About ZIO 2020

Indian Association for Research in Computer Science (IARCS) conducts Zonal Informatics Olympiad (ZIO) yearly to assess the ability of students in Computer Science. ZIO 2020 is open for all the students who are enrolled in schools. ZIO application forms 2020 were released on August 25 and students will have to apply online before November 1, 2019. This exam will be held on November 10, 2019. The result for the same will be declared in the first week of December 2019. Qualifying ZIO makes you eligible for Indian National Olympiad in Informatics (INOI – 2020). The question paper of ZIO consists of 4 questions made up of 12 'cases' (or sub-questions). These 4 questions carry 20 marks each. Candidates get 3 hours to solve this 80 marks paper.

Exam level: Intermediate
Frequency: Once a year
Languages English
Conducting Body: Indian Association for Research in Computing Science
Duration 3 Hours

Download all details about ZIO 2020

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ZIO 2020 Important Dates

Upcoming Dates and Events

25 Aug, 2019 - 01 Nov, 2019

Application | Mode: Online Ongoing

05 Nov, 2019 (Tentative)

Admit Card | Mode: Online

10 Nov, 2019

Exam | Mode: Online

ZIO 2020 Eligibility Criteria

The eligibility criteria for Zonal Informatics Olympiad states the rules and regulations to be followed by appearing candidates. These are the minimum requirements which candidates should meet to be allowed for ZIO 2020 :

  • The candidate must be enrolled in a school and must belong to 12th standard or any standard lower than that.
  • All schools and boards across India are accepted.
  • There is no lower age limit for ZIO.

ZIO 2020 Application Process

Mode of Application : Offline

Mode of Payment : Other

Application forms for ZIO 2020 were released on August 25, 2019 and students can apply online till November 1, 2019. Students can register individually by submitting an application form in online mode. Follow the given steps to fill the ZIO 2020 application form:

  • First of all, students will have to visit the online portal. Click here to access the ZIO 2020 online portal.
  • Then Click on guidelines and read all the instructions carefully.
  • Click on register now button and login/Signup using required credentials.
  • Now click on the link named as "Apply for ZIO".
  • It will lead to an application form. Fill all the details appropriately and submit it.

Application Fees

Category Quota Mode Gender Amount
ST, General, SC, OBC Online Male, Transgender, Female ₹ 472

ZIO 2020 Preparation Tips


In ZIO 2020, Apart from determination and hard work, studying smart is also needed. These are some tips and tricks by exam experts which will be beneficial in your preparation for ZIO 2020:

  • Study smart, not more : Studying smart is more important studying more. Get a notebook and write down the complete syllabus. Sort out the topics into categories like 'Prepared, not Prepared, have to revise etc.". This will give you an overview of the amount of time you need to give to a particular topic and help you study smart.
  • Make a Study Plan: Making a study plan makes you more consistent towards your studies and allows you to give a set amount of time for everything you do. This is important as most of our time is spent doing idle things. Making a study plan diminishes that chance of wasting your precious time.
  • Learn the syllabus: By heart. Being aware of the complete syllabus and the important topics is the first step in realizing the areas of strongholds and the chinks in the armour of your preparation. Read the syllabus completely and analyse it accordingly.
  • Practice from sample papers and mock tests: Sample papers and mock tests are very important as they help you analyse yourself. After completing a topic, make it strong by giving a mock test or solving a sample paper.
  • Understand the standard of questions and the Exam Pattern: Understanding the standard of questions enables you to prepare for the topics accordingly. Exam pattern and previous year question papers show us that a total of 4 questions come in the ZIO 2020. These 4 questions are divided into 12 parts (3 parts or sub-questions for one main question). 

ZIO 2020 Exam Pattern

Exam pattern for ZIO 2020 gives information on how the paper is set so that students can study accordingly. It is important for students to go through the exam pattern of ZIO 2020 in order to prepare for the exam better. Exam pattern for ZIO 2020 is given below

Sr. No.QuestionMarks
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
Total4 questions (12 sub-questions)80

ZIO 2020 Mock Test

Mock Tests and Sample Question Papers are advised by exam experts for their success in Zonal Informatics Olympiad. Aspirants must practise sample papers and mock tests before appearing for ZIO 2020 to have an extra edge over the competition. Solving question papers also make you aware of the exam pattern, syllabus, standard of questions etc. Some of the most important topics for  ZIO 2020 divided into 'Basic' and 'Advanced' categories:

Basic Topics :

  • Introduction
  • Efficiency
  • Searching
  • Sorting
  • Basic Graph Algorithm
  • Dynamic Programming
  • Greedy Algorithms 
  •  Computing Shortest Paths
  • Heaps 
  • Permutations
  • Directed Acyclic Graphs
  • Computing Prefix Sums
  • Sliding Window Algorithm

Advanced Topics :

  • Advanced Graph Algorithms
  • Dynamic Programming on Trees
  • Range Queries
  • Network Flows
  • Games and Strategies
  • Geometry

Documents Required at Exam

  • Admit card
  • School ID card

Indian Association of Research in Computing Science (IARCS) will release the ZIO result in the first week of December, 2019. Zonal Informatics Olympiad (ZIO) Result 2020 is declared online on the official website. Applicants will get a list of selected students state-wise and they have to check their result of Zonal Informatics Olympiad 2020 under their respective states. Selected students will move on to Indian National Olympiad in Informatics which will lead to the International Olympiad in Informatics Training Camp.

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