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system design
Hard
Verified Question
#1
1. Top 5 Open AI System Design Questions
Category: Trie-based system design problem# System Design Questions - OpenAI A collection of commonly asked system design questions from OpenAI interviews.Input: Given input
Output: Computed result
coding
Hard
Verified Question
#2
2. Count Machines In A Tree
Category: Tree coding problemYou are given a tree-structured network of machines where each node represents a machine. Machines can only communicate with their parent and...Input: String
Output: Computed result
coding
Medium
Verified Question
#3
3. Implement cd Command
Category: Algorithm coding problemImplement a simplified version of the Unix
cd command. Given a current directory path and a relative destination path, return the final absolute...Input: Given inputOutput: Computed result
coding
Medium
Verified Question
#4
4. Largest Subgrid
Category: Grid/matrix coding problemYou are given a 2D grid of non-negative integers and a maximum sum constraint. Find the largest size of a square sub-grid such that all...Input: 2D grid
Output: Integer
coding
Hard
Verified Question
#5
5. Memory Allocator
Category: Linked list coding problem# Memory Allocator Design a memory allocator that manages a contiguous block of memory. Implement
malloc and free operations with efficient...Input: Linked listOutput: Computed result
coding
Hard
Verified Question
#6
6. Toy Language Type Inference
Category: String coding problemImplement a type system for a toy programming language that supports primitives, tuples, and generics. Your task is to represent types and infer...Input: List
Output: Computed result
coding
Medium
Verified Question
#7
7. Virus Spread
Category: Grid/matrix coding problemSimulate the spread of a virus through a grid. Each cell can be in one of three states: healthy, infected, or immune. *This is similar to a leetcode...Input: 2D grid
Output: Integer
coding
Medium
Verified Question
#8
8. Bot-Enabled Messaging System
Category: String coding problemYou are building a chat system that supports human users and automated bots. Messages are added to a channel log and may trigger bot responses. The...Input: List
Output: Computed result
coding
Hard
Verified Question
#9
9. Connection Tracker
Category: Algorithm coding problemDesign a social network system that tracks follow relationships between users and preserves a full history through snapshots. The system allows...Input: List
Output: Computed result
coding
Medium
Verified Question
#10
10. GPU Credit Ledger
Category: String coding problemYou are designing a system to manage GPU credits. Each credit grant is valid during a specific time window. Events may arrive out of chronological...Input: String
Output: Computed result
coding
Medium
Verified Question
#11
11. GPU Credit Manager
Category: String coding problemYou are designing a system to manage GPU credits. Each credit grant is valid during a specific time window. Events may arrive out of chronological...Input: String
Output: Computed result
coding
Hard
Verified Question
#12
12. In-Memory SQL Engine
Category: String coding problemDesign an in-memory SQL database that supports creating tables, inserting rows with automatic type inference, and querying with filtering and sorting.Input: List
Output: Computed result
coding
Hard
Verified Question
#13
13. Persistent Key-Value Store
Category: Trie-based coding problemYou are designing a persistent key-value store that serializes its state to a binary storage medium. Native serialization (e.g., JSON, pickle,...Input: Array
Output: Computed result
coding
Hard
Verified Question
#14
14. Shard Rebalancer
Category: String coding problemYou are implementing a shard management system for a distributed key-value store. Each shard is identified by a string and covers a contiguous range...Input: String
Output: Computed result
coding
Hard
Verified Question
#15
15. IP Address Iterator
Category: String coding problemEvery device on the public internet is identified by an IPv4 address written in dotted-decimal notation as
"A.B.C.D", where each octet is an...Input: StringOutput: Computed result
coding
Medium
Verified Question
#16
16. Version Support Finder
Category: Binary search coding problemA software company maintains a sorted list of version strings in ascending chronological order. A critical feature was introduced in one version, and...Input: List
Output: Computed result
coding
Medium
Verified Question
#17
17. Monster Battle Simulator
Category: String coding problemSimulate a deterministic, turn-based battle between two ordered teams of monsters. Execute the fight step by step and produce a chronological battle...Input: List
Output: Computed result
coding
Medium
Verified Question
#18
18. Distributed Tree Messaging
Category: Tree coding problemYou are implementing a message-passing protocol for a distributed system organized as a rooted n-ary tree. Each node represents a machine and...Input: List
Output: Printed output
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