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Problemsetters' Credits
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ProblemTitleProblemsetterTests-SetterSpecial Thanks
219Department of Redundancy DepartmentRuben Spaans
254Towers of HanoiMiguel Revilla
364Constitutional ComputingBrian Fry
Krzysztof Stencel
Ruben Spaans
479Irrigation Flow RatesJosh Bao
480Tempus FugitBrian Fry
513Window FramesBrian Fry
Krzysztof Stencel
Rujia Liu
522Schedule ProblemJosh Bao
Krzysztof Stencel
528The Problem of Train SetoutJosh Bao
Krzysztof Stencel
541Error CorrectionMiguel Filgueiras
582Randomly Wired Neural NetsJosh Bao
597Last Name First, PleaseJosh Bao
607Scheduling LecturesHoward Cheng
649You Who?Krzysztof Stencel
Josh Bao
701The Archeologists' DilemmaMiguel Revilla
702The Vindictive CoachMiguel Revilla
703Triple Ties: The Organizer's NightmareMiguel Revilla
704Colour HashPablo Puente
717Calculating Expressions on Turing MachineJosh Bao
761Transform those stringsJosh Bao
770PuncherMiguel Filgueiras
772Divide et unitaKrzysztof Stencel
773The JustaPox LanguageJosh Bao
774Driving in City SquaresJosh Bao
775Hamiltonian CycleMahbub Mushed Suman
Miguel Revilla
778Recording a tapeBrian Fry
779Wily Hacker's ProblemJosh Bao
780Sentence GeneratorJosh Bao
781OptimisationJosh Bao
Krzysztof Stencel
788One Day ToursJosh Bao
789IndexingBrian Fry
791Term ReductionsJosh Bao
792Program ModulesBrian Fry
824Coast TrackerAmilcar Cardoso
825Walking on the Safe SideCristina Ribeiro
826Symbolic Numerical SystemDelfim Marado Torres
827Buddy Memory AllocatorFernando Silva
828Deciphering MessagesIsabel Nunes
829Almost Balanced TreesMiguel Filgueiras
830SharkPedro Guerreiro
831Document ValidatorPedro Henriques
832Financial RiskJosé Paulo Leal
833Water FallsA. Augusto Sousa
834Continued FractionsFernando Silva
835Square of PrimesGabriel David
836Largest SubmatrixFernando Silva
837Light and TransparenciesA. Augusto Sousa
838Worm WorldFernando Silva
839Not so MobileJosé Paulo Leal
840Deadlock DetectionFernando Silva
841SnakeFernando Silva
842Crossword PuzzlesGordon V. Cormack
Pedro Vasconcelos
843Crypt KickerGordon V. Cormack
844PousseDavid Mason
Ryerson Polytech
845Gas Station NumbersGordon V. Cormack
846StepsPiotr Rudnicki
848FmtGordon V. Cormack
850Crypt Kicker IIGordon V. Cormack
851MazeGordon V. Cormack
852Deciding victory in GoJoao Neto
853DVD SubtitlesPedro Guerreiro
854Worse CodeJoachim Wulff (Little Joey)
Ruben Spaans
855Lunch in Grid CityFernando Silva
856The Vigenère CipherAntonio Ferreira
857QuantiserAmilcar Cardoso
858Berry PickingCristina Ribeiro
859Chinese CheckersPedro Henriques
860Entropy Text AnalyzerDelfim Marado Torres
861Little BishopsRezaul Alam Chowdhury
867Storing Images in a SequenceJosh Bao
871Counting Cells in a BlobFernando Silva
872OrderingGabriel David
875MonopolyJosh Bao
876Balanced ExpressionsJosh Bao
881Points, Polygons and ContainersA. Augusto Sousa
883Overlapping RectanglesA. Augusto Sousa
889IslandsJoachim Wulff (Little Joey)
Ruben Spaans
890Maze (II)Joachim Wulff (Little Joey)
Ruben Spaans
894Juggling TramsJoachim Wulff (Little Joey)
Ruben Spaans
900Brick Wall PatternsFernando Silva
901From Databases to XMLGabriel David
Josh Bao
902Password SearchRicardo Lopes
