From f056b7ece6be055f1f046869ee11c37cafaadd7d Mon Sep 17 00:00:00 2001
From: fw_qaq <82551626+Jack-Zhang-1314@users.noreply.github.com>
Date: Sun, 4 Dec 2022 16:49:13 +0800
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---
 .../0236.二叉树的最近公共祖先.md    | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/problems/0236.二叉树的最近公共祖先.md b/problems/0236.二叉树的最近公共祖先.md
index a34e8c21..eadae35e 100644
--- a/problems/0236.二叉树的最近公共祖先.md
+++ b/problems/0236.二叉树的最近公共祖先.md
@@ -384,6 +384,34 @@ object Solution {
 }
 ```
 
+## rust
+
+```rust
+impl Solution {
+    pub fn lowest_common_ancestor(
+        root: Option<Rc<RefCell<TreeNode>>>,
+        p: Option<Rc<RefCell<TreeNode>>>,
+        q: Option<Rc<RefCell<TreeNode>>>,
+    ) -> Option<Rc<RefCell<TreeNode>>> {
+        if root == p || root == q || root.is_none() {
+            return root;
+        }
+        let left = Self::lowest_common_ancestor(
+            root.as_ref().unwrap().borrow().left.clone(),
+            p.clone(),
+            q.clone(),
+        );
+        let right =
+            Self::lowest_common_ancestor(root.as_ref().unwrap().borrow().right.clone(), p, q);
+        match (&left, &right) {
+            (None, Some(_)) => right,
+            (Some(_), Some(_)) => root,
+            _ => left,
+        }
+    }
+}
+```
+
 <p align="center">
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>