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Apple - Phone Screen

Round 1

Questions:

  1. Longest Substring Without Repeating Characters

    • Asked variations on this problem:
      • What if I want to return the first, or last match?
      • What if I want to return all matches (but the longest)?
  2. How would you find words in a string?

    • I believe they were looking for a Trie data structure.
    • Didn't have a lot of time; this was only a discussion section.
Candidate's Approach

No approach provided.

Interviewer's Feedback

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