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SONELAL GUPTA
Interview Questionnaire
8 Questions
- Q1. Find a number which occurs odd number of times and all number occurs even number of times
- Ans.
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
- Q2. Some discussion about my minor project
- Q3. Spiral order of binary tree and mattrix, print it
- Ans.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
- Q4. Some question about os,dbms
- Q5. Find pair which have a given sum in a given array
- Ans.
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
- Q6. Find total number of k element which have a given avg in a given array in minimum time complexity
- Ans.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
- Q7. Print all elements which in not boundary element in a given binary tree
- Ans.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
- Q8. Then some question about process synchronisation,error vs exception,and then 2-3 hr question
Interview Preparation Tips
Experience: practice codes on paper
Tips:
Round: Technical Interview
Experience: very good
Tips: please try to explain each and every question in detail
Round: Technical Interview
Experience: my hr round is not taken by them,and some of face 3rd round ,which is HR
Tips: please prepare all types of problem from geeksforgeeks
Skill Tips: please try to understand every problem from geeksforgeeks
Skills: ds
College Name: NIT Bhopal
Motivation: best work culture,and a lots of learning opportunity in this company,and in every 6 month there is a appraisal
Skills evaluated in this interview
I applied via Referral and was interviewed before Jun 2021. There were 2 interview rounds.
Coding test
(1 Question)
- Q1. Technical round was asked technical questions
Interview Preparation Tips
I applied via Walk-in and was interviewed before Apr 2021. There were 2 interview rounds.
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Sep 2020. There was 1 interview round.
Interview Preparation Tips
I was interviewed in Sep 2017.
Interview Questionnaire
2 Questions
- Q1. Find the sum of two numbers without using any mathematical operarors.
- Ans.
Use bitwise operations to find the sum of two numbers without using mathematical operators.
Use bitwise XOR to find the sum of two numbers without carrying.
Use bitwise AND and left shift to find the carry.
Repeat the process until there is no carry left.
- Q2. Delete a node from linked list when we are given a reference to the node. But the head pointer is not given.
- Ans.
To delete a node from a linked list when only given a reference to the node, we can copy the data of the next node to the given node and delete the next node.
Copy the data of the next node to the given node
Update the next pointer of the given node to skip the next node
Delete the next node
Interview Preparation Tips
Tips: Strong understanding and thorough knowledge of C programming.
College Name: IIT Madras
Skills evaluated in this interview
I applied via Campus Placement
Interview Questionnaire
16 Questions
- Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be us...
- Q2. Given an array A[n], write a C program to find P and Q (P>Q) such that A[P] - A[Q] is maximum
- Q3. A pyramid is given many blank spaces. Condition is that number in a cell equals sum of numbers in bottom two cells. Fill the blanks
- Ans.
The question asks to fill the blanks in a pyramid where each number is the sum of the numbers in the bottom two cells.
Start from the bottom row and work your way up, calculating the sum of the numbers in the bottom two cells for each blank space.
Use a loop to iterate through each row and column of the pyramid.
Store the calculated sum in the corresponding blank space.
Repeat the process until all the blanks are filled.
- Q4. What are the basic functions of OS?
- Q5. What is scheduling? List different types of scheduling
- Q6. What is a deadlock? How to know if a deadlock is present?
- Q7. What is Moore's Law?
- Ans.
Moore's Law is the observation that the number of transistors in a dense integrated circuit doubles about every two years.
Named after Intel co-founder Gordon Moore
First stated in 1965
Has been a driving force behind technological advancements
Predicts exponential growth in computing power
Has been challenged in recent years due to physical limitations
- Q8. Differentiate between a process and a thread
- Ans.
A process is an instance of a program while a thread is a subset of a process.
A process has its own memory space while threads share memory space
Processes are heavyweight while threads are lightweight
Processes communicate through inter-process communication while threads communicate through shared memory
Examples of processes include web browsers, text editors, etc. while examples of threads include GUI updates, backgro
- Q9. What are the advantages of having multi-core processor?
- Ans.
Multi-core processors provide faster and more efficient computing.
Improved performance and speed
Ability to handle multiple tasks simultaneously
Reduced power consumption
Better multitasking capabilities
Enhanced user experience
Examples: Intel Core i7, AMD Ryzen 9
- Q10. Tell me about yourself and your family briefly
- Ans.
I am a software engineer with a loving family.
I have been working as a software engineer for 5 years.
My wife is a teacher and we have two children.
We enjoy spending time together outdoors and traveling.
My parents live in a different state but we keep in touch regularly.
Family is very important to me and I prioritize spending time with them.
