EIP_silly的博客

POJ-3470 Walls Time Limit: 6000MS Memory Limit: 131072K Total Submissions: 2624 Accepted: 402 Case Time Limit: 3000MS Description There are N walls. A wall has an infinity height, so it looks like a...

Inner Vertices Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 3253 Accepted: 954 Case Time Limit: 2000MS Description There is an infinite square grid. Some vertices of the grid are black...