int algo(char **tab, int pos)
{
int x;
int y;
char k;
x = pos % 9;
y = pos / 9;
k = '1';
if (pos == 81)
return (0);
if (tab[y][x] != ' ')
return (algo(tab, (pos + 1)));
while (k <= '9')
{
if ((algo_line(tab, y, k) == 0) && (algo_cols(tab, x, k) == 0)
&& (algo_square(tab, x, y, k) == 0))
{
tab[y][x] = k;
if (algo(tab, (pos + 1)) == 0)
return (0);
}
k = k + 1;
}
tab[y][x] = ' ';
return (1);
}
void draw_line(Image* image, int x1, int y1, int x2, int y2, color_t color)
{
Data data = { image, color };
algo_line(x1, y1, x2, y2, &data, (AlgoPixel)pixel_for_image);
}