Holding Bin-Laden Captive! Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17653 Accepted Submission(s): 7902 Problem Description We all know that Bin-Laden is a notorious terrorist, and he h…
Ignatius and the Princess III Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 15942 Accepted Submission(s): 11245 Problem Description "Well, it seems the first problem is too easy. I will let…
排列组合 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3438 Accepted Submission(s): 1439 Problem Description 有n种物品,并且知道每种物品的数量.要求从中选出m件物品的排列数.例如有两种物品A,B,并且数量都是1,从中选2件物品,则排列有"AB","BA&…