LeetCode 9. Palindrome Number
2016-07-25 18:11
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描述
给出一个数字,判断它是否是回文。解决
数学问题class Solution { public: bool isPalindrome(int x) { if (x < 0) return false; int tmp = x; int res = 0; while (x){ res = res * 10 + (x % 10); x /= 10; } return res == tmp; } };
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