cloudy_happy的博客

B - Tempter of the Bone HDU - 1010 The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the gro...

Red and Black There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of four adjacent ...

N皇后问题 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 31343    Accepted Submission(s): 13578  Problem Description在N*N的方格棋盘放置了N个皇后，使...