title: Sum Matrix Element Absolute Difference Row Column Numbers 1
signature: function sumMatrixElementAbsoluteDifferenceRowColumnNumbers1($n) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($n, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($n), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        63, 
        83328));
      
      printf("TEST-1...%s\n",driver(
        72, 
        124392));
      
      printf("TEST-2...%s\n",driver(
        28, 
        7308));
      
      printf("TEST-3...%s\n",driver(
        35, 
        14280));
      
      printf("TEST-4...%s\n",driver(
        6, 
        70));
      
      printf("TEST-5...%s\n",driver(
        70, 
        114310));
      
      printf("TEST-6...%s\n",driver(
        20, 
        2660));
      
      printf("TEST-7...%s\n",driver(
        8, 
        168));
      
      printf("TEST-8...%s\n",driver(
        8, 
        168));
      
      printf("TEST-9...%s\n",driver(
        35, 
        14280));
      
  }
  
  main();
  ?>
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;
  }