1996

CCC 1996

#문제난이도예시 풀이
1Deficient, Perfect, and AbundantBronze IIIC++
2Divisibility by 11Bronze IIPython
3Pattern GeneratorSilver IIIC++
4When in Rome…Silver I
5Maximum DistanceBronze IIC++

CCO 1996

#문제난이도예시 풀이
1Train SwappingBronze IC++
2SafebreakerUnrated
3QuadtreesGold III
4Where’s Waldorf?Silver III
5All Roads Lead Where?Gold IV
6HoppersGold III

1997

CCC 1997

#문제난이도예시 풀이
1SentencesBronze IC++
2Nasty NumbersSilver V
3Double Knockout CompetitionSilver III
4Dynamic Dictionary CodingSilver IV
5Long DivisionBronze IIIPython

1998

CCC 1998

#문제난이도예시 풀이
1CensorBronze IIC++
2Cross-Number PuzzleBronze I
3
4LotteryGold III
5Mountain PassageGold III

1999

CCC 1999

#문제난이도예시 풀이
1Card GameSilver IV
2Year 2000Unrated
3Divided FractalsUnrated
4A Knightly PursuitGold III
5Letter ArithmeticGold III

CCO 1999

#문제난이도예시 풀이
1You Can’t Get There From HereSilver IV
2Common WordsGold IV
3Manelzuma’s RevengeUnrated
4Maple RoundupPlatinum V
5Sum Of ProductsUnrated
6

2000

CCC 2000 Junior Division

#문제난이도예시 풀이
1CalendarBronze I
29966Bronze IC++
3Slot MachinesBronze IC++
4Babbling BrooksUnrated
5SurfingGold III

CCC 2000 Senior Division

#문제난이도예시 풀이
1Slot MachinesBronze IC++
2Babbling BrooksUnrated
3SurfingGold III
4GolfSilver I
5Sheep and CoyotesPlatinum IV

CCO 2000

#문제난이도예시 풀이
1SubsetsSilver I
2Ransom NoteUnrated
3The Game Of 31Gold II
4Packet RoutingGold V
5Millikan’s Oil Droplet ExperimentGold III
6Extension CordsUnrated

2001

CCC 2001 Junior Division

#문제난이도예시 풀이
1Dressing UpBronze IIC++
2Mod InverseBronze IIC++
3Keeping ScoreSilver IV
4SpiralsUnrated
5Strategic BombingUnrated

CCC 2001 Senior Division

#문제난이도예시 풀이
1Keeping ScoreSilver IV
2SpiralsUnrated
3Strategic BombingUnrated
4CookiesPlatinum II
5Post’s Correspondence ProblemGold III

CCO 2001

#문제난이도예시 풀이
1The Monkey DanceSilver I
2Coke or Chocolate MilkPlatinum II
3PartitionsUnrated
5Fast FoodUnrated
6Election NightPlatinum III

2002

CCC 2002 Junior Division

#문제난이도예시 풀이
10123456789Unrated
2AmeriCanadianBronze IIC++
3The Students’ Council BreakfastBronze IIC++
4Fraction ActionSilver V
5BlindfoldPlatinum V

CCC 2002 Senior Division

#문제난이도예시 풀이
1The Students’ Council BreakfastBronze IIC++
2Fraction ActionSilver V
3BlindfoldPlatinum V
4Bridge CrossingGold IV
5

CCO 2002

#문제난이도예시 풀이
1SpamUnrated
2Game Show MathUnrated
3
4DuathlonGold I
5Connect The CampusGold IV
6Pit Stop StrategyUnrated

2003

CCC 2003 Junior Division

#문제난이도예시 풀이
1TridentBronze IIIC++
2Picture PerfectBronze IIC++
3Snakes and LaddersBronze I
4PoetrySilver IV
5Floor PlanSilver IC++

CCC 2003 Senior Division

#문제난이도예시 풀이
1Snakes and LaddersBronze I
2PoetrySilver IV
3Floor PlanSilver IC++
4SubstringsGold I
5Trucking TroublesGold IV

CCO 2003

#문제난이도예시 풀이
1BFedGold III
2Concentration CardsUnrated
3CubeUnrated
4Constrained PermutationsSilver II
5
6Cheap GasPlatinum IV

