1429853139

UID: 13150, Registered at 2024-10-25 16:53:20, last login at 2024-12-4 20:23:51, currently offline.

Solved 1 problems, RP: 3 (No. 6438)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P2607
Recent Activities

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

动态规划: 1