hash_.cpp

#include <stdio.h>

void hash(const unsigned char* buf, size_t len, unsigned long long *hash1, unsigned long long *hash2)
{
    unsigned long long &h=*hash1;
    unsigned long long &j=*hash2;
    size_t l = len;
    const unsigned char* b = buf;

h=0xC0CC3051F486B191;
j=0x9A318B5A176B8125;
char q=0;
for(int i=0;i<l;++i){
char w=buf[i];
h+=((w<<27)*257);
j^=(h+0x5233);
h+=0xAA02129953CC12C3*(j>>32);
j^=(w+0x134)*(q-0x16C552F34);
q=w;
}
}

int main() {
    unsigned char buf[1024];
    int l  = fread(buf, 1, 1024, stdin);
    unsigned long long q, w;
    hash(buf, l, &q, &w);
    printf("%016llX%016llX\n", q, w);
}