This program requires SDL2 and SDL Image libraries to compile. You can find them here: http://libsdl.org/download-2.0.php and http://www.libsdl.org/projects/SDL_image/.
Input board is on the left. Click on the buttons:
- LMB to increment a number on the board
- RMB to decrement a number on the board
- MMB to erase number on the board
After you are finished pressing buttons, press SPACE to start solving sudoku. The given board will be shown in the right upper corner. This process can last from a couple of seconds up to a couple of minutes on an empty board and make the program unresponsive. One of the possible solutions will be shown in the right lower corner. All of the solutions will be written in sudoku_solutions.out file.
The program can be executed from console. There are two options available:
- -f or --file + fileName enables input from a text file. Program will read sudoku board from a file and initialize the button board accordingly.
- -l or --log enables logging into sudoku.log file