TikTok vs Walmart Labs Interview Questions
TikTok lists 351 LeetCode interview questions while Walmart Labs lists 144. They share 91 problems — 26% of TikTok's bank and 63% of Walmart Labs's. Focus on the overlap first, then drill into 260 TikTok-only and 53 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 91 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TikTok and Walmart Labs.
Step 2 — Company-specific depth: Add TikTok-specific problems like Subarray With Elements Greater Than Varying Threshold, Text Justification, N-Queens and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
91 Shared Questions
High-priority problems to practice for both TikTok and Walmart Labs.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Merge Intervals | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Decode String | Medium |
| Word Search | Medium |
| Longest Palindromic Substring | Medium |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
| Subarray Sum Equals K | Medium |
| Top K Frequent Elements | Medium |
| 3Sum | Medium |
| Coin Change | Medium |
| Spiral Matrix | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Merge k Sorted Lists | Hard |
| Longest Consecutive Sequence | Medium |
| Kth Largest Element in an Array | Medium |
| House Robber | Medium |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Two Sum | Easy |
| Generate Parentheses | Medium |
| Sort Colors | Medium |
Showing top 30 of 91 shared problems.
Unique to TikTok (260)
Problems in TikTok's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| N-Queens | Hard |
| Minimum Swaps to Group All 1's Together | Medium |
| Sqrt(x) | Easy |
| Making A Large Island | Hard |
| Maximum Value at a Given Index in a Bounded Array | Medium |
| Maximum Swap | Medium |
| Longest Happy String | Medium |
| Basic Calculator III | Hard |
| Snapshot Array | Medium |
| Word Ladder | Hard |
Unique to Walmart Labs (53)
Problems in Walmart Labs's list that do not appear at TikTok.
Frequently Asked Questions
How many LeetCode questions do TikTok and Walmart Labs share?
TikTok and Walmart Labs share 91 LeetCode interview questions. 260 problems appear only in TikTok's list and 53 appear only in Walmart Labs's list.
What topics overlap most between TikTok and Walmart Labs?
The most common shared topics between TikTok and Walmart Labs are Array (19 shared questions), Hash Table (8 shared questions), String (8 shared questions), Dynamic Programming (7 shared questions), Sorting (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TikTok or Walmart Labs?
TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TikTok and Walmart Labs?
Start with the 91 shared problems since they cover what both companies ask most often. Then add 20 TikTok-specific and 20 Walmart Labs-specific questions to round out your prep.