Performance · interview question
A teammate submits shaky data structure choice code. Which review comment is the strongest?
Multiple choiceMediumchapter-16-curatedpremiumperformancedata-structure-choice
Answer and explanation
Correct answer
D. Make the rule clearer and easier to explain. Pick the shape that matches membership checks, ordering needs, update patterns, and read frequency.
Why
The best review comment anchors the change to readability, correctness, and future maintenance. Sticking with the first convenient structure can add avoidable cost everywhere else.
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