小鱼干换AC的博客

题目 Given a string s ,find the longest palindromic in s .You may assume that maximum length of s is 1000,and there exists one unique longest palindromic substring. 题意 求一个给定字符串S的最长回文串，其中回文串指的是可以从串中间向...

Let the Balloon Rise problem Description Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges’ favorite time is guessing the most popular proble...