Răspuns :
#include <iostream>
using namespace std;
int main()
{
int n, uc;
cout << "Introduceti n :";
cin >> n;
if (n % 4 == 0)
uc = 6;
if (n % 4 == 1)
uc = 2;
if (n % 4 == 2)
uc = 4;
if (n % 4 == 3)
uc = 8;
if (n == 0)
uc = 1;
cout << "\nU(2^" << n << ") = " << uc;
}
#include <iostream>
using namespace std;
int main()
{
int n, uc;
cout << "Introduceti n :";
cin >> n;
if (n == 0)
{
uc = 1;
cout << "orice numar la puterea zero este 1 deci uc=" << uc<<endl;
return 0;
}
else
if (n % 4 == 0)
uc = 6;
if (n % 4 == 1)
uc = 2;
if (n % 4 == 2)
uc = 4;
if (n % 4 == 3)
uc = 8;
cout << "\nU(2^" << n << ") = " << uc<<endl;
return 0;
}