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26
README.md
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👉 推荐 [在线阅读](http://programmercarl.com/) (Github在国内访问经常不稳定)
👉 推荐 [Gitee同步](https://gitee.com/programmercarl/leetcode-master)
> 1. **介绍**：本项目是一套完整的刷题计划，旨在帮助大家少走弯路，循序渐进学算法，[关注作者](#关于作者)
> 2. **PDF版本** ： [「代码随想录」算法精讲 PDF 版本](https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ) 。
> 2. **PDF版本** ： [「代码随想录」算法精讲 PDF 版本](https://mp.weixin.qq.com/s/NF7NqTD9DU505S6nvR_5Wg) 。
> 3. **刷题顺序** ： README已经将刷题顺序排好了，按照顺序一道一道刷就可以。
> 3. **学习社区** : 一起学习打卡/面试技巧/如何选择offer/大厂内推/职场规则/简历修改/技术分享/程序人生。欢迎加入[「代码随想录」知识星球](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ) 。
> 4. **提交代码**：本项目统一使用C++语言进行讲解，但已经有Java、Python、Go、JavaScript等等多语言版本，感谢[这里的每一位贡献者](https://github.com/youngyangyang04/leetcode-master/graphs/contributors)，如果你也想贡献代码点亮你的头像，[点击这里](https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A)了解提交代码的方式。
> 5. **转载须知** ：以下所有文章皆为我（[程序员Carl](https://github.com/youngyangyang04)）的原创。引用本项目文章请注明出处，发现恶意抄袭或搬运，会动用法律武器维护自己的权益。让我们一起维护一个良好的技术创作环境！
> 4. **学习社区** : 一起学习打卡/面试技巧/如何选择offer/大厂内推/职场规则/简历修改/技术分享/程序人生。欢迎加入[「代码随想录」知识星球](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ) 。
> 5. **提交代码**：本项目统一使用C++语言进行讲解，但已经有Java、Python、Go、JavaScript等等多语言版本，感谢[这里的每一位贡献者](https://github.com/youngyangyang04/leetcode-master/graphs/contributors)，如果你也想贡献代码点亮你的头像，[点击这里](https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A)了解提交代码的方式。
> 6. **转载须知** ：以下所有文章皆为我（[程序员Carl](https://github.com/youngyangyang04)）的原创。引用本项目文章请注明出处，发现恶意抄袭或搬运，会动用法律武器维护自己的权益。让我们一起维护一个良好的技术创作环境！
<p align="center">
<a href="https://github.com/youngyangyang04/leetcode-master" target="_blank">
<img src="https://img-blog.csdnimg.cn/20210318112734278.png" width="300"/>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="./pics/阿里云.png" width="1000"/>
</a>
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="./pics/知识星球.png" width="600"/>
</a>
# LeetCode 刷题攻略
## 刷题攻略的背景

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problems/0001.两数之和.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 1. 两数之和
@ -250,7 +247,7 @@ class Solution {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0005.最长回文子串.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -440,7 +437,7 @@ var longestPalindrome = function(s) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0015.三数之和.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -438,7 +435,7 @@ func threeSum(_ nums: [Int]) -> [[Int]] {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0017.电话号码的字母组合.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 17.电话号码的字母组合
@ -485,7 +482,7 @@ char ** letterCombinations(char * digits, int* returnSize){
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0018.四数之和.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 一样的道理，能解决四数之和
@ -404,7 +401,7 @@ func fourSum(_ nums: [Int], _ target: Int) -> [[Int]] {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0019.删除链表的倒数第N个节点.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -230,7 +227,7 @@ func removeNthFromEnd(_ head: ListNode?, _ n: Int) -> ListNode? {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0020.有效的括号.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -287,7 +284,7 @@ var isValid = function(s) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0024.两两交换链表中的节点.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 24. 两两交换链表中的节点
@ -280,7 +277,7 @@ func swapPairs(_ head: ListNode?) -> ListNode? {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0027.移除元素.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 27. 移除元素
@ -287,7 +284,7 @@ int removeElement(int* nums, int numsSize, int val){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0028.实现strStr.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 在一个串中查找是否出现过另一个串，这是KMP的看家本领。
@ -899,7 +896,7 @@ var strStr = function (haystack, needle) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0031.下一个排列.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -224,7 +221,7 @@ var nextPermutation = function(nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

37
problems/0034.在排序数组中查找元素的第一个和最后一个位置.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 34. 在排序数组中查找元素的第一个和最后一个位置
