摘要：Going from u to v or from v to u? Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 19234 Accepted: 5182 Description In order to make their s 阅读全文

摘要：Sightseeing Cows Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big city! The cows must decide how bes 阅读全文

摘要：1497: [NOI2006]最大获利 Description 新的技术正冲击着手机通讯市场，对于各大运营商来说，这既是机遇，更是挑战。THU集团旗下的CS&T通讯公司在新一代通讯技术血战的前夜，需要做太多的准备工作，仅就站址选择一项，就需要完成前期市场研究、站址勘测、最优化等项目。在前期市场调查和 阅读全文

摘要：Priest John's Busiest Day Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 11127 Accepted: 3785 Special Judge Description John is the only p 阅读全文

摘要：Vitaly and Cycle time limit per test 1 second time limit per test memory limit per test 256 megabytes memory limit per test input standard input input 阅读全文

摘要：TWO NODES Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 2354 Accepted Submission(s): 780 Prob 阅读全文

摘要：度度熊的交易计划 Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 871 Accepted Submission(s): 326 Problem 阅读全文

摘要：. Timofey and a tree time limit per test 2 seconds time limit per test memory limit per test 256 megabytes memory limit per test input standard input 阅读全文

摘要：Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6973 Accepted: 2554 Description Farmer John wants to set up a telephone lin 阅读全文

摘要：Desert King Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 25729 Accepted: 7143 Description David the Great has just become the king of a 阅读全文

摘要：B. Borrow Classroom Time Limit: 5000ms Memory Limit: 262144KB Time Limit: 5000ms Memory Limit: 262144KB 每年的BNU校赛都会有两次赛前培训，为此就需要去借教室，由于SK同学忙于出题，这个事情就由小 阅读全文

摘要：D. Weird journey time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little boy Igor wants t 阅读全文

摘要：畅通工程续 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 50537 Accepted Submission(s): 18852 Problem 阅读全文

摘要：还是畅通工程 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 43080 Accepted Submission(s): 19636 Proble 阅读全文

摘要：Dark roads Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1031 Accepted Submission(s): 450 Probl 阅读全文