SDE-1 at Amazon

How it went

What they would tell you

How to prepare

Their background

Round by round

1. 1

   Online Assessment60 min

   A week after submitting my application, I received the OA link. The assessment followed the classic Amazon style:

   • 2 DSA questions (Medium–Hard)
   • Behavioral/LP-based situational questions I solved both coding problems efficiently and completed the behavioral section with confidence OA Result: Cleared
2. 2

   DSA Round60 min

   I solved both coding questions smoothly. I saw the interviewer nodding, smiling, it felt like a good sign Cleared

   • Count the Number of K Big Indices
   • Search in 2D matrix - II
3. 3

   DSA Round 260 min

   Two more DSA questions. Different variations, but still solvable

   • Variation of Maximum Alternating Subarray Sum
   • Variation of Walls and Gates Cleared
   • Maximum Alternating Subarray Sum
   • Walls and Gates
4. 4

   DSA Round 360 min

   Started with standard Amazon LP questions, I answered the standard LP questions confidently Then a DSA segment, I solved both problems optimally

   • Lowest Common Ancestor of a Binary Tree III
   • Print all nodes at a distance of K in BT

What came up