesArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namesArray
}```swift
// Given an array of integers, sort the integers that are between 1 and 9 inclusive,
// reverse the resulting array, and then replace each digit by its corresponding name from
// "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine".
// For example:
// If the array is empty, return an empty array:
// If the array has any strange number ignore it:
// byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3]) == ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
// byLength(arr: [] as [Int]) == [] as [String]
// byLength(arr: [1, -1, 55]) == ["One"]
func byLength(arr: [Int]) -> [String] {
// Filter the array to include only integers between 1 and 9
let filteredArray = arr.filter { 1 <= $0 && $0 <= 9 }
// Reverse the filtered array
let reversedArray = filteredArray.reversed()
// Map the reversed array to their corresponding names
let namesArray = reversedArray.map { number -> String in
switch number {
case 1: return "One"
case 2: return "Two"
case 3: return "Three"
case 4: return "Four"
case 5: return "Five"
case 6: return "Six"
case 7: return "Seven"
case 8: return "Eight"
case 9: return "Nine"
default: return "" // This case should never happen due to the filter
}
}
return namesArray
}
// Example usage:
print(byLength(arr: [2, 1, 1, 4, 5, 8, 2, 3])) // Output: ["Eight", "Five", "Four", "Three", "Two", "Two", "One", "One"]
print(byLength(arr: [])) // Output: []
print(byLength(arr: [1, -1, 55])) // Output: ["One"]
``` // XCTAssertTrue failedfunc f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}
// Example usage:
let n = 5
let result = f(n: n)
print(result) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
func sumOfNumbers(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
func sumOfNumbers(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
}
return number * factorial(number - 1)
}
func sumOfNumbers(_ number: Int) -> Int {
return (1...number).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
}
return number * factorial(number - 1)
}
func sumOfNumbers(_ number: Int) -> Int {
return (1...number).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
} else {
return number * factorial(number - 1)
}
}
func sumOfNumbers(_ number: Int) -> Int {
var sum = 0
for i in 1...number {
sum += i
}
return sum
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
} else {
return number * factorial(number - 1)
}
}
func sumOfNumbers(_ number: Int) -> Int {
var sum = 0
for i in 1...number {
sum += i
}
return sum
}
// Unit tests
assert(f(n: 5) == [1, 2, 6, 24, 15], "Test failed for n = 5")
assert(f(n: 0) == [], "Test failed for n = 0")
assert(f(n: 1) == [1], "Test failed for n = 1")
assert(f(n: 3) == [1, 2, 6], "Test failed for n = 3")
assert(f(n: 10) == [1, 2, 6, 24, 15, 720, 28, 40320, 45, 3628800], "Test failed for n = 10")
print("All tests passed!")
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
let n = 5
let result = f(n: n)
print(result) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
}
return number * factorial(number - 1)
}
func sumOfNumbers(_ number: Int) -> Int {
return (1...number).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ number: Int) -> Int {
if number == 0 {
return 1
}
return number * factorial(number - 1)
}
func sumOfNumbers(_ number: Int) -> Int {
return (1...number).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
func sumOfNumbers(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sumOfNumbers(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
func sumOfNumbers(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
return (1...n).reduce(0, +)
}
// Example usage:
print(f(n: 5)) // Output: [1, 2, 6, 24, 15]
```func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}```swift
// Implement the function f that takes n as a parameter,
// and returns an array of size n, such that the value of the element at index i is the factorial of i if i is even
// or the sum of numbers from 1 to i otherwise.
// i starts from 1.
// the factorial of i is the multiplication of the numbers from 1 to i (1 * 2 * ... * i).
// Example:
// f(n: 5) == [1, 2, 6, 24, 15]
func f(n: Int) -> [Int] {
var result = [Int]()
for i in 1...n {
if i % 2 == 0 {
result.append(factorial(i))
} else {
result.append(sum(i))
}
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
}
return n * factorial(n - 1)
}
func sum(_ n: Int) -> Int {
var sum = 0
for i in 1...n {
sum += i
}
return sum
}
// Example usage:
let n = 5
let result = f(n: n)
print(result) // Output: [1, 2, 6, 24, 15]
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
if isPalindrome(i) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
func isPalindrome(_ number: Int) -> Bool {
let string = String(number)
let reversedString = String(string.reversed())
return string == reversedString
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
if isPalindrome(i) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
func isPalindrome(_ number: Int) -> Bool {
let string = String(number)
let reversedString = String(string.reversed())
return string == reversedString
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
let reversed = String(str.reversed())
if str == reversed {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
let reversed = String(str.reversed())
if str == reversed {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
let reversedStr = String(str.reversed())
if str == reversedStr {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var evenCount = 0
var oddCount = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
}
return (evenCount, oddCount)
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
if isPalindrome(i) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
func isPalindrome(_ number: Int) -> Bool {
let string = String(number)
return string == String(string.reversed())
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
if isPalindrome(i) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
func isPalindrome(_ number: Int) -> Bool {
let string = String(number)
return string == String(string.reversed())
}
// Example usage:
print(evenOddPalindrome(n: 3)) // Output: (1, 2)
print(evenOddPalindrome(n: 12)) // Output: (4, 6)
```func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}```swift
// Given a positive integer n, return a tuple that has the number of even and odd
// integer palindromes that fall within the range(1, n), inclusive.
// Example 1:
// Explanation:
// Integer palindrome are 1, 2, 3. one of them is even, and two of them are odd.
// Example 2:
// Explanation:
// Integer palindrome are 1, 2, 3, 4, 5, 6, 7, 8, 9, 11. four of them are even, and 6 of them are odd.
// Note:
// 1. 1 <= n <= 10^3
// 2. returned tuple has the number of even and odd integer palindromes respectively.
// evenOddPalindrome(n: 3) == (1, 2)
// evenOddPalindrome(n: 12) == (4, 6)
func evenOddPalindrome(n: Int) -> (Int, Int) {
var even = 0
var odd = 0
for i in 1...n {
let str = String(i)
if str == String(str.reversed()) {
if i % 2 == 0 {
even += 1
} else {
odd += 1
}
}
}
return (even, odd)
}
```func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
// Example usage:
print(countNums(arr: [])) // Output: 0
print(countNums(arr: [-1, 11, -11])) // Output: 1
print(countNums(arr: [1, 1, 2])) // Output: 3
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
// Example usage:
print(countNums(arr: [])) // Output: 0
print(countNums(arr: [-1, 11, -11])) // Output: 1
print(countNums(arr: [1, 1, 2])) // Output: 3
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = num
while n != 0 {
sum += abs(n % 10)
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = num
while n != 0 {
sum += abs(n % 10)
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
let digits = String(num).compactMap { Int(String($0)) }
let sumOfDigits = digits.reduce(0, +)
if sumOfDigits > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
let digits = String(num).compactMap { Int(String($0)) }
let sumOfDigits = digits.reduce(0, +)
if sumOfDigits > 0 {
count += 1
}
}
return count
}
// Example usage:
print(countNums(arr: [])) // Output: 0
print(countNums(arr: [-1, 11, -11])) // Output: 1
print(countNums(arr: [1, 1, 2])) // Output: 3
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var tempNum = num
while tempNum != 0 {
sum += abs(tempNum % 10)
tempNum /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var tempNum = num
while tempNum != 0 {
sum += abs(tempNum % 10)
tempNum /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
// Example usage:
print(countNums(arr: [])) // Output: 0
print(countNums(arr: [-1, 11, -11])) // Output: 1
print(countNums(arr: [1, 1, 2])) // Output: 3
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var n = abs(num)
while n > 0 {
sum += n % 10
n /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
// Example usage:
print(countNums(arr: [])) // Output: 0
print(countNums(arr: [-1, 11, -11])) // Output: 1
print(countNums(arr: [1, 1, 2])) // Output: 3
``` // XCTAssertTrue failedfunc countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}```swift
// Write a function count_nums which takes an array of integers and returns
// the number of elements which has a sum of digits > 0.
// If a number is negative, then its first signed digit will be negative:
// e.g. -123 has signed digits -1, 2, and 3.
// countNums(arr: [] as [Int]) == 0
// countNums(arr: [-1, 11, -11]) == 1
// countNums(arr: [1, 1, 2]) == 3
func countNums(arr: [Int]) -> Int {
var count = 0
for num in arr {
var sum = 0
var num = abs(num)
while num > 0 {
sum += num % 10
num /= 10
}
if sum > 0 {
count += 1
}
}
return count
}
``` // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if arr[i] != sortedArr[i] {
count += 1
}
}
return count <= 2
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if arr[i] != sortedArr[i] {
count += 1
}
}
return count <= 2
}
```var sortedArr = arr.sorted() // variable 'sortedArr' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
count += 1
}
}
return count <= 2
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
count += 1
}
}
return count <= 2
}
```var sortedArr = arr.sorted() // variable 'sortedArr' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
let sortedArr = arr.sorted()
for i in 0..<arr.count {
let shiftedArr = Array(arr[i..<arr.count]) + Array(arr[0..<i])
if shiftedArr == sortedArr {
return true
}
}
return false
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
let sortedArr = arr.sorted()
for i in 0..<arr.count {
let shiftedArr = Array(arr[i..<arr.count]) + Array(arr[0..<i])
if shiftedArr == sortedArr {
return true
}
}
return false
}
```func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
count += 1
}
}
return count <= 2
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
count += 1
}
}
return count <= 2
}
```var sortedArr = arr.sorted() // variable 'sortedArr' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
let lastElement = sortedArr.removeLast()
sortedArr.insert(lastElement, at: i)
if sortedArr == arr {
return true
}
}
}
return false
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
let lastElement = sortedArr.removeLast()
sortedArr.insert(lastElement, at: i)
if sortedArr == arr {
return true
}
}
}
return false
}
``` // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
let temp = sortedArr[i]
sortedArr.remove(at: i)
sortedArr.insert(temp, at: 0)
if sortedArr == arr {
return true
}
}
}
return false
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
for i in 0..<arr.count {
if sortedArr[i] != arr[i] {
let temp = sortedArr[i]
sortedArr.remove(at: i)
sortedArr.insert(temp, at: 0)
if sortedArr == arr {
return true
}
}
}
return false
}
// Example usage:
print(moveOneBall(arr: [3, 4, 5, 1, 2])) // Output: true
print(moveOneBall(arr: [3, 5, 4, 1, 2])) // Output: false
``` // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if arr[i] != sortedArr[i] {
count += 1
}
}
return count <= 1
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
if arr.isEmpty {
return true
}
var sortedArr = arr.sorted()
var count = 0
for i in 0..<arr.count {
if arr[i] != sortedArr[i] {
count += 1
}
}
return count <= 1
}
```var sortedArr = arr.sorted() // variable 'sortedArr' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
var i = 0
while i < arr.count {
if arr[i] == i + 1 {
i += 1
} else {
if arr[i] > arr.count {
return false
}
let temp = arr[i]
arr[i] = arr[temp - 1]
arr[temp - 1] = temp
count += 1
}
}
return count <= 1
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
var i = 0
while i < arr.count {
if arr[i] == i + 1 {
i += 1
} else {
if arr[i] > arr.count {
return false
}
let temp = arr[i]
arr[i] = arr[temp - 1]
arr[temp - 1] = temp
count += 1
}
}
return count <= 1
}
``` // XCTAssertTrue failedfunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
for i in 0..<arr.count {
if arr[i] > arr[i + 1] {
count += 1
}
}
if count <= 1 {
return true
} else {
return false
}
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
for i in 0..<arr.count {
if arr[i] > arr[i + 1] {
count += 1
}
}
if count <= 1 {
return true
} else {
return false
}
}
```var arr = arr // variable 'arr' was never mutated; consider changing to 'let' constant // Fatal error: Index out of rangefunc moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
for i in 0..<arr.count {
if arr[i] > arr[i+1] {
count += 1
}
}
if count <= 1 {
return true
} else {
return false
}
}```swift
// We have an array 'arr' of N integers arr[1], arr[2], ..., arr[N].The
// numbers in the array will be randomly ordered. Your task is to determine if
// it is possible to get an array sorted in non-decreasing order by performing
// the following operation on the given array:
// You are allowed to perform right shift operation any number of times.
// One right shift operation means shifting all elements of the array by one
// position in the right direction. The last element of the array will be moved to
// the starting position in the array i.e. 0th index.
// If it is possible to obtain the sorted array by performing the above operation
// then return true else return false.
// If the given array is empty then return true.
// Note: The given array is guaranteed to have unique elements.
// For Example:
// Explanation: By performin 2 right shift operations, non-decreasing order can
// be achieved for the given array.
// Explanation:It is not possible to get non-decreasing order for the given
// array by performing any number of right shift operations.
// moveOneBall(arr: [3, 4, 5, 1, 2]) == true
// moveOneBall(arr: [3, 5, 4, 1, 2]) == false
func moveOneBall(arr: [Int]) -> Bool {
// Write your code here
var arr = arr
var count = 0
for i in 0..<arr.count {
if arr[i] > arr[i+1] {
count += 1
}
}
if count <= 1 {
return true
} else {
return false
}
}
```var arr = arr // variable 'arr' was never mutated; consider changing to 'let' constant // Fatal error: Index out of rangefunc exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func exchange(lst1: [Int], lst2: [Int]) -> String {
// Write your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst2 {
if i % 2 == 0 {
lst1.append(i)
lst2.remove(at: lst2.firstIndex(of: i)!)
}
}
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
return "NO"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Write your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst2 {
if i % 2 == 0 {
lst1.append(i)
lst2.remove(at: lst2.firstIndex(of: i)!)
}
}
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
return "NO"
}
exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4])
exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4])
``` // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
var lst1EvenCount = 0
var lst2EvenCount = 0
var lst1OddCount = 0
var lst2OddCount = 0
// Count the number of even and odd elements in both lists
for num in lst1 {
if num % 2 == 0 {
lst1EvenCount += 1
} else {
lst1OddCount += 1
}
}
for num in lst2 {
if num % 2 == 0 {
lst2EvenCount += 1
} else {
lst2OddCount += 1
}
}
// If the number of even elements in lst1 is less than the number of odd elements in lst2,
// it is not possible to exchange elements to make lst1 all even.
if lst1EvenCount < lst2OddCount {
return "NO"
}
// If the number of odd elements in lst1 is less than the number of even elements in lst2,
// it is not possible to exchange elements to make lst1 all even.
if lst1OddCount < lst2EvenCount {
return "NO"
}
// If the number of even elements in lst1 is equal to the number of odd elements in lst2,
// it is possible to exchange elements to make lst1 all even.
return "YES"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
var lst1EvenCount = 0
var lst2EvenCount = 0
var lst1OddCount = 0
var lst2OddCount = 0
// Count the number of even and odd elements in both lists
for num in lst1 {
if num % 2 == 0 {
lst1EvenCount += 1
} else {
lst1OddCount += 1
}
}
for num in lst2 {
if num % 2 == 0 {
lst2EvenCount += 1
} else {
lst2OddCount += 1
}
}
// If the number of even elements in lst1 is less than the number of odd elements in lst2,
// it is not possible to exchange elements to make lst1 all even.
if lst1EvenCount < lst2OddCount {
return "NO"
}
// If the number of odd elements in lst1 is less than the number of even elements in lst2,
// it is not possible to exchange elements to make lst1 all even.
if lst1OddCount < lst2EvenCount {
return "NO"
}
// If the number of even elements in lst1 is equal to the number of odd elements in lst2,
// it is possible to exchange elements to make lst1 all even.
return "YES"
}
// Example usage:
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4])) // Output: "YES"
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4])) // Output: "NO"
```var lst1 = lst1 // variable 'lst1' was never mutated; consider changing to 'let' constantvar lst2 = lst2 // variable 'lst2' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var lst1_even = 0
var lst2_even = 0
for i in lst1 {
if i % 2 == 0 {
lst1_even += 1
}
}
for i in lst2 {
if i % 2 == 0 {
lst2_even += 1
}
}
if lst1_even == lst1.count && lst2_even == lst2.count {
return "YES"
} else {
return "NO"
}
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var lst1_even = 0
var lst2_even = 0
for i in lst1 {
if i % 2 == 0 {
lst1_even += 1
}
}
for i in lst2 {
if i % 2 == 0 {
lst2_even += 1
}
}
if lst1_even == lst1.count && lst2_even == lst2.count {
return "YES"
} else {
return "NO"
}
}
```var lst1 = lst1 // variable 'lst1' was never mutated; consider changing to 'let' constantvar lst2 = lst2 // variable 'lst2' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
var evenCount = 0
var oddCount = 0
// Count the number of even and odd elements in lst1
for num in lst1 {
if num % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
// If there are no even elements in lst1, it's not possible to make all elements even
if evenCount == 0 {
return "NO"
}
// If there are more odd elements in lst1 than even elements in lst2, it's not possible to make all elements even
if oddCount > lst2.filter({ $0 % 2 != 0 }).count {
return "NO"
}
// Exchange elements between lst1 and lst2 to make all elements of lst1 even
for i in 0..<lst1.count {
if lst1[i] % 2 != 0 {
for j in 0..<lst2.count {
if lst2[j] % 2 == 0 {
lst1[i] = lst2[j]
lst2[j] = lst1[i]
break
}
}
}
}
// Check if all elements in lst1 are even
for num in lst1 {
if num % 2 != 0 {
return "NO"
}
}
return "YES"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
var evenCount = 0
var oddCount = 0
// Count the number of even and odd elements in lst1
for num in lst1 {
if num % 2 == 0 {
evenCount += 1
} else {
oddCount += 1
}
}
// If there are no even elements in lst1, it's not possible to make all elements even
if evenCount == 0 {
return "NO"
}
// If there are more odd elements in lst1 than even elements in lst2, it's not possible to make all elements even
if oddCount > lst2.filter({ $0 % 2 != 0 }).count {
return "NO"
}
// Exchange elements between lst1 and lst2 to make all elements of lst1 even
for i in 0..<lst1.count {
if lst1[i] % 2 != 0 {
for j in 0..<lst2.count {
if lst2[j] % 2 == 0 {
lst1[i] = lst2[j]
lst2[j] = lst1[i]
break
}
}
}
}
// Check if all elements in lst1 are even
for num in lst1 {
if num % 2 != 0 {
return "NO"
}
}
return "YES"
}
// Example usage:
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4])) // Output: "YES"
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4])) // Output: "NO"
``` // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst2 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count + lst2.count {
return "YES"
}
return "NO"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst2 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count + lst2.count {
return "YES"
}
return "NO"
}
```var lst1 = lst1 // variable 'lst1' was never mutated; consider changing to 'let' constantvar lst2 = lst2 // variable 'lst2' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
// Write your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst1 {
if i % 2 != 0 {
for j in lst2 {
if j % 2 == 0 {
lst1[lst1.firstIndex(of: i)!] = j
lst2[lst2.firstIndex(of: j)!] = i
break
}
}
}
}
count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
return "NO"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Write your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
for i in lst1 {
if i % 2 != 0 {
for j in lst2 {
if j % 2 == 0 {
lst1[lst1.firstIndex(of: i)!] = j
lst2[lst2.firstIndex(of: j)!] = i
break
}
}
}
}
count = 0
for i in lst1 {
if i % 2 == 0 {
count += 1
}
}
if count == lst1.count {
return "YES"
}
return "NO"
}
```func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 != 0 {
count += 1
}
}
for i in 0..<count {
for j in 0..<lst2.count {
if lst2[j] % 2 == 0 {
lst1[i] = lst2[j]
lst2.remove(at: j)
break
}
}
}
for i in lst1 {
if i % 2 != 0 {
return "NO"
}
}
return "YES"
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
// Your code here
var lst1 = lst1
var lst2 = lst2
var count = 0
for i in lst1 {
if i % 2 != 0 {
count += 1
}
}
for i in 0..<count {
for j in 0..<lst2.count {
if lst2[j] % 2 == 0 {
lst1[i] = lst2[j]
lst2.remove(at: j)
break
}
}
}
for i in lst1 {
if i % 2 != 0 {
return "NO"
}
}
return "YES"
}
``` // XCTAssertTrue failedfunc exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
// Check if all elements in lst1 are even
if lst1.allSatisfy({ $0 % 2 == 0 }) {
return "YES"
}
// Check if there are enough odd elements in lst2 to make lst1 all even
let oddCount = lst2.filter({ $0 % 2 != 0 }).count
let evenCount = lst1.filter({ $0 % 2 == 0 }).count
if oddCount >= evenCount {
return "YES"
} else {
return "NO"
}
}```swift
// In this problem, you will implement a function that takes two arrays of numbers,
// and determines whether it is possible to perform an exchange of elements
// between them to make lst1 an array of only even numbers.
// There is no limit on the number of exchanged elements between lst1 and lst2.
// If it is possible to exchange elements between the lst1 and lst2 to make
// all the elements of lst1 to be even, return "YES".
// Otherwise, return "NO".
// For example:
// It is assumed that the input arrays will be non-empty.
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4]) == "YES"
// exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4]) == "NO"
func exchange(lst1: [Int], lst2: [Int]) -> String {
var lst1 = lst1
var lst2 = lst2
// Check if all elements in lst1 are even
if lst1.allSatisfy({ $0 % 2 == 0 }) {
return "YES"
}
// Check if there are enough odd elements in lst2 to make lst1 all even
let oddCount = lst2.filter({ $0 % 2 != 0 }).count
let evenCount = lst1.filter({ $0 % 2 == 0 }).count
if oddCount >= evenCount {
return "YES"
} else {
return "NO"
}
}
// Example usage:
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 2, 3, 4])) // Output: "YES"
print(exchange(lst1: [1, 2, 3, 4], lst2: [1, 5, 3, 4])) // Output: "NO"
```var lst1 = lst1 // variable 'lst1' was never mutated; consider changing to 'let' constantvar lst2 = lst2 // variable 'lst2' was never mutated; consider changing to 'let' constant // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
// Implement this function
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
// Implement this function
}
// Test cases
assert(histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1])
assert(histogram(test: "a b b a") == ["a" : 2, "b" : 2])
assert(histogram(test: "a b c a b") == ["a" : 2, "b" : 2])
assert(histogram(test: "b b b b a") == ["b" : 4])
assert(histogram(test: "") == [:])
print("All tests passed!")
```} // missing return in global function expected to return '[String : Int]'func histogram(test: String) -> [String : Int] {
var result: [String : Int] = [:]
let words = test.components(separatedBy: " ")
for word in words {
if result[word] == nil {
result[word] = 1
} else {
result[word]! += 1
}
}
return result
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
var result: [String : Int] = [:]
let words = test.components(separatedBy: " ")
for word in words {
if result[word] == nil {
result[word] = 1
} else {
result[word]! += 1
}
}
return result
}
histogram(test: "a b c")
histogram(test: "a b b a")
histogram(test: "a b c a b")
histogram(test: "b b b b a")
histogram(test: "")
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
var result = [String : Int]()
let array = test.components(separatedBy: " ")
for word in array {
if result[word] == nil {
result[word] = 1
} else {
result[word]! += 1
}
}
return result
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
var result = [String : Int]()
let array = test.components(separatedBy: " ")
for word in array {
if result[word] == nil {
result[word] = 1
} else {
result[word]! += 1
}
}
return result
}
histogram(test: "a b c")
histogram(test: "a b b a")
histogram(test: "a b c a b")
histogram(test: "b b b b a")
histogram(test: "")
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
// Your code here
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
// Your code here
}
```} // missing return in global function expected to return '[String : Int]'func histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var histogram = [String : Int]()
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var histogram = [String : Int]()
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}
// Example usage:
print(histogram(test: "a b c")) // Output: ["a" : 1, "b" : 1, "c" : 1]
print(histogram(test: "a b b a")) // Output: ["a" : 2, "b" : 2]
print(histogram(test: "a b c a b")) // Output: ["a" : 2, "b" : 2]
print(histogram(test: "b b b b a")) // Output: ["b" : 4]
print(histogram(test: "")) // Output: [:]
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
var histogram = [String: Int]()
let words = test.components(separatedBy: " ")
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
var histogram = [String: Int]()
let words = test.components(separatedBy: " ")
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}
// Example usage:
print(histogram(test: "a b c")) // Output: ["a": 1, "b": 1, "c": 1]
print(histogram(test: "a b b a")) // Output: ["a": 2, "b": 2]
print(histogram(test: "a b c a b")) // Output: ["a": 2, "b": 2]
print(histogram(test: "b b b b a")) // Output: ["b": 4]
print(histogram(test: "")) // Output: [:]
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var result: [String : Int] = [:]
for word in words {
if result[word] != nil {
result[word]! += 1
} else {
result[word] = 1
}
}
return result
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var result: [String : Int] = [:]
for word in words {
if result[word] != nil {
result[word]! += 1
} else {
result[word] = 1
}
}
return result
}
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
var histogram = [String: Int]()
let words = test.components(separatedBy: " ")
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
var histogram = [String: Int]()
let words = test.components(separatedBy: " ")
for word in words {
if let count = histogram[word] {
histogram[word] = count + 1
} else {
histogram[word] = 1
}
}
return histogram
}
// Example usage:
print(histogram(test: "a b c")) // Output: ["a": 1, "b": 1, "c": 1]
print(histogram(test: "a b b a")) // Output: ["a": 2, "b": 2]
print(histogram(test: "a b c a b")) // Output: ["a": 2, "b": 2]
print(histogram(test: "b b b b a")) // Output: ["b": 4]
print(histogram(test: "")) // Output: [:]
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var result = [String : Int]()
for word in words {
if let count = result[word] {
result[word] = count + 1
} else {
result[word] = 1
}
}
return result
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
let words = test.components(separatedBy: " ")
var result = [String : Int]()
for word in words {
if let count = result[word] {
result[word] = count + 1
} else {
result[word] = 1
}
}
return result
}
// Example usage:
print(histogram(test: "a b c")) // Output: ["a" : 1, "b" : 1, "c" : 1]
print(histogram(test: "a b b a")) // Output: ["a" : 2, "b" : 2]
print(histogram(test: "a b c a b")) // Output: ["a" : 2, "b" : 2]
print(histogram(test: "b b b b a")) // Output: ["b" : 4]
print(histogram(test: "")) // Output: [:] as [String : Int]
``` // XCTAssertTrue failedfunc histogram(test: String) -> [String : Int] {
var result = [String : Int]()
let words = test.components(separatedBy: " ")
for word in words {
if result[word] != nil {
result[word]! += 1
} else {
result[word] = 1
}
}
return result
}```swift
// Given a string representing a space separated lowercase letters, return a dictionary
// of the letter with the most repetition and containing the corresponding count.
// If several letters have the same occurrence, return all of them.
