Call for Tasks

We warmly invite everyone to contribute to the preparation of tasks for this Olympiad. Submitted tasks should adhere to the requirements outlined in the IOI syllabus for the current year.

Important Details

  • Submission Deadline: 15 March 2026 (23:59 UTC+2)
  • Language: English
  • Text format: PDF preferred

Submission Content

Multiple files for one task (e.g. diagrams, solution code) should be submitted in a single zip or compressed tar archive. Multiple tasks should be submitted 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

How to Submit

Please email your submissions to tasks@naoi2026.ly with the subject line:
[Task Submission] - <task title>

Submissions must remain confidential until the contest day.

Please direct questions about the call for tasks to tasks@naoi2026.ly.