dyjhappy

UID: 42049, Registered at 2026-5-27 11:57:16, last login at 2026-5-27 11:57:16, last active at 2026-6-2 23:02:42.

Solved 8 problems, RP: 33.16 (No. 9383)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4003

P4004
P4006

P4007
P4053

P4492
P4493

P4494
Recent Activities

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

入门教程: 3