Snapchat vs Walmart Labs Interview Questions
Snapchat lists 99 LeetCode interview questions while Walmart Labs lists 144. They share 34 problems — 34% of Snapchat's bank and 24% of Walmart Labs's. Focus on the overlap first, then drill into 65 Snapchat-only and 110 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 34 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snapchat and Walmart Labs.
Step 2 — Company-specific depth: Add Snapchat-specific problems like Sudoku Solver, Unique Binary Search Trees, Word Ladder and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snapchat skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
34 Shared Questions
High-priority problems to practice for both Snapchat and Walmart Labs.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Minimum Window Substring | Hard |
| Min Stack | Medium |
| Number of Islands | Medium |
| Basic Calculator II | Medium |
| Remove K Digits | Medium |
| Bus Routes | Hard |
| Number of Distinct Islands | Medium |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Merge Intervals | Medium |
| Top K Frequent Elements | Medium |
| Decode Ways | Medium |
| Median of Two Sorted Arrays | Hard |
| Word Search | Medium |
| Minimum Remove to Make Valid Parentheses | Medium |
| Product of Array Except Self | Medium |
| LFU Cache | Hard |
| Basic Calculator | Hard |
| Edit Distance | Medium |
| Cheapest Flights Within K Stops | Medium |
| Group Anagrams | Medium |
| The Maze | Medium |
| Search in Rotated Sorted Array | Medium |
| Add Binary | Easy |
Showing top 30 of 34 shared problems.
Unique to Snapchat (65)
Problems in Snapchat's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Sudoku Solver | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Reverse Words in a String | Medium |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
| Game of Life | Medium |
| Burst Balloons | Hard |
| Binary Tree Vertical Order Traversal | Medium |
Unique to Walmart Labs (110)
Problems in Walmart Labs's list that do not appear at Snapchat.
Frequently Asked Questions
How many LeetCode questions do Snapchat and Walmart Labs share?
Snapchat and Walmart Labs share 34 LeetCode interview questions. 65 problems appear only in Snapchat's list and 110 appear only in Walmart Labs's list.
What topics overlap most between Snapchat and Walmart Labs?
The most common shared topics between Snapchat and Walmart Labs are Array (12 shared questions), String (11 shared questions), Hash Table (7 shared questions), Stack (5 shared questions), Depth-First Search (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snapchat or Walmart Labs?
Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snapchat and Walmart Labs?
Start with the 34 shared problems since they cover what both companies ask most often. Then add 20 Snapchat-specific and 20 Walmart Labs-specific questions to round out your prep.