时间零

UID: 39509, Registered at 2026-5-7 9:23:59, last login at 2026-6-25 17:56:28, currently offline.

Solved 7 problems, RP: 19 (No. 12138)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4489

P4492
P4493

P4494
P4496

P4497
P4504
Recent Activities

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

入门教程: 3