hwLineMenu

#include <iostream>
#include <chrono>
#include <thread>

int main()
{
    int length{0};
    char symb{ '#' };
    bool horizontal{true};
    int delay{ 100 };

    char option{};
    bool correct{true};

    //std::cout.setf(std::ios::unitbuf); // need for unbuffered output on some systems

    std::cout << "Enter line length\n";
    std::cin >> length;

    std::cout << "Enter symbol to form the line\n";
    std::cin >> symb;

    do
    {
        std::cout << "Enter line direction h - horizontal, v - vertical\n";
        std::cin >> option;
        correct = (option == 'h' or option == 'v');
    }while( !correct );

    horizontal = (option == 'h');

    do
    {
        std::cout << "Enter drawing speed l - low, m - medium, h - high\n";
        std::cin >> option;
        correct = (option == 'l' or option == 'm' or option == 'h');
    }while( !correct );

    if ( option == 'l' )
    {
        delay = 500;
    }
    else if ( option == 'm')
    {
        delay = 300;
    }


    for (; length; --length)
    {
        std::cout << symb;
        if (!horizontal)
        {
            std::cout << '\n';
        }
        std::this_thread::sleep_for(std::chrono::milliseconds(delay));
    }

    return 0;
}