Package not available for desirable amount of sweets
for ( int k = 1 ; k <= n ; ++ k ) dp [ i ] [ k ] [ 0 ] = -1 ; } for ( int i = 0 ; i <= m ; ++ i ) { for ( int j = 1 ; j <= n ; ++ j ) { for ( int k = 1 ; k <= n ; ++ k ) { dp [ i ] [ j ] [ k ] = -1 ;