leetcode 7 Reverse Integer
class Solution { public: int reverse(int x) { int res = 0; while (x != 0) { int t = res * 10 + x % 10; if (t / 10 != res) return 0; res = t; x /= 10; } return res; } };
class Solution { public: int reverse(int x) { int res = 0; while (x != 0) { int t = res * 10 + x % 10; if (t / 10 != res) return 0; res = t; x /= 10; } return res; } };