DoorDash vs Google Interview Questions
DoorDash lists 78 LeetCode interview questions while Google lists 2,305. They share 71 problems — 91% of DoorDash's bank and 3% of Google's. Focus on the overlap first, then drill into 7 DoorDash-only and 2,234 Google-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 71 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Google.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Count Nodes With the Highest Score, Mice and Cheese, Immediate Food Delivery I and Google-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
71 Shared Questions
High-priority problems to practice for both DoorDash and Google.
Showing top 30 of 71 shared problems.
Unique to DoorDash (7)
Problems in DoorDash's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Count Nodes With the Highest Score | Medium |
| Mice and Cheese | Medium |
| Immediate Food Delivery I | Easy |
| Subsequence With the Minimum Score | Hard |
| Ways to Make a Fair Array | Medium |
| Shortest Path to Get Food | Medium |
| Find Edges in Shortest Paths | Hard |
Unique to Google (2,234)
Problems in Google's list that do not appear at DoorDash.
| Problem | Difficulty |
|---|---|
| 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 |
| Longest Consecutive Sequence | Medium |
| Container With Most Water | Medium |
Frequently Asked Questions
How many LeetCode questions do DoorDash and Google share?
DoorDash and Google share 71 LeetCode interview questions. 7 problems appear only in DoorDash's list and 2234 appear only in Google's list.
What topics overlap most between DoorDash and Google?
The most common shared topics between DoorDash and Google are Array (16 shared questions), String (10 shared questions), Breadth-First Search (7 shared questions), Sorting (7 shared questions), Hash Table (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Google?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Google has 601 Easy, 1205 Medium, and 499 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Google?
Start with the 71 shared problems since they cover what both companies ask most often. Then add 7 DoorDash-specific and 20 Google-specific questions to round out your prep.