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()

    {

        string repeat = "this can be anything";

        while (repeat != "Q" && repeat != "q")

        {

            Console.WriteLine("Please enter the number of grades you want");

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

            float[] grades = new float[num];

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

            {

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

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

            }

​

            Array.Sort(grades);

            Console.WriteLine();

            Console.WriteLine("The grades from smallest to largest are: :");

            foreach (float grade in grades)

            {

                Console.Write(grade + "  ");

            }

​

            float average = grades.Average();

            Console.WriteLine();

            Console.WriteLine("\n The average of your grades is:  " + average);

            Console.WriteLine();

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

            Console.WriteLine();

            if (average < 65)

            {

                Console.WriteLine("Sorry, but you are failing your classes. You need at least a 65 in order to pass.");

            }

            else if (average > 65 && average < 75)

            {

                Console.WriteLine("Nice job, you are doing well in school.");

            }

            else if (average > 75 && average < 100)

            {

                Console.WriteLine("Amazing job! your grades are above average.");

            }

            else if (average >= 100)

            {

                Console.WriteLine("You are in the top percent of the grades you have, keep going.");

            }

            else

            {

                Console.WriteLine("Please enter a POSITIVE integer.");

            }

            Console.WriteLine();

            Console.WriteLine("Press q to quit, or any other key to restart the code.");

            repeat = Console.ReadLine();

        }

    }

}

​

​