Epam Systems vs Snapchat Interview Questions
Epam Systems lists 46 LeetCode interview questions while Snapchat lists 99. They share 11 problems — 24% of Epam Systems's bank and 11% of Snapchat's. Focus on the overlap first, then drill into 35 Epam Systems-only and 88 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Snapchat.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Two Sum, Minimum Operations to Make a Uni-Value Grid, Valid Parentheses and Snapchat-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snapchat skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
11 Shared Questions
High-priority problems to practice for both Epam Systems and Snapchat.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| String Compression | Medium |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| Reverse Words in a String | Medium |
| Edit Distance | Medium |
| Reverse Linked List | Easy |
| Top K Frequent Elements | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to Epam Systems (35)
Problems in Epam Systems's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| 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 |
| Rotate Array | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
Unique to Snapchat (88)
Problems in Snapchat's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Min Stack | Medium |
| One Edit Distance | Medium |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Snapchat share?
Epam Systems and Snapchat share 11 LeetCode interview questions. 35 problems appear only in Epam Systems's list and 88 appear only in Snapchat's list.
What topics overlap most between Epam Systems and Snapchat?
The most common shared topics between Epam Systems and Snapchat are String (5 shared questions), Array (5 shared questions), Hash Table (4 shared questions), Sorting (3 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Snapchat?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Snapchat?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Snapchat-specific questions to round out your prep.