The article discusses the author's favorite coding question to ask candidates during interviews. It emphasizes the importance of clarifying questions, understanding code complexity, and optimizing solutions. The question involves generating a list of loyal customers based on log files. The article highlights different approaches taken by candidates and provides insights for interviewers.
Table of contents
My favorite coding question to give candidates (and why)Ask Clarifying QuestionsNaive solution firstTuning O(n²) into O(n)Optimizing Your SolutionThe Other SolutionIn conclusion4 Comments
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