DE Shaw vs Ola Cabs Interview Questions
DE Shaw lists 105 LeetCode interview questions while Ola Cabs lists 24. They share 9 problems — 9% of DE Shaw's bank and 38% of Ola Cabs's. Focus on the overlap first, then drill into 96 DE Shaw-only and 15 Ola Cabs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DE Shaw and Ola Cabs.
Step 2 — Company-specific depth: Add DE Shaw-specific problems like Binary Tree Cameras, Find Minimum Cost to Remove Array Elements, Maximum Number of Subsequences After One Inserting and Ola Cabs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DE Shaw skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both DE Shaw and Ola Cabs.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| House Robber | Medium |
| Excel Sheet Column Title | Easy |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Unique Paths | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Container With Most Water | Medium |
| Two Sum | Easy |
Unique to DE Shaw (96)
Problems in DE Shaw's list that do not appear at Ola Cabs.
Unique to Ola Cabs (15)
Problems in Ola Cabs's list that do not appear at DE Shaw.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Validate Binary Search Tree | Medium |
| Group Anagrams | Medium |
| Binary Tree Maximum Path Sum | Hard |
| Longest Palindromic Substring | Medium |
| Climbing Stairs | Easy |
| Decode String | Medium |
| Alien Dictionary | Hard |
| 3Sum | Medium |
| Find Pivot Index | Easy |
| Find Minimum in Rotated Sorted Array | Medium |
| First Missing Positive | Hard |
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Ola Cabs share?
DE Shaw and Ola Cabs share 9 LeetCode interview questions. 96 problems appear only in DE Shaw's list and 15 appear only in Ola Cabs's list.
What topics overlap most between DE Shaw and Ola Cabs?
The most common shared topics between DE Shaw and Ola Cabs are Array (6 shared questions), Dynamic Programming (4 shared questions), Two Pointers (2 shared questions), Math (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Ola Cabs?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Ola Cabs has 5 Easy, 14 Medium, and 5 Hard questions. DE Shaw has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DE Shaw and Ola Cabs?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 15 Ola Cabs-specific questions to round out your prep.