903Spiral of NumbersJosé Paulo Leal
904Overlapping Air Traffic Control ZonesFernando Silva
905Tacos PanchitaAmilcar Cardoso
906Rational NeighborDelfim Marado Torres
907Winterim Backpacking TripFernando Silva
908Re-connecting Computer SitesJoao Marques
909The BitPack Data Compression ProblemJose Carlos Ramallo
910TV gameGabriel David
911Multinomial CoefficientsPedro Guerreiro
912Live From MarsSimao Sousa
913Joana and the Odd NumbersFernando Silva
914Jumping ChampionPedro Ribeiro
915Stack of CylindersA. Augusto Sousa
916Dividing LandPedro Ribeiro
917Euro 2004Pedro Ribeiro
918ASCII MandelbrotPedro Ribeiro
919Cutting PolyominoesAna Paula Tomas
920Sunny MountainsSimao Melo de Sousa
921A Word Puzzle in the Sunny MountainsPedro Henriques
922Rectangle by the OceanPedro Guerreiro
923One Against ManyNuno Preguica
924Spreading The NewsMargarida Mamede
925No more prerequisites, please!Isabel Nunes
926Walking Around WiselyFernando Silva
927Integer Sequences from Addition of TermsDelfim Marado Torres
928Eternal TruthsAna Paula Maldonado
930Polynomial RootsJosh Bao
Krzysztof Stencel
932Checking the N-Queens ProblemBrian Fry
933Water FlowAntonio Ferreira
Brian Fry
934Overlapping AreasBrian Fry
935Smart StrategyJosh Bao
Krzysztof Stencel
936Mars for SaleJosh Bao
Krzysztof Stencel
937Kriss Kross PuzzleBrian Fry
938GilixBrian Fry
940Autobiographical NumbersKrzysztof Stencel
942Cyclic NumbersBrian Fry
943Number Format TranslatorBrian Fry
944Happy NumbersRoger Isanta
945Loading a Cargo ShipAntonio Ferreira
963Spelling CorrectorBrian Fry
965Police Road BlocksBrian Fry
966Lost InheritancesBrian Fry
Josh Bao
Krzysztof Stencel
967CircularJane Alam Jan
Joachim Wulff (Little Joey)
968ConstellationsJosh Bao
971TowersBrian Fry
974Kaprekar NumbersJane Alam Jan
Joachim Wulff (Little Joey)
979The Abominable TrianglemanAmilcar Cardoso
Francisco Pereira
980X-ExpressPedro Henriques
981Systematic Cyclic Redundancy Check CodesManuela Pereira
982CubeJose Oliveira
983Localized Summing for BlurringPaul Crocker
984Finding HaplotypesArlindo Oliveira
985Round and Round MazePedro Ribeiro
986How Many?Delfim Marado Torres
987MaternityPedro Guerreiro
994POPJosh Bao
998DendogramBrian Fry
999Book signaturesAntonio Ferreira
Roger Isanta
1139Stormy VersaillesJosh Bao
1140Charles Frédéric GrosJosh Bao
1141Count wireless LinksBrian Fry
1142Fighting the HeatBrian Fry
1143Fighting the Heat IIBrian Fry
1144Find the WallsBrian Fry
1145WarBrian Fry
1176A Benevolent JosephusJosh Bao
1177A General Recurrence RelationJosh Bao
1178The Juice ShopJosh Bao
1179Minimal Cover of Prime ImplicantsJosh Bao
1180Perfect NumbersEmanuel Tesar
1181Rubik's CubeJosh Bao
1182Sequence AlignmentJosh Bao
1183Turn All the Lights OffJosh Bao
1192Searching Sequence Database in Molecular BiologyJosh Bao
1266Magic SquareLeonardo Boshell
1270Paint the MapJosh Bao
1271BangleJosh Bao
1272Circle NetworkBrian Fry
1273WeiqiJosh Bao
1274Color RopesJosh Bao
1275The Revolution of the AntsJosh Bao
1276Game FanJosh Bao
1277How Many Days Are ThereJosh Bao
1278Princess and HeroJosh Bao
1306The K-LeagueRujia Liu
1336Fixing the Great WallRujia Liu
1370RoommateJosh Bao
1371PeriodJosh Bao
1372Log JumpingJosh Bao
1473Dome of CircusJosh Bao
1474Evacuation PlanJosh Bao
1520FlightsJosh Bao
