C++编写的解数独小工具，深度优先搜索算法。使用时输入0代表空格，其它为原数字，输入完成后即可在0.1秒之内看到计算结果~-Sudoku gadget C++ prepared, depth first search algorithm. When using 0 representative input space, the other for the original digital input, completed in 0.1 seconds to see the results.