From 2d37cd39e02789d09387b5dc1176fd8f71adf769 Mon Sep 17 00:00:00 2001
From: qiufeihong2018 <15058301288@163.com>
Date: Mon, 29 Apr 2024 18:19:48 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=200102.=E4=BA=8C=E5=8F=89=E6=A0=91?=
 =?UTF-8?q?=E7=9A=84=E5=B1=82=E5=BA=8F=E9=81=8D=E5=8E=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0102.二叉树的层序遍历.md | 30 ++++++++++++-----------
 1 file changed, 16 insertions(+), 14 deletions(-)

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 0a98ab88..1cb916b4 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
@@ -2809,21 +2809,23 @@ func maxDepth(root *TreeNode) int {
  * @param {TreeNode} root
  * @return {number}
  */
-var maxDepth = function(root) {
-    // 最大的深度就是二叉树的层数
-    if (root === null) return 0;
-    let queue = [root];
-    let height = 0;
-    while (queue.length) {
-        let n = queue.length;
-        height++;
-        for (let i=0; i<n; i++) {
-            let node = queue.shift();
-            node.left && queue.push(node.left);
-            node.right && queue.push(node.right);
-        }
+var maxDepth = function (root) {
+  // 二叉树的 最大深度 是指从根节点到最远叶子节点的最长路径上的节点数。
+  let max = 0,
+    queue = [root];
+  if (root === null) {
+    return max;
+  }
+  while (queue.length) {
+    max++;
+    let length = queue.length;
+    while (length--) {
+      let node = queue.shift();
+      node.left && queue.push(node.left);
+      node.right && queue.push(node.right);
     }
-    return height;
+  }
+  return max;
 };
 ```