带头结点的链表头插法C++实现

#include 

using namespace std;

//带头结点的头插法实现链表
typedef int DATA;

struct SNode
{
	DATA data;
	SNode* pNext;
};

struct SList
{
	SNode* m_pHead;

	SList()
	{
		m_pHead        = new SNode;
		m_pHead->pNext = NULL;
	}
	~SList()
	{
		//本身类自带的变量不需要在这里处理
		SNode* p = m_pHead;
		SNode* p1;
		p1 = p;
		p  = p->pNext;
		delete p1;

	}

	void AddHead(DATA d)
	{
		SNode* p = new SNode;
		p->data  = d;
		p->pNext = m_pHead->pNext;
		m_pHead->pNext = p;
	}
	
	void Delete()
	{
		SNode* p = m_pHead->pNext;
		m_pHead->pNext  = m_pHead->pNext->pNext;
		delete p;
	}

	int GetCount()
	{
		SNode* p = m_pHead->pNext;
		int i = 0;
		while (p)
		{
			i++;
			p=p->pNext;
		}
		return i;

	}

	void Prints()
	{
		SNode* p = m_pHead->pNext;
		while (p)
		{
			cout<data<pNext;
		}
	}

};


int main()
{
	SList list;
	while (true)
	{
		cout<<"请输入一个数据:"<>i;
		if (i == 0)
		{
			break;
		}
		list.AddHead(i);
		

	}
	list.Prints();

	cout<<"链表的个数为："<