Amazon Interview Experience | Set 371 (For SDE-2)

Recently I had an interview at amazon for SDE 2 role and here is my experience:

Round 1:

  1. Given a binary tree, print the nodes in zig-zag form.
    Solution: GeeksforGeeks Link
  2. Given a binary tree, return the farthermost nodes.
    Solution: GeeksforGeeks Link

Round 2:

  1. Implement meeting booking system like outlook.

Round 3:
This was bar-raiser round.

  1. Millions of words are coming in stream and there is a typo in some words.Assign each words in some cluster which is most closer to the word. Example: iphone, ipone, abiphone, iphoe should be in one cluster.
  2. Design Data warehouse placement system.
  3. Lots of behavioral questions: why amazon,what is most critical feedback you got from manager, when did you get above and beyond feedback and why.

Round 4:

  1. Detail discussion on project which I have worked on.At each point interviewer was asking why you did this way, why not some other way.
  2. Design producer/consumer live and offline video streaming system.
  3. Design comment system.

Lots of behavioral questions

Round 5:

  1. Return all the possible decoding of the given digit sequence where 1 denotes a, 2 -> b, 3->c so on. Example: input 121 output ‘aba’, ‘la’, ‘au’.
    Solution: GeeksforGeeks Link
  2. Maximum of all subarrays of size k

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