int[] poleCisel = new int[50];
            Random rnd = new Random();
            for (int P = 0; P<poleCisel.Length; P++)
            {
                poleCisel[P] = rnd.Next(1, 1000);
            }

            int pomocna;
            for (int P = 0; P<poleCisel.Length - 1; P++)
            {
                for (int I = 0; I<poleCisel.Length - 1 - P; I++)
                {
                    if (poleCisel[I] < poleCisel[I+1])
                    {
                        pomocna = poleCisel[I];
                        poleCisel[I] = poleCisel[I + 1];
                        poleCisel[I + 1] = pomocna;
                    }
                }
            }

            foreach (int cislo in poleCisel)
            {
                Console.WriteLine(cislo);
            }
            
-------------------------------------------------------------------

int pomocna;
            for (int P = 0; P<poleCisel.Length - 1; P++)
            {
                for (int I = 0; I<poleCisel.Length - 1 - P; I++)
                {
                    if (poleCisel[I] < poleCisel[I+1])
                    {
                        pomocna = poleCisel[I];
                        poleCisel[I] = poleCisel[I + 1];
                        poleCisel[I + 1] = pomocna;
                    }
                }
            }