'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Josh Technology Group interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
Josh Technology Group
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6 rounds | 14 Coding problems
Interview preparation journey
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Journey
My journey started from the class 11th where I was first introduced with the field of computer science and it fascinated me from the very start. I admired this option of career and I took admission in NIT, Tiruchirappali which also played great role in nurturing myself. I took a online course from coding ninjas to practice DSA and learned development tech stacks from youtube.
Application story
At the end of 5th semester, all of my friends were having internships in their bag but I was struggling to get one. One of my friend was already working in Josh Technology as SDE-1., I called him and asked for a referral for the post of intern in his company and he provided me the referral.
Why selected/rejected for the role?
I was selected because I was very clear with the approaches that I took and I was able to explain the intuation behind every solution. Moreover, I got good score in MCQs Test in the first round.
Preparation
Duration: 6 months
Topics: DSA, Project, Development, Programming Languages, OOPS
Tip
Tip

Tip 1 : Be strong at your basics.
Tip 2 : Do at least 2 projects and ask to find answers like why are you choosing this tech stack? why did not you choose its alternatives Know your project in and out because they might ask you for a modification in your project?

Application process
Where: Referral
Eligibility: No criteria
Resume Tip
Resume tip

Tip 1 : Have some projects on your resume.
Tip 2 : Do not put false things on your resume.
Tip 3 : Try to keep a single-page resume.

Interview rounds
01
Round
Medium
Online Coding Interview
Duration50 minutes
Interview date2 Oct 2020
Coding problem0

There were around 50 MCQ's on C/C++/DSA.
There were no negative marking though.
There were option to go back also and you can check which question you answered or not.

02
Round
Medium
Online Coding Test
Duration75 minutes
Interview date8 Dec 2020
Coding problem3

It was a online coding round.

1. Multiply Linked Lists
Easy
15m average time
85% success
0/40
Asked in companies
SamsungAmazonCRED

Given two numbers represented by linked lists. Your task is to find the multiplied list and return the head of the multiplied list.

The multiplied list is a ...

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2. Longest Alternating Subsequence
Moderate
15m average time
85% success
0/80
Asked in companies
DirectiInfosysDunzo

You are given an array ‘ARR’ of integers. Your task is to find the length of the longest alternating subsequence.

Note:
A sequence a1, a2, .... an is...
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3. Rotate Matrix K times
Moderate
0/80
Asked in companies
UHGJosh Technology GroupZoho Corporation

Given a matrix, clockwise rotate elements in it K times. Rotating the matrix by 90 degrees clockwise will be counted as 1.

See the sample input.

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03
Round
Medium
Online Coding Test
Duration70 mintues
Interview date15 Dec 2020
Coding problem3

It was an online coding round.

1. Add Linked Lists
Easy
20m average time
80% success
0/40
Asked in companies
Info Edge India (Naukri.com)GoogleAmazon

Given two numbers represented by linked lists. Your task is find the sum list and return the head of the sum list.

The sum list is a linked list representation of addition of two numbers.

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2. Buy and Sell Stock
Hard
0/120
Asked in companies
DirectiAtlassianSamsung R&D Institute

You are Harshad Mehta’s friend. He told you the price of a particular stock for the next ‘n’ days.


You are given an array ‘prices...

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3. Is Height Balanced Binary Tree
Moderate
15m average time
85% success
0/80
Asked in companies
GoogleAmazonSamsung R&D Institute

You are given the root node of a binary tree.


Return 'true' if it is a height balanced binary tree.


Note:
Height...
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04
Round
Medium
Video Call
Duration90 minutes
Interview date20 Oct 2020
Coding problem3

In this round, three questions were asked and all of them were based on DSA.

1. Sum root to leaf
Easy
10m average time
90% success
0/40
Asked in companies
Morgan StanleyUnacademyFlipkart

You are given an arbitrary binary tree consisting of N nodes where each node is associated with a certain integer value from 1 to 9. Consider each root to leaf path as a number.

For exampl...

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2. Remove BST keys outside the given range
Easy
15m average time
85% success
0/40
Asked in companies
UberSamsungPaypal

Given a Binary Search Tree (BST) and a range [min, max], remove all keys which are outside the given range. The modified tree should also be BST.

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3. Maximum sum of non-adjacent elements
Moderate
15m average time
85% success
0/80
Asked in companies
Paytm (One97 Communications Limited)OLX GroupExpedia Group

You are given an array/list of ‘N’ integers. You are supposed to return the maximum sum of the subsequence with the constraint that no two elements are adjacent in the given array/list.

Not...
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05
Round
Medium
Video Call
Duration120 minutes
Interview date30 Oct 2020
Coding problem4

In this round, three questions were asked and all of them were based on DSA and a little bit about projects.

1. Minimum Jumps
Moderate
25m average time
75% success
0/80
Asked in companies
MakeMyTripWalmartTata 1mg

Bob lives with his wife in a city named Berland. Bob is a good husband, so he goes out with his wife every Friday to ‘Arcade’ mall.

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2. N Queens
Hard
55m average time
35% success
0/120
Asked in companies
IBMQualcommAccenture

You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can attack any other queen on the chessboard.

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3. Closest Leaf To Given Node In Binary Tree
Moderate
15m average time
85% success
0/80
Asked in companies
Paytm (One97 Communications Limited)Paytm (One97 Communications Limited)Cabin4j

Ninja is stuck in a maze which is in a form of a binary tree. He needs your help in order to get out.

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4. Technical Questions

Basic questions from Javatpoint on DBMS, OS.
A recent project that you worked on and About my Internship.

06
Round
Easy
HR Round
Duration25 mintues
Interview date30 Oct 2020
Coding problem1

It was on the same day of the last technical round, I was on the same site as the technical interview round, and it is about myself and basic information.

1. Basic HR Questions

What do your friends/co-workers say about you?

What did you do in the last year to improve your knowledge?

Problem approach

Tip 1 : Be yourself
Tip 2 : Speak after think
Tip 3 : Speak in positive ways.

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