# Info & Summary

• Date: 2025-04-12
• Completion Status: A ✅ / B ✅ / C ✅ / D ❌ / E ❌ / F ❌ / G ❌
• Problem Type:

Problem	Type(s)	Data Structure / Algo	🔥 Key Insight / Mark
D	String/constructive	Case Discussion/Greedy	⭐
E	Graph connectivity	DSU	⭐🔥🛠️
F	Tree	BFS/Sliding Window	⭐🔥🛠️
G	Bipartite matching	Binary Search/Max flow	🌀