static int maxDifference ( int arr [ ] , int N , int k ) {
  int M , S = 0 , S1 = 0 , max_difference = 0 ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) S += arr [ i ] ;
  int temp ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    for ( int j = i + 1 ;
    j < N ;
    j ++ ) {
      if ( arr [ i ] < arr [ j ] ) {
        temp = arr [ i ] ;
        arr [ i ] = arr [ j ] ;
        arr [ j ] = temp ;
      }
    }
  }
  M = Math . max ( k , N - k ) ;
  for ( int i = 0 ;
  i < M ;
  i ++ ) S1 += arr [ i ] ;
  max_difference = S1 - ( S - S1 ) ;
  return max_difference ;
}

static int maxDifference ( int arr [ ] , int N , int k ) { int M , S = 0 , S1 = 0 , max_difference = 0 ; for ( int i = 0 ; i < N ; i ++ ) S += arr [ i ] ; int temp ; for ( int i = 0 ; i < N ; i ++ ) { for ( int j = i + 1 ; j < N ; j ++ ) { if ( arr [ i ] < arr [ j ] ) { temp = arr [ i ] ; arr [ i ] = arr [ j ] ; arr [ j ] = temp ; } } } M = Math . max ( k , N - k ) ; for ( int i = 0 ; i < M ; i ++ ) S1 += arr [ i ] ; max_difference = S1 - ( S - S1 ) ; return max_difference ; }
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