摘要： Pie Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10629 Accepted: 3744 Special Judge Description My birthday is comin... 阅读全文

摘要： Assemble Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3171 Accepted: 1013 Description Recently your team noticed that ... 阅读全文

摘要： Help is needed for Dexter Time Limit: 3 Second Dexter is tired of Dee Dee. So he decided to keep Dee Dee busy in a game. The game he planned for... 阅读全文

摘要： 偶数矩阵（Even Parity, UVa 11464） 给你一个n×n的01矩阵（每个元素非0即1），你的任务是把尽量少的0变成1，使得每个元素的上、下、左、右的元素（如果存在的话）之和均为偶数。比如，如图1-6（a）所示的矩阵至少要把3个0变成1，最终如图1-6（b）所示，才能保证其为偶... 阅读全文