2. What is the output of the program below?
#include <iostream>
using namespace std;
int main()
{
int n = 3;
while (n >= 0)
{
cout << n * n << endl;
--n;
}
cout << n << endl;
while (n < 4)
cout << ++n << endl;
cout << n << endl;
while (n >= 0)
cout << (n /= 2) << endl;
return 0;
