Hackerrank Ruby Control Structures - Unless Solution
You've updated the score of every HackerRank user who participated in a contest. Sometimes, HackerRank admins also participate in a given contest but care is taken to ensure that their submissions do not get any score and their score is not updated.
Like the previous challenge, you are given a method
scoring with an array passed as an argument. Each element of the array is of class
User has two public methods,
update_score. Your task in this challenge is to use the control structure
unless and update all elements of the array who are not
unless user.is_admin? user.update_score end
user.update_score unless user.is_admin?
The above code is a Ruby one liner.
unless is the logical equivalent of
Solution in ruby
def scoring(array) array.each do |user| user.update_score unless user.is_admin? end end