title: Maximum Triplet Sum Array 1
signature: class Solution {
  
      public int MaximumTripletSumArray1(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, 8, 18, 18, 27, 33, 33, 38, 42, 43, 44, 47, 52, 58, 64, 65, 67, 68, 71, 75, 85, 89, 91, 94, 94, 95, 95}, 26, 
                  283
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-88, -84, -82, -58, -12, 18, 24, 24, 28, 30, 34, 44, 92, 94}, 8, 
                  66
              );
              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, 1, 1, 1, 1, 1, 1, 1}, 15, 
                  2
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 2, 4, 5, 9, 11, 12, 15, 16, 18, 18, 21, 23, 25, 25, 26, 27, 28, 31, 34, 35, 47, 51, 55, 63, 63, 66, 67, 70, 70, 72, 73, 73, 75, 76, 79, 81, 84, 87, 87, 92, 94, 95}, 37, 
                  236
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-86, -86, -78, -56, -24, -14, -10, -6, 12, 12, 18, 22, 22, 26, 50, 50, 72, 78, 94}, 9, 
                  -4
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1}, 9, 
                  2
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{2, 13, 17, 19, 20, 23, 28, 28, 29, 40, 45, 51, 52, 58, 58, 68, 70, 75, 79, 81, 92, 96, 97}, 15, 
                  168
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-78, -62, -46, -36, -20, -4, 4, 6, 6, 40, 50, 52, 64, 76, 94}, 13, 
                  166
              );
              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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 27, 
                  3
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{3, 3, 4, 5, 6, 7, 11, 11, 14, 15, 17, 22, 25, 32, 33, 34, 35, 42, 44, 44, 52, 57, 58, 66, 70, 89}, 13, 
                  64
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def maximum_triplet_sum_array_1(arr, n):
      arr.sort()
      return ((arr[(n - 1)] + arr[(n - 2)]) + arr[(n - 3)])
source_cpp: int maximum_triplet_sum_array_1(vector<int> arr, int n) {
    sort(arr.begin(), arr.end());
    return arr [ n - 1 ] + arr [ n - 2 ] + arr [ n - 3 ];
  }