[leetcode] 7. Reverse Integer

题目链接：https://leetcode.com/problems/reverse-integer/

Reverse digits of an integer.

Example1: x = 123, return 321
Example2: x = -123, return -321

思路

注意溢出情况处理

class Solution {public:    int reverse(int x) {        int result = 0;        while(x){            if(INT_MAX/10 < result || INT_MIN/10 > result)                return 0;            result = result*10 + x % 10;            x = x / 10;        }        return result;    }};