'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Amazon interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
Amazon
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2 rounds | 4 Coding problems
Interview preparation journey
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Preparation
Duration: 6 months
Topics: Recursion, Dynamic programming, OOPS, Sysytem Design, Trees
Tip
Tip

Tip 1 : Do atleast 3 major web dev project
Tip 2 : Practice from interview bit
 

Application process
Where: Campus
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Resume should not be more than 1 page
Tip 2 : Be precise

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date22 Oct 2020
Coding problem2

Timing (6pm - 8pm)
Environment was user friendly 
As usual the online round had two coding questions and 20 MCQs. This was a pretty easy round and it’s duration was 90 minutes. The round consisted of questions from various domains like Algorithm, Data Structure, Operating System and Aptitude.

A few days after appearing in this round, I was informed that I have been qualified for the next round.

1. Sorted Subsequence of Size 3
Moderate
15m average time
85% success
0/80
Asked in companies
WalmartAmazonCurefit

You are given an array consisting of N elements and you need to find a subsequence consisting of three elements such that the elements, in the subsequence, are in strictly increasing order.

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2. Check if two trees are Mirror
Easy
15m average time
85% success
0/40
Asked in companies
QualcommHCL TechnologiesSterlite Technologies Limited

You are given two arbitrary binary trees consisting of N and M number of nodes respectively, your task is to check whether the two trees are mirror of each other or not.

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02
Round
Medium
Video Call
Duration90 minutes
Interview date5 Nov 2020
Coding problem2

Timing (10 am- 11 am)
For this round I had slightly more time than the last, due to the fact that the weekend fell in between.The interviewer was very very cool and helping this time, something which I kept at the last in my list of probable things that can happen during an interview. Duration of this round was around 90 minutes.

This time I had to face three technical questions and one general question on Amazon.

1. Convert Bst To The Greater Sum Tree
Moderate
30m average time
70% success
0/80
Asked in companies
IBMOYOSalesforce

You have been given a Binary Search Tree of integers. You are supposed to convert it to a greater sum tree such t...

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2. Game of 3
Easy
30m average time
70% success
0/40
Asked in company
Amazon
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