using System;

​

public class MyProgram

{

    public static void Main(String[] args)

    {

        // CPT-230-001 

        // Joshua Everhart 

        // 10/02/2018

        int big;

        int small;

        int current;

        int counter;

        int avg;

        Console.WriteLine("Enter a positive integer or a negative value to quit: ");

        input(out current);

        counter = 0;

        big = current;

        small = current;

        avg = 0;

        while (current > 0)

        {

            Console.WriteLine("Enter a positive integer or a negative value to quit: ");

            avg = avg + current;

            input(out current);

            counter = counter + 1;

            if (current < small && current > 0)

            {

                small = current;

            }

            else

            {

                if (current > big)

                {

                    big = current;

                }

            }

        }

        if (big < 0 && small < 0)

        {

            Console.WriteLine("No numbers were entered.");

        }

        else

        {

            Console.WriteLine("Largest value entered: " + big);

            Console.WriteLine("Smallest value entered: " + small);

            Console.WriteLine("The average of the values: " + (double) avg / counter);

        }

    }

    // .NET can only read single characters or entire lines from the console.

    // The following functions are designed to help input specific data types.

    private static void input(out double result)

    {

        while (!double.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out int result)

    {

        while (!int.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out Boolean result)

    {

        while (!Boolean.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out string result)

    {

        result = Console.ReadLine();

    }

}

​