Delete items>0

Question

#include<iostream>
using namespace std;
struct Stack
{
int data;
Stack *head;
Stack *next;
};
void push(int x, Stack *myStk)
{
Stack* e = new Stack;
e->data = x;
e->next = myStk->head;
myStk->head = e;
}
int pop(Stack *myStk)
{
if (myStk->head == NULL)
{
cout « "stack is empty!" « endl;
return -1;
}
else
{
Stack *e = myStk->head;
int a = myStk->head->data;
myStk->head = myStk->head->next;
delete e;
return a;
}
}
........................

Answer 1

What's the question?