Cognizant vs Turing Interview Questions
Cognizant lists 29 LeetCode interview questions while Turing lists 37. They share 8 problems — 28% of Cognizant's bank and 22% of Turing's. Focus on the overlap first, then drill into 21 Cognizant-only and 29 Turing-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cognizant and Turing.
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 Turing-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Turing skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both Cognizant and Turing.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Longest Common Prefix | Easy |
| Maximum Subarray | Medium |
| Valid Parentheses | Easy |
| Median of Two Sorted Arrays | Hard |
| Longest Substring Without Repeating Characters | Medium |
| 3Sum | Medium |
Unique to Cognizant (21)
Problems in Cognizant's list that do not appear at Turing.
| Problem | Difficulty |
|---|---|
| Palindrome Number | Easy |
| Count Subarrays of Length Three With a Condition | Easy |
| Smallest Value of the Rearranged Number | Medium |
| Fibonacci Number | Easy |
| Valid Anagram | Easy |
| Second Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Reverse Integer | Medium |
| Product Sales Analysis I | Easy |
| Merge Sorted Array | Easy |
| Count Primes | Medium |
Unique to Turing (29)
Problems in Turing's list that do not appear at Cognizant.
Frequently Asked Questions
How many LeetCode questions do Cognizant and Turing share?
Cognizant and Turing share 8 LeetCode interview questions. 21 problems appear only in Cognizant's list and 29 appear only in Turing's list.
What topics overlap most between Cognizant and Turing?
The most common shared topics between Cognizant and Turing are Array (4 shared questions), String (4 shared questions), Hash Table (2 shared questions), Two Pointers (2 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Turing?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Turing has 10 Easy, 23 Medium, and 4 Hard questions. Turing has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Turing?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Cognizant-specific and 20 Turing-specific questions to round out your prep.