Rules

• Supported Languages:
  Each submitted source program must be written in C++/PYTHON/JAVA/C.
• Participants:
  A contestant is a student who:
  
  • was enrolled in a school at a level not higher than secondary education in Hong Kong.
• Competition mode:
  Individual competition
• Regulations:
  The contest follows a similar form to the International Olympiad in Informatics (IOI) contest.
• There are five tasks in the daily competition. Each task has multiple subtasks. The contestants need to pass all test cases of the subtask to obtain the corresponding marks. There is no limit to the number of submissions for each task and no penalty for multiple submissions. Only the last submission of each task counts towards the grade. For every submission, the grading system reports both the score for each subtask and the corresponding feedback. If a subtask is not fully solved, the grading system gives feedback only for the first test case among the lowest-scoring test cases in the subtask. The feedback includes the test case number and one of the following reasons:
  
  • Runtime Error
  • Wrong Answer
  • Time Limit Exceeded
  • Memory Limit Exceeded
  • Output Limit Exceeded
• During the contest, the contestants can access the standings and see the real-time ranking.
• Can not use search engines and AI tools like ChatGPT
• Allowed Language References: Participants can refer to these websites at any time during the competition.
  
  • C++: https://en.cppreference.com/w/Cppreference:Archives
  • Python: https://docs.python.org/3/download.html
  • Java: https://www.oracle.com/java/technologies/javase-jdk11-doc-downloads.html