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    yes. apparently the tests don't catch O(n^2) solutions despite the description.

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    100%. there are plenty of unoriginal, poorly constructed/described/tested katas on here. this is clearly not one of them. it's a disservice to the community and the authors not to differentiate the good stuff from the bad by voting rationally.

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    man, this isn't your daddy's 6 kyu kata lol. good one tho.

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    Should be used as referee as it is the fastest solution.
    Or gmpy2 should be forbidden as BigInt is forbidden in Java.

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    Fork that should fix this issue.

    • ReferenceImplementation.result returns now a list of acceptable names ;
    • _test_most_weekend_birthdays checks that the actual name is in the expected names ;
    • remove the allow_raise = True param in the last tests before the random ones.
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    test fails with 'Issue with shared date of birth' message for inputs:

    [('Urma', '2002-03-06'), ('Victor', '2002-03-06'), ('Xavier', '2004-03-01')] , '2022-12-31'
    

    Urma and Victor have the same birthdate (and more weekend birthdays than Xavier). according to the kata description, the tests should accept either Urma or Victor, but they reject Victor.

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    This comment is hidden because it contains spoiler information about the solution

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    What? I avoid this approach on purpose. I try to solve these challenges without googling at all. And if I google I only google small part of what I need. After solving it, I look for good solutions among the answers to learn from. This is not one of them. My answer is horrible, but it shows the actual implementation. The solution of this guy is "google a module that solve the entire problem". But I already know how to google. So I'll have a look for someone further down that actually managed to solve the problem

    Do you really wish you thought of googling? Because that is all this answer requires if you don't have the library name in your head.

    It's like saying "wish I had used chatGPT to solve this problem"
    Sure, you may use chatGPT as a tool in your work, but it would remove entire point of coding challenges

    Solutions like these aren't allowed in most coding interviews. It's not impressive. It does not show skill. It is not educational. At this point I wonder why even post a solution at all? What do you get from it? It's like voluntarily taking a math quiz for fun, but then copy paste all the answers from the solution manual

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    Libraries should indeed be used in real life programming of python.

    The purpose of coding challenges is however, to learn to think how to use algorithms to solve problems. Not to get a working code for a client.

    This guy, using a library to do the entire problem, removed the entire challenge of this kata. He solved a 8 kyu problem at best. It's like getting a math problem and then googling the solution. You learn nothing and getting the answer don't show knowledge or skill. Everyone can google. Importing a library that does litterally the whole challenge... not the purpose of the challenge. Unless you think googling the most easy to understand libraries is super hard, and your goal is to practice them. In that case I suggest going to one of those 75 + year meetings where they teach basic computer knowledge

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    These goals are not mutually exclusive. Exactly the opposite in most practical cases.

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    I thought about it later again...

    It definitely depends on your goal for training.
    If you want to learn libraries, go for libraries.
    If you want to learn to program algorithms, then go for that.

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