static int KnapSack ( int val [ ] , int wt [ ] , int n , int W ) {
  int [ ] dp = new int [ W + 1 ] ;
  Arrays . fill ( dp , 0 ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) for ( int j = W ;
  j >= wt [ i ] ;
  j -- ) dp [ j ] = Math . max ( dp [ j ] , val [ i ] + dp [ j - wt [ i ] ] ) ;
  return dp [ W ] ;
}

static int KnapSack ( int val [ ] , int wt [ ] , int n , int W ) { int [ ] dp = new int [ W + 1 ] ; Arrays . fill ( dp , 0 ) ; for ( int i = 0 ; i < n ; i ++ ) for ( int j = W ; j >= wt [ i ] ; j -- ) dp [ j ] = Math . max ( dp [ j ] , val [ i ] + dp [ j - wt [ i ] ] ) ; return dp [ W ] ; }
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