JPMorgan vs Walmart Labs Interview Questions
JPMorgan lists 78 LeetCode interview questions while Walmart Labs lists 144. They share 25 problems — 32% of JPMorgan's bank and 17% of Walmart Labs's. Focus on the overlap first, then drill into 53 JPMorgan-only and 119 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 25 overlapping problems first. These are the highest-yield questions for candidates interviewing at both JPMorgan and Walmart Labs.
Step 2 — Company-specific depth: Add JPMorgan-specific problems like Count Binary Substrings, Minimum Swaps to Make Strings Equal, Determine Color of a Chessboard Square and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Walmart Labs skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
25 Shared Questions
High-priority problems to practice for both JPMorgan and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Group Anagrams | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Sliding Window Maximum | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Valid Parentheses | Easy |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Find Median from Data Stream | Hard |
| Coin Change | Medium |
| Degree of an Array | Easy |
| Top K Frequent Elements | Medium |
| Set Matrix Zeroes | Medium |
| Container With Most Water | Medium |
| Spiral Matrix | Medium |
| Find Peak Element | Medium |
| Maximum Subarray | Medium |
| Roman to Integer | Easy |
| First Unique Character in a String | Easy |
| Trapping Rain Water | Hard |
| Longest Consecutive Sequence | Medium |
| Daily Temperatures | Medium |
Unique to JPMorgan (53)
Problems in JPMorgan's list that do not appear at Walmart Labs.
Unique to Walmart Labs (119)
Problems in Walmart Labs's list that do not appear at JPMorgan.
Frequently Asked Questions
How many LeetCode questions do JPMorgan and Walmart Labs share?
JPMorgan and Walmart Labs share 25 LeetCode interview questions. 53 problems appear only in JPMorgan's list and 119 appear only in Walmart Labs's list.
What topics overlap most between JPMorgan and Walmart Labs?
The most common shared topics between JPMorgan and Walmart Labs are Array (17 shared questions), Hash Table (10 shared questions), String (6 shared questions), Dynamic Programming (6 shared questions), Sorting (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: JPMorgan or Walmart Labs?
JPMorgan has 25 Easy, 45 Medium, and 8 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Walmart Labs has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both JPMorgan and Walmart Labs?
Start with the 25 shared problems since they cover what both companies ask most often. Then add 20 JPMorgan-specific and 20 Walmart Labs-specific questions to round out your prep.