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SDE - 1

Red Hat
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3 rounds | 3 Coding problems

Interview preparation journey

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Journey
I was introduced to programming back in school but I wasn't that passionate about it. Started programming again in college when I was sophomore. Went on to secure open-source internships. Then I applied to several companies specially open-source companies and secured an internship and full-time SDE offer at Red Hat.
Application story
I came across a link to express my interest to intern at Red Hat. Once I expressed my interest, I was given a link which contained a time-bound coding test containing 3 questions.
Why selected/rejected for the role?
I was selected. I think I was able to answer a lot of questions related to my resume(grasp on fundamentals) and my resume shined because of my open-source contributions.
Preparation
Duration: 2 months
Topics: OS, Networking, Data structures and algorithms, Fundamentals of Python and JavaScript
Tip
Tip

Tip 1 : Pay special attention to what skills you've mentioned in resume and prepare all fundamental questions regarding the topics 
Tip 2 : Try to dive deeper into the what/why and how

Application process
Where: Other
Eligibility: NA
Resume Tip
Resume tip

Tip 1 : Please mention personal projects(not just team-projects)
Tip 2 : Open-source contributions are a big plus

Interview rounds

01
Round
Medium
Online Coding Interview
Duration60 Minutes
Interview date16 May 2019
Coding problem1

The environment only supported Python, Java and C. Timing was somewhere between 3pm-5pm IST.

1. Added Character

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

You are given a string 'S'. Now one more additional character is introduced in this string, which turns 'S' into new string 'T'. You have to find out this newly added character.

Note:

1. All the characters in string 'S' and 'T' consist of uppercase English alphabets.

2. Length of string 'T' is always 1 more than the length of string 'S'.
Try solving now
02
Round
Easy
Telephonic
Duration30 Minutes
Interview date10 Jun 2019
Coding problem1

Asked specific questions about GraphQL and browsers

1. Technical Questions

Questions like whether GraphQL uses REST, when should you use GraphQL, what makes GraphQL better than REST

03
Round
Medium
Video Call
Duration45 minutes
Interview date30 Jun 2023
Coding problem1

Proctored data structure round with 2-3 interviewers

1. Intersection of Two Linked Lists

Easy
25m average time
73% success
0/40
Asked in companies
OracleThought WorksIBM

You are given two Singly Linked Lists of integers, which may have an intersection point.

Your task is to return the first intersection node. If there is no intersection, return NULL.


Example:-
The Linked Lists, where a1, a2, c1, c2, c3 is the first linked list and b1, b2, b3, c1, c2, c3 is the second linked list, merging at node c1.

alt.txt

Try solving now

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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