Thanks for using JB-Online since 2018.

As mentioned in previous mails, this site has reached its end of life in March 2021.

Please refer to the below information:

• Contact: https://doowzs.com or email to doowzs#outlook.com
• For Nanjing University students:
  • Online-Judge (NJU Campus Access): http://114.212.10.47:8085
  • Online-Judge solutions: https://oj-solutions.njujb.com

This site, source code and domain are properties of Tianyun Zhang. If you have any questions please contact without hesitation.

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