PayPal vs Walmart Labs Interview Questions
PayPal lists 105 LeetCode interview questions while Walmart Labs lists 144. They share 46 problems — 44% of PayPal's bank and 32% of Walmart Labs's. Focus on the overlap first, then drill into 59 PayPal-only and 98 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 46 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PayPal and Walmart Labs.
Step 2 — Company-specific depth: Add PayPal-specific problems like Minimum Absolute Difference, Count Vowel Strings in Ranges, Find Words That Can Be Formed by Characters 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
46 Shared Questions
High-priority problems to practice for both PayPal and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Zigzag Conversion | Medium |
| Longest Increasing Subsequence | Medium |
| LRU Cache | Medium |
| Number of Islands | Medium |
| Word Search | Medium |
| Product of Array Except Self | Medium |
| Coin Change | Medium |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Search in Rotated Sorted Array | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Find Median from Data Stream | Hard |
| Maximum Subarray | Medium |
| House Robber | Medium |
| Asteroid Collision | Medium |
| Top K Frequent Elements | Medium |
| Longest Consecutive Sequence | Medium |
| Subarray Sum Equals K | Medium |
| Palindromic Substrings | Medium |
| Valid Sudoku | Medium |
| Spiral Matrix | Medium |
| Degree of an Array | Easy |
| Find Peak Element | Medium |
| Subsets | Medium |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| LFU Cache | Hard |
| Trapping Rain Water | Hard |
Showing top 30 of 46 shared problems.
Unique to PayPal (59)
Problems in PayPal's list that do not appear at Walmart Labs.
Unique to Walmart Labs (98)
Problems in Walmart Labs's list that do not appear at PayPal.
Frequently Asked Questions
How many LeetCode questions do PayPal and Walmart Labs share?
PayPal and Walmart Labs share 46 LeetCode interview questions. 59 problems appear only in PayPal's list and 98 appear only in Walmart Labs's list.
What topics overlap most between PayPal and Walmart Labs?
The most common shared topics between PayPal and Walmart Labs are Array (23 shared questions), Hash Table (10 shared questions), Dynamic Programming (7 shared questions), String (6 shared questions), Matrix (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PayPal or Walmart Labs?
PayPal has 19 Easy, 69 Medium, and 17 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 PayPal and Walmart Labs?
Start with the 46 shared problems since they cover what both companies ask most often. Then add 20 PayPal-specific and 20 Walmart Labs-specific questions to round out your prep.