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Facebook Interview Questions, Process, and Tips
Top Facebook Interview Questions and Answers
- Q1. Saving Money Problem Statement Ninja is adventurous and loves traveling while being mindful of his expenses. Given a set of 'N' stations connected by 'M' trains, each tr ...read moreasked in Software Developer interview
- Q2. Given a hashmap M which is a mapping of characters to arrays of substitute characters, and an input string S, return an array of all possible mutations of S (where any ch ...read moreasked in SDE interview
- Q3. Given an “id” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of “friends of friends” in the order of d ...read moreasked in Software Engineer interview
Facebook Interview Experiences
52 interviews found
Anonymous
Interview Questionnaire
8 Questions
- Q1. Given two “ids” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of mutual friends
- Ans.
Function to return mutual friends given two ids and getFriends(id) function
Call getFriends(id) for both ids to get their respective friend lists
Iterate through both lists and compare to find mutual friends
Return the list of mutual friends
- Q2. Given an “id” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of “friends of friends” in the order of decreasing number of mutual friends,...
- Ans.
Function to return list of friends of friends in decreasing order of mutual friends
Use a set to store all friends of friends
Iterate through the list of friends of the given id
For each friend, iterate through their list of friends and count mutual friends
Sort the set of friends of friends by decreasing number of mutual friends
- Q3. Given a number of time slots – start time and end time,“a b”, find any specific time with the maximum number of overlapping. After solving the problem I had to prove my solution
- Ans.
Given time slots, find a specific time with maximum overlap. Prove solution.
Create a list of all start and end times
Sort the list in ascending order
Iterate through the list and keep track of the number of overlaps at each time
Return the time with the maximum number of overlaps
Prove solution by testing with different input sizes and edge cases
- Q4. Given an array of Integers, find the Longest sub-array whose elements are in Increasing Order
- Ans.
Find the longest sub-array with increasing order of integers.
Iterate through the array and keep track of the current sub-array's start and end indices.
Update the start index whenever the current element is smaller than the previous element.
Update the end index whenever the current element is greater than or equal to the next element.
Calculate the length of the sub-array and compare it with the longest sub-array found s
- Q5. Given an array of Integers, find the length of Longest Increasing Subsequence and print the sequence.
- Ans.
Find the length of longest increasing subsequence and print the sequence from an array of integers.
Use dynamic programming to solve the problem
Create an array to store the length of longest increasing subsequence ending at each index
Traverse the array and update the length of longest increasing subsequence for each index
Print the sequence by backtracking from the index with the maximum length
Time complexity: O(n^2)
Exam...
- Q6. Given a Sorted Array which has been rotated, write the code to find a given Integer
- Ans.
Code to find a given integer in a rotated sorted array.
Use binary search to find the pivot point where the array is rotated.
Divide the array into two subarrays and perform binary search on the appropriate subarray.
Handle edge cases such as the target integer not being present in the array.
- Q7. You have a number of incoming Integers, all of which cannot be stored into memory. We need to print largest K numbers at the end of input
- Ans.
Use a min-heap to keep track of the largest K numbers seen so far.
Create a min-heap of size K.
For each incoming integer, add it to the heap if it's larger than the smallest element in the heap.
If the heap size exceeds K, remove the smallest element.
At the end, the heap will contain the largest K numbers in the input.
- Q8. Implement LRU Cache
- Ans.
LRU Cache is a data structure that stores the most recently used items and discards the least recently used items.
Use a doubly linked list to keep track of the order of items in the cache
Use a hash map to store the key-value pairs for fast access
When an item is accessed, move it to the front of the linked list
When the cache is full, remove the least recently used item from the back of the linked list and the hash map
Interview Preparation Tips
Experience: Facebook visited our campus in July, 2012. We had an online coding round hosted on InterviewStreet. We were asked to solve just one problem. The given problem boils down to : Given a undirected graph, source and destination, write the code to find the total number of distinct nodes visited, considering all possible paths.
Tips: Those shortlisted had to fly to Delhi for a Personal Interview. There were four rounds of interview, each of 45 minutes. The questions were simple. But just solving the given problem wasn't enough.
There was much more interaction and short questions asked related to the problem
Round: Technical Interview
Experience: The above mentioned questions wer asked in the interview. For every solution I was asked to write the code on paper. The code should also include the implementation of the data structures used (I used heaps - so I was asked to implement heaps ). They are looking for someone with good problem solving skills and conceptually sound in data structures
College Name: BIT MESRA
Skills evaluated in this interview
Top Facebook Software Engineer Interview Questions and Answers
Software Engineer Interview Questions asked at other Companies
Selected
I applied via Company Website and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. What you have technical improvement in codes?
- Ans.
I have implemented various technical improvements in codes to enhance performance and functionality.
Implemented caching mechanisms to reduce load times
Optimized database queries for faster retrieval of data
Introduced error handling techniques to improve code reliability
Utilized design patterns to make the codebase more maintainable
Refactored legacy code to adhere to best practices
- Q2. What is your excitment about fresh job?
Interview Preparation Tips
Business Development Executive Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Why you want to join facebook?
- Ans.
I want to join Facebook because of its innovative technology, global impact, and opportunities for growth.
Innovative technology: Facebook is known for its cutting-edge technology and constant innovation.
Global impact: Working at Facebook would allow me to contribute to a platform that connects billions of people worldwide.
