BC20270172

UID: 2100, Registered at 2024-9-3 10:03:06, last login at 2025-1-8 10:49:06, currently offline.

Solved 0 problems, RP: 0 (No. ?)

Bio

时间，是一条河流。在未来，我们定会在河流的尽头重逢。
Recent Activities

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