title: Program For Surface Area Of Octahedron
signature: class Solution {
  
      public decimal ProgramForSurfaceAreaOfOctahedron(decimal side) {
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(decimal actual, decimal expected){
              return Math.Abs(actual - expected) < 1e-09m;
          }
  
          public string driver(decimal side, decimal expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                decimal pred_result = solution_cls.PLACEHOLDER_FN_NAME(side); 
                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(
                  1449.255716877097m, 
                  7275798.574924052m
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  -8772.104874265995m, 
                  266562009.34357828m
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  2948.419328234334m, 
                  30114046.875937637m
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  -1184.220109553511m, 
                  4857977.358664159m
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  7422.825800698956m, 
                  190866258.51879707m
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  -5808.280006171851m, 
                  116865336.10679008m
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  829.8963781665169m, 
                  2385823.7719733207m
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  -7368.438572511732m, 
                  188079541.63799432m
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  5572.033890611617m, 
                  107551908.5552799m
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  -3998.9441642787706m, 
                  55396369.52612884m
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def program_for_surface_area_of_octahedron(side):
      return ((2 * math.sqrt(3)) * (side * side))
source_cpp: double program_for_surface_area_of_octahedron(double side) {
    return ( 2 * ( sqrt ( 3 ) ) * ( side * side ) );
  }