# Info & Summary

• Date: 2024-12-21
• Completion Status: A ✅ / B ✅ / C ✅ / D ✅ / E ❌ / F ❌ / G ❌
• Problem Type:

Problem	Type(s)	Data Structure / Algo	🔥 Key Insight / Mark
E	Max‐Coverage	Greedy	🧠
F	Math	Math	🌀
G	combinatorics on permutations	Insertion DP	🌀