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Partition.partition(basket.length) all_b = basket.permutation.sort.uniq poss = all_b.map do |b| parts.map do |p| bclone = b.clone q = p.reduce([]){ |acc, n| acc << bclone.shift(n).sort } q.map{ |sa| sa.sort } q.sort 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BookStore.new(basket).calculate_price end def initialize(basket) ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":47,"iteration_status":"tests_failed","published_iteration_head_tests_status":"exceptioned","published_at":"2022-06-01T15:13:00.000Z","is_out_of_date":true,"language":"ruby","author":{"handle":"Inmo"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/Inmo","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"a18132c215f44e69975ccd470c163689","snippet":"class BookStore ##### I would want these to be inputs, along with basket ##### ONE_MINUS_DISCOUNTS = [1.0, 0.95, 0.9, 0.8, 0.75] INDIVIDUAL_PRICE = 8 def self.calculate_price(basket) new(basket).price end ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":4,"num_loc":61,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2022-09-27T04:37:05.000Z","is_out_of_date":false,"language":"ruby","author":{"handle":"thelmalu"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/thelmalu","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"3825a180302643f582ec40d92b28c640","snippet":"module BookStore def self.calculate_price(books) total(books.each_with_object(Array.new(6, 0)) { |n, cs| cs[n] += 1 }) end private def self.cost(n) n * 8 * [0, 1, 0.95, 0.9, 0.8, 0.75][n] end ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":19,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"exceptioned","published_at":"2018-07-15T09:18:29.000Z","is_out_of_date":true,"language":"ruby","author":{"handle":"dbalmain"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/dbalmain","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"f1299eef4f9b434292907ce83d4702d6","snippet":"class BookStore def self.calculate_price(books) prices(books).min end def self.prices(books) return [0] if books.empty? discounts(books) .map { |dist| prices(books.diff(dist[1])).map { |elem| dist[0] + elem } } .flatten ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":2,"num_loc":42,"iteration_status":"tests_failed","published_iteration_head_tests_status":"exceptioned","published_at":"2018-07-30T11:41:27.000Z","is_out_of_date":true,"language":"ruby","author":{"handle":"m1kal"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/m1kal","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"21d41d8f0c16430282eced5ebb821391","snippet":"class BookStore DISCOUNT = { 0 => 0, 1 => 0, 2 => 5, 3 => 10, 4 => 20, 5 => 25 } @groups = {} ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":63,"iteration_status":"tests_failed","published_iteration_head_tests_status":"exceptioned","published_at":"2019-03-10T19:42:02.000Z","is_out_of_date":true,"language":"ruby","author":{"handle":"cjavdev"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/cjavdev","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"7b423fd005df4bc9bc639076a3257a68","snippet":"module BookStore BASE_PRICE = 8 DISCOUNTS = [0, 0, 5, 10, 20, 25] BUNDLE_PRICE = DISCOUNTS.map.with_index.with_object({}) do |(d, i), h| h[i] = i * BASE_PRICE * (1 - d.fdiv(100)) end # We sort bundle sizes to know which ones increase # the total price the less when adding a book. ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":22,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2019-04-28T18:36:47.000Z","is_out_of_date":false,"language":"ruby","author":{"handle":"paolobrasolin"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/paolobrasolin","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"4a525c803d6e43a7beba86b24f14a1c3","snippet":"module BookStore PRICES = {1 => 8.00, 2=> 15.20, 3=> 21.60, 4=>25.60, 5=>30.00} def self.calculate_price(cart) total_price = 0.00 counts = Hash.new(0) cart.each {|key| counts[key] += 1 } totals = { 1=>0, 2=>0, 3=>0, 4=>0, 5=>0 } while counts != {} ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":2,"num_loc":35,"iteration_status":"tests_failed","published_iteration_head_tests_status":"exceptioned","published_at":"2020-07-22T16:42:48.000Z","is_out_of_date":true,"language":"ruby","author":{"handle":"tnewmanheggie"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/tnewmanheggie","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}},{"uuid":"8352028352fe427f8c85c8ae28e5f750","snippet":"module BookStore PRICE = 8.00 DISCOUNT = { 1 => 0, 2 => 0.05, 3 => 0.10, 4 => 0.20, 5 => 0.25 }.freeze ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":2,"num_loc":35,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2023-10-08T15:54:53.000Z","is_out_of_date":false,"language":"ruby","author":{"handle":"KylianCadet"},"exercise":{"title":"Βιβλιοπωλείο","icon_url":"https://assets.exercism.org/exercises/book-store.svg"},"track":{"title":"Ruby","icon_url":"https://assets.exercism.org/tracks/ruby.svg","highlightjs_language":"ruby"},"links":{"public_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/solutions/KylianCadet","private_iterations_url":"https://exercism.org/el/tracks/ruby/exercises/book-store/iterations"}}],"meta":{"current_page":1,"total_count":124,"total_pages":6,"unscoped_total":124}}}}}

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