using System;

namespace First
{
    class Program
    {
        static void Main(string[] args)
        {
            //double int  &&-and  ||-lub


            /*   for (int counter = 1; counter <= 20; counter++)
               {
                   if (counter == 13)
                       Console.WriteLine($"This is my lucky number {counter}");
                   else
                   Console.WriteLine($"{counter}");
               }
               */

            int[] n = new int[50]; /* n is an array of 50 integers */
            int[] z = new int[50];
            int i, j;
            int zakres = 50;
            Random random = new Random();
            int randomNumber;

            /* initialize elements of array n */
            for (i = 0; i < 50; i++)
            {
                randomNumber = random.Next(0, zakres);
                n[i] = randomNumber;
            }

            /* output each array element's value */
            for (j = 0; j < 50; j++)
            {
                if (n[j] > 10)
                    Console.WriteLine("Number[{0}] = {1} > 10", j, n[j]);
                else
                {
                    if (n[j] == 10)
                        Console.WriteLine("Number[{0}] = {1} = 10", j, n[j]);
                    else
                        Console.WriteLine("Number[{0}] = {1} < 10", j, n[j]);
                }
            }

            int suma = 0;
            for (j = 0; j < 50; j++)
            {
                suma = suma + n[j];
            }
            Console.WriteLine($"Suma {suma}\n");

            // Sort array in ascending order.
            Array.Sort(n);

            // reverse array
            Array.Reverse(n);

            // print all element of array
            //foreach (int value in n)
            //{
            //    Console.Write(value + " ");
            //}

            Console.Write("\n");

            for (j = 0; j < 50; j++)
                Console.Write($"{n[j]} ");

            Console.Write("\n");

            int temp = 0;
            int k = 0;

            for (j = 0; j < zakres + 1; j++)
            {
                temp = 0;
                for (k = 0; k < 50; k++)
                {
                    if (n[k] == j)
                        temp++;
                }
                if (temp > 0)
                Console.WriteLine($"{j}- {temp}");
            }

            Array.Copy(n, 0, z, 0, z.Length);

            for (j = 0; j < 50; j++)
                Console.Write($"{z[j]} ");

            Console.ReadKey();
        }
    }
}