International Olympiad in Informatics (IOI) : 1989, Pravetz, Bulgaria
Year | Download |
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1989 Problem 1 | |
1989 Problem 2 | |
1989 Problem 3 | |
1989 Problem 4 | |
1989 Problem 5 | |
1989 Problem 6 |
International Olympiad in Informatics (IOI) : 1990, Minsk, Byelorussia
Year | Download |
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1990 Round 1 | |
1990 Round 2 |
International Olympiad in Informatics (IOI) : 1991, Athens, Greece
Year | Download |
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1991 Round 1 | |
1991 Round 2 |
International Olympiad in Informatics (IOI) : 1992, Bonn, Germany
Year | Download |
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1992 Round 1 | |
1992 Round 2 |
International Olympiad in Informatics (IOI) : 1993, Mendoza, Argentina
Year | Download |
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1993 Problem 1 | |
1993 Problem 2 | |
1993 Problem 3 | |
1993 Problem 4 |
International Olympiad in Informatics (IOI) : 1994, Haninge, Sweden
Year | Download |
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1994 Day 1 : The Triangle | |
1994 Day 1 : The Castle | |
1994 Day 1: The Primes | |
1994 Day 2: The Clocks | |
1994 Day 2: The Buses | |
1994 Day 2: The Circle | |
1994 Solutions |
International Olympiad in Informatics (IOI) : 1995, Eindhoven, The Netherlands
Year | Download |
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1995 Day 1 : Packing Rectangles | |
1995 Day 1 : Shopping Offers | |
1995 Day 1: Printing | |
1995 Day 2: Letter Game | |
1995 Day 2: Street Race | |
1995 Day 2: Wires and Switches | |
1995 Solution: Packing Rectangles | |
1995 Solution: Letter Game | |
1995 Solution: Street Race | |
1995 Solution: Wires and Switches |
International Olympiad in Informatics (IOI) : 1996, Veszprém, Hungary
Year | Download |
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1996 Day 1 : A Game | |
1996 Day 1 : Job Processing | |
1996 Day 1 : Network of Schools | |
1996 Day 2 : Sorting a Three-Valued Sequence | |
1996 Day 2 : Longest Prefix | |
1996 Day 2 : Magic Squares | |
1996 Solutions to all problems |
International Olympiad in Informatics (IOI) : 1997, Cape Town, South Africa
Year | Download |
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1997 Day 1 : Mars Explorer | |
1997 Day 1 : Game of Hex | |
1997 Day 1 : Toxic iShongololo | |
1997 Day 2 : Map Labelling | |
1997 Day 2 : Character Recognition | |
1997 Day 2 : Stacking Containers |
International Olympiad in Informatics (IOI) : 1998, Setúbal, Portugal
Year | Download |
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1998 Day 1 : Contact | |
1998 Day 1 : Starry Night | |
1998 Day 1 : Party Lamps | |
1998 Day 2 : Picture | |
1998 Day 2 : Camelot | |
1998 Day 2 : Polygon |
International Olympiad in Informatics (IOI) : 1999, Antalya-Belek, Turkey
Year | Download |
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1999 Day 1 : Little Shop of Flowers | |
1999 Day 1 : Hidden Codes | |
1999 Day 1 : Underground City | |
1999 Day 2 : Traffic Lights | |
1999 Day 2 : Flatten | |
1999 Day 2 : A Strip of Land |
International Olympiad in Informatics (IOI) : 2000, Beijing, China
Year | Download |
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2000 Day 1 : Palindrome | |
2000 Day 1 : Car Parking | |
2000 Day 1 : Median Strength | |
2000 Day 2 : Walls | |
2000 Day 2 : Post Office | |
2000 Day 2 : Building with Blocks | |
2000 Solutions to all problems |
