From eb0504e5305ae37f3f6f569ebde423206ea11b0f Mon Sep 17 00:00:00 2001
From: eeee0717 <70054568+eeee0717@users.noreply.github.com>
Date: Sun, 19 Nov 2023 08:49:19 +0800
Subject: [PATCH] =?UTF-8?q?Update=20110.=E5=B9=B3=E8=A1=A1=E4=BA=8C?=
 =?UTF-8?q?=E5=8F=89=E6=A0=91=EF=BC=8C=E6=B7=BB=E5=8A=A0C#=E7=89=88?=
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---
 problems/0110.平衡二叉树.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/problems/0110.平衡二叉树.md b/problems/0110.平衡二叉树.md
index c7df9c8f..41669bff 100644
--- a/problems/0110.平衡二叉树.md
+++ b/problems/0110.平衡二叉树.md
@@ -908,6 +908,31 @@ impl Solution {
     }
 }
 ```
+### C#
+```C#
+public bool IsBalanced(TreeNode root)
+{
+    return GetHeight(root) == -1 ? false : true;
+}
+public int GetHeight(TreeNode root)
+{
+    if (root == null) return 0;
+    int left = GetHeight(root.left);
+    if (left == -1) return -1;
+    int right = GetHeight(root.right);
+    if (right == -1) return -1;
+    int res;
+    if (Math.Abs(left - right) > 1)
+    {
+        res = -1;
+    }
+    else
+    {
+        res = 1 + Math.Max(left, right);
+    }
+    return res;
+}
+```
 
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