TP T-5 Z3 - nedovrsen

#include <iostream>
#include <algorithm>

int main()
{
    int niz[5];
    for(auto &x : niz)
        std::cin >> x;
    std::cout << std::endl << "Najveci element u nizu je: " << *std::max_element(niz, niz+5);
    std::cout << std::endl << "Najmanji element se ponavlja : " << std::count(niz, niz+5, *std::min_element(niz, niz+5));
    std::cout << std::endl << "Brojeva koji su stepeni dvojke ima: " << std::count_if(niz, niz+5, [](int x)
    {
        return (x != 0) && ((x & (x-1)) == 0);
    });
    std::cout << std::endl;
    std::cout << "Element sa najmanjom sumom cifara je: " << *std::min_element(niz, niz+5, [](int x, int y) -> bool
    {
        int suma1(0), suma2(0);
        while(x > 0)
        {
            suma1+=x%10;
            x/=10;
        }
        while(y > 0)
        {
            suma2+=y%10;
            y/=10;
        }
        return (suma1 < suma2);
    });
    int niz1[5] {};
    std::copy_if(niz, niz+5, niz1, [](int x) -> bool
    {
        int counter(0), n(x);
        while(n > 0)
        {
            n/=10;
            counter++;
        }
        return (counter == 2);
    });
    std::cout << std::endl;
    for(auto &x : niz1)
        std::cout << x << " ";
    return 0;
}