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1.3.0

sampotts/plyr1.3.0Jan 1, 2026by krahets

AI Summary

This release focuses on content updates for the Hello Algorithms book, including revisions to core algorithm chapters like sorting and dynamic programming. It introduces a new EPUB generator and expands language support to include Japanese.

Key Highlights

  • Revised and supplemented chapters on sorting, dynamic programming, backtracking, divide and conquer, graphs, hashing, and heaps
  • Added a new EPUB generator for better digital formatting
  • Added Japanese translation of the book
  • Optimized visual presentation for PDF and online versions

New Features

  • EPUB generator
  • Japanese translation

Full Release Notes

《Hello 算法》1.3.0 版本的 PDF 与 ePub 电子书请见下方附件。

The PDF and ePub editions of Hello Algorithms version 1.3.0 are available in the attachments below.

## 主要改动

- 排序、动态规划、回溯、分治、图、哈希、堆等章节修订与补充（@krahets）。
- 新增 EPUB 生成器（@zhongfq），优化 PDF、在线版视觉呈现（@krahets）。
- 新增日文版本（@eltociear），优化英文翻译（@magentaqin、@yuelinxin），同步中文版与英文版内容（@krahets）。

## 贡献者

感谢 @Asa0oo0o0o, @Asashishi, @Chieko-Seren, @CreatorMetaSky, @Dr-XYZ, @K3v123, @KNChiu, @KawaiiAsh, @PXG-XPG, @Phoenix0415, @QiLOL, @RafaelCaso, @SamJin98, @Shyam-Chen, @Transmigration-zhou, @Umer-Jahangir, @Urbaner3, @beatrix-chan, @danny900714, @eltociear, @krahets, @linyejoe2, @llql1211, @longsizhuo, @lovelock, @magentaqin, @paoxiaomooo, @pengchzn, @prinpal, @realwujing, @rongyi, @seven1240, @steventimes, @sunshinesDL, @thomasq0, @yanedie, @ymmmas, @yuelinxin, @zhongfq, @ztkuaikuai 对该版本的贡献！

## 下载链接（Download Links）

| Language | 简体中文 | 繁體中文 | English |
|------|---------------|-------------------|--------------|
| Python | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_python.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_python.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_python.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_python.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_python.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_python.epub) |
| C++ | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_cpp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_cpp.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_cpp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_cpp.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_cpp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_cpp.epub) |
| Java | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_java.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_java.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_java.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_java.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_java.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_java.epub) |
| C# | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_csharp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_csharp.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_csharp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_csharp.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_csharp.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_csharp.epub) |
| Go | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_go.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_go.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_go.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_go.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_go.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_go.epub) |
| Swift | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_swift.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_swift.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_swift.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_swift.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_swift.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_swift.epub) |
| JavaScript | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_javascript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_javascript.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_javascript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_javascript.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_javascript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_javascript.epub) |
| TypeScript | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_typescript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_typescript.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_typescript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_typescript.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_typescript.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_typescript.epub) |
| Dart | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_dart.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_dart.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_dart.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_dart.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_dart.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_dart.epub) |
| Rust | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_rust.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_rust.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_rust.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_rust.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_rust.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_rust.epub) |
| C | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_c.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_c.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_c.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_c.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_c.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_c.epub) |
| Ruby | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_ruby.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_ruby.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_ruby.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_ruby.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_ruby.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_ruby.epub) |
| Kotlin | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_kotlin.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh_kotlin.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_kotlin.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_zh-hant_kotlin.epub) | [PDF](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_kotlin.pdf) / [EPUB](https://github.com/krahets/hello-algo/releases/download/1.3.0/hello-algo_1.3.0_en_kotlin.epub) |

> [!tip]
>  纸质书已发行，详情请见[此链接](https://www.hello-algo.com/chapter_paperbook/)。