摘要： 朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 215 Accepted Submission(s): 137 Problem Descri 阅读全文

摘要： 传递 Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 753 Accepted Submission(s): 335 Problem Descr 阅读全文

摘要： Jack Straws Description In the game of Jack Straws, a number of plastic or wooden "straws" are dumped on the table and players try to remove them one- 阅读全文

摘要： 【题目传送门】 1383 : The Book List 1383 : The Book List 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 The history of Peking University Library is as long as the his 阅读全文

摘要： GCD Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9942 Accepted Submission(s): 3732 Problem Des 阅读全文

摘要： Different Circle Permutation Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 208 Accepted Submi 阅读全文

摘要： Educational Codeforces Round 63 (Rated for Div. 2) F https://codeforces.com/contest/1155/problem/F 阅读全文

摘要： Gambler Bo Time Limit: 8000/4000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1152 Accepted Submission(s): 471Spec 阅读全文

摘要： Painter's Problem Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5875 Accepted: 2825 Description There is a square wall which is made of n 阅读全文

摘要： 开关问题 Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 7726 Accepted: 3032 Description 有N个相同的开关，每个开关都与某些开关有着联系，每当你打开或者关闭某个开关的时候，其他的与此开关相关联的开关 阅读全文