Amazon interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Amazon
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2 rounds | 3 Coding problems

Interview preparation journey

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

Tip 1 : Understand Data Structures in details to have more confidence and get in-depth of its concepts. Practice minimum 5-6 coding questions on a daily basis on any coding platform. I had practiced around 140+ questions on Leetcode and 200+ questions on Geek For Geeks. Regularly practice the question rather than completing all the coding questions in one go. Ensure to include the concepts learnt in the questions

Tip 2 : Always analyze its time and space complexity while attempting the questions. Work towards optimize your solution, use the relevant strategies. In some cased the interviewer asks only one question and step by step keep on increasing difficulty by asking for its more optimization and will keep on discussing what kind of strategies are being implemented by you.

Tip 3 : Attempt the coding questions, but also keep on learning concepts in details of Operating Systems, databases and object oriented programming. Refer to Geeks For Geeks articles for it. Also go through, Coding Ninja's Data Structures and algorithms course in C++ helped me a lot in improving my OOPS concepts specifically.

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

Tip 1 : Ensure to mention only those projects, skills and achievements which you have completed yourselves and have thorough knowledge. Because the questions will be around the skills you ave mentioned and in case if you are not able to answer these basic questions it leaves negative impression on interviewer.

Tip 2 : Do not add too many projects in your resume. Only one or two good projects with proper knowledge is also fine. Do the same for skills and do not add so many skills, only add those one in which you ave good understanding and can discuss and answer.

Tip 3 : Mention those achievements which showcase your all skills like technical skills, communication skills, leadership quality or teamwork.

Interview rounds

01
Round
Medium
Online Coding Interview
Duration75 minutes
Interview date27 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
Moderate
20m average time
80% success
0/80
Asked in companies
HCL TechnologiesAmazonOracle

You are given an ‘M*N’ Matrix, You need to print all possible paths from its top left corner to the bottom right corner if given that you can either move right i.e from (i,j) to (i,j+1) or down i.e from (i, j) to (i+1, j).

For Example :
1 2 3
4 5 6

For the above 2*3 matrix , possible paths are (1 2 3 6) , (1 2 5 6) , (1 4 5 6).
Note :
You can return the paths in any order.
Try solving now
02
Round
Medium
Video Call
Duration70 Minutes
Interview date8 Dec 2020
Coding problem1

The discussions were around binary search and started with an easy question. The closest integer to the square root of that number's to be find. Here you had to only change your code a bit her and there as per the question and requirement, but the logic is a bit tricky to find.The interviewer was quite impressed to see the approach and solution. I also had explained to them why was this the most optimal approach and time & space complexity

1. SQL Question

The given Database was having some records. The database was having the details about speed of bowlers and other details. Top 5 bowlers 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?

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