Prepare for Cognizant technical interviews with 43 tracked LeetCode questions, sortable by difficulty and topic.
| Title | Difficulty | Topics | Frequency | LeetCode |
|---|---|---|---|---|
| User Activity for the Past 30 Days I | Easy | 100% | Solve | |
| Happy Number | Easy | 99% | Solve | |
| Two Sum | Easy | 95.7% | Solve | |
| Count Subarrays of Length Three With a Condition | Easy | 95.6% | Solve | |
| Smallest Value of the Rearranged Number | Medium | 95.6% | Solve | |
| Find Numbers with Even Number of Digits | Easy | 87.2% | Solve | |
| Employees Earning More Than Their Managers | Easy | 86.7% | Solve | |
| Palindrome Number | Easy | 85.8% | Solve | |
| Rotate Array | Medium | 84% | Solve | |
| Maximum Subarray | Medium | 79.9% | Solve | |
| Roman to Integer | Easy | 79.9% | Solve | |
| Longest Common Prefix | Easy | 75% | Solve | |
| Longest Palindromic Substring | Medium | 75% | Solve | |
| Merge Sorted Array | Easy | 75% | Solve | |
| Reverse Integer | Medium | 75% | Solve | |
| Sort Array By Absolute Value | Easy | 75% | Solve | |
| Single Number | Easy | 70.4% | Solve | |
| Fizz Buzz | Easy | 69.8% | Solve | |
| 3Sum | Medium | 68.9% | Solve | |
| Longest Substring Without Repeating Characters | Medium | 68.9% | Solve |
43 questions total
Company analytics
Questions tracked
43
Questions currently linked to Cognizant
Topics represented
21
Distinct topics visible in this company set
Dominant difficulty
easy
63% of tracked questions
Avg frequency score
65.7
Mean frequency across this company question set
Cognizant currently has 43 tracked questions linked to 21 topics, so this page is a good benchmark for how deep the dataset goes on one employer.
The most common topics for Cognizant include Array, Math, Database, and Two Pointers. Array alone appears 18 times in the visible topic distribution. That topic spread helps you identify whether this company is repeating a few patterns or testing across a broader surface area.
The current question set averages a frequency score of 65.7, and easy is the dominant difficulty bucket at 63% of tracked coverage. That makes it easier to decide whether to practice for repetition, complexity, or both.
Cognizant related paths
This section answers the most practical questions about using the Cognizant route as a company-specific LeetCode study page.
Start with the highest-frequency questions inside Array, Math, and Database, then sort the table by frequency to build a shortlist. That gives you a faster first pass through Cognizant's interview patterns than trying to cover every linked problem at once.
easy makes up 63% of the tracked Cognizant question set. Use that split to decide whether your study plan should emphasize coverage, realistic interview pressure, or deeper problem solving.
Use this page to identify Cognizant's strongest topic signal, then open Array and the global most-asked or questions explorer routes to see whether that company-specific pattern is also common across the wider dataset.
