Amazon Interview Experience for SDE-1 | 6-Months Intern (On-Campus)
Round 1: An online assessment that consisted of four parts:
- Code Debugging: 7 questions to be debugged in 20 minutes. (easy-medium)
- Coding Test: 2 coding questions to be solved in 70 minutes. (medium)
- Workstyles assessment: 20minutes
- Reasoning ability: 35 minutes (easy-medium)
38 members were shortlisted for the interviews.
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Round 2: It was a technical interview for 1 hour. The interviewer gave her an introduction and asked about me. Then I was given the following questions.
- https://www.geeksforgeeks.org/word-break-problem-dp-32/. Asked me to discuss the time and space complexity of my approach and then to code.
- https://www.geeksforgeeks.org/trapping-rain-water/. I was able to solve this easily and discussed the time and space complexity.
Around 12 members were shortlisted for TR-2
Round 3: It was a technical interview for 1 hour. After a brief introduction the interviewer asked the following question:
- Given a binary tree, return the sum of all the nodes whose Kth parent (Kth ancestor) value is even. Where 0 < K < 10^7.
K=2 8 / \ 2 3 / \ \ 4 5 7 \ / 6 1
- The 2nd ancestor of 4 , 5 ,7 is 8 and 8 is even
- The 2nd ancestor of 6 is 2 and 2 is even
- The 2nd ancestor of 1 is 3 and 3 is odd
Finally, I wrote a code with linear time complexity using post-order traversal.
THANK YOU SO MUCH GFG TEAM…