// Author   : Tech Point Fundamentals

// Website  : www.techpointfunda.com

// Channel  : https://www.youtube.com/c/TechPointFundamentals

// Question : How can you sort an array in descending order? Write a program to sort an array in descending.

// Demo     : Sorting Array Elements Descending

​

using System;

​

public class Program

{

    public static void Main()

    {

        int[] unsortedArray = new int[8] {5, 1, 6, 2, 7, 3, 8, 4};          

        Console.WriteLine("UnSorted Array: ");  

        Console.WriteLine("----------------------------------------------------- ");    

        for( int i = 0; i < unsortedArray.Length; i++)

        {

            Console.WriteLine(unsortedArray[i]);

        }

        // Sorting using User Defined Function

        var sortedArray = SortArray(unsortedArray);

        Console.WriteLine("\nDescending Sorted Array Without Any Library Function: ");  

        Console.WriteLine("----------------------------------------------------- ");    

        for( int i = 0; i <= sortedArray.Length - 1; i++)

        {

            Console.WriteLine(sortedArray[i]);

        }       

        // Sorting using Library Function

         Array.Sort(unsortedArray);

         Array.Reverse(unsortedArray);

        Console.WriteLine("\nDescending Sorted Array With Library Function: "); 

        Console.WriteLine("----------------------------------------------------- ");    

        for( int i = 0; i <= unsortedArray.Length - 1; i++)

        {

            Console.WriteLine(unsortedArray[i]);

        }   

    }   

     public static int[] SortArray(int[] array)

     {      

         int temp = 0;

         for (int i = 0; i < array.Length ; i++)

         {

            for (int j = i+1; j < array.Length ; j++)

            {

                 if (array[i] < array[j]) {

                    temp = array[i];

                    array[i] = array[j];

                    array[j] = temp;

                }

            } 

         }

         return array;

     }

}