DoorDash vs Turing Interview Questions
DoorDash lists 78 LeetCode interview questions while Turing lists 37. They share 7 problems — 9% of DoorDash's bank and 19% of Turing's. Focus on the overlap first, then drill into 71 DoorDash-only and 30 Turing-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Turing.
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 Turing-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
7 Shared Questions
High-priority problems to practice for both DoorDash and Turing.
| Problem | Difficulty |
|---|---|
| Koko Eating Bananas | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Jump Game | Medium |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
Unique to DoorDash (71)
Problems in DoorDash's list that do not appear at Turing.
Unique to Turing (30)
Problems in Turing's list that do not appear at DoorDash.
Frequently Asked Questions
How many LeetCode questions do DoorDash and Turing share?
DoorDash and Turing share 7 LeetCode interview questions. 71 problems appear only in DoorDash's list and 30 appear only in Turing's list.
What topics overlap most between DoorDash and Turing?
The most common shared topics between DoorDash and Turing are Array (6 shared questions), Hash Table (2 shared questions), Dynamic Programming (2 shared questions), Sorting (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Turing?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Turing has 10 Easy, 23 Medium, and 4 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Turing?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Turing-specific questions to round out your prep.