From 6e01224ee38f0f97fc1e455233948622e1dae6a0 Mon Sep 17 00:00:00 2001
From: fw_qaq <82551626+Jack-Zhang-1314@users.noreply.github.com>
Date: Tue, 15 Nov 2022 22:46:07 +0800
Subject: [PATCH] =?UTF-8?q?Update=200257.=E4=BA=8C=E5=8F=89=E6=A0=91?=
 =?UTF-8?q?=E7=9A=84=E6=89=80=E6=9C=89=E8=B7=AF=E5=BE=84.md?=
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---
 problems/0257.二叉树的所有路径.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/problems/0257.二叉树的所有路径.md b/problems/0257.二叉树的所有路径.md
index 0fb7ed0d..80ce518a 100644
--- a/problems/0257.二叉树的所有路径.md
+++ b/problems/0257.二叉树的所有路径.md
@@ -798,8 +798,7 @@ object Solution {
 rust:
 
 ```rust
-use std::cell::RefCell;
-use std::rc::Rc;
+// 遍历
 impl Solution {
     pub fn binary_tree_paths(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<String> {
         let mut res = vec![];