2004

CCC 2004 Junior Division

#문제난이도예시 풀이
1SquaresBronze IVC++
2Terms of OfficeBronze IVC++
3Smile with SimilesBronze IIIC++
4Simple EncryptionBronze IIC++
5FractalsGold II

CCC 2004 Senior Division

#문제난이도예시 풀이
1FixBronze IIC++
2TopYodellerSilver V
3SpreadsheetGold V
4Space TurtleGold I
5Super PlumberGold III

CCO 2004

#문제난이도예시 풀이
1ScribbleSilver III
2Hockey ScoresPlatinum V
3S and KGold IV
4Return of Space TurtleUnrated
5JengaismUnrated
6OrkoPlatinum V

2005

CCC 2005 Junior Division

#문제난이도예시 풀이
1The Cell SellUnrated
2RSA NumbersSilver V
3Returning HomeSilver V
4Cross SpiralGold V
5BananasGold IV

CCC 2005 Senior Division

#문제난이도예시 풀이
1Snow CallsBronze IIC++
2Mouse MoveBronze IIC++
3Quantum OperationsSilver III
4Pyramid Message SchemeGold V
5Pinball RankingPlatinum V

CCO 2005

#문제난이도예시 풀이
1Number MatrixGold V
2The Great Spamway StrikeGold II
3
4소수 부분 수열Silver IIC++
5SegmentsGold III
6Move that Mouse AGAINUnrated

2006

CCC 2006 Junior Division

#문제난이도예시 풀이
1The New CCC (Canadian Calorie Counting)Unrated
2Roll the DiceBronze IIIC++
3Cell-Phone MessagingBronze I
4It’s tough being a teen!Silver II
5CCC OthelloSilver II

CCC 2006 Senior Division

#문제난이도예시 풀이
1MaternityBronze IIC++
2Attack of the CipherTextsSilver IV
3Tin Can TelephoneGold II
4GroupsSilver II
5Origin of LifeGold I

CCO 2006

#문제난이도예시 풀이
1CN TowerSilver III
2R & JGold II
3
4CN Tower 2Unrated
5DominoUnrated
6Paint by NumbersUnrated

2007

CCC 2007 Junior Division

#문제난이도예시 풀이
1Who is in the middle?Bronze VC++
2I Speak TXTMSGBronze IVC++
3Deal or No Deal CalculatorBronze I
4Anagram CheckerBronze IIC++
5Keep on Truckin’Silver II

CCC 2007 Senior Division

#문제난이도예시 풀이
1Federal Voting AgeBronze IIIC++
2BoxesSilver VC++
3FriendsSilver II
4WaterparkGold V
5Bowling for NumbersGold III

CCO 2007

#문제난이도예시 풀이
1CowsPlatinum V
2SnowflakesSilver II
3Bowling for Numbers++Platinum V
4GerrymanderingUnrated
5Making ChangeBronze I
6Road ConstructionPlatinum III

2008

CCC 2008 Junior Division

#문제난이도예시 풀이
1Body Mass IndexBronze IVC++
2Do the ShuffleSilver IV
3GPS Text EntrySilver IV
4From Prefix to PostfixSilver I
5NukitGold II

CCC 2008 Senior Division

#문제난이도예시 풀이
1It’s Cold Here!Bronze IIIC++
2Pennies in the RingSilver III
3MazeGold V
4Twenty-fourGold III
5NukitGold II

CCO 2008

#문제난이도예시 풀이
1Moving DayUnrated
2King & WeberGold II
3MobilePlatinum IV
4HerdingGold III
5CandyPlatinum IV
6LandingRuby III

2009

CCC 2009 Junior Division

#문제난이도예시 풀이
1ISBNBronze IVC++
2Old Fishin’ HoleBronze IIC++
3Good timesBronze IIIC++
4SignageSilver II
5Degrees of SeparationGold IV

CCC 2009 Senior Division

#문제난이도예시 풀이
1Cool NumbersBronze IIC++
2The Lights Going On and OffSilver I
3Degrees of SeparationGold IV
4Shop and ShipGold I
5WirelessGold I

CCO 2009

#문제난이도예시 풀이
1Invasion of the BoxesUnrated
2DinnerPlatinum III
3Beware the GeoducksUnrated
4
5ParadeUnrated
6A Weighty ProblemPlatinum V

