New
ML System Design & SQL tracks just landed
See what's new
×
Question Bank
Pricing
Blog
Forum
HOT
Referral
Description
Solution
Discussion
Submissions
Ask AI
Question Bank
Coding Question
AI Insights
Quick Summary
Manage a task system with explicit dependency tracking and automatic status synchronization.
Initialize new tasks based on prerequisite states and propagate updates through the dependency network.
Handle success-based unblocking and failure-based cascading across an acyclic graph.
What This Tests
Directed acyclic graph modeling and traversal
Bidirectional edge storage for efficient lookups
Conditional state machine transitions
Iterative versus recursive dependency resolution
Common Patterns
Graph Traversal
DFS/BFS
Hashing
Collapse
Hint 1
Hint 2
What Interviewers May Ask Next
Accepted
210
/812
Acceptance Rate
25.9%
Ask AI Assistant
Ask AI Assistant
Ask me anything about this coding question!
Qwen
Qwen3.6-Flash
0/2000
Auto
Debug
Run
Submit
Test Cases
Input
Output
Expected
