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Airbnb

6 posts

Find Smallest Common Region

Last Updated: 23 July 2025

Given a 2D array regions[][] where the first region of each array includes all other regions in that array and two more regions r1 and r2, the task is to return the smalle...read more

Interview-Questions

Count Ways to Build House of Cards

Last Updated: 23 July 2025

Given N playing cards, the task is to return the number of distinct house of cards we can build using all N cards. A house of cards meets the following conditions:A house...read more

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Dynamic Programming

Interview-Questions

Design Add and Search for Words with Dot which can Match Any Character

Last Updated: 08 September 2026

Design a data structure that supports adding new words and finding if a string matches any already existing string.Implement the WordDictionary class with the following fu...read more

Interview-Questions

Maximize the Number of People That Can Be Caught in Tag

Last Updated: 28 April 2024

You are playing a game of tag with your friends. In tag, people are divided into two teams: people who are “it”, and people who are not “it”. Given an array of 0s and 1s, ...read more

Airbnb Interview Experience (On-Campus)

Last Updated: 23 July 2025

Online :This Round consisted of one coding question—medium level on strings. Only those who solved the question with all test cases passed got shortlisted.Round 1:The Roun...read more

Interview Experiences

Koko Eating Bananas

Last Updated: 12 August 2025

Given an array arr[] where each element denotes the number of bananas in a pile, and an integer k representing the total number of hours available. In one hour, up to x ba...read more