2010

CCC 2010 Junior Division

#문제난이도예시 풀이
1What is n, Daddy?Bronze IIIC++
2Up and DownBronze IIC++
3PunchyBronze I
4Global WarmingSilver III
5Knight HopSilver III

CCC 2010 Senior Division

#문제난이도예시 풀이
1Computer PurchaseBronze IC++
2Huffman EncodingSilver IIIC++
3FirehoseGold III
4Animal FarmGold II
5Nutrient TreePlatinum IV

CCO 2010

#문제난이도예시 풀이
1Barking Dogs!Gold II
2Tree PruningPlatinum III
3WowowPlatinum V
4Computer Purchase ReturnGold II
5Space MinerGold III
6ShuffleSilver III

2011

CCC 2011 Junior Division

#문제난이도예시 풀이
1Which Alien?Bronze IVC++
2Who Has Seen The WindBronze IIIC++
3Sumac SequencesBronze IIIC++
4Boring BusinessSilver IV
5UnfriendSilver III

CCC 2011 Senior Division

#문제난이도예시 풀이
1English or French?Bronze IIC++
2Multiple ChoiceBronze IVC++
3Alice Through the Looking GlassSilver I
4Blood DistributionPlatinum IV
5SwitchGold III

CCO 2011

#문제난이도예시 풀이
1PutnamSilver I
2Vampire TunnelsGold I
3Spies Like UsGold I
4ReorganizationGold II
5Fixing DisksUnrated
6Biggest (Zero Carbon) FootprintPlatinum IV

2012

CCC 2012 Junior Division

#문제난이도예시 풀이
1Speed fines are not fine!Bronze IVC++
2Sounds fishy!Bronze IVC++
3Icon ScalingBronze IIC++
4Big Bang SecretsBronze IIC++
5A Coin GameGold IV

CCC 2012 Senior Division

#문제난이도예시 풀이
1Don’t pass me the ball!Bronze IIIC++
2Aromatic NumbersBronze IIC++
3Absolutely AcidicSilver IV
4A Coin GameGold IV
5Mouse JourneySilver I

CCO 2012

#문제난이도예시 풀이
1Choose Your Own ArithmeticGold V
2The Hungary GamesPlatinum V
3Mhocskian LanguagesPlatinum IV
4Editor DistanceGold III
5Sample SizeSilver III
6The Winds Of WarUnrated

2013

CCC 2013 Junior Division

#문제난이도예시 풀이
1Next in lineBronze IVC++
2Rotating lettersBronze IIIC++
3From 1987 to 2013Bronze IIC++
4Time on taskSilver VC++
5Chances of winningSilver II

CCC 2013 Senior Division

#문제난이도예시 풀이
1From 1987 to 2013Bronze IIC++
2Bridge transportSilver VC++
3Chances of winningSilver II
4Who is taller?Gold V
5Factor SolitaireGold II

CCO 2013

#문제난이도예시 풀이
1팰린드롬 진법Gold I
2TourneyPlatinum V
3LHCPlatinum IV
4A Romantic Movie OutingDiamond V
5Transforming CometsPlatinum II
6RepetitivityDiamond III

2014

CCC 2014 Junior Division

#문제난이도예시 풀이
1삼각형 외우기Bronze IVC
2개표Bronze IIIC++
3주사위 게임Bronze IIIC++
4Party InvitationBronze IIC++
5Assigning PartnersBronze IC++

CCC 2014 Senior Division

#문제난이도예시 풀이
1Party InvitationBronze IIC++
2Assigning PartnersBronze IC++
3The Geneva ConfectionSilver III
4Tinted Glass WindowGold I
5Lazy FoxPlatinum III

CCO 2014

#문제난이도예시 풀이
1TroyanglesGold IV
2King GruffPlatinum IV
3WerewolfPlatinum III
4Where’s That Fuel?Silver II
5Early Exam EvacuationPlatinum II
6GatesUnrated

2015

CCC 2015 Junior Division

#문제난이도예시 풀이
1특별한 날Bronze IVC++
2행복한지 슬픈지Bronze IC++
3RövarspråketSilver V
4Wait TimeSilver III
5π-dayGold IV

