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Roblox Hard Interview Questions

6 hard-level practice questions for Roblox technical interviews

5
Coding
1
System Design
coding Hard Verified Question #1

1. Rate Limiter with Experience


Category: Sliding window coding problem
Implement a rate limiting system for Roblox. This is a two-part problem, with a follow up taking in additional factors into the rate limiting.
Input: List
Output: Computed result
coding Hard Verified Question #2

2. [OA] Library Book Tracker


Category: Array coding problem
Your task is to develop a library book circulation tracker. You are given a sequence of operations that represent activities in a library. Each...
Input: Array
Output: Array
system design Hard Verified Question #3

3. Top 5 Recently Asked Roblox System Design Questions


Category: Graph system design problem
These are the commonly asked system design questions from Roblox interviews. Roblox's interview focus includes high-scale distributed systems with a...
Input: Graph (nodes and edges)
Output: Computed result
coding Hard Verified Question #4

4. [Creativity Round] Preventing Harassment In-Game


Category: Algorithm coding problem
Input: List
Output: Computed result
coding Hard Verified Question #5

5. Request Rate Detector


Category: Algorithm coding problem
An API gateway monitors requests to detect abusive clients. Implement the RequestRateDetector class. configure(limit: int, window: int) -...
Input: Number(s)
Output: Integer
coding Hard Verified Question #6

6. Uniform Array Segmentation


Category: Array coding problem
A task distribution system needs to split a workload evenly among workers. You are given an integer array tasks of length n and an integer...
Input: Array
Output: Computed result

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