摘要：
传送门 Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 14761 Accepted: 7407 Description The little cat is so famous, that many couples tramp o 阅读全文
摘要：
Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 38908 Accepted: 16170 Description Given two strings a and b we define a*b to be their conca 阅读全文
摘要：
KMP算法是基本的字符串匹配算法，但是代码实现上有一些细节容易错。这篇随笔将认真总结一下。 KMP算法的核心是： The KMP algorithm searches for occurrences of a "word" W within a main "text string" S by emp 阅读全文