C++ stack使用

#include "IPermanceServiceShare.h"
#include <string>
#include <stack>
#include <iostream>
using namespace std;
void main()
{

tagPerson person;
person.nAge = 22;
stack<int> myStack;

for (int i = 0; i < 20; ++i)
{
myStack.push(i);
}

for (int i = 0; i < 20; ++i)
{

cout << myStack.size() << " " << myStack.top() << endl;
myStack.pop();
}

int wait;
cin >> wait;

}