Abridge coding interview

Questions Abridge asks in this round 6

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  Decode string: expand nested k[text] repeatsCodingLockedA string is encoded with the rule k[text]: the text inside the brackets is repeated k times. k is a positive integer that may have several digits, encoded parts can be nested…

  Last asked Sep 2026Were you asked this too?
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  Flip, invert and smooth a binary imageCodingLockedYou get a binary matrix. First mirror each row left to right and flip every bit.

  Last asked Sep 2026Were you asked this too?
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  String compression: run-length encode a character list in placeCodingLockedGiven a non-empty list of single characters, compress it with run-length encoding. Split the list into maximal runs of equal adjacent characters.

  Last asked Sep 2026Were you asked this too?
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  Sum of numbers up to n divisible by 3, 5 or 7CodingLockedGiven a positive integer n, return the sum of every integer from 1 to n, both ends included, that is divisible by at least one of 3, 5 and 7. A number divisible by more than one…

  Last asked Sep 2026Were you asked this too?
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  Clone graph: deep-copy a connected undirected graphCodingLockedGiven one node of a connected undirected graph, return a deep copy of the whole graph: new node objects with the same values and the same edges, each neighbor list in the same…

  Last asked Sep 2026Were you asked this too?
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  Build an audio recorder mobile appCodingLockedIn one hour, build a small mobile app that records audio, on the platform and in the language you work in. When the core app works, the interviewers ask for a small extension and…

  Possibly retiredWere you asked this too?