Amazon interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Amazon
3 rounds | 4 Coding
problems
Rejected
Interview preparation journey
Journey
I kept practicing DSA and CS fundamentals from the 3rd year of Engineering. Along with it, I was also learning web development and I made some good projects. Amazon was the first company that visited our campus. I left no stone unturned, went through the previous interview experiences, polished my skills and eventually cracked the very first interview that I sat down for in my life.
Application story
This company visited to my campus for the placement. We just had to upload resume and fill all details in the form. First, they took the online assessment. Later, they called us for the interview rounds.
Why selected/rejected for the role?
The basic reason for my selection was my strong knowledge of core DSA fundamentals and my problem-solving ability. I was selected because I had developed skills like DSA, problem-solving, and Logical building ability. I also prepared for the HR round because all the questions asked in the HR round I was already familiar with them. I was able to pick the hints given by interviewer and build my answers based on the hints provided.
Preparation
Duration: 8 months
Topics: Operating System, DSA, Computer Networks, OOPs, Algorithms, System Design
Tip 1 : Practice atleast 5-6 questions per day of DSA
Tip 2 : Do atleast 2-3 projects
Application process
Where: Campus
Eligibility: Above 7 CGPA
Tip 1 : Put only those things on resume in which you have confidence
Tip 2 : Put only those projects which done by yourself.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration120 Minutes
Interview date5 Nov 2020
Coding problem2
It was a coding round of 2 hours.
You need to allow access for camera and microphone
1. Loot Houses
Moderate
26m average time
0/80
Asked in companies
A thief wants to loot houses. He knows the amount of money in each house. He cannot loot two consecutive houses. Find the maximum amount of money he can loot.
2. Next Greater Number
Moderate
15m average time
90% success
0/80
Asked in companies
You are given a string S which represents a number. You have to find the smallest number strictly greater than the given number which contains the same set of digits as of the original number i.e the frequency of each digit from 0 to 9 should be exactly the same as in the original number.
For example:
If the given string is 56789, then the next greater number is 56798. Note that although 56790 is also greater than the given number it contains 1 '0' which is not in the original number and also it does not contain the digit '8'.
Note:
The given string is non-empty.
If the answer does not exist, then return -1.
The given number does not contain any leading zeros.
02
Round
Medium
Face to Face
Duration30 Minutes
Interview date19 Nov 2020
Coding problem1
The round was an technical face to face round.
They asked me problems related to DBMS, OS
03
Round
Medium
Face to Face
Duration20 Minutes
Interview date9 Dec 2020
Coding problem1
It was face to face another technical round
1. System Design Question
Design YouTube/Netflix (a global video streaming service). (Learn)
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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