用数组实现单链表

#include<iostream>
#include<malloc.h>
using namespace std;
typedef struct st
{
	int data;
	struct st *next;
}st; 

int main()
{
	st a[3] = { 5,&a[1],7,&a[2],9,NULL };
	st *p = a;
	while (p != NULL)
	{
		cout <<"  "<< p->data <<"  ";
		p = p->next;
	}
	cout << endl;
	return 0;
}