1533Moving PegsJosh Bao
1536CoinsBrian Fry
1561Cycle GameJosh Bao
1618Weak KeyRujia Liu
1643Angle and SquaresRujia Liu
1656Exponential TowersRujia Liu
1663Purifying MachineBrian Fry
1688RoofRujia Liu
1689International EventRujia Liu
10008What's Cryptanalysis?Gordon V. Cormack
10009All Roads Lead Where?Gordon V. Cormack
10010Where's Waldorf?Gordon V. Cormack
10011Where Can You Hide?Gordon V. Cormack
10012How Big Is It?Gordon V. Cormack
10013Super long sumsAlex Gevak
10014Simple calculationsAlex Gevak
10020Minimal coverageAlex Gevak
10021Cube in the labirintAlex Gevak
10022Delta-waveAlex Gevak
10023Square rootAlex Gevak
10024Curling up the cubeAlex Gevak
10025The ? 1 ? 2 ? ... ? n = k problemAlex Gevak
10026Shoemaker's ProblemAlex Gevak
10027Language CardinalityGordon V. Cormack
10028Demerit PointsGordon V. Cormack
10029Edit Step LaddersGordon V. Cormack
10031SaskatchewanGordon V. Cormack
10032Tug of WarGordon V. Cormack
10033InterpreterGordon V. Cormack
10034FrecklesGordon V. Cormack
10035Primary ArithmeticGordon V. Cormack
10037BridgeGordon V. Cormack
10040Ouroboros SnakePablo Puente
10041Vito's FamilyPablo Puente
10047The MonocycleRezaul Alam Chowdhury
10048AudiophobiaRezaul Alam Chowdhury
10049Self-describing SequenceRezaul Alam Chowdhury
10050HartalsRezaul Alam Chowdhury
10051Tower of CubesRezaul Alam Chowdhury
10052Inviting PoliticiansRezaul Alam Chowdhury
10053EnvelopesRezaul Alam Chowdhury
10054The NecklaceRezaul Alam Chowdhury
10055Hashmat the Brave WarriorShahriar Manzoor
10056What is the Probability ?Shahriar Manzoor
10058Jimmi's RiddlesRezaul Alam Chowdhury
Suman Kumar Nath
Tarique Mesbaul Islam
10059The Hazard of CSE Department!Shahriar Manzoor
10060A hole to catch a manRezaul Alam Chowdhury
Suman Kumar Nath
Tarique Mesbaul Islam
10061How many zero's and how many digits ?Shahriar Manzoor
10062Tell me the frequencies!Shahriar Manzoor
10063Knuth's PermutationShahriar Manzoor
10065Useless Tile PackersRezaul Alam Chowdhury
Shahriar Manzoor
10066The Twin TowersRezaul Alam Chowdhury
Shahriar Manzoor
10067Playing with WheelsRezaul Alam Chowdhury
Shahriar Manzoor
10068The Treasure HuntRezaul Alam Chowdhury
Shahriar Manzoor
10069Distinct SubsequencesRezaul Alam Chowdhury
Shahriar Manzoor
10070Leap Year or Not Leap Year and ...Shahriar Manzoor
Rezaul Alam Chowdhury
10071Back to High School PhysicsShahriar Manzoor
Rezaul Alam Chowdhury
10072Bob Laptop Woolmer and Eddie Desktop BarlowRezaul Alam Chowdhury
Shahriar Manzoor
10073Constrained Exchange SortRezaul Alam Chowdhury
Shahriar Manzoor
10074Take the LandRezaul Alam Chowdhury
Shahriar Manzoor
10075AirlinesRezaul Alam Chowdhury
Shahriar Manzoor
10076The Bumpy RobotRezaul Alam Chowdhury
Shahriar Manzoor
10077The Stern-Brocot Number SystemRezaul Alam Chowdhury
Shahriar Manzoor
10078The Art GalleryRezaul Alam Chowdhury
Shahriar Manzoor
10079Pizza CuttingRezaul Alam Chowdhury
Shahriar Manzoor
10080Gopher IIPiotr Rudnicki
10081Tight WordsPiotr Rudnicki
10082WERTYUGordon V. Cormack
10083DivisionPiotr Rudnicki
10084Hotter ColderGordon V. Cormack
10085The most distant stateRezaul Alam Chowdhury
10086Test the RodsRezaul Alam Chowdhury
10087The Tajmahal of ++Y2kShahriar Manzoor
10088Trees on My IslandRezaul Alam Chowdhury
