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不充分利用题目条件当然慢了,呵呵

Posted by frkstyc at 2005-09-20 22:40:49 on Problem 1200
In Reply To:这道题的NC到底有什么用?我用hash过的,用的是lrj书上的hash函数,但是很慢,是不是需要设计和NC有关的hash函数? Posted by:firefox at 2005-09-20 18:07:06
> unsigned int hash(char*key){
>     unsigned long h=0;
>     while(*key){
>         h=(h<<4)+*key++;
>         unsigned long g=h&0xf0000000L;
>         if(g)h^=g>>24;
>         h&=~g;
>     }
>     return h%NHASH;
> }

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