摘要： Let the Balloon RiseTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 59081Accepted Submission(s): 21724Problem DescriptionContest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time 阅读全文

摘要： Digital RootsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 40226Accepted Submission(s): 12406Problem DescriptionThe digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then th 阅读全文

摘要： A + B Problem IITime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 169591Accepted Submission(s): 32528Problem DescriptionI have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.InputThe first line of 阅读全文

摘要： 小希的迷宫Time Limit : 2000/1000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 20Accepted Submission(s) : 2Font: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem Description 上次Gardon的迷宫城堡小希玩了很久（见Problem B），现在她也想设计一个迷宫让Gardon来走。但是她设计迷宫的思路不一样，首先她认为所有的通道都应该是双向连通的，就是说如果有 阅读全文

摘要： 畅通工程Time Limit : 4000/2000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 4Accepted Submission(s) : 2Font: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem Description 某省调查城镇交通状况，得到现有城镇道路统计表，表中列出了每条道路直接连通的城镇。省政府“畅通工程”的目标是使全省任何两个城镇间都可以实现交通（但不一定有直接的道路相连，只要互相间接通过道路可 阅读全文