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Software Quality Engineer
Adobe
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6 rounds | 19 Coding problems
Interview preparation journey
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Preparation
Duration: 3 months
Topics: Data Structures, OOPS, System Testing, Algorithms, Dynamic Programming, Puzzles and Aptitude, CORE Subjects(DBMS, OS, CN)
Tip
Tip

Tip 1 : Have strong knowledge of the basic concepts of DS and Programming
Tip 2 : Be Confident and have faith in yourself
Tip 3 : Have a Strong Balanced Resume

Application process
Where: Campus
Eligibility: Above 70%
Resume Tip
Resume tip

Tip 1 : Good Projects
Tip 2 : Maintain a good balance in all the sections of the resume

Interview rounds
01
Round
Easy
Online Coding Interview
Duration120 minutes
Interview date16 Jan 2020
Coding problem2

Type of Questions No. of Questions
Quantitative 20
Logical and Reasoning 20
Verbal 20
Section II: Coding Section
Number of Questions: 2
Time Duration: 60 min
Level of Difficulty: Easy-Medium
Type of Questions: String Manipulation and Tree based Question

1. Convert a Binary Tree into its Mirror Tree
Easy
15m average time
85% success
0/40
Asked in companies
CurefitDunzoSamsung

Given a binary tree, convert this binary tree into its mirror tree.

A binary tree is a tree in which each parent node has at most two children.

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Try solving now
2. Palindromic Partitioning
Hard
40m average time
60% success
0/120
Asked in companies
AdobeGooglePaypal

You are given a string 'str' of length 'n'.


Find the minimum number of partitions in the string so that no partition is empty...

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02
Round
Medium
Coding Test - Pen and paper
Duration30 minutes
Interview date12 Feb 2020
Coding problem2

It was a non eliminatory round comprising of 3 sections with a total time of 30 minutes.
Section I: Technical MCQ’s
Number of Questions: 20
Level of Difficulty: Medium -High
Programming Output questions and questions from CN, DBMS, OS and DS were asked.
Section II: Aptitude and Logical Section
Number of Questions: 10
Level of Difficulty: Easy
Section III: Coding Section
Number of Questions: 2
Level of Difficulty: Easy-Medium

1. Leaders in an array
Easy
15m average time
90% success
0/40
Asked in companies
GenpactAdobeMicrosoft

Given a sequence of numbers. Find all leaders in sequence. An element is a leader if it is strictly greater than all the elements on its right side.

Note:
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2. Spiral Matrix
Easy
15m average time
80% success
0/40
Asked in companies
SalesforceAppleAmazon

You are given a 2-D array 'MATRIX' of dimensions N x M, of integers. You need to return the spiral path of the matrix.

Example Of Spiral Path:

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03
Round
Medium
Face to Face
Duration80 minutes
Interview date12 Feb 2020
Coding problem4

The interview went for about 75-80 minutes. I was not able to answer almost all the answers
correctly but gave almost 75% correct answers. The interviewer mainly focused on the problem
solving ability and the quality of conceptual knowledge.
1: Basic Introductory Questions
2: 2-3 Puzzle Questions 
3: Some basic Questions on DSA- about stacks, queue, arrays, memory storage accessing,
Advantages and Dis of Linked list over arrays,
4: Operating System: In all the rounds , Operating System questions were asked in abundance.
Though the questions were basic, they focused more on our concepts like how easily we were
able to explain it to them.
Questions on Kernels, Types of Kernel, Why OS, memory allocation in OS were asked.
5: Test Cases Question: We have to think and answer the possible questions while testing the
cases.
i: Test cases for a login page window.
6: Heavy discussions on the projects I have done. Why we preferred to use a particular
technology. What was my role in the project and so on.
7: I was asked to code some questions.

1. Puzzle

You have a birthday cake and have to cut it into 8 equal pieces by making 3 cuts only. How
do you do it?

2. Puzzle

You are standing before two doors. One of the path leads to heaven and the other one leads
to hell. There are two guardians, one by each door. You know one of them always tells the truth
and the other always lies, but you don’t know who the honest one is and who the liar is.
You can only ask one question to one of them in order to find the way to heaven. What is the
question

3. Second largest element in the array
Easy
15m average time
80% success
0/40
Asked in companies
SamsungIBMAdobe

You have been given an array/list 'ARR' of integers. Your task is to find the second largest element present in the 'ARR'.

Note:
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4. Cycle in a Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
Wells FargoGoldman SachsInformatica

You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.


A cycle occurs when a node's next points back to a previous node in the list.

