title: Sum Matrix Element Absolute Difference Row Column Numbers 2
signature: int sumMatrixElementAbsoluteDifferenceRowColumnNumbers2(int n) {
test_code: #include <algorithm>
  #include <assert.h>
  #include <cstdlib>
  #include <iostream>
  #include <map>
  #include <set>
  #include <string>
  #include <tuple> 
  #include <unordered_map>
  #include <vector>
  #include <math.h>
  #include <cmath>
  #include <bits/stdc++.h>
  #include <numeric>
  #include <functional>
  
  using namespace std;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual == expected;
  }
  
  string driver(int n, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(n), expected)){
              return "PASSED";
          }
          return "FAILED";
      }
      catch (const std::overflow_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::runtime_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::exception& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (...)
      {
          return "UNK_ERROR";
      }
  }
  
  int main() {
      string result = "";
  
      result = driver(12, 572); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(89, 234960); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(76, 146300); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(2, 2); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(81, 177120); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(11, 440); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(26, 5850); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(35, 14280); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(16, 1360); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(66, 95810); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def sum_matrix_element_absolute_difference_row_column_numbers_2(n):
      n -= 1
      sum = 0
      sum += ((n * (n + 1)) / 2)
      sum += (((n * (n + 1)) * ((2 * n) + 1)) / 6)
      return int(sum)
source_cpp: int sum_matrix_element_absolute_difference_row_column_numbers_2(int n) {
    n --;
    int sum = 0;
    sum += ( n * ( n + 1 ) ) / 2;
    sum += ( n * ( n + 1 ) * ( 2 * n + 1 ) ) / 6;
    return sum;
  }