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我搞了好久才优化好hash

Posted by ArXoR at 2005-05-06 15:12:42 on Problem 1186
In Reply To:Re:啊？难道您不是用hash？直接sort之后统计？ Posted by:frkstyc at 2005-05-06 15:07:13 
没想到double hash效率比链hash高那么多...大家用内存都好少,怎么做到的?
hash用什么方式?

> 有hash，是对乘方的结果做了hash，除此之外就没了
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