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std::stack::size(3)	      C++ Standard Libary	   std::stack::size(3)

NAME
       std::stack::size	- std::stack::size

Synopsis
	  size_type size() const;

	  Returns the number of	elements in the	underlying container, that is,
       c.size().

Parameters
	  (none)

Return value
	  The number of	elements in the	container.

Complexity
	  Constant.

Example
       // Run this code

	#include <algorithm>
	#include <iostream>
	#include <stack>

	int main()
	{
	    std::stack<int> container;

	    std::cout  <<  "Initially, container.size(): " << container.size()
       << '\n';

	    for	(int i = 0; i <	7; ++i)
		container.push(i);

	    std::cout << "After	adding elements, container.size(): "  <<  con-
       tainer.size() <<	'\n';
	}

Output:
	Initially, container.size(): 0
	After adding elements, container.size(): 7

See also
	  empty	checks whether the underlying container	is empty
		(public	member function)

http://cppreference.com		  2022.07.31		   std::stack::size(3)

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