title: Sum Of All Elements Up To Nth Row In A Pascals Triangle 1
signature: function sum_of_all_elements_up_to_nth_row_in_a_pascals_triangle_1(n)
source_py: def sum_of_all_elements_up_to_nth_row_in_a_pascals_triangle_1(n):
      sum = 0
      sum = (1 << n)
      return (sum - 1)
source_cpp: long long int sum_of_all_elements_up_to_nth_row_in_a_pascals_triangle_1(int n) {
    long long int sum = 0;
    sum = 1 << n;
    return ( sum - 1 );
  }
question_info.entry_fn_name: sum_of_all_elements_up_to_nth_row_in_a_pascals_triangle_1
question_info.entry_cls_name: Solution
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6']
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(n, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(n) 
      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(53, 9007199254740991)
      print(string.format("TEST-0...%s",result))
  
      result = driver(3, 7)
      print(string.format("TEST-1...%s",result))
  
      result = driver(28, 268435455)
      print(string.format("TEST-2...%s",result))
  
      result = driver(44, 17592186044415)
      print(string.format("TEST-3...%s",result))
  
      result = driver(46, 70368744177663)
      print(string.format("TEST-4...%s",result))
  
      result = driver(3, 7)
      print(string.format("TEST-5...%s",result))
  
      result = driver(16, 65535)
      print(string.format("TEST-6...%s",result))
  
  end
  
  main()
question_info.test_list: [{"idx": 0, "outputs": 9007199254740991, "inputs": {"n": 53}}, {"idx": 1, "outputs": 7, "inputs": {"n": 3}}, {"idx": 2, "outputs": 268435455, "inputs": {"n": 28}}, {"idx": 3, "outputs": 17592186044415, "inputs": {"n": 44}}, {"idx": 4, "outputs": 70368744177663, "inputs": {"n": 46}}, {"idx": 5, "outputs": 7, "inputs": {"n": 3}}, {"idx": 6, "outputs": 65535, "inputs": {"n": 16}}]