@ -29,7 +26,7 @@
* 输出：[-1,-1]
# 思路
## 思路
这道题目如果基础不是很好，不建议大家看简短的代码，简短的代码隐藏了太多逻辑，结果就是稀里糊涂把题AC了，但是没有想清楚具体细节！
@ -54,7 +51,7 @@
**刚刚接触二分搜索的同学不建议上来就像如果用一个二分来查找左右边界，很容易把自己绕进去，建议扎扎实实的写两个二分分别找左边界和右边界**
## 寻找右边界
### 寻找右边界
先来寻找右边界，至于二分查找，如果看过[704.二分查找](https://programmercarl.com/0704.二分查找.html)就会知道，二分查找中什么时候用while (left <= right)，有什么时候用while (left < right)，其实只要清楚**循环不变量**，很容易区分两种写法。
@ -84,7 +81,7 @@ int getRightBorder(vector<int>& nums, int target) {
}
```
## 寻找左边界
### 寻找左边界
```CPP
// 二分查找，寻找target的左边界leftBorder（不包括target）
@ -106,7 +103,7 @@ int getLeftBorder(vector<int>& nums, int target) {
}
```
## 处理三种情况
### 处理三种情况
左右边界计算完之后，看一下主体代码，这里把上面讨论的三种情况，都覆盖了
@ -161,16 +158,16 @@ private:
但拆开更清晰一些，而且把三种情况以及对应的处理逻辑完整的展现出来了。
# 总结
## 总结
初学者建议大家一块一块的去分拆这道题目，正如本题解描述，想清楚三种情况之后，先专注于寻找右区间，然后专注于寻找左区间，左右根据左右区间做最后判断。
不要上来就想如果一起寻找左右区间，搞着搞着就会顾此失彼，绕进去拔不出来了。
# 其他语言版本
## 其他语言版本
## Java
### Java
```java
class Solution {
@ -272,7 +269,7 @@ class Solution {
## Python
### Python
```python
class Solution:
@ -388,12 +385,12 @@ class Solution:
return [leftBorder, rightBorder]
```
## Go
### Go
```go
```
## JavaScript
### JavaScript
```js
var searchRange = function(nums, target) {
@ -440,7 +437,7 @@ var searchRange = function(nums, target) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0035.搜索插入位置.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -322,7 +319,7 @@ func searchInsert(_ nums: [Int], _ target: Int) -> Int {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0037.解数独.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
如果对回溯法理论还不清楚的同学，可以先看这个视频[视频来了！！带你学透回溯算法（理论篇）](https://mp.weixin.qq.com/s/wDd5azGIYWjbU0fdua_qBg)
@ -507,7 +504,7 @@ void solveSudoku(char** board, int boardSize, int* boardColSize) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0039.组合总和.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 39. 组合总和
@ -450,7 +447,7 @@ int** combinationSum(int* candidates, int candidatesSize, int target, int* retur
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0040.组合总和II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 这篇可以说是全网把组合问题如何去重，讲的最清晰的了！
@ -522,7 +519,7 @@ int** combinationSum2(int* candidates, int candidatesSize, int target, int* retu
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0042.接雨水.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 这个图就是大厂面试经典题目，接雨水！ 最常青藤的一道题，面试官百出不厌！
@ -744,7 +741,7 @@ int trap(int* height, int heightSize) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0045.跳跃游戏II.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 相对于[贪心算法：跳跃游戏](https://mp.weixin.qq.com/s/606_N9j8ACKCODoCbV1lSA)难了不少，做好心里准备！
@ -233,7 +230,7 @@ var jump = function(nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

21
problems/0046.全排列.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 46.全排列
@ -40,7 +37,7 @@
我以[1,2,3]为例，抽象成树形结构如下：
![46.全排列](https://img-blog.csdnimg.cn/20201209174225145.png)
![46.全排列](https://code-thinking-1253855093.file.myqcloud.com/pics/20211027181706.png)
### 回溯三部曲
@ -52,7 +49,7 @@
但排列问题需要一个used数组，标记已经选择的元素，如图橘黄色部分所示:
![46.全排列](https://img-blog.csdnimg.cn/20201209174225145.png)
![46.全排列](https://code-thinking-1253855093.file.myqcloud.com/pics/20211027181706.png)
代码如下：
@ -402,7 +399,7 @@ int** permute(int* nums, int numsSize, int* returnSize, int** returnColumnSizes)
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0047.全排列II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 排列问题（二）
@ -296,7 +293,7 @@ var permuteUnique = function (nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0051.N皇后.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 第51题. N皇后
@ -475,7 +472,7 @@ var solveNQueens = function(n) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0052.N皇后II.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -146,7 +143,7 @@ var totalNQueens = function(n) {
};
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0053.最大子序和.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 53. 最大子序和
@ -232,7 +229,7 @@ var maxSubArray = function(nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0053.最大子序和（动态规划）.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 53. 最大子序和
