TP T-5 Z6

#include <iostream>
#include <algorithm>
#include <type_traits>

template <typename IterTip>
auto SumaBloka(IterTip it1, IterTip it2) -> typename std::remove_reference<decltype(*it1)>::type
{
    typename std::remove_reference<decltype(*it1)>::type suma(0);
    while(it1 != it2)
        suma+=*it1++;
    return suma;
}

int main()
{
    std::vector<int> v1{1, 2, 3, 4, 5};
    std::cout << SumaBloka(v1.begin(), v1.begin()+5);
    return 0;
}