linkedList 0

#include <iostream>

using namespace std;

class Node {
    public:

        int value;
        Node* next;


        void unshift(){

        }

        void push(){

        }

        void shift(){

        }

        void pop(){

        }
};

void output(Node* x){
        if(x != 0){
            cout << (*x).value << " ";
            x = (*x).next;
            output(x);
        }
        cout << endl;
}

int main()
{
    Node a1, a2, a3, a4;
    a1.value = 3;
    a2.value= 8;
    a3.value = 12;
    a4.value = 23;

    a1.next = &a2;
    a2.next = &a3;
    a3.next = &a4;
    a4.next = 0;

    output(&a1);
}