using System;

using System.Collections.Generic;

​

//code to sort array in asc/desc order {20,3,45,6,78}

public class Program

{

    public static void Main()

    {

        int[] intArr=new int[]{20,3,45,6,78};

        int value=0;

        List<int> lisInt=new List<int>();

        foreach(var item2 in intArr)

        {           

            foreach(var item in intArr)

            {

                if(item>value && !lisInt.Contains(item))

                    value=item;

            }

        lisInt.Add(value);

            value=0;

        }

        Console.WriteLine("array in descending order is-->");

        foreach(var item in lisInt)

        {

            Console.Write(item+",");

        }

        Console.WriteLine("");

        Console.WriteLine("array in ascending order is-->");

        for(int i=lisInt.Count-1;i>=0;i--)

        {

            Console.Write(lisInt[i]+",");

        }

        //Console.WriteLine("Hello World");

    }

}