快乐的笨蛋

UID: 555, Registered at 2024-12-19 22:47:15, last login at 2025-12-7 11:46:46, currently offline.

Solved 2 problems, RP: 12 (No. 187)

Bio

This person is lazy and didn't write anything.
Accepted Problems
Y2
Y329
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.

一本通编程启蒙: 2