VoiceOfIOI's blog

Blogs

IOI 1989 - 2025 命题者名单

2026-06-23 15:52:03 By VoiceOfIOI
IOI Task Authors Delegation
2025 1 Souvenirs Félix Moreno Peñarrubia 🇪🇸 Spain
Triple Peaks Kamil Dębowski 🇵🇱 Poland
World Map Masataka Yoneda, Hirotaka Yoneda 🇯🇵 Japan
2 Festival Masataka Yoneda, Hirotaka Yoneda 🇯🇵 Japan
Migrations Masataka Yoneda, Hirotaka Yoneda 🇯🇵 Japan
Obstacles for a Llama Sunghyeon Jo 🇰🇷 South Korea
2024 1 Nile Pikatan Arya Bramajati 🇮🇩 Indonesia
Message Arthur Nascimento 🇧🇷 Brazil
Tree Pikatan Arya Bramajati 🇮🇩 Indonesia
2 Hieroglyphs Félix Moreno Peñarrubia 🇪🇸 Spain
Mosaic Prabowo Djonatan 🇮🇩 Indonesia
Sphinx Joshua Lau 🇦🇺 Australia
2023 1 Closing Time Hirotaka Yoneda, Masataka Yoneda 🇯🇵 Japan
Longest Trip Hazem Issa 🇪🇬 Egypt
Soccer Hirotaka Yoneda, Masataka Yoneda 🇯🇵 Japan
2 Beech Tree Alireza Keshavarz, Amir Mohammad Shahrezaei 🇮🇷 Iran
Overtaking Bernard Teo 🇸🇬 Singapore
Robot Contest Hirotaka Yoneda, Masataka Yoneda 🇯🇵 Japan
2022 1 Catfish Farm Lim Rui Yuan 🇸🇬 Singapore
Prisoner Challenge Masataka Yoneda, Hirotaka Yoneda 🇯🇵 Japan
Radio Towers Kevin Luiz Ponte Pucci 🇵🇹 Portugal
2 Digital Circuit Prabowo Djonatan 🇮🇩 Indonesia
Rarest Insects Hazem Issa 🇪🇬 Egypt
Thousands Islands Félix Moreno Peñarrubia 🇪🇸 Spain
2021 1 Candies Nguyen Vu Hoang Vuong 🇻🇳 Vietnam
Keys Tadija Šebez 🇷🇸 Serbia
Parks Pavle Martinović 🇷🇸 Serbia
2 DNA Agustín Santiago Gutiérrez 🇦🇷 Argentina
Dungeons Ta-Jui Ho (Darryl) 🇹🇼 Taiwan
Registers Maxim Akhmedov 🇷🇺 Russia
2020 1 Plants Sunghyeon Jo 🇰🇷 South Korea
Supertrees Ranald Lam Yun Shao, Ling Yan Hao 🇸🇬 Singapore
Tickets Xiao Mao 🇨🇳 China
2 Biscuits Mikhail Tikhomirov 🇷🇺 Russia
Mushrooms Angus Ritossa 🇦🇺 Australia
Stations Mikhail Tikhomirov 🇷🇺 Russia
2019 1 Arranging Shoes Danylo Mysak 🇺🇦 Ukraine
Split the Attractions Alireza Farhadi, Saeed Seddighin 🇮🇷 Iran
Rectangles Peyman Jabbarzade 🇮🇷 Iran
2 Broken Line Tomasz Idziaszek, Jakub Łącki 🇵🇱 Poland
Vision Program Danylo Mysak 🇺🇦 Ukraine
Sky Walking Riku Kawasaki 🇯🇵 Japan
2018 1 Combo Ammar Fathin Sabili 🇮🇩 Indonesia
Seats Mikhail Pyaderkin 🇷🇺 Russia
Werewolf Mohammad Roghani, Helia Ziaei 🇮🇷 Iran
2 Mechanical Doll Tomasz Idziaszek 🇵🇱 Poland
Highway Tolls Shogo Murai 🇯🇵 Japan
Meetings Riku Kawasaki 🇯🇵 Japan
2017 1 Nowruz Monika Steinová, Michal Forišek, HSC 🇸🇰 Slovakia
