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To check if a linked list is a palindrome, compare the first half of the list with the reversed second half.
Traverse the linked list to find the middle node
Reverse the second half of the linked list
Compare the first half with the reversed second half to check for palindrome
Binary search and design a data-structure to do insert, delete and get random in O(1)
I applied via Approached by Company and was interviewed before Apr 2023. There were 3 interview rounds.
Questions regarding JS concepts. JS and React specific rounds, closures, Promises, etc
Arista Networks interview questions for designations
Top trending discussions
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 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.
I appeared for an interview before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on OOPS and OS mainly.
Little Endian and Big Endian refer to the order in which bytes are stored in computer memory.
Little Endian stores the least significant byte first, while Big Endian stores the most significant byte first.
Little Endian is commonly used in x86 architecture, while Big Endian is used in architectures like SPARC and PowerPC.
Endianness can affect data transmission between systems with different byte orders.
Program to determine system's endianness
Check the endianness by storing a multi-byte integer and checking the byte order
Use bitwise operations to extract the least significant byte
If the least significant byte is at the lowest memory address, it's little-endian
If the least significant byte is at the highest memory address, it's big-endian
The volatile keyword in programming is used to indicate that a variable's value can be changed unexpectedly.
Volatile keyword is used in multithreaded programming to prevent compiler optimizations on variables that can be changed by other threads.
It tells the compiler not to cache the variable's value in a register, ensuring that every access is made to the variable's memory location.
Commonly used in embedded systems pr...
Function pointers in C are used to store the address of functions, allowing for dynamic function calls and callbacks.
Function pointers can be used to implement callbacks in event-driven programming.
They can be used to switch between different functions at runtime.
Function pointers are commonly used in implementing data structures like function pointers in an array of function pointers.
Example: void (*funcPtr)(int) = &a
Design a data structure for multi-threading
Use a thread-safe queue to manage tasks for each thread
Implement a lock or semaphore to control access to shared resources
Consider using condition variables for synchronization
Use atomic operations for shared variables to prevent race conditions
The kernel is the core component of an operating system that manages system resources and provides a bridge between software and hardware.
Manages system resources such as CPU, memory, and I/O devices
Provides a bridge between software applications and hardware components
Handles tasks such as process scheduling, memory management, and device drivers
Controls communication between hardware and software layers
A storage class in programming defines the scope and lifetime of variables.
Storage classes include auto, register, static, and extern.
Auto variables are created when a function is called and destroyed when the function ends.
Register variables are stored in CPU registers for faster access.
Static variables retain their value between function calls.
Extern variables are declared outside of any function and can be accessed
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
posted on 2 Dec 2015
based on 5 interviews
Interview experience
based on 4 reviews
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