Katkat

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Ai2 interview questions

1 practice questions in the style of Ai2's interviews, covering Coding & Algorithms.

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Ai2 interview questions by the numbers

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Katkat has 1 Ai2 interview questions. The largest topics are Coding & Algorithms (100%). By difficulty: 100% medium. The most common round is Technical Screen (100%). Frequent concepts include Concurrency, Cycle Detection, Data Structures and Graphs.

Topics

Difficulty

  • Medium100% · 1

Interview rounds

  • Technical Screen100% · 1

Roles

  • Software Engineer100% · 1

Frequent concepts

  • Concurrency100% · 1
  • Cycle Detection100% · 1
  • Data Structures100% · 1
  • Graphs100% · 1
  • Trees100% · 1

Showing 1–1 of 1 result

  • Maintain an Out-of-Order Step Progress TreeMedium

    This problem tests tree reconstruction from a stream of out-of-order parent-child updates, requiring efficient hierarchical state management and cycle detection.

    Ai2Software EngineerCoding & AlgorithmsTechnical Screen

Ai2 interview experiences

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  • A Streaming Step-Hierarchy Design ProblemAi2 · Software Engineer · Senior+ · Technical Screen · Jul 2026

    The question gives a set of StepProgressEvents, where each event contains: The same step_id can receive multiple updates — for example first running, then later done — and events can also arrive out of order. Each step can have child steps, and in the end you need to maintain and output the current latest step hierarchy, for example: Also, after the initial batch of events is processed, the syste…

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