using System;

using System.Linq;          

public class Program

{

    static private float Median(float[] array) 

    {

        float [] tempArray = array;

        int count = tempArray.Length;

        Array.Sort(tempArray);

        float medianValue = 0;

        if (count % 2 == 0)

        {

            float middleElement1 = tempArray[(count / 2) - 1];

            float middleElement2 = tempArray[(count / 2)];

            medianValue = (middleElement1 + middleElement2) / 2;

        }

        else

        {

            medianValue = tempArray[(count / 2)];

        }

​

        return medianValue;

    }

    public static void Main()

    {

        start:

        Console.Clear();

        Console.WriteLine("How many grades would you like to enter?");

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

float[] grades = new float[num];

for (int i = 0; i < num; i++)

{

Console.WriteLine("Please enter grade number "+ (i+1));

grades[i] = int.Parse(Console.ReadLine());

}

        Array.Copy(grades, grades, grades.Length);

        Array.Sort(grades);

        Console.Write("Your grades from smallest to largest are: ");

        foreach (float sorted in grades)

        {

            Console.Write(sorted + " ");

        }

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine("The median of your grades is "+Median(grades));

        Console.WriteLine();

        grades.Average();

        Console.WriteLine("The average of your numbers are " +grades.Average());

        if (grades.Average() < 65)

        {

            Console.WriteLine();

        Console.WriteLine("You are failing 😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬😬");

        }

        else if (grades.Average() >= 65)

        {

            Console.WriteLine();

            Console.WriteLine("You are passing");

        }

        Console.WriteLine();

        Console.WriteLine("Enter y to restart, or enter anything else to end the program");

        string choice = Console.ReadLine();

        if (choice == "Y" || choice =="y")

        {

        goto start;

        }

    }   

}