摘要：Palindrome Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 426 Accepted Submission(s): 163 Prob 阅读全文

摘要：Milk Patterns Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 16742 Accepted: 7390 Case Time Limit: 2000MS Description Farmer John has noti 阅读全文

摘要：1031: [JSOI2007]字符加密Cipher Description 喜欢钻研问题的JS同学，最近又迷上了对加密方法的思考。一天，他突然想出了一种他认为是终极的加密办法 ：把需要加密的信息排成一圈，显然，它们有很多种不同的读法。例如下图，可以读作： JSOI07 SOI07J OI07JS 阅读全文

摘要：Long Long Message Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 30427 Accepted: 12337 Case Time Limit: 1000MS Description The little cat 阅读全文

摘要：Longest Common Substring Problem Description Given two strings, you have to tell the length of the Longest Common Substring of them.For example:str1 = 阅读全文