| 36 | return true; |
| 37 | } |
| 38 | bool helper(int grid[N][N], int row ,int col){ |
| 39 | if (row==9) return true; |
| 40 | if (col==9) return helper(grid,row+1,0); |
| 41 | if (grid[row][col] != 0) return helper(grid,row,col+1); |
| 42 | |
| 43 | for(int i=1;i<=9;i++){ |
| 44 | if (check(grid,row,col,i)){ |
| 45 | grid[row][col]=i; |
| 46 | if (helper(grid,row,col+1)){ |
| 47 | return true; |
| 48 | } |
| 49 | } |
| 50 | grid[row][col]=0; |
| 51 | } |
| 52 | return false; |
| 53 | |
| 54 | } |
| 55 | bool SolveSudoku(int grid[N][N]) |
| 56 | { |
| 57 | // Your code here |