Oracle vs Waymo Interview Questions
Oracle lists 314 LeetCode interview questions while Waymo lists 25. They share 10 problems — 3% of Oracle's bank and 40% of Waymo's. Focus on the overlap first, then drill into 304 Oracle-only and 15 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Waymo.
Step 2 — Company-specific depth: Add Oracle-specific problems like LRU Cache, Longest Substring Without Repeating Characters, Two Sum 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
10 Shared Questions
High-priority problems to practice for both Oracle and Waymo.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Meeting Rooms II | Medium |
| Logger Rate Limiter | Easy |
| Number of Visible People in a Queue | Hard |
| Regular Expression Matching | Hard |
| Maximum Earnings From Taxi | Medium |
| Text Justification | Hard |
| Find Peak Element | Medium |
| Largest Rectangle in Histogram | Hard |
| Minimum Knight Moves | Medium |
Unique to Oracle (304)
Problems in Oracle's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
Unique to Waymo (15)
Problems in Waymo's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Random Pick with Weight | Medium |
| Minimum Number of Refueling Stops | Hard |
| Minimum Area Rectangle | 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 |
| Path With Minimum Effort | Medium |
| Alien Dictionary | Hard |
| Range Sum Query 2D - Immutable | Medium |
Frequently Asked Questions
How many LeetCode questions do Oracle and Waymo share?
Oracle and Waymo share 10 LeetCode interview questions. 304 problems appear only in Oracle's list and 15 appear only in Waymo's list.
What topics overlap most between Oracle and Waymo?
The most common shared topics between Oracle and Waymo are Array (7 shared questions), Breadth-First Search (2 shared questions), Sorting (2 shared questions), Hash Table (2 shared questions), Stack (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Waymo?
Oracle has 61 Easy, 194 Medium, and 59 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 Oracle and Waymo?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 15 Waymo-specific questions to round out your prep.