Hcode Online Judge（HOJ）

An open source online judge system base on SpringBoot, Springcloud Alibaba and Vue.js !

简体中文 | English

Overview

• One click deployment based on Docker and Docke-compose
• Multi-language support：C、C++、C#、Python、PyPy、Go、Java、JavaScript、PHP
• Remote judge support： HDU、POJ、Codeforces、GYM、AtCoder、SPOJ
• Perfect evaluation mode：General 、Special、Interactive 、Self-test、Subtask、File IO
• Perfect contest function：Star team、 Attention team、 External Rank、Scroll Board
• Support group and discussion area function

Installation

Please running HOJ on the following platforms:

• Ubuntu 18.04 and above
• CentOS Linux release 8.0 and above

And the server configuration requirements for stable operation of HOJ:

• CPU: 2 cores and above
• Memory: 4G and above

For installation options and troubleshooting tips, see HOJ Documents.

One click deployment Base On Docker & Docker-compose

If your system already has Docker and Docker-compose and want to quickly taste the functions of the HOJ, you can deploy it quickly according to the following commands：

sudo apt-get update && sudo apt-get install -y vim curl git

sudo apt-get update

git clone https://github.com/HimitZH/HOJ-Deploy.git && cd hoj-deploy && cd standAlone

# Change some configuration such as password.
vim .env

sudo docker-compose up -d

According to the network speed, the setup can be completed automatically in about 5 to 20 minutes without manual intervention.

Wait for the command execution to complete, and then run docker ps. When you see that the status of all the containers does not have unhealthy , it means HOJ has started successfully.

Browser Support

Modern browsers(chrome, firefox) and Internet Explorer 10+, also supports mobile browser.

Support & Contribution

• If you think HOJ is helpful to you, please give the project a star.
• If you found any bug, please feel free to contact us QQ Group: 598587305 or issue.
• Thanks to everyone that contributes to this project.

License

MIT

Screenshots

Note: you can switch languages at the bottom of the page. (Chinese & English)

1. Home

2. Station message

System notification

Reply to me

3. Problem

Problem List

Problem Details

4. Training

Training List

Trianing Problem List

5. Contest

Contest List

Contest Details

Contest Problem List

Contest Rank

• ICPC/ACM

• OI / IOI

• Scroll Board

6. Submission

Submission List

Submission Details

7. Rank

8. Group

Group List

Group Details

9. Disscussion

Disscussion List

Comment

10. User Info

User Home

Change User Info

11. Admin

Admin Home Page

12. Mobile