观察者模式伪代码 - Problem Statistics - CodeFun2000

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	luti	86ms	7.8 MiB	C++14(O2)	2.1 KiB	2026-10-19 11:52:51

ID: 5511
Time: 1000ms
Memory: 256MiB
Difficulty: 4
Tags: (None)
# Submissions: 6
Accepted: 1
Uploaded By: TaZi