max_kibble的博客

一 原题C. Covered Points Counttime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given nn segments on a coordinate line; each endpoint of every ...

一 原题PictureIOI 1998A number, N (1 <= N < 5000), of rectangular posters, photographs and other pictures of the same shape are pasted on a wall. Their sides are all vertical or horizontal. Each

一. 原题Barn RepairIt was a dark and stormy night that ripped the roof and gates off the stalls that hold Farmer John's cows. Happily, many of the cows were on vacation, so the barn was not com