From f9adafdbcdedfc9fb826ef51b8cf0e58aeaf3e50 Mon Sep 17 00:00:00 2001
From: QuinnDK <39618652+QuinnDK@users.noreply.github.com>
Date: Thu, 13 May 2021 10:19:25 +0800
Subject: [PATCH] =?UTF-8?q?Update=200098.=E9=AA=8C=E8=AF=81=E4=BA=8C?=
 =?UTF-8?q?=E5=8F=89=E6=90=9C=E7=B4=A2=E6=A0=91.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 problems/0098.验证二叉搜索树.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/problems/0098.验证二叉搜索树.md b/problems/0098.验证二叉搜索树.md
index baa3f435..ddd634b4 100644
--- a/problems/0098.验证二叉搜索树.md
+++ b/problems/0098.验证二叉搜索树.md
@@ -260,7 +260,25 @@ Python：
 
 
 Go：
+```Go
+import "math"
 
+func isValidBST(root *TreeNode) bool {
+	if root == nil {
+		return true
+	}
+	return isBST(root, math.MinInt64, math.MaxFloat64)
+}
+func isBST(root *TreeNode, min, max int) bool {
+	if root == nil {
+		return true
+	}
+	if min >= root.Val || max <= root.Val {
+		return false
+	}
+	return isBST(root.Left, min, root.Val) && isBST(root.Right, root.Val, max)
+}
+```