Airbnb vs X Interview Questions
Airbnb lists 63 LeetCode interview questions while X lists 51. They share 8 problems — 13% of Airbnb's bank and 16% of X's. Focus on the overlap first, then drill into 55 Airbnb-only and 43 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Airbnb and X.
Step 2 — Company-specific depth: Add Airbnb-specific problems like Text Justification, Maximum Profit in Job Scheduling, Smallest Common Region and X-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Airbnb skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both Airbnb and X.
| Problem | Difficulty |
|---|---|
| Flatten 2D Vector | Medium |
| Trapping Rain Water | Hard |
| Alien Dictionary | Hard |
| Regular Expression Matching | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Happy Number | Easy |
| Flatten Nested List Iterator | Medium |
Unique to Airbnb (55)
Problems in Airbnb's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Maximum Profit in Job Scheduling | Hard |
| Smallest Common Region | Medium |
| Palindrome Pairs | Hard |
| Maximum Candies You Can Get from Boxes | Hard |
| Pour Water | Medium |
| Sliding Puzzle | Hard |
| Design Excel Sum Formula | Hard |
| Intersection of Two Linked Lists | Easy |
| Contains Duplicate II | Easy |
| Simple Bank System | Medium |
| IP to CIDR | Medium |
Unique to X (43)
Problems in X's list that do not appear at Airbnb.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Tweet Counts Per Frequency | Medium |
| LRU Cache | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Twitter | Medium |
| Binary Gap | Easy |
| Integer to Roman | Medium |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| Trapping Rain Water II | Hard |
Frequently Asked Questions
How many LeetCode questions do Airbnb and X share?
Airbnb and X share 8 LeetCode interview questions. 55 problems appear only in Airbnb's list and 43 appear only in X's list.
What topics overlap most between Airbnb and X?
The most common shared topics between Airbnb and X are Array (3 shared questions), Two Pointers (3 shared questions), Stack (3 shared questions), String (3 shared questions), Design (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Airbnb or X?
Airbnb has 11 Easy, 31 Medium, and 21 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. Airbnb has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Airbnb and X?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Airbnb-specific and 20 X-specific questions to round out your prep.