#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
class NODE
{
public:
int data;
NODE *next;
void insert();
void display();
void delet();
int isemty();
};
NODE
*nw,*top=NULL,*t1,*temp;
int NODE:: isemty()
{
if(top==NULL)
{
return(1);
}
else
{
return(0);
}
}
void NODE ::insert()
{
nw=new(NODE);
cout<<"\nenter a new node";
cin>>nw->data;
nw->next=top;
top=nw;
}
void NODE::display()
{
if(isemty())
{
cout<<"\nStack is NULL";
}
else
{
cout<<"\nElements in stack
are:";
temp=top;
while(temp!=NULL)
{
cout<<"\n"<<temp->data;
temp=temp->next;
}
}
}
void NODE::delet()
{
if(isemty())
{
cout<<"\nStack is NULL";
}
else
{
t1=top;
top=top->next;
cout<<"Deleted element
is:"<<t1->data;
free(t1);
}
}
void main()
{
NODE d1;
int ch;
do
{
cout<<"\n1.Insert
Element\n2.Delete Element\n3.Display elements\n4.exit";
cout<<"\n Enter your choice";
cin>>ch;
switch(ch)
{
case 1:
cout<<"\n***Insert
Element***";
d1.insert();
break;
case 2:
cout<<"\n***Delete
Element***";
d1.delet();
break;
case 3:
cout<<"\n***Display
Elements***";
d1.display();
break;
case 4:
exit(0);
break;
default :
cout<<"invalid choice";
break;
}
}while(ch!=5);
getch();
}
/*OUTPUT*/
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice1
***Insert Element***
enter a new node12
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice1
***Insert Element***
enter a new node23
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice1
***Insert Element***
enter a new node58
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice1
***Insert Element***
enter a new node25
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice3
***Display Elements***
Elements in stack are:
25
58
23
12
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice2
***Delete
Element***Deleted element is:25
1.Insert Element
2.Delete Element
3.Display elements
4.exit
Enter your choice
This is dummy text. It is not meant to be read. Accordingly, it is difficult to figure out when to end it. But then, this is dummy text. It is not meant to be read. Period.