freeCodeCamp/guide/chinese/certifications/coding-interview-prep/project-euler/problem-14-longest-collatz-sequence/index.md

---
title: Longest Collatz sequence
localeTitle: 最长的Collat​​z序列
---
## 问题14：最长的Collat​​z序列

这是一个存根。 [帮助我们的社区扩展它](https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/coding-interview-prep/project-euler/problem-14-longest-collatz-sequence/index.md) 。

[这种快速风格指南有助于确保您的拉取请求被接受](https://github.com/freecodecamp/guides/blob/master/README.md) 。