一个简单的用二叉树实现的极大极小指算法人工智能井字棋游戏，使用C++的类，和STL模版库中的vector-A simple binary tree the minimax means algorithm artificial intelligence tic-tac-toe game of chess the class of C++, and STL template library in the vector

some stl stuff version 0, is pretty random, not very useful