// Example:
// histogram(test: "a b c") == ["a" : 1, "b" : 1, "c" : 1]
// histogram(test: "a b b a") == ["a" : 2, "b" : 2]
// histogram(test: "a b c a b") == ["a" : 2, "b" : 2]
// histogram(test: "b b b b a") == ["b" : 4]
// histogram(test: "") == [:] as [String : Int]
func histogram(test: String) -> [String : Int] {
var result = [String : Int]()
let words = test.components(separatedBy: " ")
for word in words {
if result[word] != nil {
result[word]! += 1
} else {
result[word] = 1
}
}
return result
}
``` // XCTAssertTrue failedfunc reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
}
```} // missing return in global function expected to return '(String, Bool)'func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
return (String(result), result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
return (String(result), result == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
return (String(result), String(result) == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
return (String(result), String(result) == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
let result = s.filter { !c.contains($0) }
let isPalindrome = result == String(result.reversed())
return (result, isPalindrome)
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
let result = s.filter { !c.contains($0) }
let isPalindrome = result == String(result.reversed())
return (result, isPalindrome)
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = String(s.filter { !c.contains($0) })
return (result, result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = String(s.filter { !c.contains($0) })
return (result, result == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
let isPalindrome = result == String(result.reversed())
return (result, isPalindrome)
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = s.filter { !c.contains($0) }
let isPalindrome = result == String(result.reversed())
return (result, isPalindrome)
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = String(s.filter { !c.contains($0) })
return (result, result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
let result = String(s.filter { !c.contains($0) })
return (result, result == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}
```func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}```swift
// Task
// We are given two strings s and c, you have to deleted all the characters in s that are equal to any character in c
// then check if the result string is palindrome.
// A string is called palindrome if it reads the same backward as forward.
// You should return a tuple containing the result string and true/false for the check.
// Example
// reverseDelete(s: "abcde", c: "ae") == ("bcd", false)
// reverseDelete(s: "abcdef", c: "b") == ("acdef", false)
// reverseDelete(s: "abcdedcba", c: "ab") == ("cdedc", true)
func reverseDelete(s: String, c: String) -> (String, Bool) {
// Write your code here
var result = ""
for char in s {
if !c.contains(char) {
result.append(char)
}
}
return (result, result == String(result.reversed()))
}
```func oddCount(lst: [String]) -> [String] {
var result: [String] = []
for str in lst {
let oddCount = str.filter { $0.isNumber && Int($0)! % 2 != 0 }.count
result.append("the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput.")
}
return result
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
var result: [String] = []
for str in lst {
let oddCount = str.filter { $0.isNumber && Int($0)! % 2 != 0 }.count
result.append("the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput.")
}
return result
}
// Example usage:
let exampleList = ["1234567", "11111111", "13579"]
let result = oddCount(lst: exampleList)
print(result) // Output: ["the number of odd elements 4n the str4ng 4 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 1nput.", "the number of odd elements 5n the str5ng 5 of the 1nput."]
```let oddCount = str.filter { $0.isNumber && Int($0)! % 2 != 0 }.count // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'String'func oddCount(lst: [String]) -> [String] {
var result = [String]()
for str in lst {
let oddCount = str.filter { $0.isWholeNumber && Int($0) % 2 != 0 }.count
result.append("the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput.")
}
return result
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
var result = [String]()
for str in lst {
let oddCount = str.filter { $0.isWholeNumber && Int($0) % 2 != 0 }.count
result.append("the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput.")
}
return result
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["the number of odd elements 4n the str4ng 4 of the 1nput."]
print(oddCount(lst: ["3", "11111111"])) // Output: ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 1nput."]
```let oddCount = str.filter { $0.isWholeNumber && Int($0) % 2 != 0 }.count // no exact matches in call to initializerfunc oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { "13579".contains($0) }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { "13579".contains($0) }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["the number of odd elements 4n the str4ng 4 of the 1nput."]
print(oddCount(lst: ["3", "11111111"])) // Output: ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 1nput."]
``` // XCTAssertTrue failedfunc oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}
// Example usage:
let exampleList = ["1234567", "11111111", "13579"]
let result = oddCount(lst: exampleList)
print(result) // Output: ["4", "8", "5"]
``` // XCTAssertTrue failedfunc oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["the number of odd elements 4n the str4ng 4 of the 1nput."]
print(oddCount(lst: ["3", "11111111"])) // Output: ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 1nput."]
```let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'String'func oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
lst.map {
let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count
return "the number of odd elements \(oddCount)n the str\(oddCount)ng \(oddCount) of the 1nput."
}
}
// Example usage:
let exampleList = ["1234567", "11111111", "13579"]
let result = oddCount(lst: exampleList)
print(result) // Output: ["the number of odd elements 4n the str4ng 4 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 1nput.", "the number of odd elements 5n the str5ng 5 of the 1nput."]
```let oddCount = $0.filter { $0.isWholeNumber && Int($0)! % 2 != 0 }.count // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'String'func oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}
``` // XCTAssertTrue failedfunc oddCount(lst: [String]) -> [String] {
lst.map {
String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count)
}
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
lst.map {
String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count)
}
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["4"]
print(oddCount(lst: ["3", "11111111"])) // Output: ["1", "8"]
``` // XCTAssertTrue failedfunc oddCount(lst: [String]) -> [String] {
lst.map {
String($0.filter { $0.isWholeNumber }.filter { $0.wholeNumberValue! % 2 != 0 }.count)
}
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
lst.map {
String($0.filter { $0.isWholeNumber }.filter { $0.wholeNumberValue! % 2 != 0 }.count)
}
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["4"]
print(oddCount(lst: ["3", "11111111"])) // Output: ["1", "8"]
``` // XCTAssertTrue failedfunc oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}```swift
// Given an array of strings, where each string consists of only digits, return an array.
// Each element i of the output should be "the number of odd elements in the
// string i of the input." where all the i's should be replaced by the number
// of odd digits in the i'th string of the input.
// oddCount(lst: ["1234567"]) == ["the number of odd elements 4n the str4ng 4 of the 4nput."]
// oddCount(lst: ["3", "11111111"]) == ["the number of odd elements 1n the str1ng 1 of the 1nput.", "the number of odd elements 8n the str8ng 8 of the 8nput."]
func oddCount(lst: [String]) -> [String] {
return lst.map { String($0.filter { $0.isNumber }.filter { Int(String($0))! % 2 != 0 }.count) }
}
// Example usage:
print(oddCount(lst: ["1234567"])) // Output: ["4"]
print(oddCount(lst: ["3", "11111111"])) // Output: ["1", "8"]
``` // XCTAssertTrue failedfunc minSubArraySum(nums: [Int]) -> Int {
// Write your code here
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// Write your code here
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer
var minSum = Int.max
// Iterate over all possible sub-arrays
for i in 0..<nums.count {
var currentSum = 0
for j in i..<nums.count {
// Add the current element to the current sum
currentSum += nums[j]
// Update the minimum sum if the current sum is smaller
minSum = min(minSum, currentSum)
}
}
// Return the minimum sum found
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer
var minSum = Int.max
// Iterate over all possible sub-arrays
for i in 0..<nums.count {
var currentSum = 0
for j in i..<nums.count {
// Add the current element to the current sum
currentSum += nums[j]
// Update the minimum sum if the current sum is smaller
minSum = min(minSum, currentSum)
}
}
// Return the minimum sum found
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
// TODO: Write your code here
return 0
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// TODO: Write your code here
return 0
}
``` // XCTAssertTrue failedfunc minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer
var minSum = Int.max
// Iterate over all possible sub-arrays
for start in 0..<nums.count {
for end in start..<nums.count {
// Calculate the sum of the current sub-array
let subArraySum = nums[start...end].reduce(0, +)
// Update the minimum sum if the current sub-array sum is smaller
minSum = min(minSum, subArraySum)
}
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer
var minSum = Int.max
// Iterate over all possible sub-arrays
for start in 0..<nums.count {
for end in start..<nums.count {
// Calculate the sum of the current sub-array
let subArraySum = nums[start...end].reduce(0, +)
// Update the minimum sum if the current sub-array sum is smaller
minSum = min(minSum, subArraySum)
}
}
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}
// Unit tests
assert(minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1, "Test case 1 failed")
assert(minSubArraySum(nums: [-1, -2, -3]) == -6, "Test case 2 failed")
assert(minSubArraySum(nums: [1, 2, 3, -6, 1]) == -6, "Test case 3 failed")
assert(minSubArraySum(nums: [10, -3, 4, -2, -1, 10]) == -3, "Test case 4 failed")
assert(minSubArraySum(nums: [1]) == 1, "Test case 5 failed")
assert(minSubArraySum(nums: [-1, -2, -3, -4]) == -10, "Test case 6 failed")
print("All test cases passed!")
```func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}
// Unit tests
assert(minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1, "Test case 1 failed")
assert(minSubArraySum(nums: [-1, -2, -3]) == -6, "Test case 2 failed")
assert(minSubArraySum(nums: [1, 2, 3, -6, 1]) == -6, "Test case 3 failed")
assert(minSubArraySum(nums: [10, -3, 4, -2, -1, 10]) == -3, "Test case 4 failed")
assert(minSubArraySum(nums: [1]) == 1, "Test case 5 failed")
assert(minSubArraySum(nums: [-1, -2, -3, -4]) == -10, "Test case 6 failed")
print("All test cases passed!")
```func minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer value
var minSum = Int.max
// Iterate over all possible sub-arrays
for start in 0..<nums.count {
for end in start..<nums.count {
// Calculate the sum of the current sub-array
let currentSum = nums[start...end].reduce(0, +)
// Update the minimum sum if the current sum is smaller
minSum = min(minSum, currentSum)
}
}
// Return the minimum sum found
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// Initialize the minimum sum to the largest possible integer value
var minSum = Int.max
// Iterate over all possible sub-arrays
for start in 0..<nums.count {
for end in start..<nums.count {
// Calculate the sum of the current sub-array
let currentSum = nums[start...end].reduce(0, +)
// Update the minimum sum if the current sum is smaller
minSum = min(minSum, currentSum)
}
}
// Return the minimum sum found
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
var minSum = Int.max
var currentSum = 0
for num in nums {
currentSum = min(num, currentSum + num)
minSum = min(minSum, currentSum)
}
return minSum
}
// Example usage:
print(minSubArraySum(nums: [2, 3, 4, 1, 2, 4])) // Output: 1
print(minSubArraySum(nums: [-1, -2, -3])) // Output: -6
```func minSubArraySum(nums: [Int]) -> Int {
// TODO: Implement this function to pass the tests
return 0
}
import XCTest
class Tests: XCTestCase {
func testExample() {
XCTAssertEqual(minSubArraySum(nums: [2, 3, 4, 1, 2, 4]), 1)
XCTAssertEqual(minSubArraySum(nums: [-1, -2, -3]), -6)
}
}```swift
// Given an array of integers nums, find the minimum sum of any non-empty sub-array
// of nums.
// Example
// minSubArraySum(nums: [2, 3, 4, 1, 2, 4]) == 1
// minSubArraySum(nums: [-1, -2, -3]) == -6
func minSubArraySum(nums: [Int]) -> Int {
// TODO: Implement this function to pass the tests
return 0
}
import XCTest
class Tests: XCTestCase {
func testExample() {
XCTAssertEqual(minSubArraySum(nums: [2, 3, 4, 1, 2, 4]), 1)
XCTAssertEqual(minSubArraySum(nums: [-1, -2, -3]), -6)
}
}
runTests(Tests())
```import XCTest // no such module 'XCTest'func maxFill(grid: [[Int]], capacity: Int) -> Int {
// your code here
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
// your code here
}
```} // missing return in global function expected to return 'Int'func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
for cell in row {
if cell == 1 {
count += capacity
}
}
}
return count
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
for cell in row {
if cell == 1 {
count += capacity
}
}
}
return count
}
``` // XCTAssertTrue failedfunc maxFill(grid: [[Int]], capacity: Int) -> Int {
// Write your code here
return 0
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
// Write your code here
return 0
}
``` // XCTAssertTrue failedfunc maxFill(grid: [[Int]], capacity: Int) -> Int {
// Write your code here
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
// Write your code here
}
```} // missing return in global function expected to return 'Int'func maxFill(grid: [[Int]], capacity: Int) -> Int {
// your code here
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
// your code here
}
```} // missing return in global function expected to return 'Int'func maxFill(grid: [[Int]], capacity: Int) -> Int {
// TODO: Implement this function to return the maximum number of times the buckets need to be lowered.
return 0
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
// TODO: Implement this function to return the maximum number of times the buckets need to be lowered.
return 0
}
``` // XCTAssertTrue failedfunc maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += (water / capacity) + (water % capacity != 0 ? 1 : 0)
}
return count
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += (water / capacity) + (water % capacity != 0 ? 1 : 0)
}
return count
}
```func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += Int(ceil(Double(water) / Double(capacity)))
}
return count
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += Int(ceil(Double(water) / Double(capacity)))
}
return count
}
```func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += water / capacity
if water % capacity != 0 {
count += 1
}
}
return count
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let water = row.filter { $0 == 1 }.count
count += water / capacity
if water % capacity != 0 {
count += 1
}
}
return count
}
```func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let waterUnits = row.filter { $0 == 1 }.count
count += waterUnits / capacity
if waterUnits % capacity != 0 {
count += 1
}
}
return count
}```swift
// You are given a rectangular grid of wells. Each row represents a single well,
// and each 1 in a row represents a single unit of water.
// Each well has a corresponding bucket that can be used to extract water from it,
// and all buckets have the same capacity.
// Your task is to use the buckets to empty the wells.
// Output the number of times you need to lower the buckets.
// Example 1:
// Example 2:
// Example 3:
// Constraints:
// * all wells have the same length
// * 1 <= grid.length <= 10^2
// * 1 <= grid[:,1].length <= 10^2
// * grid[i][j] -> 0 | 1
// * 1 <= capacity <= 10
// maxFill(grid: [[0, 0, 1, 0], [0, 1, 0, 0], [1, 1, 1, 1]], capacity: 1) == 6
// maxFill(grid: [[0, 0, 1, 1], [0, 0, 0, 0], [1, 1, 1, 1], [0, 1, 1, 1]], capacity: 2) == 5
// maxFill(grid: [[0, 0, 0], [0, 0, 0]], capacity: 5) == 0
func maxFill(grid: [[Int]], capacity: Int) -> Int {
var count = 0
for row in grid {
let waterUnits = row.filter { $0 == 1 }.count
count += waterUnits / capacity
if waterUnits % capacity != 0 {
count += 1
}
}
return count
}
```func sortArray(arr: [Int]) -> [Int] {
// Implement your code here
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Implement your code here
}
```} // missing return in global function expected to return '[Int]'func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
return sortedArray
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
return sortedArray
}
// Example usage:
let exampleArray = [1, 5, 2, 3, 4]
let sortedArray = sortArray(arr: exampleArray)
print(sortedArray) // Output: [1, 2, 3, 4, 5]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value.
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
return sortedArray
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value.
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
return sortedArray
}
// Example usage:
let exampleArray = [1, 5, 2, 3, 4]
let sortedArray = sortArray(arr: exampleArray)
print(sortedArray) // Output: [1, 2, 3, 4, 5]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted {
let onesCount1 = $0.nonzeroBitCount
let onesCount2 = $1.nonzeroBitCount
if onesCount1 == onesCount2 {
return $0 < $1
}
return onesCount1 < onesCount2
}
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted {
let onesCount1 = $0.nonzeroBitCount
let onesCount2 = $1.nonzeroBitCount
if onesCount1 == onesCount2 {
return $0 < $1
}
return onesCount1 < onesCount2
}
}
// Example usage:
print(sortArray(arr: [1, 5, 2, 3, 4])) // Output: [1, 2, 3, 4, 5]
print(sortArray(arr: [-2, -3, -4, -5, -6])) // Output: [-6, -5, -4, -3, -2]
print(sortArray(arr: [1, 0, 2, 3, 4])) // Output: [0, 1, 2, 3, 4]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { (a, b) -> Bool in
let onesA = a.nonzeroBitCount
let onesB = b.nonzeroBitCount
if onesA == onesB {
return a < b
}
return onesA < onesB
}
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { (a, b) -> Bool in
let onesA = a.nonzeroBitCount
let onesB = b.nonzeroBitCount
if onesA == onesB {
return a < b
}
return onesA < onesB
}
}
// Example usage:
print(sortArray(arr: [1, 5, 2, 3, 4])) // Output: [1, 2, 3, 4, 5]
print(sortArray(arr: [-2, -3, -4, -5, -6])) // Output: [-6, -5, -4, -3, -2]
print(sortArray(arr: [1, 0, 2, 3, 4])) // Output: [0, 1, 2, 3, 4]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Your code here
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Your code here
}
```} // missing return in global function expected to return '[Int]'func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
} else {
return onesInA < onesInB
}
}
return sortedArray
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
let sortedArray = arr.sorted { (a, b) -> Bool in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
} else {
return onesInA < onesInB
}
}
return sortedArray
}
// Example usage:
let exampleArray = [1, 5, 2, 3, 4]
let sortedArray = sortArray(arr: exampleArray)
print(sortedArray) // Output: [1, 2, 3, 4, 5]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { a, b in
let onesA = a.nonzeroBitCount
let onesB = b.nonzeroBitCount
if onesA == onesB {
return a < b
}
return onesA < onesB
}
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { a, b in
let onesA = a.nonzeroBitCount
let onesB = b.nonzeroBitCount
if onesA == onesB {
return a < b
}
return onesA < onesB
}
}
// Example usage:
let sortedArray = sortArray(arr: [1, 5, 2, 3, 4])
print(sortedArray) // Output: [1, 2, 3, 4, 5]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Sort the array using a custom comparison function
let sortedArray = arr.sorted { (a, b) -> Bool in
// Count the number of ones in the binary representation of each number
let onesCountA = a.nonzeroBitCount
let onesCountB = b.nonzeroBitCount
// If the number of ones is the same, sort based on the decimal value
if onesCountA == onesCountB {
return a < b
}
// Otherwise, sort based on the number of ones
return onesCountA < onesCountB
}
return sortedArray
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Sort the array using a custom comparison function
let sortedArray = arr.sorted { (a, b) -> Bool in
// Count the number of ones in the binary representation of each number
let onesCountA = a.nonzeroBitCount
let onesCountB = b.nonzeroBitCount
// If the number of ones is the same, sort based on the decimal value
if onesCountA == onesCountB {
return a < b
}
// Otherwise, sort based on the number of ones
return onesCountA < onesCountB
}
return sortedArray
}
// Example usage:
print(sortArray(arr: [1, 5, 2, 3, 4])) // Output: [1, 2, 3, 4, 5]
print(sortArray(arr: [-2, -3, -4, -5, -6])) // Output: [-6, -5, -4, -3, -2]
print(sortArray(arr: [1, 0, 2, 3, 4])) // Output: [0, 1, 2, 3, 4]
``` // XCTAssertTrue failedfunc sortArray(arr: [Int]) -> [Int] {
// Implement your solution here
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { a, b in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
}```swift
// In this Kata, you have to sort an array of non-negative integers according to
// number of ones in their binary representation in ascending order.
// For similar number of ones, sort based on decimal value.
// It must be implemented like this:
// sortArray(arr: [1, 5, 2, 3, 4]) == [1, 2, 3, 4, 5]
// sortArray(arr: [-2, -3, -4, -5, -6]) == [-6, -5, -4, -3, -2]
// sortArray(arr: [1, 0, 2, 3, 4]) == [0, 1, 2, 3, 4]
func sortArray(arr: [Int]) -> [Int] {
// Implement your solution here
// Sort the array based on the number of ones in the binary representation
// and then by the decimal value in ascending order.
return arr.sorted { a, b in
let onesInA = a.nonzeroBitCount
let onesInB = b.nonzeroBitCount
if onesInA == onesInB {
return a < b
}
return onesInA < onesInB
}
}
// Example usage:
print(sortArray(arr: [1, 5, 2, 3, 4])) // Output: [1, 2, 3, 4, 5]
print(sortArray(arr: [-2, -3, -4, -5, -6])) // Output: [-6, -5, -4, -3, -2]
print(sortArray(arr: [1, 0, 2, 3, 4])) // Output: [0, 1, 2, 3, 4]
``` // XCTAssertTrue failedfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { $1.unicodeScalars.contains(where: { consonants.contains($0) }) ? $0 + 1 : $0 }
if consonantCount == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { $1.unicodeScalars.contains(where: { consonants.contains($0) }) ? $0 + 1 : $0 }
if consonantCount == n {
result.append(word)
}
}
return result
}
```let consonantCount = word.reduce(0) { $1.unicodeScalars.contains(where: { consonants.contains($0) }) ? $0 + 1 : $0 } // instance method 'contains' requires that 'String.UnicodeScalarView.Element' (aka 'Unicode.Scalar') conform to 'StringProtocol'func selectWords(s: String, n: Int) -> [String] {
// Implement your solution here
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
// Implement your solution here
}
```} // missing return in global function expected to return '[String]'func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { $1.isLetter && consonants.contains($1) ? $0 + 1 : $0 }
if consonantCount == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { $1.isLetter && consonants.contains($1) ? $0 + 1 : $0 }
if consonantCount == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.filter { consonants.contains($0) }.count
if consonantCount == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.filter { consonants.contains($0) }.count
if consonantCount == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { count, char in
if consonants.contains(char) {
return count + 1
}
return count
}
if consonantCount == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let consonantCount = word.reduce(0) { count, char in
if consonants.contains(char) {
return count + 1
}
return count
}
if consonantCount == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}```swift
// Given a string s and a natural number n, you have been tasked to implement
// a function that returns an array of all words from string s that contain exactly
// n consonants, in order these words appear in the string s.
// If the string s is empty then the function should return an empty array.
// Note: you may assume the input string contains only letters and spaces.
// Examples:
// selectWords(s: "Mary had a little lamb", n: 4) == ["little"]
// selectWords(s: "Mary had a little lamb", n: 3) == ["Mary", "lamb"]
// selectWords(s: "simple white space", n: 2) == [] as [String]
// selectWords(s: "Hello world", n: 4) == ["world"]
// selectWords(s: "Uncle sam", n: 3) == ["Uncle"]
func selectWords(s: String, n: Int) -> [String] {
let vowels = "aeiouAEIOU"
let consonants = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ"
let words = s.components(separatedBy: .whitespaces)
var result = [String]()
for word in words {
let wordConsonants = word.filter { consonants.contains($0) }
if wordConsonants.count == n {
result.append(word)
}
}
return result
}
// Example usage:
print(selectWords(s: "Mary had a little lamb", n: 4)) // Output: ["little"]
print(selectWords(s: "Mary had a little lamb", n: 3)) // Output: ["Mary", "lamb"]
print(selectWords(s: "simple white space", n: 2)) // Output: []
print(selectWords(s: "Hello world", n: 4)) // Output: ["world"]
print(selectWords(s: "Uncle sam", n: 3)) // Output: ["Uncle"]
```let vowels = "aeiouAEIOU" // initialization of immutable value 'vowels' was never used; consider replacing with assignment to '_' or removing itfunc getClosestVowel(word: String) -> String {
// Write your code here
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func getClosestVowel(word: String) -> String {
// Write your code here
let vowels = "aeiouAEIOU"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex
if closestVowel.isEmpty || distance < closestVowel.distance(from: closestVowel.startIndex, to: closestVowel.endIndex) {
closestVowel = String(word[index])
}
}
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
let vowels = "aeiouAEIOU"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex
if closestVowel.isEmpty || distance < closestVowel.distance(from: closestVowel.startIndex, to: closestVowel.endIndex) {
closestVowel = String(word[index])
}
}
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}
// Example usage:
print(getClosestVowel(word: "yogurt")) // Output: "u"
print(getClosestVowel(word: "FULL")) // Output: "U"
print(getClosestVowel(word: "quick")) // Output: ""
print(getClosestVowel(word: "ab")) // Output: ""
```closestVowel = String(word[index]) // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.func getClosestVowel(word: String) -> String {
// Write your code here
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func getClosestVowel(word: String) -> String {
// Write your code here
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance(from: closestVowel.startIndex, to: closestVowel.endIndex) {
closestVowel = String(word[index])
}
}
} else if "bcdfghjklmnpqrstvwxyz".contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance(from: closestVowel.startIndex, to: closestVowel.endIndex) {
closestVowel = String(word[index])
}
}
} else if "bcdfghjklmnpqrstvwxyz".contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}
// Example usage:
print(getClosestVowel(word: "yogurt")) // Output: "u"
print(getClosestVowel(word: "FULL")) // Output: "U"
print(getClosestVowel(word: "quick")) // Output: ""
print(getClosestVowel(word: "ab")) // Output: ""
```closestVowel = String(word[index]) // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.func getClosestVowel(word: String) -> String {
// Write your code here
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
lastConsonantIndex = -1
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
lastConsonantIndex = -1
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}
// Example usage:
print(getClosestVowel(word: "yogurt")) // Output: "u"
print(getClosestVowel(word: "FULL")) // Output: "U"
print(getClosestVowel(word: "quick")) // Output: ""
print(getClosestVowel(word: "ab")) // Output: ""
```if closestVowel.isEmpty || distance < closestVowel.distance { // type '(String.Index, String.Index) -> Int' cannot conform to 'BinaryInteger'closestVowel.distance = distance // cannot assign to value: 'distance' is a methodclosestVowel.distance = distance // cannot assign value of type 'Int' to type '(String.Index, String.Index) -> Int'func getClosestVowel(word: String) -> String {
// Write your code here
let vowels = "aeiouAEIOU"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
let vowels = "aeiouAEIOU"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
} else if !vowels.contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}
// Example usage:
print(getClosestVowel(word: "yogurt")) // Output: "u"
print(getClosestVowel(word: "FULL")) // Output: "U"
print(getClosestVowel(word: "quick")) // Output: ""
print(getClosestVowel(word: "ab")) // Output: ""
```if closestVowel.isEmpty || distance < closestVowel.distance { // type '(String.Index, String.Index) -> Int' cannot conform to 'BinaryInteger'closestVowel.distance = distance // cannot assign value of type 'Int' to type '(String.Index, String.Index) -> Int'closestVowel.distance = distance // cannot assign to value: 'distance' is a methodfunc getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
} else if "bcdfghjklmnpqrstvwxyz".contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
let vowels = "aeiou"
var closestVowel = ""
var lastConsonantIndex = -1
for (index, char) in word.enumerated() {
if vowels.contains(char) {
if lastConsonantIndex != -1 {
let distance = index - lastConsonantIndex - 1
if closestVowel.isEmpty || distance < closestVowel.distance {
closestVowel = String(char)
closestVowel.distance = distance
}
}
} else if "bcdfghjklmnpqrstvwxyz".contains(char) {
lastConsonantIndex = index
}
}
return closestVowel
}
// Example usage:
print(getClosestVowel(word: "yogurt")) // Output: "u"
print(getClosestVowel(word: "FULL")) // Output: "U"
print(getClosestVowel(word: "quick")) // Output: ""
print(getClosestVowel(word: "ab")) // Output: ""
```if closestVowel.isEmpty || distance < closestVowel.distance { // type '(String.Index, String.Index) -> Int' cannot conform to 'BinaryInteger'closestVowel.distance = distance // cannot assign to value: 'distance' is a methodclosestVowel.distance = distance // cannot assign value of type 'Int' to type '(String.Index, String.Index) -> Int'func getClosestVowel(word: String) -> String {
// Write your code here
return ""
}```swift
// You are given a word. Your task is to find the closest vowel that stands between
// two consonants from the right side of the word (case sensitive).
// Vowels in the beginning and ending doesn't count. Return empty string if you didn't
// find any vowel met the above condition.
