Indian Association for Research in Computer Science (IARCS) conducts Zonal Informatics Olympiad (ZIO) yearly to assess the ability of students in Computer Science. This is a nationwide competition that is organised to identify school students' skills in algorithms and computer programming.
Application Form and Admit Card
Result
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| Full Exam Name | Zonal Informatics Olympiad |
| Short Exam Name | ZIO |
| Conducting Body | Indian Association for Research in Computing Science |
| Frequency Of Conduct | Once a year |
| Exam Level | Intermediate |
| Languages | English |
| Mode Of Application | online |
| Application Fee | Online : 472 |
| Mode Of Exam | offline |
| Exam Duration | 3 Hours |
ZIO Zonal Informatics Olympiad (session 2026)
The eligibility criteria for Zonal Informatics Olympiad state the rules and regulations to be followed by candidates. These are the minimum requirements which candidates should meet to be allowed for ZIO 2026:
Also, check UCO
Application forms for ZIO 2026 were available online till October 30, 2025. Students had to register individually by submitting an application form in online mode. Below, we have provided the steps to fill out the ZIO 2026 application form:
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Subscribe Now| State | City |
| Gujarat | Ahmedabad Baroda |
| Andhra Pradesh | Visakhapatnam |
| Karnataka | Bangalore |
| Uttar Pradesh | Varanasi Lucknow Kanpur |
| Kerala | Trivandrum |
| Tamil Nadu | Tiruchirapalli Chennai Coimbatore |
| Madhya Pradesh | Bhopal |
| Odisha | Bhubneswarpur |
| Jharkhand | Bokaro Ranchi |
| Chandigarh | Chandigarh |
| Delhi | New Delhi |
| Uttarakhand | Dehradun |
| Assam | Guwahati |
| Maharashtra | Mumbai City Nagpur Pune |
| Rajasthan | Jaipur |
| Chhattisgarh | Raipur |
| Bihar | Patna |
The exam pattern for ZIO 2026 gives information on how the paper is set so that students can study accordingly. It is important for students to go through the ZIO 2026 exam pattern to prepare.
ZIO Exam Pattern 2026
| Sr. No. | Question | Marks |
| 1) | Question 1 (3 sub-questions) | 20 |
| 2) | Question 2 (3 sub-questions) | 20 |
| 3) | Question 3 (3 sub-questions) | 20 |
| 4) | Question 4 (3 sub-questions) | 20 |
| Total | 4 questions (12 sub-questions) | 80 |
Mock Tests and Sample Question Papers are advised by exam experts for their success in the Zonal Informatics Olympiad. Aspirants must practise sample papers and mock tests before appearing for ZIO 2026 to have an extra edge over the competition.
Solving question papers also makes you aware of the exam pattern, syllabus, standard of questions etc. Some of the most important topics for ZIO 2026 are divided into 'Basic' and 'Advanced' categories:
Basic Topics :
Advanced Topics :
Also, check
Apart from determination and hard work, studying smart is also needed. These are some tips and tricks which may be beneficial in your preparation for ZIO 2026:
Also, check NSP Portal 2025
Indian Association of Research in Computing Science (IARCS) will release the ZIO results in December 2025. Zonal Informatics Olympiad (ZIO) Result 2026 is declared online on the official website. Students can access the city-wise lists of selected students to check their results of the Zonal Informatics Olympiad 2026.
Selected students will move on to the Indian National Olympiad in Informatics, which will lead to the International Olympiad in Informatics Training Camp.
How to check ZIO Result 2026?
Also, check
ZIO Qualifying Cutoff
Class | Male Students | Female students |
| Class 7 or below | 20 marks or below | 20 marks or below |
Class 8 | 25 marks | 20 marks |
Class 9 | 30 marks | 20 marks |
Class 10 | 35 marks | 25 marks |
Class 11 | 40 marks | 25 marks |
Class 12 | 40 marks | 25 marks |
Contact Number:
04471961000
Frequently Asked Questions (FAQs)
ZIO stands for Zonal Informatics Olympiad.
After the ZIO exam, selected students will appear for the Indian National Olympiad in Informatics (INOI – 2026).
The ZIO 2026 exam will be held on November 15, 2025.
Students can appear for the ZIO 2026 exam at their allotted exam centre. They can check the admit card to know the address of the exam centre.
Students can apply for the ZIO exam 2026 in online mode on iarcs.org.in.
The second round is the Indian National Olympiad in Informatics (INOI) which involves programming in C++ language.
ZIO admit card 2026 will be released in November 2025.
Students will be able to download the ZIO exam admit card 2026 online by following the instructions sent through Email/SMS.
After the INOI exam, 30 students will be selected for the IOI Training Camp (IOITC), which is expected to be organised in May 2026.
A total of 4 questions are asked in the ZIO 2026 exam for 80 marks in total.
On Question asked by student community
Dear aspirant !
Hope you are doing well! The registration for zonal informatics Olympiad (ZIO) will be ended on 24th November 2021 till evening ,so you have enough time,if there is some more related query then ask us anytime.
Hope it helps you !!
Thank you
Hello
If you want to crack ZoI then first you have to be thorough about the syllabus and analyze each topic and figure out your strong points and weak points. Secondly,you have to study wisely and not just go on studying whatever someone suggests. You have to do smart study.
Hello Aspirant,
Hope you are doing well.
At the ZIO, participants are not expected to know any standard algorithms. It is more of a test of the participant's ability to think and solve problems. Hence generally, problems are of an ad-hoc nature. So doing any particular topics is probably not
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