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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?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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