Epam Systems vs Yahoo Interview Questions
Epam Systems lists 46 LeetCode interview questions while Yahoo lists 34. They share 9 problems — 20% of Epam Systems's bank and 26% of Yahoo's. Focus on the overlap first, then drill into 37 Epam Systems-only and 25 Yahoo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Epam Systems and Yahoo.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Longest Substring Without Repeating Characters, Minimum Operations to Make a Uni-Value Grid, Move Zeroes and Yahoo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Yahoo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both Epam Systems and Yahoo.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Common Prefix | Easy |
| LRU Cache | Medium |
| Palindrome Number | Easy |
| Roman to Integer | Easy |
| Reverse Linked List | Easy |
| Top K Frequent Elements | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to Epam Systems (37)
Problems in Epam Systems's list that do not appear at Yahoo.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Move Zeroes | 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 |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
Unique to Yahoo (25)
Problems in Yahoo's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Maximum Depth of Binary Tree | Easy |
| Contains Duplicate | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Largest Palindrome Product | Hard |
| Word Break | Medium |
| Linked List Cycle | Easy |
| Matrix Cells in Distance Order | Easy |
| Non-decreasing Subsequences | Medium |
| Maximum Distance in Arrays | Medium |
| Binary Number with Alternating Bits | Easy |
| Peeking Iterator | Medium |
| Combination Sum | Medium |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Yahoo share?
Epam Systems and Yahoo share 9 LeetCode interview questions. 37 problems appear only in Epam Systems's list and 25 appear only in Yahoo's list.
What topics overlap most between Epam Systems and Yahoo?
The most common shared topics between Epam Systems and Yahoo are Array (4 shared questions), Hash Table (4 shared questions), String (3 shared questions), Linked List (2 shared questions), Math (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Yahoo?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. Yahoo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Yahoo?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 20 Yahoo-specific questions to round out your prep.