solving sudoku puzzle with backtracking
0 ==>> run make
1 ==>> ./sudoku [file sudoku] or ./sudoku [flag1] or/and [flag2] [file sudoku]
==> flags: -s[time milliseconds] ==> slow solving
: -S[time seconds] ==> time between each result "work whit many files"
example:
./sudoku maps/easy
or
./sudoku -s100000 maps/easy
or
./sudoku -S2 maps/easy maps/su
2 ==>> example file sudoku
2 1 0 3 9 0 4 0 5
0 9 0 0 0 7 0 0 2
0 0 3 2 8 0 0 1 0
0 0 1 0 0 2 0 0 4
0 4 0 8 3 0 0 2 7
8 2 0 0 4 0 1 0 3
0 0 0 0 1 0 7 3 8
0 8 0 0 6 3 2 0 0
3 0 4 9 0 0 0 5 1
or you can find it in folder 'maps'