&#20462;&#21098;&#20108;&#21449;&#25628;&#32034;&#26641;

[&#39064;&#30446;](https://leetcode.cn/problems/trim-a-binary-search-tree/)

[&#25105;&#30340;&#35299;&#27861;](https://github.com/FE-Sadhu/Data-Structures-and-Algorithms/issues/76)