#include<stdio.h>
#include<stdlib.h>
#define OK 1
#define ERROR 0
#define TRUE 1
#define FALSE 0
#define MAXSIZE 100
#define SUCCESS 1
#define UNSUCCESS 0
#define HASHSIZE 12
#define NULLKEY -32768
typedef int Status;
typedef struct
{
int *elem;
int count;
}HashTable;
int m=0;
Status InitHashTable(HashTable *H)
{
int i;
m=HASHSIZE;
H->count=m;
H->elem=(int *)malloc(m*sizeof(int));
for(i=0;i<m;i++)
H->elem[i]=NULLKEY;
return OK;
}
int Hash(int key)
{
return key % m;
}
void InsertHash(HashTable *H,int key)
{
int addr = Hash(key);
while (H->elem[addr] != NULLKEY)
{
addr = (addr+1) % m;
}
H->elem[addr] = key;
}
Status SearchHash(HashTable H,int key,int *addr)
{
*addr = Hash(key);
while(H.elem[*addr] != key)
{
*addr = (*addr+1) % m;
if (H.elem[*addr] == NULLKEY || *addr == Hash(key))
return UNSUCCESS;
}
return SUCCESS;
}
int main()
{
int arr[HASHSIZE]={12,67,56,16,25,37,22,29,15,47,48,34};
int i,p,key,result;
HashTable H;
key=39;
InitHashTable(&H);
for(i=0;i<m;i++)
InsertHash(&H,arr[i]);
result=SearchHash(H,key,&p);
if (result)
printf("查找 %d 的地址为:%d \n",key,p);
else
printf("查找 %d 失败。\n",key);
for(i=0;i<m;i++)
{
key=arr[i];
SearchHash(H,key,&p);
printf("查找 %d 的地址为:%d \n",key,p);
}
return 0;
}
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