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Stack_Using_LL.cpp
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Stack_Using_LL.cpp
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/******************************************************************************
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>
using namespace std;
class node
{
public:
int data;
node * next;
};
node *top = NULL;
void push(int val)
{
node *p = new(nothrow) node;
if (!p)
{
cout<<"Stack Overflow";
}
else
{
p->data = val;
p->next = top;
top = p;
}
}
void pop ()
{
if(top == NULL)
{
cout<<"Underflow";
}
else
{
node *temp = top;
top = top->next;
temp->next = NULL;
delete(temp);
}
}
void traverse()
{
node *temp = top;
while(temp!=NULL)
{
cout<<temp->data<<" ";
temp = temp->next;
}
}
int main()
{
push(5);
push(6);
traverse();
cout<<endl;
pop();
traverse();
cout<<endl;
push(20);
push(15);
traverse();
return 0;
}