koi

UID: 12399, Registered at 2024-9-24 16:34:45, last login at 2024-12-13 21:24:59, last active at 2024-12-23 16:45:58.

Solved 4 problems, RP: 13 (No. 3589)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P500
P2362
P2405
P2339
Recent Activities

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

模拟: 3
入门教程: 1