using System;

​

public class Program

{

    public static void Main()

    {

        string[]MyArray = new string[4] {"Audi", "BMW", "Alpha Romeo", "Mercedes-bens"};

        MyArray[2] =  "Alpha Romeo";

        int myItem = Array.IndexOf(MyArray, "Alpha Romeo");

        Console.WriteLine(myItem);

        Array.Reverse(MyArray);

        foreach (string value in MyArray)

        {

        Console.WriteLine(value);

        }

}

}

​

​