由于这个结果保存在一个整数变量中，因此，显示值的消息应该使用一个格式化代码，为代码填充具有前导零的四个字符。该代码数量不到1000个。

Because this result is held in an integer variable, a message to display the value should use a formatting code to pad to four characters with leading zeros for codes that are numbered less than 1000.

youdao