Based on Docker, truly one-click deployment
Front-end separation, modular programming, microservices
Choose from two competition modes: ACM/OI, real-time/non-real-time judging
Rich visual charts, a picture worth a thousand words
Template Problem is supported, you can add function questions and even fill in the blanks
More detailed rights division, the super administrator and the common administrator have their own roles
Multi-language support: C, C++, Java, Python2, Python3, the topic can choose the language used
Markdown & MathJax support
Competition User IP Limits (CIDR ranges)

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system modules

The back-end (Django) : HTTPS: / / github.com/QingdaoU/OnlineJudge
The front (Vue) : HTTPS: / / github.com/QingdaoU/OnlineJudgeFE
The referee sandbox (Seccomp) : HTTPS: / / github.com/QingdaoU/Judger
JudgeServer (Judger encapsulation) : HTTPS: / / github.com/QingdaoU/JudgeServer

Install

Linux environment

Install the necessary dependencies

sudo apt-get update && sudo apt-get install -y vim python3-pip curl gitpip3 install --upgrade pippip install docker-compose

Install Docker

Domestic users use script one-click installation:

sudo curl -sSL https://get.daocloud.io/docker | sh

Foreign users use script one-click installation:

sudo curl -sSL get.docker.com | sh

Start installation

Select the location where the disk space is free and run the following command

git clone -b 2.0 https://github.com/QingdaoU/OnlineJudgeDeploy.git && cd OnlineJudgeDeploy

Start service

docker-compose up -d

Depending on the network speed, it can be set up automatically in about 5 to 30 minutes without human intervention.

After the command is executed, run docker ps -a. When the status of all containers is not unhealthy or Exited (x) xxx, it indicates that OJ has been started successfully.

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Home picture

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Graphic presentation

According to the selection of relevant content, corresponding charts can be generated, including mathematical view, line chart, bar chart, stack chart, and can also be downloaded as pictures. Students can also express their emotions at that time and so on.

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Ictcoder Free source code Open Source Online Evaluation System (OJ) of Qingdao University https://ictcoder.com/kyym/open-source-online-evaluation-system-oj-of-qingdao-university.html

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Q&A

What is the delivery method?

1, automatic: after taking the photo, click the (download) link to download; 2. Manual: After taking the photo, contact the seller to issue it or contact the official to find the developer to ship.

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How long is the trading cycle?

1, the default transaction cycle of the source code: manual delivery of goods for 1-3 days, and the user payment amount will enter the platform guarantee until the completion of the transaction or 3-7 days can be issued, in case of disputes indefinitely extend the collection amount until the dispute is resolved or refunded!

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Matters needing attention

1. Heptalon will permanently archive the process of trading between the two parties and the snapshots of the traded goods to ensure that the transaction is true, effective and safe! 2, Seven PAWS can not guarantee such as "permanent package update", "permanent technical support" and other similar transactions after the merchant commitment, please identify the buyer; 3, in the source code at the same time there is a website demonstration and picture demonstration, and the site is inconsistent with the diagram, the default according to the diagram as the dispute evaluation basis (except for special statements or agreement); 4, in the absence of "no legitimate basis for refund", the commodity written "once sold, no support for refund" and other similar statements, shall be deemed invalid; 5, before the shooting, the transaction content agreed by the two parties on QQ can also be the basis for dispute judgment (agreement and description of the conflict, the agreement shall prevail); 6, because the chat record can be used as the basis for dispute judgment, so when the two sides contact, only communicate with the other party on the QQ and mobile phone number left on the systemhere, in case the other party does not recognize self-commitment. 7, although the probability of disputes is very small, but be sure to retain such important information as chat records, mobile phone messages, etc., in case of disputes, it is convenient for seven PAWS to intervene in rapid processing.

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Systemhere declaration

1. As a third-party intermediary platform, Qichou protects the security of the transaction and the rights and interests of both buyers and sellers according to the transaction contract (commodity description, content agreed before the transaction); 2, non-platform online trading projects, any consequences have nothing to do with mutual site; No matter the seller for any reason to require offline transactions, please contact the management report.

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