title: Maximum Sum Iarri Among Rotations Given Array 1
signature: class Solution {
  
      public int MaximumSumIarriAmongRotationsGivenArray1(List<int> arr, int n) {
test_code: using System;
  using System.Numerics;
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Security.Cryptography;
  using System.Web.UI;
  using System.Web.Script.Serialization;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  namespace EvaluatePrediction {
      class TestRunner {
          public bool ValidateSolution(int actual, int expected){
              return new JavaScriptSerializer().Serialize(actual) == new JavaScriptSerializer().Serialize(expected);
          }
  
          public string driver(List<int> arr, int n, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(arr, n); 
                if (ValidateSolution(
                      pred_result,
                      expected)){
                  return "PASSED";
                }
                return "FAILED";
              } 
              catch (Exception exception_obj)
              {
                return exception_obj.GetType().FullName;
              }
          }
          static void Main(string[] args) {
              TestRunner runner = new TestRunner();
              String result;
              result = runner.driver(
                  new List<int>{6, 6, 13, 14, 16, 20, 24, 24, 24, 27, 28, 36, 49, 51, 55, 56, 62, 69, 74, 74, 76, 85, 86, 90, 92, 98}, 13, 
                  2249
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-42, 96, 68, 64, 14, -74, 76, 42, 34, -92, -20, 28, -80, -34, -22, 96, -46, 96, 10, -82, 82, 50, -24, 48, 56, 72, -40, -86, 84, 66, -62, 50, -76, 34}, 27, 
                  9152
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1}, 10, 
                  35
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{37, 88, 70, 86, 24, 62, 34, 44, 37, 42, 46, 34, 23, 32, 55, 2, 5, 70, 30, 46, 40, 65, 91, 4, 7, 74, 46, 12, 30, 22, 1, 91, 89, 88, 97, 6, 6, 11, 33, 14, 68, 24}, 39, 
                  34887
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-92, -90, -70, -70, -10, 2, 10, 12, 14, 40, 44, 46, 64, 68, 68, 96}, 11, 
                  586
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1}, 15, 
                  58
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{9, 15, 15, 17, 19, 20, 21, 23, 25, 25, 25, 32, 32, 33, 45, 51, 54, 59, 68, 71, 71, 71, 72, 75, 78, 80, 82, 82, 88, 89, 92, 93, 94, 97}, 22, 
                  11145
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{52, -78, -80, 32, -56, -98, -36, 86, 34, -36, 42, 46, 50, 0, 34, -46, -2, -18, -96, 12, -42, 62, 32, 78, 66, -8, 50, 60, 10, -18, 66, 80, -24, -98, 8, 48, 34, 44, -80, -34, 72, 0, -60, 52, 40, 20}, 45, 
                  14776
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 33, 
                  297
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{45, 35, 25, 7, 24, 73, 25, 86, 48, 70, 47, 91, 96, 15, 39, 9}, 8, 
                  1359
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def maximum_sum_iarri_among_rotations_given_array_1(arr, n):
      cum_sum = 0
      for i in range(0, n):
          cum_sum += arr[i]
      curr_val = 0
      for i in range(0, n):
          curr_val += (i * arr[i])
      res = curr_val
      for i in range(1, n):
          next_val = ((curr_val - (cum_sum - arr[(i - 1)])) + (arr[(i - 1)] * (n - 1)))
          curr_val = next_val
          res = max(res, next_val)
      return res
source_cpp: int maximum_sum_iarri_among_rotations_given_array_1(vector<int> arr, int n) {
    int cum_sum = 0;
    for ( int i = 0;
    i < n;
    i ++ ) cum_sum += arr [ i ];
    int curr_val = 0;
    for ( int i = 0;
    i < n;
    i ++ ) curr_val += i * arr [ i ];
    int res = curr_val;
    for ( int i = 1;
    i < n;
    i ++ ) {
      int next_val = curr_val - ( cum_sum - arr [ i - 1 ] ) + arr [ i - 1 ] * ( n - 1 );
      curr_val = next_val;
      res = max ( res, next_val );
    }
    return res;
  }