> For the complete documentation index, see [llms.txt](https://l1nwatch.gitbook.io/ctf/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://l1nwatch.gitbook.io/ctf/idf-shi-yan-shi/ppc-chu-tan-qian-kun.md).

# PPC初探乾坤

* [PPC初探乾坤](http://ctf.idf.cn/index.php?g=game\&m=list\&a=index\&id=18)
  * [简单编程-字符统计](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=37)
  * [谁是卧底](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=49)
  * [Fuck your brain](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=54)