using System;

using System.Collections.Generic;               

​

public class Program {

    public static void Main() {

        char repeat = 'q';

        Queue<int> enterNumbers = new Queue<int>();

        List<int> moreNumbers = new List<int>();

        HashSet<int> set1 = new HashSet<int>();

        string enterNums = "";

        while (repeat != 'n') {

            enterNumbers.Clear();

            moreNumbers.Clear();

            set1.Clear();

            Console.WriteLine("Number Statistics Calculator");

            Console.WriteLine("--------------------------");

            Console.WriteLine("Enter numbers (type 'done' when finished)");

            while (enterNums != "done") {

                Console.Write("Enter number: ");

                enterNums = Console.ReadLine();

​

                if (enterNums == "done") {

                    break;

                } else {

                    enterNumbers.Enqueue(Int32.Parse(enterNums));

                }// end of if else

            }// End of while

            while (enterNumbers.Count > 0) {

                moreNumbers.Add(enterNumbers.Dequeue());

            }// End of for

            // Sort the list

            moreNumbers.Sort();

            // Create HashSet

            set1 = new HashSet<int>(moreNumbers);

            Console.WriteLine("\nStatistics:");

            Console.WriteLine("----------");

            Console.WriteLine("Numbers entered: " + moreNumbers.Count);

            Console.WriteLine($"Unique numbers: {set1.Count}");

            double total = 0.0;

            for (int i = 0; i < moreNumbers.Count; i++) {

                total += moreNumbers[i];

            }// End of for

            Console.WriteLine($"Average: {total/moreNumbers.Count:F1}");

​

            double median = 0;

            if (moreNumbers.Count % 2 == 0) {

                median = ((moreNumbers[(moreNumbers.Count/2)-1] + moreNumbers[moreNumbers.Count/2]) / 2.0);

            } else {

                median = moreNumbers[(moreNumbers.Count/2)];

            }// End of if else

            Console.WriteLine($"Median: {median:F1}");

            Console.Write("Numbers in ascending order: ");

            for (int i = 0; i < moreNumbers.Count; i++) {

                if (i == moreNumbers.Count - 1)  {

                    Console.Write(moreNumbers[i] + "\n");

                } else {

                    Console.Write(moreNumbers[i] + ", ");

                }// End of if else

            }// End of for

            Console.WriteLine("\nFrequency Analysis:");

            int selectDistinct = 2147483647;

            for (int k = 0; k < moreNumbers.Count; k++) {

                int freCount = 0;

                if (moreNumbers[k] != selectDistinct) {

                    selectDistinct = moreNumbers[k];

                    for (int i = 0; i < moreNumbers.Count; i++) {

                        if (moreNumbers[i] == selectDistinct) {

                            freCount++;

                        }// end of if

                    }// End of for

                    if (freCount == 1) {

                        Console.WriteLine(selectDistinct + " appears " + freCount + " time");

                    } else {

                        Console.WriteLine(selectDistinct + " appears " + freCount + " times");

                    }// End of if else

                }// End of if

            }// End of for

            Console.Write("\nWould you like to process another set? (y/n): ");

            repeat = Console.ReadLine()[0];

            while (repeat != 'y' && repeat != 'n') {

                Console.Write("Sorry that input is not valid!\nWould you like to process another set? (y/n): ");

                repeat = Console.ReadLine()[0];

            }// End of while

            Console.WriteLine("");

        }// End of while    

    }// End of public static void Main()

}// End of public class Program