若有恒，何必三更起五更眠；最无益，莫过一日曝十日寒。

摘要： 迷宫城堡 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22886 Accepted Submission(s): 9891 Problem D 阅读全文

摘要： Description 抗日战争时期，冀中平原的地道战曾发挥重要作用。 地道的多个站点间有通道连接，形成了庞大的网络。但也有隐患，当敌人发现了某个站点后，其它站点间可能因此会失去联系。 我们来定义一个危险系数DF(x,y)： 对于两个站点x和y (x != y), 如果能找到一个站点z，当z被敌人破 阅读全文

摘要： Network Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 17016 Accepted: 7635 Description A Telephone Line Company (TLC) is establishing a n 阅读全文

摘要： 逃生 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7736 Accepted Submission(s): 2248 Problem Desc 阅读全文

摘要： Labeling Balls Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16100 Accepted: 4726 Description Windy has N balls of distinct weights from 阅读全文

摘要： Cow Contest Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16341 Accepted: 9146 Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1. 阅读全文

摘要： Rank of Tetris Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12344 Accepted Submission(s): 3497 阅读全文

摘要： Legal or Not Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11382 Accepted Submission(s): 5346 P 阅读全文

摘要： Reward Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 13509 Accepted Submission(s): 4314 Problem 阅读全文

摘要： Sorting It All Out Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 39602 Accepted: 13944 Description An ascending sorted sequence of distin 阅读全文