Algorithms interviews: theory vs. practice https://danluu.com/algorithms-interviews/ …
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I definitely didn’t mean to imply that algorithms questions are “good”, period. I just wanted to give advantages other than “we need people to actually write fancy algorithms”.
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One of the advantages is that you can come up with a lot of different questions that are recognizably “algorithms questions”, which makes it hard to memorize them all. I think “have your friends told you our questions, and have you memorized the answers” is a bad criterion.
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We also fool ourselves about how egalitarian algorithm interviews are. It was jarring at Google when I eventually realized that the popular questions have rubric guidelines with holes the size of Swiss cheese.
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Giving the same interview to two different people doesn’t ensure the same numeric outcome (and my guess is that the domain could be substantial over the set of all interviewers), which was a problem because they had guidance that emphasized the meaning of exact scores
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