daichen

UID: 146, Registered at 2025-7-8 14:07:22, last login at 2026-1-16 16:11:00, currently offline.

Solved 3 problems, RP: 20 (No. 139)

Bio

This person is lazy and didn't write anything.
Accepted Problems
J0021
J0030
J0004
Recent Activities

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

This person is lazy and didn't write any solutions.

2017: 1
NOIp 普及组: 1