@ -189,7 +186,7 @@ const maxSubArray = nums => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

21
problems/0055.跳跃游戏.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 55. 跳跃游戏
@ -92,8 +89,8 @@ class Solution {
if (nums.length == 1) {
return true;
}
//覆盖范围
int coverRange = nums[0];
//覆盖范围, 初始覆盖范围应该是0，因为下面的迭代是从下标0开始的
int coverRange = 0;
//在覆盖范围内更新最大的覆盖范围
for (int i = 0; i <= coverRange; i++) {
coverRange = Math.max(coverRange, i + nums[i]);
@ -158,7 +155,7 @@ var canJump = function(nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0056.合并区间.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 56. 合并区间
@ -271,7 +268,7 @@ var merge = function(intervals) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0059.螺旋矩阵II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -539,7 +536,7 @@ int** generateMatrix(int n, int* returnSize, int** returnColumnSizes){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0062.不同路径.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 62.不同路径
@ -349,7 +346,7 @@ var uniquePaths = function(m, n) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0063.不同路径II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 63. 不同路径 II
@ -338,7 +335,7 @@ var uniquePathsWithObstacles = function(obstacleGrid) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0070.爬楼梯.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 70. 爬楼梯
[力扣题目链接](https://leetcode-cn.com/problems/climbing-stairs/)
@ -298,7 +295,7 @@ var climbStairs = function(n) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0070.爬楼梯完全背包版本.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 动态规划：以前我没得选，现在我选择再爬一次！
之前讲这道题目的时候，因为还没有讲背包问题，所以就只是讲了一下爬楼梯最直接的动规方法（斐波那契）。
@ -203,7 +200,7 @@ var climbStairs = function(n) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0072.编辑距离.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 72. 编辑距离
@ -330,7 +327,7 @@ const minDistance = (word1, word2) => {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0077.组合.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -624,7 +621,7 @@ int** combine(int n, int k, int* returnSize, int** returnColumnSizes){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0077.组合优化.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -297,7 +294,7 @@ int** combine(int n, int k, int* returnSize, int** returnColumnSizes){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0078.子集.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 78.子集
@ -333,7 +330,7 @@ int** subsets(int* nums, int numsSize, int* returnSize, int** returnColumnSizes)
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0084.柱状图中最大的矩形.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 84.柱状图中最大的矩形
@ -489,7 +486,7 @@ var largestRectangleArea = function(heights) {
};
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0090.子集II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 子集问题（二）
@ -363,7 +360,7 @@ int** subsetsWithDup(int* nums, int numsSize, int* returnSize, int** returnColum
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0093.复原IP地址.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -535,7 +532,7 @@ char ** restoreIpAddresses(char * s, int* returnSize){
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0096.不同的二叉搜索树.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 96.不同的二叉搜索树
@ -231,7 +228,7 @@ const numTrees =(n) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0098.验证二叉搜索树.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 98.验证二叉搜索树
@ -526,7 +523,7 @@ var isValidBST = function (root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0100.相同的树.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -244,7 +241,7 @@ JavaScript：
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0101.对称二叉树.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 101. 对称二叉树
@ -579,7 +576,7 @@ var isSymmetric = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0102.二叉树的层序遍历.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 二叉树层序遍历登场！
@ -1903,7 +1900,7 @@ var minDepth = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0104.二叉树的最大深度.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
看完本篇可以一起做了如下两道题目：
