在VC环境下用C++语言编写的一字棋小程序，采用人工智能原理里的博弈树的启发式搜索原理-VC environment in C++ language with the preparation of the word game of small procedures, the principle of the use of artificial intelligence in the game tree search heuristic principle

write a c/c++ heuristic function for the tic-tac-toe game Example of an input E X O O X E X E O