#include <iostream>

int main() {
	int a[9];
	
	std::cout << "Memory taken up by a: " << sizeof(a) << '\n' ;
	std::cout << "Memory required for a 10-element array: " ;
	std::cout << 10 * sizeof(int) << '\n';
	
	std::cout << "# of elements: " << sizeof(a) / sizeof(a[0]) << '\n';
}