LLD - Design — Chess Game
Design a system component to track castling rights efficiently during a chess game. Which data structure best supports constant-time updates and checks?
Design a system component to track castling rights efficiently during a chess game. Which data structure best supports constant-time updates and checks?
hard📝 Trade-off Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify requirements for castling rights tracking
We need quick updates and checks if castling is allowed for each side.Step 2: Evaluate data structures for efficiency
A bitmask can represent castling rights compactly and allow constant-time updates and checks.Final Answer:
A bitmask representing castling rights for each side -> Option AQuick Check:
Efficient castling rights tracking = C [OK]
Quick Trick: Use bitmask for fast castling rights checks [OK]
Common Mistakes:
- Using full move history slows checks
- Queues don't represent rights directly
- Hash maps add unnecessary complexity
Master "Design — Chess Game" in LLD
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore LLD Quizzes