'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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3 rounds | 7 Coding problems
Interview preparation journey
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Preparation
Duration: 1.5 Months
Topics: Data Structures(Binary Trees, Arrays, LinkedList, Graph, Stack, Queue), OOPS, Operating Systems, Computer Networks
Tip
Tip

Tip 1 : Practice Amazon Tagged Questions on gfg
Tip 2 : Practice DS Algo MCQ's on gfg
Tip 3 : Try to read as much as past interview experiences when you have limited time left for interview(eg:1 or two weeks)

Application process
Where: Other
Eligibility: No criteria
Resume Tip
Resume tip

Tip 1 : Do not write anything on the resume which you can't defend on the day of the interview(You might have a cool project but it's of no use if you are not thorough about it on the day of interview).
Tip 2 : Write the work in the project which you done and the impact you created via it and not generic details about the project

Interview rounds
01
Round
Medium
Online Coding Interview
Duration120 minutes
Interview date2 Dec 2020
Coding problem2

28 MCQ's + 2 coding question

1. Dice Throws
Hard
35m average time
65% success
0/120
Asked in companies
MakeMyTripDisney + HotstarCognizant

You are given D dice, each having F faces numbered 1 to F, both inclusive. The task is to find the possible number of ways to roll the dice together such that the sum of face-up numbe...

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2. Count Set Bits
Hard
15m average time
85% success
0/120
Asked in companies
QualcommOlaInfosys

You are given a positive integer ‘N’. Your task is to find the total number of ‘1’ in the binary representation of all the numbers from 1 to N.

Since the count of...

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02
Round
Hard
Face to Face
Duration45 Minutes
Interview date15 Dec 2019
Coding problem2

Coding Round 
Brief Introduction in starting and then two DSA questions(medium and hard)

1. Postorder Traversal
Easy
15m average time
85% success
0/40
Asked in companies
AmazonMicrosoftPaypal

You have been given a Binary Tree of 'n' nodes, where the nodes have integer values. Your task is to return its postorder traversal.


For Example:
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2. Longest Increasing Subsequence
Moderate
30m average time
65% success
0/80
Asked in companies
GooglePaytm (One97 Communications Limited)HCL Technologies

For a given array with N elements, you need to find the length of the longest subsequence from the array such that all the elements of the subsequence are sorted in strictly increasing order.

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03
Round
Medium
Face to Face
Duration60 Minutes
Interview date15 Dec 2019
Coding problem3

Coding Round 
No introduction
3 DSA Questions

1. Sort an array in wave form
Easy
10m average time
85% success
0/40
Asked in companies
SAP LabsPaytm (One97 Communications Limited)Amazon

You have been given an unsorted array ‘ARR’.

Your task is to sort the array in such a way that the array looks like a wave array.

Example:
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2. System Design Question

Implement a data structure for implementing the feature of showing three last watched movies on Amazon Prime.

3. Data Structure Supporting Insert Delete And GetRandom
Easy
15m average time
85% success
0/40
Asked in companies
ZomatoWalmartAmazon

Design and implement a data structure which supports the following operations:

insert(X): Inserts an element X in the data structure and returns true if the element was not present, and false otherwise...
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