# Info & Summary

• Date: 2025-01-25
• Completion Status: A ✅ / B ✅ / C ✅ / D ✅ / E ❌ / F ❌ / G ❌
• Problem Type:

Problem	Type(s)	Data Structure / Algo	🔥 Key Insight / Mark
D	Bell Number	DFS/Bell Number	⭐🔥🧠
E	DP	DP/Binary Search	🔥