Capital One vs Epam Systems Interview Questions
Capital One lists 47 LeetCode interview questions while Epam Systems lists 46. They share 9 problems — 19% of Capital One's bank and 20% of Epam Systems's. Focus on the overlap first, then drill into 38 Capital One-only and 37 Epam Systems-only questions.
Read the full Capital One vs Epam Systems preparation guide →
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capital One and Epam Systems.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Spiral Matrix, Block Placement Queries and Epam Systems-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
9 Shared Questions
High-priority problems to practice for both Capital One and Epam Systems.
| Problem | Difficulty |
|---|---|
| Best Time to Buy and Sell Stock | Easy |
| Palindrome Number | Easy |
| Merge Intervals | Medium |
| Add Two Numbers | Medium |
| LRU Cache | Medium |
| Merge Two Sorted Lists | Easy |
| Rotate Array | Medium |
| Roman to Integer | Easy |
| Valid Parentheses | Easy |
Unique to Capital One (38)
Problems in Capital One's list that do not appear at Epam Systems.
| 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 Epam Systems (37)
Problems in Epam Systems's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Group Anagrams | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
Frequently Asked Questions
How many LeetCode questions do Capital One and Epam Systems share?
Capital One and Epam Systems share 9 LeetCode interview questions. 38 problems appear only in Capital One's list and 37 appear only in Epam Systems's list.
What topics overlap most between Capital One and Epam Systems?
The most common shared topics between Capital One and Epam Systems are Math (4 shared questions), Array (3 shared questions), Linked List (3 shared questions), Recursion (2 shared questions), Hash Table (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Epam Systems?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 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 Epam Systems?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Epam Systems-specific questions to round out your prep.