Opportunities for growth: Facebook offers a dynamic and fast-paced work environment with ample opp...
- Q2. Whats the best feature you like in Facebook?
- Ans.
I appreciate the personalized news feed feature on Facebook.
Personalized news feed shows content based on user interests
Helps users stay updated on relevant information
Allows users to engage with content they are interested in
Top Facebook Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
J.Baranidharan
I applied via AmbitionBox and was interviewed before Oct 2023. There were 8 interview rounds.
(2 Questions)
- Q1. What is your technical don't comparison anybody anything because in the and their five fingers of different sizes of different shape and different quality whatever you want you take and utilise yourself th...
- Q2. Do you know technical of technology yes. Ham diploma in electrical and mechanical diploma in acupuncture and Varma
(2 Questions)
- Q1. From technical as different category of different types what I know I submit AC fridge washing machine in water or water purified water heater all kind of home appliances need for everyone that I do very w...
- Q2. For teaching of yoga and meditation for spirituality for everyone have body mind and soul without be cannot live in this earth so very well for body for development flexibility immunity and flexibility tha...
(2 Questions)
- Q1. How do you know about body.. a body as three layers physical body metaphysical body and circuit body and from 3 NH systems biopotential energy boamagnetic energy bio kinetic energy and et cetera
- Q2. Tell me the more details of body... Yes the body have from the spinal cord 33 disc and 7 chakras with invisible it is working we called non material science like soul mind and more 72000 systems parade we ...
(2 Questions)
- Q1. What do you know mind.... Ye mind like a mirror whatever we've in this character to applying the face of exposing like my mirror remind physical mind super conscious mind subconscious mind and conscious mi...
- Q2. What could you like to teach for each everyone.... For teaching of yoga and meditation for spirituality for a body in around outer condition change in development of next generation human being...
- Ans.
I would like to teach a holistic approach to yoga and meditation that focuses on spiritual growth, physical well-being, and personal development for the next generation.
Incorporate mindfulness practices to cultivate self-awareness and inner peace
Teach asanas (yoga postures) for physical strength, flexibility, and balance
Guide students in pranayama (breath control) techniques for energy and relaxation
Introduce meditatio...
(2 Questions)
- Q1. Where are any other companies for office work in Burma Glory flight containing limited from production planning control department from PPC
- Q2. What is your life what are doing.... Your life is very beautiful of very fastest in this world. It is attached for body and mind live your life of soul
Whatever we know we have to discuss for each and every one to analyse the elements has different of quality of different of uses like that as I am a sky
Every person has come different places of different situation different area of different educations and different relationships so discussion of group is each and everyone to develop in self
(2 Questions)
- Q1. It's highly qualified for HR department even they also do some mistakes but with weird to co-ordinate for knowledge of friendly relationship
- Q2. There is a meaning question there is answer many answer there is a no question from this world from this world as a different type of person of different knowledge if it is for thank you
Interview Preparation Tips
Yoga and Meditation Teacher Interview Questions asked at other Companies
Facebook interview questions for popular designations
Selected
I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.
Write program to sort data
Java Developer Interview Questions asked at other Companies
Get interview-ready with Top Facebook Interview Questions
DSA round was there it was good
Top Facebook Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Jobs at Facebook
Selected
I applied via Job Portal and was interviewed in Dec 2023. There was 1 interview round.
(5 Questions)
- Q1. About working skills
- Q2. Content creator
- Q3. Work experience
- Q4. Where do you work from
- Q5. Expected salary
Interview Preparation Tips
Content Creator Interview Questions asked at other Companies
Selected
I applied via Company Website and was interviewed in Dec 2023. There were 2 interview rounds.
All models should be made available or their complete information should be given in fresher training.
(2 Questions)
- Q1. Social media marketing
- Ans. Yes I have worked for a few months
- Q2. I don't have any questions, just get my work done.
Interview Preparation Tips
- Social Media Marketing
- Network marketing
Software Development Engineer Interview Questions asked at other Companies
(1 Question)
- Q1. Tell me about yourself
Top Facebook Software Engineer Interview Questions and Answers
Software Engineer Interview Questions asked at other Companies
(2 Questions)
- Q1. How you came here?
- Ans.
I applied for the position online and went through multiple rounds of interviews before being selected.
Applied online through company website
Participated in multiple rounds of interviews
Received offer after final interview
- Q2. What is your ambition?
- Ans.
My ambition is to become a leading expert in embedded systems development, constantly pushing the boundaries of technology.
To continuously enhance my skills and knowledge in embedded systems design and development
To work on cutting-edge projects that challenge me and allow me to innovate
To eventually lead a team of talented engineers in creating groundbreaking embedded solutions
Embedded Engineer Interview Questions asked at other Companies
(2 Questions)
- Q1. MVVM architecture
- Q2. Draw architecture design pattern
- Ans.
MVC (Model-View-Controller) architecture design pattern separates an application into three main components.
Model: Represents the data and business logic of the application
View: Represents the UI components of the application
Controller: Acts as an intermediary between Model and View, handling user input and updating the Model accordingly
Android App Developer Interview Questions asked at other Companies
Facebook Interview FAQs
Some of the top questions asked at the Facebook interview -
The duration of Facebook interview process can vary, but typically it takes about 2-4 weeks to complete.
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