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Zonal Informatics Olympiad, 2019 (ZIO-2019)

The Zonal Informatics Olympiad, 2019 (ZIO-2019) will be held on Sunday, 18 November, 2018 at centres across the country. ZIO will be conducted in cooperation with TCS iON, a division of Tata Consultancy Services.

Online registration is open from 27 September, 2018 to 31 October, 2018. There will be separate registration for ZIO-2019 and ZCO-2019. Students can write both exams and qualify through either one for INOI-2019, which will be held on 27 January, 2019.

Exam centres

Centres for ZIO-2019 will be arranged in the following 35 cities.

Allahabad, Amritsar, Ahmedabad, Bangalore, Baroda, Bhopal, Bhubaneswar, Bokaro, Chandigarh, Chennai, Cochin, Coimbatore, Dehradun, Goa, Gwalior, Guwahati, Hyderabad, Indore, Jaipur, Jodhpur, Kanpur, Kolkata, Kota, Lucknow, Mumbai, Nagpur, New Delhi, Patna, Pune, Raipur, Ranchi, Tiruchi, Trivandrum, Varanasi. Visakhapatnam.

The address of the exam centre in each city will be announced shortly.

Individual registration

  • Register online on the TCS iON Digital Hub for the Indian Computing Olympiad. You need to first register within the Digital Hub. Click on "Guidelines" for details.

  • The registration fee is Rs 400, to be paid online (internet banking, debit card, credit card).

  • After paying the fee, you will receive an acknowledgment by email/SMS. An activation code for the Digital Hub will be sent to the registered email address within 24 hours. This will be needed to access the practice test (see below).

  • Registration is open till 31 October, 2018.

  • Admit cards will be available through the Digital Hub approximately 10 days before the exam.

Bulk registration

  • Bulk registration is only available for registering 10 or more participants at the same time.

  • Download this spreadsheet template and fill in the candidate details. Please ensure that you enter a valid email address and contact phone number for each student. Notifications will be sent via these channels.

    Here is a sample template with details filled.

  • Submit the completed spreadsheet by email to ico@iarcs.org.in

  • The registration fees are Rs 400 per student. This should be paid through a Demand Draft in the name of Indian Association for Research in Computing Science, payable in Mumbai.

    Make a single consolidated Demand Draft for the entire registration fee (for instance, for 11 candidates, make the DD for Rs 4400) and send it by Speed Post or courier to the following address. Send a scanned copy by email to ico@iarcs.org.in before despatching the physical DD.
    Prof. Madhavan Mukund
    Attn: ZIO 2019 Bulk Registration
    Chennai Mathematical Institute
    H1, SIPCOT IT Park, Siruseri
    Kelambakkam 603103
    Phone: (044) 7196 1000
  • Note: No separate registration is required on the TCS iON Digital Hub.

  • A separate acknowledgment will be sent when the registration fee payment is received. An activation code for the Digital Hub will be sent to the registered email address within 24 hours. This will be needed to access the practice test (see below).

  • Registration is open till 31 October, 2018.

  • Admit cards will be distributed directly approximately 10 days before the exam.

Exam details

Zonal Computing Olympiad, 2019 (ZCO-2019)

The Zonal Computing Olympiad, 2019 (ZCO-2019) will be held on Sunday, 2 December, 2018 at centres across the country. ZCO will be conducted in cooperation with Codechef.

Online registration will open from 27 September, 2018 to 31 October, 2018. There will be separate registration for ZIO-2019 and ZCO-2019. Students can write both exams and qualify through either one for INOI-2019, which will be held on 27 January, 2019.

Exam centres

Centres for ZCO-2019 will be arranged in the following 35 cities.

Allahabad, Amritsar, Ahmedabad, Bangalore, Baroda, Bhopal, Bhubaneswar, Bokaro, Chandigarh, Chennai, Cochin, Coimbatore, Dehradun, Goa, Gwalior, Guwahati, Hyderabad, Indore, Jaipur, Jodhpur, Kanpur, Kolkata, Kota, Lucknow, Mumbai, Nagpur, New Delhi, Patna, Pune, Raipur, Ranchi, Tiruchi, Trivandrum, Varanasi. Visakhapatnam.

