From: Jesse Merriman <jesse.d.merriman@...>
Date: 2007-06-04T11:19:45+09:00
Subject: [SOLUTIONS][QUIZ] FizzBuzz (#126)

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Attached are my 7 attempts. Some are ok, some are crap. No golfing.


-- 
Jesse Merriman
jessemerriman@warpmail.net
http://www.jessemerriman.com/

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_0.rb

Fizz = 3
Buzz = 5
FizzBuzz = Fizz * Buzz

(1..100).each do |x|
  if    (x % FizzBuzz).zero? then puts 'FizzBuzz'
  elsif (x % Fizz).zero?     then puts 'Fizz'
  elsif (x % Buzz).zero?     then puts 'Buzz'
  else                            puts x
  end
end

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_4.rb

Fizz = 3
Buzz = 5
FizzBuzz = Fizz * Buzz

class Integer
  def fizzbuzz
    if    (self % FizzBuzz).zero? then 'FizzBuzz'
    elsif (self % Fizz).zero?     then 'Fizz'
    elsif (self % Buzz).zero?     then 'Buzz'
    else                          to_s
    end
  end
end

(1..100).each { |x| puts x.fizzbuzz }

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_2.rb

Fizz = 3
Buzz = 5

arr = Array.new(100) do |i|
  x = i + 1
  if (x % Fizz).zero?
    if (x % Buzz).zero? then 'FizzBuzz'
    else                     'Fizz' end
  elsif (x % Buzz).zero? then 'Buzz'
  else                        x end
end

arr.each { |e| puts e }

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_1.rb

Fizz = 3
Buzz = 5

(1..100).each do |x|
  if (x % Fizz).zero?
    if (x % Buzz).zero? then puts 'FizzBuzz'
    else                     puts 'Fizz' end
  elsif (x % Buzz).zero? then puts 'Buzz'
  else                        puts x end
end

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_5.rb

class Integer
  def fizzbuzz arr, str
    arr.each_with_index do |x, i|
      arr[i] = ((i+1) % self).zero? ? str : x
    end
  end
end

arr = (1..100).to_a
3.fizzbuzz arr, 'Fizz'
5.fizzbuzz arr, 'Buzz'
15.fizzbuzz arr, 'FizzBuzz' # Must be last.

arr.each { |x| puts x }

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_6.rb

FB = lambda { |mod, str| lambda { |x| (x % mod).zero? ? str : x } }
Fizz     = FB[3,  'Fizz']
Buzz     = FB[5,  'Buzz']
FizzBuzz = FB[15, 'FizzBuzz']

# Note that this wouldn't work if the numbers to_s'd got longer than their
# fizz-buzzed strings.
(1..100).each do |x|
  puts([Fizz[x], Buzz[x], FizzBuzz[x]].max do |a,b|
    a.to_s.length <=> b.to_s.length
  end)
end

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#!/usr/bin/env ruby
# Ruby Quiz 126: FizzBuzz
# fb_3.rb

Fizz = 3
Buzz = 5
FizzBuzz = Fizz * Buzz

class Fixnum
  alias :old_to_s :to_s
  def to_s; (self % FizzBuzz).zero? ? 'FizzBuzz' :
            (self % Fizz).zero?     ? 'Fizz' :
            (self % Buzz).zero?     ? 'Buzz' :
                                      old_to_s
  end
end

# Peter Seebach's suggestion.
(1..100).each { |x| p x }

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