Deleting Edges                                                                                  Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)                                                                    …

To and Fro Time Limit: 2 Seconds      Memory Limit: 65536 KB Mo and Larry have devised a way of encrypting messages. They first decide secretly on the number of columns and write the message (letters only) down the columns, padding with extra random…

Jessica's Reading Problem Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12346   Accepted: 4199 Description Jessica's a very lovely girl wooed by lots of boys. Recently she has a problem. The final exam is coming, yet she has spent litt…

Automatic Judge Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 16    Accepted Submission(s): 11 Problem Description Welcome to HDU to take part in the second CCPC girls' competition! A new a…

Happy Necklace                                                                           Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)                                                                            …

Graph Theory                                                                 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)                                                                                        …

Easy Summation                                                             Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)                                                                                          …

Network Saboteur Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10147 Accepted: 4849 Description A university network is composed of N computers. System administrators gathered information on the traffic between nodes, and carefully divid…

滑雪 Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 83276 Accepted: 31159 Description Michael喜欢滑雪百这并不奇怪, 因为滑雪的确很刺激.可是为了获得速度,滑的区域必须向下倾斜,而且当你滑到坡底,你不得不再次走上坡或者等待升降机来载你.Michael想知道载一个区域中最长底滑坡.区域由一个二维数组给出.数组的每个数字代表点的高度.下面是一个例子 1 2 3 4 5 16 17 18 1…

Lunch Time Time Limit: 2 Seconds Memory Limit: 65536 KB The 999th Zhejiang Provincial Collegiate Programming Contest will be held in Marjar University. The canteen of Marjar University is making preparations for this grand competition. The canteen pr…