Amazon Interview Experience | On-Campus for SDE-I
Last Updated :
09 Dec, 2019
Experience from IIT Delhi On-Campus, Dec. 2019
Placement Test:
Two questions from a pool of 15 questions (easy and medium) and 28 MCQ’s based C/C++ skills and pointer arithmetic.
Some of them which I remember are:
- Mean, Mode & Median of an array.
- Find the number of inversions in an array.
- Min. Dice throw DP etc.
Round 1:
The interviewer asked 3 questions:
Q1. Write code to find the path from one node to another in a binary search tree. Did it well.
To proceed to round 2, do one of these:
Q2. Write code to heapify an array. OR Find the minimum number of modifications to sort an array where one modification means to increment or decrement an element by one.
Round 2:
First, the interviewer took a quickfire round from CV.
Then, he asked this question:Â https://www.geeksforgeeks.org/design-a-data-structure-that-supports-insert-delete-search-and-getrandom-in-constant-time/
Round 3:
I got asked this problem:Â https://www.geeksforgeeks.org/k-maximum-sum-combinations-two-arrays/
But I couldn’t go beyond brute force solution this time and he wasn’t very happy with my efforts.
He saw I was very exhausted and frustrated (it was day 2 slot 2, and I was being interviewed simultaneously by two companies at that time). So, he told me, it was the same story with him and he got rejected by Amazon on-campus but got in 6 months later.
Round 4:
I didn’t get to round 4.
Hope this helps!
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