Wiring Aleksandar Ilić 🇷🇸 Serbia
Toy Train Saeed Seddighin 🇮🇷 Iran
2 The Big Prize Hamed Valizadeh 🇮🇷 Iran
Simurgh Saeed Seddighin 🇮🇷 Iran
Ancient Books Daniel Graf 🇨🇭 Switzerland
2016 1 Detecting Molecules Shi-Chun Tsai 🇹🇼 Taiwan
Roller Coaster Railroad Kento Nikaido 🇯🇵 Japan
Shortcut Gleb Evstropov 🇷🇺 Russia
2 Paint by Numbers Michal Forišek 🇸🇰 Slovakia
Unscrambling a Messy Bug Shi-Chun Tsai 🇹🇼 Taiwan
Aliens Chethiya Abeysinghe 🇱🇰 Sri Lanka
2015 1 Boxes with Souvenirs Monika Steinová 🇸🇰 Slovakia
Scales Eryk Kopczyński 🇵🇱 Poland
Teams Adam Karczmarz 🇵🇱 Poland
2 Horses Mansur Kutubayev 🇰🇿 Kazakhstan
Sorting Weidong Hu 🇨🇳 China
Towns Bang Ye Wu 🇹🇼 Taiwan
2014 1 Rail Vytautas Gruslys 🇱🇹 Lithuania
Wall Bartosz Tarnawski 🇵🇱 Poland
Game Jonathan Mosheiff, Nir Lavee 🇮🇱 Israel
2 Gondola Michal Forišek 🇸🇰 Slovakia
Friend Sun-Yuan Hsieh 🇹🇼 Taiwan
Holiday Jakub Łącki 🇵🇱 Poland
2013 1 Dreaming Kazuhiro Hosaka 🇯🇵 Japan
Art Class John Dethridge 🇦🇺 Australia
Wombats Richard Peng 🇺🇸 USA
2 Cave Amaury Pouly, Arthur Charguéraud 🇫🇷 France
Robots Vytautas Gruslys 🇱🇹 Lithuania
Game Monika Steinová 🇸🇰 Slovakia
2012 1 Pebbling Odometer Michal Forišek 🇸🇰 Slovakia
Parachute Rings Michal Forišek 🇸🇰 Slovakia
Crayfish Scrivener Bruce Merry 🇿🇦 South Africa
2 Ideal City Aleksandar Ilić, Andreja Ilić 🇷🇸 Serbia
Last Supper Richard Královič 🇸🇰 Slovakia
Jousting Tournament Luke Harrison 🇦🇺 Australia
2011 1 Tropical Garden Normunds Vilciņš 🇱🇻 Latvia
Race Martin Fixman 🇦🇷 Argentina
Ricehub Christian Kauth 🇱🇺 Luxembourg
2 Crocodile Mihai Pătrașcu 🇷🇴 Romania
Elephants Mihai Pătrașcu 🇷🇴 Romania
Parrots Jittat Fakcharoenphol 🇹🇭 Thailand
2010 1 Cluedo Gordon Cormack 🇨🇦 Canada
Hotter Colder Gordon Cormack 🇨🇦 Canada
Quality of Living Christopher Chen 🇦🇺 Australia
Language Gordon Cormack 🇨🇦 Canada
2 Memory Gordon Cormack 🇨🇦 Canada
Traffic Jorge Bernadas 🇻🇪 Venezuela
Maze Monika Steinová, Michal Forišek 🇸🇰 Slovakia
Save it Mihai Pătrașcu 🇷🇴 Romania
2009 1 Archery Velin Tzanov 🇧🇬 Bulgaria
Hiring Velin Tzanov 🇧🇬 Bulgaria
Poi Carl Hultquist 🇿🇦 South Africa
Raisins Emil Kelevеdjiev 🇧🇬 Bulgaria
2 Garage Carl Hultquist 🇿🇦 South Africa
Mecho Carl Hultquist 🇿🇦 South Africa
Regions Long Fan, Richard Peng 🇨🇳 China
Salesman Velin Tzanov 🇧🇬 Bulgaria
