title: Find Maximum Product Of A Triplet In Array 1
signature: class Solution {
  
      public int FindMaximumProductOfATripletInArray1(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>{5, 8, 14, 15, 18, 21, 21, 21, 27, 29, 30, 33, 34, 34, 35, 37, 40, 41, 44, 44, 46, 49, 54, 58, 60, 61, 61, 63, 66, 69, 69, 70, 81, 82, 82, 90, 90, 90, 91, 92, 92, 96, 97, 99}, 39, 
                  737100
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-98, -98, -90, -88, -76, -66, -60, -58, -56, -52, -50, -32, -32, -22, -2, 12, 18, 28, 32, 48, 50, 56, 68, 70, 70, 72}, 18, 
                  268912
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{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, 1, 1, 1, 1, 1, 1, 1}, 17, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{2, 5, 5, 6, 17, 18, 18, 31, 38, 49, 53, 62, 63, 66, 69, 72, 74, 76, 76, 77, 81, 86, 91, 94, 95, 99, 99}, 21, 
                  474012
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-92, -58, -8, 20, 24, 24, 42, 98}, 4, 
                  106720
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{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, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 38, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{46, 64, 81}, 1, 
                  -1
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-96, -92, -80, -40, -26, -18, -14, -8, -4, 4, 20, 34, 34, 42, 44, 58, 60, 68, 76, 92, 94, 96}, 17, 
                  529920
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 1, 1, 1, 1, 1}, 7, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 1, 4, 6, 17, 17, 18, 23, 28, 41, 46, 52, 58, 61, 70, 73, 75, 79, 79, 83, 94, 97, 98}, 19, 
                  468075
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def find_maximum_product_of_a_triplet_in_array_1(arr, n):
      if (n < 3):
          return (- 1)
      arr.sort()
      return max(((arr[0] * arr[1]) * arr[(n - 1)]), ((arr[(n - 1)] * arr[(n - 2)]) * arr[(n - 3)]))
source_cpp: int find_maximum_product_of_a_triplet_in_array_1(vector<int> arr, int n) {
    if ( n < 3 ) return - 1;
    sort(arr.begin(), arr.end());
    return max ( arr [ 0 ] * arr [ 1 ] * arr [ n - 1 ], arr [ n - 1 ] * arr [ n - 2 ] * arr [ n - 3 ] );
  }