> For the complete documentation index, see [llms.txt](https://mm.ricky.moe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mm.ricky.moe/algorithm/algorithm-and-data-structure/di-gui.md).

# 递归

递归步骤：

* 寻找出口，递归一定有一个出口，锁定出口，保证不会死循环
* 递归条件，符合递归条件，自己调用自己。