Canada · CCC / CCO
Canada · CCC / CCO
From national selection to IOI
CCC has Junior and Senior divisions chosen by ability, not forced by grade; Junior is not a prerequisite for Senior. Strong official Senior contestants may be invited to CCO, which is used to select Canada's IOI team.
Route at a glance
- Organizer
- University of Waterloo CEMC
- Season / version
- 2027 dates already on the official site; structure per the current page
- Checked
- 2026-10-14
- Stages
- Junior → Senior → CCO → IOI Team → IOI
Stages and transitions
- Junior
- Senior · Division by ability
This site's training suggestion · From Junior：This site's training recommendation; the official rules allow choosing a division by ability, and Junior is not a registration prerequisite for Senior
- CCO · Invitation only
Selection / invitation · From Senior：Strong official contestants may be invited; school-registration/identity conditions and CEMC discretion apply
- IOI Team · National team
Selection / invitation · From CCO：CCO is used for national team selection; it is not written as automatic selection from a single ranking
- IOI · International contest
Representing the country · From IOI Team：The national organization sends a delegation to IOI; domestic selection is arranged by each organization
Unverified or country-specific entries are not drawn as required stages; the sources are summaries of the ordinary main path.
What this route verifies
- CCC has Junior and Senior divisions chosen by ability, not forced by grade; Junior is not a prerequisite for Senior.
- Strong official Senior contestants may be invited to CCO, which is used to select Canada's IOI team.
Eligibility and language limits
- CCO invitations mainly target Canadian students, and may include overseas citizens or permanent residents; the organizer has discretion.
- Compilation environment, detailed rules and permission to republish tasks still need checking.
Still to verify
- Full official participation eligibility
- Compilation environment and detailed scoring rules
- Reuse limits for past tasks and translations
Related practice
- CCC Junior — C++ practice for learners preparing for the Canadian Computing Competition Junior division in Canada and internationally.
These are site-designed preparation scopes, not official exam items or complete mocks.
Frequently asked questions
Where does the CCC / CCO pathway end?
The final node is IOI: the national organization sends a delegation, and domestic selection is arranged by each organization.
Does this route establish participation or national-team eligibility?
No. The page only organizes the verified main path; participation, official ranking, training camp and national team eligibility are verified separately and follow the official notice for the current year.
What is still unverified?
Full official participation eligibility; Compilation environment and detailed scoring rules; Reuse limits for past tasks and translations.
Sources
Links point to organizers or official sources; InfoCode does not replace official eligibility decisions.