International Olympiad for Informatics (IOI)

International Olympiad for Informatics (IOI)

The Indian Association for Research in Computing Science (IARCS) provides leadership in computing within India. Its members are leading researchers in Computer Science drawn from major institutions from all over the country. IARCS recognizes the importance of introducing concepts from computing science in school education.

T o actively promote the subject, it has been organising the Indian Computing Olympiad annually since 2002. The goal of the Indian Computing Olympiad is to select students to take part in the International Olympiad for Informatics (IOI). IOI is one of the six prominent Science Olympiads held annually. The other five Science Olympiads are held in Mathematics, Physics,Chemistry, Biology and Astronomy. Every year 75-80 counties participate in IOI.


All Indian school students in Class 8 to 12 are eligible to participate, regardless of the school board they are studying under. The Examination conducted in three stages:

Stage-1 : Zonal Informatics Olympiad (ZIO) 

The Zonal Informatics Olympiad is the first of the three stages of the International Olympiad for Informatics (IOI). I the country in November /December every year. ZIO is conducted in cooperation with CBSE. Applications have to be centre, through the Principal. A student has to pay nominal charges (appox Rs. 100/-) towards registration process. About 250 students are selected for Stage-2.

Stage-2 : Indian National Olympiad in Informatics (INOI)

The second round, the Indian National Olympiad in Informatics (INOI) is held at centres across the country in the month of January every year. This exam involves programming. Students have to submit working computer programs as solutions to the questions asked. About 25 students are selected from INOI for the final IOI T raining Camp.

Stage-3 : International Olympiad for Informatics Training Camp

The IOI T raining Camp is held over 2 weeks in the second half of June to select the final team of four students to represent India at the International Olympiad for Informatics (IOI) in August. for Informatics (IOI) in August

Before departure to IOI, the final team goes through a month of online training At IOI, students are awarded with Gold, Silver and Bronze medals. Indian students have won several medals at IOI.

How to Participate:

Participation in ZIO is open to students from all School boards. Applications have to be sent from the schools to CBSE, through the Principal. More details will be announced on

1.) ZIO Question Papers & Solutions.

2.) The official announcement from CBSE for ZIO 2010-11.

Contact person : 

Professor Madhavan Mukund National Coordinator, Indian Computing Olympiad
Chennai Mathematical Institute
H1 SIPCOT IT Park, Padur PO
Siruseri 603 103, India.

Phone : (044) 2747 0227 Fax : (044) 2747 0225

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