千言万语ROOM

More is better Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 327680/102400 K (Java/Others) Total Submission(s): 15426    Accepted Submission(s): 5662 Problem Description Mr Wang want

还是畅通工程 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 26901    Accepted Submission(s): 12001 Problem Description 某省调查乡村交通状况，得到的统计表中列出了

畅通工程 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 31726    Accepted Submission(s): 16732 Problem Description 某省调查城镇交通状况，得到现有城镇道路统计表，

How Many Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 14357    Accepted Submission(s): 7049 Problem Description Today is Igna

小希的迷宫 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 27663    Accepted Submission(s): 8541 Problem Description 上次Gardon的迷宫城堡小希玩了很久（见Pr

Is It A Tree? Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 22637   Accepted: 7758 Description A tree is a well-known data structure that is either empty (

find the most comfortable road Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4001    Accepted Submission(s): 1722 Problem Description

树上战争 Time Limit: 10000/4000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 606    Accepted Submission(s): 326 Problem Description 给一棵树，如果树上的某个节点被某个人占据，则它的所有

Building Block Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3315    Accepted Submission(s): 991 Problem Description John are playing