[LeetCode] 7. Reverse Integer (Kotlin)

https://leetcode.com/problems/reverse-integer/

 

Reverse Integer - LeetCode

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leetcode.com

import kotlin.math.abs
import kotlin.math.pow

class Solution {
    fun reverse(x: Int): Int {
        var answer = 0
        var xNum = x
        var cnt = abs(x).toString().length - 1

        while (xNum != 0) {
            val accNum = (xNum % 10) * 10.0.pow(cnt)
            if (answer + accNum > Integer.MAX_VALUE || answer + accNum < Integer.MIN_VALUE) {
                return 0
            }
            answer += accNum.toInt()
            xNum /= 10
            cnt--
        }

        return answer
    }

}

https://github.com/960813/leetcode-problems/commit/dcf999e969c6325aa69de8c3a33178f6435141a7

 

[7] Kotlin · 960813/leetcode-problems@dcf999e

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