int hash(unsigned long key);
#include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include "hash.h" int main() { printf("%d\n", hash(inet_addr("127.0.0.1"))); printf("%d\n", hash(inet_addr("248.251.2.1"))); }
#define HASH_SIZE 1024 int hash(unsigned long key) { key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16); return key%HASH_SIZE; }
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#include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include "hash.h" int main() { printf("%d\n", hash(inet_addr("127.0.0.1"))); printf("%d\n", hash(inet_addr("248.251.2.1"))); }코드
#define HASH_SIZE 1024 int hash(unsigned long key) { key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16); return key%HASH_SIZE; }변경사항
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