yingkaihe

UID: 9504, Registered at 2024-4-25 1:15:41, last login at 2025-3-23 14:13:31, currently offline.

Solved 1 problems, RP: 7 (No. 9680)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1853
Recent Activities

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

oppo: 1