25 lines
435 B
Swift
25 lines
435 B
Swift
func isHappyNumber(var n:Int) -> Bool {
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var cycle = [Int]()
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while n != 1 && !cycle.contains(n) {
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cycle.append(n)
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var m = 0
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while n > 0 {
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let d = n % 10
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m += d * d
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n = (n - d) / 10
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}
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n = m
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}
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return n == 1
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}
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var found = 0
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var count = 0
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while found != 8 {
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if isHappyNumber(count) {
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print(count)
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found++
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}
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count++
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}
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