DoorDash vs Expedia Interview Questions
DoorDash lists 78 LeetCode interview questions while Expedia lists 64. They share 13 problems — 17% of DoorDash's bank and 20% of Expedia's. Focus on the overlap first, then drill into 65 DoorDash-only and 51 Expedia-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Expedia.
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 Expedia-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
13 Shared Questions
High-priority problems to practice for both DoorDash and Expedia.
| Problem | Difficulty |
|---|---|
| Koko Eating Bananas | Medium |
| Max Area of Island | Medium |
| Two Sum | Easy |
| Basic Calculator II | Medium |
| Sliding Window Maximum | Hard |
| Number of Islands | Medium |
| LRU Cache | Medium |
| Merge Intervals | Medium |
| Number of Visible People in a Queue | Hard |
| LFU Cache | Hard |
| Group Anagrams | Medium |
| Roman to Integer | Easy |
| Rotting Oranges | Medium |
Unique to DoorDash (65)
Problems in DoorDash's list that do not appear at Expedia.
Unique to Expedia (51)
Problems in Expedia's list that do not appear at DoorDash.
Frequently Asked Questions
How many LeetCode questions do DoorDash and Expedia share?
DoorDash and Expedia share 13 LeetCode interview questions. 65 problems appear only in DoorDash's list and 51 appear only in Expedia's list.
What topics overlap most between DoorDash and Expedia?
The most common shared topics between DoorDash and Expedia are Array (9 shared questions), Hash Table (5 shared questions), Breadth-First Search (3 shared questions), Matrix (3 shared questions), String (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Expedia?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Expedia has 13 Easy, 42 Medium, and 9 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Expedia?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Expedia-specific questions to round out your prep.