Cognizant vs Ola Cabs Interview Questions
Cognizant lists 29 LeetCode interview questions while Ola Cabs lists 24. They share 5 problems — 17% of Cognizant's bank and 21% of Ola Cabs's. Focus on the overlap first, then drill into 24 Cognizant-only and 19 Ola Cabs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cognizant and Ola Cabs.
Step 2 — Company-specific depth: Add Cognizant-specific problems like Palindrome Number, Count Subarrays of Length Three With a Condition, Smallest Value of the Rearranged Number and Ola Cabs-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
5 Shared Questions
High-priority problems to practice for both Cognizant and Ola Cabs.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Longest Substring Without Repeating Characters | Medium |
| 3Sum | Medium |
| Add Two Numbers | Medium |
Unique to Cognizant (24)
Problems in Cognizant's list that do not appear at Ola Cabs.
Unique to Ola Cabs (19)
Problems in Ola Cabs's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Validate Binary Search Tree | Medium |
| Group Anagrams | Medium |
| Binary Tree Maximum Path Sum | Hard |
| Climbing Stairs | Easy |
| House Robber | Medium |
| Number of Islands | Medium |
| Decode String | Medium |
| Container With Most Water | Medium |
| Alien Dictionary | Hard |
| Find Pivot Index | Easy |
| Find Minimum in Rotated Sorted Array | Medium |
Frequently Asked Questions
How many LeetCode questions do Cognizant and Ola Cabs share?
Cognizant and Ola Cabs share 5 LeetCode interview questions. 24 problems appear only in Cognizant's list and 19 appear only in Ola Cabs's list.
What topics overlap most between Cognizant and Ola Cabs?
The most common shared topics between Cognizant and Ola Cabs are Array (2 shared questions), Hash Table (2 shared questions), Two Pointers (2 shared questions), String (2 shared questions), Dynamic Programming (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Ola Cabs?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Ola Cabs has 5 Easy, 14 Medium, and 5 Hard questions. Ola Cabs has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Ola Cabs?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Cognizant-specific and 19 Ola Cabs-specific questions to round out your prep.