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Re:不要O(nlgn),O(25000 * 16 * 26)的

Posted by cuiaoxiang at 2005-10-16 23:39:17 on Problem 2564
In Reply To:不要O(nlgn),O(25000 * 16 * 26)的 Posted by:frkstyc at 2005-10-16 23:11:05
你说的是不是就是 hash 表啊?
刚才稍微优化了一下,居然就过了,3秒好紧啊。
但是我的 hash 表怎么都要1400ms多(我用了vector,可能慢一点), 看到前面的帖子说可以O(nlogn)
不知道1秒内的是不是用这个方法?

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