LeetCode: Reverse Integer 解题报告
2014-12-14 08:25
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Reverse Integer
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
click to show spoilers.
View Code
[b]GITHUB:
https://github.com/yuzhangcmu/LeetCode_algorithm/blob/master/math/Reverse.java
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
click to show spoilers.
public class Solution { public int reverse(int x) { long ret = 0; while (x != 0) { ret = ret * 10 + x % 10; x /= 10; } if (ret > Integer.MAX_VALUE || ret < Integer.MIN_VALUE) { return 0; } return (int)ret; } }
View Code
[b]GITHUB:
https://github.com/yuzhangcmu/LeetCode_algorithm/blob/master/math/Reverse.java
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