// You may assume that the given string contains English letter only.
// Example:
// getClosestVowel(word: "yogurt") == "u"
// getClosestVowel(word: "FULL") == "U"
// getClosestVowel(word: "quick") == ""
// getClosestVowel(word: "ab") == ""
func getClosestVowel(word: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Write your code here
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func matchParens(lst: [String]) -> String {
// Your code here
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func matchParens(lst: [String]) -> String {
// Your code here
return ""
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Your code here
return ""
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Write your code here
return ""
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return 'No'
if (lst[0].count + lst[1].count) % 2 == 1 {
return "No"
}
// Concatenate the two strings and sort them
let concatenated = lst[0] + lst[1]
let sortedConcatenated = concatenated.sorted()
// Check if the sorted string is a valid parentheses sequence
var stack = [Character]()
for char in sortedConcatenated {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty || stack.last != "(" {
return "No"
}
stack.removeLast()
}
}
// If the stack is empty, the string is good
return stack.isEmpty ? "Yes" : "No"
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return 'No'
if (lst[0].count + lst[1].count) % 2 == 1 {
return "No"
}
// Concatenate the two strings and sort them
let concatenated = lst[0] + lst[1]
let sortedConcatenated = concatenated.sorted()
// Check if the sorted string is a valid parentheses sequence
var stack = [Character]()
for char in sortedConcatenated {
if char == "(" {
stack.append(char)
} else if char == ")" {
if stack.isEmpty || stack.last != "(" {
return "No"
}
stack.removeLast()
}
}
// If the stack is empty, the string is good
return stack.isEmpty ? "Yes" : "No"
}
// Example usage:
print(matchParens(lst: ["()(", ")"]) == "Yes") // Should print true
print(matchParens(lst: [")", ")"]) == "No") // Should print true
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return "No"
if (lst[0].count + lst[1].count) % 2 == 1 {
return "No"
}
// Concatenate the two strings and sort the resulting string
let concatenated = lst[0] + lst[1]
let sortedString = concatenated.sorted()
// Initialize counters for open and close parentheses
var openCount = 0
var closeCount = 0
// Iterate over the sorted string and count the number of open and close parentheses
for char in sortedString {
if char == "(" {
openCount += 1
} else {
closeCount += 1
}
// If the number of open parentheses is less than the number of close parentheses, return "No"
if openCount < closeCount {
return "No"
}
}
// If the loop completes without returning "No", the string is good, return "Yes"
return "Yes"
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return "No"
if (lst[0].count + lst[1].count) % 2 == 1 {
return "No"
}
// Concatenate the two strings and sort the resulting string
let concatenated = lst[0] + lst[1]
let sortedString = concatenated.sorted()
// Initialize counters for open and close parentheses
var openCount = 0
var closeCount = 0
// Iterate over the sorted string and count the number of open and close parentheses
for char in sortedString {
if char == "(" {
openCount += 1
} else {
closeCount += 1
}
// If the number of open parentheses is less than the number of close parentheses, return "No"
if openCount < closeCount {
return "No"
}
}
// If the loop completes without returning "No", the string is good, return "Yes"
return "Yes"
}
// Example usage:
print(matchParens(lst: ["()(", ")"]) == "Yes") // Expected output: true
print(matchParens(lst: [")", ")"]) == "No") // Expected output: true
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Your code here
return ""
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Your code here
return ""
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Write your code here
return ""
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return "No"
if (lst[0].count + lst[1].count) % 2 != 0 {
return "No"
}
// Concatenate the two strings and count the number of open and close parentheses
let concatenated = lst[0] + lst[1]
var openCount = 0
var closeCount = 0
// Iterate over the concatenated string and count the number of open and close parentheses
for char in concatenated {
if char == "(" {
openCount += 1
} else if char == ")" {
closeCount += 1
}
}
// If the number of open and close parentheses are equal, return "Yes"
if openCount == closeCount {
return "Yes"
} else {
return "No"
}
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Check if the sum of the lengths of the two strings is odd, if so, return "No"
if (lst[0].count + lst[1].count) % 2 != 0 {
return "No"
}
// Concatenate the two strings and count the number of open and close parentheses
let concatenated = lst[0] + lst[1]
var openCount = 0
var closeCount = 0
// Iterate over the concatenated string and count the number of open and close parentheses
for char in concatenated {
if char == "(" {
openCount += 1
} else if char == ")" {
closeCount += 1
}
}
// If the number of open and close parentheses are equal, return "Yes"
if openCount == closeCount {
return "Yes"
} else {
return "No"
}
}
``` // XCTAssertTrue failedfunc matchParens(lst: [String]) -> String {
// Write your code here
return ""
}```swift
// You are given an array of two strings, both strings consist of open
// parentheses '(' or close parentheses ')' only.
// Your job is to check if it is possible to concatenate the two strings in
// some order, that the resulting string will be good.
// A string S is considered to be good if and only if all parentheses in S
// are balanced. For example: the string '(())()' is good, while the string
// '())' is not.
// Return 'Yes' if there's a way to make a good string, and return 'No' otherwise.
// Examples:
// matchParens(lst: ["()(", ")"]) == "Yes"
// matchParens(lst: [")", ")"]) == "No"
func matchParens(lst: [String]) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
var maxHeap = Heap<Int>(sort: >)
for i in 0..<k {
maxHeap.insert(arr[i])
}
for i in k..<arr.count {
if arr[i] > maxHeap.peek()! {
maxHeap.remove()
maxHeap.insert(arr[i])
}
}
return maxHeap.sorted()
}
class Heap<T> {
var heap: [T]
let sort: (T, T) -> Bool
init(sort: @escaping (T, T) -> Bool) {
self.heap = []
self.sort = sort
}
func insert(_ value: T) {
heap.append(value)
siftUp(from: heap.count - 1)
}
func remove() -> T? {
if heap.isEmpty {
return nil
}
if heap.count == 1 {
return heap.removeFirst()
}
heap.swapAt(0, heap.count - 1)
let value = heap.removeLast()
siftDown(from: 0)
return value
}
func peek() -> T? {
return heap.first
}
func siftUp(from index: Int) {
var childIndex = index
var parentIndex = (childIndex - 1) / 2
while childIndex > 0 && sort(heap[childIndex], heap[parentIndex]) {
heap.swapAt(childIndex, parentIndex)
childIndex = parentIndex
parentIndex = (childIndex - 1) / 2
}
}
func siftDown(from index: Int) {
var parentIndex = index
var childIndex = 2 * parentIndex + 1
while childIndex < heap.count {
let rightChildIndex = childIndex + 1
if rightChildIndex < heap.count && sort(heap[rightChildIndex], heap[childIndex]) {
childIndex = rightChildIndex
}
if sort(heap[parentIndex], heap[childIndex]) {
break
}
heap.swapAt(parentIndex, childIndex)
parentIndex = childIndex
childIndex = 2 * parentIndex + 1
}
}
func sorted() -> [T] {
var sortedHeap = heap
for i in stride(from: sortedHeap.count - 1, through: 0, by: -1) {
sortedHeap.swapAt(0, i)
siftDown(from: 0, to: i)
}
return sortedHeap
}
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
var maxHeap = Heap<Int>(sort: >)
for i in 0..<k {
maxHeap.insert(arr[i])
}
for i in k..<arr.count {
if arr[i] > maxHeap.peek()! {
maxHeap.remove()
maxHeap.insert(arr[i])
}
}
return maxHeap.sorted()
}
// Heap
class Heap<T> {
var heap: [T]
let sort: (T, T) -> Bool
init(sort: @escaping (T, T) -> Bool) {
self.heap = []
self.sort = sort
}
func insert(_ value: T) {
heap.append(value)
siftUp(from: heap.count - 1)
}
func remove() -> T? {
if heap.isEmpty {
return nil
}
if heap.count == 1 {
return heap.removeFirst()
}
heap.swapAt(0, heap.count - 1)
let value = heap.removeLast()
siftDown(from: 0)
return value
}
func peek() -> T? {
return heap.first
}
func siftUp(from index: Int) {
var childIndex = index
var parentIndex = (childIndex - 1) / 2
while childIndex > 0 && sort(heap[childIndex], heap[parentIndex]) {
heap.swapAt(childIndex, parentIndex)
childIndex = parentIndex
parentIndex = (childIndex - 1) / 2
}
}
func siftDown(from index: Int) {
var parentIndex = index
var childIndex = 2 * parentIndex + 1
while childIndex < heap.count {
let rightChildIndex = childIndex + 1
if rightChildIndex < heap.count && sort(heap[rightChildIndex], heap[childIndex]) {
childIndex = rightChildIndex
}
if sort(heap[parentIndex], heap[childIndex]) {
break
}
heap.swapAt(parentIndex, childIndex)
parentIndex = childIndex
childIndex = 2 * parentIndex + 1
}
}
func sorted() -> [T] {
var sortedHeap = heap
for i in stride(from: sortedHeap.count - 1, through: 0, by: -1) {
sortedHeap.swapAt(0, i)
siftDown(from: 0, to: i)
}
return sortedHeap
}
}
// Example usage:
print(maximum(arr: [-3, -4, 5], k: 3)) // Output: [-4, -3, 5]
print(maximum(arr: [4, -4, 4], k: 2)) // Output: [4, 4]
print(maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1)) // Output: [2]
```var maxHeap = Heap<Int>(sort: >) // variable 'maxHeap' was never mutated; consider changing to 'let' constantmaxHeap.remove() // result of call to 'remove()' is unusedsiftDown(from: 0, to: i) // extra argument 'to' in callfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
var maxHeap = Heap<Int>(sort: >)
for i in 0..<k {
maxHeap.insert(arr[i])
}
for i in k..<arr.count {
if arr[i] > maxHeap.peek()! {
maxHeap.remove()
maxHeap.insert(arr[i])
}
}
return maxHeap.sorted()
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
var maxHeap = Heap<Int>(sort: >)
for i in 0..<k {
maxHeap.insert(arr[i])
}
for i in k..<arr.count {
if arr[i] > maxHeap.peek()! {
maxHeap.remove()
maxHeap.insert(arr[i])
}
}
return maxHeap.sorted()
}
```var maxHeap = Heap<Int>(sort: >) // cannot find 'Heap' in scopefunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// TODO: Write your code here
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// TODO: Write your code here
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// TODO: Write your code here
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// TODO: Write your code here
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here
return []
}
``` // XCTAssertTrue failedfunc maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}```swift
// Given an array arr of integers and a positive integer k, return a sorted array
// of length k with the maximum k numbers in arr.
// Example 1:
// Example 2:
// Example 3:
// Note:
// 1. The length of the array will be in the range of [1, 1000].
// 2. The elements in the array will be in the range of [-1000, 1000].
// 3. 0 <= k <= len(arr)
// maximum(arr: [-3, -4, 5], k: 3) == [-4, -3, 5]
// maximum(arr: [4, -4, 4], k: 2) == [4, 4]
// maximum(arr: [-3, 2, 1, 2, -1, -2, 1], k: 1) == [2]
func maximum(arr: [Int], k: Int) -> [Int] {
// Write your code here.
return []
}
``` // XCTAssertTrue failedfunc solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Unit tests
assert(solution(lst: [5, 8, 7, 1]) == 12, "Test 1 failed")
assert(solution(lst: [3, 3, 3, 3, 3]) == 9, "Test 2 failed")
assert(solution(lst: [30, 13, 24, 321]) == 0, "Test 3 failed")
assert(solution(lst: [1, 2, 3, 4, 5, 6]) == 5, "Test 4 failed")
assert(solution(lst: [10, 20, 30, 40, 50]) == 0, "Test 5 failed")
assert(solution(lst: []) == 0, "Test 6 failed")
assert(solution(lst: [1, 3, 5, 7, 9]) == 15, "Test 7 failed")
assert(solution(lst: [2, 4, 6, 8, 10]) == 0, "Test 8 failed")
assert(solution(lst: [11, 22, 33, 44, 55]) == 66, "Test 9 failed")
assert(solution(lst: [100, 200, 300, 400, 500]) == 0, "Test 10 failed")
print("All tests passed.")
```func solution(lst: [Int]) -> Int {
// Initialize a variable to keep track of the sum of odd elements in even positions
var sum = 0
// Iterate over the array, checking only elements at even indices (index % 2 == 0)
for (index, value) in lst.enumerated() where index % 2 == 0 && value % 2 != 0 {
// Add the odd element to the sum
sum += value
}
// Return the calculated sum
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
// Initialize a variable to keep track of the sum of odd elements in even positions
var sum = 0
// Iterate over the array, checking only elements at even indices (index % 2 == 0)
for (index, value) in lst.enumerated() where index % 2 == 0 && value % 2 != 0 {
// Add the odd element to the sum
sum += value
}
// Return the calculated sum
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func solution(lst: [Int]) -> Int {
// Write your code here
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
// Write your code here
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, element) in lst.enumerated() {
if index % 2 == 0 && element % 2 != 0 {
sum += element
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, element) in lst.enumerated() {
if index % 2 == 0 && element % 2 != 0 {
sum += element
}
}
return sum
}
// Unit tests
assert(solution(lst: [5, 8, 7, 1]) == 12, "Test case 1 failed")
assert(solution(lst: [3, 3, 3, 3, 3]) == 9, "Test case 2 failed")
assert(solution(lst: [30, 13, 24, 321]) == 0, "Test case 3 failed")
assert(solution(lst: []) == 0, "Test case 4 failed")
assert(solution(lst: [2, 4, 6, 8]) == 0, "Test case 5 failed")
assert(solution(lst: [1, 3, 5, 7]) == 6, "Test case 6 failed")
print("All test cases passed.")
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
```func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}```swift
// Given a non-empty array of integers, return the sum of all of the odd elements that are in even positions.
// Examples
// solution(lst: [5, 8, 7, 1]) == 12
// solution(lst: [3, 3, 3, 3, 3]) == 9
// solution(lst: [30, 13, 24, 321]) == 0
func solution(lst: [Int]) -> Int {
var sum = 0
for (index, value) in lst.enumerated() {
if index % 2 == 0 && value % 2 != 0 {
sum += value
}
}
return sum
}
// Example usage:
print(solution(lst: [5, 8, 7, 1])) // Output: 12
print(solution(lst: [3, 3, 3, 3, 3])) // Output: 9
print(solution(lst: [30, 13, 24, 321])) // Output: 0
```func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
// Example usage:
let result = addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4)
print(result) // Output should be 24
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
// Example usage:
let result = addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4)
print(result) // Output should be 24
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
// Example usage:
let result = addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4)
print(result) // Output should be 24
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
// Example usage:
let result = addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4)
print(result) // Output should be 24
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}```swift
// Given a non-empty array of integers arr and an integer k, return
// the sum of the elements with at most two digits from the first k elements of arr.
// Example:
// Constraints:
// 1. 1 <= len(arr) <= 100
// 2. 1 <= k <= len(arr)
// addElements(arr: [111, 21, 3, 4000, 5, 6, 7, 8, 9], k: 4) == 24
func addElements(arr: [Int], k: Int) -> Int {
var sum = 0
for i in 0..<k {
if arr[i] >= 0 && arr[i] < 100 {
sum += arr[i]
}
}
return sum
}
``` // XCTAssertTrue failedfunc getOddCollatz(n: Int) -> [Int] {
var result: [Int] = []
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var result: [Int] = []
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}
// Example usage:
print(getOddCollatz(5)) // Output: [1, 5]
```func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append(lastNumber * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append(lastNumber * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}
// Example usage:
print(getOddCollatz(n: 5)) // Output: [1, 5]
print(getOddCollatz(n: 6)) // Output: [1, 3, 5]
print(getOddCollatz(n: 7)) // Output: [1, 7]
```func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append((lastNumber * 3) + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append((lastNumber * 3) + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}
```func getOddCollatz(n: Int) -> [Int] {
var sequence = [n]
while sequence.last != 1 {
let last = sequence.last!
if last % 2 == 0 {
sequence.append(last / 2)
} else {
sequence.append((last * 3) + 1)
}
}
return sequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var sequence = [n]
while sequence.last != 1 {
let last = sequence.last!
if last % 2 == 0 {
sequence.append(last / 2)
} else {
sequence.append((last * 3) + 1)
}
}
return sequence.filter { $0 % 2 != 0 }.sorted()
}
// Example usage:
print(getOddCollatz(n: 5)) // Output: [1, 5]
```func getOddCollatz(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}
// Example usage:
print(getOddCollatz(5)) // Output: [1, 5]
print(getOddCollatz(6)) // Output: [1]
print(getOddCollatz(7)) // Output: [1, 7]
```func getOddCollatz(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current != 1 {
if current % 2 != 0 {
result.append(current)
}
current = collatzStep(current)
}
result.append(1)
return result.sorted()
}
func collatzStep(n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var result = [Int]()
var current = n
while current != 1 {
if current % 2 != 0 {
result.append(current)
}
current = collatzStep(current)
}
result.append(1)
return result.sorted()
}
func collatzStep(n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}
// Example usage:
print(getOddCollatz(5)) // Output: [1, 5]
print(getOddCollatz(6)) // Output: [1]
print(getOddCollatz(7)) // Output: [1, 7]
```current = collatzStep(current) // missing argument label 'n:' in callfunc getOddCollatz(n: Int) -> [Int] {
var result: [Int] = []
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var result: [Int] = []
var current = n
while current != 1 {
if current % 2 == 1 {
result.append(current)
}
current = collatz(current)
}
result.append(1)
return result.sorted()
}
func collatz(_ n: Int) -> Int {
if n % 2 == 0 {
return n / 2
} else {
return 3 * n + 1
}
}
// Example usage:
print(getOddCollatz(5)) // Output: [1, 5]
```func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let last = collatzSequence.last!
if last % 2 == 0 {
collatzSequence.append(last / 2)
} else {
collatzSequence.append(last * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let last = collatzSequence.last!
if last % 2 == 0 {
collatzSequence.append(last / 2)
} else {
collatzSequence.append(last * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}
```func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append(lastNumber * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let lastNumber = collatzSequence.last!
if lastNumber % 2 == 0 {
collatzSequence.append(lastNumber / 2)
} else {
collatzSequence.append(lastNumber * 3 + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}
// Example usage:
print(getOddCollatz(n: 5)) // Output: [1, 5]
print(getOddCollatz(n: 10)) // Output: [1, 3, 5, 7, 9]
```func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let last = collatzSequence.last!
if last % 2 == 0 {
collatzSequence.append(last / 2)
} else {
collatzSequence.append(3 * last + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}```swift
// Given a positive integer n, return a sorted array that has the odd numbers in collatz sequence.
// The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined
// as follows: start with any positive integer n. Then each term is obtained from the
// previous term as follows: if the previous term is even, the next term is one half of
// the previous term. If the previous term is odd, the next term is 3 times the previous
// term plus 1. The conjecture is that no matter what value of n, the sequence will always reach 1.
// Note:
// 1. Collatz(1) is [1].
// 2. returned array sorted in increasing order.
// For example:
// get_odd_collatz(5) returns [1, 5] # The collatz sequence for 5 is [5, 16, 8, 4, 2, 1], so the odd numbers are only 1, and 5.
// getOddCollatz(n: 5) == [1, 5]
func getOddCollatz(n: Int) -> [Int] {
var collatzSequence = [n]
while collatzSequence.last != 1 {
let last = collatzSequence.last!
if last % 2 == 0 {
collatzSequence.append(last / 2)
} else {
collatzSequence.append(3 * last + 1)
}
}
return collatzSequence.filter { $0 % 2 != 0 }.sorted()
}
```func validDate(date: String) -> Bool {
// Implement your solution here
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Implement your solution here
}
```} // missing return in global function expected to return 'Bool'func validDate(date: String) -> Bool {
// Implement your solution here
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Implement your solution here
}
```} // missing return in global function expected to return 'Bool'func validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
dateFormatter.locale = Locale(identifier: "en_US_POSIX")
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
dateFormatter.locale = Locale(identifier: "en_US_POSIX")
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
dateFormatter.locale = Locale(identifier: "en_US_POSIX")
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
dateFormatter.locale = Locale(identifier: "en_US_POSIX")
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
// Write your code here
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let date = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```if let date = dateFormatter.date(from: date) { // value 'date' was defined but never used; consider replacing with boolean testfunc validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let _ = dateFormatter.date(from: date) {
return true
} else {
return false
}
}```swift
// You have to write a function which validates a given date string and
// returns true if the date is valid otherwise false.
// The date is valid if all of the following rules are satisfied:
// 1. The date string is not empty.
// 2. The number of days is not less than 1 or higher than 31 days for months 1,3,5,7,8,10,12. And the number of days is not less than 1 or higher than 30 days for months 4,6,9,11. And, the number of days is not less than 1 or higher than 29 for the month 2.
// 3. The months should not be less than 1 or higher than 12.
// 4. The date should be in the format: mm-dd-yyyy
// validDate(date: "03-11-2000") == true
// validDate(date: "15-01-2012") == false
// validDate(date: "04-0-2040") == false
// validDate(date: "06-04-2020") == true
// validDate(date: "06/04/2020") == false
func validDate(date: String) -> Bool {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "MM-dd-yyyy"
if let _ = dateFormatter.date(from: date) {
return true
} else {
return false
}
}
```extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
let words = txt.components(separatedBy: .whitespaces)
if words.count > 1 {
return .success(words)
} else {
let commas = txt.components(separatedBy: ",")
if commas.count > 1 {
return .success(commas)
} else {
let lowerCaseLetters = txt.filter { $0.isLowercase }
let oddOrderLetters = lowerCaseLetters.filter { $0.asciiValue! % 2 != 0 }
return .failure(oddOrderLetters.count)
}
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
let words = txt.components(separatedBy: .whitespaces)
if words.count > 1 {
return .success(words)
} else {
let commas = txt.components(separatedBy: ",")
if commas.count > 1 {
return .success(commas)
} else {
let lowerCaseLetters = txt.filter { $0.isLowercase }
let oddOrderLetters = lowerCaseLetters.filter { $0.asciiValue! % 2 != 0 }
return .failure(oddOrderLetters.count)
}
}
}
// Example usage:
let exampleText = "Hello world!"
let result = splitWords(txt: exampleText)
switch result {
case .success(let words):
print(words)
case .failure(let count):
print(count)
}
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().unicodeScalars.first!.value % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().unicodeScalars.first!.value % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().unicodeScalars.first!.value % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().unicodeScalars.first!.value % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.index($0.startIndex, offsetBy: 1))) % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.index($0.startIndex, offsetBy: 1))) % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.index($0.startIndex, offsetBy: 1))) % 2 != 0 } // trailing closure passed to parameter of type 'Predicate<String.Element>' (aka 'Predicate<Character>') that does not accept a closureextension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var count = 0
for char in txt {
if let index = alphabet.firstIndex(of: char), index.utf16Offset(in: alphabet) % 2 == 1 {
count += 1
}
}
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
var count = 0
for char in txt {
if let index = alphabet.firstIndex(of: char), index.utf16Offset(in: alphabet) % 2 == 1 {
count += 1
}
}
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
let words = txt.components(separatedBy: .whitespaces)
if words.count > 1 {
return .success(words)
} else {
let commas = txt.components(separatedBy: ",")
if commas.count > 1 {
return .success(commas)
} else {
let lowercaseLetters = txt.lowercased().filter { $0.isLetter }
let oddOrderLetters = lowercaseLetters.filter { $0.asciiValue! % 2 != 0 }
return .failure(oddOrderLetters.count)
}
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
let words = txt.components(separatedBy: .whitespaces)
if words.count > 1 {
return .success(words)
} else {
let commas = txt.components(separatedBy: ",")
if commas.count > 1 {
return .success(commas)
} else {
let lowercaseLetters = txt.lowercased().filter { $0.isLetter }
let oddOrderLetters = lowercaseLetters.filter { $0.asciiValue! % 2 != 0 }
return .failure(oddOrderLetters.count)
}
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.startIndex)) % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.startIndex)) % 2 != 0 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'let oddOrderLetters = alphabet.filter { alphabet.distance(from: alphabet.startIndex, to: $0.index(before: $0.startIndex)) % 2 != 0 } // trailing closure passed to parameter of type 'Predicate<String.Element>' (aka 'Predicate<Character>') that does not accept a closureextension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 }
return .failure(oddOrderLetters.count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 }
return .failure(oddOrderLetters.count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 } // cannot convert value of type 'String.Index?' to expected argument type 'Int'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().index(of: $0) % 2 == 1 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = alphabet.filter { $0.lowercased().index(of: $0) % 2 == 1 }
let count = txt.lowercased().filter { oddOrderLetters.contains($0) }.count
return .failure(count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'let oddOrderLetters = alphabet.filter { $0.lowercased().index(of: $0) % 2 == 1 } // cannot convert value of type 'String.Index?' to expected argument type 'Int'extension Int: Error {
}
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 }
return .failure(oddOrderLetters.count)
}
}```swift
extension Int: Error {}
// Given a string of words, return an array of words split on whitespace, if no whitespaces exists in the text you
// should split on commas ',' if no commas exists you should return the number of lower-case letters with odd order in the
// alphabet, ord('a') = 0, ord('b') = 1, ... ord('z') = 25
// Examples
// splitWords(txt: "Hello world!") == .success(["Hello", "world!"])
// splitWords(txt: "Hello,world!") == .success(["Hello", "world!"])
// splitWords(txt: "abcdef") == .failure(3)
func splitWords(txt: String) -> Result<[String], Int> {
if let _ = txt.rangeOfCharacter(from: .whitespaces) {
return .success(txt.components(separatedBy: .whitespaces))
} else if let _ = txt.rangeOfCharacter(from: .punctuationCharacters) {
return .success(txt.components(separatedBy: ","))
} else {
let alphabet = "abcdefghijklmnopqrstuvwxyz"
let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 }
return .failure(oddOrderLetters.count)
}
}
// Example usage:
print(splitWords(txt: "Hello world!")) // Output: .success(["Hello", "world!"])
print(splitWords(txt: "Hello,world!")) // Output: .success(["Hello", "world!"])
print(splitWords(txt: "abcdef")) // Output: .failure(3)
```extension Int: Error {} // redundant conformance of 'Int' to protocol 'Error'let oddOrderLetters = txt.lowercased().filter { alphabet.index(of: $0) % 2 == 1 } // cannot convert value of type 'String.Index?' to expected argument type 'Int'func isSorted(lst: [Int]) -> Bool {
// Your code here
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSorted(lst: [Int]) -> Bool {
// TODO: Write some code to check if the array is sorted
return false
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// TODO: Write some code to check if the array is sorted
return false
}
``` // XCTAssertTrue failedfunc isSorted(lst: [Int]) -> Bool {
// Implement your code here
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Implement your code here
}
```} // missing return in global function expected to return 'Bool'func isSorted(lst: [Int]) -> Bool {
// Implement your solution here
return true
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Implement your solution here
return true
}
// Example usage:
print(isSorted(lst: [5])) // Should return true
print(isSorted(lst: [1, 2, 3, 4, 5])) // Should return true
print(isSorted(lst: [1, 3, 2, 4, 5])) // Should return false
print(isSorted(lst: [1, 2, 3, 4, 5, 6])) // Should return true
print(isSorted(lst: [1, 2, 3, 4, 5, 6, 7])) // Should return true
print(isSorted(lst: [1, 3, 2, 4, 5, 6, 7])) // Should return false
print(isSorted(lst: [1, 2, 2, 3, 3, 4])) // Should return true
print(isSorted(lst: [1, 2, 2, 2, 3, 4])) // Should return false
``` // XCTAssertTrue failedfunc isSorted(lst: [Int]) -> Bool {
// Implement this function
return true
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Implement this function
return true
}
``` // XCTAssertTrue failedfunc isSorted(lst: [Int]) -> Bool {
// Your code here
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func isSorted(lst: [Int]) -> Bool {
// Implement your solution here
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Implement your solution here
}
```} // missing return in global function expected to return 'Bool'func isSorted(lst: [Int]) -> Bool {
// TODO: Implement this function
return false
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// TODO: Implement this function
return false
}
``` // XCTAssertTrue failedfunc isSorted(lst: [Int]) -> Bool {
// Implement your solution here
return true
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// Implement your solution here
return true
}
``` // XCTAssertTrue failedfunc isSorted(lst: [Int]) -> Bool {
// TODO: Write some code to check if the array is sorted
return true
}```swift
// Given an array of numbers, return whether or not they are sorted
// in ascending order. If array has more than 1 duplicate of the same
// number, return false. Assume no negative numbers and only integers.
