include

include

using namespace std; stack s;

int main() {

int n, x;
cout << "入栈n个：";
cin >> n;
while (n--) {
	cin >> x;
	s.push(x);
}
if (s.empty()) {
	cout << "栈空" << endl;
} else {

	cout << "栈不空" << endl;
}
cout << "大小：" << s.size() << endl;
cout << "栈顶：" << s.top() << endl;
cout << "出栈n个：";
cin >> n;
while (n--) {
	cout << "出栈元素：" << s.top() << endl;
	s.pop();
}
if (s.size() == 0) {
	cout << "栈空" << endl;
} else {

	cout << "栈不空" << endl;
}
return 0;

}