The Ibero-American Olympiad in Informatics (OII) is an annual programming contest for young students enrolled in a secondary school from Ibero-American countries. Students compete on an individual basis, with up to fifteen students competing from each participating country. The competition has only one round, which happens around June-July each year, and is done online. Students are typically given four problems of algorithmic nature, which they have to solve in five hours.

To help students prepare for this competition, we're announcing an online judge with OII problems, right here on Codeforces.

Available now

On https://oii.contest.codeforces.com/ you can find a contest for some years of OII. Participate virtually in a 5-hour contest or simply upsolve problems there! Virtual participants will appear in separate scoreboards for each year as well as in an upsolving scoreboard.