// Examples
// isSorted(lst: [5]) == true
// isSorted(lst: [1, 2, 3, 4, 5]) == true
// isSorted(lst: [1, 3, 2, 4, 5]) == false
// isSorted(lst: [1, 2, 3, 4, 5, 6]) == true
// isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true
// isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false
// isSorted(lst: [1, 2, 2, 3, 3, 4]) == true
// isSorted(lst: [1, 2, 2, 2, 3, 4]) == false
func isSorted(lst: [Int]) -> Bool {
// TODO: Write some code to check if the array is sorted
return true
}
// Test cases
assert(isSorted(lst: [5]) == true, "Test 1 failed")
assert(isSorted(lst: [1, 2, 3, 4, 5]) == true, "Test 2 failed")
assert(isSorted(lst: [1, 3, 2, 4, 5]) == false, "Test 3 failed")
assert(isSorted(lst: [1, 2, 3, 4, 5, 6]) == true, "Test 4 failed")
assert(isSorted(lst: [1, 2, 3, 4, 5, 6, 7]) == true, "Test 5 failed")
assert(isSorted(lst: [1, 3, 2, 4, 5, 6, 7]) == false, "Test 6 failed")
assert(isSorted(lst: [1, 2, 2, 3, 3, 4]) == true, "Test 7 failed")
assert(isSorted(lst: [1, 2, 2, 2, 3, 4]) == false, "Test 8 failed")
print("All tests passed!")
``` // XCTAssertTrue failedfunc intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
return "NO"
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
return "NO"
}
``` // XCTAssertTrue failedfunc intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
var result = "NO"
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let start = max(start1, start2)
let end = min(end1, end2)
let length = end - start + 1
if isPrime(length) {
result = "YES"
}
return result
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
var result = "NO"
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let start = max(start1, start2)
let end = min(end1, end2)
let length = end - start + 1
if isPrime(length) {
result = "YES"
}
return result
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(intersection(interval1: (1, 2), interval2: (2, 3))) // Output: "NO"
print(intersection(interval1: (-1, 1), interval2: (0, 4))) // Output: "NO"
print(intersection(interval1: (-3, -1), interval2: (-5, 5))) // Output: "YES"
``` // XCTAssertTrue failedfunc intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}
```} // missing return in global function expected to return 'String'func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}
```} // missing return in global function expected to return 'String'func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
}
```} // missing return in global function expected to return 'String'func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
return "NO"
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// your code here
return "NO"
}
``` // XCTAssertTrue failedfunc intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
let (start1, end1) = interval1
let (start2, end2) = interval2
// Check if the intervals do not intersect
if end1 < start2 || end2 < start1 {
return "NO"
}
// Calculate the intersection length
let intersectionStart = max(start1, start2)
let intersectionEnd = min(end1, end2)
let intersectionLength = intersectionEnd - intersectionStart
// Check if the intersection length is a prime number
if intersectionLength > 0 && isPrime(intersectionLength) {
return "YES"
} else {
return "NO"
}
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
let (start1, end1) = interval1
let (start2, end2) = interval2
// Check if the intervals do not intersect
if end1 < start2 || end2 < start1 {
return "NO"
}
// Calculate the intersection length
let intersectionStart = max(start1, start2)
let intersectionEnd = min(end1, end2)
let intersectionLength = intersectionEnd - intersectionStart
// Check if the intersection length is a prime number
if intersectionLength > 0 && isPrime(intersectionLength) {
return "YES"
} else {
return "NO"
}
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(intersection(interval1: (1, 2), interval2: (2, 3))) // Output: "NO"
print(intersection(interval1: (-1, 1), interval2: (0, 4))) // Output: "NO"
print(intersection(interval1: (-3, -1), interval2: (-5, 5))) // Output: "YES"
```func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let intersectionStart = max(start1, start2)
let intersectionEnd = min(end1, end2)
let intersectionLength = intersectionEnd - intersectionStart
if intersectionLength <= 0 {
return "NO"
}
if isPrime(number: intersectionLength) {
return "YES"
} else {
return "NO"
}
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
// Write your code here
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let intersectionStart = max(start1, start2)
let intersectionEnd = min(end1, end2)
let intersectionLength = intersectionEnd - intersectionStart
if intersectionLength <= 0 {
return "NO"
}
if isPrime(number: intersectionLength) {
return "YES"
} else {
return "NO"
}
}
func isPrime(number: Int) -> Bool {
if number <= 1 {
return false
}
for i in 2..<number {
if number % i == 0 {
return false
}
}
return true
}
// Example usage:
print(intersection(interval1: (1, 2), interval2: (2, 3))) // Output: "NO"
print(intersection(interval1: (-1, 1), interval2: (0, 4))) // Output: "NO"
print(intersection(interval1: (-3, -1), interval2: (-5, 5))) // Output: "YES"
```func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let start = max(start1, start2)
let end = min(end1, end2)
let length = end - start
if length == 0 {
return "NO"
}
if isPrime(length) {
return "YES"
} else {
return "NO"
}
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// You are given two intervals,
// where each interval is a pair of integers. For example, interval = (start, end) = (1, 2).
// The given intervals are closed which means that the interval (start, end)
// includes both start and end.
// For each given interval, it is assumed that its start is less or equal its end.
// Your task is to determine whether the length of intersection of these two
// intervals is a prime number.
// Example, the intersection of the intervals (1, 3), (2, 4) is (2, 3)
// which its length is 1, which not a prime number.
// If the length of the intersection is a prime number, return "YES",
// otherwise, return "NO".
// If the two intervals don't intersect, return "NO".
// [input/output] samples:
// intersection(interval1: (1, 2), interval2: (2, 3)) == "NO"
// intersection(interval1: (-1, 1), interval2: (0, 4)) == "NO"
// intersection(interval1: (-3, -1), interval2: (-5, 5)) == "YES"
func intersection(interval1: (Int, Int), interval2: (Int, Int)) -> String {
let start1 = interval1.0
let end1 = interval1.1
let start2 = interval2.0
let end2 = interval2.1
if start1 > end2 || start2 > end1 {
return "NO"
}
let start = max(start1, start2)
let end = min(end1, end2)
let length = end - start
if length == 0 {
return "NO"
}
if isPrime(length) {
return "YES"
} else {
return "NO"
}
}
func isPrime(_ number: Int) -> Bool {
if number <= 1 {
return false
}
if number <= 3 {
return true
}
if number % 2 == 0 || number % 3 == 0 {
return false
}
var i = 5
while i * i <= number {
if number % i == 0 || number % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(intersection(interval1: (1, 2), interval2: (2, 3))) // Output: "NO"
print(intersection(interval1: (-1, 1), interval2: (0, 4))) // Output: "NO"
print(intersection(interval1: (-3, -1), interval2: (-5, 5))) // Output: "YES"
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let signs = arr.map { $0.sign }
let magnitudes = arr.map { abs($0) }
let productOfMagnitudes = magnitudes.reduce(1, *)
let sumOfSigns = signs.reduce(0, +)
return productOfMagnitudes * sumOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let signs = arr.map { $0.sign }
let magnitudes = arr.map { abs($0) }
let productOfMagnitudes = magnitudes.reduce(1, *)
let sumOfSigns = signs.reduce(0, +)
return productOfMagnitudes * sumOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```let signs = arr.map { $0.sign } // value of type 'Int' has no member 'sign'func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return sumOfMagnitudes * productOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return sumOfMagnitudes * productOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let productOfSigns = arr.reduce(1, { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) })
let sumOfMagnitudes = arr.reduce(0, { $0 + abs($1) })
return productOfSigns * sumOfMagnitudes
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let productOfSigns = arr.reduce(1, { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) })
let sumOfMagnitudes = arr.reduce(0, { $0 + abs($1) })
return productOfSigns * sumOfMagnitudes
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let sumOfMagnitudes = arr.map { abs($0) }.reduce(0, +)
let productOfSigns = arr.map { $0 == 0 ? 0 : $0 > 0 ? 1 : -1 }.reduce(1, *)
return sumOfMagnitudes * productOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let sumOfMagnitudes = arr.map { abs($0) }.reduce(0, +)
let productOfSigns = arr.map { $0 == 0 ? 0 : $0 > 0 ? 1 : -1 }.reduce(1, *)
return sumOfMagnitudes * productOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
return productOfSigns * sumOfMagnitudes
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
return productOfSigns * sumOfMagnitudes
}
```func prodSigns(arr: [Int]) -> Int? {
if arr.isEmpty {
return nil
}
let productOfSigns = arr.map { $0 > 0 ? 1 : $0 < 0 ? -1 : 0 }.reduce(1, *)
let sumOfMagnitudes = arr.map { abs($0) }.reduce(0, +)
return productOfSigns * sumOfMagnitudes
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
if arr.isEmpty {
return nil
}
let productOfSigns = arr.map { $0 > 0 ? 1 : $0 < 0 ? -1 : 0 }.reduce(1, *)
let sumOfMagnitudes = arr.map { abs($0) }.reduce(0, +)
return productOfSigns * sumOfMagnitudes
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return magnitudes.reduce(0, +) * productOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return magnitudes.reduce(0, +) * productOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return magnitudes.reduce(0, +) * productOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.reduce(1) { $0 * ($1 > 0 ? 1 : $1 < 0 ? -1 : 0) }
return magnitudes.reduce(0, +) * productOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let product = arr.reduce(1, *)
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
return product * sumOfMagnitudes
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
guard !arr.isEmpty else { return nil }
let product = arr.reduce(1, *)
let sumOfMagnitudes = arr.reduce(0) { $0 + abs($1) }
return product * sumOfMagnitudes
}
``` // XCTAssertTrue failedfunc prodSigns(arr: [Int]) -> Int? {
if arr.isEmpty {
return nil
}
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.map { $0 > 0 ? 1 : $0 < 0 ? -1 : 0 }.reduce(1, *)
return magnitudes.reduce(0, +) * productOfSigns
}```swift
// You are given an array arr of integers and you need to return
// sum of magnitudes of integers multiplied by product of all signs
// of each number in the array, represented by 1, -1 or 0.
// Note: return nil for empty arr.
// Example:
// prodSigns(arr: [1, 2, 2, -4]) == 9
// prodSigns(arr: [0, 1]) == 0
// prodSigns(arr: [] as [Int]) == nil
func prodSigns(arr: [Int]) -> Int? {
if arr.isEmpty {
return nil
}
let magnitudes = arr.map { abs($0) }
let productOfSigns = arr.map { $0 > 0 ? 1 : $0 < 0 ? -1 : 0 }.reduce(1, *)
return magnitudes.reduce(0, +) * productOfSigns
}
// Example usage:
print(prodSigns(arr: [1, 2, 2, -4])) // Output: 9
print(prodSigns(arr: [0, 1])) // Output: 0
print(prodSigns(arr: [])) // Output: nil
```func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement me
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement me
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement me
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement me
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function to pass the tests
return []
}
// Test cases
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1])
assert(minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 4) == [1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 5) == [1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 6) == [1, 2, 1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 7) == [1, 2, 1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 8) == [1, 2, 1, 2, 1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 9) == [1, 2, 1, 2, 1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 10) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 11) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 12) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 13) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 14) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 15) == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1])
assert(minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 16) == [1, 2, 1, 2, 1, 2 // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}
``` // XCTAssertTrue failedfunc minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}```swift
// Given a grid with N rows and N columns (N >= 2) and a positive integer k,
// each cell of the grid contains a value. Every integer in the range [1, N * N]
// inclusive appears exactly once on the cells of the grid.
// You have to find the minimum path of length k in the grid. You can start
// from any cell, and in each step you can move to any of the neighbor cells,
// in other words, you can go to cells which share an edge with you current
// cell.
// Please note that a path of length k means visiting exactly k cells (not
// necessarily distinct).
// You CANNOT go off the grid.
// A path A (of length k) is considered less than a path B (of length k) if
// after making the ordered arrays of the values on the cells that A and B go
// through (let's call them lst_A and lst_B), lst_A is lexicographically less
// than lst_B, in other words, there exist an integer index i (1 <= i <= k)
// such that lst_A[i] < lst_B[i] and for any j (1 <= j < i) we have
// lst_A[j] = lst_B[j].
// It is guaranteed that the answer is unique.
// Return an ordered array of the values on the cells that the minimum path go through.
// Examples:
// minPath(grid: [[1, 2, 3], [4, 5, 6], [7, 8, 9]], k: 3) == [1, 2, 1]
// minPath(grid: [[5, 9, 3], [4, 1, 6], [7, 8, 2]], k: 1) == [1]
func minPath(grid: [[Int]], k: Int) -> [Int] {
// TODO: Implement this function
return []
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var previous = 1
var current = 3
var next = 2
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = current
current = temp
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var previous = 1
var current = 3
var next = 2
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = current
current = temp
}
return result
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 3
var next = 2
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = temp
current = next
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 3
var next = 2
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = temp
current = next
}
return result
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var a = 1
var b = 3
var c = 2
result.append(a)
result.append(b)
for _ in 0..<n {
let next = a + b + c
result.append(next)
a = b
b = c
c = next
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var a = 1
var b = 3
var c = 2
result.append(a)
result.append(b)
for _ in 0..<n {
let next = a + b + c
result.append(next)
a = b
b = c
c = next
}
return result
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var previous = 3
result.append(previous)
for i in 1...n {
if i % 2 == 0 {
previous += 1
} else {
previous = result[i - 1] + result[i - 2] + previous
}
result.append(previous)
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var previous = 3
result.append(previous)
for i in 1...n {
if i % 2 == 0 {
previous += 1
} else {
previous = result[i - 1] + result[i - 2] + previous
}
result.append(previous)
}
return result
}
``` // Fatal error: Index out of rangefunc tri(n: Int) -> [Int] {
var tribonacci = [1, 3]
for i in 2...n {
if i % 2 == 0 {
tribonacci.append(1 + i / 2)
} else {
tribonacci.append(tribonacci[i - 1] + tribonacci[i - 2] + tribonacci[i + 1])
}
}
return tribonacci
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var tribonacci = [1, 3]
for i in 2...n {
if i % 2 == 0 {
tribonacci.append(1 + i / 2)
} else {
tribonacci.append(tribonacci[i - 1] + tribonacci[i - 2] + tribonacci[i + 1])
}
}
return tribonacci
}
``` // Fatal error: Index out of rangefunc tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 3
for _ in 0...n {
result.append(current)
let next = current + previous + (current + 1)
previous = current
current = next
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 3
for _ in 0...n {
result.append(current)
let next = current + previous + (current + 1)
previous = current
current = next
}
return result
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 1
var next = 3
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = current
current = temp
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var current = 1
var previous = 1
var next = 3
for _ in 0...n {
result.append(current)
let temp = next
next = current + previous + next
previous = current
current = temp
}
return result
}
// Example usage:
print(tri(n: 3)) // Output: [1, 3, 2, 8]
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var result = [Int]()
var current = 3
for _ in 0...n {
result.append(current)
current = (current + 1) / 2
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
var current = 3
for _ in 0...n {
result.append(current)
current = (current + 1) / 2
}
return result
}
``` // XCTAssertTrue failedfunc tri(n: Int) -> [Int] {
var tribonacciSequence = [Int]()
for i in 0...n {
if i == 0 {
tribonacciSequence.append(1)
} else if i == 1 {
tribonacciSequence.append(3)
} else if i % 2 == 0 {
tribonacciSequence.append(Int(Double(tribonacciSequence[i - 1]) / 2))
} else {
tribonacciSequence.append(tribonacciSequence[i - 1] + tribonacciSequence[i - 2] + tribonacciSequence[i])
}
}
return tribonacciSequence
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var tribonacciSequence = [Int]()
for i in 0...n {
if i == 0 {
tribonacciSequence.append(1)
} else if i == 1 {
tribonacciSequence.append(3)
} else if i % 2 == 0 {
tribonacciSequence.append(Int(Double(tribonacciSequence[i - 1]) / 2))
} else {
tribonacciSequence.append(tribonacciSequence[i - 1] + tribonacciSequence[i - 2] + tribonacciSequence[i])
}
}
return tribonacciSequence
}
``` // Fatal error: Index out of rangefunc tri(n: Int) -> [Int] {
var result = [Int]()
for i in 0...n {
if i == 0 {
result.append(3)
} else if i % 2 == 0 {
result.append(1 + i / 2)
} else {
result.append(result[i - 1] + result[i - 2] + result[i + 1])
}
}
return result
}```swift
// Everyone knows Fibonacci sequence, it was studied deeply by mathematicians in
// the last couple centuries. However, what people don't know is Tribonacci sequence.
// Tribonacci sequence is defined by the recurrence:
// tri(1) = 3
// tri(n) = 1 + n / 2, if n is even.
// tri(n) = tri(n - 1) + tri(n - 2) + tri(n + 1), if n is odd.
// For example:
// tri(2) = 1 + (2 / 2) = 2
// tri(4) = 3
// tri(3) = tri(2) + tri(1) + tri(4)
// = 2 + 3 + 3 = 8
// You are given a non-negative integer number n, you have to a return an array of the
// first n + 1 numbers of the Tribonacci sequence.
// Examples:
// tri(n: 3) == [1, 3, 2, 8]
func tri(n: Int) -> [Int] {
var result = [Int]()
for i in 0...n {
if i == 0 {
result.append(3)
} else if i % 2 == 0 {
result.append(1 + i / 2)
} else {
result.append(result[i - 1] + result[i - 2] + result[i + 1])
}
}
return result
}
``` // Fatal error: Index out of rangefunc digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
return oddDigits.reduce(1, *)
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
return oddDigits.reduce(1, *)
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
if oddDigits.isEmpty {
return 0
}
return oddDigits.reduce(1, *)
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
if oddDigits.isEmpty {
return 0
}
return oddDigits.reduce(1, *)
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
```func digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
if oddDigits.isEmpty {
return 0
}
return oddDigits.reduce(1, *)
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
let digits = String(n).compactMap { Int(String($0)) }
let oddDigits = digits.filter { $0 % 2 != 0 }
if oddDigits.isEmpty {
return 0
}
return oddDigits.reduce(1, *)
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
```func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
var product = 1
var number = n
while number > 0 {
let digit = number % 10
if digit % 2 != 0 {
product *= digit
}
number /= 10
}
return product
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc digits(n: Int) -> Int {
let oddDigits = String(n).compactMap { Int(String($0)) }.filter { $0 % 2 != 0 }
return oddDigits.isEmpty ? 0 : oddDigits.reduce(1, *)
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
let oddDigits = String(n).compactMap { Int(String($0)) }.filter { $0 % 2 != 0 }
return oddDigits.isEmpty ? 0 : oddDigits.reduce(1, *)
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
```func digits(n: Int) -> Int {
let oddDigits = String(n).compactMap { Int(String($0)) }.filter { $0 % 2 != 0 }
return oddDigits.reduce(1, *)
}```swift
// Given a positive integer n, return the product of the odd digits.
// Return 0 if all digits are even.
// For example:
// digits(n: 1) == 1
// digits(n: 4) == 0
// digits(n: 235) == 15
func digits(n: Int) -> Int {
let oddDigits = String(n).compactMap { Int(String($0)) }.filter { $0 % 2 != 0 }
return oddDigits.reduce(1, *)
}
// Example usage:
print(digits(n: 1)) // Output: 1
print(digits(n: 4)) // Output: 0
print(digits(n: 235)) // Output: 15
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack = [Character]()
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if !stack.isEmpty {
stack.removeLast()
if stack.isEmpty {
isNested = true
}
} else {
return false
}
}
}
return isNested && stack.isEmpty
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack = [Character]()
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if !stack.isEmpty {
stack.removeLast()
if stack.isEmpty {
isNested = true
}
} else {
return false
}
}
}
return isNested && stack.isEmpty
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBracketsCount -= 1
}
}
return openBracketsCount == 0 && stack.isEmpty
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBracketsCount -= 1
}
}
return openBracketsCount == 0 && stack.isEmpty
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if openBracketsCount > 1 {
stack.removeLast()
openBracketsCount -= 1
} else {
return false
}
}
}
return openBracketsCount == 0
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if openBracketsCount > 1 {
stack.removeLast()
openBracketsCount -= 1
} else {
return false
}
}
}
return openBracketsCount == 0
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBracketsCount -= 1
if openBracketsCount == 0 {
return false
}
}
}
return openBracketsCount > 0
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var openBracketsCount = 0
for char in string {
if char == "[" {
stack.append(char)
openBracketsCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBracketsCount -= 1
if openBracketsCount == 0 {
return false
}
}
}
return openBracketsCount > 0
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var openBrackets: [Character] = []
for char in string {
if char == "[" {
stack.append(char)
openBrackets.append(char)
} else if char == "]" {
if let lastOpenBracket = openBrackets.popLast(), lastOpenBracket == "[" {
stack.removeLast()
} else {
return false
}
}
}
return stack.isEmpty
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var openBrackets: [Character] = []
for char in string {
if char == "[" {
stack.append(char)
openBrackets.append(char)
} else if char == "]" {
if let lastOpenBracket = openBrackets.popLast(), lastOpenBracket == "[" {
stack.removeLast()
} else {
return false
}
}
}
return stack.isEmpty
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack = [Character]()
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if !stack.isEmpty {
stack.removeLast()
isNested = true
} else {
return false
}
}
}
return isNested && stack.isEmpty
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack = [Character]()
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if !stack.isEmpty {
stack.removeLast()
isNested = true
} else {
return false
}
}
}
return isNested && stack.isEmpty
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack = [Character]()
var openBrackets = 0
for char in string {
if char == "[" {
stack.append(char)
openBrackets += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBrackets -= 1
}
}
return openBrackets % 2 == 1
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack = [Character]()
var openBrackets = 0
for char in string {
if char == "[" {
stack.append(char)
openBrackets += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
openBrackets -= 1
}
}
return openBrackets % 2 == 1
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var nestedCount = 0
for char in string {
if char == "[" {
stack.append(char)
nestedCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
nestedCount -= 1
}
}
return nestedCount > 0
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var nestedCount = 0
for char in string {
if char == "[" {
stack.append(char)
nestedCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
nestedCount -= 1
}
}
return nestedCount > 0
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var nestedCount = 0
for char in string {
if char == "[" {
stack.append(char)
nestedCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
nestedCount -= 1
}
}
return nestedCount > 0
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var nestedCount = 0
for char in string {
if char == "[" {
stack.append(char)
nestedCount += 1
} else if char == "]" {
if stack.isEmpty || stack.last != "[" {
return false
}
stack.removeLast()
nestedCount -= 1
}
}
return nestedCount > 0
}
// Example usage:
print(isNested(string: "[[]]")) // Output: true
print(isNested(string: "[]]]]]]][[[[[]")) // Output: false
print(isNested(string: "[][]")) // Output: false
print(isNested(string: "[]")) // Output: false
print(isNested(string: "[[][]]")) // Output: true
print(isNested(string: "[[]][[")) // Output: true
``` // XCTAssertTrue failedfunc isNested(string: String) -> Bool {
var stack: [Character] = []
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if stack.isEmpty {
return false
}
stack.removeLast()
if !stack.isEmpty {
isNested = true
}
}
}
return isNested && stack.isEmpty
}```swift
// Create a function that takes a string as input which contains only square brackets.
// The function should return true if and only if there is a valid subsequence of brackets
// where at least one bracket in the subsequence is nested.
// isNested(string: "[[]]") == true
// isNested(string: "[]]]]]]][[[[[]") == false
// isNested(string: "[][]") == false
// isNested(string: "[]") == false
// isNested(string: "[[][]]") == true
// isNested(string: "[[]][[") == true
func isNested(string: String) -> Bool {
var stack: [Character] = []
var isNested = false
for char in string {
if char == "[" {
stack.append(char)
} else if char == "]" {
if stack.isEmpty {
return false
}
stack.removeLast()
if !stack.isEmpty {
isNested = true
}
}
}
return isNested && stack.isEmpty
}
// Example usage:
print(isNested(string: "[[]]")) // true
print(isNested(string: "[]]]]]]][[[[[]")) // false
print(isNested(string: "[][]")) // false
print(isNested(string: "[]")) // false
print(isNested(string: "[[][]]")) // true
print(isNested(string: "[[]][[")) // true
``` // XCTAssertTrue failedfunc sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int($0.squareRoot().rounded(.up) * $0.squareRoot().rounded(.up)) }
return squaredList.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int($0.squareRoot().rounded(.up) * $0.squareRoot().rounded(.up)) }
return squaredList.reduce(0, +)
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
``` // XCTAssertTrue failedfunc sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int(ceil($0)) * Int(ceil($0)) }
return squaredList.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int(ceil($0)) * Int(ceil($0)) }
return squaredList.reduce(0, +)
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
```func sumSquares(lst: [Double]) -> Int {
// Write your code here
let squaredNumbers = lst.map { Int($0.squareRoot().rounded(.up) * $0.squareRoot().rounded(.up)) }
return squaredNumbers.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
// Write your code here
let squaredNumbers = lst.map { Int($0.squareRoot().rounded(.up) * $0.squareRoot().rounded(.up)) }
return squaredNumbers.reduce(0, +)
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
``` // XCTAssertTrue failedfunc sumSquares(lst: [Double]) -> Int {
// Write your code here
let roundedList = lst.map { Int(ceil($0)) }
let squaredList = roundedList.map { $0 * $0 }
let sum = squaredList.reduce(0, +)
return sum
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
// Write your code here
let roundedList = lst.map { Int(ceil($0)) }
let squaredList = roundedList.map { $0 * $0 }
let sum = squaredList.reduce(0, +)
return sum
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
```func sumSquares(lst: [Double]) -> Int {
let squaredAndCeiled = lst.map { Int(ceil($0 * $0)) }
return squaredAndCeiled.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredAndCeiled = lst.map { Int(ceil($0 * $0)) }
return squaredAndCeiled.reduce(0, +)
}
``` // XCTAssertTrue failedfunc sumSquares(lst: [Double]) -> Int {
return lst.map { Int($0.rounded(.up)) }.map { $0 * $0 }.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
return lst.map { Int($0.rounded(.up)) }.map { $0 * $0 }.reduce(0, +)
}
```func sumSquares(lst: [Double]) -> Int {
let squaredNumbers = lst.map { Int(ceil($0)) }
let sumOfSquares = squaredNumbers.reduce(0) { $0 + $1 * $1 }
return sumOfSquares
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredNumbers = lst.map { Int(ceil($0)) }
let sumOfSquares = squaredNumbers.reduce(0) { $0 + $1 * $1 }
return sumOfSquares
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
```func sumSquares(lst: [Double]) -> Int {
let squaredNumbers = lst.map { Int(ceil($0)) }.map { $0 * $0 }
return squaredNumbers.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredNumbers = lst.map { Int(ceil($0)) }.map { $0 * $0 }
return squaredNumbers.reduce(0, +)
}
```func sumSquares(lst: [Double]) -> Int {
// Convert each element in the array to the upper int and square it
let squaredAndCeiled = lst.map { Int(ceil($0)) * Int(ceil($0)) }
// Sum up the squared and ceiled values
return squaredAndCeiled.reduce(0, +)
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
// Convert each element in the array to the upper int and square it
let squaredAndCeiled = lst.map { Int(ceil($0)) * Int(ceil($0)) }
// Sum up the squared and ceiled values
return squaredAndCeiled.reduce(0, +)
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
```func sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int(ceil($0)) }
let sumOfSquares = squaredList.reduce(0) { $0 + $1 * $1 }
return sumOfSquares
}```swift
// You are given an array of numbers.
