S4 - zad.11

#include <iostream>
#include <cmath>
#include <iomanip>

double Aritmeticka(int n)
{
    int cifra, AS(0), br(0);
    while(n!=0)
    {
        cifra=n%10;
        AS+=cifra;
        br++;
        n/=10;
    }
    return double(AS)/br;
}

double Geometrijska(int n)
{
    int cifra, GS(1), br(0);
    while(n!=0)
    {
        cifra=n%10;
        GS*=cifra;
        br++;
        n/=10;
    }
    return  pow(double(GS),1./(double(br)));
}

void Sredine(int N, double &AS, double &GS)
{
    AS=Aritmeticka(N);
    GS=Geometrijska(N);
}

int main()
{
    int N;
    double AS, GS;
    std::cout<<"Unesi broj: ";
    std::cin>>N;
    Sredine(N, AS, GS);
    std::cout<<std::endl<<"Aritmeticka: "<<std::setprecision(3)<<AS
             <<std::endl<<"Geometrijska: "<<std::setprecision(3)<<GS;

    return 0;
}