IOI

Chairman & Main information & Awards Champion

 

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Content About & Problems

 

1989

 

Chairman: Petar Kenderov

Host: Pravetz, Bulgaria

Dates: 16 May 1989 – 19 May 1989

Contestants: 46

Countries: 13

Awards Champion: Teodor Tonchev Bulgaria

http://ioi.te.lv/locations/ioi89/

http://stats.ioinformatics.org/olympiads/1989

Problems

https://ioinformatics.org/page/ioi-1989/15

 

1990

Chairman: Nikolay Krasovsky

Host: Minsk, Soviet Union

Dates: 15 July 1990 – 21 July 1990

Contestants: 100

Countries: 25

Awards Champion: Tzvetomir Petrov Bulgaria

http://ioi.te.lv/locations/ioi90/

http://stats.ioinformatics.org/olympiads/1990

Problems

https://ioinformatics.org/page/ioi-1990/16

1991

Chairman: Christos Kilias

Host: Athens, Greece

Dates: 19 May 1991 – 25 May 1991

Contestants: 68

Countries: 23

Awards Champion: Igor Maly Czechoslovakia

http://ioi.te.lv/locations/ioi91/

http://stats.ioinformatics.org/olympiads/1991

Problems

https://ioinformatics.org/page/ioi-1991/17

 

1992

Chairman: Peter Heyderhoff (Awards2002)

https://ioinformatics.org/page/awards/8

Host: Bonn, Germany

Dates: 11 July 1992 – 21 July 1992

Contestants: 171

Countries: 51

Awards Champions: http://stats.ioinformatics.org/results/1992

http://ioi.te.lv/locations/ioi92/

http://stats.ioinformatics.org/olympiads/1992

Problems

https://ioinformatics.org/page/ioi-1992/18

 

1993

Chairman: Alicia Bañuelos

Host: Mendoza, Argentina

Dates: 16 October 1993 – 25 October 1993

Contestants: 155

Countries: 43

Awards Champions:

Fredrik Huss

Sweden

Martin Mareš

Czech Republic

Mehdi Foladgar

Iran

Radu-Lucian Lupsa

Romania

http://ioi.te.lv/locations/ioi93/

http://stats.ioinformatics.org/olympiads/1993

Problems

https://ioinformatics.org/page/ioi-1993/19

1994

Chairman: Yngve Lindberg

Host: Haninge, Sweden

Dates: 03 July 1994 – 10 July 1994

Contestants: 189

Countries: 49

Awards Champion: Victor Bargatchev

Russia

 

http://ioi.te.lv/locations/ioi94/

http://stats.ioinformatics.org/olympiads/1994

Problems

https://ioinformatics.org/page/ioi-1994/20

1995

Chairman: Ries Kock (Awards2003)

https://ioinformatics.org/page/awards/8

Host: Eindhoven, Netherlands

Dates: 26 June 1995 – 03 July 1995

Contestants: 210

Countries: 51

Awards Champion: Victor Bargatchev

Russia

 

http://ioi.te.lv/locations/ioi95/

http://stats.ioinformatics.org/olympiads/1995

Problems

https://ioinformatics.org/page/ioi-1995/21

1996

Chairman: Gyula Horváth

https://ioinformatics.org/page/awards/8

Host: Veszprém, Hungary

Dates: 25 July 1996 – 02 August 1996

Contestants: 220

Countries: 57

Awards Champion: Daniel Kráľ

Czech Republic

 

http://ioi.te.lv/locations/ioi96/

http://stats.ioinformatics.org/olympiads/1996

Problems

https://ioinformatics.org/page/ioi-1996/22

1997

Chairman: Lionel Hartmann (Awards2006)

https://ioinformatics.org/page/awards/8

Host: Cape Town, South Africa

Dates: 30 November 1997 – 07 December 1997

Contestants: 221

Countries: 63

Awards Champion:

Vladimir Martianov

Russia

http://ioi.te.lv/locations/ioi97/

http://stats.ioinformatics.org/olympiads/1997

Problems

https://ioinformatics.org/page/ioi-1997/23

1998

Chairman: Alexandre Cerveira

Host: Setúbal, Portugal

Dates: 05 September 1998 – 12 September 1998

Contestants: 241

Countries: 68

Awards Champions:

