tut5-zad6

#include <iostream>
#include <algorithm>
#include <functional>
#include <deque>

template <typename Tip>
auto SumaBloka (Tip It1, Tip It2) -> decltype(*It1+*It1) {
    decltype (*It1+*It1) suma{0};
    while (It1!=It2)
            suma+=*It1++;
    return suma;
}

int main () {
    std::cout<<"Unesite elemente deka (0 za kraj): "<<std::endl;
    std::deque<int> d;
    int n;
    while (std::cin>>n, n!=0) d.push_back(n);
    std::cout<<"Suma elemenata: "<<SumaBloka(d.begin(),d.end());
    return 0;
}