title: Possible Form Triangle Array Values
signature: class Solution {
  
      public bool PossibleFormTriangleArrayValues(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(bool actual, bool expected){
              return new JavaScriptSerializer().Serialize(actual) == new JavaScriptSerializer().Serialize(expected);
          }
  
          public string driver(List<int> arr, int n, bool expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                bool 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>{2, 6, 8, 10, 14, 15, 16, 19, 21, 26, 26, 26, 28, 29, 30, 33, 33, 35, 36, 36, 41, 44, 45, 45, 45, 49, 51, 54, 57, 59, 61, 64, 68, 70, 70, 72, 73, 74, 76, 78, 87, 89, 89, 91, 92, 93, 94, 95, 97}, 25, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-96, -94, -90, -86, -78, -78, -74, -72, -64, -64, -58, -56, -50, -46, -44, -36, -26, -14, -12, -10, -4, 4, 10, 16, 18, 22, 30, 32, 38, 46, 46, 50, 54, 56, 72, 74, 82, 86, 86, 88, 90, 96}, 23, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 10, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{24, 24, 41, 80, 90, 95}, 4, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-90, -88, -84, -82, -82, -80, -70, -66, -62, -60, -60, -48, -46, -44, -42, -20, -16, -4, 18, 26, 28, 32, 36, 46, 60, 62, 68, 72, 78, 98}, 21, 
                  true
              );
              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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 25, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{3, 9, 14, 16, 16, 26, 30, 31, 32, 37, 42, 42, 43, 49, 51, 56, 64, 69, 76, 77, 77, 79, 85, 88, 89, 91, 94, 95}, 19, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-90, -84, -74, -68, -66, -60, -60, -60, -58, -52, -50, -42, -38, -34, -30, 6, 30, 42, 60, 80, 94, 98}, 11, 
                  false
              );
              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, 1, 1, 1, 1, 1, 1, 1, 1}, 18, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 3, 5, 8, 13, 15, 16, 22, 24, 26, 30, 31, 31, 33, 34, 39, 39, 40, 46, 49, 50, 51, 52, 59, 66, 69, 77, 80, 88, 90}, 23, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def possible_form_triangle_array_values(arr, N):
      if (N < 3):
          return False
      arr.sort()
      for i in range((N - 2)):
          if ((arr[i] + arr[(i + 1)]) > arr[(i + 2)]):
              return True
source_cpp: bool possible_form_triangle_array_values(vector<int> arr, int N) {
    if ( N < 3 ) return false;
    sort(arr.begin(), arr.end());
    for ( int i = 0;
    i < N - 2;
    i ++ ) if ( arr [ i ] + arr [ i + 1 ] > arr [ i + 2 ] ) return true;
  }