• Hong Kong Olympiad in Informatics (HKOI) is an annual programming competition for secondary students.
  • HKOI Online Judge
  • Hong Kong Olympiad in Informatics

HKOI Online Judge 2022/23 Renewal

The current subscriptions will expire on 2022-09-30. We are now accepting renewal and new subscriptions.

If you are interested in the subscription, please visit the Online Judge page for more information and guides.

August 17, 2022 12:58 am