static int maximize ( int A1 [ ] , int A2 [ ] , int n , int x , int y ) {
  int [ ] c = new int [ n ] ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    c [ i ] = A2 [ i ] - A1 [ i ] ;
    sum += A1 [ i ] ;
  }
  int temp ;
  for ( int i = 0 ;
  i < n - 1 ;
  i ++ ) {
    if ( c [ i ] < c [ i + 1 ] ) {
      temp = c [ i ] ;
      c [ i ] = c [ i + 1 ] ;
      c [ i + 1 ] = temp ;
    }
  }
  int maxi = - 1 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    sum += c [ i ] ;
    if ( i + 1 >= ( n - x ) ) maxi = Math . max ( sum , maxi ) ;
  }
  return maxi ;
}

static int maximize ( int A1 [ ] , int A2 [ ] , int n , int x , int y ) { int [ ] c = new int [ n ] ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) { c [ i ] = A2 [ i ] - A1 [ i ] ; sum += A1 [ i ] ; } int temp ; for ( int i = 0 ; i < n - 1 ; i ++ ) { if ( c [ i ] < c [ i + 1 ] ) { temp = c [ i ] ; c [ i ] = c [ i + 1 ] ; c [ i + 1 ] = temp ; } } int maxi = - 1 ; for ( int i = 0 ; i < n ; i ++ ) { sum += c [ i ] ; if ( i + 1 >= ( n - x ) ) maxi = Math . max ( sum , maxi ) ; } return maxi ; }
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