> 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/niu-dao-xiao-shi.md).

# 牛刀小试

* [牛刀小试](http://ctf.idf.cn/index.php?g=game\&m=list\&a=index\&id=16)
  * [被改错的密码](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=29)
  * [ASCII 码而已](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=32)
  * [聪明的小羊](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=52)
  * [摩斯密码](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=33)
  * [啥?](http://ctf.idf.cn/index.php?g=game\&m=article\&a=index\&id=30)