Ola Cabs vs Walmart Labs Interview Questions
Ola Cabs lists 24 LeetCode interview questions while Walmart Labs lists 144. They share 13 problems — 54% of Ola Cabs's bank and 9% of Walmart Labs's. Focus on the overlap first, then drill into 11 Ola Cabs-only and 131 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Ola Cabs and Walmart Labs.
Step 2 — Company-specific depth: Add Ola Cabs-specific problems like Add Two Numbers, Validate Binary Search Tree, Binary Tree Maximum Path Sum and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Ola Cabs skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Ola Cabs and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| House Robber | Medium |
| Number of Islands | Medium |
| Decode String | Medium |
| Container With Most Water | Medium |
| 3Sum | Medium |
| Find Minimum in Rotated Sorted Array | Medium |
| First Missing Positive | Hard |
| Best Time to Buy and Sell Stock | Easy |
Unique to Ola Cabs (11)
Problems in Ola Cabs's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Validate Binary Search Tree | Medium |
| Binary Tree Maximum Path Sum | Hard |
| Climbing Stairs | Easy |
| Alien Dictionary | Hard |
| Find Pivot Index | Easy |
| Excel Sheet Column Title | Easy |
| Delete Node in a Linked List | Medium |
| All Nodes Distance K in Binary Tree | Medium |
| Unique Paths | Medium |
| Word Ladder | Hard |
Unique to Walmart Labs (131)
Problems in Walmart Labs's list that do not appear at Ola Cabs.
Frequently Asked Questions
How many LeetCode questions do Ola Cabs and Walmart Labs share?
Ola Cabs and Walmart Labs share 13 LeetCode interview questions. 11 problems appear only in Ola Cabs's list and 131 appear only in Walmart Labs's list.
What topics overlap most between Ola Cabs and Walmart Labs?
The most common shared topics between Ola Cabs and Walmart Labs are Array (10 shared questions), Hash Table (4 shared questions), String (4 shared questions), Two Pointers (4 shared questions), Dynamic Programming (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Ola Cabs or Walmart Labs?
Ola Cabs has 5 Easy, 14 Medium, and 5 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Ola Cabs has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Ola Cabs and Walmart Labs?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 11 Ola Cabs-specific and 20 Walmart Labs-specific questions to round out your prep.