title: Maximum Sum Iarri Among Rotations Given Array
signature: class Solution {
  
      public int MaximumSumIarriAmongRotationsGivenArray(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>{11, 12, 16, 26, 29, 40, 54, 59, 65, 70, 71, 73, 78, 81, 87, 87, 88, 90, 95, 97}, 11, 
                  3035
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-46, -32, 54, 96, -72, -58, -36, -44, 26, -2, -68, 42, 90, 26, -92, -96, 88, -42, -18, 46, -70, 24, 0, 24, 34, 34, -52, 50, 94, -60, 64, 58}, 22, 
                  592
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 33, 
                  392
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{48, 2, 79, 98, 28, 17, 41, 47, 61, 76, 82, 5, 74, 4, 80, 51, 22, 45, 91, 75, 91, 93, 42, 45, 69, 98, 76, 74, 83, 17, 30, 88, 53, 25, 35, 19, 26}, 20, 
                  10714
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-88, -84, -82, -74, -44, -34, -32, -20, -20, -14, 6, 6, 10, 12, 16, 24, 32, 34, 38, 46, 54, 54, 56, 60, 82, 88, 90, 94, 98}, 24, 
                  7026
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1}, 7, 
                  19
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{10, 14, 14, 14, 19, 20, 22, 26, 35, 36, 40, 53, 54, 55, 55, 57, 57, 67, 72, 72, 77, 78, 83, 84, 95, 96}, 16, 
                  5149
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-80, 18, -76, 48, -52, -38, 52, -82, 40, -44, -90, 86, -86, -36, -32, -2, 56, -12, -88, 14, -16, 8, 52, 24, 46, 56, 84, -36, 84, -60, 72, -46, 32, -16, -20, 68, -86, -62, 58, 8, 78, -52, 22, -28, -22, -42, 12, -48}, 30, 
                  4226
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1}, 14, 
                  46
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{20, 94, 36, 2, 50, 62, 84, 50, 66, 75, 1, 18, 41, 48, 72, 61, 86, 22, 54, 6, 71, 46, 92, 68, 59, 51, 89, 31, 58, 78, 82, 84}, 25, 
                  16847
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def maximum_sum_iarri_among_rotations_given_array(arr, n):
      res = (- sys.maxsize)
      for i in range(0, n):
          curr_sum = 0
          for j in range(0, n):
              index = int(((i + j) % n))
              curr_sum += (j * arr[index])
          res = max(res, curr_sum)
      return res
source_cpp: int maximum_sum_iarri_among_rotations_given_array(vector<int> arr, int n) {
    int res = INT_MIN;
    for ( int i = 0;
    i < n;
    i ++ ) {
      int curr_sum = 0;
      for ( int j = 0;
      j < n;
      j ++ ) {
        int index = ( i + j ) % n;
        curr_sum += j * arr [ index ];
      }
      res = max ( res, curr_sum );
    }
    return res;
  }