'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 - 1
Amazon
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3 rounds | 6 Coding problems
Interview preparation journey
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Preparation
Duration: 4 Months
Topics: Java, Python, CN, Operating Systems, Algorithms, Data Structures
Tip
Tip

Tip 1 : Practice atleast 250 problems from leetcode and Geeksforgeeks
Tip 2 : Communication should be fluent. They just check your problem solving capability, the thought processing. Even if your thought(idea) to solve the problem is correct, and if you cannot solve the problem, they still accept you.
Tip 3 : Dont loose your confidence in the interview if you are stuck somewhere in the problem, the interviewer will be friendly and will help us in getting out from the problem.

Application process
Where: Campus
Eligibility: Above 7CGPA in B.Tech and 80% above in 10th and Inter
Resume Tip
Resume tip

Tip 1 : Keep your Resume and don't use colors in your resume. Keep it up to date.
Tip 2 : Any unwanted information on the resume leaves a bad impact on the interviewer.
Tip 3 : Projects play a important role. Maintain good projects in your resume this will help you out in even getting shortlisted.

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date26 Sep 2020
Coding problem2

This round consists of 30 mcqs and 2 coding questions where switching can be done from one section to another another section. We can write at any time from 5pm to 9pm in the evening.

1. Search in a row wise and column wise sorted matrix
Moderate
15m average time
80% success
0/80
Asked in companies
DirectiZomatoPaytm (One97 Communications Limited)

You are given an 'N * N' matrix of integers where each row and each column is sorted in increasing order. You are given a target integer 'X'.


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2. Subtree of Another Tree
Easy
10m average time
90% success
0/40
Asked in companies
Thought WorksInfo Edge India (Naukri.com)GE (General Electric)

Given two binary trees T and S, check whether tree S has exactly the same structure and node values with a subtree of T, i.e., check if tree S is a subtree of the tree T.

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02
Round
Medium
Video Call
Duration60 minutes
Interview date8 Oct 2020
Coding problem2

The interview was held in Amazon Chime. At 2pm the interview was scheduled. The interviewer was very friendly. I had a friendly environment. Even if i am stuck somewhere, the interviewer helped me comming out of that.

1. Design a stack that supports getMin() in O(1) time and O(1) extra space
Moderate
15m average time
85% success
0/80
Asked in companies
Morgan StanleySalesforceOpenText

Create a stack data structure that allows operations such as push (adding an element), pop (removing the top element), top (retrieving the top element), and also provides a w...

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2. Maximum In Sliding Windows Of Size K
Moderate
20m average time
80% success
0/80
Asked in companies
FlipkartMicrosoftAdobe

Given an array/list of integers of length ‘N’,...

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03
Round
Medium
Video Call
Duration60 minutes.
Interview date16 Oct 2020
Coding problem2

The interview was held in Amazon Chime. At 10am the interview was scheduled. The interviewer was very friendly. I had a friendly environment. Even if i am stuck somewhere, the interviewer helped me comming out of that.

1. First and Last Position of an Element In Sorted Array
Easy
15m average time
85% success
0/40
Asked in companies
LinkedInGoldman SachsAdobe

You have been given a sorted array/list 'arr' consisting of ‘n’ elements. You are also given an integer ‘k’.


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2. Sort 0 1 2
Easy
22m average time
0/40
Asked in companies
OptumSamsung R&D InstituteTata Consultancy Services (TCS)

You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list.

Note :
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