hackerchenzhuo#ccf_pat_leetcode.etc#leetcode 5. 最长回文子串1

# 原创：leetcode 5. 最长回文子串 ```c++ class Solution { public: string longestPalindrome(string s) { const int len = s.size(); if(len <= 1)return s; int start, maxLen = 0; for(int i = 1; i < len; i++) { //寻找以i-1,i为中点偶数长度的回文