Tesla vs X Interview Questions
Tesla lists 41 LeetCode interview questions while X lists 51. They share 6 problems — 15% of Tesla's bank and 12% of X's. Focus on the overlap first, then drill into 35 Tesla-only and 45 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Tesla and X.
Step 2 — Company-specific depth: Add Tesla-specific problems like Minimum Changes To Make Alternating Binary String, Find Followers Count, Best Time to Buy and Sell Stock 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
6 Shared Questions
High-priority problems to practice for both Tesla and X.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Trapping Rain Water | Hard |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Flatten Nested List Iterator | Medium |
| Happy Number | Easy |
Unique to Tesla (35)
Problems in Tesla's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Minimum Changes To Make Alternating Binary String | Easy |
| Find Followers Count | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Number of Islands | Medium |
| Basic Calculator II | Medium |
| Building H2O | Medium |
| Design Circular Queue | Medium |
| Reorganize String | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Rectangle Area | Medium |
| 3Sum | Medium |
| Letter Combinations of a Phone Number | Medium |
Unique to X (45)
Problems in X's list that do not appear at Tesla.
| Problem | Difficulty |
|---|---|
| Tweet Counts Per Frequency | 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 |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| Merge k Sorted Lists | Hard |
Frequently Asked Questions
How many LeetCode questions do Tesla and X share?
Tesla and X share 6 LeetCode interview questions. 35 problems appear only in Tesla's list and 45 appear only in X's list.
What topics overlap most between Tesla and X?
The most common shared topics between Tesla and X are Stack (3 shared questions), Array (2 shared questions), Two Pointers (2 shared questions), Hash Table (2 shared questions), Design (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Tesla or X?
Tesla has 10 Easy, 26 Medium, and 5 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 Tesla and X?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Tesla-specific and 20 X-specific questions to round out your prep.