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04
Round
Hard
Face to Face
Duration90 minutes
Interview date12 Feb 2020
Coding problem8

This round of interview was took by a senior person of the company. It was a bit lengthy as we
had more of a discussion rather than just a QnA round. The interview went for more than 90
minutes and was tougher than the first round.
1: There was a long discussion on what I written in my resume. The projects I had done,
Extracurricular and co-curricular activities I had written on the resume, the skills I have
mentioned. All of it. So be careful of whatever you mention in the resume.
2: Next he asked me a bunch of coding questions which were some very popular ones
I was asked to code in my preferred language. So there wasn’t any language barrier and for all the
questions the interviewer asked for the most optimized approach.
As I was able to answer all the questions, I wasn’t asked any more questions.
3: After the coding questions, I was asked a lot of questions of Operation System and OOPS.
i: Fragmentation- Internal and External
ii: Concepts of Kernel
iii: File Management
iv: Virtual functions and Friend Functions
v: Function Overloading And Overriding
vi: What is paging and Demand Paging?
4: Interview puzzles:
5: Testing Based Questions-
i: Five new inventions in a glass frame and the test cases to test the working a frame.
ii: Design test cases for a shopping application.
The interviewer was quite satisfied with the test cases I answered. As the main trick to solve
these kind of interview questions is to design the test cases with giving every small function an
eye and then forming all possible scenarios for the same

1. OS and Oops Questions

i: Fragmentation- Internal and External
ii: Concepts of Kernel
iii: File Management
iv: Virtual functions and Friend Functions
v: Function Overloading And Overriding
vi: What is paging and Demand Paging?

2. Anagram Pairs
Moderate
30m average time
60% success
0/80
Asked in companies
IBMTata Consultancy Services (TCS)Optum

You are given two strings 'str1' and 'str1'.


You have to tell whether these strings form an anagram pair or not.


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Problem approach

Create count arrays of size 256 for both strings. Initialize all values in count arrays as 0.
Iterate through every character of both strings and increment the count of character in the corresponding count arrays.
Compare count arrays. If both count arrays are same, then return true.

Try solving now
3. Find K’th Character of Decrypted String
Moderate
33m average time
0/80
Asked in companies
MicrosoftSamsungAmazon

You have been given an Encrypted String where repetitions of substrings are represented as substring followed by the count of substrings.

Exam...
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4. Queue using stack
Moderate
30m average time
60% success
0/80
Asked in companies
SamsungAdobeIndiaMart

Implement a queue data structure which follows FIFO(First In First Out) property, using only the instances of the stack data structure.


Note:
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5. Stack using Queue
Moderate
25m average time
65% success
0/80
Asked in companies
AmazonAccentureQualcomm

Implement a Stack Data Structure specifically to store integer data using two Queues.


There should be two data members, both being Queues to store the data internally. ...

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6. Puzzle

There are 3 jars, namely, A, B, C. All of them are mislabeled. Following are the labels of each of the jars:

  • A: Candies
  • B: Sweets
  • C: Candies and Sweets (mixed in a random proportion)

You can put your hand in a jar and pick only one eatable at a time. Tell the minimum number of eatable(s) that has/have to be picked in order to label the jar...

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7. Puzzle

There are two empty bowls in a room. You have 50 white balls and 50 black balls. After you place the balls in the bowls, a random ball will be picked from a random bowl. Distribute the balls (all of them) into the bowls to maximize the chance of picking a white ball.

8. Puzzle

100 prisoners in jail are standing in a queue facing in one direction. Each prisoner is wearing a hat of color either black or red. A prisoner can see hats of all prisoners in front of him in the queue, but cannot see his hat and hats of prisoners standing behind him.
The jailer is going to ask color of each prisoner’s hat starting from the last prisoner in queue. If a prisoner tells the cor...

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05
Round
Easy
Face to Face
Duration70 minutes
Interview date12 Feb 2020
Coding problem2

This was also similar to the last two Technical Interviews and was also easier from them. The
interview went for about 70 minutes and it was tilted more towards managerial side and less
technical questions were asked.
1. Program to Count set nits in an integer. (I answered 4 possible solutions to him and he was
satisfied) 
2: Working of Bubble Sort and Insertion Sort ( I was asked to dry run the solution mainly to
check the internal working of swapping and comparison)
3: Some Mathematical Puzzles
4: Design test cases for OLA Application
5: Design test cases for GMAIL Application
6: Situation based questions

1. OS Question

What is a Semaphore and operations on a semaphore?
What is context switching?

2. Puzzle

There are 4 persons (A, B, C and D) who want to cross a bridge in night.

A takes 1 minute to cross the bridge.
B takes 2 minutes to cross the bridge.
C takes 5 minutes to cross the bridge.
D takes 8 minutes to cross the bridge.
There is only one torch with them and the bridge cannot be crossed without the torch. There cannot be more than two persons on the bridge at any time,...

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06
Round
Easy
HR Round
Duration15 minutes
Interview date12 Feb 2020
Coding problem1

It was the last round and an eliminatory round as well. It was a 15 minutes long discussion round
about college life, interests, and hobbies. The HR also asked our preferred joining location
between Noida and Bangalore which gave us many hopes of our selection.
Three candidates from our college went till the HR Round.

1. HR Discussion
Problem approach

Tip 1: Keep a sharp mind on the talks in the interview room and then answer 
Tip 2: Agree if the location given to you is not your preference. Later we get chance for internal switching.

Tip 3: Speak what is not mentioned in your resume

 

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