The author reports receiving a four-question CodeSignal assessment from Capital One without prior recruiter contact. One task involved a basic array operation, but the author could not recall its details. The other tasks concerned alternating high and low values around a circular array, identifying a smaller pattern within a numeric matrix, and determining whether segments fit on a number line containing blockers.
The instructions appeared to prioritize producing correct results over efficiency, although the author was unsure how performance affected scoring. The author compared the final task with a more demanding segment-tree problem found on LeetCode. No assessment result is reported.
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