def twin_sum_solutions(array) duplicates = [] find_duplicates(array).map{|e| e*2 } end def find_duplicates(array) duplicates = [] array.each do |element| duplicates << element if array.count(element) > 1 end duplicates.uniq end
- def twin_sum_solutions(array)
- duplicates = []
- find_duplicates(array).map{|e| e*2 }
- end
- def find_duplicates(array)
- duplicates = []
- array.each do |element|
- duplicates << element if array.count(element) > 1
- end
- duplicates.uniq
- end