India · ICO
India · ICO
From national selection to IOI
Either ZIO (written) or ZCO (programming) can lead to INOI; taking both is not required. INOI → IOITC → four IOI representatives.
Route at a glance
- Organizer
- IARCS
- Season / version
- Mixed 2026/2027 page, verified field by field
- Checked
- 2026-10-14
- Stages
- ZIO → ZCO → INOI → IOITC → IOI Team → IOI
Stages and transitions
- ZIO · Written test
- ZCO · Programming (C++/Java/Python)
- INOI · C++ only
Official advancement · From ZIO：Either channel qualifies; OR, not AND
Official advancement · From ZCO：Either channel qualifies; OR, not AND
- IOITC · Training selection
Selection / invitation · From INOI：Per results and that edition's selection and eligibility rules
- IOI Team · 4 people
Selection / invitation · From IOITC：Per results and that edition's selection and eligibility rules
- 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
- Either ZIO (written) or ZCO (programming) can lead to INOI; taking both is not required.
- INOI → IOITC → four IOI representatives.
Eligibility and language limits
- ZCO supports C++/Java/Python; INOI is C++ only.
- Open to students through grade 12; the eligibility school year on the page still needs updating with each new edition.
Still to verify
- 2027 stage dates
- Eligibility school-year update
- Past-task reuse limits
Frequently asked questions
Where does the ICO 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?
2027 stage dates; Eligibility school-year update; Past-task reuse limits.
Sources
Links point to organizers or official sources; InfoCode does not replace official eligibility decisions.