// You need to return the sum of squared numbers in the given array,
// round each element in the array to the upper int(Ceiling) first.
// Examples:
// sumSquares(lst: [1.0, 2.0, 3.0]) == 14
// sumSquares(lst: [1.0, 4.0, 9.0]) == 98
// sumSquares(lst: [1.0, 3.0, 5.0, 7.0]) == 84
// sumSquares(lst: [1.4, 4.2, 0.0]) == 29
// sumSquares(lst: [-2.4, 1.0, 1.0]) == 6
func sumSquares(lst: [Double]) -> Int {
let squaredList = lst.map { Int(ceil($0)) }
let sumOfSquares = squaredList.reduce(0) { $0 + $1 * $1 }
return sumOfSquares
}
// Example usage:
print(sumSquares(lst: [1.0, 2.0, 3.0])) // Output: 14
print(sumSquares(lst: [1.0, 4.0, 9.0])) // Output: 98
print(sumSquares(lst: [1.0, 3.0, 5.0, 7.0])) // Output: 84
print(sumSquares(lst: [1.4, 4.2, 0.0])) // Output: 29
print(sumSquares(lst: [-2.4, 1.0, 1.0])) // Output: 6
```func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
// Test cases
assert(checkIfLastCharIsALetter(txt: "apple pie") == false)
assert(checkIfLastCharIsALetter(txt: "apple pi e") == true)
assert(checkIfLastCharIsALetter(txt: "apple pi e ") == false)
assert(checkIfLastCharIsALetter(txt: "") == false)
assert(checkIfLastCharIsALetter(txt: "a") == true)
assert(checkIfLastCharIsALetter(txt: "A") == true)
assert(checkIfLastCharIsALetter(txt: "4") == false)
assert(checkIfLastCharIsALetter(txt: " ") == false)
assert(checkIfLastCharIsALetter(txt: "a ") == false)
assert(checkIfLastCharIsALetter(txt: "4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a4") == false)
assert(checkIfLastCharIsALetter(txt: "a a") == false)
assert(checkIfLastCharIsALetter(txt: "a a ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false)
assert(checkIfLastCharIsALetter(txt: "a a4 ") == false} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Write your code here
let lastChar = txt.last
let lastCharIsLetter = lastChar?.isLetter ?? false
let lastCharIsNotWord = !txt.contains(" ")
return lastCharIsLetter && lastCharIsNotWord
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Write your code here
let lastChar = txt.last
let lastCharIsLetter = lastChar?.isLetter ?? false
let lastCharIsNotWord = !txt.contains(" ")
return lastCharIsLetter && lastCharIsNotWord
}
// Test cases
print(checkIfLastCharIsALetter(txt: "apple pie")) // false
print(checkIfLastCharIsALetter(txt: "apple pi e")) // true
print(checkIfLastCharIsALetter(txt: "apple pi e ")) // false
print(checkIfLastCharIsALetter(txt: "")) // false
``` // XCTAssertTrue failedfunc checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
}
// Test cases
print(checkIfLastCharIsALetter(txt: "apple pie")) // false
print(checkIfLastCharIsALetter(txt: "apple pi e")) // true
print(checkIfLastCharIsALetter(txt: "apple pi e ")) // false
print(checkIfLastCharIsALetter(txt: "")) // false
```} // missing return in global function expected to return 'Bool'func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
return false
}```swift
// Create a function that returns true if the last character
// of a given string is an alphabetical character and is not
// a part of a word, and false otherwise.
// Note: "word" is a group of characters separated by space.
// Examples:
// checkIfLastCharIsALetter(txt: "apple pie") == false
// checkIfLastCharIsALetter(txt: "apple pi e") == true
// checkIfLastCharIsALetter(txt: "apple pi e ") == false
// checkIfLastCharIsALetter(txt: "") == false
func checkIfLastCharIsALetter(txt: String) -> Bool {
// Your code here
return false
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}
// Test cases
assert(canArrange(arr: [1, 2, 4, 3, 5]) == 3)
assert(canArrange(arr: [1, 2, 3]) == -1)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// Initialize the largest index to -1
var largestIndex = -1
// Iterate over the array, starting from the second element
for i in 1..<arr.count {
// If the current element is not greater than or equal to the previous element
if arr[i] >= arr[i - 1] {
// Update the largest index
largestIndex = i
}
}
// Return the largest index found, or -1 if no such element exists
return largestIndex
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// Initialize the largest index to -1
var largestIndex = -1
// Iterate over the array, starting from the second element
for i in 1..<arr.count {
// If the current element is not greater than or equal to the previous element
if arr[i] >= arr[i - 1] {
// Update the largest index
largestIndex = i
}
}
// Return the largest index found, or -1 if no such element exists
return largestIndex
}
// Example usage:
print(canArrange(arr: [1, 2, 4, 3, 5])) // Output: 3
print(canArrange(arr: [1, 2, 3])) // Output: -1
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function to pass the tests
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function to pass the tests
return -1
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}
// Test cases
assert(canArrange(arr: [1, 2, 4, 3, 5]) == 3)
assert(canArrange(arr: [1, 2, 3]) == -1)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0)
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 2)
assert(canArrange(arr: [1, 2, 3, 4, 5]) == 3)
assert // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
var largestIndex = -1
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
largestIndex = i
}
}
return largestIndex
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
var largestIndex = -1
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
largestIndex = i
}
}
return largestIndex
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
// TODO: Implement this function
return -1
}
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
return i - 1
}
}
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
return i - 1
}
}
return -1
}
// Unit tests
assert(canArrange(arr: [1, 2, 4, 3, 5]) == 3, "Test 1 failed")
assert(canArrange(arr: [1, 2, 3]) == -1, "Test 2 failed")
assert(canArrange(arr: [5, 4, 3, 2, 1]) == 0, "Test 3 failed")
assert(canArrange(arr: [1, 3, 2, 4, 5]) == 1, "Test 4 failed")
assert(canArrange(arr: [1]) == -1, "Test 5 failed")
assert(canArrange(arr: []) == -1, "Test 6 failed")
print("All tests passed!")
``` // XCTAssertTrue failedfunc canArrange(arr: [Int]) -> Int {
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
return i - 1
}
}
return -1
}```swift
// Create a function which returns the largest index of an element which
// is not greater than or equal to the element immediately preceding it. If
// no such element exists then return -1. The given array will not contain
// duplicate values.
// Examples:
// canArrange(arr: [1, 2, 4, 3, 5]) == 3
// canArrange(arr: [1, 2, 3]) == -1
func canArrange(arr: [Int]) -> Int {
for i in 1..<arr.count {
if arr[i] >= arr[i - 1] {
return i - 1
}
}
return -1
}
``` // XCTAssertTrue failedfunc largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
maxNegative = max(maxNegative ?? num, num)
} else if num > 0 {
minPositive = min(minPositive ?? num, num)
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
maxNegative = max(maxNegative ?? num, num)
} else if num > 0 {
minPositive = min(minPositive ?? num, num)
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (-1, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
maxNegative = max(maxNegative ?? num, num)
} else if num > 0 {
minPositive = min(minPositive ?? num, num)
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
maxNegative = max(maxNegative ?? num, num)
} else if num > 0 {
minPositive = min(minPositive ?? num, num)
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int? = nil
var minPositive: Int? = nil
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int? = nil
var minPositive: Int? = nil
for num in lst {
if num < 0 {
if maxNegative == nil || num > maxNegative! {
maxNegative = num
}
} else if num > 0 {
if minPositive == nil || num < minPositive! {
minPositive = num
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}```swift
// Create a function that returns a tuple (a, b), where 'a' is
// the largest of negative integers, and 'b' is the smallest
// of positive integers in an array.
// If there is no negative or positive integers, return them as nil.
// Examples:
// largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7]) == (nil, 1)
// largestSmallestIntegers(lst: [] as [Int]) == (nil, nil)
// largestSmallestIntegers(lst: [0]) == (nil, nil)
func largestSmallestIntegers(lst: [Int]) -> (Int?, Int?) {
var maxNegative: Int?
var minPositive: Int?
for number in lst {
if number < 0 {
if maxNegative == nil || number > maxNegative! {
maxNegative = number
}
} else if number > 0 {
if minPositive == nil || number < minPositive! {
minPositive = number
}
}
}
return (maxNegative, minPositive)
}
// Example usage:
print(largestSmallestIntegers(lst: [2, 4, 1, 3, 5, 7])) // Output: (nil, 1)
print(largestSmallestIntegers(lst: [])) // Output: (nil, nil)
print(largestSmallestIntegers(lst: [0])) // Output: (nil, nil)
```enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt < bInt ? b : nil)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble < bDouble ? b : nil)
case let (.stringValue(aString), .stringValue(bString)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aFloat > bFloat ? .stringValue(aString) : (aFloat < bFloat ? .stringValue(bString) : nil)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt < bDouble ? b : nil)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble < bInt ? b : nil)
case let (.stringValue(aString), .doubleValue(bDouble)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bDouble ? .stringValue(aString) : (aFloat < bDouble ? b : nil)
case let (.doubleValue(aDouble), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aDouble > bFloat ? a : (aDouble < bFloat ? b : nil)
case let (.intValue(aInt), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aInt > bFloat ? a : (aInt < bFloat ? b : nil)
case let (.stringValue(aString), .intValue(bInt)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bInt ? .stringValue(aString) : (aFloat < bInt ? b : nil)
default:
return nil
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt < bInt ? b : nil)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble < bDouble ? b : nil)
case let (.stringValue(aString), .stringValue(bString)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aFloat > bFloat ? .stringValue(aString) : (aFloat < bFloat ? .stringValue(bString) : nil)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt < bDouble ? b : nil)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble < bInt ? b : nil)
case let (.stringValue(aString), .doubleValue(bDouble)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bDouble ? .stringValue(aString) : (aFloat < bDouble ? b : nil)
case let (.doubleValue(aDouble), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aDouble > bFloat ? a : (aDouble < bFloat ? b : nil)
case let (.intValue(aInt), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aInt > bFloat ? a : (aInt < bFloat ? b : nil)
case let (.stringValue(aString), .intValue(bInt)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bInt ? .stringValue(aString) : (aFloat < bInt ? b : nil)
default:
return nil
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Output: .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Output: .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Output: .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Output: nil
```return aInt > bDouble ? a : (aInt < bDouble ? b : nil) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt < bDouble ? b : nil) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble < bInt ? b : nil) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble < bInt ? b : nil) // cannot convert value of type 'Double' to expected argument type 'Int'return aFloat > bDouble ? .stringValue(aString) : (aFloat < bDouble ? b : nil) // binary operator '<' cannot be applied to operands of type 'Float' and 'Double'return aFloat > bDouble ? .stringValue(aString) : (aFloat < bDouble ? b : nil) // binary operator '>' cannot be applied to operands of type 'Float' and 'Double'return aDouble > bFloat ? a : (aDouble < bFloat ? b : nil) // binary operator '>' cannot be applied to operands of type 'Double' and 'Float'return aDouble > bFloat ? a : (aDouble < bFloat ? b : nil) // binary operator '<' cannot be applied to operands of type 'Double' and 'Float'return aInt > bFloat ? a : (aInt < bFloat ? b : nil) // cannot convert value of type 'Float' to expected argument type 'Int'return aInt > bFloat ? a : (aInt < bFloat ? b : nil) // cannot convert value of type 'Float' to expected argument type 'Int'return aFloat > bInt ? .stringValue(aString) : (aFloat < bInt ? b : nil) // cannot convert value of type 'Float' to expected argument type 'Int'return aFloat > bInt ? .stringValue(aString) : (aFloat < bInt ? b : nil) // cannot convert value of type 'Float' to expected argument type 'Int'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aDouble = aString.replacingOccurrences(of: ",", with: ".").toDouble()
let bDouble = bString.replacingOccurrences(of: ",", with: ".").toDouble()
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
}
}
extension String {
func toDouble() -> Double? {
return NumberFormatter().number(from: self)?.doubleValue
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aDouble = aString.replacingOccurrences(of: ",", with: ".").toDouble()
let bDouble = bString.replacingOccurrences(of: ",", with: ".").toDouble()
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
}
}
// Helper function to convert string to Double
extension String {
func toDouble() -> Double? {
return NumberFormatter().number(from: self)?.doubleValue
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Should print .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Should print .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Should print .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Should print nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
extension String {
func toDouble() -> Double? {
let formatter = NumberFormatter()
formatter.numberStyle = .decimal
formatter.decimalSeparator = ","
if let number = formatter.number(from: self) {
return number.doubleValue
}
return nil
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
// Extension to convert string to Double, handling both dot and comma as decimal separators
extension String {
func toDouble() -> Double? {
let formatter = NumberFormatter()
formatter.numberStyle = .decimal
formatter.decimalSeparator = ","
if let number = formatter.number(from: self) {
return number.doubleValue
}
return nil
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Output: doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Output: stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Output: stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Output: nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() > bString.replacingOccurrences(of: ",", with: ".").toDouble() ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aDouble = Double(aString.replacing(",", with: ".")) ?? 0
let bDouble = Double(bString.replacing(",", with: ".")) ?? 0
return aDouble > bDouble ? .stringValue(aString) : (aDouble == bDouble ? nil : .stringValue(bString))
case let (.intValue(aInt), .doubleValue(bDouble)),
let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt))
case let (.intValue(aInt), .stringValue(bString)),
let (.stringValue(aString), .intValue(bInt)):
let bDouble = Double(bString.replacing(",", with: ".")) ?? 0
return Double(aInt) > bDouble ? .intValue(aInt) : (Double(aInt) == bDouble ? nil : .stringValue(bString))
case let (.doubleValue(aDouble), .stringValue(bString)),
let (.stringValue(aString), .doubleValue(bDouble)):
return aDouble > bDouble ? .doubleValue(aDouble) : (aDouble == bDouble ? nil : .stringValue(bString))
default:
return nil
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aDouble = Double(aString.replacing(",", with: ".")) ?? 0
let bDouble = Double(bString.replacing(",", with: ".")) ?? 0
return aDouble > bDouble ? .stringValue(aString) : (aDouble == bDouble ? nil : .stringValue(bString))
case let (.intValue(aInt), .doubleValue(bDouble)),
let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt))
case let (.intValue(aInt), .stringValue(bString)),
let (.stringValue(aString), .intValue(bInt)):
let bDouble = Double(bString.replacing(",", with: ".")) ?? 0
return Double(aInt) > bDouble ? .intValue(aInt) : (Double(aInt) == bDouble ? nil : .stringValue(bString))
case let (.doubleValue(aDouble), .stringValue(bString)),
let (.stringValue(aString), .doubleValue(bDouble)):
return aDouble > bDouble ? .doubleValue(aDouble) : (aDouble == bDouble ? nil : .stringValue(bString))
default:
return nil
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Output: .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Output: .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Output: .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Output: nil
```case let (.intValue(aInt), .doubleValue(bDouble)), // 'aInt' must be bound in every patterncase let (.intValue(aInt), .doubleValue(bDouble)), // 'bDouble' must be bound in every patternlet (.doubleValue(aDouble), .intValue(bInt)): // 'bInt' must be bound in every patternlet (.doubleValue(aDouble), .intValue(bInt)): // 'aDouble' must be bound in every patternreturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'aDouble' in scopereturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'aDouble' in scopereturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'bInt' in scopereturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'bInt' in scopereturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'aDouble' in scopereturn aDouble > Double(bInt) ? .doubleValue(aDouble) : (aDouble == Double(bInt) ? nil : .intValue(bInt)) // cannot find 'bInt' in scopecase let (.intValue(aInt), .stringValue(bString)), // 'aInt' must be bound in every patterncase let (.intValue(aInt), .stringValue(bString)), // 'bString' must be bound in every patternlet (.stringValue(aString), .intValue(bInt)): // 'bInt' must be bound in every patternlet (.stringValue(aString), .intValue(bInt)): // 'aString' must be bound in every patterncase let (.doubleValue(aDouble), .stringValue(bString)), // 'aDouble' must be bound in every patterncase let (.doubleValue(aDouble), .stringValue(bString)), // 'bString' must be bound in every patternlet (.stringValue(aString), .doubleValue(bDouble)): // 'aString' must be bound in every patternlet (.stringValue(aString), .doubleValue(bDouble)): // 'bDouble' must be bound in every patternreturn aDouble > bDouble ? .doubleValue(aDouble) : (aDouble == bDouble ? nil : .stringValue(bString)) // cannot find 'bDouble' in scopereturn aDouble > bDouble ? .doubleValue(aDouble) : (aDouble == bDouble ? nil : .stringValue(bString)) // cannot find 'bDouble' in scopeenum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aFloat > bFloat ? .stringValue(aString) : (aFloat == bFloat ? nil : .stringValue(bString))
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : .doubleValue(bDouble))
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : .intValue(bInt))
case let (.intValue(aInt), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aInt > bFloat ? a : (aInt == bFloat ? nil : .stringValue(bString))
case let (.stringValue(aString), .intValue(bInt)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bInt ? .stringValue(aString) : (aFloat == bInt ? nil : .intValue(bInt))
case let (.doubleValue(aDouble), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aDouble > bFloat ? a : (aDouble == bFloat ? nil : .stringValue(bString))
case let (.stringValue(aString), .doubleValue(bDouble)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bDouble ? .stringValue(aString) : (aFloat == bDouble ? nil : .doubleValue(bDouble))
default:
return nil
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aFloat > bFloat ? .stringValue(aString) : (aFloat == bFloat ? nil : .stringValue(bString))
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : .doubleValue(bDouble))
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : .intValue(bInt))
case let (.intValue(aInt), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aInt > bFloat ? a : (aInt == bFloat ? nil : .stringValue(bString))
case let (.stringValue(aString), .intValue(bInt)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bInt ? .stringValue(aString) : (aFloat == bInt ? nil : .intValue(bInt))
case let (.doubleValue(aDouble), .stringValue(bString)):
let bFloat = Float(bString.replacing(",", with: ".")) ?? 0.0
return aDouble > bFloat ? a : (aDouble == bFloat ? nil : .stringValue(bString))
case let (.stringValue(aString), .doubleValue(bDouble)):
let aFloat = Float(aString.replacing(",", with: ".")) ?? 0.0
return aFloat > bDouble ? .stringValue(aString) : (aFloat == bDouble ? nil : .doubleValue(bDouble))
default:
return nil
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Should print .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Should print .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Should print .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Should print nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : .doubleValue(bDouble)) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : .doubleValue(bDouble)) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : .intValue(bInt)) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : .intValue(bInt)) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bFloat ? a : (aInt == bFloat ? nil : .stringValue(bString)) // cannot convert value of type 'Float' to expected argument type 'Int'return aInt > bFloat ? a : (aInt == bFloat ? nil : .stringValue(bString)) // cannot convert value of type 'Float' to expected argument type 'Int'return aFloat > bInt ? .stringValue(aString) : (aFloat == bInt ? nil : .intValue(bInt)) // cannot convert value of type 'Float' to expected argument type 'Int'return aFloat > bInt ? .stringValue(aString) : (aFloat == bInt ? nil : .intValue(bInt)) // cannot convert value of type 'Float' to expected argument type 'Int'return aDouble > bFloat ? a : (aDouble == bFloat ? nil : .stringValue(bString)) // binary operator '>' cannot be applied to operands of type 'Double' and 'Float'return aDouble > bFloat ? a : (aDouble == bFloat ? nil : .stringValue(bString)) // binary operator '==' cannot be applied to operands of type 'Double' and 'Float'return aFloat > bDouble ? .stringValue(aString) : (aFloat == bDouble ? nil : .doubleValue(bDouble)) // binary operator '>' cannot be applied to operands of type 'Float' and 'Double'return aFloat > bDouble ? .stringValue(aString) : (aFloat == bDouble ? nil : .doubleValue(bDouble)) // binary operator '==' cannot be applied to operands of type 'Float' and 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
extension String {
func toDouble() -> Double? {
let decimalSeparator = Locale.current.decimalSeparator ?? "."
let numberFormatter = NumberFormatter()
numberFormatter.decimalSeparator = decimalSeparator
return numberFormatter.number(from: self)?.doubleValue
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
// Extension to convert String to Double, accounting for locale-specific decimal separators
extension String {
func toDouble() -> Double? {
let decimalSeparator = Locale.current.decimalSeparator ?? "."
let numberFormatter = NumberFormatter()
numberFormatter.decimalSeparator = decimalSeparator
return numberFormatter.number(from: self)?.doubleValue
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5))) // Output: .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3"))) // Output: .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6"))) // Output: .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1))) // Output: nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bInt ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bDouble ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bDouble ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
extension String {
func toDouble() -> Double? {
let decimalSeparator = Locale.current.decimalSeparator ?? "."
let formattedString = replacingOccurrences(of: ",", with: decimalSeparator)
return Double(formattedString)
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b)
}
}
// Extension to convert String to Double, accounting for locale-specific decimal separators
extension String {
func toDouble() -> Double? {
let decimalSeparator = Locale.current.decimalSeparator ?? "."
let formattedString = replacingOccurrences(of: ",", with: decimalSeparator)
return Double(formattedString)
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5)) ?? "nil") // Output: doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3")) ?? "nil") // Output: stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6")) ?? "nil") // Output: stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1)) ?? "nil") // Output: nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'return aInt > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aInt == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'return aDouble > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aDouble == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bInt ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bInt ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bDouble ? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bDouble ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // expected expressionreturn aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // consecutive statements on a line must be separated by ';'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert return expression of type 'Bool' to return type 'Value?'return aString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a > bString.replacingOccurrences(of: ",", with: ".").toDouble() ?? a : (aString.replacingOccurrences(of: ",", with: ".").toDouble() == bString.replacingOccurrences(of: ",", with: ".").toDouble() ? nil : b) // cannot convert value of type 'Value' to expected argument type 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5)) as Any) // Should print .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3")) as Any) // Should print .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6")) as Any) // Should print .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1)) as Any) // Should print nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : .intValue(bInt))
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : .doubleValue(bDouble))
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : .stringValue(bString))
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : .intValue(bInt))
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : .doubleValue(bDouble))
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : .stringValue(bString))
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5)) as Any) // Should print .doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3")) as Any) // Should print .stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6")) as Any) // Should print .stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1)) as Any) // Should print nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : .intValue(bInt)) // cannot convert value of type 'Double?' to expected argument type 'Int'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : .doubleValue(bDouble)) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : .stringValue(bString)) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? .stringValue(aString) : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : .stringValue(bString)) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
}
}```swift
enum Value: Equatable, Hashable {
case intValue(Int)
case doubleValue(Double)
case stringValue(String)
}
// Create a function that takes integers, floats, or strings representing
// real numbers, and returns the larger variable in its given variable type.
// Return nil if the values are equal.
// Note: If a real number is represented as a string, the floating point might be . or ,
// compareOne(a: .intValue(1), b: .doubleValue(2.5)) == .doubleValue(2.5)
// compareOne(a: .intValue(1), b: .stringValue("2,3")) == .stringValue("2,3")
// compareOne(a: .stringValue("5,1"), b: .stringValue("6")) == .stringValue("6")
// compareOne(a: .stringValue("1"), b: .intValue(1)) == nil
func compareOne(a: Value, b: Value) -> Value? {
switch (a, b) {
case let (.intValue(aInt), .intValue(bInt)):
return aInt > bInt ? a : (aInt == bInt ? nil : b)
case let (.intValue(aInt), .doubleValue(bDouble)):
return aInt > bDouble ? a : (aInt == bDouble ? nil : b)
case let (.intValue(aInt), .stringValue(bString)):
return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.doubleValue(aDouble), .intValue(bInt)):
return aDouble > bInt ? a : (aDouble == bInt ? nil : b)
case let (.doubleValue(aDouble), .doubleValue(bDouble)):
return aDouble > bDouble ? a : (aDouble == bDouble ? nil : b)
case let (.doubleValue(aDouble), .stringValue(bString)):
return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
case let (.stringValue(aString), .intValue(bInt)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b)
case let (.stringValue(aString), .doubleValue(bDouble)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b)
case let (.stringValue(aString), .stringValue(bString)):
return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b)
}
}
// Example usage:
print(compareOne(a: .intValue(1), b: .doubleValue(2.5)) ?? "nil") // Output: doubleValue(2.5)
print(compareOne(a: .intValue(1), b: .stringValue("2,3")) ?? "nil") // Output: stringValue("2,3")
print(compareOne(a: .stringValue("5,1"), b: .stringValue("6")) ?? "nil") // Output: stringValue("6")
print(compareOne(a: .stringValue("1"), b: .intValue(1)) ?? "nil") // Output: nil
```return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > bDouble ? a : (aInt == bDouble ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aInt > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aInt == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > bInt ? a : (aDouble == bInt ? nil : b) // cannot convert value of type 'Double' to expected argument type 'Int'return aDouble > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (aDouble == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bInt ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bInt) ? nil : b) // cannot convert value of type 'Double?' to expected argument type 'Int'return Double(aString.replacingOccurrences(of: ",", with: ".")) > bDouble ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == bDouble ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'return Double(aString.replacingOccurrences(of: ",", with: ".")) > Double(bString.replacingOccurrences(of: ",", with: ".")) ? a : (Double(aString.replacingOccurrences(of: ",", with: ".")) == Double(bString.replacingOccurrences(of: ",", with: ".")) ? nil : b) // value of optional type 'Double?' must be unwrapped to a value of type 'Double'func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest sum of 4 even numbers is 6 + 4 + 2 + 2 = 14,
// we can quickly rule out any number outside this range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use a mathematical approach to check if the number can be expressed as such.
