What to Submit?

A task submission must contain:

• Statement in English, preferably formatted in PDF with required diagrams and pictures included.
• Description of the desired solution (a description of an algorithm which should get full score).
• Contact address (preferably one e-mail address) and background information on the task author(s): affiliation, country, and a description of the author’s role in the APIO or national olympiad, including training duties, over the period from APIO 2024 to APIO 2025.

It is also strongly recommended to contain:

• At least one implementation of the desired solution in C++.
• Analyses of alternative solutions.
• Suggestions for grading.
• Test data or ideas for generating test data.
• The motivation behind the task.

Any comments related to the task are also welcome and would be highly appreciated.
Submitted tasks must be kept in strict confidence until the end of APIO 2025.

NOTES:

Please note that all material submitted becomes the property of the APIO community, and that by submitting the author is assigning the Copyright and all rights to the submitted materials to the APIO community.

Note that we do not wish to forbid authors of submitted tasks to be involved in other competitions and training, but we do ask them to take all necessary precautions to safeguard confidentiality.

Submitted tasks, including the description and test cases, may be subject to modifications by the scientific committee.

SUBMISSION PROCESS:

Task materials must be placed together in a single file (use .zip or .tgz for multiple files). Email to apio2025@digital.uz with [Task Submission] - <task title> as the subject and attach the task submission.

TASK SELECTION PROCESS:

• Tasks that are not used will be kept secret, and will be returned to their submitter so that they can be used elsewhere.
• All submitted tasks will be seen only by the host scientific committee, and the shortlisted tasks will be seen by all heads of delegations from the region.
• Communications among heads of delegations about the APIO tasks should be done mainly by e-mail and secured web.
• All submitted tasks will be shortlisted by the host of APIO 2025. Then, the shortlisted tasks are distributed to all heads of delegations.
• If any countries need to translate the task scripts to their languages, the translated script must be submitted to the host up to three days before the competition day.
• At various moments during the preparation of the APIO 2025 competition, it is possible that submitted tasks are dropped from further consideration. However, it may still be necessary to revert such decisions later.
• In general, all submitted tasks, whether dropped or not, should be kept secret until the end of competition.
• Authors of submitted tasks will be recognized on the APIO 2025 website by listing their name, affiliation, and country (unless they specifically decline this).
• Each problem that’s actually used in the competition will be rewarded with UZS 5,000,000 or USD400 after the end of the event.

SUMMARY:

• Submission deadline: 20 April 2025 (23:59 in Tashkent time)
• Language: English
• Text format: PDF preferred
• Multiple files for one task (e.g. diagrams, solution code): in a single zip or compressed tar archive
• Multiple tasks: submit separately
• Minimum contents of submission:
  • author(s) information: name, e-mail, affiliation, country, and olympiad-role;
  • task statement;
  • description of the desired solution.

Also recommended:

• solution implementations in C++;
• suggestions for grading;
• test data;
• alternate solutions or expected near-solutions;
• background information on the task;
• any other comments relevant to the task.

Submission: Email to apio2025@digital.uz with [Task Submission] - <task title> (without quotation marks) as the subject.

Please direct questions about the call for tasks to apio2025@digital.uz.