回复：回复：回复：expert level - hard and time consuming

来源: 于 2010-02-06 08:06:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Haha, you are right. It would be the correct answer if the integer is between 2 and 99. I did it with someone in this forum a few years ago. It is very time consuming indeed.