DoorDash vs Yahoo Interview Questions
DoorDash lists 78 LeetCode interview questions while Yahoo lists 34. They share 4 problems — 5% of DoorDash's bank and 12% of Yahoo's. Focus on the overlap first, then drill into 74 DoorDash-only and 30 Yahoo-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 DoorDash and Yahoo.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Walls and Gates, Longest Increasing Path in a Matrix, Binary Tree Maximum Path Sum and Yahoo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DoorDash 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 DoorDash and Yahoo.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| LRU Cache | Medium |
| Roman to Integer | Easy |
Unique to DoorDash (74)
Problems in DoorDash's list that do not appear at Yahoo.
Unique to Yahoo (30)
Problems in Yahoo's list that do not appear at DoorDash.
| Problem | Difficulty |
|---|---|
| Maximum Depth of Binary Tree | Easy |
| Reverse Linked List | Easy |
| Contains Duplicate | Easy |
| Largest Palindrome Product | Hard |
| Median of Two Sorted Arrays | Hard |
| Word Break | Medium |
| Linked List Cycle | Easy |
| Matrix Cells in Distance Order | Easy |
| Non-decreasing Subsequences | Medium |
| Maximum Distance in Arrays | Medium |
| Binary Number with Alternating Bits | Easy |
| Peeking Iterator | Medium |
Frequently Asked Questions
How many LeetCode questions do DoorDash and Yahoo share?
DoorDash and Yahoo share 4 LeetCode interview questions. 74 problems appear only in DoorDash's list and 30 appear only in Yahoo's list.
What topics overlap most between DoorDash and Yahoo?
The most common shared topics between DoorDash and Yahoo are Hash Table (3 shared questions), String (2 shared questions), Design (2 shared questions), Array (1 shared questions), Tree (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Yahoo?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Yahoo?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Yahoo-specific questions to round out your prep.