（迫真大模拟）
by 囧仙 @ 2021-01-30 20:57:42
大模拟（确信
by Rui_R @ 2021-01-31 12:07:52
[这个](https://www.luogu.com.cn/problem/P2482)才是大模拟呢
by juruopplus @ 2021-01-31 22:07:59