title: Possible To Make A Divisible By 3 Number Using All Digits In An Array
signature: class Solution {
  
      public bool PossibleToMakeADivisibleBy3NumberUsingAllDigitsInAnArray(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, 4, 9, 11, 12, 15, 16, 19, 21, 21, 23, 23, 24, 30, 31, 31, 32, 34, 37, 41, 41, 43, 45, 46, 47, 54, 58, 60, 62, 66, 66, 74, 74, 75, 75, 77, 77, 85, 89, 90, 92, 92, 93, 95, 98}, 30, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 66, 92, 24, -8, 88, -92, 86, 80, 82, 42, -20, -56, -2, -84, 32}, 14, 
                  false
              );
              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, 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}, 29, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{99, 83, 11, 99, 80, 76, 32, 12, 94, 66, 76}, 5, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-88, -84, -80, -80, -80, -80, -72, -68, -64, -62, -60, -52, -48, -44, -36, -24, -20, -18, -14, -8, -6, -6, -4, 6, 10, 14, 18, 24, 26, 26, 50, 50, 52, 60, 76, 90, 96, 98}, 19, 
                  true
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1}, 14, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{6, 6, 8, 8, 10, 24, 24, 26, 27, 30, 34, 34, 36, 36, 39, 40, 41, 44, 45, 50, 52, 53, 57, 62, 64, 64, 70, 71, 72, 78, 78, 79, 80, 82, 89, 95, 96}, 28, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-28, -84, -14, -20, -14, -26, 28, -66, 48, 82, -46, -10, -94, 76, 56, -6, 72, -92, -32, 66, 50, -72, 64, 12, 48, 88, -36, -12, -6, -18, -36, -34, 44, 40, -54}, 25, 
                  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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 19, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{17, 47, 89, 75, 57, 69, 70, 57, 83, 79, 57, 49}, 8, 
                  false
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def possible_to_make_a_divisible_by_3_number_using_all_digits_in_an_array(arr, n):
      remainder = 0
      for i in range(0, n):
          remainder = ((remainder + arr[i]) % 3)
      return (remainder == 0)
source_cpp: bool possible_to_make_a_divisible_by_3_number_using_all_digits_in_an_array(vector<int> arr, int n) {
    int remainder = 0;
    for ( int i = 0;
    i < n;
    i ++ ) remainder = ( remainder + arr [ i ] ) % 3;
    return ( remainder == 0 );
  }