> For the complete documentation index, see [llms.txt](https://gitbook-88.gitbook.io/ctf-writeup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-gxyctf.md).

# 2019 GXYCTF

- [禁止套娃](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-gxyctf/jin-zhi-tao-wa.md)
- [BabyUpload](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-gxyctf/babyupload.md)
- [Ping Ping Ping](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-gxyctf/ping-ping-ping.md)
- [BabySQli](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-gxyctf/babysqli.md)