#include <iostream>
using namespace std;
int main()
{
int arr[4];
arr[0] = 2;
arr[2] = -5;
arr[3/2] = 1;
arr[3] = arr[0];
cout << arr[0] << " " << arr[1] << " " << arr[2] << " "
<< arr[3];
return 0;
}
// syntax to access array elements
array[index];