Cognizant vs Swiggy Interview Questions
Cognizant lists 29 LeetCode interview questions while Swiggy lists 36. They share 6 problems — 21% of Cognizant's bank and 17% of Swiggy's. Focus on the overlap first, then drill into 23 Cognizant-only and 30 Swiggy-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 Cognizant and Swiggy.
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 Swiggy-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Swiggy 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 Cognizant and Swiggy.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| Maximum Subarray | Medium |
| Median of Two Sorted Arrays | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Merge Sorted Array | Easy |
| Happy Number | Easy |
Unique to Cognizant (23)
Problems in Cognizant's list that do not appear at Swiggy.
Unique to Swiggy (30)
Problems in Swiggy's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Maximize Area of Square Hole in Grid | Medium |
| Minimum Value to Get Positive Step by Step Sum | Easy |
| Count Good Meals | Medium |
| Next Greater Element I | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Course Schedule | Medium |
| Edit Distance | Medium |
| Count Days Without Meetings | Medium |
| Unique Binary Search Trees | Medium |
| Integer to Roman | Medium |
| Daily Temperatures | Medium |
| Fair Candy Swap | Easy |
Frequently Asked Questions
How many LeetCode questions do Cognizant and Swiggy share?
Cognizant and Swiggy share 6 LeetCode interview questions. 23 problems appear only in Cognizant's list and 30 appear only in Swiggy's list.
What topics overlap most between Cognizant and Swiggy?
The most common shared topics between Cognizant and Swiggy are Two Pointers (3 shared questions), Array (3 shared questions), String (2 shared questions), Dynamic Programming (2 shared questions), Divide and Conquer (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Swiggy?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Swiggy has 6 Easy, 24 Medium, and 6 Hard questions. Swiggy has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Swiggy?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Cognizant-specific and 20 Swiggy-specific questions to round out your prep.