text: check if every cell is identical
code: if ( arr [ i , j ] != arr [ k , j ] ) { horizontal = false ; break ; } } } if ( ! horizontal && ! vertical ) Console . WriteLine ( " NO " ) ; else if ( horizontal && ! vertical ) Console . WriteLine ( " HORIZONTAL " ) ; else if ( vertical && ! horizontal ) Console . WriteLine ( " VERTICAL " ) ; else Console . WriteLine ( " BOTH " ) ; }