Amazon vs Anduril Interview Questions
Amazon lists 1,968 LeetCode interview questions while Anduril lists 55. They share 49 problems — 2% of Amazon's bank and 89% of Anduril's. Focus on the overlap first, then drill into 1,919 Amazon-only and 6 Anduril-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 49 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Anduril.
Step 2 — Company-specific depth: Add Amazon-specific problems like Trapping Rain Water, Longest Substring Without Repeating Characters, Best Time to Buy and Sell Stock and Anduril-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Amazon skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
49 Shared Questions
High-priority problems to practice for both Amazon and Anduril.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| LRU Cache | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Merge k Sorted Lists | Hard |
| Rotting Oranges | Medium |
| Search in Rotated Sorted Array | Medium |
| House Robber | Medium |
| Course Schedule II | Medium |
| Spiral Matrix | Medium |
| Rotate Image | Medium |
| Meeting Rooms II | Medium |
| Find Median from Data Stream | Hard |
| Move Zeroes | Easy |
| Minimum Window Substring | Hard |
| Daily Temperatures | Medium |
| Find the Duplicate Number | Medium |
| String Compression | Medium |
| Word Break II | Hard |
| Balanced Binary Tree | Easy |
| Time Based Key-Value Store | Medium |
| Evaluate Reverse Polish Notation | Medium |
| Search Suggestions System | Medium |
| Surrounded Regions | Medium |
| Snakes and Ladders | Medium |
| Binary Tree Inorder Traversal | Easy |
| Accounts Merge | Medium |
Showing top 30 of 49 shared problems.
Unique to Amazon (1,919)
Problems in Amazon's list that do not appear at Anduril.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Add Two Numbers | Medium |
| Reorganize String | Medium |
| 3Sum | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Median of Two Sorted Arrays | Hard |
| Koko Eating Bananas | Medium |
| Longest Common Prefix | Easy |
| Subarray Sum Equals K | Medium |
Unique to Anduril (6)
Problems in Anduril's list that do not appear at Amazon.
| Problem | Difficulty |
|---|---|
| Video Stitching | Medium |
| Shortest Word Distance II | Medium |
| Queries on Number of Points Inside a Circle | Medium |
| Race Car | Hard |
| Brace Expansion | Medium |
| Insert into a Sorted Circular Linked List | Medium |
Frequently Asked Questions
How many LeetCode questions do Amazon and Anduril share?
Amazon and Anduril share 49 LeetCode interview questions. 1919 problems appear only in Amazon's list and 6 appear only in Anduril's list.
What topics overlap most between Amazon and Anduril?
The most common shared topics between Amazon and Anduril are Array (19 shared questions), String (8 shared questions), Hash Table (7 shared questions), Depth-First Search (7 shared questions), Breadth-First Search (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Anduril?
Amazon has 527 Easy, 1074 Medium, and 367 Hard questions. Anduril has 8 Easy, 40 Medium, and 7 Hard questions. Amazon has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Amazon and Anduril?
Start with the 49 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 6 Anduril-specific questions to round out your prep.