Airbnb interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
Airbnb
4 rounds | 6 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 months
Topics: Data Structures, OOPS, System Design, Algorithms, Problem Solving
Tip 1 : Prepare for classic HR questions, can help prepare for most situational questions you may expect.
Tip 2 : Ask relevant questions to interviewers at the end of every interview.
Application process
Where: Referral
Eligibility: Above 6 CGPA without any pending backlogs and more than 65% in 12th.
Tip 1 : Keep it clean.
Tip 2 : Put some projects on it.
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60 minutes
Interview date15 Jul 2022
Coding problem2
1. Longest Substring with At Most K Distinct Characters
Moderate
20m average time
80% success
0/80
Asked in companies
You are given a string 'str' and an integer ‘K’. Your task is to find the length of the largest substring with at most ‘K’ distinct characters.
For example:
You are given ‘str’ = ‘abbbbbbc’ and ‘K’ = 2, then the substrings that can be formed are [‘abbbbbb’, ‘bbbbbbc’]. Hence the answer is 7.
Problem approach
A simple solution would be to generate all substrings of the given string and return the longest substring containing k distinct characters.
2. Technical Questions
What are 2-D Matrix, Prefix Sum, Binary Search ?
02
Round
Medium
Online Coding Interview
Duration45 minutes
Interview date17 Jul 2022
Coding problem2
1. Programming based Questions
What is Priority Queue, Binary Search on Answer ?
2. Algorithm based Questions
What is Simulation, Greedy, BFS ?
03
Round
Hard
Coding Test - Pen and paper
Duration45 minutes
Interview date20 Jul 2022
Coding problem1
1. Design based Question
Design a data structure to store the strings' count with the ability to return the strings with minimum and maximum counts.
Problem approach
Struggled to come up with an O(1) soln, optimised upto O(log(n)), got a hint that helped me with the thought process to optimise all operations to O(1).
04
Round
Easy
HR Round
Duration45 minutes
Interview date24 Jul 2022
Coding problem1
1. Basic HR questions
Projects + CS Core + HR questions
Problem approach
Tip 1: Focus on the fundamentals of DSA and a strong understanding of the internal workings of the same.
Tip 2: Keep interacting throughout the interview. Think out loud and explain everything.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
Which array operation has O(n) worst-case time complexity?
Choose another skill to practice
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