Turing vs X Interview Questions
Turing lists 37 LeetCode interview questions while X lists 51. They share 3 problems — 8% of Turing's bank and 6% of X's. Focus on the overlap first, then drill into 34 Turing-only and 48 X-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 X.
Step 2 — Company-specific depth: Add Turing-specific problems like Longest Substring Without Repeating Characters, Minimum Cost For Tickets, Koko Eating Bananas and X-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: X 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 X.
| 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 X.
Unique to X (48)
Problems in X's list that do not appear at Turing.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Tweet Counts Per Frequency | Medium |
| LRU Cache | Medium |
| Flatten Nested List Iterator | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Twitter | Medium |
| Binary Gap | Easy |
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Word Break II | Hard |
| Alien Dictionary | Hard |
Frequently Asked Questions
How many LeetCode questions do Turing and X share?
Turing and X share 3 LeetCode interview questions. 34 problems appear only in Turing's list and 48 appear only in X's list.
What topics overlap most between Turing and X?
The most common shared topics between Turing and X 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 X?
Turing has 10 Easy, 23 Medium, and 4 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. X has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Turing and X?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Turing-specific and 20 X-specific questions to round out your prep.