From 66b63033aa0b828ef23a817a630d2973fccc1a06 Mon Sep 17 00:00:00 2001
From: youngyangyang04 <826123027@qq.com>
Date: Thu, 13 May 2021 09:37:53 +0800
Subject: [PATCH] Update

---
 problems/0024.两两交换链表中的节点.md | 2 +-
 problems/0541.反转字符串II.md              | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/problems/0024.两两交换链表中的节点.md b/problems/0024.两两交换链表中的节点.md
index aa284279..9f07b4f7 100644
--- a/problems/0024.两两交换链表中的节点.md
+++ b/problems/0024.两两交换链表中的节点.md
@@ -14,7 +14,7 @@
 你不能只是单纯的改变节点内部的值，而是需要实际的进行节点交换。
 
 
-![24.两两交换链表中的节点-题意](https://code-thinking.cdn.bcebos.com/pics/24.%E4%B8%A4%E4%B8%A4%E4%BA%A4%E6%8D%A2%E9%93%BE%E8%A1%A8%E4%B8%AD%E7%9A%84%E8%8A%82%E7%82%B9-%E9%A2%98%E6%84%8F.jpg)
+<img src='https://code-thinking.cdn.bcebos.com/pics/24.%E4%B8%A4%E4%B8%A4%E4%BA%A4%E6%8D%A2%E9%93%BE%E8%A1%A8%E4%B8%AD%E7%9A%84%E8%8A%82%E7%82%B9-%E9%A2%98%E6%84%8F.jpg' width=600 alt='24.两两交换链表中的节点-题意'> </img></div>
 
 ## 思路
 
diff --git a/problems/0541.反转字符串II.md b/problems/0541.反转字符串II.md
index 6a84006e..893c92f9 100644
--- a/problems/0541.反转字符串II.md
+++ b/problems/0541.反转字符串II.md
@@ -46,7 +46,7 @@ https://leetcode-cn.com/problems/reverse-string-ii/
 
 使用C++库函数reverse的版本如下：
 
-```
+```C++
 class Solution {
 public:
     string reverseStr(string s, int k) {
@@ -68,7 +68,8 @@ public:
 那么我们也可以实现自己的reverse函数，其实和题目[344. 反转字符串](https://mp.weixin.qq.com/s/X02S61WCYiCEhaik6VUpFA)道理是一样的。
 
 下面我实现的reverse函数区间是左闭右闭区间，代码如下：
-```
+
+```C++
 class Solution {
 public:
     void reverse(string& s, int start, int end) {