构建一个大小已知的链表

#include 

using namespace std;

struct  node
{
    int data;
    int length;
    node *pnext;
    node(int inp,int inpl)
    {
        if (inpl<0)
        {
            return;
        }
        data = inp;
        length = inpl;
        pnext = new node(inp, inpl - 1);
    }
};

int main()
{
    node *poi1 = new node(1,10);
    node *poi2 = poi1;//将poi1保存的地址给了poi2
    for (int i = 0; i < 10; i++)
    {
        poi1->data = i*5;
        poi1=poi1->pnext;
    }
    poi1->data = -1;
    poi1->pnext = nullptr;

    for (int i = 0; i < 8; i++)
    {
        cout << poi2->data << endl;
        poi2 = poi2->pnext;
    }
    system("pause");
    delete poi1;
    return 0;
}