Airbnb vs Oracle Interview Questions
Airbnb lists 63 LeetCode interview questions while Oracle lists 314. They share 25 problems — 40% of Airbnb's bank and 8% of Oracle's. Focus on the overlap first, then drill into 38 Airbnb-only and 289 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 25 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Airbnb and Oracle.
Step 2 — Company-specific depth: Add Airbnb-specific problems like Flatten 2D Vector, Smallest Common Region, Palindrome Pairs and Oracle-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
25 Shared Questions
High-priority problems to practice for both Airbnb and Oracle.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Maximum Profit in Job Scheduling | Hard |
| Pour Water | Medium |
| Trapping Rain Water | Hard |
| Simple Bank System | Medium |
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Word Search II | Hard |
| Regular Expression Matching | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Add Strings | Easy |
| House Robber | Medium |
| Happy Number | Easy |
| Contains Duplicate | Easy |
| Maximal Square | Medium |
| Basic Calculator II | Medium |
| Design File System | Medium |
| Combination Sum | Medium |
| Minimum Window Substring | Hard |
| Subarray Product Less Than K | Medium |
| Can Place Flowers | Easy |
| Maximum Subarray | Medium |
| Time Based Key-Value Store | Medium |
| Consecutive Numbers Sum | Hard |
Unique to Airbnb (38)
Problems in Airbnb's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Flatten 2D Vector | Medium |
| Smallest Common Region | Medium |
| Palindrome Pairs | Hard |
| Maximum Candies You Can Get from Boxes | Hard |
| Sliding Puzzle | Hard |
| Design Excel Sum Formula | Hard |
| Intersection of Two Linked Lists | Easy |
| Alien Dictionary | Hard |
| Contains Duplicate II | Easy |
| IP to CIDR | Medium |
| Employee Free Time | Hard |
| Cheapest Flights Within K Stops | Medium |
Unique to Oracle (289)
Problems in Oracle's list that do not appear at Airbnb.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Sliding Window Maximum | Hard |
| Merge Intervals | Medium |
| Meeting Rooms II | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
Frequently Asked Questions
How many LeetCode questions do Airbnb and Oracle share?
Airbnb and Oracle share 25 LeetCode interview questions. 38 problems appear only in Airbnb's list and 289 appear only in Oracle's list.
What topics overlap most between Airbnb and Oracle?
The most common shared topics between Airbnb and Oracle are Array (14 shared questions), String (9 shared questions), Hash Table (7 shared questions), Dynamic Programming (6 shared questions), Math (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Airbnb or Oracle?
Airbnb has 11 Easy, 31 Medium, and 21 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Airbnb has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Airbnb and Oracle?
Start with the 25 shared problems since they cover what both companies ask most often. Then add 20 Airbnb-specific and 20 Oracle-specific questions to round out your prep.