mirror of
https://github.com/halfrost/LeetCode-Go.git
synced 2025-07-19 21:31:22 +08:00
33 lines
449 B
Go
33 lines
449 B
Go
package leetcode
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func getSquareOfDigits(n int) int {
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squareOfDigits := 0
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temporary := n
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for temporary != 0 {
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remainder := temporary % 10
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squareOfDigits += remainder * remainder
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temporary /= 10
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}
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return squareOfDigits
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}
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func isHappy(n int) bool {
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record := map[int]int{}
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for n != 1 {
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record[n] = n
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n = getSquareOfDigits(n)
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for _, previous := range record {
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if n == previous {
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return false
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}
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}
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}
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return true
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}
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