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Due to the COVID-19 pandemic, IOI 2020 was hosted by Singapore online. Visit the official website to learn more.

Just finished   IOI 2020 was held online

IOI Videos

IOI 2019

Day 1 Highlights

Day 2 Highlights

Day 3 Highlights

Day 4 Highlights

Day 5 Highlights

Day 6 Highlights

Day 7 Highlights

IOI 2018

Arrival Day

Opening Ceremony

Contest Day 1

Excursion 1

Contest Day 2

Excursion 2

Closing Ceremony

Full Opening Ceremony

IOI 2017

Day 1 Highlights

Day 2 Highlights

Day 3 Highlights

Day 4 Highlights

Day 5 Highlights

Day 6 Highlights

Day 7 Highlights

IOI 2016

Closing ceremony 1

Closing ceremony 2

Excursion 1

Excursion 2

Excursion 3

IOI 2015

First Day

Second Day

Third Day

Fourth Day

Fifth Day

Sixth Day

Need more info?

Beginners

Not sure where to go? Click here to view some basic information on how to learn programming and prepare to win a medal at the IOI.

Statistics

A couple of volunteers maintain a separate page with stats about people who participated at the International Olympiad in Informatics.

Journal

The IOI publishes a journal every year, with original high-quality scientific papers related to education, contests and algorithms.