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

int main()
{
	cout << "How many ints do you want to store? ";
	size_t n {0};
	cin >> n;

	try {
		//p always remains pointing to the same place.
		int *const p {new int[n]};

		//This q can read and write.
		for (int *q {p}; q < p + n; ++q) {
			cout << "Please input int number " << q - p << ": ";
			cin >> *q;
		}

		cout << "Here are the " << n << " ints that you input:\n";

		//This q can read but not write.
		for (const int *q {p}; q < p + n; ++q) {
			cout << q-p << ": " << *q << "\n";
		}

		delete[] p;
	}

	catch (bad_alloc e) {
		cerr << "Sorry, Linux has no room for " << n << " ints.\n";
		return EXIT_FAILURE;
	}

	return EXIT_SUCCESS;
}