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SDE - 2
Amazon
4 rounds | 7 Coding
problems
Rejected
549 views
0 comments
2 upvotes
Interview preparation journey
Preparation
Duration: 3 months
Topics: Data Structures and Algorithms, OOPS concepts, cpp, operating systems, dbms
Tip 1 : Expect questions related to Amazon Leadership principles in all rounds, so go through those thoroughly before sitting for the interview process.
Tip 2 : In the design rounds, interviewer doesn’t expect the most ideal answer from you and unless your choice of technology is outrageously wrong, he won’t pinpoint that.
Tip 3 : Data Structures questions are a must in all rounds, so try to master them thoroughly
Application process
Where: Campus
Eligibility: No CGPA criteria
Tip 1 : Make sure you know everything you mention in your resume
Tip 2 : Have some hands on with hackathons and contests ,which brings an added value to your resume
Interview rounds
01
Round
Easy
Online Coding Interview
Duration90 minutes
Interview date2 Oct 2020
Problems2
Max Submatrix
Ninja has been given a matrix ‘MAT’ of integers having size ‘N’ x ‘M’ i.e. N rows and M columns. Ninja has to find the maximum sum submatrix in it. In other words, he has ...
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02
Round
Medium
Video Call
Duration60 minutes
Interview date16 Oct 2020
Problems2
Clone a binary tree with random pointers.
You are given a binary tree. Apart from the left and right child pointers, each node in the given binary tree points to a random node in the given binary tree. You are supposed to ...
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Ninja Port
Ninja is stuck in a city with ‘N’ colonies, and each colony contains...
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03
Round
Easy
Video Call
Duration75 Minutes
Interview date17 Oct 2020
Problems1
Technical Questions
This was taken by an SDE III guy, who again asked me about my projects for like 10 mins and then moved on to a low level design question.He asked me to design the HackerRank platform.
Again I started with listing down the usecases which I would cover, the interviewer asked me to write all the APIs which I would need to expose.
04
Round
Hard
Video Call
Duration60 minutes
Interview date20 Oct 2020
Problems2
Group Anagrams Together
You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that strings belonging to a particular group are anagrams of one an...
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Add Linked Lists
Given two numbers represented by linked lists. Your task is find the sum list and return the head of the sum list.
The sum list is a linked list representation of addition of two numbers.
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