Runway coding screen interview

Round 1 of 2 · 3 questions reported

See the whole loop
Length
45 min
Format
Live coding
Heads-up
Reported: an n-gram model class with fit and generate, then how to choose n.

Questions Runway asks in this round 3

  • N-gram language model with fit and generateCodingLockedWrite an n-gram language model class. fit reads a text file, tokenizes it, counts n-grams and their (n − 1)-word contexts, and turns the counts into smoothed conditional…
    Last asked Jun 2026
  • Design a video search systemAI/ML designLockedDesign search over a very large video library, up to billions of clips. Users search by text ("a dog surfing at sunset") or by example, giving a video to find similar ones.
    Possibly retired
  • Design a video content analysis platformSystem designLockedCreators upload videos and ask for them to be analyzed: scenes, objects, a speech transcript, safety labels and embeddings, all tied to timestamps in the video. Design the…
    Possibly retired