#include <vector>

template<class... Arg>
auto create_vector(size_t x, Arg&&... arg) {
    if constexpr(sizeof...(arg) == 1) {
        return std::vector(x, arg...);
    } else {
        return std::vector(x, create_vector(arg...));
    }
}

template<class T, class ... size_t>
auto initialize_vector(const T& value, size_t&& ... arg) {
    return create_vector(arg..., value);
}