Capital One vs TCS Interview Questions
Capital One lists 47 LeetCode interview questions while TCS lists 228. They share 16 problems — 34% of Capital One's bank and 7% of TCS's. Focus on the overlap first, then drill into 31 Capital One-only and 212 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capital One and TCS.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Block Placement Queries, Text Justification and TCS-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
16 Shared Questions
High-priority problems to practice for both Capital One and TCS.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Rotate Image | Medium |
| Largest Rectangle in Histogram | Hard |
| Best Time to Buy and Sell Stock | Easy |
| Palindrome Number | Easy |
| Merge Intervals | Medium |
| Non-overlapping Intervals | Medium |
| Number of Islands | Medium |
| Add Two Numbers | Medium |
| LRU Cache | Medium |
| Merge Two Sorted Lists | Easy |
| K-diff Pairs in an Array | Medium |
| Rotate Array | Medium |
| Roman to Integer | Easy |
| Valid Parentheses | Easy |
| Best Time to Buy and Sell Stock II | Medium |
Unique to Capital One (31)
Problems in Capital One's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Simple Bank System | 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 |
| 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 |
| Split Message Based on Limit | Hard |
| Rotating the Box | Medium |
Unique to TCS (212)
Problems in TCS's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
Frequently Asked Questions
How many LeetCode questions do Capital One and TCS share?
Capital One and TCS share 16 LeetCode interview questions. 31 problems appear only in Capital One's list and 212 appear only in TCS's list.
What topics overlap most between Capital One and TCS?
The most common shared topics between Capital One and TCS are Array (10 shared questions), Math (5 shared questions), Matrix (3 shared questions), Dynamic Programming (3 shared questions), Sorting (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or TCS?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. TCS has 99 Easy, 108 Medium, and 21 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 TCS?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 TCS-specific questions to round out your prep.