PhonePe vs Waymo Interview Questions
PhonePe lists 93 LeetCode interview questions while Waymo lists 25. They share 4 problems — 4% of PhonePe's bank and 16% of Waymo's. Focus on the overlap first, then drill into 89 PhonePe-only and 21 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PhonePe and Waymo.
Step 2 — Company-specific depth: Add PhonePe-specific problems like Frog Jump, Burst Balloons, Decoded String at Index 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
4 Shared Questions
High-priority problems to practice for both PhonePe and Waymo.
| Problem | Difficulty |
|---|---|
| Largest Rectangle in Histogram | Hard |
| Number of Islands II | Hard |
| Alien Dictionary | Hard |
| Number of Islands | Medium |
Unique to PhonePe (89)
Problems in PhonePe's list that do not appear at Waymo.
Unique to Waymo (21)
Problems in Waymo's list that do not appear at PhonePe.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Random Pick with Weight | Medium |
| Logger Rate Limiter | Easy |
| Number of Visible People in a Queue | Hard |
| Meeting Rooms II | Medium |
| Minimum Number of Refueling Stops | Hard |
| Minimum Knight Moves | Medium |
| Minimum Area Rectangle | Medium |
| Design Excel Sum Formula | Hard |
| Design Tic-Tac-Toe | Medium |
| Shortest Distance from All Buildings | Hard |
| Maximum Gap | Medium |
Frequently Asked Questions
How many LeetCode questions do PhonePe and Waymo share?
PhonePe and Waymo share 4 LeetCode interview questions. 89 problems appear only in PhonePe's list and 21 appear only in Waymo's list.
What topics overlap most between PhonePe and Waymo?
The most common shared topics between PhonePe and Waymo are Array (4 shared questions), Union Find (2 shared questions), Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PhonePe or Waymo?
PhonePe has 2 Easy, 58 Medium, and 33 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 PhonePe and Waymo?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 PhonePe-specific and 20 Waymo-specific questions to round out your prep.