Epam Systems vs Samsung Interview Questions
Epam Systems lists 46 LeetCode interview questions while Samsung lists 65. They share 16 problems — 35% of Epam Systems's bank and 25% of Samsung's. Focus on the overlap first, then drill into 30 Epam Systems-only and 49 Samsung-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 Epam Systems and Samsung.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Longest Substring Without Repeating Characters, Minimum Operations to Make a Uni-Value Grid, Valid Anagram 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
16 Shared Questions
High-priority problems to practice for both Epam Systems and Samsung.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Rotate Array | Medium |
| Trapping Rain Water | Hard |
| 3Sum | Medium |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| LRU Cache | Medium |
| Maximum Subarray | Medium |
| Edit Distance | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to Epam Systems (30)
Problems in Epam Systems's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Valid Anagram | Easy |
| Group Anagrams | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
| Longest Consecutive Sequence | Medium |
| String Compression | Medium |
| Reverse Vowels of a String | Easy |
| First Unique Character in a String | Easy |
| Add Two Numbers | Medium |
Unique to Samsung (49)
Problems in Samsung's list that do not appear at Epam Systems.
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Samsung share?
Epam Systems and Samsung share 16 LeetCode interview questions. 30 problems appear only in Epam Systems's list and 49 appear only in Samsung's list.
What topics overlap most between Epam Systems and Samsung?
The most common shared topics between Epam Systems and Samsung are Array (11 shared questions), Two Pointers (6 shared questions), Dynamic Programming (6 shared questions), String (5 shared questions), Sorting (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Samsung?
Epam Systems has 16 Easy, 27 Medium, and 3 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 Epam Systems and Samsung?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Samsung-specific questions to round out your prep.