CognizantLeetCode Questions
VerifiedCommunity-reported coding interview questions for Cognizant, organized by frequency across 30-day, 3-month, and 6-month recency windows.
# | Problem | Difficulty | Frequency↓ | Acceptance | |
|---|---|---|---|---|---|
| #3392 | Easy | 100% | 61.4% | ||
| #1 | Two Sum3 sources | Easy | 95% | 57.8% | |
| #9 | Palindrome Number3 sources | Easy | 93% | 60.7% | |
| #3 | Medium | 88% | 39.4% | ||
| #2165 | Medium | 88% | 53.7% | ||
| #5 | Longest Palindromic Substring3 sources | Medium | 85% | 38.2% | |
| #3667 | Sort Array By Absolute Value3 sources | Easy | 80% | 86.7% | |
| #176 | Medium | 77% | 47.5% | ||
| #509 | Fibonacci Number3 sources | Easy | 77% | 74.3% | |
| #242 | Valid Anagram3 sources | Easy | 75% | 68.3% | |
| #88 | Merge Sorted Array3 sources | Easy | 75% | 55.2% | |
| #283 | Move Zeroes3 sources | Easy | 73% | 64.1% | |
| #20 | Valid Parentheses3 sources | Easy | 73% | 44.5% | |
| #121 | Best Time to Buy and Sell Stock3 sources | Easy | 73% | 57.0% | |
| #4 | Median of Two Sorted Arrays3 sources | Hard | 69% | 47.0% | |
| #125 | Valid Palindrome3 sources | Easy | 64% | 53.7% | |
| #560 | Subarray Sum Equals K3 sources | Medium | 64% | 47.7% | |
| #7 | Reverse Integer3 sources | Medium | 63% | 32.1% | |
| #26 | Remove Duplicates from Sorted Array3 sources | Easy | 63% | 63.2% | |
| #41 | First Missing Positive3 sources | Hard | 63% | 43.2% | |
| #1378 | Easy | 63% | 83.6% | ||
| #1148 | Easy | 63% | 76.7% | ||
| #175 | Easy | 63% | 79.7% | ||
| #70 | Climbing Stairs3 sources | Easy | 63% | 54.2% | |
| #485 | Max Consecutive Ones3 sources | Easy | 63% | 65.6% | |
| #1068 | Easy | 63% | 85.9% | ||
| #53 | Maximum Subarray2 sources | Medium | 63% | 53.5% | |
| #169 | Majority Element3 sources | Easy | 57% | 66.4% | |
| #136 | Single Number3 sources | Easy | 57% | 77.9% | |
| #28 | Easy | 57% | 0.5% | ||
| #829 | Hard | 57% | 0.4% | ||
| #197 | Easy | 50% | 51.6% | ||
| #55 | Jump Game3 sources | Medium | 50% | 41.2% | |
| #181 | Easy | 50% | 73.5% | ||
| #1732 | Find the Highest Altitude3 sources | Easy | 50% | 84.7% | |
| #443 | String Compression3 sources | Medium | 50% | 60.3% | |
| #1200 | Minimum Absolute Difference3 sources | Easy | 50% | 75.2% | |
| #141 | Linked List Cycle3 sources | Easy | 50% | 54.7% | |
| #31 | Next Permutation3 sources | Medium | 50% | 45.6% | |
| #1741 | Easy | 50% | 86.4% | ||
| #177 | Medium | 50% | 39.5% | ||
| #414 | Third Maximum Number3 sources | Easy | 50% | 39.8% | |
| #2785 | Sort Vowels in a String3 sources | Medium | 50% | 83.5% | |
| #189 | Rotate Array2 sources | Medium | 50% | 45.2% | |
| #704 | Binary Search2 sources | Easy | 50% | 61.1% | |
| #13 | Roman to Integer2 sources | Easy | 50% | 66.8% | |
| #2 | Medium | 50% | 48.8% | ||
| #49 | Medium | 50% | 72.9% | ||
| #178 | Medium | 48% | 0.7% | ||
| #994 | Rotting Oranges2 sources | Medium | 48% | 0.6% |
Cognizant Technical Interview Overview & Company-Wise Questions
This page organizes 58 community-reported Cognizant LeetCode problems by difficulty, frequency, and recency so you can build a focused preparation queue. Reports are aggregated from public datasets and should be treated as preparation signals rather than predictions.
How to prioritize Cognizant preparation
Start with the 1 questions reported in the last 30 days, then work through the highest-frequency topics (Array, Two Pointers, Database, String). This page tracks 58 community-reported questions across 32 Easy, 22 Medium, and 4 Hard problems. Data refreshed Oct 28, 2026.
Frequently Asked Questions
What are the most frequent LeetCode questions for Cognizant?
The leading problems in the available Cognizant interview reports include Count Subarrays of Length Three With a Condition, Two Sum, Palindrome Number. This page tracks 58 reported problems across Easy (32), Medium (22), and Hard (4) difficulty levels.
Where can I practice company-wise LeetCode questions for Cognizant?
You can review all 58 Cognizant questions on this page, filter them by 30-day, 3-month, 6-month, and all-time windows, and save practice progress for free.
How does LeetMap Pro organize Cognizant interview problem recency?
LeetMap Pro groups community-reported occurrences into 30-day, 3-month, 6-month, and older windows. These are preparation signals from the available sources, not guarantees that a problem will appear in a future interview.
What is the difficulty distribution for Cognizant coding questions?
Easy is the largest tracked difficulty group for Cognizant, with 32 problems. The full distribution is 32 Easy, 22 Medium, and 4 Hard.