#include<iostream>
using namespace std;

int main(){
	int Arr[] = {5, 10, 15, 20, 25};

	int size_of_arr = sizeof(Arr);
	int size_of_arr_items = sizeof(Arr[0]);
	int items_in_arr = size_of_arr / size_of_arr_items;

	/* Been around since C99
	 * Earlier standards you had to declare i earlier */
	for(int i = 0; i < items_in_arr; i++)
		cout << Arr[i] << " ";
	cout << endl;

	/* Available since C++ 11 */
	for(auto i : Arr)
		cout << i << " ";
	cout << endl;


	for(int *i = Arr; i < Arr + items_in_arr; i++)
		cout << *i << " ";
	cout << endl;



	


	return 0;
}