8.3.11

#include <iostream>
using namespace std;
double fuu(int n)
{
    if (n==0)
        return 0;

        return 1 / (n + fuu(n - 1));
}

int main()
{
    int n;
    cout << "Vvedite zalupy" << endl;
    cin >> n;
    cout << fuu(n) << endl;
    return 0;

}