Capital One vs Walmart Labs Interview Questions
Capital One lists 47 LeetCode interview questions while Walmart Labs lists 144. They share 14 problems — 30% of Capital One's bank and 10% of Walmart Labs's. Focus on the overlap first, then drill into 33 Capital One-only and 130 Walmart Labs-only questions.
Read the full Capital One vs Walmart Labs preparation guide →
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capital One and Walmart Labs.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Block Placement Queries, Text Justification and Walmart Labs-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
14 Shared Questions
High-priority problems to practice for both Capital One and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Largest Rectangle in Histogram | Hard |
| Best Time to Buy and Sell Stock | Easy |
| Word Search | Medium |
| Coin Change | Medium |
| Merge Intervals | Medium |
| Number of Islands | Medium |
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Rotate Array | Medium |
| Roman to Integer | Easy |
| Valid Parentheses | Easy |
| Reverse Nodes in k-Group | Hard |
| Best Time to Buy and Sell Stock II | Medium |
Unique to Capital One (33)
Problems in Capital One's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Block Placement Queries | Hard |
| Text Justification | Hard |
| Minimum Operations to Write the Letter Y on a Grid | Medium |
| Candy Crush | Medium |
| Count Alternating Subarrays | Medium |
| Rotate Image | Medium |
| Four Divisors | Medium |
| Simplify Path | Medium |
| Count Operations to Obtain Zero | Easy |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| Split Message Based on Limit | Hard |
Unique to Walmart Labs (130)
Problems in Walmart Labs's list that do not appear at Capital One.
Frequently Asked Questions
How many LeetCode questions do Capital One and Walmart Labs share?
Capital One and Walmart Labs share 14 LeetCode interview questions. 33 problems appear only in Capital One's list and 130 appear only in Walmart Labs's list.
What topics overlap most between Capital One and Walmart Labs?
The most common shared topics between Capital One and Walmart Labs are Array (10 shared questions), Matrix (3 shared questions), Dynamic Programming (3 shared questions), String (3 shared questions), Stack (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Walmart Labs?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Capital One has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Capital One and Walmart Labs?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Walmart Labs-specific questions to round out your prep.