#include <iostream>
#include <vector>

template <class T, int N>
class Vector {
    public:
        Vector<T,N> operator+(const Vector<T,N>& y); // Vektoraddition
        //T operator*(const Vector<T,n>& y); // Skalarprodukt
    private:
        std::vector<T> _vector[N];
};

template <class A, int N>
Vector<A,N> Vector<A, N>::operator+(const Vector<B,N>& y) {
    //for(int i = 0; i < _vector.last; i++) {
    //    std::cout << _vector[i] << std::endl;
    //}
    return y;
}

int main() {
    Vector<double, 3> a;
    Vector<double, 3> b;
    b = a+a;
}