Google vs Waymo Interview Questions
Google lists 2,305 LeetCode interview questions while Waymo lists 25. They share 24 problems — 1% of Google's bank and 96% of Waymo's. Focus on the overlap first, then drill into 2,281 Google-only and 1 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and Waymo.
Step 2 — Company-specific depth: Add Google-specific problems like Two Sum, Add Two Numbers, Trapping Rain Water 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
24 Shared Questions
High-priority problems to practice for both Google and Waymo.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Meeting Rooms II | Medium |
| Largest Rectangle in Histogram | Hard |
| Find Peak Element | Medium |
| Logger Rate Limiter | Easy |
| Regular Expression Matching | Hard |
| Number of Visible People in a Queue | Hard |
| Text Justification | Hard |
| Minimum Area Rectangle | Medium |
| Random Pick with Weight | Medium |
| Number of Islands II | Hard |
| Path With Minimum Effort | Medium |
| Alien Dictionary | Hard |
| Car Fleet | Medium |
| Divide Array in Sets of K Consecutive Numbers | Medium |
| Range Sum Query 2D - Immutable | Medium |
| Robot Room Cleaner | Hard |
| Max Points on a Line | Hard |
| Shortest Distance from All Buildings | Hard |
| Minimum Knight Moves | Medium |
| Design Tic-Tac-Toe | Medium |
| Minimum Number of Refueling Stops | Hard |
| Maximum Gap | Medium |
| Design Excel Sum Formula | Hard |
Unique to Google (2,281)
Problems in Google's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
Unique to Waymo (1)
Problems in Waymo's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Maximum Earnings From Taxi | Medium |
Frequently Asked Questions
How many LeetCode questions do Google and Waymo share?
Google and Waymo share 24 LeetCode interview questions. 2281 problems appear only in Google's list and 1 appear only in Waymo's list.
What topics overlap most between Google and Waymo?
The most common shared topics between Google and Waymo are Array (20 shared questions), Hash Table (7 shared questions), Matrix (6 shared questions), Breadth-First Search (5 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or Waymo?
Google has 601 Easy, 1205 Medium, and 499 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 Google and Waymo?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 1 Waymo-specific questions to round out your prep.