DoorDash vs Ola Cabs Interview Questions
DoorDash lists 78 LeetCode interview questions while Ola Cabs lists 24. They share 6 problems — 8% of DoorDash's bank and 25% of Ola Cabs's. Focus on the overlap first, then drill into 72 DoorDash-only and 18 Ola Cabs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Ola Cabs.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Walls and Gates, Longest Increasing Path in a Matrix, Search Suggestions System and Ola Cabs-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
6 Shared Questions
High-priority problems to practice for both DoorDash and Ola Cabs.
| Problem | Difficulty |
|---|---|
| Binary Tree Maximum Path Sum | Hard |
| Two Sum | Easy |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| Add Two Numbers | Medium |
Unique to DoorDash (72)
Problems in DoorDash's list that do not appear at Ola Cabs.
Unique to Ola Cabs (18)
Problems in Ola Cabs's list that do not appear at DoorDash.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Validate Binary Search Tree | Medium |
| Climbing Stairs | Easy |
| House Robber | Medium |
| Decode String | Medium |
| Container With Most Water | Medium |
| Alien Dictionary | Hard |
| 3Sum | Medium |
| Find Pivot Index | Easy |
| Find Minimum in Rotated Sorted Array | Medium |
| Excel Sheet Column Title | Easy |
Frequently Asked Questions
How many LeetCode questions do DoorDash and Ola Cabs share?
DoorDash and Ola Cabs share 6 LeetCode interview questions. 72 problems appear only in DoorDash's list and 18 appear only in Ola Cabs's list.
What topics overlap most between DoorDash and Ola Cabs?
The most common shared topics between DoorDash and Ola Cabs are Array (3 shared questions), Dynamic Programming (2 shared questions), Depth-First Search (2 shared questions), Hash Table (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Ola Cabs?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Ola Cabs has 5 Easy, 14 Medium, and 5 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Ola Cabs?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 18 Ola Cabs-specific questions to round out your prep.