Driver code
public static void Main ( String [ ] args ) { n = 4 ; int [ , ] dp = new int [ n , 4 ] ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < 4 ; j ++ ) { dp [ i , j ] = - 1 ; } } for ( int i = 0 ; i < n ; i ++ ) {