Welcome!

HHSOJ-Essential is a modern Online Judge with the feature of being fast,portable and light-weight!

Currenly the project is being rewritten by Zzzyt in Maven. Here is the repo. and demo. The OJ is developed by members from Hell Hole Studios. If you see grammar mistakes, just ignore it, the dev team are poor in English. :P

Contents:

• Structure
  • Github Structure
  • OJ Structure
• Building
  • Judger Building
  • Server Manager Building
  • Frontend Building
• Language Setup
  • Adding a language
• Problem Setup
  • Problemset Setup
  • Problem structure:Full
  • The problem.json File
  • The statement & testcases
  • Writing checkers
  • Dealing with scoring
  • Judging Inside
• Supplying feature
  • User
  • Standings
• What’s New
• Credits
• License
  • Apache License 2.0
  • Flexmark License
  • GNU GENERAL PUBLIC LICENSE 3.0