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

int main()
{
	const int source[] = {10, 20, 30};
	const size_t n = sizeof source / sizeof source[0];
	const int dest[] = {40, 50, 60};

	copy(source, source + n, dest);   //won't compile

	return EXIT_SUCCESS;
}