Created
April 24, 2012 20:36
-
-
Save Kerrick/2483510 to your computer and use it in GitHub Desktop.
Different solutions for Fizz Buzz in Ruby
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def fizz_buzz_1(max) | |
| arr = [] | |
| (1..max).each do |n| | |
| if ((n % 3 == 0) && (n % 5 == 0)) | |
| arr << "FizzBuzz" | |
| elsif (n % 3 == 0) | |
| arr << "Fizz" | |
| elsif (n % 5 == 0) | |
| arr << "Buzz" | |
| else | |
| arr << n | |
| end | |
| end | |
| return arr | |
| end | |
| def fizz_buzz_2(max) | |
| arr = [] | |
| (1..max).each do |n| | |
| if (n % 3 == 0) | |
| if (n % 5 == 0) | |
| arr << "FizzBuzz" | |
| else | |
| arr << "Fizz" | |
| end | |
| elsif (n % 5 == 0) | |
| arr << "Buzz" | |
| else | |
| arr << n | |
| end | |
| end | |
| return arr | |
| end | |
| def fizz_buzz_3(max) | |
| arr = [] | |
| (1..max).each do |n| | |
| text = "" | |
| if (n % 3 == 0) | |
| text << "Fizz" | |
| end | |
| if (n % 5 == 0) | |
| text << "Buzz" | |
| end | |
| if !((n % 3 == 0) || (n % 5 == 0)) | |
| text = n | |
| end | |
| arr << text | |
| end | |
| return arr | |
| end |
(1..100).each_with_object([]) do |number, array|
next array << "FizzBuzz" if number % 15 == 0
next array << "Fizz" if number % 3 == 0
next array << "Buzz" if number % 5 == 0
array << number
end
Author
Fizz Buzz, Object-Oriented Edition
module NumericRefinements
refine Numeric do
def divisible_by?(other) = remainder(other).zero?
end
endclass Replacement
def self.for(n) = @registered.find { it.valid? n }.new(n).to_s
def initialize(n) = @n = n
def self.valid?(n) = false
def to_s = self.class.name
private
# Subclasses defined later take precedence
def self.register(subclass) = (@registered ||= []).prepend subclass
def self.inherited(subclass) = register subclass
endusing NumericRefinements
class TheNumber < Replacement
def self.valid?(n) = true
def to_s = @n.to_s
end
class Fizz < Replacement
def self.valid?(n) = n.divisible_by?(3)
end
class Buzz < Replacement
def self.valid?(n) = n.divisible_by?(5)
end
class FizzBuzz < Replacement
def self.valid?(n) = Fizz.valid?(n) && Buzz.valid?(n)
endclass Game
def initialize(limit: 16) = @limit = limit
def to_a = (1..@limit).collect { Replacement.for it }
end
puts Game.new.to_a
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Uh oh!
There was an error while loading. Please reload this page.