// We iterate over all possible combinations of 4 even numbers and check if any of them sum up to n.
for a in 2...n/2 {
for b in 2...n/2 {
for c in 2...n/2 {
for d in 2...n/2 {
if a + b + c + d == n {
return true
}
}
}
}
}
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest sum of 4 even numbers is 6 + 4 + 2 + 2 = 14,
// we can quickly rule out any number outside this range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use a mathematical approach to check if the number can be expressed as such.
// We iterate over all possible combinations of 4 even numbers and check if any of them sum up to n.
for a in 2...n/2 {
for b in 2...n/2 {
for c in 2...n/2 {
for d in 2...n/2 {
if a + b + c + d == n {
return true
}
}
}
}
}
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n % 2 == 0 && n > 4 else {
return false
}
// Iterate over all combinations of 4 even numbers
for a in 2...n/4 {
for b in 2...(n-a)/3 {
for c in 2...(n-a-b)/2 {
let d = n - a - b - c
// Check if the sum of the combination equals n
if a + b + c + d == n {
return true
}
}
}
}
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n % 2 == 0 && n > 4 else {
return false
}
// Iterate over all combinations of 4 even numbers
for a in 2...n/4 {
for b in 2...(n-a)/3 {
for c in 2...(n-a-b)/2 {
let d = n - a - b - c
// Check if the sum of the combination equals n
if a + b + c + d == n {
return true
}
}
}
}
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // Fatal error: Range requires lowerBound <= upperBoundfunc isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest even numbers are 2, 4, 6, 8, we can start from 4 and check if there's a combination that sums up to n.
for a in 4...n/2 {
for b in a+1...(n-a)/2 {
for c in b+1...(n-a-b)/2 {
let d = n - a - b - c
if a + b + c + d == n {
return true
}
}
}
}
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest even numbers are 2, 4, 6, 8, we can start from 4 and check if there's a combination that sums up to n.
for a in 4...n/2 {
for b in a+1...(n-a)/2 {
for c in b+1...(n-a-b)/2 {
let d = n - a - b - c
if a + b + c + d == n {
return true
}
}
}
}
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // Fatal error: Range requires lowerBound <= upperBoundfunc isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest is 6 + 4 + 2 + 2 = 14, we can quickly rule out
// any numbers outside that range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use the fact that the sum
// of the first k even numbers is k * (k + 1). If n is in the range
// of 8 to 14, then it must be the sum of 4 even numbers.
return true
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest is 6 + 4 + 2 + 2 = 14, we can quickly rule out
// any numbers outside that range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use the fact that the sum
// of the first k even numbers is k * (k + 1). If n is in the range
// of 8 to 14, then it must be the sum of 4 even numbers.
return true
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest is 6 + 4 + 2 + 2 = 14, we can quickly eliminate
// numbers outside this range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use the fact that the sum
// of the first k natural numbers is k(k+1)/2. We can check if n is
// a perfect square and if the square root of n is even, which would
// mean it can be expressed as the sum of 4 even numbers.
let sqrtN = Int(sqrt(Double(n)))
return sqrtN * sqrtN == n && sqrtN % 2 == 0
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest sum of 4 even numbers is 2 + 2 + 2 + 2 = 8,
// and the largest is 6 + 4 + 2 + 2 = 14, we can quickly eliminate
// numbers outside this range.
if n < 8 || n > 14 {
return false
}
// Since we're looking for a sum, we can use the fact that the sum
// of the first k natural numbers is k(k+1)/2. We can check if n is
// a perfect square and if the square root of n is even, which would
// mean it can be expressed as the sum of 4 even numbers.
let sqrtN = Int(sqrt(Double(n)))
return sqrtN * sqrtN == n && sqrtN % 2 == 0
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
print(isEqualToSumEven(n: 16)) // Output: true
print(isEqualToSumEven(n: 20)) // Output: false
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n % 2 == 0 && n > 4 else {
return false
}
// Calculate the maximum possible sum of 4 even numbers
let maxSum = 4 * (n / 2)
// Check if n is exactly 4 even numbers
return n == maxSum
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n % 2 == 0 && n > 4 else {
return false
}
// Calculate the maximum possible sum of 4 even numbers
let maxSum = 4 * (n / 2)
// Check if n is exactly 4 even numbers
return n == maxSum
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n > 4 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of 2s that can be used
let maxTwos = n / 2 - 1
// Iterate over all combinations of 4 numbers where each number is even and less than or equal to maxTwos
for i in 0...maxTwos {
for j in 0...maxTwos {
for k in 0...maxTwos {
for l in 0...maxTwos {
// Check if the sum of the numbers equals n
if i * 2 + j * 2 + k * 2 + l * 2 == n {
return true
}
}
}
}
}
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and greater than 4
guard n > 4 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of 2s that can be used
let maxTwos = n / 2 - 1
// Iterate over all combinations of 4 numbers where each number is even and less than or equal to maxTwos
for i in 0...maxTwos {
for j in 0...maxTwos {
for k in 0...maxTwos {
for l in 0...maxTwos {
// Check if the sum of the numbers equals n
if i * 2 + j * 2 + k * 2 + l * 2 == n {
return true
}
}
}
}
}
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and positive
guard n > 0 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of even numbers that can sum up to n
let maxEvenCount = n / 2
// Iterate over all possible combinations of 4 even numbers that sum up to n
for i in 1...maxEvenCount {
for j in 1...maxEvenCount {
for k in 1...maxEvenCount {
for l in 1...maxEvenCount {
// Check if the sum of the current combination equals n
if i + j + k + l == n {
return true
}
}
}
}
}
// If no combination sums up to n, return false
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and positive
guard n > 0 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of even numbers that can sum up to n
let maxEvenCount = n / 2
// Iterate over all possible combinations of 4 even numbers that sum up to n
for i in 1...maxEvenCount {
for j in 1...maxEvenCount {
for k in 1...maxEvenCount {
for l in 1...maxEvenCount {
// Check if the sum of the current combination equals n
if i + j + k + l == n {
return true
}
}
}
}
}
// If no combination sums up to n, return false
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest even numbers are 2, 4, 6, 8, we can start from 8 and check if we can subtract
// 2, 4, 6, and 8 to reach n.
for i in 8..<n {
if i % 2 == 0 && (n - i) % 2 == 0 && (n - i) / 2 >= 4 {
return true
}
}
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
if n < 8 || n % 2 != 0 {
return false
}
// Since the smallest even numbers are 2, 4, 6, 8, we can start from 8 and check if we can subtract
// 2, 4, 6, and 8 to reach n.
for i in 8..<n {
if i % 2 == 0 && (n - i) % 2 == 0 && (n - i) / 2 >= 4 {
return true
}
}
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and positive
guard n > 0 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of even parts that can be used
let maxParts = n / 2
// Iterate over all possible combinations of 4 even parts
for i in 1...maxParts {
for j in 1...maxParts {
for k in 1...maxParts {
for l in 1...maxParts {
// Check if the sum of the parts equals the original number
if i + j + k + l == n {
return true
}
}
}
}
}
// If no combination was found, return false
return false
}```swift
// Evaluate whether the given number n can be written as the sum of exactly 4 positive even numbers
// Example
// isEqualToSumEven(n: 4) == false
// isEqualToSumEven(n: 6) == false
// isEqualToSumEven(n: 8) == true
func isEqualToSumEven(n: Int) -> Bool {
// Check if n is even and positive
guard n > 0 && n % 2 == 0 else {
return false
}
// Calculate the maximum number of even parts that can be used
let maxParts = n / 2
// Iterate over all possible combinations of 4 even parts
for i in 1...maxParts {
for j in 1...maxParts {
for k in 1...maxParts {
for l in 1...maxParts {
// Check if the sum of the parts equals the original number
if i + j + k + l == n {
return true
}
}
}
}
}
// If no combination was found, return false
return false
}
// Example usage:
print(isEqualToSumEven(n: 4)) // Output: false
print(isEqualToSumEven(n: 6)) // Output: false
print(isEqualToSumEven(n: 8)) // Output: true
``` // XCTAssertTrue failedfunc specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```result *= factorial(i) // missing argument label 'n:' in callreturn n * factorial(n - 1) // missing argument label 'n:' in callfunc specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```result *= factorial(i) // missing argument label 'n:' in callreturn n * factorial(n - 1) // missing argument label 'n:' in callfunc specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```result *= factorial(i) // missing argument label 'n:' in callreturn n * factorial(n - 1) // missing argument label 'n:' in callfunc specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```result *= factorial(i) // missing argument label 'n:' in callreturn n * factorial(n - 1) // missing argument label 'n:' in callfunc specialFactorial(n: Int) -> Int {
if n <= 0 {
fatalError("Input must be a positive integer.")
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n <= 0 {
fatalError("Input must be a positive integer.")
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * specialFactorial(n: n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * specialFactorial(n: n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
``` // XCTAssertTrue failedfunc specialFactorial(n: Int) -> Int {
if n <= 0 {
return 1
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n <= 0 {
return 1
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
}
var result = 1
for i in 1...n {
result *= i
}
return result
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```result *= factorial(i) // missing argument label 'n:' in callfunc specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(n: i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n: n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(n: i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n: n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(n: i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n: n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
var result = 1
for i in 1...n {
result *= factorial(n: i)
}
return result
}
}
func factorial(n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n: n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```func specialFactorial(n: Int) -> Int {
if n <= 0 {
fatalError("Input must be a positive integer.")
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}```swift
// The Brazilian factorial is defined as:
// brazilian_factorial(n) = n! * (n-1)! * (n-2)! * ... * 1!
// where n > 0
// For example:
// The function will receive an integer as input and should return the special
// factorial of this integer.
// specialFactorial(n: 4) == 288
func specialFactorial(n: Int) -> Int {
if n <= 0 {
fatalError("Input must be a positive integer.")
}
var result = 1
for i in 1...n {
result *= factorial(i)
}
return result
}
func factorial(_ n: Int) -> Int {
if n == 0 {
return 1
} else {
return n * factorial(n - 1)
}
}
// Example usage:
print(specialFactorial(n: 4)) // Output: 288
```func fixSpaces(text: String) -> String {
var result = text.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = text.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: Example
print(fixSpaces(text: " Example 1")) // Output: Example_1
print(fixSpaces(text: " Example 2")) // Output: _Example_2
print(fixSpaces(text: " Example 3")) // Output: _Example-3
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: Example
print(fixSpaces(text: " Example 1")) // Output: Example_1
print(fixSpaces(text: " Example 2")) // Output: _Example_2
print(fixSpaces(text: " Example 3")) // Output: _Example-3
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 1 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 1 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: "Example"
print(fixSpaces(text: " Example 1")) // Output: "Example_1"
print(fixSpaces(text: " Example 2")) // Output: "_Example_2"
print(fixSpaces(text: " Example 3")) // Output: "_Example-3"
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = text
result = result.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = text
result = result.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = text.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = text.replacingOccurrences(of: " ", with: "_")
result = result.replacingOccurrences(of: "__", with: "-")
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: Example
print(fixSpaces(text: " Example 1")) // Output: Example_1
print(fixSpaces(text: " Example 2")) // Output: _Example_2
print(fixSpaces(text: " Example 3")) // Output: _Example-3
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: "Example"
print(fixSpaces(text: " Example 1")) // Output: "Example_1"
print(fixSpaces(text: " Example 2")) // Output: "_Example_2"
print(fixSpaces(text: " Example 3")) // Output: "_Example-3"
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces > 2 {
result += "-"
} else {
result += "_"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces > 2 {
result += "-"
} else {
result += "_"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: Example
print(fixSpaces(text: " Example 1")) // Output: Example_1
print(fixSpaces(text: " Example 2")) // Output: _Example_2
print(fixSpaces(text: " Example 3")) // Output: _Example-3
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: "Example"
print(fixSpaces(text: " Example 1")) // Output: "Example_1"
print(fixSpaces(text: " Example 2")) // Output: "_Example_2"
print(fixSpaces(text: " Example 3")) // Output: "_Example-3"
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: "Example"
print(fixSpaces(text: " Example 1")) // Output: "Example_1"
print(fixSpaces(text: " Example 2")) // Output: "_Example_2"
print(fixSpaces(text: " Example 3")) // Output: "_Example-3"
``` // XCTAssertTrue failedfunc fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}```swift
// Given a string text, replace all spaces in it with underscores,
// and if a string has more than 2 consecutive spaces,
// then replace all consecutive spaces with -
// fixSpaces(text: " Example") == "Example"
// fixSpaces(text: " Example 1") == "Example_1"
// fixSpaces(text: " Example 2") == "_Example_2"
// fixSpaces(text: " Example 3") == "_Example-3"
func fixSpaces(text: String) -> String {
var result = ""
var consecutiveSpaces = 0
for char in text {
if char == " " {
consecutiveSpaces += 1
if consecutiveSpaces == 1 {
result += "_"
} else if consecutiveSpaces > 2 {
result += "-"
}
} else {
consecutiveSpaces = 0
result += String(char)
}
}
return result
}
// Example usage:
print(fixSpaces(text: " Example")) // Output: "Example"
print(fixSpaces(text: " Example 1")) // Output: "Example_1"
print(fixSpaces(text: " Example 2")) // Output: "_Example_2"
print(fixSpaces(text: " Example 3")) // Output: "_Example-3"
``` // XCTAssertTrue failedfunc fileNameCheck(fileName: String) -> String {
// Your code here
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Your code here
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: Yes
print(fileNameCheck(fileName: "1example.dll")) // Output: No
```} // missing return in global function expected to return 'String'func fileNameCheck(fileName: String) -> String {
// Write your code here
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func fileNameCheck(fileName: String) -> String {
// Your code here
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func fileNameCheck(fileName: String) -> String {
// Your code here
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Your code here
}
// Test cases
print(fileNameCheck(fileName: "example.txt")) // Should print "Yes"
print(fileNameCheck(fileName: "1example.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe")) // Should print "Yes"
print(fileNameCheck(fileName: ".txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll")) // Should print "No"
print(fileNameCheck(fileName: "example.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe.dll.txt.exe} // missing return in global function expected to return 'String'func fileNameCheck(fileName: String) -> String {
// Your code here
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Your code here
}
```} // missing return in global function expected to return 'String'func fileNameCheck(fileName: String) -> String {
// Implement the function here
// Check if the file name contains more than three digits
if fileName.filter({ $0.isNumber }).count > 3 {
return "No"
}
// Check if the file name contains exactly one dot
if fileName.filter({ $0 == "." }).count != 1 {
return "No"
}
// Check if the substring before the dot starts with a letter from the latin alphabet
let parts = fileName.components(separatedBy: ".")
if parts.count != 2 || !parts[0].first?.isLetter ?? false {
return "No"
}
// Check if the substring after the dot is one of the allowed extensions
let allowedExtensions = ["txt", "exe", "dll"]
if !allowedExtensions.contains(parts[1]) {
return "No"
}
return "Yes"
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
// Implement the function here
// Check if the file name contains more than three digits
if fileName.filter({ $0.isNumber }).count > 3 {
return "No"
}
// Check if the file name contains exactly one dot
if fileName.filter({ $0 == "." }).count != 1 {
return "No"
}
// Check if the substring before the dot starts with a letter from the latin alphabet
let parts = fileName.components(separatedBy: ".")
if parts.count != 2 || !parts[0].first?.isLetter ?? false {
return "No"
}
// Check if the substring after the dot is one of the allowed extensions
let allowedExtensions = ["txt", "exe", "dll"]
if !allowedExtensions.contains(parts[1]) {
return "No"
}
return "Yes"
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: Yes
print(fileNameCheck(fileName: "1example.dll")) // Output: No
```if parts.count != 2 || !parts[0].first?.isLetter ?? false { // optional type 'Bool?' cannot be used as a boolean; test for '== nil' insteadfunc fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
guard fileNameComponents.count == 2 else { return "No" }
let fileNameWithoutExtension = fileNameComponents[0]
let fileExtension = fileNameComponents[1]
let validExtensions = ["txt", "exe", "dll"]
guard validExtensions.contains(fileExtension) else { return "No" }
let digitsCount = fileNameWithoutExtension.filter { $0.isNumber }.count
guard digitsCount <= 3 else { return "No" }
let firstCharacter = fileNameWithoutExtension.first
guard firstCharacter?.isLetter == true else { return "No" }
return "Yes"
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
guard fileNameComponents.count == 2 else { return "No" }
let fileNameWithoutExtension = fileNameComponents[0]
let fileExtension = fileNameComponents[1]
let validExtensions = ["txt", "exe", "dll"]
guard validExtensions.contains(fileExtension) else { return "No" }
let digitsCount = fileNameWithoutExtension.filter { $0.isNumber }.count
guard digitsCount <= 3 else { return "No" }
let firstCharacter = fileNameWithoutExtension.first
guard firstCharacter?.isLetter == true else { return "No" }
return "Yes"
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: "Yes"
print(fileNameCheck(fileName: "1example.dll")) // Output: "No"
print(fileNameCheck(fileName: "valid_name_123.exe")) // Output: "Yes"
print(fileNameCheck(fileName: ".txt")) // Output: "No"
print(fileNameCheck(fileName: "example..txt")) // Output: "No"
print(fileNameCheck(fileName: "example.txt.exe")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890123")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901234")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012345")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890123456")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901234567")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012345678")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890123456789")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901234567890")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012345678901")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890123456789012")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901234567890123")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012345678901234")) // Output: "No"
print(fileNameCheck(fileName: "example.txt1234567890123456789012345")) // Output: "No"
print(fileNameCheck(fileName: "example.txt12345678901234567890123456")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789012345678901234567")) // Output: "No"
print(fileNameCheck(fileName: "example.txt123456789func fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
if fileNameComponents.count != 2 {
return "No"
}
let fileNameBeforeDot = fileNameComponents[0]
let fileNameAfterDot = fileNameComponents[1]
if fileNameBeforeDot.count == 0 || !fileNameBeforeDot.first!.isLetter {
return "No"
}
if !["txt", "exe", "dll"].contains(fileNameAfterDot) {
return "No"
}
if fileNameBeforeDot.filter({ $0.isNumber }).count > 3 {
return "No"
}
return "Yes"
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
if fileNameComponents.count != 2 {
return "No"
}
let fileNameBeforeDot = fileNameComponents[0]
let fileNameAfterDot = fileNameComponents[1]
if fileNameBeforeDot.count == 0 || !fileNameBeforeDot.first!.isLetter {
return "No"
}
if !["txt", "exe", "dll"].contains(fileNameAfterDot) {
return "No"
}
if fileNameBeforeDot.filter({ $0.isNumber }).count > 3 {
return "No"
}
return "Yes"
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: Yes
print(fileNameCheck(fileName: "1example.dll")) // Output: No
print(fileNameCheck(fileName: "valid_name.exe")) // Output: Yes
print(fileNameCheck(fileName: ".invalid")) // Output: No
print(fileNameCheck(fileName: "invalid.")) // Output: No
print(fileNameCheck(fileName: "invalid..txt")) // Output: No
print(fileNameCheck(fileName: "invalid.txt.exe")) // Output: No
print(fileNameCheck(fileName: "valid_name_123.exe")) // Output: Yes
print(fileNameCheck(fileName: "valid_name_1234.exe")) // Output: No
```func fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
if fileNameComponents.count != 2 {
return "No"
}
let fileNameBeforeDot = fileNameComponents[0]
let fileNameAfterDot = fileNameComponents[1]
if fileNameBeforeDot.count == 0 || !fileNameBeforeDot.first!.isLetter {
return "No"
}
if fileNameAfterDot != "txt" && fileNameAfterDot != "exe" && fileNameAfterDot != "dll" {
return "No"
}
let digitsCount = fileNameBeforeDot.filter { $0.isNumber }.count
if digitsCount > 3 {
return "No"
}
return "Yes"
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
let fileNameComponents = fileName.components(separatedBy: ".")
if fileNameComponents.count != 2 {
return "No"
}
let fileNameBeforeDot = fileNameComponents[0]
let fileNameAfterDot = fileNameComponents[1]
if fileNameBeforeDot.count == 0 || !fileNameBeforeDot.first!.isLetter {
return "No"
}
if fileNameAfterDot != "txt" && fileNameAfterDot != "exe" && fileNameAfterDot != "dll" {
return "No"
}
let digitsCount = fileNameBeforeDot.filter { $0.isNumber }.count
if digitsCount > 3 {
return "No"
}
return "Yes"
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: Yes
print(fileNameCheck(fileName: "1example.dll")) // Output: No
print(fileNameCheck(fileName: "valid_name.exe")) // Output: Yes
print(fileNameCheck(fileName: ".txt")) // Output: No
print(fileNameCheck(fileName: "no_extension")) // Output: No
print(fileNameCheck(fileName: "too_many_digits.12345")) // Output: No
```func fileNameCheck(fileName: String) -> String {
let pattern = #"^[a-zA-Z][a-zA-Z0-9]*\.[a-zA-Z]{3}$"#
let regex = try! NSRegularExpression(pattern: pattern)
let range = NSRange(fileName.startIndex..<fileName.endIndex, in: fileName)
if regex.firstMatch(in: fileName, options: [], range: range) != nil {
return "Yes"
} else {
return "No"
}
}```swift
// Create a function which takes a string representing a file's name, and returns
// 'Yes' if the the file's name is valid, and returns 'No' otherwise.
// A file's name is considered to be valid if and only if all the following conditions
// are met:
// - There should not be more than three digits ('0'-'9') in the file's name.
// - The file's name contains exactly one dot '.'
// - The substring before the dot should not be empty, and it starts with a letter from
// the latin alphapet ('a'-'z' and 'A'-'Z').
// - The substring after the dot should be one of these: ['txt', 'exe', 'dll']
// Examples:
// fileNameCheck(fileName: "example.txt") == "Yes"
// fileNameCheck(fileName: "1example.dll") == "No"
func fileNameCheck(fileName: String) -> String {
let pattern = #"^[a-zA-Z][a-zA-Z0-9]*\.[a-zA-Z]{3}$"#
let regex = try! NSRegularExpression(pattern: pattern)
let range = NSRange(fileName.startIndex..<fileName.endIndex, in: fileName)
if regex.firstMatch(in: fileName, options: [], range: range) != nil {
return "Yes"
} else {
return "No"
}
}
// Example usage:
print(fileNameCheck(fileName: "example.txt")) // Output: Yes
print(fileNameCheck(fileName: "1example.dll")) // Output: No
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
}
```} // missing return in global function expected to return 'String'func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}```swift
// You are given a string representing a sentence,
// the sentence contains some words separated by a space,
// and you have to return a string that contains the words from the original sentence,
// whose lengths are prime numbers,
// the order of the words in the new string should be the same as the original one.
// Example 1:
// Example 2:
// Constraints:
// * 1 <= len(sentence) <= 100
// * sentence contains only letters
// wordsInSentence(sentence: "This is a test") == "is"
// wordsInSentence(sentence: "lets go for swimming") == "go for"
func wordsInSentence(sentence: String) -> String {
// Write your code here
return ""
}
``` // XCTAssertTrue failedfunc simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let xMultiplied = xNumerator * nDenominator
let nMultiplied = nNumerator * xDenominator
return xMultiplied == nMultiplied
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let xMultiplied = xNumerator * nDenominator
let nMultiplied = nNumerator * xDenominator
return xMultiplied == nMultiplied
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
``` // XCTAssertTrue failedfunc simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Should return true
print(simplify(x: "1/6", n: "2/1")) // Should return false
print(simplify(x: "7/10", n: "10/2")) // Should return false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xParts = x.split(separator: "/")
let nParts = n.split(separator: "/")
let xNumerator = Int(xParts[0])!
let xDenominator = Int(xParts[1])!
let nNumerator = Int(nParts[0])!
let nDenominator = Int(nParts[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xParts = x.split(separator: "/")
let nParts = n.split(separator: "/")
let xNumerator = Int(xParts[0])!
let xDenominator = Int(xParts[1])!
let nNumerator = Int(nParts[0])!
let nDenominator = Int(nParts[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.split(separator: "/")
let nFraction = n.split(separator: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.split(separator: "/")
let nFraction = n.split(separator: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let productNumerator = xNumerator * nNumerator
let productDenominator = xDenominator * nDenominator
return productNumerator % productDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Output: true
print(simplify(x: "1/6", n: "2/1")) // Output: false
print(simplify(x: "7/10", n: "10/2")) // Output: false
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let simplifiedNumerator = xNumerator * nNumerator
let simplifiedDenominator = xDenominator * nDenominator
return simplifiedNumerator % simplifiedDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let simplifiedNumerator = xNumerator * nNumerator
let simplifiedDenominator = xDenominator * nDenominator
return simplifiedNumerator % simplifiedDenominator == 0
}
```func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}```swift
// Your task is to implement a function that will simplify the expression
// x * n. The function returns true if x * n evaluates to a whole number and false
// otherwise. Both x and n, are string representation of a fraction, and have the following format,
// <numerator>/<denominator> where both numerator and denominator are positive whole numbers.
// You can assume that x, and n are valid fractions, and do not have zero as denominator.
// simplify(x: "1/5", n: "5/1") == true
// simplify(x: "1/6", n: "2/1") == false
// simplify(x: "7/10", n: "10/2") == false
func simplify(x: String, n: String) -> Bool {
let xFraction = x.components(separatedBy: "/")
let nFraction = n.components(separatedBy: "/")
let xNumerator = Int(xFraction[0])!
let xDenominator = Int(xFraction[1])!
let nNumerator = Int(nFraction[0])!
let nDenominator = Int(nFraction[1])!
let resultNumerator = xNumerator * nNumerator
let resultDenominator = xDenominator * nDenominator
return resultNumerator % resultDenominator == 0
}
// Example usage:
print(simplify(x: "1/5", n: "5/1")) // Should return true
print(simplify(x: "1/6", n: "2/1")) // Should return false
print(simplify(x: "7/10", n: "10/2")) // Should return false
```func orderByPoints(nums: [Int]) -> [Int] {
// your code here
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// your code here
}
```} // missing return in global function expected to return '[Int]'func orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}
// Test cases
assert(orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11])
assert(orderByPoints(nums: [] as [Int]) == [] as [Int])
assert(orderByPoints(nums: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
assert(orderByPoints(nums: [-1, -11, -12]) == [-1, -11, -12])
assert(orderByPoints(nums: [-1, -11, -12, -13]) == [-1, -11, -12, -13])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14]) == [-1, -11, -12, -13, -14])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15]) == [-1, -11, -12, -13, -14, -15])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16]) == [-1, -11, -12, -13, -14, -15, -16])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17]) == [-1, -11, -12, -13, -14, -15, -16, -17])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24]) == [-1, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24])
assert(orderByPoints(nums: [-1, -11, -12, -13, -14, -15, -16, -17,} // missing return in global function expected to return '[Int]'func orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}
```} // missing return in global function expected to return '[Int]'func orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
}
// Test cases
assert(orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11])
assert(orderByPoints(nums: []) == [])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, } // missing return in global function expected to return '[Int]'func orderByPoints(nums: [Int]) -> [Int] {
// Your code goes here
return []
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Your code goes here
return []
}
``` // XCTAssertTrue failedfunc orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
return []
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
return []
}
``` // XCTAssertTrue failedfunc orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Your code here
}
```} // missing return in global function expected to return '[Int]'func orderByPoints(nums: [Int]) -> [Int] {
// Your code goes here
return []
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Your code goes here
return []
}
// Test cases
assert(orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11])
assert(orderByPoints(nums: [] as [Int]) == [] as [Int])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17])
assert(orderByPoints(nums: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]) == [0, 1, 2, 3, 4, 5, 6, // XCTAssertTrue failedfunc orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
return []
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// Implement your solution here
return []
}
``` // XCTAssertTrue failedfunc orderByPoints(nums: [Int]) -> [Int] {
// TODO: Write your code here
return []
}```swift
// Write a function which sorts the given array of integers
// in ascending order according to the sum of their digits.
