Amazon vs Capital One Interview Questions
Amazon lists 1,968 LeetCode interview questions while Capital One lists 47. They share 39 problems — 2% of Amazon's bank and 83% of Capital One's. Focus on the overlap first, then drill into 1,929 Amazon-only and 8 Capital One-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 39 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Capital One.
Step 2 — Company-specific depth: Add Amazon-specific problems like Two Sum, Trapping Rain Water, Longest Substring Without Repeating Characters and Capital One-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Capital One skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
39 Shared Questions
High-priority problems to practice for both Amazon and Capital One.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Add Two Numbers | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Palindrome Number | Easy |
| Merge Two Sorted Lists | Easy |
| Word Search | Medium |
| Spiral Matrix | Medium |
| Rotate Image | Medium |
| Coin Change | Medium |
| Meeting Rooms II | Medium |
| Roman to Integer | Easy |
| Largest Rectangle in Histogram | Hard |
| Rotate Array | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Reverse Nodes in k-Group | Hard |
| Word Search II | Hard |
| Simplify Path | Medium |
| Non-overlapping Intervals | Medium |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| Text Justification | Hard |
| Add Strings | Easy |
| K-diff Pairs in an Array | Medium |
| Design File System | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Binary Tree Paths | Easy |
| Rotating the Box | Medium |
| Find Servers That Handled Most Number of Requests | Hard |
Showing top 30 of 39 shared problems.
Unique to Amazon (1,929)
Problems in Amazon's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Group Anagrams | 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 |
| Course Schedule | Medium |
| Merge k Sorted Lists | Hard |
Unique to Capital One (8)
Problems in Capital One's list that do not appear at Amazon.
Frequently Asked Questions
How many LeetCode questions do Amazon and Capital One share?
Amazon and Capital One share 39 LeetCode interview questions. 1929 problems appear only in Amazon's list and 8 appear only in Capital One's list.
What topics overlap most between Amazon and Capital One?
The most common shared topics between Amazon and Capital One are Array (19 shared questions), String (10 shared questions), Matrix (6 shared questions), Math (6 shared questions), Hash Table (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Capital One?
Amazon has 527 Easy, 1074 Medium, and 367 Hard questions. Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Capital One has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Amazon and Capital One?
Start with the 39 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 8 Capital One-specific questions to round out your prep.