International Olympiad in Informatics
Premier international algorithmic programming competition; qualify via national CS olympiad.
Sourced from the official program page. Where a field says Not confirmed, we couldn't verify it — check the official site before applying.
- Location
- Rotates by host country
- Duration
- Not confirmed — check the official program page.
- Deadline
- National selection Spring
- Grades
- 10, 11, 12
- Format
- in-person
- Cost
- Free
A general prep list — the official program page is always the source of truth. Your ticks are saved on this device only.
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Solve complex math and computer science problems created by the UK Mathematical Trust.
Canadian Computing Competition (CCC)
Free competitive programming contest run by Waterloo's CEMC; open worldwide and used as a qualifier for the Canadian Computing Olympiad.
How to think about programs like this.
This guidance is general and may not reflect this program's exact selection process. Always confirm details on the official program page before applying.
Atlas guidance is written from public information about programs in this category. It is not a promise about International Olympiad in Informatics's actual selection process.