Capital One vs Samsung Interview Questions
Capital One lists 47 LeetCode interview questions while Samsung lists 65. They share 10 problems — 21% of Capital One's bank and 15% of Samsung's. Focus on the overlap first, then drill into 37 Capital One-only and 55 Samsung-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capital One and Samsung.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Spiral Matrix, Block Placement Queries and Samsung-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Samsung skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both Capital One and Samsung.
| Problem | Difficulty |
|---|---|
| Rotate Image | Medium |
| Count Prefix and Suffix Pairs II | Hard |
| Best Time to Buy and Sell Stock | Easy |
| Word Search | Medium |
| Coin Change | Medium |
| Merge Intervals | Medium |
| Number of Islands | Medium |
| LRU Cache | Medium |
| Rotate Array | Medium |
| Valid Parentheses | Easy |
Unique to Capital One (37)
Problems in Capital One's list that do not appear at Samsung.
| 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 |
| 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 |
Unique to Samsung (55)
Problems in Samsung's list that do not appear at Capital One.
Frequently Asked Questions
How many LeetCode questions do Capital One and Samsung share?
Capital One and Samsung share 10 LeetCode interview questions. 37 problems appear only in Capital One's list and 55 appear only in Samsung's list.
What topics overlap most between Capital One and Samsung?
The most common shared topics between Capital One and Samsung are Array (8 shared questions), Matrix (3 shared questions), String (3 shared questions), Math (2 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Samsung?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Samsung has 12 Easy, 36 Medium, and 17 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Capital One and Samsung?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Samsung-specific questions to round out your prep.