The address of the exam centre in each city will be announced shortly.

Individual registration

  • Register online on the TCS iON Digital Hub for the Indian Computing Olympiad. You need to first register within the Digital Hub. Click on "Guidelines" for details.

  • The registration fee is Rs 400, to be paid online (internet banking, debit card, credit card).

  • After paying the fee, you will receive an acknowledgment by email/SMS.

  • Registration is open till 31 October, 2018.

  • Admit cards will be available through the Digital Hub approximately 10 days before the exam.

Bulk registration

  • Bulk registration is only available for registering 10 or more participants at the same time.

  • Download this spreadsheet template and fill in the candidate details. Please ensure that you enter a valid email address and contact phone number for each student. Notifications will be sent via these channels.

    Here is a sample template with details filled.

  • Submit the completed spreadsheet by email to ico@iarcs.org.in

  • The registration fees are Rs 400 per student. This should be paid through a Demand Draft in the name of Indian Association for Research in Computing Science, payable in Mumbai.

    Make a single consolidated Demand Draft for the entire registration fee (for instance, for 11 candidates, make the DD for Rs 4400) and send it by Speed Post or courier to the following address. Send a scanned copy by email to ico@iarcs.org.in before despatching the physical DD.
    Prof. Madhavan Mukund
    Attn: ZCO 2019 Bulk Registration
    Chennai Mathematical Institute
    H1, SIPCOT IT Park, Siruseri
    Kelambakkam 603103
    Phone: (044) 7196 1000
  • Note: No separate registration is required on the TCS iON Digital Hub.

  • A separate acknowledgment will be sent when the registration fee payment is received.

  • Registration is open till 31 October, 2018.

  • Admit cards will be distributed directly approximately 10 days before the exam.

Exam details

International Olympiad in Informatics, 2018

The team to represent India at IOI-2018 at Tsukuba, Japan during September 1–8, 2018 has been selected. The team members are:

  • Ramchandra Kishor Apte, Maniram Homeschool, Bangalore
  • Choudhury Istasis Mishra, Delhi Public School Ruby Park, Kolkata
  • Adhyyan R Sekhsaria, Dhirubhai Ambani International School, Mumbai
  • Mohammad Zaid, Mithila Public School, Forbesganj, Araria, Bihar
IOI 2018 Team Photo
Mohammad, Adhyyan, Istasis, Ramchandra

The Leader and Deputy Leader of the Indian contingent will be Madhavan Mukund and K Narayan Kumar, both from Chennai Mathematical Institute, Chennai.

International Olympiad in Informatics Training Camp, 2018

The Indian team for IOI is selected at the International Olympiad in Informatics Training Camp (IOITC). IOITC-2018 was held over 10 days in Chennai during the period 30 April–9 May, 2018.

Faculty for IOITC-2018:

  • Arjun Arul, Codechef
  • Sreejata Kishor Bhattacharya, CMI
  • Rajat De, CMI
  • Swapnil Gupta, IIIT-H
  • Kushagra Juneja, IIT-B
  • Arjun P, IIIT-H
  • Sampriti Panda
  • Yeshwanth Sripathy, Amrita Coimbatore
  • Sidhant Bansal, NUS
  • Animesh Fatehpuria, Georgia Tech
  • Praveen Dhinwa, Codechef

We thank Sasken Technologies Ltd for sponsoring the camp and Chennai Mathematical Institute for hosting the camp on their campus.

The Indian team's travel to IOI-2018 will be sponsored by Sasken Technologies Ltd.

Indian National Olympiad in Informatics, 2018 (INOI-2018)

The Indian National Olympiad in Informatics, 2018 (INOI-2018) took place on Sunday, 7 January, 2018. 31 students have qualified for the International Olympiad in Informatics Training Camp, 2018 (IOITC-2018) to select the Indian team for the International Olympiad in Informatics, 2018 (IOI-2018).

