hydrooj

Personal solutions to algorithm problems.

HydroOJ 咕咕倒计时

A project commit to translate problems written by Chinese in HydroOJ to English

HydroOJ 可视化用户管理插件

HydroOJ 用户贡献图插件

HydroOJ 统一赛事日历：算法赛、AI 竞赛与黑客松，多条件筛选，ICS / RSS 订阅，配套自动采集后台。

可导入到基于 Hydro 的 OJ 的免费题库。

d&f算法网 — 独立在线评测与训练平台 | Hydro OJ 定制层、训练工具与可重复部署方案

为 Hydrooj 提供访问日志功能

HydroOJ 可视化封面横幅管理插件

This addon integrates Cloudflare's Turnstile CAPTCHA into Hydro

Change HydroOJ username's color freely

Hydro addon to sync or distribute changes between original and referred problem

Insert additional file links into problem content

HydroOJ 题目反馈工单插件：题面修缮 / 数据维护 / 难度调整，支持 MOD 认领、5 种状态流转与 Markdown 回复

Hydro 题库 | Hydro OJ 官方题目数据：CSP-J/S 2019–2021、USACO 2026 First/Second 等题面与测试数据，适配 Hydro，通过 GitHub Releases 分发；不收录民间数据与 hack 数据。Official problem statements & test data for Hydro OJ: CSP-J/S, USACO, etc. Distributed via GitHub Releases; no unofficial or hack data.

Reliable multi-site Hydro contest synchronization and unified ACM/ICPC scoreboard

Hydro Addon that provides extended features for domain.

This addon integrates Google reCAPTCHA v3 into Hydro