Capital One vs Cognizant Interview Questions
Capital One lists 47 LeetCode interview questions while Cognizant lists 29. They share 4 problems — 9% of Capital One's bank and 14% of Cognizant's. Focus on the overlap first, then drill into 43 Capital One-only and 25 Cognizant-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capital One and Cognizant.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Spiral Matrix, Block Placement Queries and Cognizant-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Capital One skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Capital One and Cognizant.
| Problem | Difficulty |
|---|---|
| Palindrome Number | Easy |
| Add Two Numbers | Medium |
| Merge Two Sorted Lists | Easy |
| Valid Parentheses | Easy |
Unique to Capital One (43)
Problems in Capital One's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Spiral Matrix | Medium |
| Block Placement Queries | Hard |
| Text Justification | Hard |
| Minimum Operations to Write the Letter Y on a Grid | Medium |
| Candy Crush | Medium |
| Count Alternating Subarrays | Medium |
| Rotate Image | Medium |
| Four Divisors | Medium |
| Simplify Path | Medium |
| Count Operations to Obtain Zero | Easy |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
Unique to Cognizant (25)
Problems in Cognizant's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Count Subarrays of Length Three With a Condition | Easy |
| Smallest Value of the Rearranged Number | Medium |
| Two Sum | Easy |
| Fibonacci Number | Easy |
| Longest Palindromic Substring | Medium |
| Valid Anagram | Easy |
| Second Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Longest Common Prefix | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Maximum Subarray | Medium |
| Reverse Integer | Medium |
Frequently Asked Questions
How many LeetCode questions do Capital One and Cognizant share?
Capital One and Cognizant share 4 LeetCode interview questions. 43 problems appear only in Capital One's list and 25 appear only in Cognizant's list.
What topics overlap most between Capital One and Cognizant?
The most common shared topics between Capital One and Cognizant are Math (2 shared questions), Linked List (2 shared questions), Recursion (2 shared questions), String (1 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Cognizant?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Capital One has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Capital One and Cognizant?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Cognizant-specific questions to round out your prep.