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Lifesight Interview Experience for Experienced SDE - 1, Dec 2020

Posted: 21 Feb 2021
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Interview Rounds
Application Process

Interview Process

Video Call

Moderate
Duration:
75 Minutes
Interview-Date:
28 Dec 2020
Problems:
3

This round was with SDE-1 
After my introduction , he asked me 3 Questions
 

Validate BST

You have been given a binary tree of integers with N number of nodes. Your task is to check if that input tree is a BST (Binary Search Tree) or not.

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Longest Sub-string With K Distinct Characters

You are given a string 'S' of length 'N' consisting of lowercase English alphabet letters. You are also given a positive integer 'K'.

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Cycle Detection In Undirected Graph

You have been given an undirected graph with 'N' vertices and 'M' edges. The vertices are labelled from 1 to 'N'.

Your task is to find if the graph contains a cycle or no...

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Next
Round - 2

Preparation

Duration:
3 Months
Topics:
DataStructures, Algorithms, Problem Solving, Big Data, Distributed Systems, Spark
Preparation Tip

Tip 1 : Be solid with the basics of Ds, Algo. Good to have end to end projects which are hosted on cloud.
Tip 2 : Its always good to be presentable and have good communications skills
Tip 3 : Be honest, clear in approach and always walkthrough your thought process to the interviewer

Application Process

Where:
Linkedin
Eligibility:
2+ years of Work Experience in the relevant field
Resume Tip

Tip 1 : Mention your projects and experience at the top. Be clear on what was done, a brief on how it was done, language /tech stack involved. If possible try to host and make it accessible. You never know if you can present it with just one click.
Tip 2 : Choose a balance between, white spaces and text, it should be well indented, no grammatical errors.
Tip 3 : It takes less than 2 min to scan a resume. Don't mention things which are irrelevant.

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