int main()
{
    LinkedList ll;
    string test;
    test="we";
    ll.add("we");
    ll.add("are");
    cout << "ok working" << endl;
    return 0;
}

class LinkedList
{
    public:
        LinkedList();
        void add(string data);
    protected:
    private:
        class node{
        private:
            string data;
        public:
            node *next;
            node(string data,node *next);
            node(string data);
            node();
        };

        node *head;
};

LinkedList::LinkedList()
{
    head=NULL;
    cout<<"ok";
}


void LinkedList::add(string data){
    if(!head){
        node tmphead(data,NULL);
        this->head=&tmphead;
    }else{
        node *temp;
        temp=head;
        while(temp->next){
            temp=temp->next;
        }
        node newnode(data);
        temp->next=&newnode;
    }
}
LinkedList::node::node(string data,node *next){
    LinkedList::node::data=data;
    LinkedList::node::next=next;
cout<<"New node created with : "+data<< endl;

}
LinkedList::node::node(){
    LinkedList::node::data="";
    LinkedList::node::next=NULL;
    //LinkedList::node::
//this->data="";
//this->next=NULL;
}
LinkedList::node::node(string data){
LinkedList::node::data=data;
LinkedList::node::next=NULL;
}