template <typename T>
void fill(T array[], int size)
{
    char answer;
    while (std::cin.get(answer))
    {
        if (answer == 'Y' || answer == 'y')
        {
            for (int i = 0; i < size; ++i)
            {
                std::cout << "Array[" << i << "] = ";
                std::cin >> *array[i];
            }
            break;
        }
        else if (answer == 'N' || answer == 'n')
        {
            for (int i = 0; i < size; ++i)
                *array[i] = rand() % 20;
            break;
        }
        else
        {
            while (std::cin.get() != '\n')
                continue;
            std::cout << "Enter correct answer: ";
        }
    }
}