Amazon interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
Amazon
2 rounds | 3 Coding
problems
Rejected
Interview preparation journey
Preparation
Duration: 3 Months
Topics: DSA, Computer Network, Operating System, Database management system
Tip 1 : Good grasp in JAVA
Tip 2 : Good understanding of Core subjects
Tip 3 : Good CGPA
Application process
Where: Referral
Eligibility: 7 CGPA
Tip 1 : Clear and concise
Tip 2 : Atleast one technical internship
Interview rounds
01
Round
Hard
Online Coding Test
Duration90 Minutes
Interview date5 Aug 2022
Coding problem2
There were two coding questions that should be solved in 90 minutes and try that all tests cases should be passed to get a score.
1. Left And Right Rotation Of A String
Easy
15m average time
85% success
0/40
Asked in companies
You are given a string 'str' and an integer 'D'. Your task is to rotate the given string left (anticlockwise) and right (clockwise) by 'D' units from the starting index. You are required to return the rotated string.
Example :
2. Maximum In Sliding Windows Of Size K
Moderate
20m average time
80% success
0/80
Asked in companies
Given an array/list of integers of length ‘N’, there is a sliding window of size ‘K’ which moves from the beginning of the array, to the very end. You can only see the ‘K’ numbers in a particular window at a time. For each of the 'N'-'K'+1 different windows thus formed, you are supposed to return the maximum element in each of them, from the given array/list.
Problem approach
1) Maintain a window and keep adding processing power until power consumption <= power limit.
2)Once it is > power limit. Remove elements from the start of this window until power consumption becomes <= power limit.
3) Keep on repeating this till the end of the array.
02
Round
Hard
Face to Face
Duration60 Minutes
Interview date19 Aug 2022
Coding problem1
It was Friday evening. I got accommodation from amazon in a 4* hotel and two-way flight ticket and on amazon I had to pass three consecutive interview rounds which I was informed initially that rounds can be increased .
1. System Design Question
Design a Token System, where the user can book a timeslot and get a token corresponding to that. This system can be used in Gyms. Grocery Shops, Hospitals
Problem approach
Tip 1 : Try to Learn System design from Coding Ninjas they have one of the best sources available for system Design.
Tip 2 : For Product based top MNCs always you should well be versed in System Design.
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?
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