#include <iostream>
#include <vector>
#include <string>
using namespace std;


int main()
{
   int array[10] = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20};

   cout << "Output array:\n";

   for (int i = 0; i < 10; i++)
     cout << array[i] << '\n';

   for (int x : array)		// range-based is a nice shortcut
     cout << x << '\n';		//  when you are going from front to back

   cout << "Change array:\n";
   for (int x : array)
      x = x * 3;

   cout << "Output array:\n";
   for (int x : array)
     cout << x << '\n';

   cout << "Change array (second attempt):\n";
   for (int& x : array)
      x = x * 3;

   cout << "Output array:\n";
   for (int x: array)
     cout << x << '\n';

   string words[5] = {"The", "quick", "brown", "fox", "jumped"};

   for (const string& str : words)
     cout << str << '\n';

/*

*/

}