Zonal Informatics Olympiad, 2018 (ZIO-2018)

The Zonal Informatics Olympiad, 2018 (ZIO-2018) was held at 34 cities across India on Saturday, 18 November, 2017. About 410 students wrote ZIO-2018.

126 students have qualified through ZIO-2018 for INOI-2018. The cutoff scores are available in the ZIO-2018 solutions (see the link to question papers at the bottom of this page).

Zonal Computing Olympiad, 2018 (ZCO-2018)

The Zonal Computing Olympiad, 2018 (ZCO-2018) was held at 34 cities across India on Saturday, 11 November, 2017. About 470 students wrote ZCO-2018.

106 students have qualified through ZCO-2018 for INOI-2018.

International Olympiad in Informatics, 2017

IOI-2017 was held at Tehran, Iran from July 28 to August 4, 2017. The team that represented India at IOI-2017 was as follows:

  • Sidhant Bansal, Delhi Public School, Dwarka, New Delhi
  • Nalin Bhardwaj, Delhi Public School, Faridabad
  • Srijon Mukherjee, Amity International School, Noida
  • Sampriti Panda, SAI International School, Bhubaneswar

One student was named as a reserve member, on standby.

  • Shivam Bansal, Delhi Public School, Rohini, New Delhi

Sidhant Bansal, Srijon Mukherjee and Sampriti Panda won bronze medals.

IOI 2017 Team Photo
Sampriti, Srijon, Sidhant, Nalin

The Leader and Deputy Leader of the Indian contingent were Madhavan Mukund and K Narayan Kumar, both from Chennai Mathematical Institute, Chennai.

The Indian team's travel to IOI-2017 was sponsored by Sasken Communication Technologies Ltd.

International Olympiad in Informatics Training Camp, 2017

The Indian team for IOI is selected at the International Olympiad in Informatics Training Camp (IOITC). IOITC-2017 was held over 10 days in Chennai during the period 30 April–9 May, 2017.

Faculty for IOITC-2017:

  • Sundar Annamalai, IIT Madras
  • Arjun Arul, Codechef
  • Sreejata Kishor Bhattacharya, CMI
  • Rajat De, CMI
  • Animesh Fatehpuria, Georgia Tech
  • Malvika Joshi, MIT
  • Tanuj Khattar, IIIT Hyderabad
  • Prashant Mahesh, SSN College of Engg
  • Balajiganapathi Senthilnathan, Directi
  • Satyaki Upadhyay, Directi
  • Rajas Vanjape, IIIT Hyderabad

We thank Sasken Technologies Ltd for sponsoring the camp and Chennai Mathematical Institute for hosting the camp on their campus.

The Indian team's travel to IOI-2017 will be sponsored by Sasken Technologies Ltd.

Indian National Olympiad in Informatics, 2017 (INOI-2017)

The Indian National Olympiad in Informatics, 2017 (INOI-2017) took place on Sunday, 8 January, 2017. Of the 326 students who participated in INOI-2017,

INOI-2017 was conducted in cooperation with Codechef.

Zonal Informatics Olympiad, 2017 (ZIO-2017) and Zonal Computing Olympiad, 2017 (ZCO-2017)

The Zonal Informatics Olympiad, 2017 (ZIO-2017) and Zonal Computing Olympiad (ZCO-2017) were held at 34 cities across India on Sunday, 20 November, 2016. About 630 students registered for ZIO-2017 and 520 students registered for ZCO-2017.

131 students have qualified through ZIO-2017 for INOI-2017. The cutoff scores are available in the ZIO-2017 solutions (see the link below).

All 352 students who wrote ZCO-2017 will be permited to write INOI-2017. Several students were hampered by technical problems during ZCO-2017, and it was felt that the fairest solution was to allow all candidates to participate in the second round.

The question paper and solution for ZIO-2017 are available online.

ZIO-2017 and ZCO-2017 were powered by TCS iON, a division of Tata Consultancy Services.

Question papers and other material from …




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