Meta vs Walmart Labs Interview Questions
Meta lists 217 LeetCode interview questions while Walmart Labs lists 144. They share 78 problems — 36% of Meta's bank and 54% of Walmart Labs's. Focus on the overlap first, then drill into 139 Meta-only and 66 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 78 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Meta and Walmart Labs.
Step 2 — Company-specific depth: Add Meta-specific problems like Valid Word Abbreviation, Binary Tree Vertical Order Traversal, Valid Palindrome II 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
78 Shared Questions
High-priority problems to practice for both Meta and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Minimum Remove to Make Valid Parentheses | Medium |
| Kth Largest Element in an Array | Medium |
| Pow(x, n) | Medium |
| Binary Tree Right Side View | Medium |
| Merge Intervals | Medium |
| Basic Calculator II | Medium |
| Two Sum | Easy |
| Find Peak Element | Medium |
| Diameter of Binary Tree | Easy |
| Next Permutation | Medium |
| Top K Frequent Elements | Medium |
| Merge k Sorted Lists | Hard |
| 3Sum | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Subarray Sum Equals K | Medium |
| Valid Parentheses | Easy |
| Valid Palindrome | Easy |
| Minimum Window Substring | Hard |
| Copy List with Random Pointer | Medium |
| Longest Common Prefix | Easy |
| Subsets | Medium |
| Remove Nth Node From End of List | Medium |
| Longest Substring Without Repeating Characters | Medium |
| LRU Cache | Medium |
| Trapping Rain Water | Hard |
| Longest Palindromic Substring | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Search in Rotated Sorted Array | Medium |
| Roman to Integer | Easy |
Showing top 30 of 78 shared problems.
Unique to Meta (139)
Problems in Meta's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Valid Word Abbreviation | Easy |
| Binary Tree Vertical Order Traversal | Medium |
| Valid Palindrome II | Easy |
| Lowest Common Ancestor of a Binary Tree III | Medium |
| Merge Sorted Array | Easy |
| Simplify Path | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Nested List Weight Sum | Medium |
| Random Pick with Weight | Medium |
| Sum Root to Leaf Numbers | Medium |
| Buildings With an Ocean View | Medium |
| Custom Sort String | Medium |
Unique to Walmart Labs (66)
Problems in Walmart Labs's list that do not appear at Meta.
Frequently Asked Questions
How many LeetCode questions do Meta and Walmart Labs share?
Meta and Walmart Labs share 78 LeetCode interview questions. 139 problems appear only in Meta's list and 66 appear only in Walmart Labs's list.
What topics overlap most between Meta and Walmart Labs?
The most common shared topics between Meta and Walmart Labs are Array (14 shared questions), String (9 shared questions), Hash Table (8 shared questions), Two Pointers (7 shared questions), Stack (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Meta or Walmart Labs?
Meta has 52 Easy, 132 Medium, and 33 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 Meta and Walmart Labs?
Start with the 78 shared problems since they cover what both companies ask most often. Then add 20 Meta-specific and 20 Walmart Labs-specific questions to round out your prep.