[C++] 3 katerekoli stevila v narascujocem zaporedju

#include <iostream>
#include <vector>
#include <algorithm>

template<typename Tp>
void read(std::vector<Tp>& v)
{
    Tp num;
    int counter = 0;

    while(counter++ < 3)
    {
        std::cout << counter << ". number : ";
        std::cin >> num;
        v.push_back(num);
    };
    std::sort(v.begin(), v.end());
    typename std::vector<Tp>::size_type length = v.size();
    for(unsigned i = 0; i < length; i++)
        std::cout << v[i] << " ";
}

int main()
{
    std::vector<int> v;
    read(v);
    return 0;
}