liusumail@foxmail.com

UID: 1755, Registered at 2023-4-2 11:50:35, last login at 2023-8-20 21:16:21, currently offline.

Solved 5 problems, RP: 27 (No. 2323)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1137

P1138
P1139

P1140
P1141
Recent Activities

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

美团: 5