郑之杰

UID: 5316, Registered at 2023-8-25 14:28:17, last login at 2023-8-25 14:28:17, currently offline.

Solved 4 problems, RP: 16 (No. 3105)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1441
P1444
P1442
P1443
Recent Activities

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

美团: 4