The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include <iostream>
#include <stack>
using namespace std;
int main()
{
stack<int> st;
// push three elements into the stack
st.push(1);
st.push(2);
st.push(3);
// pop and print two elements from the stack
cout << st.top() << ' ';
st.pop();
cout << st.top() << ' ';
st.pop();
// modify top element
st.top() = 77;
// push two new elements
st.push(4);
st.push(5);
// pop one element without processing it
st.pop();
// pop and print remaining elements
while (!st.empty()) {
cout << st.top() << ' ';
st.pop();
}
cout << endl;
}