Epam Systems vs Grammarly Interview Questions
Epam Systems lists 46 LeetCode interview questions while Grammarly lists 30. They share 4 problems — 9% of Epam Systems's bank and 13% of Grammarly's. Focus on the overlap first, then drill into 42 Epam Systems-only and 26 Grammarly-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Grammarly.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Two Sum, Longest Substring Without Repeating Characters, Minimum Operations to Make a Uni-Value Grid and Grammarly-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Grammarly skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Epam Systems and Grammarly.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| Unique Paths | Medium |
Unique to Epam Systems (42)
Problems in Epam Systems's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Minimum Operations to Make a Uni-Value Grid | 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 |
Unique to Grammarly (26)
Problems in Grammarly's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Remove All Adjacent Duplicates In String | Easy |
| Search in Rotated Sorted Array | Medium |
| Vowel Spellchecker | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Climbing Stairs | Easy |
| Repeated DNA Sequences | Medium |
| Sqrt(x) | Easy |
| Perfect Number | Easy |
| Logger Rate Limiter | Easy |
| Sum of Left Leaves | Easy |
| Non-overlapping Intervals | Medium |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Grammarly share?
Epam Systems and Grammarly share 4 LeetCode interview questions. 42 problems appear only in Epam Systems's list and 26 appear only in Grammarly's list.
What topics overlap most between Epam Systems and Grammarly?
The most common shared topics between Epam Systems and Grammarly are Dynamic Programming (3 shared questions), Array (2 shared questions), Two Pointers (1 shared questions), Stack (1 shared questions), Monotonic Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Grammarly?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. Grammarly has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Grammarly?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Grammarly-specific questions to round out your prep.