int main()
{
    //srand(static_cast<unsigned int>(time(NULL)));
    srand(time(NULL));
    std::vector<int> x(20, 0);

    for (auto &v : x)
    {
        v = rand() % 3 + 1;
        std::cout << v << " ";
    }
    cout << std::endl;
    for (const auto &v : x)
    {
        std::cout << v << " ";
    }

    system("pause");
}