static int maxSum ( int arr [ ] , int n ) {
  int sum = 0 ;
  int i ;
  int pivot = findPivot ( arr , n ) ;
  int diff = n - 1 - pivot ;
  for ( i = 0 ;
  i < n ;
  i ++ ) {
    sum = sum + ( ( i + diff ) % n ) * arr [ i ] ;
  }
  return sum ;
}

static int maxSum ( int arr [ ] , int n ) { int sum = 0 ; int i ; int pivot = findPivot ( arr , n ) ; int diff = n - 1 - pivot ; for ( i = 0 ; i < n ; i ++ ) { sum = sum + ( ( i + diff ) % n ) * arr [ i ] ; } return sum ; }
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