0%

22 Swift Task

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func plusAllDigits(_ number: Int) -> Int {
    var sum = 0
    
    for digit in String(number) { sum += Int(String(digit))! }
    
    return sum
}

plusAllDigits(13413)
// 12
plusAllDigits(100000)
// 1
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func isHarshad(_ number: Int) -> Bool {
    var sum = 0
    
    for digit in String(number) { sum += Int(String(digit))! }
    
    return number % sum == 0
}

isHarshad(9)
// true
isHarshad(777)
// true
isHarshad(123)
// false