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Update all solutions' changes in 2025-12-08.
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‎en/1-1000/1-two-sum.md‎

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# 1. Two Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [1. Two Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/1-two-sum) for a better experience!
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LeetCode link: [1. Two Sum](https://leetcode.com/problems/two-sum), difficulty: **Easy**.
@@ -323,8 +336,20 @@ class Solution:
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
339+
> 🚀 **Level Up Your Developer Identity**
340+
>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
345+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
346+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
349+
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---
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Original link: [1. Two Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/1-two-sum).
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Visit original link: [1. Two Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/1-two-sum) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/125-valid-palindrome.md‎

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# 125. Valid Palindrome - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
22

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> 🚀 **Level Up Your Developer Identity**
4+
>
5+
> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
6+
>
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> **The All-In-One Powerhouse for Your Career:**
8+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
9+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [125. Valid Palindrome - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/125-valid-palindrome) for a better experience!
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LeetCode link: [125. Valid Palindrome](https://leetcode.com/problems/valid-palindrome), difficulty: **Easy**.
@@ -115,8 +128,20 @@ class Solution {
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
131+
> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
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> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Original link: [125. Valid Palindrome - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/125-valid-palindrome).
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Visit original link: [125. Valid Palindrome - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/125-valid-palindrome) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/13-roman-to-integer.md‎

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# 13. Roman to Integer - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
22

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> 🚀 **Level Up Your Developer Identity**
4+
>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
8+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
9+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [13. Roman to Integer - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/13-roman-to-integer) for a better experience!
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LeetCode link: [13. Roman to Integer](https://leetcode.com/problems/roman-to-integer), difficulty: **Easy**.
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
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> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Original link: [13. Roman to Integer - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/13-roman-to-integer).
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Visit original link: [13. Roman to Integer - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/13-roman-to-integer) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/14-longest-common-prefix.md‎

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# 14. Longest Common Prefix - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
22

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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
8+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
9+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [14. Longest Common Prefix - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/14-longest-common-prefix) for a better experience!
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LeetCode link: [14. Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix), difficulty: **Easy**.
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
133+
> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
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> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Original link: [14. Longest Common Prefix - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/14-longest-common-prefix).
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Visit original link: [14. Longest Common Prefix - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/14-longest-common-prefix) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/15-3sum.md‎

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# 15. 3Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
6+
>
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> **The All-In-One Powerhouse for Your Career:**
8+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
9+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [15. 3Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/15-3sum) for a better experience!
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LeetCode link: [15. 3Sum](https://leetcode.com/problems/3sum), difficulty: **Medium**.
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
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> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Original link: [15. 3Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/15-3sum).
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Visit original link: [15. 3Sum - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/15-3sum) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/151-reverse-words-in-a-string.md‎

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# 151. Reverse Words in a String - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
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> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Visit original link: [151. Reverse Words in a String - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/151-reverse-words-in-a-string) for a better experience!
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LeetCode link: [151. Reverse Words in a String](https://leetcode.com/problems/reverse-words-in-a-string), difficulty: **Medium**.
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
197+
> 🚀 **Level Up Your Developer Identity**
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>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
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> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
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> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
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> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
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---
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Original link: [151. Reverse Words in a String - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/151-reverse-words-in-a-string).
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Visit original link: [151. Reverse Words in a String - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/151-reverse-words-in-a-string) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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‎en/1-1000/160-intersection-of-two-linked-lists.md‎

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# 160. Intersection of Two Linked Lists - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions
22

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> 🚀 **Level Up Your Developer Identity**
4+
>
5+
> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
6+
>
7+
> **The All-In-One Powerhouse for Your Career:**
8+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
9+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
10+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
11+
>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
13+
14+
---
15+
316
Visit original link: [160. Intersection of Two Linked Lists - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/160-intersection-of-two-linked-lists) for a better experience!
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LeetCode link: [160. Intersection of Two Linked Lists](https://leetcode.com/problems/intersection-of-two-linked-lists), difficulty: **Easy**.
@@ -493,8 +506,20 @@ func getIntersectionNode(headA, headB *ListNode) *ListNode {
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// Welcome to create a PR to complete the code of this language, thanks!
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```
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Dear LeetCoders! For a better LeetCode problem-solving experience, please visit website [LeetCode.blog](https://leetcode.blog): Dare to claim the best practices of LeetCode solutions! Will save you a lot of time!
509+
> 🚀 **Level Up Your Developer Identity**
510+
>
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> While mastering algorithms is key, showcasing your talent is what gets you hired. We recommend [**Show.dev**](https://www.show.dev) — the ultimate all-in-one personal branding platform designed specifically for programmers.
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>
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> **The All-In-One Powerhouse for Your Career:**
514+
> - 📄 **Professional Resume:** Create a dynamic, tech-focused resume that stands out to recruiters.
515+
> - 🎨 **Visual Portfolio:** Automatically aggregate your GitHub contributions and projects into a stunning showcase.
516+
> - ✍️ **Tech Blog:** Share your knowledge and build authority with a clean, distraction-free blogging space.
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>
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> [**Build Your Programmer Brand at Show.dev →**](https://www.show.dev)
519+
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---
497521

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Original link: [160. Intersection of Two Linked Lists - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/160-intersection-of-two-linked-lists).
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Visit original link: [160. Intersection of Two Linked Lists - LeetCode Python/Java/C++/JS/C#/Go/Ruby Solutions](https://leetcode.blog/en/leetcode/160-intersection-of-two-linked-lists) for a better experience!
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GitHub repository: [leetcode-python-java](https://github.com/leetcode-python-java/leetcode-python-java).
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