| arguments | means |
|---|---|
| -c N | generate N sudoku-s |
| -s path | solve sudoku puzzles in path file |
a valid data input is as follows:
6 4 0 0 0 0 0 7 0
0 0 0 2 3 0 0 0 0
0 0 0 0 5 0 0 0 0
1 0 0 0 0 6 0 4 0
5 0 3 0 0 0 0 0 0
0 0 2 0 0 0 0 0 0
0 7 0 1 0 0 0 0 0
0 0 0 0 0 0 5 0 3
0 0 0 0 0 0 8 0 0
6 4 0 0 0 0 0 7 0
0 0 0 2 5 0 0 0 0
0 0 0 0 1 0 0 0 0
1 0 0 0 0 6 0 4 0
3 0 2 0 0 0 0 0 0
0 0 5 0 0 0 0 0 0
0 7 0 3 0 0 0 0 0
0 0 0 0 0 0 5 0 1
0 0 0 0 0 0 8 0 0
………………
note that no space or other charactors other than '\n' is at the end of a line.