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

int main()
{
	vector<int> change {   
		20,
		40,
		60,
		80,
		100,
		120
	};

	vector<int>::size_type count {change.size()};  //number of elements in the vector

	cout << "The vector was born holding these " << count << " ints:\n";

	for (int i {0}; i < count; ++i) {
		cout << i << "  " << setw(3) << change[i] << "\n";
	}	

	cout << "\n";
	change.push_back(160);  
	count = change.size();    
	cout << "Now the vector holds these " << count << " ints:\n";

	for (int i {0}; i < count; ++i) {
		cout << i << "  " << setw(2) << change[i] << "\n";
	}	

	return EXIT_SUCCESS;
}