Epam Systems vs Expedia Interview Questions
Epam Systems lists 46 LeetCode interview questions while Expedia lists 64. They share 12 problems — 26% of Epam Systems's bank and 19% of Expedia's. Focus on the overlap first, then drill into 34 Epam Systems-only and 52 Expedia-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 12 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Expedia.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Minimum Operations to Make a Uni-Value Grid, Move Zeroes, Longest Common Prefix and Expedia-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Expedia skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
12 Shared Questions
High-priority problems to practice for both Epam Systems and Expedia.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| House Robber | Medium |
| String Compression | Medium |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| LRU Cache | Medium |
| Roman to Integer | Easy |
Unique to Epam Systems (34)
Problems in Epam Systems's list that do not appear at Expedia.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Rotate Array | Medium |
| Reverse String | Easy |
| Partition Equal Subset Sum | Medium |
| Longest Consecutive Sequence | Medium |
| Reverse Vowels of a String | Easy |
| 3Sum | Medium |
Unique to Expedia (52)
Problems in Expedia's list that do not appear at Epam Systems.
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Expedia share?
Epam Systems and Expedia share 12 LeetCode interview questions. 34 problems appear only in Epam Systems's list and 52 appear only in Expedia's list.
What topics overlap most between Epam Systems and Expedia?
The most common shared topics between Epam Systems and Expedia are Array (6 shared questions), String (6 shared questions), Hash Table (5 shared questions), Dynamic Programming (4 shared questions), Stack (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Expedia?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Expedia has 13 Easy, 42 Medium, and 9 Hard questions. Expedia has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Expedia?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Expedia-specific questions to round out your prep.