摘要：Fire Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 1616 Accepted: 878 Description Country Z has N cities, which are numbered from 1 to N. 阅读全文

摘要：Walking Race Time Limit: 10000MS Memory Limit: 131072K Total Submissions: 4123 Accepted: 1029 Case Time Limit: 3000MS Description flymouse’s sister wc 阅读全文

摘要：Information Disturbing Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 3205 Accepted Submission( 阅读全文

摘要：Contestants Division Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10704 Accepted: 3004 Description In the new ACM-ICPC Regional Contest, 阅读全文

摘要：Tree Cutting Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4834 Accepted: 2958 Description After Farmer John realized that Bessie had ins 阅读全文

摘要：Computer Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 31049 Accepted Submission(s): 3929 Probl 阅读全文

摘要：Anniversary party Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12770 Accepted Submission(s): 5 阅读全文

摘要：Tree Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 24258 Accepted: 8062 Description Give a tree with n vertices,each edge has a length(po 阅读全文

摘要：Godfather Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 7536 Accepted: 2659 Description Last years Chicago was full of gangster fights an 阅读全文

摘要：Balancing Act Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 14550 Accepted: 6173 Description Consider a tree T with N (1 <= N <= 20,000) 阅读全文