一个简单的拼图游戏，供初级的新手练习，基本的代码已实现。-A simple puzzle game for the junior novice exercises, the basic code has been achieved.

经典的贪吃蛇游戏的代码，用C++编写，可作为C++新手的练习材料，在windows系统上运行-Classic Snake game code, written in C++, can be used as a beginner s C++ training materials, running on the windows system