Epam Systems vs Roblox Interview Questions
Epam Systems lists 46 LeetCode interview questions while Roblox lists 56. They share 7 problems — 15% of Epam Systems's bank and 13% of Roblox's. Focus on the overlap first, then drill into 39 Epam Systems-only and 49 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Roblox.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Minimum Operations to Make a Uni-Value Grid, Move Zeroes, Longest Palindromic Substring and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
7 Shared Questions
High-priority problems to practice for both Epam Systems and Roblox.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Longest Common Prefix | Easy |
| Longest Consecutive Sequence | Medium |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
Unique to Epam Systems (39)
Problems in Epam Systems's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Move Zeroes | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Rotate Array | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
| String Compression | Medium |
Unique to Roblox (49)
Problems in Roblox's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Candy Crush | Medium |
| Reorganize String | Medium |
| Number of Ways to Wear Different Hats to Each Other | Hard |
| Text Justification | Hard |
| Maximize Distance to Closest Person | Medium |
| Task Scheduler | Medium |
| Course Schedule II | Medium |
| Design Hit Counter | Medium |
| Design Search Autocomplete System | Hard |
| Integer to English Words | Hard |
| Count Number of Nice Subarrays | Medium |
| Group the People Given the Group Size They Belong To | Medium |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Roblox share?
Epam Systems and Roblox share 7 LeetCode interview questions. 39 problems appear only in Epam Systems's list and 49 appear only in Roblox's list.
What topics overlap most between Epam Systems and Roblox?
The most common shared topics between Epam Systems and Roblox are Array (5 shared questions), Hash Table (3 shared questions), String (3 shared questions), Stack (2 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Roblox?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Roblox?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Roblox-specific questions to round out your prep.