International Olympiad in Informatics (IOI) : 2001, Tampere, Finland
Year | Download |
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2001 Dat 1 : Mobile Phones | |
2001 Dat 1 : Ioiwari Game | |
2001 Dat 1 : Twofive | |
2001 Dat 2 : Score | |
2001 Dat 2: Double Crypt | |
2001 Dat 2: Depot | |
2001 Solutions and handouts |
International Olympiad in Informatics (IOI) : 2002, Yong-In, Korean Republic
Year | Download |
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2002 Day 1 : The Troublesome Frog | |
2002 Day 1 : Utopia Divided | |
2002 Day 1 : XOR | |
2002 Day 2 : Batch Scheduling | |
2002 Day 2 : Bus Terminals | |
2002 Day 2 : Two Rods |
International Olympiad in Informatics (IOI) : 2003, Kenosha, Wisconsin, USA
Year | Download |
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2003 Day 1 : Trail Maintenance | |
2003 Day 1 : Comparing Code | |
2003 Day 1 : Reverse | |
2003 Day 2 : Guess Which Cow | |
2003 Day 2 : Amazing Robots | |
2003 Day 2 : Seeing the Boundary |
International Olympiad in Informatics (IOI) : 2004, Athens, Greece
Year | Download |
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2004 Day 1 : Artemis | |
2004 Day 1 : Hermes | |
2004 Day 1 : Polygon | |
2004 Day 2 : Empodia | |
2004 Day 2 : Farmer | |
2004 Day 2 : Phidias |
International Olympiad in Informatics (IOI) : 2005, Nowy Sacz, Poland
Year | Download |
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2005 Day 1 : Garden | |
2005 Day 1 : Mean Sequence | |
2005 Day 1 : Mountain | |
2005 Day 2 : Birthday | |
2005 Day 2 : Rectangle Game | |
2005 Day 2 : Rivers | |
2005 Solutions and booklet |
International Olympiad in Informatics (IOI) : 2006, Mérida, Yucatán, Mexico
Year | Download |
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2006 Day 1 : Forbidden Subgraph | |
2006 Day 1 : Pyramid | |
2006 Day 1 : Deciphering the Mayan Writing | |
2006 Day 2 : A Black Box Game | |
2006 Day 2 : The Valley of Mexico | |
2006 Day 2 : Joining Points |
International Olympiad in Informatics (IOI) : 2007, Zagreb, Croatia
Year | Download |
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2007 Day 1 : Aliens | |
2007 Day 1 : Flood | |
2007 Day 1 : Sails | |
2007 Day 2 : Miners | |
2007 Day 2 : Pairs | |
2007 Day 2 : Trainings | |
2007 Solutions to all problems |
International Olympiad in Informatics (IOI) : 2008, Cairo, Egypt
Year | Download |
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2008 Day 1 : Type Printer | |
2008 Day 1 : Islands | |
2008 Day 1 : Fish | |
2008 Day 2 : Linear Garden | |
2008 Day 2 : Pyramid Base | |
2008 Day 2 : Teleporters | |
2008 Solutions and booklet |
International Olympiad in Informatics (IOI) : 2009, Plovdiv, Bulgaria
Year | Download |
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2009 Day 1 : Archery | |
2009 Day 1 : Hiring | |
2009 Day 1 : Poi | |
2009 Day 1 : Raisins | |
2009 Day 2 : Garage | |
2009 Day 2 : Mecho | |
2009 Day 2 : Regions | |
2009 Day 2 : Salesman | |
2009 Solutions and booklet |
International Olympiad in Informatics (IOI) : 2010, Waterloo, Canada
Year | Download |
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2010 Day 1 : Cluedo | |
2010 Day 1 : Hotter Colder | |
2010 Day 1 : Quality of Living | |
2010 Day 1 : Language | |
2010 Day 2 : Memory | |
2010 Day 2 : Traffic | |
2010 Day 2 : Maze | |
2010 Day 2 : Save It | |
2010 Solutions to all problems |
International Olympiad in Informatics (IOI) : 2011, Pattaya, Thailand
Year | Download |
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2011 Day 1 : Tropical Garden | |
2011 Day 1 : Race | |
