Anduril vs X Interview Questions
Anduril lists 55 LeetCode interview questions while X lists 51. They share 5 problems — 9% of Anduril's bank and 10% of X's. Focus on the overlap first, then drill into 50 Anduril-only and 46 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Anduril and X.
Step 2 — Company-specific depth: Add Anduril-specific problems like Number of Islands, Course Schedule II, Video Stitching 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
5 Shared Questions
High-priority problems to practice for both Anduril and X.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Merge k Sorted Lists | Hard |
| Word Break II | Hard |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
Unique to Anduril (50)
Problems in Anduril's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Course Schedule II | Medium |
| Video Stitching | Medium |
| Daily Temperatures | Medium |
| Heaters | Medium |
| Shortest Word Distance | Easy |
| Course Schedule | Medium |
| Maximum Number of Visible Points | Hard |
| Making A Large Island | Hard |
| Group Anagrams | Medium |
| Search Suggestions System | Medium |
| Find Median from Data Stream | Hard |
Unique to X (46)
Problems in X's list that do not appear at Anduril.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Tweet Counts Per Frequency | 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 |
| Alien Dictionary | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
Frequently Asked Questions
How many LeetCode questions do Anduril and X share?
Anduril and X share 5 LeetCode interview questions. 50 problems appear only in Anduril's list and 46 appear only in X's list.
What topics overlap most between Anduril and X?
The most common shared topics between Anduril and X are Array (2 shared questions), Linked List (2 shared questions), Hash Table (2 shared questions), String (2 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Anduril or X?
Anduril has 8 Easy, 40 Medium, and 7 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 Anduril and X?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Anduril-specific and 20 X-specific questions to round out your prep.