@ -601,7 +598,7 @@ var maxDepth = function(root) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0106.从中序与后序遍历序列构造二叉树.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
看完本文，可以一起解决如下两道题目
@ -892,7 +889,7 @@ struct TreeNode* buildTree(int* preorder, int preorderSize, int* inorder, int in
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0108.将有序数组转换为二叉搜索树.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 构造二叉搜索树，一不小心就平衡了
@ -396,7 +393,7 @@ struct TreeNode* sortedArrayToBST(int* nums, int numsSize) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0110.平衡二叉树.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 求高度还是求深度，你搞懂了不？
@ -739,7 +736,7 @@ bool isBalanced(struct TreeNode* root){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0111.二叉树的最小深度.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 和求最大深度一个套路？
@ -410,7 +407,7 @@ var minDepth = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0112.路径总和.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 递归函数什么时候需要返回值
@ -708,7 +705,7 @@ var pathsum = function(root, targetsum) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0115.不同的子序列.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 115.不同的子序列
@ -271,7 +268,7 @@ const numDistinct = (s, t) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0116.填充每个节点的下一个右侧节点指针.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 116. 填充每个节点的下一个右侧节点指针
@ -257,7 +254,7 @@ const connect = root => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0121.买卖股票的最佳时机.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 121. 买卖股票的最佳时机
@ -371,7 +368,7 @@ var maxProfit = function(prices) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0122.买卖股票的最佳时机II.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 122.买卖股票的最佳时机II
@ -283,7 +280,7 @@ int maxProfit(int* prices, int pricesSize){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0122.买卖股票的最佳时机II（动态规划）.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 122.买卖股票的最佳时机II
@ -268,7 +265,7 @@ const maxProfit = (prices) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0123.买卖股票的最佳时机III.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 123.买卖股票的最佳时机III
@ -353,7 +350,7 @@ const maxProfit = prices => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0127.单词接龙.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 127. 单词接龙
@ -178,7 +175,7 @@ var ladderLength = function(beginWord, endWord, wordList) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0129.求根到叶子节点数字之和.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 129. 求根节点到叶节点数字之和
[力扣题目链接](https://leetcode-cn.com/problems/sum-root-to-leaf-numbers/)
@ -294,7 +291,7 @@ var sumNumbers = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0131.分割回文串.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 切割问题其实是一种组合问题！
@ -454,7 +451,7 @@ var partition = function(s) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0132.分割回文串II.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -287,7 +284,7 @@ var minCut = function(s) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0134.加油站.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 134. 加油站
@ -376,7 +373,7 @@ int canCompleteCircuit(int* gas, int gasSize, int* cost, int costSize){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0135.分发糖果.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 135. 分发糖果
@ -242,7 +239,7 @@ var candy = function(ratings) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0139.单词拆分.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -316,7 +313,7 @@ const wordBreak = (s, wordDict) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

34
problems/0141.环形链表.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 141. 环形链表
@ -17,7 +14,7 @@
![](https://code-thinking-1253855093.file.myqcloud.com/pics/20210727173600.png)
# 思路
## 思路
可以使用快慢指针法， 分别定义 fast 和 slow指针，从头结点出发，fast指针每次移动两个节点，slow指针每次移动一个节点，如果 fast 和 slow指针在途中相遇 ，说明这个链表有环。
@ -62,16 +59,15 @@ public:
};
```
# 扩展
## 扩展
做完这道题目，可以在做做142.环形链表II，不仅仅要找环，还要找环的入口。
142.环形链表II题解：[链表：环找到了，那入口呢？](https://programmercarl.com/0142.环形链表II.html)
做完这道题目，可以在做做[142.环形链表II](https://mp.weixin.qq.com/s/gt_VH3hQTqNxyWcl1ECSbQ)，不仅仅要找环，还要找环的入口。
# 其他语言版本
## Java
## 其他语言版本
### Java
```java
public class Solution {
