DoorDash vs NVIDIA Interview Questions
DoorDash lists 78 LeetCode interview questions while NVIDIA lists 136. They share 22 problems — 28% of DoorDash's bank and 16% of NVIDIA's. Focus on the overlap first, then drill into 56 DoorDash-only and 114 NVIDIA-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 22 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and NVIDIA.
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 NVIDIA-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
22 Shared Questions
High-priority problems to practice for both DoorDash and NVIDIA.
| Problem | Difficulty |
|---|---|
| Koko Eating Bananas | Medium |
| Find K Closest Elements | Medium |
| Course Schedule II | Medium |
| Minimum Size Subarray Sum | Medium |
| Two Sum | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Asteroid Collision | Medium |
| Sliding Window Maximum | Hard |
| Number of Islands | Medium |
| Course Schedule | Medium |
| Jump Game | Medium |
| LRU Cache | Medium |
| 4Sum | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Number of Visible People in a Queue | Hard |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| Diameter of Binary Tree | Easy |
| Rotting Oranges | Medium |
| Add Two Numbers | Medium |
Unique to DoorDash (56)
Problems in DoorDash's list that do not appear at NVIDIA.
Unique to NVIDIA (114)
Problems in NVIDIA's list that do not appear at DoorDash.
Frequently Asked Questions
How many LeetCode questions do DoorDash and NVIDIA share?
DoorDash and NVIDIA share 22 LeetCode interview questions. 56 problems appear only in DoorDash's list and 114 appear only in NVIDIA's list.
What topics overlap most between DoorDash and NVIDIA?
The most common shared topics between DoorDash and NVIDIA are Array (14 shared questions), Depth-First Search (5 shared questions), Breadth-First Search (5 shared questions), Sorting (4 shared questions), Hash Table (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or NVIDIA?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and NVIDIA?
Start with the 22 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 NVIDIA-specific questions to round out your prep.