leetcode

0 class Solution {

1 public:

2 bool isPalindrome(int x) {

3 if (x < 0 || (x != 0 && x % 10 == 0)) return false;

4 int sum = 0;

5 do {

6 sum = sum * 10 + x % 10;

7 } while ((x /= 10) > sum);

8 return (x == sum) || (x == sum / 10);

9 }

10 };