using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Start:");

        fizzbuzz(3);

        fizzbuzz(21);

        fizzbuzz(25);

        fizzbuzz(11);       

        fizzbuzz(15);

        Console.WriteLine("End - fizzbuzz() standard\n");

        Console.WriteLine("Start: fizzbuzzRange()");

​

        fizzbuzzRange(1, 10);

        Console.WriteLine("End - fizzbuzzRange()\n");

​

        //int[] targetInts = { 3, 5, 7, 11 };

        //string[] targetPhrases = { "fizz", "buzz", "hello", "goodbye" };

        Divisor fizz = new Divisor();

        fizz.number = 3;

        fizz.phrase = "fizz";

        Divisor buzz = new Divisor();

        buzz.number = 5;

        buzz.phrase = "buzz";

        Divisor hello = new Divisor();

        hello.number = 7;

        hello.phrase = "hello";

        Divisor goodbye = new Divisor();

        goodbye.number = 11;

        goodbye.phrase = "goodbye";

        Divisor[] divisorArray = { fizz, buzz, hello, goodbye };

        Console.WriteLine("Start: fizzbuzzExtensible()");

​

        fizzbuzzExtensible(divisorArray, 1, 11 );

        Console.WriteLine("End - fizzbuzzExtensible()\n");

​

    }

    public static void fizzbuzz( int n ){

            string answ = "";

        if( n % 3 == 0 ){

            answ = "fizz";

​

        }

        if( n % 5 == 0){

            answ = answ + "buzz";

        }

        if( n % 7 == 0){

            answ = answ + "hello";

        }

        if (answ == ""){

            answ = answ+n;  

        }

        Console.WriteLine(answ);

    }

    public static void fizzbuzzRange( int low, int high){

        for(int i = low; i <= high; i++){

            fizzbuzz(i);    

        }

    }

    // NOTE: This solution gives the user the ability to use fizzbuzzExt..() over a RANGE of numbers, this could be done with sequences also with 

    //little modification, by the time I'd realized this it was a bit late to change that.

    public class Divisor{

        public int number { get; set; }

        public string phrase { get; set; }

    }

    public static void fizzbuzzExtensible( Divisor[] divisor, int low, int high){

        string answ = "";

        //int targetIntCount = 0;

        //int i = low; //used for while version

        for(int i = low; i <= high; i++){           //while(i <= high){ // while version

            for(int divCount = 0; divCount < divisor.Length; divCount++){

                if (i % divisor[divCount].number == 0){

                    answ = answ + divisor[divCount].phrase;

                }

                //divCount++;

            }

            if(answ == ""){answ = answ+i;}

            //print at the end of all target number iteration

            Console.WriteLine(answ);

            //Console.WriteLine("Here");

            //RESET iterators

            //targetIntCount = 0;   //while version

            answ = "";

            //i++;  //while version

        } //for loop close

    }

}

​