From 650e33bc709f59df007625ff524906c4bd59585c Mon Sep 17 00:00:00 2001
From: Chenxue3 <115330251+XueshanChen@users.noreply.github.com>
Date: Thu, 11 Jan 2024 14:50:59 +1300
Subject: [PATCH] =?UTF-8?q?update=20=E4=BA=8C=E5=8F=89=E6=A0=91=E7=90=86?=
 =?UTF-8?q?=E8=AE=BA=E5=9F=BA=E7=A1=80.md=20=E5=A2=9E=E5=8A=A0C#=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81?=
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---
 problems/二叉树理论基础.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/problems/二叉树理论基础.md b/problems/二叉树理论基础.md
index e2c6d83c..50d592a2 100644
--- a/problems/二叉树理论基础.md
+++ b/problems/二叉树理论基础.md
@@ -302,9 +302,19 @@ impl<T> TreeNode<T> {
         }
     }
 }
-```
 
+```
+```c#
+public class TreeNode
+{
+    public int val;
+    public TreeNode left;
+    public TreeNode right;
+    public TreeNode(int x) { val = x; }
+}
+```
 <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"/>
 </a>
+