BUQ0oCQKj9

UID: 27130, Registered at 2025-12-21 17:34:57, last login at 2025-12-27 21:51:44, last active at 2025-12-28 22:20:55.

Solved 4 problems, RP: 16 (No. 7792)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3990
P4035
P4101
P4103
Recent Activities

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

思维: 1