@ -91,7 +87,7 @@ public class Solution {
}
```
## Python
### Python
```python
class Solution:
@ -111,7 +107,7 @@ class Solution:
```go
```
## JavaScript
### JavaScript
```js
var hasCycle = function(head) {
@ -129,7 +125,7 @@ var hasCycle = function(head) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0142.环形链表II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -331,7 +328,7 @@ extension ListNode: Equatable {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

125
problems/0143.重排链表.md
View File

@ -1,16 +1,13 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 143.重排链表
![](https://code-thinking-1253855093.file.myqcloud.com/pics/20210726160122.png)
# 思路
## 思路
本篇将给出三种C++实现的方法
@ -18,7 +15,7 @@
* 双向队列模拟
* 直接分割链表
## 方法一
### 方法一
把链表放进数组中，然后通过双指针法，一前一后，来遍历数组，构造链表。
@ -55,7 +52,7 @@ public:
};
```
## 方法二
### 方法二
把链表放进双向队列，然后通过双向队列一前一后弹出数据，来构造新的链表。这种方法比操作数组容易一些，不用双指针模拟一前一后了
@ -92,7 +89,7 @@ public:
};
```
## 方法三
### 方法三
将链表分割成两个链表，然后把第二个链表反转，之后在通过两个链表拼接成新的链表。
@ -168,54 +165,11 @@ public:
};
```
# 其他语言版本
## 其他语言版本
Java：
### Java
```java
// 方法三
public class ReorderList {
public void reorderList(ListNode head) {
ListNode fast = head, slow = head;
//求出中点
while (fast.next != null && fast.next.next != null) {
slow = slow.next;
fast = fast.next.next;
}
//right就是右半部分 12345 就是45 1234 就是34
ListNode right = slow.next;
//断开左部分和右部分
slow.next = null;
//反转右部分 right就是反转后右部分的起点
right = reverseList(right);
//左部分的起点
ListNode left = head;
//进行左右部分来回连接
//这里左部分的节点个数一定大于等于右部分的节点个数 因此只判断right即可
while (right != null) {
ListNode curLeft = left.next;
left.next = right;
left = curLeft;
ListNode curRight = right.next;
right.next = left;
right = curRight;
}
}
public ListNode reverseList(ListNode head) {
ListNode headNode = new ListNode(0);
ListNode cur = head;
ListNode next = null;
while (cur != null) {
next = cur.next;
cur.next = headNode.next;
headNode.next = cur;
cur = next;
}
return headNode.next;
}
}
// 方法一 Java实现，使用数组存储节点
class Solution {
@ -278,10 +232,54 @@ class Solution {
}
}
// 方法三
public class ReorderList {
public void reorderList(ListNode head) {
ListNode fast = head, slow = head;
//求出中点
while (fast.next != null && fast.next.next != null) {
slow = slow.next;
fast = fast.next.next;
}
//right就是右半部分 12345 就是45 1234 就是34
ListNode right = slow.next;
//断开左部分和右部分
slow.next = null;
//反转右部分 right就是反转后右部分的起点
right = reverseList(right);
//左部分的起点
ListNode left = head;
//进行左右部分来回连接
//这里左部分的节点个数一定大于等于右部分的节点个数 因此只判断right即可
while (right != null) {
ListNode curLeft = left.next;
left.next = right;
left = curLeft;
ListNode curRight = right.next;
right.next = left;
right = curRight;
}
}
public ListNode reverseList(ListNode head) {
ListNode headNode = new ListNode(0);
ListNode cur = head;
ListNode next = null;
while (cur != null) {
next = cur.next;
cur.next = headNode.next;
headNode.next = cur;
cur = next;
}
return headNode.next;
}
}
```
Python：
```python3
### Python
```python
# 方法二 双向队列
class Solution:
def reorderList(self, head: ListNode) -> None:
@ -336,9 +334,10 @@ class Solution:
cur = temp
return pre
```
Go：
### Go
### JavaScript
JavaScript：
```javascript
// 方法一 使用数组存储节点
var reorderList = function(head, s = [], tmp) {
@ -443,7 +442,7 @@ var reorderList = function(head, s = [], tmp) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0150.逆波兰表达式求值.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -245,7 +242,7 @@ class Solution:
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0151.翻转字符串里的单词.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -638,7 +635,7 @@ func reverseWord(_ s: inout [Character]) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0160.相交链表.md
View File

@ -1,14 +1,11 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
同：[链表：链表相交](https://programmercarl.com/面试题02.07.链表相交.html)
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0188.买卖股票的最佳时机IV.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 188.买卖股票的最佳时机IV
@ -364,7 +361,7 @@ var maxProfit = function(k, prices) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0189.旋转数组.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 189. 旋转数组
@ -152,7 +149,7 @@ var rotate = function (nums, k) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0198.打家劫舍.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 198.打家劫舍
