qin

UID: 52, Registered at 2025-12-5 16:32:11, last login at 2026-1-15 15:35:31, last active at 2026-1-16 13:23:09.

Solved 2 problems, RP: 5 (No. 8)

MOD

Bio

This person is lazy and didn't write anything.
Accepted Problems
P2116
P2100
Recent Activities

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

模拟: 2
ACSL: 2
2023: 1
2024: 1
字符串: 1