A 45-Minute Mock Interview Practice Session Before Solving More Problems

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The article argues that finishing many practice problems can give false reassurance, since solving alone skips the reasoning steps interviewers evaluate, such as clarifying ambiguity, choosing an approach, and recovering from mistakes. It proposes a self-run mock: a 45-minute attempt on an unfamiliar problem in a familiar language, followed by a 10-minute review, with optional spoken reasoning or timestamped notes. The author suggests recording tool rules and hints used so the attempt can be reviewed honestly, and frames the timings as a practice proposal rather than an official interview format. Two example exercises, a session-counting task and a sign-in/sign-out problem, are offered for readers to attempt.

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