Leetcode#7||Reverse Integer
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Java中取余数: (结果与被除数同号)
1、 5 % 3 = 2;
2、 -5 % 3 = -2;
3、 5 % -3 = 2;
4、 -5 % -3 = -2;
public class Solution { public int reverse(int x) { int reverse = 0; while (x != 0) { if (reverse != 0 && Integer.MAX_VALUE / reverse < 10 && Integer.MAX_VALUE / reverse > -10) { return 0; } reverse = reverse * 10 + x % 10; x = x / 10; } return reverse; }}
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