2008 1 Type Printer Richard Peng 🇨🇦 Canada
Islands Mohamed Taha 🇪🇬 Egypt
Fish Velin Tzanov 🇧🇬 Bulgaria
2 Linear Garden Aleksandar Ilić 🇷🇸 Serbia
Pyramid Base Richard Peng 🇨🇦 Canada
Teleporters Masaki Watanabe 🇯🇵 Japan
2007 1 Aliens Pavel Pankov 🇰🇬 Kyrgyzstan
Flood Luka Kalinovčić 🇭🇷 Croatia
Sails Ivan Sikiric 🇭🇷 Croatia
2 Miners Lovro Pužar 🇭🇷 Croatia
Pairs Luka Kalinovčić 🇭🇷 Croatia
Trainings Luka Kalinovčić 🇭🇷 Croatia
2006 1 Forbidden Subgraph Francisco Zaragoza 🇲🇽 Mexico
Pyramid Hugo Ryckeboer 🇦🇷 Argentina
Deciphering the Mayan Writing Cesar Cepeda 🇲🇽 Mexico
2 A Black Box Game Cesar Cepeda, Hugo Ryckeboer 🇲🇽 Mexico
The Valley of Mexico Francisco Zaragoza, Feliú Sagols, Criel Merino 🇲🇽 Mexico
Joining Points Criel Merino 🇲🇽 Mexico
2005 1 Garden Mathias Hiron, Szymon Acedański 🇫🇷 France
Mean Sequence Tom Verhoeff, Szymon Acedański 🇳🇱 the Netherlands
Mountain Jakub Pawlewicz, Anna Niewiarowska 🇵🇱 Poland
2 Birthday Jakub Pawlewicz 🇵🇱 Poland
Rectangle Game Jakub Radoszewski, Marcin Kubica 🇵🇱 Poland
Rivers Łukasz Kowalik 🇵🇱 Poland
2004 1 Artemis Bruce Merry 🇿🇦 South Africa
Hermes Elias Koutsoupias 🇬🇷 Greece
Polygon Yannis Emiris 🇬🇷 Greece
2 Empodia Yannis Emiris 🇬🇷 Greece
Farmer unknown unknown
Phidias Vasilis Zisimopoulos 🇬🇷 Greece
2003 1 Trail Maintenance Local SC unknown
Comparing Code Local SC unknown
Reverse Tom Verhoeff 🇳🇱 the Netherlands
2 Guess Which Cow Local SC unknown
Amazing Robots unknown unknown
Seeing the Boundary Local SC unknown
2002 1 The Troublesome Frog Soo-Hwan Kim, Greg Galperin 🇰🇷 South Korea, 🇺🇸 USA
Utopia Divided Sergejs Meļņiks, Jung-Hum Park, Chong-Dae Park, Kee-Moon Song, Ian Munro 🇱🇻 Latvia, 🇰🇷 South Korea, 🇨🇦 Canada
XOR Hwan-Gue Cho, Chong-Dae Park, Jyrki Nummenmaa 🇰🇷 South Korea, 🇫🇮 Finland
2 Batch Scheduling Hee-Chul Kim, Jyrki Nummenmaa 🇰🇷 South Korea, 🇫🇮 Finland
Bus Terminals Chan-Su Shin, Djura Paunić 🇰🇷 South Korea, 🇷🇸 Serbia
Two Rods Hwan-Gue Cho, Ian Munro 🇰🇷 South Korea, 🇨🇦 Canada
2001 1 Mobile Phones Timo Tossavainen, Jyrki Nummenmaa 🇫🇮 Finland
Ioiwari Game Gyula Horváth 🇭🇺 Hungary
Twofive Sergejs Meļņiks, Tero Karras 🇱🇻 Latvia, 🇫🇮 Finland
2 Score Timo Poranen, Jyrki Nummenmaa 🇫🇮 Finland
Double Crypt Tom Verhoeff 🇳🇱 the Netherlands
Depot Jyrki Nummenmaa, Erkki Mäkinen 🇫🇮 Finland
