vrati vektor u kojem su sume cifara elemenata vektora

#include <iostream>
#include <vector>

std::vector<int> SumaCifara(std::vector<int> v)
{
    std::vector<int> rez;
    for(unsigned int i(0); i < v.size(); i++)
    {
        int suma(0), mojbroj(v.at(i));
        while(mojbroj > 0)
        {
            suma+=mojbroj%10;
            mojbroj/=10;
        }
        rez.push_back(suma);
    }
    return rez;
}

int main()
{
    std::vector<int> v1{32, 459, 72, 8, 24, 771, 13};
    std::vector<int> v2 = SumaCifara(v1);
    for(unsigned int i(0); i < v2.size(); i++)
        std::cout << v2[i] << " ";
    return 0;
}