Snap vs Waymo Interview Questions
Snap lists 84 LeetCode interview questions while Waymo lists 25. They share 5 problems — 6% of Snap's bank and 20% of Waymo's. Focus on the overlap first, then drill into 79 Snap-only and 20 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snap and Waymo.
Step 2 — Company-specific depth: Add Snap-specific problems like LRU Cache, Word Ladder, Minimum Window Substring 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
5 Shared Questions
High-priority problems to practice for both Snap and Waymo.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Number of Islands | Medium |
| Alien Dictionary | Hard |
| Minimum Area Rectangle | Medium |
| Random Pick with Weight | Medium |
Unique to Snap (79)
Problems in Snap's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| Design Log Storage System | Medium |
| Making A Large Island | Hard |
| Number of Distinct Islands | Medium |
| Bus Routes | Hard |
| Word Break II | Hard |
| Basic Calculator II | Medium |
| Combination Sum | Medium |
| Reverse Words in a String | Medium |
| Bricks Falling When Hit | Hard |
Unique to Waymo (20)
Problems in Waymo's list that do not appear at Snap.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Logger Rate Limiter | Easy |
| Number of Visible People in a Queue | Hard |
| Minimum Number of Refueling Stops | Hard |
| Minimum Knight Moves | Medium |
| Design Excel Sum Formula | Hard |
| Design Tic-Tac-Toe | Medium |
| Shortest Distance from All Buildings | Hard |
| Maximum Gap | Medium |
| Divide Array in Sets of K Consecutive Numbers | Medium |
| Find Peak Element | Medium |
| Text Justification | Hard |
Frequently Asked Questions
How many LeetCode questions do Snap and Waymo share?
Snap and Waymo share 5 LeetCode interview questions. 79 problems appear only in Snap's list and 20 appear only in Waymo's list.
What topics overlap most between Snap and Waymo?
The most common shared topics between Snap and Waymo are Array (5 shared questions), Sorting (2 shared questions), Prefix Sum (2 shared questions), Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snap or Waymo?
Snap has 5 Easy, 52 Medium, and 27 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 Snap and Waymo?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Snap-specific and 20 Waymo-specific questions to round out your prep.