@ -195,7 +192,7 @@ const rob = nums => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0202.快乐数.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -298,7 +295,7 @@ class Solution {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

52
problems/0203.移除链表元素.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 链表操作中，可以使用原链表来直接进行删除操作，也可以设置一个虚拟头结点在进行删除操作，接下来看一看哪种方式更方便。
@ -358,8 +355,43 @@ func removeElements(head *ListNode, val int) *ListNode {
}
```
RUST:
```rust
// Definition for singly-linked list.
// #[derive(PartialEq, Eq, Clone, Debug)]
// pub struct ListNode {
// pub val: i32,
// pub next: Option<Box<ListNode>>
// }
//
// impl ListNode {
// #[inline]
// fn new(val: i32) -> Self {
// ListNode {
// next: None,
// val
// }
// }
// }
impl Solution {
pub fn remove_elements(head: Option<Box<ListNode>>, val: i32) -> Option<Box<ListNode>> {
let mut head = head;
let mut dummy_head = ListNode::new(0);
let mut cur = &mut dummy_head;
while let Some(mut node) = head {
head = std::mem::replace(&mut node.next, None);
if node.val != val {
cur.next = Some(node);
cur = cur.next.as_mut().unwrap();
}
}
dummy_head.next
}
}
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0205.同构字符串.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 205. 同构字符串
@ -142,7 +139,7 @@ var isIsomorphic = function(s, t) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0206.翻转链表.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 反转链表的写法很简单，一些同学甚至可以背下来但过一阵就忘了该咋写，主要是因为没有理解真正的反转过程。
@ -452,7 +449,7 @@ struct ListNode* reverseList(struct ListNode* head){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0209.长度最小的子数组.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 209.长度最小的子数组
@ -294,7 +291,7 @@ class Solution {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0213.打家劫舍II.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 213.打家劫舍II
@ -205,7 +202,7 @@ func max(a, b int) int {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0216.组合总和III.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -451,7 +448,7 @@ int** combinationSum3(int k, int n, int* returnSize, int** returnColumnSizes){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0222.完全二叉树的节点个数.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 222.完全二叉树的节点个数
@ -452,7 +449,7 @@ var countNodes = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0225.用队列实现栈.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -601,7 +598,7 @@ MyStack.prototype.empty = function() {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0226.翻转二叉树.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 226.翻转二叉树
@ -611,7 +608,7 @@ struct TreeNode* invertTree(struct TreeNode* root){
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0232.用栈实现队列.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 工作上一定没人这么搞，但是考察对栈、队列理解程度的好题
@ -353,7 +350,7 @@ MyQueue.prototype.empty = function() {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

33
problems/0234.回文链表.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 234.回文链表
@ -22,9 +19,9 @@
* 输出: true
# 思路
## 思路
## 数组模拟
### 数组模拟
最直接的想法，就是把链表装成数组，然后再判断是否回文。
@ -79,7 +76,7 @@ public:
```
## 反转后半部分链表
### 反转后半部分链表
分为如下几步：
@ -139,9 +136,9 @@ public:
```
# 其他语言版本
## 其他语言版本
## Java
### Java
```java
// 方法一，使用数组
@ -215,9 +212,9 @@ class Solution {
}
```
## Python
### Python
```python3
```python
#数组模拟
class Solution:
def isPalindrome(self, head: ListNode) -> bool:
@ -281,7 +278,7 @@ class Solution:
```
## JavaScript
### JavaScript
```js
var isPalindrome = function(head) {
@ -324,7 +321,7 @@ var isPalindrome = function(head) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0235.二叉搜索树的最近公共祖先.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 235. 二叉搜索树的最近公共祖先
@ -354,7 +351,7 @@ var lowestCommonAncestor = function(root, p, q) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0236.二叉树的最近公共祖先.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 本来是打算将二叉树和二叉搜索树的公共祖先问题一起讲，后来发现篇幅过长了，只能先说一说二叉树的公共祖先问题。
