#include <iostream>
#include <vector>
#include <cmath>

std::vector<double> addSequenz(std::vector<double> a, std::vector<double> b){

    int shortest = a.size();
    std::vector<double> erg={};

    if(a.size()>b.size()) {
        shortest=b.size();
    }    
    for (int i = 0 ; i < shortest ; i++){
        double ad = a[i];
        double bd = b[i];
        erg.push_back(ad+bd);
    }
    
    return erg;
};

int main(){
    std::vector<double> a = {5,10,20,30};
    std::vector<double> b = {5,3,8};
    //expect 10,13,28
    std::vector<double> c = addSequenz(a,b);
    std::cout << c[0] << ',' << c[1] << ',' << c[2] << std::endl;
    return 1;
}