Contents

module BookKeeping
  VERSION = 3
end

class Squares
  attr_reader :max

  def initialize(max)
    @max = max
  end

  def square_of_sum
    sum = 0
    (1..max).each do |i|
      sum += i
    end
    sum**2
  end

  def sum_of_squares
    sum = 0
    (1..max).each do |i|
      sum += i**2
    end
    sum
  end

  def difference
    square_of_sum - sum_of_squares
  end
end

Version data entries

180 entries across 180 versions & 1 rubygems

Version	Path
trackler-2.0.8.19	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.18	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.17	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.16	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.15	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.14	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.13	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.12	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.11	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.10	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.9	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.8	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.7	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.6	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.5	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.4	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.3	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.2	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.7.0	tracks/ruby/exercises/difference-of-squares/example.rb