Airbnb vs TCS Interview Questions
Airbnb lists 63 LeetCode interview questions while TCS lists 228. They share 14 problems — 22% of Airbnb's bank and 6% of TCS's. Focus on the overlap first, then drill into 49 Airbnb-only and 214 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Airbnb and TCS.
Step 2 — Company-specific depth: Add Airbnb-specific problems like Text Justification, Maximum Profit in Job Scheduling, Flatten 2D Vector and TCS-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
14 Shared Questions
High-priority problems to practice for both Airbnb and TCS.
| Problem | Difficulty |
|---|---|
| Intersection of Two Linked Lists | Easy |
| Trapping Rain Water | Hard |
| Contains Duplicate II | Easy |
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Single Number | Easy |
| Regular Expression Matching | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| House Robber | Medium |
| Happy Number | Easy |
| Contains Duplicate | Easy |
| Subarray Product Less Than K | Medium |
| Maximum Subarray | Medium |
Unique to Airbnb (49)
Problems in Airbnb's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Maximum Profit in Job Scheduling | Hard |
| Flatten 2D Vector | Medium |
| 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 |
| Alien Dictionary | Hard |
| Simple Bank System | Medium |
| IP to CIDR | Medium |
Unique to TCS (214)
Problems in TCS's list that do not appear at Airbnb.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Second Highest Salary | Medium |
| Longest Substring Without Repeating Characters | Medium |
Frequently Asked Questions
How many LeetCode questions do Airbnb and TCS share?
Airbnb and TCS share 14 LeetCode interview questions. 49 problems appear only in Airbnb's list and 214 appear only in TCS's list.
What topics overlap most between Airbnb and TCS?
The most common shared topics between Airbnb and TCS are Array (8 shared questions), Hash Table (5 shared questions), Dynamic Programming (4 shared questions), Linked List (3 shared questions), Two Pointers (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Airbnb or TCS?
Airbnb has 11 Easy, 31 Medium, and 21 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Airbnb has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Airbnb and TCS?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Airbnb-specific and 20 TCS-specific questions to round out your prep.