• 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 2023/24 Renewal

The current subscriptions will expire on 2023-09-30. 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.

September 6, 2023 12:21 am

2023 External Competition Results

The Hong Kong Olympiad in Informatics Training Team is pleased to announce that the team has achieved marvelous results in various external competitions this year. (See details)

IOI 2023 Szeged, Hungary 28 Aug – 4 Sep 2023 3 Silver, 1 Bronze
NOI 2023 Chengdu, Sichuan 22-28 July 2023 1 Silver, 4 Bronze
APIO 2023 China 20 May 2023 6 Bronze
September 4, 2023 8:19 pm

SDIC 2023

Hong Kong Secondary Schools Software Development Invitational Contest (SDIC) 2023 Heat Event will be held on 16th September, 2023 (Saturday).

The application deadline is 4th September, 2023 (Monday).

August 22, 2023 12:44 am