Cisco vs Epam Systems Interview Questions
Cisco lists 87 LeetCode interview questions while Epam Systems lists 46. They share 21 problems — 24% of Cisco's bank and 46% of Epam Systems's. Focus on the overlap first, then drill into 66 Cisco-only and 25 Epam Systems-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 21 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cisco and Epam Systems.
Step 2 — Company-specific depth: Add Cisco-specific problems like Predict the Winner, Lucky Numbers in a Matrix, Rotate Image and Epam Systems-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Cisco skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
21 Shared Questions
High-priority problems to practice for both Cisco and Epam Systems.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| House Robber | Medium |
| LRU Cache | Medium |
| Merge Intervals | Medium |
| Maximum Subarray | Medium |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Merge Sorted Array | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Move Zeroes | Easy |
| Reverse Linked List | Easy |
| 3Sum | Medium |
| Longest Consecutive Sequence | Medium |
| Add Two Numbers | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Unique Paths | Medium |
| Reverse Words in a String | Medium |
| Edit Distance | Medium |
Unique to Cisco (66)
Problems in Cisco's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Predict the Winner | Medium |
| Lucky Numbers in a Matrix | Easy |
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Fizz Buzz | Easy |
| Snakes and Ladders | Medium |
| Number of Valid Words in a Sentence | Easy |
| Maximum Difference Between Increasing Elements | Easy |
| Find Third Transaction | Medium |
| Implement Router | Medium |
| Word Search II | Hard |
| Find the Largest Area of Square Inside Two Rectangles | Medium |
Unique to Epam Systems (25)
Problems in Epam Systems's list that do not appear at Cisco.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Longest Common Prefix | Easy |
| Valid Anagram | Easy |
| Rotate Array | Medium |
| Reverse String | Easy |
| Partition Equal Subset Sum | Medium |
| String Compression | Medium |
| Reverse Vowels of a String | Easy |
| First Unique Character in a String | Easy |
| Generate Parentheses | Medium |
| Palindrome Number | Easy |
| Maximum Difference Between Node and Ancestor | Medium |
Frequently Asked Questions
How many LeetCode questions do Cisco and Epam Systems share?
Cisco and Epam Systems share 21 LeetCode interview questions. 66 problems appear only in Cisco's list and 25 appear only in Epam Systems's list.
What topics overlap most between Cisco and Epam Systems?
The most common shared topics between Cisco and Epam Systems are Array (12 shared questions), Dynamic Programming (7 shared questions), Two Pointers (6 shared questions), String (6 shared questions), Hash Table (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cisco or Epam Systems?
Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Cisco has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cisco and Epam Systems?
Start with the 21 shared problems since they cover what both companies ask most often. Then add 20 Cisco-specific and 20 Epam Systems-specific questions to round out your prep.