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-2.0.8.40	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.39	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.38	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.37	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.36	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.35	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.34	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.33	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.32	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.31	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.30	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.29	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.28	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.27	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.26	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.24	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.23	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.22	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.21	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.8.20	tracks/ruby/exercises/difference-of-squares/example.rb