code. compile. run. debug. share.
#include "List.hpp"
#include "ListNode.hpp"
int main()
{
List<int> myList;
myList.insert_head();
myList.insert_head();
myList.insert_head();
myList.print_list();
myList.remove_head();
myList.print_list();
return 0;
}
#pragma once
#include <iostream>
template <class T> class ListNode;
template <class T> class List
{
private:
int size;
ListNode<T> *head;
public:
List() : size(0), head(nullptr) { }
~List()
{
std::cout << "Destructor:" << std::endl;
while (size > 0)
{
remove_head();
}
std::cout << "Successfully deleted Linked List";
}
void insert_head()
{
ListNode<T> *aNewNode = new ListNode<T>;
aNewNode->next = head;
head = aNewNode;
size++;
}
void remove_head()
{
int what_item = head->item;
if (size > 0)
{
ListNode<T> *temp = head;
head = head->next;
delete temp;
size--;
}
std::cout << "Removed node containing: " << what_item << std::endl;
}
void print_list()
{
std::cout << std::endl;
ListNode<T> *ptr = head;
std::cout << "The items in the list are:" << std::endl;
while (ptr != NULL)
{
std::cout << ptr->item << std::endl;
ptr = ptr->next;
}
std::cout << std::endl;
}
};
#pragma once
template <class T> class ListNode
{
private:
int item;
ListNode<T> *next;
public:
friend class List<T>;
ListNode()
{
std::cout << "Input Integer: ";
std::cin >> item;
next = nullptr;
}
~ListNode() { /* Add your implementation */ }
};
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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