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

int main()
{
	int a[] {
		  0,
		 10,
		 20,
		 30,
		 40
	};
	const size_t n {size(a)}; //the number of elements in the array

	int *p {a};       //address of the first element in the array
	int *q {a+n-1};   //address of the last element in the array

	//The addresses in the two pointers are 16 bytes apart, but ...
	cout << "The pointers are " << q - p << " elements apart.\n";
	return EXIT_SUCCESS;
}