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I appeared for an interview in Oct 2020.
Round duration - 60 minutes
Round difficulty - Medium
There were 25 mcqs and 1 coding question. OS, aptitude, C and C++ concepts were the main focus.
The feature of the operating system being used here is multitasking.
Allows multiple applications to run simultaneously
Switches between tasks quickly
Ensures efficient utilization of system resources
You are given a positive integer 'N'. Your objective is to determine the number of ways to express 'N' as the sum of two or more consecutive natural numbers.
...Count the number of ways to express a positive integer as the sum of two or more consecutive natural numbers.
Iterate through possible consecutive sequences starting from 1 up to N/2
Check if the sum of the sequence equals N
Count the valid sequences and return the total count
Round duration - 60 minutes
Round difficulty - Medium
It was of 60 minutes,
Questions asked were
1. Swap without temp variable
2. A problem question in which I was asked to find the ball with odd weight out of the remaining in the least number of attempts and write an algorithm for it.
3. Code to insert in the middle of circular linked list, code to find middle element of a singly linked list with knowing the number of elements in it.
4. Socket programming
5. Operating system concepts
6. Types of joins in DBMS
7. A DBMS query
8. Print in C without a semi colon
9. If I have any questions in the end.
Your task is to interchange the values of two numbers given as variables 'X' and 'Y' without using a temporary variable or any additional variable.
Y...
Swap two numbers without using a temporary variable.
Use bitwise XOR operation to swap the values of X and Y without using a temporary variable.
The XOR operation works by flipping the bits of the numbers.
After swapping, X = X XOR Y and Y = X XOR Y.
Finally, X = X XOR Y to get the original value of Y in X.
Tip 1 : Brush up your operating systems concept
Tip 2 : study Computer Architecture
Tip 3 : Emphasise more on theoretical concepts rather than coding concepts, Nvidia is a hardware company and deals with kernel level drivers mostly.
Tip 1 : Put C and C++ as yours skills if you have it
Tip 2 : Do not lie about your skills , be specific
I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed in Jun 2020. There were 6 interview rounds.
I applied via Campus Placement and was interviewed before Aug 2021. There were 3 interview rounds.
2 coding questions and a set of mcq questions based on oops, dbms, networking and os
Reverse a linked list
Iteratively swap the next and previous pointers of each node
Use three pointers to keep track of the current, previous, and next nodes
Update the head pointer to the last node after reversing
BST is a data structure used for efficient searching, insertion and deletion of elements in a sorted manner.
BST stands for Binary Search Tree.
It has a root node and every node has at most two children.
The left subtree of a node contains only nodes with keys lesser than the node's key.
The right subtree of a node contains only nodes with keys greater than the node's key.
BST allows for efficient searching, insertion and d...
I appeared for an interview before Mar 2021.
Round duration - 60 Minutes
Round difficulty - Easy
This was the initial round consisting of some aptitude questions,technical multiple choice questions and one coding question.
The Multiple Choice Questions were pretty straight forward.
Given a 'Snake and Ladder' board with N rows and N columns, where positions are numbered from 1 to (N*N) starting from the bottom left, alternating direction each row, f...
Find the minimum number of dice throws required to reach the last cell on a 'Snake and Ladder' board.
Start from the bottom left cell and move according to dice outcomes (1-6).
Utilize snakes and ladders to reach the last cell faster.
Keep track of the minimum number of throws required to reach the last cell.
If unreachable, return -1 as output.
Round duration - 45 Minutes
Round difficulty - Medium
I had two interviewers in this round.Some Problem solving questions were asked in this round.
Your task is to determine if two given strings are anagrams of each other. Two strings are considered anagrams if you can rearrange the letters of one string to form the...
Check if two strings are anagrams of each other by comparing their sorted characters.
Sort the characters of both strings and compare them.
Use a dictionary to count the frequency of characters in each string and compare the dictionaries.
Ensure both strings have the same length before proceeding with comparison.
Example: For input 'spar' and 'rasp', after sorting both strings, they become 'aprs' which are equal, so return
Object Oriented Programming concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class). Example: Class Car with properties like color and methods like drive().
Inheritance: Creating new classes based on existing classes, inheriting their attributes and methods. Example: Class SUV inheriting from class Car.
