Pinterest vs Walmart Labs Interview Questions
Pinterest lists 49 LeetCode interview questions while Walmart Labs lists 144. They share 10 problems — 20% of Pinterest's bank and 7% of Walmart Labs's. Focus on the overlap first, then drill into 39 Pinterest-only and 134 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Pinterest and Walmart Labs.
Step 2 — Company-specific depth: Add Pinterest-specific problems like Count and Say, Shortest Path in a Grid with Obstacles Elimination, Optimal Account Balancing and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Pinterest skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both Pinterest and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Reconstruct Itinerary | Hard |
| Bus Routes | Hard |
| Find Median from Data Stream | Hard |
| Coin Change | Medium |
| Meeting Rooms III | Hard |
| Combination Sum | Medium |
| Top K Frequent Elements | Medium |
| Meeting Rooms II | Medium |
| Number of Islands | Medium |
| The Maze | Medium |
Unique to Pinterest (39)
Problems in Pinterest's list that do not appear at Walmart Labs.
Unique to Walmart Labs (134)
Problems in Walmart Labs's list that do not appear at Pinterest.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| LRU Cache | Medium |
| Valid Parentheses | Easy |
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Generate Parentheses | Medium |
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Divide Intervals Into Minimum Number of Groups | Medium |
| Middle of the Linked List | Easy |
| Maximum Number of Tasks You Can Assign | Hard |
| The Winner University | Easy |
Frequently Asked Questions
How many LeetCode questions do Pinterest and Walmart Labs share?
Pinterest and Walmart Labs share 10 LeetCode interview questions. 39 problems appear only in Pinterest's list and 134 appear only in Walmart Labs's list.
What topics overlap most between Pinterest and Walmart Labs?
The most common shared topics between Pinterest and Walmart Labs are Array (8 shared questions), Breadth-First Search (4 shared questions), Sorting (4 shared questions), Heap (Priority Queue) (4 shared questions), Depth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Pinterest or Walmart Labs?
Pinterest has 1 Easy, 29 Medium, and 19 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Pinterest has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Pinterest and Walmart Labs?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Pinterest-specific and 20 Walmart Labs-specific questions to round out your prep.