Zonal Informatics Olympiad 2011-12

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The Central board of Secondary Education will be conducting the National Zonal Informatics Olympiad in collaboration with the Indian Association for Research in Computing Science (IARCS), Mumbai, across the country and abroad.

The examination for the same will be held in two stages. The examination and registration is open to students from all school boards, not just students studying in CBSE schools.

The examinations will be conducted in about 35 cities across the country and West Asia. Each of these cities will have one or more nodal centers which will be responsible for the conduct of the examinations.

ZIO-2012 is the first round towards qualifying for the team to represent India at the International Olympiad in Informatics, 2012 (0II-2012), to be held in Italy in September, 2012.


The first stage examination of the Zonal Informatics Olympiad will be held on Saturday November 19, 2011 between 10.00 am and 01.00 pm. The examination will be a written examination to test the aptitude of the students, their logical competence, problem-solving skills, and critical thinking.

Stage 2: The candidates who qualify in the first stage examination as per the norms prescribed by the selection committee will appear in the second stage examination to be held on Saturday December 03, 2011 which will be based on programming skills. Selected candidates will be called for intensive training for the final selection of the candidates for the International Olympiad.


Interested candidates should forward their registration via their school principals. Each school principal is requested to forward the list of candidates participating in ZIO-2012 to the nearest nodal centre along with the examination fee on or before October 15, 2011.

The fee for each participant will be 100/- (Rupees hundred only). A consolidated demand draft for all the participants of your school may be drawn in favor of "Secretary, CBSE, Delhi" and sent to the nodal centre.

Candidates should produce a Bonafide certificate with their photographs duly

attested by the Principal of the school at the examination centre, as no Admit-Card or Roll. No. will be issued to any student.


List Of Nodal Centers

Format For Sending Details About The Participants List By The School, And Bonafide Certificate For Students

Student Online Registration Form


The ICO Online Judge has an archive of past IARCS Online Programming Contest problems. Participating students can register online and submit solutions to past problems to the Judge to get instant feedback about there performance.


Previous question papers and solutions:











For any further information, you may contact Prof Madhavan Mukund, National Coordinator, Indian Computing Olympiad through e-mail at or Mr D T Sudharsan Rao, Joint Secretary (Academic), CBSE through e-mail at

Or visit the below mentioned websites;

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