用C语言编写四子棋AI的平台，用户可以再里面添加自己的AI，或者选择人机对战，并且已经有50个AI可以挑战，建议使用搜索树，最高AI难度很强的，想挑战下么？-The four sub chess AI platform using the C language, the user can add their own AI, or select the man-machine war, and has 50 AI can be a challenge, it is recommended to u

五子棋，运用算法知识，建立五子棋平台。实现对战(Gobang, the use of algorithm knowledge, the establishment of backgammon platform. Realization of war)