A sudoku game, also can use it to fast solve sudoku.
If you use IDE, you can just add all the files in "src" to your IDE, and then "run" or "debug" in your IDE.
If not, you shold open the terminal, change the directory to this project, and enter the follwing commands.
Note: In first, you need to install cmake.
cmake -S . -B ./build
# also, if you use vs, you can skip following commands
# and find ".sln" in directory "build"
cd ./build
makeFinally, you can see the program "Sudoku" in directory "build".