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-2.0.0.9	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.8	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.7	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.6	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.5	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.4	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.3	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.2	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-2.0.0.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.4.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.4.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.3.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.2.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.2.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.1.2	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.1.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.1.0	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.0.1	tracks/ruby/exercises/difference-of-squares/example.rb
trackler-1.0.0	tracks/ruby/exercises/difference-of-squares/example.rb