Coming soon
IOI 2025 will be hosted by Bolivia. Visit the official website to learn more.
Coming soon IOI 2025 in Bolivia
IOI 2018 - Call for Tasks

The organizing committee of IOI 2018 invites you to submit tasks for IOI 2018. All people who will not participate as a contestant in IOI 2018 are welcome to submit tasks.
Information about how to design and submit the tasks are available at: https://ioi2018.jp/call_for_tasks.html
The submission deadline is now extended to January 5, 2018.