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-2.1.0.4	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.1.0.3	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.1.0.2	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.1.0.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.1.0.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.55	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.54	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.53	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.52	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.51	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.50	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.49	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.48	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.47	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.46	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.45	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.44	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.43	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.42	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.41	tracks/ruby/exercises/difference-of-squares/example.rb