C++ --DELETING THE FIRST ELEMENT IN LINKLIST 2

REMOVE THE FIRST ELEMENT IN LINKLIST IN C++:

REMOVE AT FRONT

PROGRAM:

#include<iostream>
using namespace std;
struct node
{
int data;
node*next;
};
class linklist
{private:
node*start,*end;
public:
linklist()
{
start=end=0;
}
void insert(int d)
{
node*box=new node();
box->data=d;
box->next=0;
if(start==0)
{
start=end=box;
}
end->next=box;
end=box;
}
void insertatfront(int d)
{
node*box=new node();
box->data=d;
box->next=0;
if(start==0)
{
start=end=box;
}
box->next=start;
start=box;
}

void removeatfront(int r)

{

if(start==0)

{

cout<<"there is no node available to delete"<<endl;

}

node*temp=start;

start=start->next;

delete temp;

}

void print()

{

node*temp=start;

while(temp!=0)

{

cout<<"the data is"<<temp->data<<endl;

cout<<"the data of next is"<<temp->next<<endl;

temp=temp->next;

}}

};

void main()

{

linklist l;

l.insert(12);

l.insert(13);

l.insert(14);

l.insert(15);

l.insertatfront(11);

l.insertatfront(10);

l.removeatfront(10);

l.print();

system("pause");

}