2000 1 Palindrome Erkki Mäkinen 🇫🇮 Finland
Car Parking Lin Xiao 🇨🇳 China
Median Strength Tom Verhoeff 🇳🇱 the Netherlands
2 Walls Hong Wang, Donglin Xia 🇨🇳 China
Post Office Hong Wang, Donglin Xia 🇨🇳 China
Building with Blocks Hong Wang, Donglin Xia 🇨🇳 China
1999 1 Little Shop of Flowers Halit Oğuztüzün 🇹🇷 Türkiye
Hidden Codes Faruk Polat 🇹🇷 Türkiye
Underground City Göktürk Üçoluk 🇹🇷 Türkiye
2 Traffic Lights İsmail Hakkı Toroslu 🇹🇷 Türkiye
Flatten İsmail Hakkı Toroslu 🇹🇷 Türkiye
A Strip of Land İsmail Hakkı Toroslu 🇹🇷 Türkiye
1998 1 Contact Luís Caires 🇵🇹 Portugal
Starry Night Artur Miguel Dias 🇵🇹 Portugal
Party Lamps Nuno Mamede 🇵🇹 Portugal
2 Picture Manuel Próspero dos Santos 🇵🇹 Portugal
Camelot Luís Caires 🇵🇹 Portugal
Polygon Margarida Mamede 🇵🇹 Portugal
1997 1 Mars Explorer unknown unknown
Game of Hex unknown unknown
Toxic iShongololo unknown unknown
2 Map Labelling unknown unknown
Character Recognition unknown unknown
Stacking Containers unknown unknown
1996 1 A Game Gyula Horváth 🇭🇺 Hungary
Job Processing Gyula Horváth 🇭🇺 Hungary
Network of Schools Gyula Horváth 🇭🇺 Hungary
2 Sorting a Three-Valued Sequence Gyula Horváth 🇭🇺 Hungary
Longest Prefix Gyula Horváth 🇭🇺 Hungary
Magic Squares Gyula Horváth 🇭🇺 Hungary
1995 1 Packing Rectangles Peter Kluit 🇳🇱 the Netherlands
Shopping Offers Jacco Gnodde 🇳🇱 the Netherlands
Printing Cecile Crutzen 🇳🇱 the Netherlands
2 Letter Game Conny Veugen 🇳🇱 the Netherlands
Street Race Pim van den Broek 🇳🇱 the Netherlands
Wires and Switches Tom Verhoeff 🇳🇱 the Netherlands
1994 1 The Triangle unknown unknown
The Castle unknown unknown
The Primes unknown unknown
2 The Clocks unknown unknown
The Buses unknown unknown
The Circle unknown unknown
1993 1 Necklace unknown unknown
Company unknown unknown
Rectangles unknown unknown
2 Canadian Airlines unknown unknown
1992 1 Islands in the Sea unknown 🇬🇧 United Kingdom
2 Climbing a Mountain unknown 🇨🇳 China
1991 1 Square unknown unknown
2 S-Terms unknown unknown
1990 1 Schedule unknown unknown
2 Robots unknown unknown
1989 1 Boxes Wenhu Wu 🇨🇳 China

Comments

No comments yet.

Post a comment

You can refer to mike by using "@mike", and "mike" will be highlighted. If you want to type the character "@", please use "@@" instead.

You can enter "/kel" to use the emoticon "kel".