@ -342,7 +339,7 @@ var lowestCommonAncestor = function(root, p, q) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0239.滑动窗口最大值.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -422,7 +419,7 @@ var maxSlidingWindow = function (nums, k) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0242.有效的字母异位词.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
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</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 数组就是简单的哈希表，但是数组的大小可不是无限开辟的
@ -283,7 +280,7 @@ impl Solution {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0257.二叉树的所有路径.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
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</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 以为只用了递归，其实还用了回溯
@ -586,7 +583,7 @@ var binaryTreePaths = function(root) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0279.完全平方数.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 动态规划：一样的套路，再求一次完全平方数
## 279.完全平方数
@ -358,7 +355,7 @@ var numSquares2 = function(n) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0283.移动零.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 动态规划：一样的套路，再求一次完全平方数
@ -113,7 +110,7 @@ var moveZeroes = function(nums) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0300.最长上升子序列.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 300.最长递增子序列
@ -199,7 +196,7 @@ const lengthOfLIS = (nums) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0309.最佳买卖股票时机含冷冻期.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 309.最佳买卖股票时机含冷冻期
@ -234,7 +231,7 @@ const maxProfit = (prices) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0322.零钱兑换.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
# 动态规划： 给我个机会，我再兑换一次零钱
## 322. 零钱兑换
@ -327,7 +324,7 @@ const coinChange = (coins, amount) => {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0332.重新安排行程.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
> 这也可以用回溯法？ 其实深搜和回溯也是相辅相成的，毕竟都用递归。
@ -448,7 +445,7 @@ var findItinerary = function(tickets) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0337.打家劫舍III.md
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@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
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<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 337.打家劫舍 III
@ -463,7 +460,7 @@ func max(a, b int) int {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0343.整数拆分.md
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<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
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<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
## 343. 整数拆分
@ -273,7 +270,7 @@ var integerBreak = function(n) {
```
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0344.反转字符串.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -237,7 +234,7 @@ void reverseString(char* s, int sSize){
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

17
problems/0347.前K个高频元素.md
View File

@ -1,10 +1,7 @@
<p align="center">
<a href="https://mp.weixin.qq.com/s/RsdcQ9umo09R6cfnwXZlrQ"><img src="https://img.shields.io/badge/PDF下载-代码随想录-blueviolet" alt=""></a>
<a href="https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw"><img src="https://img.shields.io/badge/刷题-微信群-green" alt=""></a>
<a href="https://space.bilibili.com/525438321"><img src="https://img.shields.io/badge/B站-代码随想录-orange" alt=""></a>
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ"><img src="https://img.shields.io/badge/知识星球-代码随想录-blue" alt=""></a>
</p>
<p align="center"><strong>欢迎大家<a href="https://mp.weixin.qq.com/s/tqCxrMEU-ajQumL1i8im9A">参与本项目</a>，贡献其他语言版本的代码，拥抱开源，让更多学习算法的小伙伴们收益！</strong></p>
<a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
<img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
</a>
@ -361,7 +358,7 @@ PriorityQueue.prototype.compare = function(index1, index2) {
-----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321)
* 知识星球：[代码随想录](https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ)
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
<p align="center">
<a href="https://mp.weixin.qq.com/s/QVF6upVMSbgvZy8lHZS3CQ" target="_blank">
<img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20210924105952.png" width="1000"/>
</a>

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