title: Minimum Rotations Unlock Circular Lock
signature: function minimum_rotations_unlock_circular_lock(input, unlock_code)
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(input, unlock_code, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(input, unlock_code) 
      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(71, 46, 8)
      print(string.format("TEST-0...%s",result))
  
      result = driver(90, 65, 8)
      print(string.format("TEST-1...%s",result))
  
      result = driver(28, 84, 8)
      print(string.format("TEST-2...%s",result))
  
      result = driver(41, 23, 4)
      print(string.format("TEST-3...%s",result))
  
      result = driver(32, 58, 6)
      print(string.format("TEST-4...%s",result))
  
      result = driver(39, 82, 8)
      print(string.format("TEST-5...%s",result))
  
      result = driver(33, 58, 7)
      print(string.format("TEST-6...%s",result))
  
      result = driver(89, 32, 8)
      print(string.format("TEST-7...%s",result))
  
      result = driver(50, 51, 1)
      print(string.format("TEST-8...%s",result))
  
      result = driver(92, 77, 7)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
source_py: def minimum_rotations_unlock_circular_lock(input, unlock_code):
      rotation = 0
      while ((input > 0) or (unlock_code > 0)):
          input_digit = (input % 10)
          code_digit = (unlock_code % 10)
          rotation += min(abs((input_digit - code_digit)), (10 - abs((input_digit - code_digit))))
          input = int((input / 10))
          unlock_code = int((unlock_code / 10))
      return rotation
source_cpp: int minimum_rotations_unlock_circular_lock(int input, int unlock_code) {
    int rotation = 0;
    int input_digit, code_digit;
    while ( input || unlock_code ) {
      input_digit = input % 10;
      code_digit = unlock_code % 10;
      rotation += min ( abs ( input_digit - code_digit ), 10 - abs ( input_digit - code_digit ) );
      input /= 10;
      unlock_code /= 10;
    }
    return rotation;
  }