Cognizant vs Zomato Interview Questions
Cognizant lists 29 LeetCode interview questions while Zomato lists 27. They share 4 problems — 14% of Cognizant's bank and 15% of Zomato's. Focus on the overlap first, then drill into 25 Cognizant-only and 23 Zomato-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cognizant and Zomato.
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 Zomato-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zomato skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Cognizant and Zomato.
| Problem | Difficulty |
|---|---|
| Maximum Subarray | Medium |
| Longest Substring Without Repeating Characters | Medium |
| 3Sum | Medium |
| Move Zeroes | Easy |
Unique to Cognizant (25)
Problems in Cognizant's list that do not appear at Zomato.
| Problem | Difficulty |
|---|---|
| Palindrome Number | Easy |
| Count Subarrays of Length Three With a Condition | Easy |
| Smallest Value of the Rearranged Number | Medium |
| Two Sum | Easy |
| Fibonacci Number | Easy |
| Longest Palindromic Substring | Medium |
| Valid Anagram | Easy |
| Second Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Longest Common Prefix | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Reverse Integer | Medium |
Unique to Zomato (23)
Problems in Zomato's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Maximum Spending After Buying Items | Hard |
| Number of Ways to Divide a Long Corridor | Hard |
| Shortest Cycle in a Graph | Hard |
| Bitwise OR of All Subsequence Sums | Medium |
| Split the Array to Make Coprime Products | Hard |
| Count the Hidden Sequences | Medium |
| First Missing Positive | Hard |
| Exchange Seats | Medium |
| Number of Islands | Medium |
| LFU Cache | Hard |
| Isomorphic Strings | Easy |
| Snakes and Ladders | Medium |
Frequently Asked Questions
How many LeetCode questions do Cognizant and Zomato share?
Cognizant and Zomato share 4 LeetCode interview questions. 25 problems appear only in Cognizant's list and 23 appear only in Zomato's list.
What topics overlap most between Cognizant and Zomato?
The most common shared topics between Cognizant and Zomato are Array (3 shared questions), Two Pointers (2 shared questions), Divide and Conquer (1 shared questions), Dynamic Programming (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Zomato?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Zomato has 2 Easy, 17 Medium, and 8 Hard questions. Zomato has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Zomato?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Cognizant-specific and 20 Zomato-specific questions to round out your prep.