DoorDash vs Yandex Interview Questions
DoorDash lists 78 LeetCode interview questions while Yandex lists 128. They share 17 problems — 22% of DoorDash's bank and 13% of Yandex's. Focus on the overlap first, then drill into 61 DoorDash-only and 111 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Yandex.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Walls and Gates, Longest Increasing Path in a Matrix, Search Suggestions System and Yandex-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
17 Shared Questions
High-priority problems to practice for both DoorDash and Yandex.
| Problem | Difficulty |
|---|---|
| Binary Tree Maximum Path Sum | Hard |
| Find K Closest Elements | Medium |
| Interval List Intersections | Medium |
| Minimum Size Subarray Sum | Medium |
| Two Sum | Easy |
| Basic Calculator II | Medium |
| Sliding Window Maximum | Hard |
| Number of Islands | Medium |
| LRU Cache | Medium |
| 4Sum | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| Rotting Oranges | Medium |
| Add Two Numbers | Medium |
Unique to DoorDash (61)
Problems in DoorDash's list that do not appear at Yandex.
Unique to Yandex (111)
Problems in Yandex's list that do not appear at DoorDash.
| Problem | Difficulty |
|---|---|
| Longest Subarray of 1's After Deleting One Element | Medium |
| Summary Ranges | Easy |
| Maximize Distance to Closest Person | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Subarray Sum Equals K | Medium |
| String Compression | Medium |
| Valid Palindrome II | Easy |
| Move Zeroes | Easy |
| One Edit Distance | Medium |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
| Line Reflection | Medium |
Frequently Asked Questions
How many LeetCode questions do DoorDash and Yandex share?
DoorDash and Yandex share 17 LeetCode interview questions. 61 problems appear only in DoorDash's list and 111 appear only in Yandex's list.
What topics overlap most between DoorDash and Yandex?
The most common shared topics between DoorDash and Yandex are Array (11 shared questions), Two Pointers (4 shared questions), Sorting (4 shared questions), Hash Table (4 shared questions), Sliding Window (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Yandex?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Yandex?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Yandex-specific questions to round out your prep.