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

int main()
{
	vector<int> scores;   //born empty but can hold ints

	for (;;) {
		cout << "Please input a test score (or control-d when done): ";

		int s {0};
		cin >> s;

		if (!cin) {   //user types ctrl-d and it exits loop
			break;
		}

		scores.push_back(s);   //adds user input to vector
	}

	cout << "\n\n";
	cout << "Here are the " << scores.size() << " test scores you entered:\n";

	for (size_t i {0}; i < scores.size(); ++i) {
		cout << setw(2) << i << "  " << setw(4) << scores[i] << "\n";
	}

	return EXIT_SUCCESS;
}