Daniel Wright

South Africa

Mihai Stroe

Romania

Vladimir Martianov

Russia

Zhunping Zhang

China

http://ioi.te.lv/locations/ioi98/

http://stats.ioinformatics.org/olympiads/1998

Problems

https://ioinformatics.org/page/ioi-1998/24

1999

Chairman: Göktürk Üçoluk (Awards2019)

https://ioinformatics.org/page/awards/8

Host: Antalya-Belek, Turkey

Dates: 09 October 1999 – 16 October 1999

Contestants: 253

Countries: 65

Awards Champion:

Hong Chen

China

http://ioi.te.lv/locations/ioi99/

http://stats.ioinformatics.org/olympiads/1999

Problems

https://ioinformatics.org/page/ioi-1999/25

2000

Chairman: Zide Du (Awards2010)

https://ioinformatics.org/page/awards/8

Host: Beijing, China

Dates: 23 September 2000 – 30 September 2000

Contestants: 278

Countries: 72

Awards Champion:

Mikhail Baoutine

Russia

http://ioi.te.lv/locations/ioi00/

http://stats.ioinformatics.org/olympiads/2000

Problems

https://ioinformatics.org/page/ioi-2000/26

2001

Chairman: Jari Koivisto (Awards2016)

https://ioinformatics.org/page/awards/8

Host: Tampere, Finland

Dates: 14 July 2001 – 21 July 2001

Contestants: 272

Countries: 74

Awards Champion:

Reid Barton

United States of America

http://ioi.te.lv/locations/ioi01/

http://stats.ioinformatics.org/olympiads/2001

Problems

https://ioinformatics.org/page/ioi-2001/27

2002

Chairman: Ha Jine Kimn

Host: Yong-In, Republic of Korea

Dates: 18 August 2002 – 25 August 2002

Contestants: 276

Countries: 78

Awards Champion:

Wan Yeong Jung

Republic of Korea

http://ioi.te.lv/locations/ioi02/

http://stats.ioinformatics.org/olympiads/2002

Problems

https://ioinformatics.org/page/ioi-2002/28

2003

Chairman: Donald Theodore Piele (Awards2015)

https://ioinformatics.org/page/awards/8

Host: Kenosha, United States of America

Dates: 16 August 2003 – 23 August 2003

Contestants: 265

Countries: 69

Awards Champion:

Hwan-Seung Yeo

Republic of Korea

http://ioi.te.lv/locations/ioi03/

http://stats.ioinformatics.org/olympiads/2003

Problems

https://ioinformatics.org/page/ioi-2003/29

2004

Chairman: Spyros Bakogiannis

Host: Athens, Greece

Dates: 11 September 2004 – 18 September 2004

Contestants: 291

Countries: 76

Awards Champion:

Paul Jefferys

United Kingdom

http://ioi.te.lv/locations/ioi04/

http://stats.ioinformatics.org/olympiads/2004

Problems

https://ioinformatics.org/page/ioi-2004/30

2005

Chairman: Krzysztof Diks

Host: Nowy Sącz, Poland

Dates: 18 August 2005 – 25 August 2005

Contestants: 276

Countries: 72

Awards Champions:

Eric Price

United States of America

Weidong Hu

China

Yuan Zhou

China

Yuriy Znovyak

Ukraine

http://ioi.te.lv/locations/ioi05/

http://stats.ioinformatics.org/olympiads/2005

Problems

https://ioinformatics.org/page/ioi-2005/31

2006

Chairman: Arturo Cepeda Salinas

Host: Mérida, Mexico

Dates: 13 August 2006 – 20 August 2006

Contestants: 282

Countries: 74

Awards Champion:

Filip Wolski

Poland

http://ioi.te.lv/locations/ioi06/

http://stats.ioinformatics.org/olympiads/2006

Problems

https://ioinformatics.org/page/ioi-2006/32

2007

Chairman: Ivo Šeparović

Host: Zagreb, Croatia

Dates: 15 August 2007 – 22 August 2007

Contestants: 285

Countries: 77

Awards Champion:

Tomasz Kulczyński

Poland

http://ioi.te.lv/locations/ioi07/

http://stats.ioinformatics.org/olympiads/2007

Problems

https://ioinformatics.org/page/ioi-2007/33

2008

Chairman: Mohamed Youssef

Host: Cairo, Egypt

Dates: 16 August 2008 – 23 August 2008

Contestants: 283

Countries: 78

Awards Champion:

Huacheng Yu

China

http://ioi.te.lv/locations/ioi08/

http://stats.ioinformatics.org/olympiads/2008

Problems

https://ioinformatics.org/page/ioi-2008/34

2009

Chairman: Krassimir Manev(Awards2005)

https://ioinformatics.org/page/awards/8

Host: Plovdiv, Bulgaria

Dates: 08 August 2009 – 15 August 2009

Contestants: 301

Countries: 78

Awards Champion:

