诚恳的刺猬

UID: 51121, Registered at 2026-8-23 10:58:54, last login at 2026-9-12 12:22:10, last active at 2026-9-12 13:11:23.

Solved 4 problems, RP: 4 (No. 23277)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P500
P2242
P2243
P2244
Recent Activities

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

CPP算法基础课: 3
入门教程: 1