Homework Introduction
P3647是紫题，很有意思，思维比较难
P6419是紫题，但是不难，真的不难
Problem
Please claim the assignment to see the problems.
- Status
- Live...
- Problem
- 6
- Open Since
- 2025-11-26 11:30
- Deadline
- 2026-1-3 23:59
- Extension
- 24 hour(s)
P3647是紫题，很有意思，思维比较难
P6419是紫题，但是不难，真的不难