Epam Systems vs Microsoft Interview Questions
Epam Systems lists 46 LeetCode interview questions while Microsoft lists 192. They share 35 problems — 76% of Epam Systems's bank and 18% of Microsoft's. Focus on the overlap first, then drill into 11 Epam Systems-only and 157 Microsoft-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 35 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Microsoft.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Minimum Operations to Make a Uni-Value Grid, Reverse String, String Compression and Microsoft-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Microsoft skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
35 Shared Questions
High-priority problems to practice for both Epam Systems and Microsoft.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Move Zeroes | Easy |
| Longest Common Prefix | 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 |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
| Longest Consecutive Sequence | Medium |
| Trapping Rain Water | Hard |
| 3Sum | Medium |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| LRU Cache | Medium |
| Add Two Numbers | Medium |
| Palindrome Number | Easy |
| Reverse Integer | Medium |
| Pow(x, n) | Medium |
| Two Sum II - Input Array Is Sorted | Medium |
| Roman to Integer | Easy |
| Maximum Subarray | Medium |
| First Missing Positive | Hard |
| Multiply Strings | Medium |
| Reverse Words in a String | Medium |
| Unique Paths | Medium |
Showing top 30 of 35 shared problems.
Unique to Epam Systems (11)
Problems in Epam Systems's list that do not appear at Microsoft.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Reverse String | Easy |
| String Compression | Medium |
| Reverse Vowels of a String | Easy |
| First Unique Character in a String | Easy |
| Maximum Difference Between Node and Ancestor | Medium |
| Duplicate Emails | Easy |
| Count Salary Categories | Medium |
| Counter | Easy |
| Sort Characters By Frequency | Medium |
| Top K Frequent Elements | Medium |
Unique to Microsoft (157)
Problems in Microsoft's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Single Element in a Sorted Array | Medium |
| Search in Rotated Sorted Array | Medium |
| Reverse Nodes in k-Group | Hard |
| Spiral Matrix | Medium |
| Climbing Stairs | Easy |
| Container With Most Water | Medium |
| Rotate Image | Medium |
| Merge k Sorted Lists | Hard |
| Sort Colors | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Create Hello World Function | Easy |
| Set Matrix Zeroes | Medium |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Microsoft share?
Epam Systems and Microsoft share 35 LeetCode interview questions. 11 problems appear only in Epam Systems's list and 157 appear only in Microsoft's list.
What topics overlap most between Epam Systems and Microsoft?
The most common shared topics between Epam Systems and Microsoft are Array (16 shared questions), String (10 shared questions), Hash Table (8 shared questions), Two Pointers (8 shared questions), Dynamic Programming (8 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Microsoft?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. Microsoft has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Microsoft?
Start with the 35 shared problems since they cover what both companies ask most often. Then add 11 Epam Systems-specific and 20 Microsoft-specific questions to round out your prep.