No Idea!

  • + 9 comments

    Here is Python 3 solution from my HackerrankPractice repository:

    _ = input()
    array = input().split()
    like = set(input().split())
    dislike = set(input().split())
    print(sum((i in like) - (i in dislike) for i in array))
    

    Feel free to ask if you have any questions :)