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Data Scientist Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
- 9403
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- 546
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- 11
- Topics
- 8
- Languages
Showing 1–4 of 4 results
- AqrMediumData ScientistAutopilot a Thruster Drone Through Randomized Canyon Walls
Write a per-tick controller that fires a drone's thruster so it clears wall openings on unseen, randomized canyons. Tests modeling deterministic physics, depth-limited lookahead search, and choosing a horizon that generalizes.
Software Engineering FundamentalsOnline Assessmentsimulationsearchgame-ai - AqrMediumData ScientistAutopilot for a Flappy Bird-Style Game Across Maps with Varying Pipe Gaps
Build an autopilot for a Flappy Bird-style game that decides on every step whether the bird should flap so it flies through pipe gaps whose heights vary across unseen maps. Tests modeling the game's physics, planning ahead under a time budget, collision handling, and generalizing beyond a single map.
Software Engineering FundamentalsOnline Assessment - AqrMediumData ScientistAutopilot for a Submarine Navigating Shifting Reef Gaps
Write a controller that decides, on every tick, whether a mini-submarine should blow ballast to rise through reef-pair gaps of varying heights on unseen maps, using a short deterministic lookahead search.
Software Engineering FundamentalsOnline Assessmentsimulationsearchgame-ai - HeadlandsMediumData ScientistC++ Sliding-Window Mean of a Float Array With Inf, -Inf and NaN Handling
Implement an O(n) sliding-window mean over a 32-bit float array containing IEEE-754 special values (+inf, -inf, NaN) without poisoning subsequent windows or suffering numerical drift.
Software Engineering FundamentalsOnline Assessmentcppsliding-windowieee-754
Aqr