T2 - zad2c

#include<iostream>
#include<complex>

int main()
{
    std:: cout<<"Unesite broj elementa: ";
    int n;
    std:: cin>>n;
    std:: cout<< std:: endl;
    std:: complex<double>suma(0,0);
    for (int i=1;i<=n;i++)
    {
        double z,fi;
        std:: cout<<"Z"<<i<<"=";
        std:: cin>>z;
        std:: cout<<"fi"<<i<<"=";
        std:: cin>>fi;
        std:: cout<< std:: endl;
        std:: complex<double>k;
        k=std:: polar(z,fi);
        suma+=std:: complex<double>(1,0)/k;
    }

    std:: complex<double>impedansa;
    impedansa=std:: complex<double>(1,0)/suma;
    std:: cout<<"Paralelna veza ovih elemenata ima Z = "
              <<std:: abs(impedansa)<< " i fi = "
              <<std:: arg(impedansa)<< std:: endl;
return 0;
}