CCC 2015 Senior Division

#문제난이도예시 풀이
1제로Silver IVC
2저지Silver IV
3공항Gold IIC++
4제국Gold II
5허니버터칩Platinum III

CCO 2015

#문제난이도예시 풀이
1Hungry FoxGold I
2ArtskjidGold I
3Solar FlightPlatinum I
4Cars on IceGold II
5TimpanistGold I
6EggscavationPlatinum II

2016

CCC 2016 Junior Division

#문제난이도예시 풀이
1Tournament SelectionBronze IVC++
2Magic SquaresBronze IIIC++
3Hidden PalindromeBronze IC++
4Arrival TimeBronze IIC++
5Tandem BicycleSilver IV

CCC 2016 Senior Division

#문제난이도예시 풀이
1RagamanBronze IIC++
2Tandem BicycleSilver IV
3Phonomenal ReviewsPlatinum IV
4Combining RiceballsPlatinum V
5Circle of LifePlatinum II

CCO 2016 Qualifying Round

#문제난이도예시 풀이
1Stupendous BowtiesGold III
2Through A Maze DarklyUnrated
3Data StructurePlatinum IV

CCO 2016

#문제난이도예시 풀이
1Field TripUnrated
2Splitting HaresUnrated
3LegendsUnrated
4O CanadaGold III
5Zombie ApocalypseGold I
6PiratesDiamond I

2017

CCC 2017 Junior Division

#문제난이도예시 풀이
1사분면 고르기Bronze VC C++
2Shifty SumBronze IIIC++
3Exactly ElectricalBronze IIIC++
4Favourite TimesSilver III
5Nailed It!Gold V

CCC 2017 Senior Division

#문제난이도예시 풀이
1Sum GameBronze IIC++
2High Tide, Low TideSilver VC++
3Nailed It!Gold V
4Minimum Cost FlowPlatinum III
5RMTDiamond IV

CCO 2017

#문제난이도예시 풀이
1Vera and Trail BuildingGold II
2Cartesian ConquestDiamond IV
3Vera and Modern ArtDiamond III
4Rainfall StoragePlatinum I
5Professional NetworkPlatinum II
6Shifty GridDiamond IV

2018

CCC 2018 Junior Division

#문제난이도예시 풀이
1Telemarketer or not?Bronze IVC++
2Occupy parkingBronze IIIC++
3Are we there yet?Bronze IIC++
4SunflowersBronze IC++
5Choose your own pathSilver II

CCC 2018 Senior Division

#문제난이도예시 풀이
1Voronoi VillagesSilver V
2SunflowersBronze IC++
3RoboThievesGold I
4Balanced TreesPlatinum II
5Maximum Strategic SavingsPlatinum I

CCO 2018

#문제난이도예시 풀이
1Geese vs. HawksUnrated
2Wrong AnswerPlatinum II
3Fun PalaceRuby V
4
5Boring LecturesDiamond IV
6Flop SortingDiamond I

2019

CCC 2019 Junior Division

#문제난이도예시 풀이
1Winning ScoreBronze IVC
2Time to DecompressBronze IVC++
3Cold CompressBronze IIC++
4FlipperBronze IIC++
5Rule of ThreeUnrated

CCC 2019 Senior Division

#문제난이도예시 풀이
1FlipperBronze IIC++
2Pretty Average PrimesSilver IC++
3Arithmetic SquarePlatinum I
4TourismDiamond IV
5Triangle: The Data StructureDiamond V

CCO 2019

#문제난이도예시 풀이
1Human ErrorPlatinum IV
2SirtetPlatinum I
3Winter DrivingDiamond III
4Card ScoringDiamond II
5Marshmallow MoleculesDiamond IV
6Bad CodesPlatinum II

2020

CCC 2020 Junior Division

#문제난이도예시 풀이
1Dog TreatsBronze IVC++
2EpidemiologyBronze IC++
3ArtBronze IIC++
4Cyclic ShiftsSilver IV
5Escape RoomGold II

CCC 2020 Senior Division

#문제난이도예시 풀이
1Surmising a Sprinter’s SpeedSilver IV
2Escape RoomGold II
3Searching for StringsPlatinum III
4Swapping SeatsPlatinum V
5Josh’s Double Bacon DeluxePlatinum III

