using System;

public class Program

{

    public static void Main()

    {

        double[] arr = { 3.11, 8.54, 6, 3.2, 12.98 };

        Console.Write("Enter an index to delete: ");

        int delIndex = int.Parse(Console.ReadLine());

​

        for (int i = delIndex; i < arr.Length - 1; i++)

        {

            arr[i] = arr[i + 1];

        }

        arr[arr.Length - 1] = 0;

​

        Array.Sort(arr);

​

        Console.WriteLine("New array:");

        foreach (double d in arr)

        {

            Console.Write(d + " ");

        }

    }

}