同问
by 032o35 @ 2022-07-15 19:49:03
只知道要先将子树旋转到根，求助后边步骤
by Dovish @ 2022-07-15 19:49:56
@[mzycwyc_lh](/user/614654) 实际上是把子树对应的区间的前驱和后继分别旋转到根和根的儿子，然后直接把旋转到儿子的那个的子树删了就可以
by 传奇666666 @ 2022-07-15 19:52:12
感谢dalao，orz
by Dovish @ 2022-07-15 19:55:21
此贴完结
by Dovish @ 2022-07-15 19:56:42