Function to test if any one of them matches with the given 2 - D array
bool testGrid ( char testGrid [ ] [ 1001 ] , char Grid [ ] [ 1001 ] , int N , int M ) { for ( int i = 0 ; i < N ; i ++ ) { for ( int j = 0 ; j < M ; j ++ ) { if ( Grid [ i ] [ j ] != ' * ' ) { if ( Grid [ i ] [ j ] != testGrid [ i ] [ j ] ) { return false ; } } } } return true ; }