- for (r = 0; r < 8; r++)
- if (rows[r] && up[r-c+7] && down[r+c]) {
- rows[r] = up[r-c+7] = down[r+c] = 0;
- x[c] = r;
- if (c == 7)
- print();
- else
- queens(c + 1);
- rows[r] = up[r-c+7] = down[r+c] = 1;
- }
+ for (r = 0; r < 8; r++)
+ if (rows[r] && up[r-c+7] && down[r+c]) {
+ rows[r] = up[r-c+7] = down[r+c] = 0;
+ x[c] = r;
+ if (c == 7)
+ print();
+ else
+ queens(c + 1);
+ rows[r] = up[r-c+7] = down[r+c] = 1;
+ }