// Note: if there are several items with similar sum of their digits,
// order them based on their index in original array.
// For example:
// orderByPoints(nums: [1, 11, -1, -11, -12]) == [-1, -11, 1, -12, 11]
// orderByPoints(nums: [] as [Int]) == [] as [Int]
func orderByPoints(nums: [Int]) -> [Int] {
// TODO: Write your code here
return []
}
``` // XCTAssertTrue failedfunc specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first!))!
let lastDigit = Int(String(strNum.last!))!
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first!))!
let lastDigit = Int(String(strNum.last!))!
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = abs(num) / 10
let lastDigit = abs(num) % 10
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = abs(num) / 10
let lastDigit = abs(num) % 10
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // XCTAssertTrue failedfunc specialFilter(nums: [Int]) -> Int {
let filteredNumbers = nums.filter { num in
let firstDigit = String(num).first!
let lastDigit = String(num).last!
return num > 10 && firstDigit.wholeNumberValue! % 2 == 1 && lastDigit.wholeNumberValue! % 2 == 1
}
return filteredNumbers.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNumbers = nums.filter { num in
let firstDigit = String(num).first!
let lastDigit = String(num).last!
return num > 10 && firstDigit.wholeNumberValue! % 2 == 1 && lastDigit.wholeNumberValue! % 2 == 1
}
return filteredNumbers.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
```func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = String(num).first!
let lastDigit = String(num).last!
return num > 10 && firstDigit.wholeNumberValue! % 2 == 1 && lastDigit.wholeNumberValue! % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = String(num).first!
let lastDigit = String(num).last!
return num > 10 && firstDigit.wholeNumberValue! % 2 == 1 && lastDigit.wholeNumberValue! % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
```func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = String(num).first!.wholeNumberValue!
let lastDigit = String(num).last!.wholeNumberValue!
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let firstDigit = String(num).first!.wholeNumberValue!
let lastDigit = String(num).last!.wholeNumberValue!
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0"))!
let lastDigit = Int(String(strNum.last ?? "0"))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0"))!
let lastDigit = Int(String(strNum.last ?? "0"))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc specialFilter(nums: [Int]) -> Int {
let filteredNumbers = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0"))!
let lastDigit = Int(String(strNum.last ?? "0"))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNumbers.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNumbers = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0"))!
let lastDigit = Int(String(strNum.last ?? "0"))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNumbers.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first!))!
let lastDigit = Int(String(strNum.last!))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first!))!
let lastDigit = Int(String(strNum.last!))!
return num > 10 && firstDigit % 2 != 0 && lastDigit % 2 != 0
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valuefunc specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0")) ?? 0
let lastDigit = Int(String(strNum.last ?? "0")) ?? 0
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0")) ?? 0
let lastDigit = Int(String(strNum.last ?? "0")) ?? 0
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
```func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0")) ?? 0
let lastDigit = Int(String(strNum.last ?? "0")) ?? 0
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}```swift
// Write a function that takes an array of numbers as input and returns
// the number of elements in the array that are greater than 10 and both
// first and last digits of a number are odd (1, 3, 5, 7, 9).
// For example:
// specialFilter(nums: [15, -73, 14, -15]) == 1
// specialFilter(nums: [33, -2, -3, 45, 21, 109]) == 2
func specialFilter(nums: [Int]) -> Int {
let filteredNums = nums.filter { num in
let strNum = String(num)
let firstDigit = Int(String(strNum.first ?? "0")) ?? 0
let lastDigit = Int(String(strNum.last ?? "0")) ?? 0
return num > 10 && firstDigit % 2 == 1 && lastDigit % 2 == 1
}
return filteredNums.count
}
// Example usage:
print(specialFilter(nums: [15, -73, 14, -15])) // Output: 1
print(specialFilter(nums: [33, -2, -3, 45, 21, 109])) // Output: 2
```func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1...n {
for j in i + 1...n {
for k in j + 1...n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1...n {
for j in i + 1...n {
for k in j + 1...n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // Fatal error: Range requires lowerBound <= upperBoundfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
print(getMaxTriples(n: 5)) // Output: 1
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1...n {
for j in i + 1...n {
for k in j + 1...n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1...n {
for j in i + 1...n {
for k in j + 1...n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
// Example usage:
print(getMaxTriples(n: 5)) // Output: 1
``` // Fatal error: Range requires lowerBound <= upperBoundfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}```swift
// You are given a positive integer n. You have to create an integer array a of length n.
// For each i (1 ≤ i ≤ n), the value of a[i] = i * i - i + 1.
// Return the number of triples (a[i], a[j], a[k]) of a where i < j < k,
// and a[i] + a[j] + a[k] is a multiple of 3.
// Example :
// Explanation:
// a = [1, 3, 7, 13, 21]
// The only valid triple is (1, 7, 13).
// getMaxTriples(n: 5) == 1
func getMaxTriples(n: Int) -> Int {
var count = 0
for i in 1..<n {
for j in i+1..<n {
for k in j+1..<n {
if (i * i - i + 1 + j * j - j + 1 + k * k - k + 1) % 3 == 0 {
count += 1
}
}
}
}
return count
}
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Your code here
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
}
```} // missing return in global function expected to return '[String]'func sortedListSum(lst: [String]) -> [String] {
// Your code here
return lst.sorted { $0.count < $1.count }
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
return lst.sorted { $0.count < $1.count }
}
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Sort the array by length, and then alphabetically
let sortedArray = lst.sorted { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
// Filter out the strings with odd lengths
let filteredArray = sortedArray.filter { $0.count % 2 == 0 }
return filteredArray
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Sort the array by length, and then alphabetically
let sortedArray = lst.sorted { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
// Filter out the strings with odd lengths
let filteredArray = sortedArray.filter { $0.count % 2 == 0 }
return filteredArray
}
// Example usage:
print(sortedListSum(lst: ["aa", "a", "aaa"])) // Output: ["aa"]
print(sortedListSum(lst: ["ab", "a", "aaa", "cd"])) // Output: ["ab", "cd"]
```func sortedListSum(lst: [String]) -> [String] {
// Your code here
var result = [String]()
for word in lst {
if word.count % 2 == 0 {
result.append(word)
}
}
result.sort()
return result
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
var result = [String]()
for word in lst {
if word.count % 2 == 0 {
result.append(word)
}
}
result.sort()
return result
}
sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa"]) == ["ab", "aa", "cd"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab"]) == ["ab", "ab", "aa", "cd"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a"]) == ["ab", "ab", "aa", "cd"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa"]) == ["ab", "ab", "aa", "cd"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a", "aa", "ab", "a"]) == ["ab", "ab", "ab", "aa"]
sortedListSum(lst: ["ab", "a", "aaa", "cd", "aa", "ab", " // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Your code here
var sortedList = lst.sorted { $0.count < $1.count }
sortedList.removeAll(where: { $0.count % 2 != 0 })
return sortedList.sorted()
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
var sortedList = lst.sorted { $0.count < $1.count }
sortedList.removeAll(where: { $0.count % 2 != 0 })
return sortedList.sorted()
}
// Example usage:
print(sortedListSum(lst: ["aa", "a", "aaa"])) // Output: ["aa"]
print(sortedListSum(lst: ["ab", "a", "aaa", "cd"])) // Output: ["ab", "cd"]
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Your code here
return []
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
return []
}
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Write your code here
return lst.sorted { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Write your code here
return lst.sorted { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
}
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Write your code here
var result = lst.filter { $0.count % 2 == 0 }
result.sort { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
return result
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Write your code here
var result = lst.filter { $0.count % 2 == 0 }
result.sort { $0.count < $1.count || ($0.count == $1.count && $0 < $1) }
return result
}
```func sortedListSum(lst: [String]) -> [String] {
// Your code here
var sortedList = lst.sorted { $0.count < $1.count }
sortedList.removeAll { $0.count % 2 != 0 }
return sortedList
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
var sortedList = lst.sorted { $0.count < $1.count }
sortedList.removeAll { $0.count % 2 != 0 }
return sortedList
}
``` // XCTAssertTrue failedfunc sortedListSum(lst: [String]) -> [String] {
// Your code here
return lst.filter { $0.count % 2 == 0 }.sorted { $0.count < $1.count }
}```swift
// Write a function that accepts an array of strings as a parameter,
// deletes the strings that have odd lengths from it,
// and returns the resulted array with a sorted order,
// The array is always an array of strings and never an array of numbers,
// and it may contain duplicates.
// The order of the array should be ascending by length of each word, and you
// should return the array sorted by that rule.
// If two words have the same length, sort the array alphabetically.
// The function should return an array of strings in sorted order.
// You may assume that all words will have the same length.
// For example:
// sortedListSum(lst: ["aa", "a", "aaa"]) == ["aa"]
// sortedListSum(lst: ["ab", "a", "aaa", "cd"]) == ["ab", "cd"]
func sortedListSum(lst: [String]) -> [String] {
// Your code here
return lst.filter { $0.count % 2 == 0 }.sorted { $0.count < $1.count }
}
// Example usage:
print(sortedListSum(lst: ["aa", "a", "aaa"])) // Output: ["aa"]
print(sortedListSum(lst: ["ab", "a", "aaa", "cd"])) // Output: ["ab", "cd"]
``` // XCTAssertTrue failedfunc xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```if isPrime(n) { // missing argument label 'n:' in callfunc xOrY(n: Int, x: Int, y: Int) -> Int {
// Write your code here
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
for i in 2..<n {
if n % i == 0 {
return false
}
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
// Write your code here
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
for i in 2..<n {
if n % i == 0 {
return false
}
}
return true
}
// Test cases
print(xOrY(n: 7, x: 34, y: 12) == 34) // true
print(xOrY(n: 15, x: 8, y: 5) == 5) // true
print(xOrY(n: 1, x: 34, y: 12) == 12) // true
print(xOrY(n: 2, x: 34, y: 12) == 34) // true
print(xOrY(n: 3, x: 34, y: 12) == 34) // true
print(xOrY(n: 4, x: 34, y: 12) == 12) // true
print(xOrY(n: 5, x: 34, y: 12) == 34) // true
print(xOrY(n: 6, x: 34, y: 12) == 12) // true
print(xOrY(n: 7, x: 34, y: 12) == 34) // true
print(xOrY(n: 8, x: 34, y: 12) == 12) // true
print(xOrY(n: 9, x: 34, y: 12) == 12) // true
print(xOrY(n: 10, x: 34, y: 12) == 12) // true
print(xOrY(n: 11, x: 34, y: 12) == 34) // true
print(xOrY(n: 12, x: 34, y: 12) == 12) // true
print(xOrY(n: 13, x: 34, y: 12) == 34) // true
print(xOrY(n: 14, x: 34, y: 12) == 12) // true
print(xOrY(n: 15, x: 34, y: 12) == 5) // true
print(xOrY(n: 16, x: 34, y: 12) == 12) // true
print(xOrY(n: 17, x: 34, y: 12) == 34) // true
print(xOrY(n: 18, x: 34, y: 12) == 12) // true
print(xOrY(n: 19, x: 34, y: 12) == 34) // true
print(xOrY(n: 20, x: 34, y: 12) == 12) // true
print(xOrY(n: 21, x: 34, y: 12) == 12) // true
print(xOrY(n: 22, x: 34, y: 12) == 12) // true
print(xOrY(n: 23, x: 34, y: 12) == 34) // true
print(xOrY(n: 24, x: 34, y: 12) == 12) // true
print(xOrY(n: 25, x: 34, y: 12) == 12) // true
print(xOrY(n: 26, x: 34, y: 12) == 12) // true
print(xOrY(n: 27, x: 34, y: 12) == 12) // true
print(xOrY(n: 28, x: 34, y: 12) == 12) // true
print(xOrY(n: 29, x: 34, y: 12) == 34) // true
print(xOrY(n: 30, x: 34, y: 12) == 12) // true
print(xOrY(n: 31, x: 34, y:if isPrime(n) { // missing argument label 'n:' in callfunc xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Unit tests for the xOrY function
assert(xOrY(n: 7, x: 34, y: 12) == 34, "Test case 1 failed")
assert(xOrY(n: 15, x: 8, y: 5) == 5, "Test case 2 failed")
assert(xOrY(n: 2, x: 1, y: 0) == 1, "Test case 3 failed")
assert(xOrY(n: 1, x: 2, y: 3) == 3, "Test case 4 failed")
assert(xOrY(n: 29, x: 100, y: 50) == 100, "Test case 5 failed")
print("All test cases passed!")
```if isPrime(n) { // missing argument label 'n:' in callfunc xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
// Check if a number is prime
func isPrime(n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```if isPrime(n) { // missing argument label 'n:' in callfunc xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
// Helper function to check if a number is prime
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```func xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
if isPrime(n) {
return x
} else {
return y
}
}
// Check if a number is prime
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
// Check if a number is prime
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
let result1 = xOrY(n: 7, x: 34, y: 12) // Should return 34
let result2 = xOrY(n: 15, x: 8, y: 5) // Should return 5
print("Result 1: \(result1)") // Output: Result 1: 34
print("Result 2: \(result2)") // Output: Result 2: 5
```func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
// Check if a number is prime
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage:
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```func xOrY(n: Int, x: Int, y: Int) -> Int {
var isPrime = true
for i in 2..<n {
if n % i == 0 {
isPrime = false
break
}
}
if isPrime {
return x
} else {
return y
}
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
var isPrime = true
for i in 2..<n {
if n % i == 0 {
isPrime = false
break
}
}
if isPrime {
return x
} else {
return y
}
}
``` // Fatal error: Range requires lowerBound <= upperBoundfunc xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}```swift
// A simple program which should return the value of x if n is
// a prime number and should return the value of y otherwise.
// Examples:
// xOrY(n: 7, x: 34, y: 12) == 34
// xOrY(n: 15, x: 8, y: 5) == 5
func xOrY(n: Int, x: Int, y: Int) -> Int {
// Check if n is a prime number
if isPrime(n) {
return x
} else {
return y
}
}
// Check if a number is prime
func isPrime(_ n: Int) -> Bool {
if n <= 1 {
return false
}
if n <= 3 {
return true
}
if n % 2 == 0 || n % 3 == 0 {
return false
}
var i = 5
while i * i <= n {
if n % i == 0 || n % (i + 2) == 0 {
return false
}
i += 6
}
return true
}
// Example usage
print(xOrY(n: 7, x: 34, y: 12)) // Output: 34
print(xOrY(n: 15, x: 8, y: 5)) // Output: 5
```func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num > 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num > 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
return lst
.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }
.map { Int($0 * $0) }
.reduce(0, +)
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst
.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }
.map { Int($0 * $0) }
.reduce(0, +)
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
return lst
.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }
.map { Int($0 * $0) }
.reduce(0, +)
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst
.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }
.map { Int($0 * $0) }
.reduce(0, +)
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (result, number) in
if number.truncatingRemainder(dividingBy: 2) == 1 && number >= 0 {
return result + Int(number * number)
} else {
return result
}
}
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (result, number) in
if number.truncatingRemainder(dividingBy: 2) == 1 && number >= 0 {
return result + Int(number * number)
} else {
return result
}
}
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
let oddSquares = lst.filter { $0.truncatingRemainder(dividingBy: 2) == 1 && $0 >= 0 }.map { Int($0 * $0) }
return oddSquares.reduce(0, +)
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (result, number) in
if number.truncatingRemainder(dividingBy: 2) != 0 && number > 0 {
return result + Int(number * number)
} else {
return result
}
}
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (result, number) in
if number.truncatingRemainder(dividingBy: 2) != 0 && number > 0 {
return result + Int(number * number)
} else {
return result
}
}
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num >= 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
return lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num >= 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func doubleTheDifference(lst: [Double]) -> Int {
lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num >= 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}```swift
// Given an array of numbers, return the sum of squares of the numbers
// in the array that are odd. Ignore numbers that are negative or not integers.
// If the input array is empty, return 0.
// doubleTheDifference(lst: [1, 3, 2, 0]) == 10
// doubleTheDifference(lst: [-1, -2, 0]) == 0
// doubleTheDifference(lst: [9, -2]) == 81
// doubleTheDifference(lst: [0]) == 0
func doubleTheDifference(lst: [Double]) -> Int {
lst.reduce(0) { (sum, num) in
if num.truncatingRemainder(dividingBy: 2) == 1 && num >= 0 {
return sum + Int(num * num)
} else {
return sum
}
}
}
// Example usage:
print(doubleTheDifference(lst: [1, 3, 2, 0])) // Output: 10
print(doubleTheDifference(lst: [-1, -2, 0])) // Output: 0
print(doubleTheDifference(lst: [9, -2])) // Output: 81
print(doubleTheDifference(lst: [0])) // Output: 0
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for (index, score) in game.enumerated() {
let guessValue = guess[index]
if score == guessValue {
result.append(0)
} else {
result.append(abs(score - guessValue))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for (index, score) in game.enumerated() {
let guessValue = guess[index]
if score == guessValue {
result.append(0)
} else {
result.append(abs(score - guessValue))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result: [Int] = []
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result: [Int] = []
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
result.append(abs(game[i] - guess[i]))
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
result.append(abs(game[i] - guess[i]))
}
return result
}
```func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}```swift
// I think we all remember that feeling when the result of some long-awaited
// event is finally known. The feelings and thoughts you have at that moment are
// definitely worth noting down and comparing.
// Your task is to determine if a person correctly guessed the results of a number of matches.
// You are given two arrays of scores and guesses of equal length, where each index shows a match.
// Return an array of the same length denoting how far off each guess was. If they have guessed correctly,
// the value is 0, and if not, the value is the absolute difference between the guess and the score.
// example:
// compare(game: [1, 2, 3, 4, 5, 1], guess: [1, 2, 3, 4, 2, -2]) == [0, 0, 0, 0, 3, 3]
// compare(game: [0, 5, 0, 0, 0, 4], guess: [4, 1, 1, 0, 0, -2]) == [4, 4, 1, 0, 0, 6]
func compare(game: [Int], guess: [Int]) -> [Int] {
var result = [Int]()
for i in 0..<game.count {
if game[i] == guess[i] {
result.append(0)
} else {
result.append(abs(game[i] - guess[i]))
}
}
return result
}
```func Strongest_Extension(className: String, extensions: [String]) -> String {
// Write your code here
var maxStrength = 0
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
// Write your code here
var maxStrength = 0
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}
```for extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected patternfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionlet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionsmaxStrengthExtension = extension // declaration is only valid at file scopemaxStrengthExtension = extension // expected '{' in extensionmaxStrengthExtension = extension // expected expression in assignment} // expected type name in extension declarationlet uppercaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet uppercaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet uppercaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let uppercaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let uppercaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='let lowercaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowercaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowercaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationreturn uppercaseCount - lowercaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var strongestExtension = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
strongestExtension = extension
}
}
return "\(className).\(strongestExtension)"
}
func calculateStrength(extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var strongestExtension = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
strongestExtension = extension
}
}
return "\(className).\(strongestExtension)"
}
func calculateStrength(extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionstrongestExtension = extension // expected expression in assignmentstrongestExtension = extension // expected '{' in extensionstrongestExtension = extension // declaration is only valid at file scope} // expected type name in extension declarationlet uppercaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let uppercaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet uppercaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet uppercaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let uppercaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowercaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='let lowercaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowercaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'return uppercaseCount - lowercaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = -1
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(_ extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = -1
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(_ extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension) // expected type name in extension declarationlet strength = calculateStrength(extension) // declaration is only valid at file scopelet strength = calculateStrength(extension) // missing argument for parameter #1 in calllet strength = calculateStrength(extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension) // expected expression in list of expressionslet strength = calculateStrength(extension) // expected '{' in extensionmaxStrengthExtension = extension // expected expression in assignmentmaxStrengthExtension = extension // expected '{' in extensionmaxStrengthExtension = extension // declaration is only valid at file scope} // expected type name in extension declarationlet upperCaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let upperCaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let upperCaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet upperCaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet upperCaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowerCaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowerCaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='return upperCaseCount - lowerCaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
// Write your code here
var result = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(extension: String) -> Int {
var upperCount = 0
var lowerCount = 0
for char in extension {
if char.isUppercase {
upperCount += 1
} else if char.isLowercase {
lowerCount += 1
}
}
return upperCount - lowerCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
// Write your code here
var result = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(extension: String) -> Int {
var upperCount = 0
var lowerCount = 0
for char in extension {
if char.isUppercase {
upperCount += 1
} else if char.isLowercase {
lowerCount += 1
}
}
return upperCount - lowerCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: my_class.AA
```for extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected patternfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // expected '{' in extensionresult = "\(className).\(extension)" // expected expression in list of expressionsfor char in extension { // expected '{' to start the body of for-each loopfor char in extension { // expected Sequence expression for for-each loopfunc Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = calculateStrength(extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(_ extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = calculateStrength(extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(_ extension: String) -> Int {
let uppercaseCount = extension.filter { $0.isUppercase }.count
let lowercaseCount = extension.filter { $0.isLowercase }.count
return uppercaseCount - lowercaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension) // expected type name in extension declarationlet strength = calculateStrength(extension) // declaration is only valid at file scopelet strength = calculateStrength(extension) // missing argument for parameter #1 in calllet strength = calculateStrength(extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension) // expected expression in list of expressionslet strength = calculateStrength(extension) // expected '{' in extensionresult = "\(className).\(extension)" // expected expression in list of expressionslet uppercaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let uppercaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet uppercaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet uppercaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let uppercaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowercaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowercaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='let lowercaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowercaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationreturn uppercaseCount - lowercaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = 0
var maxExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxExtension = extension
}
}
return "\(className).\(maxExtension)"
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = 0
var maxExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxExtension = extension
}
}
return "\(className).\(maxExtension)"
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionmaxExtension = extension // expected expression in assignmentmaxExtension = extension // declaration is only valid at file scopemaxExtension = extension // expected '{' in extension} // expected type name in extension declarationlet upperCaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let upperCaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let upperCaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet upperCaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet upperCaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowerCaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowerCaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='return upperCaseCount - lowerCaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = className + "." + extension
}
}
return result
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = -1
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = className + "." + extension
}
}
return result
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionresult = className + "." + extension // declaration is only valid at file scoperesult = className + "." + extension // expected '{' in extensionresult = className + "." + extension // expected expression after operator} // expected type name in extension declarationlet upperCaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let upperCaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let upperCaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet upperCaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet upperCaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowerCaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowerCaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='return upperCaseCount - lowerCaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}
// Example usage:
let className = "Slices"
let extensions = ["SErviNGSliCes", "Cheese", "StuFfed"]
let strongestExtension = Strongest_Extension(className: className, extensions: extensions)
print(strongestExtension) // Output: Slices.SErviNGSliCes
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionresult = "\(className).\(extension)" // expected expression in list of expressionslet upperCaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let upperCaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let upperCaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet upperCaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet upperCaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowerCaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowerCaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='return upperCaseCount - lowerCaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var result = ""
var maxStrength = 0
for extension in extensions {
let strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count
if strength > maxStrength {
maxStrength = strength
result = "\(className).\(extension)"
}
}
return result
}
```for extension in extensions { // expected patternfor extension in extensions { // expected '{' to start the body of for-each loopfor extension in extensions { // expected Sequence expression for for-each looplet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // expected '{' in extensionlet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // expected initial value after '='let strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // expected '{' in extensionlet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet strength = extension.filter { $0.isUppercase }.count - extension.filter { $0.isLowercase }.count // expected type name in extension declarationresult = "\(className).\(extension)" // expected expression in list of expressionsfunc Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = -1
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}```swift
// You will be given the name of a class (a string) and an array of extensions.
// The extensions are to be used to load additional classes to the class. The
// strength of the extension is as follows: Let CAP be the number of the uppercase
// letters in the extension's name, and let SM be the number of lowercase letters
// in the extension's name, the strength is given by the fraction CAP - SM.
// You should find the strongest extension and return a string in this
// format: ClassName.StrongestExtensionName.
// If there are two or more extensions with the same strength, you should
// choose the one that comes first in the array.
// For example, if you are given "Slices" as the class and an array of the
// extensions: ['SErviNGSliCes', 'Cheese', 'StuFfed'] then you should
// return 'Slices.SErviNGSliCes' since 'SErviNGSliCes' is the strongest extension
// (its strength is -1).
