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

來源: endofsuburbia 於 2010-02-06 08:06:16 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (174 bytes)

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.

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