Hong Kong Olympiad in Informatics Online Judge. Username or Email. Password (forgot password)

HKOI Online Judge (2024/25) Existing Schools. Log in. With school-linked form you can request additional School Admin accounts and manage your licence. (new subscription, renew or upgrade) New School Sign-up. Start a new form. If you do not have a School Admin account, please apply for a free trial first.

Hong Kong Olympiad in Informatics Online Judge. Login required to register for Training Team.

Email. Hong Kong Olympiad in Informatics Online Judge

HKOI Online Judge (2024/25) HKOI Online Judge is for secondary schools only. « Back. Start a new form by entering your email address below. Email.

Your use of the Hong Kong Olympiad in Informatics Online Judge ("Online Judge") is governed by the following terms and conditions. If you disagree with any part of these terms and conditions, you must not use the Online Judge.

「我們」是指香港電腦奧林匹克競賽委員會之成員，當中包括來自香港特別行政區政府教育局、香港電腦教育學會、以及個別在以前，現在及將來表列於官方網站 https://hkoi.org/「關於我們」頁之成員。

We keep a copy of your work you submitted to the Online Judge and the associated feedbacks. We also keep a record of your site activities, such as time, your IP address, URLs accessed and browser used, as you visit the Online Judge. How do we collect it. Your data is voluntarily provided by you and your school.