StealthCoder

Alpaca OA questions,
4 reported by real candidates.

Every Alpaca online assessment question candidates have reported, most recent August 2026. The pattern that shows up most: array.

Get StealthCoderRuns invisibly during the live Alpaca OA. Under 2s to a working solution.

August 2026 (2)

Return Distinct Elements
array
Make a Sorted Array Unique In Place

June 2026 (1)

Hungarian Lottery Winner Counts

September 2022 (1)

hash table
Aggregate a Large Dataset With GROUP BY
⏵ The honest play

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StealthCoder runs invisibly during the live screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Works on HackerRank, CodeSignal, CoderPad, and Karat.

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Questions reported by candidates from real Online Assessments. Sourced from a publicly-available candidate-aggregated repository. Not affiliated with Alpaca.

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