Turing vs Twitter Interview Questions
Turing lists 37 LeetCode interview questions while Twitter lists 53. They share 3 problems — 8% of Turing's bank and 6% of Twitter's. Focus on the overlap first, then drill into 34 Turing-only and 50 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Turing and Twitter.
Step 2 — Company-specific depth: Add Turing-specific problems like Longest Substring Without Repeating Characters, Minimum Cost For Tickets, Koko Eating Bananas and Twitter-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
3 Shared Questions
High-priority problems to practice for both Turing and Twitter.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| Validate IP Address | Medium |
| Merge Intervals | Medium |
Unique to Turing (34)
Problems in Turing's list that do not appear at Twitter.
Unique to Twitter (50)
Problems in Twitter's list that do not appear at Turing.
| 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 |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| LRU Cache | Medium |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
Frequently Asked Questions
How many LeetCode questions do Turing and Twitter share?
Turing and Twitter share 3 LeetCode interview questions. 34 problems appear only in Turing's list and 50 appear only in Twitter's list.
What topics overlap most between Turing and Twitter?
The most common shared topics between Turing and Twitter are String (2 shared questions), Stack (1 shared questions), Array (1 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Turing or Twitter?
Turing has 10 Easy, 23 Medium, and 4 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Turing and Twitter?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Turing-specific and 20 Twitter-specific questions to round out your prep.