• IOI 2017

    The Hong Kong team won 2 silver and 1 bronze medals!

  • NOI 2017

    The Hong Kong team won 5 bronze medals!

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

Training Team 2018

The first training session will be held on 27th January, 2018 (Saturday). All HKOI medallists and other interested students are welcome to attend.

General Information
Training Schedule

January 14, 2018 11:00 pm

HKPSOI 2017/18 Heat Event Latest Ranking

The latest ranking of the HKPSOI 2017/18 Heat Event as of 11th Jan has been uploaded. That page will be updated regularly, please stay tuned.

January 11, 2018 11:00 pm

HKPSOI 2017/18 Heat Event Trial

To help students get familiar with the HKPSOI 2017/18 Heat Event, a trial will be held from 3rd – 5th January, 2018. Students’ results in the trial will not be counted towards HKPSOI.


December 22, 2017 11:09 pm

Results and Prize-giving Ceremony

The results of HKOI 2017/18 has been released. The joint prize-giving ceremony of HKOI 2017/18 and NOIP 2017 will be held on Friday, 26th January, 2018.

December 13, 2017 9:00 pm

NOIP 2017 Results

The results of NOIP 2017 has been announced.

HKACE will apply and pay for the winners’ certificates. Do not apply separately. Details of the prize-giving ceremony will be announced at a later date.

November 30, 2017 10:47 pm

HKOI 2017/18 Finalists and Briefing Session

The finalists of HKOI 2017/18 and the details of the briefing session have been uploaded.

1. Name amendment requests should be made on the day of the Final Event.
2. The Online Judge login details for finalists will be sent to your teacher-in-charge by email soon.

November 8, 2017 8:00 pm

Finalized list of NOIP 2017 Finalists

The registration period for NOIP 2017 Final Event has ended. 5 backups from the Senior Group and 1 backup from the Junior Group have been accepted to the Final Event according to the rules.

Senior Group finalists (including accepted backups) who are absent/late on both days will be charged an application fee of HK$280.
Junior Group finalists (including accepted backups) who are absent/late will be charged an application fee of HK$150.

List of finalists

November 2, 2017 7:47 am

NOIP 2017 Final Event announcement

List of Finalists / Registration Instructions

Qualified contestants / substitutes wishing to participate in the Final Event (and their teachers) must register via the NOI Online Registration System according to the following schedule set by Hong Kong:
Teacher Registration: 17th October – 22nd 11:59pm
Contestant Registration and Teacher Approval: 20th October – 30th 11:59pm

Note: Deadlines for Hong Kong region are one day earlier than that announced by CCF.

October 17, 2017 1:00 am

HKOI 2017/18 is now accepting applications

Details for Hong Kong Olympiad in Informatics (HKOI) 2017/18 has been published. The Heat Event will be held on 4th November, 2017 (Saturday) and the Final Event will be held on 9th December, 2017 (Saturday).

We welcome all secondary schools to nominate students to the competition. Application deadline is 23rd October, 2017 (Monday).

October 2, 2017 10:08 pm