C20250515

UID: 624, Registered at 2023-4-23 1:53:51, last login at 2024-10-29 16:14:23, currently offline.

Solved 32 problems, RP: 69.8 (No. 408)

♂

Bio

你们可以去找UID为631的人聊天，很有意思。
Recent Activities

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