Cisco vs Roblox Interview Questions
Cisco lists 87 LeetCode interview questions while Roblox lists 56. They share 12 problems — 14% of Cisco's bank and 21% of Roblox's. Focus on the overlap first, then drill into 75 Cisco-only and 44 Roblox-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 Cisco and Roblox.
Step 2 — Company-specific depth: Add Cisco-specific problems like Longest Palindromic Substring, House Robber, Predict the Winner and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox 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 Cisco and Roblox.
| Problem | Difficulty |
|---|---|
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Merge Intervals | Medium |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Longest Consecutive Sequence | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Browser History | Medium |
| Sliding Window Maximum | Hard |
| Largest Rectangle in Histogram | Hard |
Unique to Cisco (75)
Problems in Cisco's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| House Robber | Medium |
| Predict the Winner | Medium |
| Lucky Numbers in a Matrix | Easy |
| Fizz Buzz | Easy |
| LRU Cache | Medium |
| 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 |
Unique to Roblox (44)
Problems in Roblox's list that do not appear at Cisco.
| Problem | Difficulty |
|---|---|
| Candy Crush | Medium |
| Reorganize String | Medium |
| Number of Ways to Wear Different Hats to Each Other | Hard |
| Text Justification | Hard |
| Maximize Distance to Closest Person | Medium |
| Task Scheduler | Medium |
| Course Schedule II | Medium |
| Design Hit Counter | Medium |
| Design Search Autocomplete System | Hard |
| Integer to English Words | Hard |
| Count Number of Nice Subarrays | Medium |
| Group the People Given the Group Size They Belong To | Medium |
Frequently Asked Questions
How many LeetCode questions do Cisco and Roblox share?
Cisco and Roblox share 12 LeetCode interview questions. 75 problems appear only in Cisco's list and 44 appear only in Roblox's list.
What topics overlap most between Cisco and Roblox?
The most common shared topics between Cisco and Roblox are Array (10 shared questions), Hash Table (4 shared questions), Stack (4 shared questions), Math (2 shared questions), Matrix (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cisco or Roblox?
Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cisco and Roblox?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 20 Cisco-specific and 20 Roblox-specific questions to round out your prep.