8lab.operator[]

#include <iostream>
using namespace std;

class list{
    public:
    list *next;
    int n;

    list(int a=0){
        n=a;
        next=NULL;
    }

    void add(int a){
        list *current=this;
        while(current->next!=NULL)
            current=current->next;
        current->next=new list(a);
    }

    list *operator[](int a){
        list *current=this;
        for(int i=0;i<a;i++){
            if(current->next!=NULL)
                current=current->next;
            else break;
        }
        return current;
    }
};
int main(int argc, char **argv){
    list L(5);
    L.add(6);
    L.add(7);
    L.add(42);
    cout<<L[3]->n<<endl;
    return 0;
}