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仔细的分析吧，也需要一些猜想。我只会O(N)的，不知道有没有O(1)的算法In Reply To:谁能提示一下这道题的方法？ Posted by:hujialie at 2004-05-15 13:40:38 > 看不出有什么规律~~ Followed by: Post your reply here: |
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