Kisray

UID: 33871, Registered at 2026-4-7 17:12:49, last login at 2026-4-10 16:53:12, currently offline.

Solved 1 problems, RP: 0 (No. ?)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4492
Recent Activities

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

入门教程: 1