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

Hong Kong Team Wins 1 Gold, 5 Bronzes in APIO 2021

The Hong Kong Team has won 1 Gold Medal and 5 Bronze Medals in the 2021 Asia-Pacific Informatics Olympiad, hosted by Indonesia. In particular, Leung Harris from Diocesan Boys’ School ranked 1st in the competition. Congratulations to the students!

List of winners

May 26, 2021 10:55 pm

Results of HKOI 2020/21

The results of HKOI 2020/21 has been released.

Results of HKOI 2020/21

January 30, 2021 6:21 pm

HKOI Training Team 2021

The first training session “Solutions to HKOI 2020/21 Final Event” will be held on January 30, 2021 (Saturday). Regular trainings will start on February 6 (Saturday).

Please refer to the general information and schedule page for more details.

January 28, 2021 5:22 pm

HKOI 2020/21 Final Event details released

Please visit the Final Event page for the latest arrangement and rule updates.

All qualified students who wish to participate in the online Final Event must re-register between 12:00 7th January 2021 and 23:59 13th January 2021.

January 4, 2021 12:49 am

2020 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 difficult year. (See details)

IOI 2020 Singapore 13-19 September 2020 1 Gold, 2 Bronze
NOI 2020 Changsha, Hunan 16-21 August 2020 3 Bronze
IOM 2020 Moscow, Russia 16-22 December 2020 1 Gold, 1 Silver
APIO 2020 Indonesia 15 August 2020 1 Gold, 5 Bronze
December 23, 2020 2:26 pm

Results of NOIP 2020

Results of NOIP 2020 has been announced. HKACE will apply for NOIP certificates on behalf of all winners. Please do not apply for it on your own.

December 15, 2020 5:57 pm

HKOI 2020/21 Final Event postponed and moved online

As EDB has announced the suspension of face-to-face classes. HKOI 2020/21 Final Event is postponed to 23rd-24th January, 2021. The event will be held online.

See detailsList of Finalists

December 3, 2020 1:00 am

Results of SDIC 2020

Results of SDIC 2020 has been announced. HKACE will apply for CSP-J/S certificates on behalf of all winners. Please do not apply for it on your own.

December 2, 2020 10:00 am

HKPSOI 2020/21 is now accepting applications

Details for Hong Kong Primary Schools Olympiad in Informatics (HKPSOI) 2020/21 has been published. The Heat Event will be held from 11th January (Monday) to 22nd January, 2021 (Friday) and the Final Event will be held on 27th March, 2021 (Saturday).

We welcome all primary schools to participate in the competition. Application deadline is 18th December, 2020 (Friday).

See instructions for application.

November 23, 2020 9:47 pm

Applications results for HKOI 2020/21

The nomination period for HKOI 2020/21 has ended.

See the list of participating schools.

November 11, 2020 9:21 am