Polymor...
Round duration - 45 Minutes
Round difficulty - Easy
Number Of Interviewers : 2
I was asked two problem solving questions and I was asked to explain my projects.
Tip 1 : Focus on mastering the concept and then you'll be able to solve problems
Tip 2 : Do not get demotivated,it's common to get rejected by MNCs.Once you are well prepared,you will end up with the right offer
Tip 1 : Be thorough with every single word mentioned in your resume.
Tip 2 : Don't mention projects unless you have a complete understanding of the technologies used in the project.
I appeared for an interview before Nov 2020.
Round duration - 60 minutes
Round difficulty - Medium
The test was in the evening which was not too late. It was conducted on Hackerrank which is a very common platform and was hence familiar. There were 26 questions:
Q1: Coding Question
3 languages were allowed: c, java8, python3
Q2 - Q26: Multiple Choice Questions
You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.
Your task is to determine t...
Find the node where two linked lists merge, return -1 if no merging occurs.
Traverse both lists to find the lengths and the last nodes
Align the starting points of both lists by moving the longer list's pointer ahead by the difference in lengths
Traverse both lists simultaneously until a common node is found, which is the merging point
Tip 1 : Practice competitive programming as much as possible. It's never too late. Start now. But it is important to practice before appearing for the paper.
Tip 2 : Try to start making projects early on as it plays a major role during the interviews.
Tip 3 : Be involved in extra curricular activities and events like Hackathons even if you don't win all of them. It gives a lot of exposure and experience.
Tip 4 : Don't lose touch with your core subjects.
Tip 5 : An internship/training from a good organization always helps (though don't lose hope if you don't have it).
Tip 6 : Focus on your communication skills along with your core subjects as it helps in giving a good impression during the interviews.
Tip 1 : Maintain a good CGPA (above 7.5)
Tip 2 : Mention your projects as they are noticed in the interview
Tip 3 : Having an internship experience especially from a good organization helps
Tip 4 : Focus on extra curricular activities too
Tip 5 : Do not put things you are not sure about
I am excited to join this company because of its reputation for innovation and commitment to employee growth.
I am impressed by the company's track record of developing cutting-edge software solutions.
I appreciate the emphasis on professional development and growth opportunities for employees.
I am excited about the prospect of working with a talented and dedicated team.
I believe that this company's values align with my ...
My role model is Elon Musk.
I admire his innovative thinking and determination to push boundaries.
His ability to lead multiple successful companies is inspiring.
His focus on sustainable energy and space exploration aligns with my values.
I strive to emulate his work ethic and passion for making a positive impact on the world.
I have been involved in various extra-curricular activities such as volunteering, sports, and music.
Volunteered at local animal shelter
Played on intramural basketball team
Participated in school choir
Attended coding workshops and hackathons
I appeared for an interview before Jan 2016.
Seeking new challenges and growth opportunities.
I felt that I had reached a plateau in my role and was no longer being challenged.
I was interested in exploring new technologies and wanted to work on more innovative projects.
I wanted to work in a more collaborative and dynamic environment.
I left on good terms and have maintained positive relationships with my former colleagues.
I am excited to bring my skills and experie...
I am excited to join Centurylink because of their reputation for innovation and commitment to customer satisfaction.
Centurylink has a strong focus on developing cutting-edge technology solutions
The company values customer feedback and strives to provide excellent service
I am impressed by Centurylink's dedication to diversity and inclusion in the workplace
Relocated to Noida for better career opportunities and growth.
Noida is a hub for IT companies and offers a lot of job opportunities in the software development field.
The city has a good work-life balance and a lower cost of living compared to other metropolitan cities.
I was also attracted to the diverse culture and the opportunity to work with people from different backgrounds.
I did my research and found that Noida has...
Yes, I am comfortable working in US shift.
I have prior experience working in US shift.
I am flexible with my work timings.
I understand the importance of meeting project deadlines.
I am willing to adjust my personal schedule to accommodate work requirements.
I currently reside in New York City.
I live in an apartment in Manhattan.
My neighborhood is known for its diverse food options.
I have easy access to public transportation.
I enjoy exploring the city in my free time.
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