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HackerRank Ruby Control Structures – Each problem solution

YASH PAL, 31 July 2024

In this HackerRank Ruby Control Structures – Each problem-solution Ruby offers control structures that let you iterate through its collections. One such control structure is each.

As you already know, HackerRank conducts many contests, and for every user who participates in a contest, we update their score once the contest ends. You will be given a method called scoring with an array passed as an argument. Elements of the array are of the class User.

User class has a method update_score.

Your task is to iterate through each of the elements in the array using each and call the method update_score on every element.

HackerRank Ruby Control Structures - Each problem solution

Problem solution.

def scoring(array)
    # iterate through each of the element in array using *each* and call update_score on it
    array.each do |a|
        a.update_score
    end
end

Second solution.

def scoring(array)
    array.each(&:update_score)
end

coding problems solutions Ruby Solutions

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