# include<iostream>
# include<stack>
using namespace std;

void test01()
{
	stack<int>s;
	s.push(10);
	s.push(20);
	s.push(30);
	s.push(40);
	while ((!s.empty()))
	{
		cout << "栈顶元素为:" << s.top() << endl;
		s.pop();
	}
	cout << "stack的大小" <<s.size()<< endl;
}
int main()
{
	test01();
	system("pause");
	return 0;
}