Google vs Walmart Labs Interview Questions
Google lists 2,305 LeetCode interview questions while Walmart Labs lists 144. They share 135 problems — 6% of Google's bank and 94% of Walmart Labs's. Focus on the overlap first, then drill into 2,170 Google-only and 9 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 135 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and Walmart Labs.
Step 2 — Company-specific depth: Add Google-specific problems like Add Two Numbers, Palindrome Number, Merge Sorted Array and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Google skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
135 Shared Questions
High-priority problems to practice for both Google and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Longest Common Prefix | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Longest Palindromic Substring | Medium |
| Longest Consecutive Sequence | Medium |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| Roman to Integer | Easy |
| Merge Intervals | Medium |
| Number of Islands | Medium |
| Maximum Subarray | Medium |
| Reverse Integer | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Subarray Sum Equals K | Medium |
| Next Permutation | Medium |
| Generate Parentheses | Medium |
| Spiral Matrix | Medium |
| Meeting Rooms II | Medium |
| Decode String | Medium |
| Search in Rotated Sorted Array | Medium |
| Move Zeroes | Easy |
| LRU Cache | Medium |
| Largest Rectangle in Histogram | Hard |
| Jump Game | Medium |
| Top K Frequent Elements | Medium |
| Find Peak Element | Medium |
Showing top 30 of 135 shared problems.
Unique to Google (2,170)
Problems in Google's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Recyclable and Low Fat Products | Easy |
| Majority Element | Easy |
| Climbing Stairs | Easy |
| Merge Two Sorted Lists | Easy |
| Reverse Linked List | Easy |
| Add Two Integers | Easy |
| Koko Eating Bananas | Medium |
Unique to Walmart Labs (9)
Problems in Walmart Labs's list that do not appear at Google.
Frequently Asked Questions
How many LeetCode questions do Google and Walmart Labs share?
Google and Walmart Labs share 135 LeetCode interview questions. 2170 problems appear only in Google's list and 9 appear only in Walmart Labs's list.
What topics overlap most between Google and Walmart Labs?
The most common shared topics between Google and Walmart Labs are Array (22 shared questions), Two Pointers (8 shared questions), Hash Table (7 shared questions), String (7 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or Walmart Labs?
Google has 601 Easy, 1205 Medium, and 499 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Google has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Google and Walmart Labs?
Start with the 135 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 9 Walmart Labs-specific questions to round out your prep.