Indian National Olympiad in Informatics, 2025 (INOI-2025)
The Indian National Olympiad in Informatics, 2025 (INOI-2025) was held at various cities across India on Sunday, 9 February, 2025.
INOI-2025 was conducted in cooperation with CodeDrills.
Zonal Informatics Olympiad, 2025 (ZIO-2025)
The Zonal Informatics Olympiad, 2025 (ZIO-2025) was held at around 35 cities across India on Saturday, 14 December, 2024. 625 students registered for ZIO-2025, of whom 421 wrote the exam.
115 students have qualified through ZIO-2025 for INOI-2025..
ZIO-2025 was conducted in cooperation with TCS iON, a division of Tata Consultancy Services.
Zonal Computing Olympiad, 2025 (ZCO-2025)
The Zonal Computing Olympiad, 2025 (ZCO-2025) was held at about 30 cities across India on Sunday, 1 December, 2024. 530 students registered for ZCO-2025, of whom 394 wrote the exam.
105 students have qualified through ZCO-2025 for INOI-2025, to be held on Sunday, 9 February, 2025.
ZCO-2025 was conducted in cooperation with CodeDrills.
Question papers and solutions
ZIO-2025