2011 Day 1 : Ricehub | |
2011 Day 2 : Crocodile | |
2011 Day 2 : Elephants | |
2011 Day 2 : Parrots |
International Olympiad in Informatics (IOI) : 2012, Sirmione – Montichiari, Italy
Year | Download |
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2012 Day 1 : Pebbling odometer | |
2012 Day 1 : Parachute rings | |
2012 Day 1 : Crayfish scrivener | |
2012 Day 2 : Ideal city | |
2012 Day 2 : Last supper | |
2012 Day 2 : Jousting tournament | |
2012 Solutions to all problems | |
2012 Practice problems |
International Olympiad in Informatics (IOI) : 2013, Brisbane, Australia
Year | Download |
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2013 Day 1 : Dreaming | |
2013 Day 1 : Art Class | |
2013 Day 1 : Wombats | |
2013 Day 2 : Cave | |
2013 Day 2 : Robots | |
2013 Day 2 : Game | |
2013 Practice problems |
International Olympiad in Informatics (IOI) : 2014, Taipei, Taiwan
Year | Download |
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2014 Day 1 : Rail | |
2014 Day 1 : Wall | |
2014 Day 1 : Game | |
2014 Day 2 : Gondola | |
2014 Day 2 : Friend | |
2014 Day 2 : Holiday |
International Olympiad in Informatics (IOI) : 2015, Almaty, Kazakhstan
Year | Download |
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2015 Day 1 : Scales | |
2015 Day 1 : Teams | |
2015 Day 1 : Boxes | |
2015 Day 2 : Towns | |
2015 Day 2 : Sorting | |
2015 Day 2 : Horses |
International Olympiad in Informatics (IOI) : 2016, Kazan, Russian Federation
Year | Download |
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2016 Day 1 : Detecting Molecules | |
2016 Day 1 : Roller Coaster Railroad | |
2016 Day 1 : Shortcut | |
2016 Day 2 : Paint By Numbers | |
2016 Day 2 : Unscrambling a Messy Bug | |
2016 Day 2 : Aliens | |
2016 Solutions to all problems |
International Olympiad in Informatics (IOI) : 2017, Tehran, Iran
Year | Download |
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2017 Day 1 : Nowruz | |
2017 Day 1 : Wiring | |
2017 Day 1 : Toy Train | |
2017 Day 2 : The Big Prize | |
2017 Day 2 : Simurgh | |
2017 Day 2 : Ancient Books |
International Olympiad in Informatics (IOI) : 2018, Tsukuba, Japan
Year | Download |
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2018 Day 1 : Combo | |
2018 Day 1 : Seats | |
2018 Day 1 : Werewolf | |
2018 Day 2 : Mechanical Doll | |
2018 Day 2 : Highway Tolls | |
2018 Day 2 : Meetings |
International Olympiad in Informatics (IOI) : 2019, Baku, Azerbaijan
Year | Download |
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2019 Day 1 : Arranging Shoes | |
2019 Day 1 : Split the Attractions | |
2019 Day 1 : Rectangles | |
2019 Day 2 : Broken Line | |
2019 Day 2 : Vision Program | |
2019 Day 2 : Sky Walking |
International Olympiad in Informatics (IOI) : 2020, Singapore, online
Year | Download |
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2020 Day 1 : Plants | |
2020 Day 1 : Super trees | |
2020 Day 1 : Tickets | |
2020 Day 2 : Biscuits | |
2020 Day 2 : Mushrooms | |
2020 Day 2 : Stations |
International Olympiad in Informatics (IOI) : 2021, Singapore, online Held
Year | Download |
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2021 Day 1 : Candies | |
2021 Day 1 : Keys | |
2021 Day 1 : Parks | |
2021 Day 2 : DNA | |
2021 Day 2 : Dungeons | |
2021 Day 2 : Registers |
International Olympiad in Informatics (IOI) : 2022, Indonesia
Year | Download |
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2022 Day 1 : | |
2022 Day 1 : | |
2022 Day 1 : | |
2022 Day 2 : | |
2022 Day 2 : | |
2022 Day 2 : |