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Interview Experience
Tarun Santani
Arista
Intern
CS 2025
Wednesday, February 5, 2025
699 reads
✦1 min read

🎯 Process Overview


πŸ“Œ Stages:

  • Online Assessment
  • Technical Interviews: Round 1 & Round 2
  • HR Interview

πŸ“ Online Assessment

The assessment consisted of *two sets, where *one question was common across both sets.

  • My Set: This set was relatively easier.
    • Question 1: A standard string manipulation question.
    • Question 2: A Fibonacci pattern-based question. This was *challenging to interpret, but upon careful observation of the test cases, the *pattern could be deciphered.

πŸ›  Interview Rounds

πŸ”Ή Technical Interview β€” Round 1

πŸ‘₯ Candidate Count: Approximately 20–25 candidates.
⏳ Interview Duration: 1 hour 10 minutes (longest among all candidates).
πŸ’» Mode: Online

πŸ“ Questions:

  • Mathematical & Bit Manipulation:

    • A few questions related to basic math and bitwise operations.
  • Data Structures:

    • Linked List: Dividing a linked list into k parts and performing some operation.
    • Graphs: Questions focused on DFS and BFS traversal methods.
  • Computer Science Concepts:

    • Kernel: Explained the basic concept of the kernel.
    • Abstraction and Encapsulation: Discussed these fundamental OOP concepts.

πŸ”Ή Technical Interview β€” Round 2

πŸ‘₯ Candidate Count: Reduced to 10 candidates.

⚠ Challenges:

  • Limited time remaining for the interview because of the last round.
  • My interviewer had some personal issues with clear communication, which added a bit of difficulty.

πŸ“ Questions:

  • Introduction:

    • Briefly introduced myself.
  • Technical Questions:

    • String manipulation questions.
    • A graph-based question.
    • Pattern Matching: A string pattern-matching question where the optimal solution involved using a Trie data structure.
      • I implemented the solution but faced difficulty in managing the end-of-string marker to check if a word was fully formed.

❌ Verdict:

  • Outcome: Not selected.

πŸ” Observations:

  • Candidates who cleared Round 2 were offered the position, with **three candidates receiving Pre-Placement Offers (PPOs).

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