Contains Duplicate - Set Pattern Practice Quiz Questions

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Questions — Page 1 of 1

  1. What does Contains Duplicate ask you to detect?
  2. Why is pair comparison slow for duplicate detection?
  3. Why does a set help here?
  4. For nums = [1, 2, 3, 1], when can we return true?
  5. What is the space complexity of the set solution?

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