清醒的刺猬

UID: 52291, Registered at 2026-8-29 20:38:44, last login at 2026-9-9 9:35:47, last active at 2026-9-13 19:17:40.

Solved 3 problems, RP: 27.8 (No. 13335)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5188
P5267
P5340
Recent Activities

This person is lazy and didn't join any contests or homework.

动态规划: 2
其他: 1
构造: 1