Dell Technologies interview experience Real time questions & tips from candidates to crack your interview
SRE
Dell Technologies
2 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1 month
Topics: Data Structures, OOPS, Computer Networks, Project development (ML Based), Algorithms
Tip 1 : Do as much coding as you can
Tip 2 : Good projects in whichever field you are interested in
Tip 3 : Open source contribution
Application process
Where: Campus
Eligibility: Above 7 CGPA
Tip 1 : Skillset
Tip 2 : Brief mention of your projects with hosted links
Interview rounds
01
Round
Medium
Online Coding Test
Duration80 minutes
Interview date29 Oct 2019
Coding problem2
It was actually a hackathon, "Dell Hack to Hire". We were given a problem statement around 2 weeks ago and were given preparation time. The hackathon was 2 days long after which we had to present our solution.
We had people from DELL interacting with us.
They asked questions about our solutions and marked us.
A few students were selected after the presentation and moved to the HR Round next.
1. Machine Learning
Design a recommender System
2. Shortest Bridge
Moderate
35m average time
65% success
0/80
Asked in companies
Every story has an Endgame. This is another such story.
Tony Stark and Thanos live in two different islands. Tony wants to reach Thanos's island in minimum time to save the world.
You are given a 2-D binary array of 'N' rows and 'M' columns. If the element of the array is 1 it means it has land in there else if the element is 0 means it has water in there. There are exactly two islands in this array. In one island Tony lives and in another island, Thanos lives. An island is a 4 – directionally connected component of 1’s.
For example
In the above figure, there are two islands coloured in brown and orange respectively.
Tony wants to build a bridge between these two islands. With the help of Friday Tony can build the bridge by changing 1 or more 0’s to 1’s. Size of the bridge is the number of 0’s changed to 1’s. Tony wants to minimize the size of the bridge as it minimizes time to reach Thanos.
For example
Here Bridge is marked in red colour and 1 is the minimum size of bridge possible.
Tony is busy assembling all the avengers, so he called you to solve this problem.
02
Round
Easy
HR Round
Duration20 minutes
Interview date31 Oct 2019
Coding problem1
It was a basic 1*1 conversation with the HR.
It took place in the evening.
1. Basic HR Questions
- Introduce yourself
- What makes you think you stand a better chance than others?
- What do you know about work ethics here?
Problem approach
Tip 1 : Be straight forward.
Tip 2 : You can ask about your role in the job, talk about company culture
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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