250930 Console

internal class Program
{
    static public void Checker ( Random rnd )
    {

    }

    static void Main(string[] args)
    {
        Random rnd = new Random();

        while ( true )
        {
            Console.WriteLine(rnd.Next());
            Checker(rnd);
        }
    }

}

internal class Program
{
    static void Main(string[] args)
    {
        Stopwatch stopwatch = new Stopwatch();
        stopwatch.Start();
        long reverseCounter = 0;

        while (true)
        {
            //▼6초에서 흐른 시간을 역으로 빼면 시간이 거꾸로 출력되어보임
            reverseCounter = (6000 - stopwatch.ElapsedMilliseconds) / 1000;


            if (reverseCounter > 0)
            {
                Console.WriteLine(reverseCounter);
            }
            else
            {
                stopwatch.Stop();
                break;
            }
        }
    }