> For the complete documentation index, see [llms.txt](https://xgn.gitbook.io/hhsoj-essential-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xgn.gitbook.io/hhsoj-essential-doc/master.md). # Welcome [HHSOJ-Essential](https://github.com/XiaoGeNintendo/HHSOJ-Essential) is a modern Online Judge with the feature of being fast,portable and light-weight! Currenly the project is being rewritten by Zzzyt in Maven. Here is the[ repo link](https://github.com/HellHoleStudios/hhsoj) and [demo link](https://oj.hellholestudios.top/). The OJ is developed by members from HHS! This page is hosted on Gitbook. If you see grammar mistakes, just ignore it, the dev team are poor in English. :P --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://xgn.gitbook.io/hhsoj-essential-doc/master.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.