title: Multiply An Integer With 3 5
signature: function multiply_an_integer_with_3_5(x)
source_py: def multiply_an_integer_with_3_5(x):
      return (((x << 1) + x) + (x >> 1))
source_cpp: int multiply_an_integer_with_3_5(int x) {
    return ( x << 1 ) + x + ( x >> 1 );
  }
question_info.entry_fn_name: multiply_an_integer_with_3_5
question_info.entry_cls_name: Solution
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
question_info.test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(x, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(x) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver(58, 203)
      print(string.format("TEST-0...%s",result))
  
      result = driver(16, 56)
      print(string.format("TEST-1...%s",result))
  
      result = driver(82, 287)
      print(string.format("TEST-2...%s",result))
  
      result = driver(33, 115)
      print(string.format("TEST-3...%s",result))
  
      result = driver(88, 308)
      print(string.format("TEST-4...%s",result))
  
      result = driver(51, 178)
      print(string.format("TEST-5...%s",result))
  
      result = driver(81, 283)
      print(string.format("TEST-6...%s",result))
  
      result = driver(38, 133)
      print(string.format("TEST-7...%s",result))
  
      result = driver(79, 276)
      print(string.format("TEST-8...%s",result))
  
      result = driver(89, 311)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
question_info.test_list: [{"idx": 0, "outputs": 203, "inputs": {"x": 58}}, {"idx": 1, "outputs": 56, "inputs": {"x": 16}}, {"idx": 2, "outputs": 287, "inputs": {"x": 82}}, {"idx": 3, "outputs": 115, "inputs": {"x": 33}}, {"idx": 4, "outputs": 308, "inputs": {"x": 88}}, {"idx": 5, "outputs": 178, "inputs": {"x": 51}}, {"idx": 6, "outputs": 283, "inputs": {"x": 81}}, {"idx": 7, "outputs": 133, "inputs": {"x": 38}}, {"idx": 8, "outputs": 276, "inputs": {"x": 79}}, {"idx": 9, "outputs": 311, "inputs": {"x": 89}}]