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Good bye CEOI!

CEOI 2023 is over. It ended on Friday with the closing ceremony and a farewell dinner and party. While during the week there always had been a chance of rain (with some heavy rains actually happening), the sun finally honoured the contestants’ achievements and the… Read More »Good bye CEOI!

Contest Day 2

At day 1 of the competition, we saw high, but no perfect scores. Many contestants achieved scores between 100 and 150 points. Will this be different today? The second contest of CEOI 2023 ist running, and you can watch the live ranking again. If you… Read More »Contest Day 2

Contest Day 1

After a nice and rich first day in Magdeburg – with opening ceremony, practice session, scientific and social programs plus city tour – the first competition has started, right on time at 09:00 CEST. Good luck to all contestants, and have fun with solving the tasks!… Read More »Contest Day 1

Delegations are arriving

After months of preparation, CEOI 2023 is becoming reality now. Today is arrival day, delegations will keep coming to Magdeburg all day long. First to arrive was the delegation of Ukraine, at about 7 o’clock in the morning. The accommodation, Magdeburg Youth Hostel, was able… Read More »Delegations are arriving


Welcome to CEOI 2023, the 29th Central European Olympiad in Informatics! It is a joint endeavor by After having “German” CEOIs in Münster (2003), Dresden (2008), and Jena (2014), we are happy to host CEOI 2023 in Magdeburg, state capital of Sachsen-Anhalt and among the… Read More »Welcome!