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Zeta SDE-1 (Backend) Interview experience

Online Assessment

Questions:

  1. Hard graph question with weighted edges somewhat similar to Dijkstra but with additional requirements.
  2. Maths related question.
  3. Question similar to Koko eating bananas.

I was able to solve all the coding questions.


Round 1

Questions:

  1. Swap adjacent nodes in a linked list (need to swap the nodes and not the data values in the nodes).
  2. Substring with Concatenation of All Words.

I solved both questions and explained my code to the interviewer on a few sample test cases.

Candidate's Approach

I implemented the solution for swapping adjacent nodes in a linked list by using pointers to keep track of the nodes that needed to be swapped. For the substring problem, I used a sliding window approach to check for the concatenation of all words.

Interviewer's Feedback

No feedback provided.


Round 2

Questions:

I was not confident about my performance in this round as I got nervous in the middle during the interview and was not able to answer the questions properly.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.


Verdict: Selected

PS: Declined the offer as I heard many negative reviews about the company culture.