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SDE - 1

Flipkart
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3 rounds | 4 Coding problems

Interview preparation journey

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Journey
I started preparing for my placement from the starting of the B.Tech. Getting into one of MNCs in India was my dream, and I researched about it a lot like What are the most essential topics fro FAANG Interview?, How should you approach your graduation if you want to make it count?, etc. I practised DSA continuously for three years, and I thought I had a great base for them but at last I was not selected into any of companies in FAANG. But I still tried to get into them some day, and then, after 2 years of completing my graduation I got this opportunity.
Application story
I saw a post on linkedin about Flipkart intrested in hiring candidates for SDE-1 post and honestly speaking my eyes were shining at that moment. I mailed the HR that I wanted to be the part of the the selection process and attached my resume. After two days, I got mailed back that your resume is selected and you will be having your interview rounds from now.
Why selected/rejected for the role?
I think I was on point with my coding solutions to the questions asked in the interviews. I provided the optimal solutions and I was giving correct explanations to some theory questions asked.
Preparation
Duration: 3 months
Topics: Dynamic Programming, OOPS, Computer Network, Operating System, Game Theory
Tip
Tip

Tip 1: Prepare all Topics from Coding Ninjas of Course Competitive Programming. Also, I practiced at least one question every day from sites like CodeStudio and also took part in CodeStudio Contest.
Tip 2: Do Competitive Programming regularly.

Application process
Where: Other
Eligibility: No
Resume Tip
Resume tip

Tip 1 : Keep your resume up to date and mention 2-3 good level projects which will give a good impression to the interviewer .
Tip 2 : Don't put false things on the resume.

Interview rounds

01
Round
Medium
Video Call
Duration60 minutes
Interview date17 Mar 2021
Coding problem1

This round was conducted on Google Meet with 2 interviewers present. They were helpful and made interview experience seemless.
The Time was around 10 A.M - 11 A.M.

1. System Design

I had to Implement an e-commerce platform application with following features

1. We would be able to onboard (add) users to the system

2. The application allows sellers to list products on the platform.

3. Users can either sell a product (Seller) or buy any listed product(Buyer).

4. Users(buyer) can select a product from multiple offered products using a selection st...

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02
Round
Medium
Video Call
Duration60 minutes
Interview date19 Mar 2021
Coding problem2

This round was conducted on Google Meet with 2 interviewers present. 
The time was around 2 PM to 3 PM.
The interviewers were friendly and helped if I got stuck.

1. Trapping Rain Water

Moderate
15m average time
80% success
0/80
Asked in companies
GoogleGrabSAP Labs

You have been given a long type array/list 'arr’ of size 'n’.


It represents an elevation map wherein 'arr[i]’ denotes the elevation ...

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Try solving now

2. LRU Cache Implementation

Moderate
25m average time
65% success
0/80
Asked in companies
FlipkartCIS - Cyber InfrastructureIntuit

Design and implement a data structure for Least Recently Used (LRU) cache to support the following operations:

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Try solving now
03
Round
Easy
HR Round
Duration30 minutes
Interview date20 Mar 2021
Coding problem1

The round was held on Google meet face to face with only HR present.
HR explained me about the team, etc, made me feel comfortable.
HR was friendly and asked almost standard questions.

1. Basic HR Questions

Who is your role model?

What is your expectation from this job?

Problem approach

Tip 1 : Maintain a positive attitude in all Interviews be it tech or HR.
Tip 2 : Develop team spirit and have some team work experience ( like ICPC times)
Tip 3 : Don't take HR round for granted, Prepare for this round beforehand.

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Is method overloading possible by changing the return type?

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