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: 4 months
Topics: C++, Algorithms, Operating Systems, Object Oriented Programming, Database Management System and Computer Networks, Data Structures(Focus more on trees and graphs)
Tip
Tip

Tip 1 : Have more understanding and confidence over Data Structures and get good understanding of its concepts. At least practice 5-6 coding questions everyday on any coding platform. I had completed around 150+ questions on Leetcode and 250+ questions on Geek For Geeks. Practice regularly rather than completing all coding questions in one go.
Tip 2 : While attempting the questions analyze its time and space complexity. Always work on the strategies to further optimize your solution. Sometimes the interviewer asks only one question and keep on increasing its difficulty by asking for its optimization and will what kind of strategies you implement.
Tip 3 : Along with coding questions keep on studying concepts in details of Operating Systems, databases and object oriented programming. Refer to Geeks For Geeks articles for it. Also refer, Coding Ninja's Data Structures and algorithms course in C++ helped me a lot in improving my OOPS concepts specifically.

Application process
Where: Referral
Eligibility: No Backlog and above 6 CGPA
Resume Tip
Resume tip

Tip 1 : Mention only those skills, projects or achievements which you have completed yourselves and thorough knowledge. Because there will be question around these and in case if you are not able to answer these basic questions it leaves a bad impact on interviewer.
Tip 2 : No need to add too many projects. Only one or two good projects with proper knowledge is fine. Also do the same for skills, do not add so many skills only add those one in which you can discuss and answer.
Tip 3 : Mention achievements which showcase your technical skills, communication skills, leadership quality or teamwork

Interview rounds

01
Round
Medium
Online Coding Interview
Duration150 minutes
Interview date20 Nov 2020
Coding problem2

1. Check If Linked List Is Palindrome

Easy
15m average time
85% success
0/40
Asked in companies
HSBCAmazonThought Works

You are given a Singly Linked List of integers. You have to return true if the linked list is palindrome, else return false.


A Linked List is a palindrome if it reads the same from left to right and from right to left.


Example:
The lists (1 -> 2 -> 1), (3 -> 4 -> 4-> 3), and (1) are palindromes, while the lists (1 -> 2 -> 3) and (3 -> 4) are not.
Try solving now

2. Pair Sum

Easy
15m average time
90% success
0/40
Asked in companies
Media.netExpedia GroupQuikr

You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such that each sum of elements of each pair equals 'S'.

Note:

Each pair should be sorted i.e the first value should be less than or equals to the second value. 

Return the list of pairs sorted in non-decreasing order of their first value. In case if two pairs have the same first value, the pair with a smaller second value should come first.
Try solving now
02
Round
Medium
Video Call
Duration60 minutes
Interview date12 Dec 2020
Coding problem2

1. Square root (decimal)

Easy
10m average time
90% success
0/40
Asked in companies
UberVisaFacebook

You have been given two integers 'N' and 'D', Your task is to find the square root of the number 'N' with precision up to 'D' decimal places i.e. the difference between your answer and the correct answer should be less than 10 ^ (-D).

For example if N = 10 and D = 3, then your answer will be 3.162.

Try solving now

2. SQL Question

Database having some records was given. The was containing the details about cars and the specifications. Top 5 cars with maximum speed were to be identified by reading the records from there and using a formula.

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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