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Facebook Software Engineer Intern Interview Questions and Answers

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Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Basic questions about your CV
Round 2 - Coding Test 

Live coding on any platform - DSA round

Round 3 - Technical 

(1 Question)

  • Q1. DSA round - whiteboarding
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. How did you know about this job?
Round 2 - Technical 

(1 Question)

  • Q1. Talking about my experience

I was interviewed in Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Hard

Online coding round , 2-3 questions. Level - med-hard

  • Q1. 

    Fibonacci Number Verification

    Identify if the provided integer 'N' is a Fibonacci number.

    A number is termed as a Fibonacci number if it appears in the Fibonacci sequence, where each number is the sum of...

  • Ans. 

    Check if a given number is a Fibonacci number or not.

    • Iterate through the Fibonacci sequence until you find a number greater than or equal to the given number.

    • Check if the given number matches the Fibonacci number found in the sequence.

    • If the given number matches, output 'YES'; otherwise, output 'NO'.

  • Answered by AI
  • Q2. 

    Break The Board Problem Statement

    Your task is to break a board of given dimensions 'L' by 'W' into 'L' * 'W' smaller squares, ensuring the total cost of breaking is minimized.

    Input:

    The first line con...
  • Ans. 

    Minimize cost of breaking a board into smaller squares by optimizing horizontal and vertical cuts.

    • Iterate through all possible horizontal and vertical cuts to find the minimum cost

    • Use dynamic programming to store and reuse subproblem solutions

    • Calculate the cost of breaking the board into smaller squares based on the given dimensions and cut costs

  • Answered by AI
Round 2 - Telephonic Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Medium

2 interviewers , coding problem, no compilation.

  • Q1. 

    Minimum Number Of People To Teach

    Ninja has started a social networking site called Ninjas Space. The platform consists of ‘N’ users and supports ‘M’ different languages. Users communicate if they know at...

  • Ans. 

    Determine the minimum number of users to teach a common language so all friends can communicate on a social networking site.

    • Create a graph where users are nodes and friendships are edges.

    • Find connected components in the graph.

    • For each connected component, determine the minimum number of users to teach a common language.

    • Return the sum of minimum users needed for all connected components.

  • Answered by AI
Round 3 - Face to Face 

Round duration - 40 minutes
Round difficulty - Medium

CS fundamentals. Tough round. 40 mins interview. 1 interviewer from USA

Round 4 - Face to Face 

(1 Question)

Round duration - 40 minutes
Round difficulty - Hard

System Design Problem

  • Q1. Design a Facebook-like application.
  • Ans. 

    Design a Facebook-like application for social networking.

    • User profiles with personal information and photos

    • News feed displaying posts from friends

    • Ability to like, comment, and share posts

    • Friend requests and messaging functionality

    • Groups and events for community engagement

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Software Engineering from Delhi Technological University. I applied for the job as SDE - 1 in BangaloreEligibility criteriaComputer related BranchTwitter interview preparation:Topics to prepare for the interview - DBMS, Data Structures and Algorithms , OOP, Maths puzzles, Aptitude , CN, OSTime required to prepare for the interview - 9 MonthsInterview preparation tips for other job seekers

Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume

Application resume tips for other job seekers

Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Nov 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Standard Leetcode Medium question.

Round 3 - One-on-one 

(1 Question)

  • Q1. DSA Questions and database questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a good resume!
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Leetcode similar coding tests

Round 2 - One-on-one 

(2 Questions)

  • Q1. How do you test the feasibility of an idea?
  • Q2. Explain the process of calling an API

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice leetcode and review basic SWE interview questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. What design tool can be implemented to determine if A and B are friends, and if B and C are friends, subsequently making A and C friends automatically?
  • Ans. 

    A graph traversal algorithm like Depth First Search (DFS) can be implemented to determine if A and B are friends, and if B and C are friends, subsequently making A and C friends automatically.

    • Implement a graph where each person is a node and friendships are edges between nodes

    • Use Depth First Search (DFS) to traverse the graph and check for connections between A and B, and B and C

    • If both connections exist, then A and C

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Nov 2023. There was 1 interview round.

Round 1 - Coding Test 

1 hour, 2 question. 1. Meetting scheduler (leetcode)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Interviewer asked introduction
  • Q2. After Introduction he will dig into my projects and after that one DSA Problem
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Word search II from leetcode
  • Ans. 

    Word search II is a problem where you have to find all words from a given list in a 2D board of characters.

    • Use a trie data structure to efficiently search for words in the board.

    • Implement a backtracking algorithm to explore all possible paths in the board.

    • Optimize the search by pruning branches that cannot lead to a valid word.

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Few aptitude questions were asked in the interview

Round 2 - Coding Test 

Reverse string without doing anything to special characters

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