Gennady Korotkevich

Belarus

http://ioi.te.lv/locations/ioi09/

http://stats.ioinformatics.org/olympiads/2009

Problems

https://ioinformatics.org/page/ioi-2009/35

2010

Chairman: Troy Vasiga

Host: Waterloo, Canada

Dates: 14 August 2010 – 21 August 2010

Contestants: 297

Countries: 80

Awards Champion:

Gennady Korotkevich

Belarus

http://ioi.te.lv/locations/ioi10/

http://stats.ioinformatics.org/olympiads/2010

Problems

https://ioinformatics.org/page/ioi-2010/36

2011

Chairman: Kanchit Malaivongs

Host: Pattaya, Thailand

Dates: 22 July 2011 – 29 July 2011

Contestants: 303

Countries: 78

Awards Champion:

Gennady Korotkevich

Belarus

http://ioi.te.lv/locations/ioi11/

http://stats.ioinformatics.org/olympiads/2011

Problems

https://ioinformatics.org/page/ioi-2011/37

2012

Chairman: Giuseppe Colosio

Host: Sirmione/Montichiari, Italy

Dates: 23 September 2012 – 30 September 2012

Contestants: 310

Countries: 81

Awards Champion:

Johnny Ho

United States of America

http://ioi.te.lv/locations/ioi12/

http://stats.ioinformatics.org/olympiads/2012

Problems

https://ioinformatics.org/page/ioi-2012/38

2013

Chairman: Peter Taylor

Host: Brisbane, Australia

Dates: 06 July 2013 – 13 July 2013

Contestants: 299

Countries: 77

Awards Champion:

Lijie Chen

China

http://ioi.te.lv/locations/ioi13/

http://stats.ioinformatics.org/olympiads/2013

Problems

https://ioinformatics.org/page/ioi-2013/39

2014

Chairman: Greg Lee

Host: Taipei, Taiwan

Dates: 13 July 2014 – 20 July 2014

Contestants: 311

Countries: 81

Awards Champions:

Ishraq Huda

Australia

Scott Wu

United States of America

Yinzhan Xu

China

http://ioi.te.lv/locations/ioi14/

http://stats.ioinformatics.org/olympiads/2014

Problems

https://ioinformatics.org/page/ioi-2014/40

2015

Chairman: Bakhyt Matkarimov

Host: Almaty, Kazakhstan

Dates: 26 July 2015 – 02 August 2015

Contestants: 322

Countries: 83

Awards Champion:

Jeehak Yoon

Republic of Korea

http://ioi.te.lv/locations/ioi15/

http://stats.ioinformatics.org/olympiads/2015

Problems

https://ioinformatics.org/page/ioi-2015/41

 

2016

Chairman: Vladimir Kiryukhin(Awards2008, 2003)

https://ioinformatics.org/page/awards/8

Host: Kazan, Russia

Dates: 12 August 2016 – 19 August 2016

Contestants: 308

Countries: 80

Awards Champion:

Ce Jin

China

http://ioi.te.lv/locations/ioi16/

http://infolymp.ru/ioi/ioi2016.php

http://stats.ioinformatics.org/olympiads/2016

Problems

https://ioinformatics.org/page/ioi-2016/42

2017

Chairman: Mohammad Ali Abam

Host: Tehran, Iran

Dates: 28 July 2017 – 04 August 2017

Contestants: 308

Countries: 83

Awards Champion:

Yuta Takaya

Japan

http://ioi.te.lv/locations/ioi17/

http://stats.ioinformatics.org/olympiads/2017

Problems

https://ioinformatics.org/page/ioi-2017/43

2018

Chairman: Kazuo Furukawa

Host: Tsukuba, Japan

Dates: 01 September 2018 – 08 September 2018

Contestants: 335

Countries: 87

Awards Champion:

Benjamin Qi

United States of America

http://ioi.te.lv/locations/ioi18/

http://stats.ioinformatics.org/olympiads/2018

Problems

https://ioinformatics.org/page/ioi-2018/49

2019

Chairman: Jeyhun Bayramov

Host: Baku, Azerbaijan

Dates: 04 August 2019 – 11 August 2019

Contestants: 327

Countries: 87

Awards Champion:

Benjamin Qi

United States of America

·                                  

 

http://ioi.te.lv/locations/ioi19/

https://ioi2019.az/en-content-17.html

http://stats.ioinformatics.org/olympiads/2019

Problems

https://ioinformatics.org/page/ioi-2019/51

2020