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您的O(n)怎么那么慢？我保存了每个数前面、后面第一个比他小的，用dp,两层循环（里面那个肯定很快）。100ms左右.In Reply To:我对您的double不感兴趣，对O(n)很感兴趣。能说一下吗？ Posted by:tengshengbo at 2005-08-12 22:43:38 Followed by:
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