From 8df256e8dc58812274009ef5fd8bad90d31a8f21 Mon Sep 17 00:00:00 2001
From: baici1 <249337001@qq.com>
Date: Wed, 8 Sep 2021 19:18:02 +0800
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---
 problems/0102.二叉树的层序遍历.md | 36 ++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/problems/0102.二叉树的层序遍历.md b/problems/0102.二叉树的层序遍历.md
index ac43f0a5..598e274f 100644
--- a/problems/0102.二叉树的层序遍历.md
+++ b/problems/0102.二叉树的层序遍历.md
@@ -1570,9 +1570,43 @@ class Solution:
         return len(result)
 ```
 
-
 Go：
 
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+func maxDepth(root *TreeNode) int {
+    ans:=0
+    if root==nil{
+        return 0
+    }
+    queue:=list.New()
+    queue.PushBack(root)
+    for queue.Len()>0{
+        length:=queue.Len()
+        for i:=0;i<length;i++{
+            node:=queue.Remove(queue.Front()).(*TreeNode)
+            if node.Left!=nil{
+                queue.PushBack(node.Left)
+            }
+            if node.Right!=nil{
+                queue.PushBack(node.Right)
+            }
+        }
+        ans++//记录深度，其他的是层序遍历的板子
+    }
+    return ans
+}
+```
+
+
+
 JavaScript：
 
 # 111.二叉树的最小深度