- Q11. Tell me about your course projects
- Ans.
Developed a web-based project management tool and a mobile app for tracking expenses
Created a responsive UI using React and Bootstrap
Implemented user authentication and authorization using Firebase
Integrated Google Maps API for location tracking in the mobile app
Used Node.js and MongoDB for backend development
Collaborated with a team of four to complete the projects
- Q12. Tell me about your professional experience
- Ans.
I have 5 years of experience in software engineering with expertise in Java and Python.
Developed and maintained web applications using Java and Spring framework
Designed and implemented RESTful APIs using Python and Flask
Worked on database management and optimization using MySQL and MongoDB
Collaborated with cross-functional teams to deliver high-quality software products
Participated in code reviews and provided construc
- Q13. What are your academic interests?
- Ans.
My academic interests include computer science, artificial intelligence, and machine learning.
Computer science
Artificial intelligence
Machine learning
- Q14. Explain one CS topic(of your choice) in layman terms
- Ans.
Explain Big O notation
Big O notation is used to describe the time complexity of an algorithm
It helps us understand how the algorithm's performance changes with input size
O(1) means constant time, O(n) means linear time, O(n^2) means quadratic time
We want algorithms with lower Big O values for better performance
- Q15. What are your location preferences?
- Ans.
I am open to relocation based on the job opportunity and growth prospects.
Open to relocation for the right opportunity
Willing to move for career growth
Flexible with location based on job requirements
- Q16. Would you like to have a pizza slice? ;)
- Ans.
Yes, I would love to have a pizza slice!
I am a big fan of pizza and would never say no to a slice!
Pizza is the perfect food for any occasion, whether it's a quick lunch or a late-night snack.
I particularly enjoy pepperoni and mushroom pizza, but I'm open to trying new toppings as well.
Interview Preparation Tips
Experience: Questions were of average difficulty but lengthy. The test was conducted between 7:30 PM and 9 PM. I had a long day so it was a little tiresome.
Tips: Time is of importance. I suggest you to quickly browse through all the questions and pick the easy ones beforehand instead of being stuck on a single difficult question.
Duration: 90 minutes
Total Questions: 60
Round: Technical Interview
Experience: I found the questions easy so I was able to answer them all.
Tips: Don't just think in your mind. Think out loud so that the interviewer can correct you.
Round: HR Interview
Experience: Interviewer was friendly. It was like talking with a friend.
Tips: Keep it short and brief. It's fine even if your English is not good. (Mine wasn't )
General Tips: Be cool and calm. If you don't know something, admit it. You can come back to it later.
Skill Tips: No need to go very deep. Just know the basics properly.
Skills: Puzzle Solving Capability, Computer Organisation, Operating System Basics, Object Oriented Programming (OOP) Basics, C Programming, Aptitude
Duration: 2
College Name: IIT Madras
Motivation: Qualcomm is an industry leader in mobile hardware. The work profile suited me well.
Funny Moments: The nice HR lady offered me a pizza slice.
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed before Nov 2019. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Why you want to join this industry i.e BPO
- Q2. Because it's a fast growing industry, and it's good to start your career with such industry in which you can use your skills for personal growth as well as for company productivity. Moreover I have seen ma...
- Q3. Why should we hire you
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
Teleperformance
Anonymous
posted on 1 Aug 2020
I applied via Recruitment Consultant and was interviewed in Feb 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions related to efficient and optimized programming from front end technologies as well as back end
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Feb 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Tell me about Yourself?
- Q2. What is Your salary expectation?
- Q3. Why should I hire You?
- Q4. How do You know about this company ?
- Q5. Do You comfortable with night shift?
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Questions based on previous written test are asked. Most common being to optimize the solution further
Interview Preparation Tips
Experience: The quantitative section was tougher than usual. There were tricky questions from Trigonometry and Mensuration.
3 Coding Questions were asked. Any programming language including pseudo-code was allowed.
String Manipulation seemed to be a favorite topic
Tips: Go through formulas and shortcuts for the Quantitative Section
Duration: 120 minutes
Total Questions: 40
Round: Test
Experience: 3 Questions. 30 minutes for each. This test was at the company premises.
Tips: Try to have more than one approach figured out.
Duration: 90 minutes
Total Questions: 3
Round: Technical Interview
Experience: Nice and Interactive interview. Interview to test flexibility in approach.
General Tips: Try to communicate well with the Interviewer. Don't hesitate in asking for feedback and advice after the interview is over with.
Skills: Coding, Problem Solving
College Name: NIT BHOPAL
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