用MFC写的数独小程序，内含使用说明书，本数独可以自动生成数据和手工输入数据，算法采用效率比较高的Dancing-Links算法。可以显示搜索过程。-Sudoku with MFC write a small program that includes manual, Sudoku can automatically generate the data and manually enter data, more efficient algorithm for Dancing-Links algo