| 27 | } |
| 28 | |
| 29 | void dfs(int row,int col) { |
| 30 | if (col >= N) { cnt++; return; } |
| 31 | |
| 32 | for (int i = 0; i < 8; ++i) { |
| 33 | if (grid[i][col] != '*' && is_safe(i,col)) { |
| 34 | grid[i][col] = 'G'; |
| 35 | dfs(i,col+1); |
| 36 | grid[i][col] = '.'; |
| 37 | } |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | int main(){ |
| 42 | ios_base::sync_with_stdio(false),cin.tie(nullptr); |