Twitter vs Yahoo Interview Questions
Twitter lists 53 LeetCode interview questions while Yahoo lists 34. They share 4 problems — 8% of Twitter's bank and 12% of Yahoo's. Focus on the overlap first, then drill into 49 Twitter-only and 30 Yahoo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Twitter and Yahoo.
Step 2 — Company-specific depth: Add Twitter-specific problems like Regular Expression Matching, Integer to Roman, Merge k Sorted Lists and Yahoo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Twitter skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Twitter and Yahoo.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Reverse Linked List | Easy |
| Flatten Nested List Iterator | Medium |
Unique to Twitter (49)
Problems in Twitter's list that do not appear at Yahoo.
| Problem | Difficulty |
|---|---|
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Multiply Strings | Medium |
| Wildcard Matching | Hard |
| Merge Intervals | Medium |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
Unique to Yahoo (30)
Problems in Yahoo's list that do not appear at Twitter.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Maximum Depth of Binary Tree | Easy |
| Contains Duplicate | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Largest Palindrome Product | Hard |
| Median of Two Sorted Arrays | Hard |
| Roman to Integer | Easy |
| Word Break | Medium |
| Linked List Cycle | Easy |
| Matrix Cells in Distance Order | Easy |
| Non-decreasing Subsequences | Medium |
| Maximum Distance in Arrays | Medium |
Frequently Asked Questions
How many LeetCode questions do Twitter and Yahoo share?
Twitter and Yahoo share 4 LeetCode interview questions. 49 problems appear only in Twitter's list and 30 appear only in Yahoo's list.
What topics overlap most between Twitter and Yahoo?
The most common shared topics between Twitter and Yahoo are Stack (2 shared questions), Linked List (2 shared questions), Design (2 shared questions), String (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Twitter or Yahoo?
Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Twitter and Yahoo?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Twitter-specific and 20 Yahoo-specific questions to round out your prep.