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-# online-judge
-### 1. Activate virtualenv:
+LQDOJ: Le Quy Don Online Judge
+===
+
+[![](https://github.com/DMOJ/online-judge/workflows/build/badge.svg)](https://lqdoj.edu.vn/)
+[![Python](https://img.shields.io/pypi/pyversions/tensorflow.svg?style=plastic)](https://python.org)
+[![OS](https://img.shields.io/badge/Ubuntu-16.04%20%7C%2018.04%20%7C%2020.04-brightgreen)](https://ubuntu.com/download)
+[![License](https://img.shields.io/badge/license-AGPL--3.0-blue)](https://www.gnu.org/licenses/agpl-3.0.en.html)
+
+## Overview
+
+Homepage: [https://lqdoj.edu.vn](https://lqdoj.edu.vn)
+
+Based on [DMOJ](https://dmoj.ca/).
+
+Supported languages: 
+
+- Assembly (x64)
+- AWK
+- C
+- C++03 / C++11 / C++14 / C++17
+- Java 11
+- Pascal
+- Perl
+- Python 2 / Python 3
+
+Support plagiarism detection via [Stanford MOSS](https://theory.stanford.edu/~aiken/moss/).
+
+## Installation
+
+Most of the setup are the same as DMOJ installations. You can view the installation guide of DMOJ here: https://docs.dmoj.ca/#/site/installation.
+There is one minor change: Instead of `git clone https://github.com/DMOJ/site.git`, you clone this repo `git clone https://github.com/LQDJudge/online-judge.git`.
+
+Some frequent difficulties when installation:
+
+1. Missing the `local_settings.py`. You need to copy the `local_settings.py` in order to pass the check.
+2. Missing the problem folder in `local_settings.py`. You need to create a folder to contain all problem packages and configure in `local_settings.py`.
+3. Missing static folder in `local_settings.py`. Similar to problem folder, make sure to configure `STATIC_FILES` inside `local_settings.py`. 
+4. Missing configure file for judges. Each judge must have a seperate configure file. To create this file, you can run `python dmojauto-conf`. Checkout all sample files here https://github.com/DMOJ/docs/blob/master/sample_files.
+
+## Usage
+
+Suppose you finished all the installation. Everytime you want to run a local server, follow these steps:
+
+1. Activate virtualenv:
+```bash
 source dmojsite/bin/activate
-### 2. Remember to change the local_settings
+```
 
-### 3. Run server:
+2. Run server:
+```bash
 python manage.py runserver 0.0.0.0:8000
+```
 
-### 4. Create configure file for judge:
-python dmojauto-conf
+3. Create a bridge (this is opened in a different terminal with the second step if you are using the same machine)
+```bash
+python manage.py runbridged
+```
 
-### 5. Create folder for problems, change the dir in judge conf file and local_settings.py
+4. Create a judge (another terminal)
+```bash
+dmoj 0.0.0.0 -p 9999 -c <path to yml configure file>
+```
+Here we suppose you use the default port 9999 for bridge in `settings.py`. You can create multiple judges, each should be in a seperate terminal.
 
-### 6. Connect judge:
-+ python manage.py runbridged
-+ dmoj 0.0.0.0 -p 9999 -c judge/conf1.yml (depend on port in the local_settings.py and directory of conf file)
+**Optional**
 
-### 7. Update vietnamese translation:
- - go to locale/vi
- - modify .po file
- - python manage.py compilemessages
- - python manage.py compilejsi18n
+5. Run celery worker (This is server's queue. It may be necessary in some functions)
+```bash
+celery -A dmoj_celery worker
+```
 
-###8. Run chat server:
-docker run -p 6379:6379 -d redis:2.8
+6. Run a live event server (So everything is updated lively like in the production)
+```bash
+node websocket/daemon.js
+```
+
+## Deploy
+Most of the steps are similar to Django tutorials. Here are two usual steps:
+
+1. Update vietnamese translation:
+ - If you add any new phrases in the code, ```python manage.py makemessages```
+ - go to `locale/vi`
+ - modify `.po` file
+ - ```python manage.py compilemessages```
+ - ```python manage.py compilejsi18n```
+
+2. Update styles (using SASS)
+ - Change .css/.scss files in `resources` folder
+ - ```./make_style && python manage.py collectstatic```
+ - Sometimes you need to `Ctrl + F5` to see the new user interface in browser.
+ 
+## Screenshots
+
+### Leaderboard
+
+Leaderboard with information about contest rating, performance points and real name of all users.
+
+![](https://i.imgur.com/ampxHXM.png)
+
+### Admin dashboard
+
+Admin dashboard helps you easily managing problems, users, contests and blog posts.
+
+![](https://i.imgur.com/iccr3mh.png)
+
+### Statement editor
+
+You can write the problems' statement in Markdown with LaTeX figures and formulas supported.
+
+![](https://i.imgur.com/CQVC754.png)
+
+### Chat
+
+Users can communicate with each other and can see who's online.
+
+![](https://i.imgur.com/y9SGCgl.png)