New
The Learning module is now live
See what's new
×
Question Bank
Learning
NEW
Pricing
Blog
Forum
HOT
JobRadar
Description
Solution
Discussion
Submissions
Ask AI
Question Bank
Coding Question
Hack2hire 50 Picks
AI Insights
Quick Summary
Simulate participant progression through sequential rooms in a game environment.
Track real-time room populations and rank players by progress and entry order.
Design efficient data structures to handle frequent updates and top-k queries.
What This Tests
Priority Queue customization and multi-key tie-breaking
Hash Map state management for O(1) lookups
Array-based frequency counting
Trade-offs between update and query complexity
Common Patterns
Heap / Priority Queue
Hashing
Sorting
Collapse
Hint 1
Hint 2
Hint 3
What Interviewers May Ask Next
Accepted
2.7k
/7.6k
Acceptance Rate
35.0%
Ask AI Assistant
Ask AI Assistant
Ask me anything about this coding question!
Qwen
Qwen3.7-Flash
0/2000
Auto
Debug
Run
Submit
Test Cases
Input
Output
Expected
