New
ML System Design & SQL tracks just landed
See what's new
×
Question Bank
Pricing
Blog
Forum
HOT
JobRadar
NEW
Referral
Description
Solution
Discussion
Submissions
Ask AI
Question Bank
TikTok
Coding Question
AI Insights
Quick Summary
Navigate from a starting position to any boundary cell in a grid.
Avoid a spreading threat that occupies adjacent cells each turn.
Find the minimum turns to reach safety or determine escape is impossible.
What This Tests
Multi-source Breadth-First Search
Temporal constraint handling in pathfinding
Grid simulation and state management
Shortest path optimization
Common Patterns
DFS/BFS
Graph Traversal
Collapse
Hint 1
Hint 2
What Interviewers May Ask Next
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
