Indian Computing Olympiad

Offered By  TCS iON
Indian Computing Olympiad image
About TCS iON

Exam Details

Date: 19th December, 2020

Time: 2:00 PM to 5:00 PM

Registration Closes

7th December, 2020



Learning Outcomes of the Event


Event Summary

The Indian Computing Olympiad (ICO) is a three stage competition for high school students. The overall aim is to select the Indian team for the International Olympiad in Informatics (IOI).

IOI is the most prestigious international contest in Computer Science for high school students, where 80 countries participate each year.

For more details, look up the official ICO webpage.


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Who should join this Event?

School students upto Class XII in the academic year 2020-21 who are interested in algorithms and programming are eligible to register for ICO.


Event Structure

The first stage of ICO is the Zonal round. The Zonal Informatics Olympiad (ZIO) is a regular examination that tests analytical and computational reasoning.

About 200-300 students qualify for the second stage of ICO, the Indian National Olympiad in Informatics (INOI). INOI is an algorithmic programming contest. About 25-30 students qualify from INOI for the residential IOI Training Camp in May-June, and finally four students are selected for the final Indian team for IOI.

The Zonal Informatics Olympiad will be held on Saturday, 19th December 2020. The Indian National Olympiad in Informatics will be held around February 2021.



ZIO is a conventional exam that requires school level mathematics and some basic understanding of algorithms. The syllabus is the list of Basic Topics in the IARCS Online Study Material for ICO. The official programming language for INOI is C++.


How to Prepare/Resources

1. Past year Question Papers:
  1. Past ZIO Questions:
  2. Past INOI Questions:
  3. Past IOI Questions:
2. Preparatory Material:

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