X_1996

摘要： 题目链接：https://acm.zzuli.edu.cn/zzuliacm/problem.php?id=1861 Manacher's Algorithm 马拉车算法和详解：http://www.cnblogs.com/grandyang/p/4475985.html Description 有 阅读全文

摘要： 题目链接：https://vjudge.net/contest/160714#problem/D Little Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it 阅读全文