title: Subsequences Size Three Array Whose Sum Divisible M
signature: class Solution {
  
      public int SubsequencesSizeThreeArrayWhoseSumDivisibleM(List<int> a, int n, int m) {
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> a, int n, int m, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(a, n, m); 
                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>{14, 35, 56, 70, 88}, 3, 4, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-50, -92, 16, -68, -36}, 3, 4, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 1, 1, 1}, 4, 5, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{76, 43, 22, 41, 49, 99, 25, 40, 3, 45, 60, 16, 83, 62, 26, 93, 64, 73, 72, 53, 6, 32, 35, 67, 17}, 14, 21, 
                  19
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-90, -86, -86, -66, -50, -48, -44, -42, -42, -38, -24, -22, -20, -18, -8, 8, 24, 28, 34, 48, 60, 62, 66, 68, 74, 76, 80, 82, 88}, 24, 20, 
                  207
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0}, 24, 30, 
                  120
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{4, 5, 8, 9, 10, 12, 13, 16, 17, 18, 21, 21, 25, 27, 28, 30, 36, 36, 54, 55, 56, 57, 60, 62, 67, 67, 68, 71, 72, 72, 73, 73, 77, 77, 83, 86, 86, 86, 87, 89, 92, 92, 96, 97, 97, 98}, 24, 23, 
                  85
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-64, 52, -32, 38, 8, -62, -56, 20, 72, -12, 32, 44}, 6, 6, 
                  2
              );
              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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 12, 15, 
                  220
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{77, 68, 45, 6, 27, 19, 29, 95, 21, 2, 39, 48, 72, 67, 49, 45, 1, 16, 56, 78, 25, 22, 27, 40, 31, 34, 26, 35, 12}, 25, 25, 
                  92
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def subsequences_size_three_array_whose_sum_divisible_m(A, N, M):
      sum = 0
      ans = 0
      for i in range(0, N):
          for j in range((i + 1), N):
              for k in range((j + 1), N):
                  sum = ((A[i] + A[j]) + A[k])
                  if ((sum % M) == 0):
                      ans = (ans + 1)
      return ans
source_cpp: int subsequences_size_three_array_whose_sum_divisible_m(vector<int> A, int N, int M) {
    int sum = 0;
    int ans = 0;
    for ( int i = 0;
    i < N;
    i ++ ) {
      for ( int j = i + 1;
      j < N;
      j ++ ) {
        for ( int k = j + 1;
        k < N;
        k ++ ) {
          sum = A [ i ] + A [ j ] + A [ k ];
          if ( sum % M == 0 ) ans ++;
        }
      }
    }
    return ans;
  }