/Swift/Most frequent element in array swift

Most frequent element in array swift

func mostFrequent(array: [Int]) -> (value: Int, count: Int)? {
    var counts = [Int: Int]()

    array.forEach { counts[$0] = (counts[$0] ?? 0) + 1 }

    if let (value, count) = counts.max(by: {$0.1 < $1.1}) {
        return (value, count)
    }

    // array was empty
    return nil
}

if let result = mostFrequent(array: [1, 3, 2, 1, 1, 4, 5]) {
    print("\(result.value) occurs \(result.count) times")    
}

-1

Source: stackoverflow.com

Similar codes

0 vote336 views1 answer
Swift fit label to text
Swift
0 vote299 views1 answer
Uitableview bottom inset
Swift
0 vote317 views3 answers
Convert secondsfrom1970 to date swift
Swift
0 vote318 views1 answer
Ns transport swift code
Swift
0 vote321 views1 answer
Print an array in swift
Swift
0 vote306 views1 answer
Use a compatible library with a minSdk of at most 16, or increase this project's minSdk version to at least 19, or use tools:overrideLibrary="com.google.firebase.firebase_analytics"
Swift
0 vote317 views1 answer
Make preivew in dark mode swiftui
Swift
0 vote264 views1 answer
Uiview padding
Swift
5 votes384 views2 answers
Navigationview hide header swiftui
Swift
0 vote321 views2 answers
Hacker
Swift