is_in_dictionary.rb

ruby

#!/usr/bin/env ruby

dict = ENV.fetch('DICTIONARY', ["две", "сотни", "тысячи"])
string = ENV.fetch('WORD', "двесотни")

def in_dictionary?(dictionary:, string:)
	formatted_string = string.gsub(/\s/, '')
	squashed_dictionary = dictionary.flatten.each_with_object([]) do |i, res|
		res << i.to_s unless i.nil? || i.empty?
	end.uniq
	squashed_dictionary.length.times do |i|
		there_is_a_match = squashed_dictionary.permutation(i + 1).map(&:join).include?(string)
		return true if there_is_a_match 
	end

	false
end

puts in_dictionary?(dictionary: dict, string: string)