自由的少年1305

UID: 53766, Registered at 2026-9-4 13:58:41, last login at 2026-9-7 13:30:44, last active at 2026-9-12 21:06:03.

Solved 5 problems, RP: 7.4 (No. 20151)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3563

P4219
P4220

P4221
P4222
Recent Activities

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

入门教程: 4
模拟: 1