![https://cdn.luogu.com.cn/upload/image_hosting/9rtjowtz.png](https://cdn.luogu.com.cn/upload/image_hosting/9rtjowtz.png)
by tribool4_in @ 2021-03-26 20:38:00
~~好一个自称萌新~~
旋转操作中加了引用,旋转后原来的p值也变了。
比如```zig(tr[x].l)```,旋转后```tr[x].l```的值也变了,即已经换了一个儿子
by LroseC @ 2021-03-26 20:43:58
~~突然想举报,总觉得自己上钩了~~
by LroseC @ 2021-03-26 20:46:54
~~别的不嗦,一起66吗?~~
by Baiwhiter @ 2021-03-26 20:48:59
~~青光眼患者,抱歉~~,此贴结
by Night_Bringer @ 2021-03-26 20:49:32