title: Sum Matrix Element Absolute Difference Row Column Numbers 1
signature: int sumMatrixElementAbsoluteDifferenceRowColumnNumbers1(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(63, 83328); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(72, 124392); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(28, 7308); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(35, 14280); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(6, 70); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(70, 114310); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(20, 2660); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(8, 168); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(8, 168); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(35, 14280); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def sum_matrix_element_absolute_difference_row_column_numbers_1(n):
      sum = 0
      for i in range(n):
          sum += (i * (n - i))
      return (2 * sum)
source_cpp: int sum_matrix_element_absolute_difference_row_column_numbers_1(int n) {
    int sum = 0;
    for ( int i = 0;
    i < n;
    i ++ ) sum += i * ( n - i );
    return 2 * sum;
  }