// Example:
// Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"]) == "my_class.AA"
func Strongest_Extension(className: String, extensions: [String]) -> String {
var maxStrength = -1
var maxStrengthExtension = ""
for extension in extensions {
let strength = calculateStrength(extension: extension)
if strength > maxStrength {
maxStrength = strength
maxStrengthExtension = extension
}
}
return "\(className).\(maxStrengthExtension)"
}
func calculateStrength(extension: String) -> Int {
let upperCaseCount = extension.filter { $0.isUppercase }.count
let lowerCaseCount = extension.filter { $0.isLowercase }.count
return upperCaseCount - lowerCaseCount
}
// Example usage:
print(Strongest_Extension(className: "Slices", extensions: ["SErviNGSliCes", "Cheese", "StuFfed"])) // Output: Slices.SErviNGSliCes
print(Strongest_Extension(className: "myClass", extensions: ["AA", "Be", "CC"])) // Output: myClass.AA
```for extension in extensions { // expected patternfor extension in extensions { // expected Sequence expression for for-each loopfor extension in extensions { // expected '{' to start the body of for-each looplet strength = calculateStrength(extension: extension) // expected type name in extension declarationlet strength = calculateStrength(extension: extension) // missing argument for parameter 'extension' in calllet strength = calculateStrength(extension: extension) // expected expression in list of expressionslet strength = calculateStrength(extension: extension) // consecutive statements on a line must be separated by ';'let strength = calculateStrength(extension: extension) // declaration is only valid at file scopelet strength = calculateStrength(extension: extension) // expected '{' in extensionmaxStrengthExtension = extension // expected expression in assignmentmaxStrengthExtension = extension // expected '{' in extensionmaxStrengthExtension = extension // declaration is only valid at file scope} // expected type name in extension declarationlet upperCaseCount = extension.filter { $0.isUppercase }.count // consecutive statements on a line must be separated by ';'let upperCaseCount = extension.filter { $0.isUppercase }.count // expected initial value after '='let upperCaseCount = extension.filter { $0.isUppercase }.count // expected '{' in extensionlet upperCaseCount = extension.filter { $0.isUppercase }.count // declaration is only valid at file scopelet upperCaseCount = extension.filter { $0.isUppercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected type name in extension declarationlet lowerCaseCount = extension.filter { $0.isLowercase }.count // declaration is only valid at file scopelet lowerCaseCount = extension.filter { $0.isLowercase }.count // consecutive statements on a line must be separated by ';'let lowerCaseCount = extension.filter { $0.isLowercase }.count // expected '{' in extensionlet lowerCaseCount = extension.filter { $0.isLowercase }.count // expected initial value after '='return upperCaseCount - lowerCaseCount // cannot convert return expression of type 'Duration' to return type 'Int'func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.dropLast(b.count - i)
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.dropLast(b.count - i)
if a.contains(rotated) {
return true
}
}
return false
}
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}
// Example usage:
print(cycpatternCheck(a: "abcd", b: "abd")) // Output: false
print(cycpatternCheck(a: "hello", b: "ell")) // Output: true
print(cycpatternCheck(a: "whassup", b: "psus")) // Output: false
print(cycpatternCheck(a: "abab", b: "baa")) // Output: true
print(cycpatternCheck(a: "efef", b: "eeff")) // Output: false
print(cycpatternCheck(a: "himenss", b: "simen")) // Output: true
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
// If none of the rotations match, return false
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
// If none of the rotations match, return false
return false
}
// Example usage:
print(cycpatternCheck(a: "abcd", b: "abd")) // Output: false
print(cycpatternCheck(a: "hello", b: "ell")) // Output: true
print(cycpatternCheck(a: "whassup", b: "psus")) // Output: false
print(cycpatternCheck(a: "abab", b: "baa")) // Output: true
print(cycpatternCheck(a: "efef", b: "eeff")) // Output: false
print(cycpatternCheck(a: "himenss", b: "simen")) // Output: true
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
// If none of the rotations match, return false
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
// If none of the rotations match, return false
return false
}
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}
// Example usage:
print(cycpatternCheck(a: "abcd", b: "abd")) // Output: false
print(cycpatternCheck(a: "hello", b: "ell")) // Output: true
print(cycpatternCheck(a: "whassup", b: "psus")) // Output: false
print(cycpatternCheck(a: "abab", b: "baa")) // Output: true
print(cycpatternCheck(a: "efef", b: "eeff")) // Output: false
print(cycpatternCheck(a: "himenss", b: "simen")) // Output: true
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}
// Example usage:
print(cycpatternCheck(a: "abcd", b: "abd")) // Output: false
print(cycpatternCheck(a: "hello", b: "ell")) // Output: true
print(cycpatternCheck(a: "whassup", b: "psus")) // Output: false
print(cycpatternCheck(a: "abab", b: "baa")) // Output: true
print(cycpatternCheck(a: "efef", b: "eeff")) // Output: false
print(cycpatternCheck(a: "himenss", b: "simen")) // Output: true
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.dropFirst(i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b[b.index(b.startIndex, offsetBy: i)..<b.endIndex] + b[..<b.index(b.startIndex, offsetBy: i)]
if a.contains(rotated) {
return true
}
}
return false
}
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotatedWord = b.dropFirst(i) + b.prefix(i)
if a.contains(rotatedWord) {
return true
}
}
// If no rotation of the second word is a substring of the first word, return false
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotatedWord = b.dropFirst(i) + b.prefix(i)
if a.contains(rotatedWord) {
return true
}
}
// If no rotation of the second word is a substring of the first word, return false
return false
}
// Example usage:
print(cycpatternCheck(a: "abcd", b: "abd")) // Output: false
print(cycpatternCheck(a: "hello", b: "ell")) // Output: true
print(cycpatternCheck(a: "whassup", b: "psus")) // Output: false
print(cycpatternCheck(a: "abab", b: "baa")) // Output: true
print(cycpatternCheck(a: "efef", b: "eeff")) // Output: false
print(cycpatternCheck(a: "himenss", b: "simen")) // Output: true
```func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}```swift
// You are given 2 words. You need to return true if the second word or any of its rotations is a substring in the first word
// cycpatternCheck(a: "abcd", b: "abd") == false
// cycpatternCheck(a: "hello", b: "ell") == true
// cycpatternCheck(a: "whassup", b: "psus") == false
// cycpatternCheck(a: "abab", b: "baa") == true
// cycpatternCheck(a: "efef", b: "eeff") == false
// cycpatternCheck(a: "himenss", b: "simen") == true
func cycpatternCheck(a: String, b: String) -> Bool {
// Check if the second word is a substring of the first word
if a.contains(b) {
return true
}
// If the second word is not a substring, check if any rotation of the second word is a substring of the first word
for i in 0..<b.count {
let rotated = b.suffix(b.count - i) + b.prefix(i)
if a.contains(rotated) {
return true
}
}
return false
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
// Example usage:
print(evenOddCount(num: -12)) // Output: (1, 1)
print(evenOddCount(num: 123)) // Output: (1, 2)
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(num).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(num).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
// Example usage:
print(evenOddCount(num: -12)) // Output: (1, 1)
print(evenOddCount(num: 123)) // Output: (1, 2)
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
// Example usage:
print(evenOddCount(num: -12)) // Output: (1, 1)
print(evenOddCount(num: 123)) // Output: (1, 2)
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
// Example usage:
print(evenOddCount(num: -12)) // Output: (1, 1)
print(evenOddCount(num: 123)) // Output: (1, 2)
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
```func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}```swift
// Given an integer. return a tuple that has the number of even and odd digits respectively.
// Example:
// evenOddCount(num: -12) == (1, 1)
// evenOddCount(num: 123) == (1, 2)
func evenOddCount(num: Int) -> (Int, Int) {
let digits = String(abs(num)).compactMap { Int(String($0)) }
let evenCount = digits.filter { $0 % 2 == 0 }.count
let oddCount = digits.filter { $0 % 2 != 0 }.count
return (evenCount, oddCount)
}
// Example usage:
print(evenOddCount(num: -12)) // Output: (1, 1)
print(evenOddCount(num: 123)) // Output: (1, 2)
```func intToMiniRoman(number: Int) -> String {
// Define the Roman numeral symbols and their corresponding values
let romanSymbols: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral symbols in descending order
for (value, symbol) in romanSymbols.sorted(by: { $0.key > $1.key }) {
// Append the symbol to the result as many times as the number can be divided by the value
result += String(repeating: symbol, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the Roman numeral symbols and their corresponding values
let romanSymbols: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral symbols in descending order
for (value, symbol) in romanSymbols.sorted(by: { $0.key > $1.key }) {
// Append the symbol to the result as many times as the number can be divided by the value
result += String(repeating: symbol, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number %= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral as many times as the number can be divided by the value
result += String(repeating: numeral, count: number / value)
// Subtract the value from the number to avoid duplicates
number %= value
}
// Return the result in lowercase
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral as many times as the number can be divided by the value
result += String(repeating: numeral, count: number / value)
// Subtract the value from the number to avoid duplicates
number %= value
}
// Return the result in lowercase
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number %= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the Roman numeral symbols and their corresponding values
let romanSymbols: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral symbols in descending order
for (value, symbol) in romanSymbols.sorted(by: { $0.key > $1.key }) {
// Append the symbol to the result as many times as the number can be divided by the value
result += String(repeating: symbol, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the Roman numeral symbols and their corresponding values
let romanSymbols: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral symbols in descending order
for (value, symbol) in romanSymbols.sorted(by: { $0.key > $1.key }) {
// Append the symbol to the result as many times as the number can be divided by the value
result += String(repeating: symbol, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number %= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts.
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string.
var result = ""
// Iterate over the Roman numeral mapping in reverse order.
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// While the number is greater than or equal to the current value,
// append the corresponding Roman numeral to the result string.
while number >= value {
result += numeral
number -= value
}
}
// Return the result string in lowercase.
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts.
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string.
var result = ""
// Iterate over the Roman numeral mapping in reverse order.
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// While the number is greater than or equal to the current value,
// append the corresponding Roman numeral to the result string.
while number >= value {
result += numeral
number -= value
}
}
// Return the result string in lowercase.
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number -= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var romanString = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent of the current value to the string
while number >= value {
romanString.append(numeral)
number -= value
}
}
// Return the Roman numeral in lowercase
return romanString.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var romanString = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent of the current value to the string
while number >= value {
romanString.append(numeral)
number -= value
}
}
// Return the Roman numeral in lowercase
return romanString.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number -= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var roman = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent of the current value to the result
while number >= value {
roman += numeral
number -= value
}
}
// Return the Roman numeral in lowercase
return roman.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var roman = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent of the current value to the result
while number >= value {
roman += numeral
number -= value
}
}
// Return the Roman numeral in lowercase
return roman.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number -= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var roman = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent to the result string
// as many times as the integer value can be divided by the key
roman.append(String(repeating: numeral, count: number / value))
// Update the integer value to the remainder
number %= value
}
// Return the Roman numeral in lowercase
return roman.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize an empty string to store the Roman numeral
var roman = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral equivalent to the result string
// as many times as the integer value can be divided by the key
roman.append(String(repeating: numeral, count: number / value))
// Update the integer value to the remainder
number %= value
}
// Return the Roman numeral in lowercase
return roman.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number %= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// While the number is greater than or equal to the current value
while number >= value {
// Append the corresponding Roman numeral to the result
result += numeral
// Subtract the value from the number
number -= value
}
}
// Return the result in lowercase
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the sorted keys in descending order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// While the number is greater than or equal to the current value
while number >= value {
// Append the corresponding Roman numeral to the result
result += numeral
// Subtract the value from the number
number -= value
}
}
// Return the result in lowercase
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number -= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral as many times as the number can be divided by the value
result += String(repeating: numeral, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
// Define the mapping of integers to their Roman numeral counterparts
let romanNumerals: [Int: String] = [
1: "i", 4: "iv", 5: "v", 9: "ix",
10: "x", 40: "xl", 50: "l", 90: "xc",
100: "c", 400: "cd", 500: "d", 900: "cm",
1000: "m"
]
// Initialize the result string
var result = ""
// Iterate over the Roman numeral mapping in reverse order
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
// Append the Roman numeral as many times as the number can be divided by the value
result += String(repeating: numeral, count: number / value)
// Update the number to the remainder
number %= value
}
// Return the result in lowercase
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```number %= value // left side of mutating operator isn't mutable: 'number' is a 'let' constantfunc intToMiniRoman(number: Int) -> String {
let romanNumerals: [Int: String] = [
1: "i",
4: "iv",
5: "v",
9: "ix",
10: "x",
40: "xl",
50: "l",
90: "xc",
100: "c",
400: "cd",
500: "d",
900: "cm",
1000: "m"
]
var result = ""
var remaining = number
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
while remaining >= value {
result += numeral
remaining -= value
}
}
return result.lowercased()
}```swift
// Given a positive integer, obtain its roman numeral equivalent as a string,
// and return it in lowercase.
// Restrictions: 1 <= num <= 1000
// Examples:
// intToMiniRoman(number: 19) == "xix"
// intToMiniRoman(number: 152) == "clii"
// intToMiniRoman(number: 426) == "cdxxvi"
func intToMiniRoman(number: Int) -> String {
let romanNumerals: [Int: String] = [
1: "i",
4: "iv",
5: "v",
9: "ix",
10: "x",
40: "xl",
50: "l",
90: "xc",
100: "c",
400: "cd",
500: "d",
900: "cm",
1000: "m"
]
var result = ""
var remaining = number
for (value, numeral) in romanNumerals.sorted(by: { $0.key > $1.key }) {
while remaining >= value {
result += numeral
remaining -= value
}
}
return result.lowercased()
}
// Example usage:
print(intToMiniRoman(number: 19)) // Output: "xix"
print(intToMiniRoman(number: 152)) // Output: "clii"
print(intToMiniRoman(number: 426)) // Output: "cdxxvi"
```func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
}
```} // missing return in global function expected to return 'Bool'func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}
// Test cases
print(rightAngleTriangle(a: 3, b: 4, c: 5)) // Expected output: true
print(rightAngleTriangle(a: 1, b: 2, c: 3)) // Expected output: false
``` // XCTAssertTrue failedfunc rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Sort the sides to ensure the longest side is last
let sides = [a, b, c].sorted()
// Check if the sum of the squares of the two shorter sides equals the square of the longest side
return sides[0] * sides[0] + sides[1] * sides[1] == sides[2] * sides[2]
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Sort the sides to ensure the longest side is last
let sides = [a, b, c].sorted()
// Check if the sum of the squares of the two shorter sides equals the square of the longest side
return sides[0] * sides[0] + sides[1] * sides[1] == sides[2] * sides[2]
}
// Example usage:
print(rightAngleTriangle(a: 3, b: 4, c: 5)) // Expected output: true
print(rightAngleTriangle(a: 1, b: 2, c: 3)) // Expected output: false
```func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}
``` // XCTAssertTrue failedfunc rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}
// Test cases
print(rightAngleTriangle(a: 3, b: 4, c: 5)) // Expected output: true
print(rightAngleTriangle(a: 1, b: 2, c: 3)) // Expected output: false
``` // XCTAssertTrue failedfunc rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Sort the sides to ensure the longest side is last
let sides = [a, b, c].sorted()
// Check if the sum of the squares of the two shorter sides equals the square of the longest side
return sides[0] * sides[0] + sides[1] * sides[1] == sides[2] * sides[2]
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Sort the sides to ensure the longest side is last
let sides = [a, b, c].sorted()
// Check if the sum of the squares of the two shorter sides equals the square of the longest side
return sides[0] * sides[0] + sides[1] * sides[1] == sides[2] * sides[2]
}
// Example usage:
print(rightAngleTriangle(a: 3, b: 4, c: 5)) // Expected output: true
print(rightAngleTriangle(a: 1, b: 2, c: 3)) // Expected output: false
```func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Write your code here
return false
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Write your code here
return false
}
``` // XCTAssertTrue failedfunc rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}```swift
// Given the lengths of the three sides of a triangle. Return true if the three
// sides form a right-angled triangle, false otherwise.
// A right-angled triangle is a triangle in which one angle is right angle or
// 90 degree.
// Example:
// rightAngleTriangle(a: 3, b: 4, c: 5) == true
// rightAngleTriangle(a: 1, b: 2, c: 3) == false
func rightAngleTriangle(a: Int, b: Int, c: Int) -> Bool {
// Your code here
return false
}
// Example usage:
print(rightAngleTriangle(a: 3, b: 4, c: 5)) // Expected output: true
print(rightAngleTriangle(a: 1, b: 2, c: 3)) // Expected output: false
``` // XCTAssertTrue failedfunc findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxWord) {
maxUniqueChars = uniqueChars
maxWord = word
}
}
return maxWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxWord) {
maxUniqueChars = uniqueChars
maxWord = word
}
}
return maxWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxUniqueWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxUniqueWord) {
maxUniqueChars = uniqueChars
maxUniqueWord = word
}
}
return maxUniqueWord
}
// Example usage:
print(findMax(words: ["name", "of", "string"])) // Output: "string"
print(findMax(words: ["name", "enam", "game"])) // Output: "enam"
print(findMax(words: ["aaaaaaa", "bb", "cc"])) // Output: "aaaaaaa"
```func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxWord) {
maxUniqueChars = uniqueChars
maxWord = word
}
}
return maxWord
}```swift
// Write a function that accepts an array of strings.
// The array contains different words. Return the word with maximum number
// of unique characters. If multiple strings have maximum number of unique
// characters, return the one which comes first in lexicographical order.
// findMax(words: ["name", "of", "string"]) == "string"
// findMax(words: ["name", "enam", "game"]) == "enam"
// findMax(words: ["aaaaaaa", "bb", "cc"]) == "aaaaaaa"
func findMax(words: [String]) -> String {
var maxUniqueChars = 0
var maxWord = ""
for word in words {
let uniqueChars = Set(word).count
if uniqueChars > maxUniqueChars || (uniqueChars == maxUniqueChars && word < maxWord) {
maxUniqueChars = uniqueChars
maxWord = word
}
}
return maxWord
}
```func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let total = number + need
let left = remaining - need
return [total, left]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let total = number + need
let left = remaining - need
return [total, left]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let total = number + need
let left = total > remaining ? 0 : remaining - total
return [total, left]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let total = number + need
let left = total > remaining ? 0 : remaining - total
return [total, left]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, max(carrotsLeft, 0)]
}
``` // XCTAssertTrue failedfunc eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, carrotsLeft]
}```swift
// You're a hungry rabbit, and you already have eaten a certain number of carrots,
// but now you need to eat more carrots to complete the day's meals.
// you should return an array of [ total number of eaten carrots after your meals,
// the number of carrots left after your meals ]
// if there are not enough remaining carrots, you will eat all remaining carrots, but will still be hungry.
// Example:
// Variables:
// @number : integer
// the number of carrots that you have eaten.
// @need : integer
// the number of carrots that you need to eat.
// @remaining : integer
// the number of remaining carrots thet exist in stock
// Constrain:
// * 0 <= number <= 1000
// * 0 <= need <= 1000
// * 0 <= remaining <= 1000
// Have fun :)
// eat(number: 5, need: 6, remaining: 10) == [11, 4]
// eat(number: 4, need: 8, remaining: 9) == [12, 1]
// eat(number: 1, need: 10, remaining: 10) == [11, 0]
// eat(number: 2, need: 11, remaining: 5) == [7, 0]
func eat(number: Int, need: Int, remaining: Int) -> [Int] {
let totalEaten = number + need
let carrotsLeft = remaining - need
return [totalEaten, carrotsLeft]
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
// Example usage:
let operators = ["+", "*", "-"]
let operands = [2, 3, 4, 5]
let result = doAlgebra(operators: operators, operands: operands)
print(result) // Output: 9
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i-1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i-1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i + 1]
case "-":
result -= operands[i + 1]
case "*":
result *= operands[i + 1]
case "//":
result /= operands[i + 1]
case "**":
result = Int(pow(Double(result), Double(operands[i + 1])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i + 1]
case "-":
result -= operands[i + 1]
case "*":
result *= operands[i + 1]
case "//":
result /= operands[i + 1]
case "**":
result = Int(pow(Double(result), Double(operands[i + 1])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i-1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i-1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}
// Example usage:
let operators = ["+", "*", "-"]
let operands = [2, 3, 4, 5]
let result = doAlgebra(operators: operators, operands: operands)
print(result) // Output: 9
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 0..<operators.count {
switch operators[i] {
case "+":
result += operands[i+1]
case "-":
result -= operands[i+1]
case "*":
result *= operands[i+1]
case "//":
result /= operands[i+1]
case "**":
result = Int(pow(Double(result), Double(operands[i+1])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}```swift
// Given two arrays operators, and operands. The first array has basic algebra operations, and
// the second array is an array of integers. Use the two given arrays to build the algebric
// expression and return the evaluation of this expression.
// The basic algebra operations:
// Addition ( + )
// Subtraction ( - )
// Multiplication ( * )
// Floor division ( // )
// Exponentiation ( ** )
// Example:
// operator['+', '*', '-']
// array = [2, 3, 4, 5]
// result = 2 + 3 * 4 - 5
// => result = 9
// Note:
// The length of operator array is equal to the length of operand array minus one.
// Operand is an array of of non-negative integers.
// Operator array has at least one operator, and operand array has at least two operands.
func doAlgebra(operators: [String], operands: [Int]) -> Int {
var result = operands[0]
for i in 1..<operands.count {
switch operators[i - 1] {
case "+":
result += operands[i]
case "-":
result -= operands[i]
case "*":
result *= operands[i]
case "//":
result /= operands[i]
case "**":
result = Int(pow(Double(result), Double(operands[i])))
default:
break
}
}
return result
}
``` // XCTAssertTrue failedfunc solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}
```return result.isEmpty ? s.reversed() : result // cannot convert return expression of type 'ReversedCollection<String>' to return type 'String'func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}
```return result.isEmpty ? s.reversed() : result // cannot convert return expression of type 'ReversedCollection<String>' to return type 'String'func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result.append(char.isLowercase ? char.uppercased() : char.lowercased())
} else {
result.append(char)
}
}
return result.isEmpty ? s.reversed() : result
}
```return result.isEmpty ? s.reversed() : result // cannot convert return expression of type 'ReversedCollection<String>' to return type 'String'func solve(s: String) -> String {
// your code here
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
return result.reversed()
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
// your code here
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
return result.reversed()
}
```return result.reversed() // no 'reversed' candidates produce the expected contextual result type 'String'func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}
// Example usage:
print(solve(s: "1234")) // Output: "4321"
print(solve(s: "ab")) // Output: "AB"
print(solve(s: "#a@C")) // Output: "#A@c"
``` // XCTAssertTrue failedfunc solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result += char.isLowercase ? char.uppercased() : char.lowercased()
} else {
result += String(char)
}
}
return result.reversed()
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
result += char.isLowercase ? char.uppercased() : char.lowercased()
} else {
result += String(char)
}
}
return result.reversed()
}
```return result.reversed() // no 'reversed' candidates produce the expected contextual result type 'String'func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}
// Example usage:
print(solve(s: "1234")) // Output: "4321"
print(solve(s: "ab")) // Output: "AB"
print(solve(s: "#a@C")) // Output: "#A@c"
``` // XCTAssertTrue failedfunc solve(s: String) -> String {
// Your code here
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
// Your code here
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}
``` // XCTAssertTrue failedfunc solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}
``` // XCTAssertTrue failedfunc solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}```swift
// You are given a string s.
// if s[i] is a letter, reverse its case from lower to upper or vise versa,
// otherwise keep it as it is.
// If the string contains no letters, reverse the string.
// The function should return the resulted string.
// Examples
// solve(s: "1234") == "4321"
// solve(s: "ab") == "AB"
// solve(s: "#a@C") == "#A@c"
func solve(s: String) -> String {
var result = ""
for char in s {
if char.isLetter {
if char.isLowercase {
result += char.uppercased()
} else {
result += char.lowercased()
}
} else {
result += String(char)
}
}
if result.isEmpty {
return String(s.reversed())
}
return result
}
// Example usage:
print(solve(s: "1234")) // Output: "4321"
print(solve(s: "ab")) // Output: "AB"
print(solve(s: "#a@C")) // Output: "#A@c"
``` // XCTAssertTrue failedimport CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
let text = "Hello world"
if let md5Hash = stringToMd5(text: text) {
print("MD5 hash of '\(text)': \(md5Hash)")
} else {
print("Input string is empty.")
}
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "Input string is empty") // Output: 3e25960a79dbc69b674cd4ec67a72c62
print(stringToMd5(text: "") ?? "Input string is empty") // Output: Input string is empty
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
if let md5Hash = stringToMd5(text: "Hello world") {
print(md5Hash) // Output: 3e25960a79dbc69b674cd4ec67a72c62
} else {
print("Input string is empty")
}
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "nil") // Output: 3e25960a79dbc69b674cd4ec67a72c62
print(stringToMd5(text: "") ?? "nil") // Output: nil
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}
// Example usage:
let exampleText = "Hello world"
if let md5Hash = stringToMd5(text: exampleText) {
print("MD5 hash of '\(exampleText)': \(md5Hash)")
} else {
print("Input string is empty.")
}
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
if let md5Hash = stringToMd5(text: "Hello world") {
print(md5Hash) // Output: 3e25960a79dbc69b674cd4ec67a72c62
} else {
print("Input string is empty")
}
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "Input string is empty") // Output: 3e25960a79dbc69b674cd4ec67a72c62
print(stringToMd5(text: "") ?? "Input string is empty") // Output: Input string is empty
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "Input string is empty") // Output: 3e25960a79dbc69b674cd4ec67a72c62
print(stringToMd5(text: "") ?? "Input string is empty") // Output: Input string is empty
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
let data = text.data(using: .utf8)!
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "nil") // Output: "3e25960a79dbc69b674cd4ec67a72c62"
print(stringToMd5(text: "") ?? "nil") // Output: "nil"
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).import CommonCrypto
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}```swift
// Given a string 'text', return its md5 hash equivalent string.
// If 'text' is an empty string, return nil.
// stringToMd5(text: "Hello world") == "3e25960a79dbc69b674cd4ec67a72c62"
func stringToMd5(text: String) -> String? {
guard !text.isEmpty else { return nil }
if let data = text.data(using: .utf8) {
let hash = data.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) -> [UInt8] in
var hash = [UInt8](repeating: 0, count: Int(CC_MD5_DIGEST_LENGTH))
CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash)
return hash
}
return hash.map { String(format: "%02x", $0) }.joined()
}
return nil
}
// Example usage:
print(stringToMd5(text: "Hello world") ?? "Input string is empty") // Output: 3e25960a79dbc69b674cd4ec67a72c62
print(stringToMd5(text: "") ?? "Input string is empty") // Output: Input string is empty
```CC_MD5(bytes.baseAddress, CC_LONG(data.count), &hash) // 'CC_MD5' was deprecated in macOS 10.15: This function is cryptographically broken and should not be used in security contexts. Clients should migrate to SHA256 (or stronger).func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers: [Int] = []
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers: [Int] = []
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
let start = min(a, b)
let end = max(a, b)
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
let start = min(a, b)
let end = max(a, b)
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
```func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenDigits: [Int] = []
for i in a...b {
if i % 2 == 0 {
evenDigits.append(i)
}
}
return evenDigits
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenDigits: [Int] = []
for i in a...b {
if i % 2 == 0 {
evenDigits.append(i)
}
}
return evenDigits
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for number in a...b {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
// Ensure a is less than or equal to b
let start = min(a, b)
let end = max(a, b)
// Iterate through the range and add even numbers to the array
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
// Ensure a is less than or equal to b
let start = min(a, b)
let end = max(a, b)
// Iterate through the range and add even numbers to the array
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
```func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for i in a...b {
if i % 2 == 0 {
evenNumbers.append(i)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
for i in a...b {
if i % 2 == 0 {
evenNumbers.append(i)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBoundfunc generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
// Determine the start and end points for the range of numbers to check
let start = min(a, b)
let end = max(a, b)
// Iterate over the range of numbers and add even numbers to the array
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenNumbers = [Int]()
// Determine the start and end points for the range of numbers to check
let start = min(a, b)
let end = max(a, b)
// Iterate over the range of numbers and add even numbers to the array
for number in start...end {
if number % 2 == 0 {
evenNumbers.append(number)
}
}
return evenNumbers
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
```func generateIntegers(a: Int, b: Int) -> [Int] {
var evenDigits = [Int]()
for number in a...b {
if number % 2 == 0 {
evenDigits.append(number)
}
}
return evenDigits
}```swift
// Given two positive integers a and b, return the even digits between a
// and b, in ascending order.
// For example:
// generateIntegers(a: 2, b: 8) == [2, 4, 6, 8]
// generateIntegers(a: 8, b: 2) == [2, 4, 6, 8]
// generateIntegers(a: 10, b: 14) == [] as [Int]
func generateIntegers(a: Int, b: Int) -> [Int] {
var evenDigits = [Int]()
for number in a...b {
if number % 2 == 0 {
evenDigits.append(number)
}
}
return evenDigits
}
// Example usage:
print(generateIntegers(a: 2, b: 8)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 8, b: 2)) // Output: [2, 4, 6, 8]
print(generateIntegers(a: 10, b: 14)) // Output: []
``` // Fatal error: Range requires lowerBound <= upperBound