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

class People
{
public:
	int number;
	int grade;
};

int main() {

int num_of_people;
	num_of_people=10;

	vector<People>* ptr = new vector<People>;
	//add people

	for(int nIndex = 0; nIndex < num_of_people; nIndex++)
	{
		People pp;
		pp.number = nIndex;
		pp.grade = nIndex * 10;
		ptr->push_back(pp);
	}

	vector<People>::iterator iter = ptr->begin();

	for(;iter != ptr->end(); iter++){
		cout << iter->number << "," <<iter->grade<< endl;
		
		//People* pp = &(*iter);
		//cout << pp->number << endl;

		//People pp = *iter;
		//cout << pp.number << endl;
	}

	delete ptr;

	return 0;
}