title: Sum Matrix Element Element Integer Division Row Column 1
signature: class Solution {
  
      public int SumMatrixElementElementIntegerDivisionRowColumn1(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(int n, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(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(
                  35, 
                  630
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  93, 
                  4371
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  7, 
                  28
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  81, 
                  3321
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  80, 
                  3240
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  47, 
                  1128
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  7, 
                  28
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  41, 
                  861
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  59, 
                  1770
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  34, 
                  595
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def sum_matrix_element_element_integer_division_row_column_1(n):
      ans = 0
      temp = 0
      for i in range(1, (n + 1)):
          if (temp < n):
              temp = (i - 1)
              num = 1
              while (temp < n):
                  if ((temp + i) <= n):
                      ans += (i * num)
                  else:
                      ans += ((n - temp) * num)
                  temp += i
                  num += 1
      return ans
source_cpp: int sum_matrix_element_element_integer_division_row_column_1(int n) {
    int ans = 0, temp = 0, num;
    for ( int i = 1;
    i <= n && temp < n;
    i ++ ) {
      temp = i - 1;
      num = 1;
      while ( temp < n ) {
        if ( temp + i <= n ) ans += ( i * num );
        else ans += ( ( n - temp ) * num );
        temp += i;
        num ++;
      }
    }
    return ans;
  }