/******************************************************************************
Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************/
#include <iostream>
#include<string>
using namespace std;
class node
{
public:
int data;
node *next;
node ()
{
data = 0;
next = NULL;
}
void setdata ()
{
cout << "Enter value : ";
cin >> data;
next = NULL;
}
};
class linkedlist
{
private:
node * head;
int counter =0;
public:
void inserthead (node * p)
{
head = p;
}
node *gethead ()
{
return head;
}
void insertdata ()
{
node *p;
p = new node ();
p->setdata ();
node *temp;
temp = head;
if (head == NULL)
{
head = p;
counter++;
}
else
{
for (int i = 1; i < counter; i++)
{
temp = temp->next;
}
// temp->next = p;
temp = p;
counter++;
}
}
void deletedata ()
{
if (counter == 0)
{
cout << "\ncan't delete from an empty linked list:\n";
}
else
{
node *temp2 = head;
for (int i = 1; i < counter-1; i++)
{
temp2 = temp2->next;
}
temp2->next=NULL;
}
}
void printdata ()
{
if (counter == 0)
{
cout << "\ncan't print from an empty linked list:\n";
}
else
{
node *temp2 = head;
for (int i = 1; i < counter; i++)
{
cout << "\nvalue : " << temp2->data;
temp2 = temp2->next;
}
}
}
};
int main ()
{
linkedlist ll;
int choice;
do
{
cout << "\nPress 1 for enter data: ";
cout << "\nPress 2 for print data: ";
cout << "\nPress 3 for delete data: ";
cout << "\nPress 4 for exit: ";
cin >> choice;
switch (choice)
{
case 1:
{
ll.insertdata ();
}
break;
case 2:
{
ll.printdata ();
}
break;
case 3:
{
ll.deletedata ();
}
break;
}
}
while (choice != 4);
return 0;
}
