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

//Three arrays, each holding 5 elements.
//The computer can count the number of elements in array a,
//but you have to count the number of elements in arrays b and c,
//and write this number in the [square brackets].

int main()
{
	int a[] {10, 20, 30, 40, 50}; //born holding {10, 20, 30, 40, 50}
	int b[5] {};                  //born holding {0, 0, 0, 0, 0}
	int c[5];                     //born holding unpredictable garbage

	//Output the elements of array a, all on one line.
	for (auto i: a) {
		cout << i << " ";
	}
	cout << "\n";

	//Output the elements of array b, all on one line.
	for (auto i: b) {
		cout << i << " ";
	}
	cout << "\n";

	//Output the elements of array c, all on one line.
	for (auto i: c) {
		cout << i << " ";
	}
	cout << "\n";

	return EXIT_SUCCESS;
}