剪刀、石头、布游戏的C++实现。玩家与电脑对战，可以选择游戏难度、游戏次数、开始、退出等。功能简单，但可扩展性强。-Scissors, stone, cloth game C++ implementation. Players and play against the computer, you can choose the game difficulty, game times, beginning, exit and so on.