From a7d9d7aa23d2bb1d647d758b3ea1d65aef8e28e6 Mon Sep 17 00:00:00 2001
From: kok-s0s <2694308562@qq.com>
Date: Wed, 16 Jun 2021 09:39:16 +0800
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---
 ...»Žä¸­åº�与å�Žåº�é��历åº�列构造二å�‰æ ‘.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/problems/0106.从中�与���历�列构造二�树.md b/problems/0106.从中�与���历�列构造二�树.md
index 600a38e0..4c5a70a0 100644
--- a/problems/0106.从中�与���历�列构造二�树.md
+++ b/problems/0106.从中�与���历�列构造二�树.md
@@ -775,6 +775,20 @@ var buildTree = function(inorder, postorder) {
 };
 ```
 
+从��与中��历�列构造二�树
+
+```javascript
+var buildTree = function(preorder, inorder) {
+    if(!preorder.length)
+        return null;
+    let root = new TreeNode(preorder[0]);
+    let mid = inorder.findIndex((number) => number === root.val);
+    root.left = buildTree(preorder.slice(1, mid + 1), inorder.slice(0, mid));
+    root.right = buildTree(preorder.slice(mid + 1, preorder.length), inorder.slice(mid + 1, inorder.length));
+    return root;
+};
+```
+
 -----------------------
 * 作者微信：[程�员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代��想录](https://space.bilibili.com/525438321)