PAIO 2025 Calendar

Important Dates

Key dates from the Pan African Informatics Olympiad 2025. Registration and the call for tasks are closed.

Practice Contest

The practice contest was held asynchronously. Countries booked slots from 7th September till 12th September for the practice contest.

To accommodate different schedules, two briefing slots were held: one on 7th September and another on 10th September. Participants and leaders attended one of the two briefing slots.

Briefing: 7th September

Time (UTC)ParticipantTeam Leader / Deputy Leader
1300-1400Introduction to PAIO & Participants BriefingIntroduction to PAIO & Participants Briefing

Briefing: 10th September

Time (UTC)ParticipantTeam Leader / Deputy Leader
1600-1700Introduction to PAIO & Participants BriefingIntroduction to PAIO & Participants Briefing

Problemset Translation: 11th September - Friday

Time (UTC)ParticipantDescription
1800Team Leaders/Deputy LeadersTranslation of PAIO problemset in different languages(ex: Arabic)

Day 0: 12th September

Time (UTC)ParticipantTeam Leader / Deputy Leader
1600-1630Opening CeremonyOpening Ceremony
1700-1800Free TimeGeneral Assembly* 0: - Regulations & Nomination of Chair. Briefing on how appeals and medal cutoffs work

General Assembly refers to a meeting of all countries participating in the olympiad.

Day 1: 13th September

Time (UTC)ParticipantTeam Leader / Deputy Leader
0900-1400Contest
1400-1500Screen recording upload & Break
1500-1600Discord Hangout (Optional)General Assembly 1: Results and Appeals Day 1

Day 2: 14th September

Time (UTC)ParticipantTeam Leader / Deputy Leader
0900-1400Contest
1400-1500BreakGeneral Assembly 2: Results and Appeals Day 2
1500-1600Sponsor Engagement (AOA, Discord)General Assembly 3: Vote on Scoreboard & AOB
1600-1630Break
1630-1800Closing Ceremony & Prize Presentation*

Medals were to be handed out at IOI or the next major event. Electronic certificates were given out at the prize presentation.

Key Deadlines

Call For Tasks Opened

April 23, 2025 · Closed

The call for task proposals opened on this date. Criteria followed the IOI 2025 Call For Tasks. Submissions are no longer accepted.

Call For Tasks Closed

July 4, 2025 · Closed

The call for tasks closed and contest questions were finalized.

Registration Closed

June 30, 2025 · Closed

Last day to confirm team participation in PAIO 2025. Registration is no longer open.

PAIO 2025 Agenda

DateContestants & DeputiesLeaders & PSC

Fri, Sep 12

Opening Ceremony

Jury Meeting
Opening Ceremony

Sat, Sep 13

Contest Day 1

Contest Start

Sun, Sep 14

Contest Day 2 & Closing Ceremony

Jury Meeting
Closing Ceremony

Key Events

Competition Days

September 13–14: Contestants solved challenging informatics problems across two competition days.

Ceremonies

September 12 & September 14: Opening and closing ceremonies celebrated participants and winners.

Registration

Registration closed on June 30, 2025. Team sign-ups are no longer accepted.