DoorDash vs Visa Interview Questions
DoorDash lists 78 LeetCode interview questions while Visa lists 146. They share 16 problems — 21% of DoorDash's bank and 11% of Visa's. Focus on the overlap first, then drill into 62 DoorDash-only and 130 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Visa.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Longest Increasing Path in a Matrix, Binary Tree Maximum Path Sum, Search Suggestions System and Visa-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
16 Shared Questions
High-priority problems to practice for both DoorDash and Visa.
| Problem | Difficulty |
|---|---|
| Walls and Gates | Medium |
| Count Nodes With the Highest Score | Medium |
| Largest Rectangle in Histogram | Hard |
| Two Sum | Easy |
| Longest Common Subsequence | Medium |
| Word Search II | Hard |
| Sliding Window Maximum | Hard |
| Number of Islands | Medium |
| Course Schedule | Medium |
| LRU Cache | Medium |
| Merge Intervals | Medium |
| LFU Cache | Hard |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| Diameter of Binary Tree | Easy |
| Rotting Oranges | Medium |
Unique to DoorDash (62)
Problems in DoorDash's list that do not appear at Visa.
Unique to Visa (130)
Problems in Visa's list that do not appear at DoorDash.
Frequently Asked Questions
How many LeetCode questions do DoorDash and Visa share?
DoorDash and Visa share 16 LeetCode interview questions. 62 problems appear only in DoorDash's list and 130 appear only in Visa's list.
What topics overlap most between DoorDash and Visa?
The most common shared topics between DoorDash and Visa are Array (10 shared questions), Breadth-First Search (4 shared questions), Matrix (4 shared questions), Depth-First Search (4 shared questions), Hash Table (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Visa?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Visa?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Visa-specific questions to round out your prep.