#include <vector>

template <typename T, typename Ti>
auto initialize_vector(T value, Ti size) {
    std::vector<T> vec(size, value);
    return vec;
}

template <typename T, typename Ti, typename...Args>
auto initialize_vector(T value, Ti size, Args...args) {
    std::vector<decltype(initialize_vector(value, args...))>
        vec(size, initialize_vector(value, args...));
    return vec;
}