Interview Experience with Cognizant
- Posted
- 16 Jan 2026
330 reads
Summary
I recently had the opportunity to attend an interview process with Cognizant, where my LeetCode-style preparation played a key role.
How it went
Recently, I had the opportunity to attend an interview process with Cognizant, and I wanted to share my experience—especially how LeetCode-style preparation played a key role.
🧠 Interview Round Overview
🔹 Technical Interview
- Core DSA concepts (arrays, strings, recursion)
- Problem-solving approach mattered more than syntax
- Follow-up questions on time & space complexity
- Basic CS fundamentals (OOPs, DBMS, OS concepts)
Sample Querstion
Rotate an Array by K Positions(Left and Right)
👉 Input: [1,2,3,4,5], k = 2
👉 Output: [4,5,1,2,3]
Questions asked (1)
- 01
Rotate Array by K Positions
Data Structures & Algorithms
Rotate an Array by K Positions(Left and Right)
👉 Input: [1,2,3,4,5], k = 2
👉 Output: [4,5,1,2,3]
How they prepared
My LeetCode-style preparation played a key role.