CCO 2020

#문제난이도예시 풀이
1A Game with GrundyGold I
2Exercise DeadlinesPlatinum II
3Mountains and ValleysRuby V
4Travelling SalespersonDiamond IV
5Interval CollectionDiamond IV
6Shopping PlansDiamond I

2021

CCC 2021 Junior Division

#문제난이도예시 풀이
1Boiling WaterBronze IVC++
2Silent AuctionBronze IIC++
3Secret InstructionsBronze IIIC++
4Arranging BooksGold II
5Modern ArtSilver II

CCC 2021 Senior Division

#문제난이도예시 풀이
1Crazy FencingBronze IIC++
2Modern ArtSilver II
3Lunch ConcertGold III
4Daily CommutePlatinum V
5Math HomeworkPlatinum III

CCO 2021

#문제난이도예시 풀이
1Swap Swap SortDiamond V
2Weird Numeral SystemDiamond V
3Through Another Maze DarklyDiamond III
4Travelling MerchantDiamond II
5Bread First SearchDiamond V
6Loop TownRuby II

2022

CCC 2022 Junior Division

#문제난이도예시 풀이
1Cupcake PartyBronze VC++
2Fergusonball RatingsBronze IIIC++
3Harp TuningSilver V
4Good GroupsSilver IV
5Square PoolGold III

CCC 2022 Senior Division

#문제난이도예시 풀이
1Good Fours and Good FivesBronze IC++
2Good GroupsSilver IV
3Good SamplesGold II
4Good TripletsPlatinum III
5Good InfluencersPlatinum I

CCO 2022

#문제난이도예시 풀이
1Alternating HeightsPlatinum V
2Rainy MarketsDiamond V
3Double AttendanceDiamond III
4Bi-ing Lottery TreeketsDiamond IV
5Phone PlansDiamond II
6Good GameDiamond II

2023

CCC 2023 Junior Division

#문제난이도예시 풀이
1Deliv-e-droidBronze IVC++
2Chili PeppersBronze IVC++
3Special EventBronze IIIC++
4TrianglaneSilver IV
5CCC Word HuntGold V

CCC 2023 Senior Division

#문제난이도예시 풀이
1TrianglaneSilver IV
2Symmetric MountainsGold V
3Palindromic PosterPlatinum V
4Minimum Cost RoadsPlatinum II
5The FilterUnrated

CCO 2023

#문제난이도예시 풀이
1BinariaPlatinum IV
2Real MountainsDiamond IV
3Line TownDiamond II
4Flip it and Stick itDiamond V
5Travelling TraderRuby V
6Triangle CollectionDiamond IV

2024

CCC 2024 Junior Division

#문제난이도예시 풀이
1Conveyor Belt SushiBronze VC++
2Dusa And The YobisBronze IIIC++
3Bronze CountSilver IV
4Troublesome KeysSilver II
5Harvest WaterlooSilver II

CCC 2024 Senior Division

#문제난이도예시 풀이
1Hat CircleBronze IIIC++
2Heavy-Light CompositionBronze IIC++
3SwipeGold II
4Painting RoadsUnrated
5Chocolate Bar PartitionDiamond IV

CCO 2024

#문제난이도예시 풀이
1Treasure HuntPlatinum IV
2Pizza PartyPlatinum III
3Summer DrivingUnrated
4InfiltrationDiamond V
5Heavy Light DecompositionDiamond IV
6Telephone PlansUnrated

2025

CCC 2025 Junior Division

#문제난이도예시 풀이
1Roller Coaster RideBronze VC++
2Donut ShopBronze IVC++
3Product CodesSilver IV
4Sunny DaysGold V
5Connecting TerritoriesSilver I

CCC 2025 Senior Division

#문제난이도예시 풀이
1Positioning Peter’s PaintingsBronze IIIC++
2Cryptogram Cracking ClubSilver III
3Pretty PensPlatinum IV
4Floor is LavaGold III
5To-Do ListDiamond V

CCO 2025

#문제난이도예시 풀이
1Asteroid MiningPlatinum V
2Tree DecorationsPlatinum I
3Balanced IntegerRuby V
4Restaurant Recommendation RescuePlatinum I
5Patrol RobotDiamond III
6Shopping DealsUnrated