# Info & Summary

• Date: 2025-04-05
• Completion Status: A ✅ / B ✅ / C ❌ / D ❌ / E ❌ / F ❌ / G ❌
• Problem Type:

Problem	Type(s)	Data Structure / Algo	🔥 Key Insight / Mark
C	Binary Search	Binary Search	⭐🛠️🔥
D	0-1 BFS	0-1 BFS	⭐🛠️🔥
E	Linear Sieve	Linear Sieve	⚠️
F	DP	Range DP	🔥
G	DP	DP	🌀

# Info & Summary

• Date: 2024-12-07
• Completion Status: A ✅ / B ✅ / C ✅ / D ✅ / E ❌ / F ❌ / G ❌
• Problem Type:

Problem	Type(s)	Data Structure / Algo	🔥 Key Insight / Mark
D	Math	linear sieve	🧠
E	Graph	DSU	🧠🌀
F	DP	DP	🌀
G	Divide and Conquer	Divide and Conquer & DP	🌀