这是用C编写的数独游戏的算法，在main（） 中也设计了整个游戏的流程，运行就可以进入游戏。该数独游戏的算法可以随机产生有解的题目。-It is written in C Sudoku algorithm, in the main () is also designed to process the entire game, running you can enter the game. The Sudoku game algorithm can be randomly generated