TikTok vs Waymo Interview Questions
TikTok lists 351 LeetCode interview questions while Waymo lists 25. They share 13 problems — 4% of TikTok's bank and 52% of Waymo's. Focus on the overlap first, then drill into 338 TikTok-only and 12 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TikTok and Waymo.
Step 2 — Company-specific depth: Add TikTok-specific problems like LRU Cache, Longest Increasing Subsequence, Longest Substring Without Repeating Characters and Waymo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Waymo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both TikTok and Waymo.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Meeting Rooms II | Medium |
| Text Justification | Hard |
| Find Peak Element | Medium |
| Regular Expression Matching | Hard |
| Alien Dictionary | Hard |
| Random Pick with Weight | Medium |
| Largest Rectangle in Histogram | Hard |
| Design Tic-Tac-Toe | Medium |
| Number of Visible People in a Queue | Hard |
| Robot Room Cleaner | Hard |
| Number of Islands II | Hard |
| Shortest Distance from All Buildings | Hard |
Unique to TikTok (338)
Problems in TikTok's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Increasing Subsequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Distinct Islands | Medium |
| Course Schedule II | Medium |
| Merge Intervals | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Decode String | Medium |
| Word Search | Medium |
| Longest Palindromic Substring | Medium |
Unique to Waymo (12)
Problems in Waymo's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Logger Rate Limiter | Easy |
| Minimum Number of Refueling Stops | Hard |
| Minimum Knight Moves | Medium |
| Minimum Area Rectangle | Medium |
| Design Excel Sum Formula | Hard |
| Maximum Gap | Medium |
| Divide Array in Sets of K Consecutive Numbers | Medium |
| Path With Minimum Effort | Medium |
| Maximum Earnings From Taxi | Medium |
| Range Sum Query 2D - Immutable | Medium |
| Car Fleet | Medium |
Frequently Asked Questions
How many LeetCode questions do TikTok and Waymo share?
TikTok and Waymo share 13 LeetCode interview questions. 338 problems appear only in TikTok's list and 12 appear only in Waymo's list.
What topics overlap most between TikTok and Waymo?
The most common shared topics between TikTok and Waymo are Array (11 shared questions), Breadth-First Search (3 shared questions), Matrix (3 shared questions), String (3 shared questions), Depth-First Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TikTok or Waymo?
TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Waymo has 1 Easy, 13 Medium, and 11 Hard questions. Waymo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TikTok and Waymo?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 TikTok-specific and 12 Waymo-specific questions to round out your prep.