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Roblox Medium Interview Questions

13 medium-level practice questions for Roblox technical interviews

coding Medium Verified Question #1

1. Is Function Complete


Category: String coding problem
# Is Function Complete You need to implement a function isFuncComplete that determines if a code string represents a "complete" input. This is a...
Input: String
Output: Printed output
coding Medium Verified Question #2

2. Most Frequently Called Function


Category: Trie-based coding problem
You're given a sequence of logs representing function entries and exits in a single-threaded program. Each entry is of the form `"->...
Input: List
Output: Computed result
coding Medium Verified Question #3

3. [OA] Building Height Management


Category: Algorithm coding problem
# Building Height Management You are managing a row of building structures with varying heights. Your goal is to transform these structures into a...
Input: Number(s)
Output: Integer
coding Medium Verified Question #4

4. [Creativity Round] Airline Quality Manager


Category: Graph coding problem
Input: Graph (nodes and edges)
Output: Computed result
coding Medium Verified Question #5

5. [Creativity Round] Design Matchmaking System


Category: Graph coding problem
# Problem Statement Design a matchmaking system for a multiplayer game that pairs users with the best game instance to ensure users have the optimal...
Input: Graph (nodes and edges)
Output: Computed result
coding Medium Verified Question #6

6. [Creativity Round] Elevator


Category: Algorithm coding problem
Input: List
Output: Computed result
coding Medium Verified Question #7

7. [Creativity Round] Prevent Child Credit Card Use


Category: Graph coding problem
Input: Graph (nodes and edges)
Output: Printed output
coding Medium Verified Question #8

8. Shuffle Playlist Verifier


Category: String coding problem
A podcast platform uses two playback modes: Loop Mode (random picks, repeats allowed) and Rotation Mode (cycles through all episodes in a...
Input: List
Output: Computed result
coding Medium Verified Question #9

9. Prune Prefix Words


Category: String coding problem
A URL shortener system maintains a keyword list. To reduce redundancy, remove every keyword that is a prefix of any other keyword in the list. A...
Input: List
Output: Printed output
coding Medium Verified Question #10

10. DOM Leaf Text Comparison


Category: Tree coding problem
A document renderer processes two hierarchical DOM structures and checks whether they produce identical rendered text. Each node in the DOM either...
Input: List
Output: Computed result
coding Medium Verified Question #11

11. Rating Cutoff For Loss Rate


Category: String coding problem
A game analytics platform needs to identify a skill rating threshold above which players lose at least a target proportion of their games. You are...
Input: List
Output: Computed result
coding Medium Verified Question #12

12. Policy Violation Notifier


Category: String coding problem
A security audit system detects policy violations and generates structured alerts. You are given: - flaggedTerms: a list of detected violation...
Input: List
Output: Array
coding Medium Verified Question #13

13. Best Window For Target Count


Category: Trie-based coding problem
A log analysis tool searches for the most frequent occurrence of a specific error code within a fixed-size window of log entries. Given an integer...
Input: Array
Output: Integer

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