using System;

using System.Collections.Generic;

using System.Linq;              

public class Program {

    public static void Main() {

        List<string> fruits = new List<string>();// assign a string to store fruit

​

        Console.WriteLine("Enter the names of any amount of fruits you want (enter 0 to stop the input): ");

        string input = Console.ReadLine();

​

        while(input != "0") {// enter fruits since fruit num shouldn't be zero

            fruits.Add(input);

            input = Console.ReadLine();

        }

        Console.WriteLine();

        Console.WriteLine("Stopped inputing Fruits!");

        Console.WriteLine();

        var desc_sorted_fruits = 

            from fruit in fruits

            orderby fruit.Length descending 

            select fruit;

​

        Console.WriteLine("Fruits in Descending order: ");

        foreach (var fruit in desc_sorted_fruits) {// deploy the fruit names in descending order

            Console.WriteLine(fruit);

        }

        Console.WriteLine();

        var no_duplicates = fruits.Distinct();// check for duplicates

​

        Console.WriteLine("No Duplicate Fruits: ");

        foreach (var fruit in no_duplicates){

            Console.WriteLine(fruit);

        }

        Console.WriteLine();

​

        var distinct_no_duplicates = desc_sorted_fruits.Distinct();

        Console.WriteLine("No Duplicate Fruits in Descencing order: ");

        foreach (var fruit in distinct_no_duplicates) {

            Console.WriteLine(fruit);

        }

        Console.WriteLine();

        Console.WriteLine("Length with duplicates: {0}", fruits.Count);

        Console.WriteLine("Length without duplicates: {0}", no_duplicates.Count());

    }

}