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Amazon· SDE-1 Intern

Amazon Interview Experience | SDE-1 Intern | DSA Round + Gen-AI Round

Posted
26 Apr 2026
515 reads

Summary

I interviewed for an Amazon SDE-1 Intern position, completed an online assessment and two interview rounds (DSA and GenAI), but was rejected.

How it went

Hi everyone,
I recently interviewed for the Amazon SDE Intern role on campus. Sharing my experience.


Timeline

  • 19 Feb 2026 — Online Assessment
  • 16 April 2026 — Interviews
  • 25 April 2026 — Result (Rejected)

Online Assessment

Total Questions: 2

  • Q1: Monotonic Data Structure (Stack/Queue)
  • Q2: Binary Search on Answer

Round 1 — DSA

Started with introduction, discussion about skills, interests, and tech stack.

Questions

  1. House Robber (variation)
  2. House Robber II (variation)

Solved both within ~45 minutes. Explained approach and did dry runs.


Round 2 — GenAI + DSA (Same Day)

Behavioral + AI Discussion

  • How do you plan your day?
  • What are your interests?
  • How much do you trust AI?
  • What do you use AI for?
  • Have you solved problems using AI?
  • Which AI tools do you use?

Also discussed my projects and tech stack.


DSA Questions

  1. Aggressive Cows (variation)

  2. Group Similar Strings

Problem: Given an array of strings (all anagrams), two strings are similar if they are identical or can be made equal by one swap. Return number of groups.

Example: Input: ["tars","rats","arts","star"]
Output: 2

Approach

  • Used DSU (Disjoint Set Union)
  • Compared pairs to check if they differ in at most 2 positions
  • Union similar strings

Was able to build the logic, but couldn’t complete coding within time.


Result

Rejected (25 April 2026)


Takeaways

  • Implementation speed matters a lot
  • Practice DSU problems thoroughly
  • Be prepared for AI-related discussions
  • Binary Search on Answer is very common

Hope this helps.

Questions asked (1)

  1. 01

    Group Similar Strings

    Data Structures & Algorithms

    Given an array of strings (all anagrams), two strings are similar if they are identical or can be made equal by one swap. Return the number of groups.

    Example:

    Input: ["tars","rats","arts","star"]
    Output: 2
    

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