代码？
by InversionShadow @ 2022-12-18 14:57:47
@[zhf19892068456](/user/870291) 什么意思，您是要求助吗，那么您的代码呢？
by SlaineTroyard @ 2022-12-18 15:17:24
[您这不是已经AC了吗](https://www.luogu.com.cn/record/97567350)
请删掉此贴。
by SlaineTroyard @ 2022-12-18 15:17:59