本文件包含两个小算法，一个是ACM棋盘分割问题，另一个是ACM树上路径问题，这两个都是经典的算法，本人用的VC，算法效率极高，并且绝不会与别人的算法重复-This document contains two small algorithm, a chessboard segmentation problem is the ACM, and the other is the ACM tree path problem, which are both classical algorithm, I u