hgh, C++ (vc++) - rextester

hgh

#include <iostream>

using namespace std;

class LinkedList;

class Node
{
    friend class LinkedList;
    private:
    int data;
    Node *next;
};

class LinkedList
{
    private:
    Node *head;
    
    public:
    LinkedList
    {
        head = 0;
    }
    
    ~LinkedList
    {
        Node *curr = head;
        Node * prev;
        
        while(curr!=0)
        {
            temp = curr->next;
            delete curr;
            curr = temp;
        }
        head = 0;
    }
    
    bool InsertAtStart(int val)
    {
        Node *temp = new Node;
        
       if(temp!=0)
       {
           temp->data = val;
           temp->next = 0;
           head = temp;
            return true;
       }
      
       else
       {
            return false;
       }
        
    }
    
    
    
    void display()
{
    Node *curr = head;
      
    while (curr!=0)
    {
        cout << curr;
        curr = curr->next;
    }
        
}
};

int main()
{
   cout << "Hello World" << endl; 
}


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