哈希表

#include
#include
using namespace std;
struct listnode
{
    int val;
    listnode* next;
    listnode(int x):val(x),next(NULL){}
};
int hash_index(int key, int table_len)
{
    return key % table_len;
}
void insert(listnode *table[], listnode* node, int table_len)
{
    int index = hash_index(node->val, table_len);
    node->next = table[index];
    table[index] = node;
}
bool hash_search(listnode *table[], int val, int table_len)
{
     int index = hash_index(val,table_len);
    listnode* head = table[index];
     while(head)
     {
    if(head->val == val)
             return true;
         head = head->next;
     }
     return false;
}
int main()
{
    const int table_len = 11;
    listnode *table[table_len] ={0};
    vector listnode_vec;
    int test[8] = {1,2,33,55,11,6,88,44};
    for(int i = 0; i < 8; i++)
    {
        listnode_vec.push_back(new listnode(test[i]));
    }
    for(int i = 0; i < listnode_vec.size(); i++)
        insert(table, listnode_vec[i], table_len);
    printf("Hashtable:\n");
    for(int i = 0; i < table_len; i++)
    {
        printf("[%d]",i);
            listnode* head = table[i];
            while(head)
            {       
            printf("->[%d]",head->val);
            head = head->next;
            }
            printf("\n");
    }
    return 0;
}

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