Qin1143-

UID: 21231, Registered at 2025-9-4 22:50:15, last login at 2025-9-4 22:50:15, last active at 2025-9-6 0:04:39.

Solved 1 problems, RP: 10 (No. 7127)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3479
Recent Activities

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

数据结构: 1