C++ help

 #include < iostream >
 using namespace std;
 
 int main()
 {
 cout << "Vpišite število členov:" << endl; 
 unsigned int n = 0;
 cin >> n;
 double sum = 0;
 unsigned int k = 1;
 while (k<=n)
 {
 sum += 1/k++;
 }
 cout << "Vsota " << n << " členov zaporedja je enaka" << sum << "!" << endl;
 
 return 0;
 }