10089RepackagingRezaul Alam Chowdhury
10090MarblesRezaul Alam Chowdhury
10091The Valentine's DayShahriar Manzoor
10092The Problem with the Problem SetterRezaul Alam Chowdhury
10093An Easy Problem!Shahriar Manzoor
10094Place the GuardsShahriar Manzoor
10095Saving the PlanetShahriar Manzoor
10096The Richest Man of the UniverseShahriar Manzoor
10097The Color GameRezaul Alam Chowdhury
10098Generating FastShahriar Manzoor
10099The Tourist GuideRezaul Alam Chowdhury
10100Longest MatchTanbir Ahmed
10101Bangla NumbersTanbir Ahmed
10102The path in the colored fieldOlga Zaverach
10103Karpovich blocksSergey Karpovich
10104Euclid ProblemAlexander Denisjuk
10105Polynomial CoefficientsAlexander Denisjuk
10106ProductEugeny Voronin
10107What is the Median?Sadi Khan
10108The Mosquito Killer MosquitosSuman Mahbub
10109Solving Systems of Linear EquationsSuman Mahbub
10110Light, more lightSadi Khan
Suman Mahbub
10117Nice MilkRujia Liu
10118Free CandiesRujia Liu
10119Farewell, my friendRujia Liu
10120Gift?!Rujia Liu
10121Legendary PokemonRujia Liu
10122Mysterious MountainRujia Liu
10124SubwayGordon V. Cormack
10125SumsetsGordon V. Cormack
10126Zipf's LawGordon V. Cormack
10127OnesPiotr Rudnicki
10128QueueMarcin Wojciechowsky
10129Play on WordsMarcin Wojciechowsky
10130SuperSaleMarcin Wojciechowsky
10131Is Bigger Smarter?Charlie Rackoff
10132File FragmentationCharles L. A. Clarke
10133Audubon's Stormy Arctic TripMichael Van Biesbrouck
10134AutoFishCharles L. A. Clarke
10135Herding FroshGordon V. Cormack
10136Chocolate Chip CookiesGordon V. Cormack
10137The TripGordon V. Cormack
10138CDVIIGordon V. Cormack
10139FactovisorsGordon V. Cormack
10140Prime DistanceDavid Mason
10141Request for ProposalGordon V. Cormack
10142Australian VotingGordon V. Cormack
10149YahtzeeGordon V. Cormack
10150DoubletsGordon V. Cormack
10151SpaghettiGordon V. Cormack
10152ShellSortCharles L. A. Clarke
Gordon V. Cormack
10153New HorizonsCharles L. A. Clarke
Gordon V. Cormack
10154Weights and MeasuresGordon V. Cormack
10155Green Eggs and HamCharles L. A. Clarke
Michael Van Biesbrouck
10156Sala-ma-Sond, A Nice Little PondCharles L. A. Clarke
10157ExpressionsPetko Minkov
10158WarPetko Minkov
10159StarPetko Minkov
10160Servicing StationsPetko Minkov
10168Summation of Four PrimesShahriar Manzoor
10169Urn-ball Probabilities!Shahriar Manzoor
10170The Hotel with Infinite RoomsShahriar Manzoor
10171Meeting Prof. Miguel...Shahriar Manzoor
10172The Lonesome Cargo DistributorRezaul Alam Chowdhury
10173Smallest Bounding RectangleRezaul Alam Chowdhury
10174Couple-Bachelor-Spinster Numbers.Shahriar Manzoor
10175SphereShahriar Manzoor
10176Ocean Deep! - Make it shallow!!Shahriar Manzoor
10177(2/3/4)-D Sqr/Rects/Cubes/Boxes?Shahriar Manzoor
10178Count the Faces.Shahriar Manzoor
10179Irreducable Basic FractionsRezaul Alam Chowdhury
10180Rope Crisis in Ropeland!Rezaul Alam Chowdhury
1018115-Puzzle ProblemRezaul Alam Chowdhury
Shahriar Manzoor
Munirul Abedin
10201Adventures in Moving - Part IVOndřej Lhoták
10202Pairsumonious NumbersGordon V. Cormack
Piotr Rudnicki
10203Snow ClearingGordon V. Cormack
10204Adventures in Moving - Part VGordon V. Cormack
10205Stack 'em UpGordon V. Cormack
10207The Unreal TournamentShahriar Manzoor
10208Liar or Not Liar that is the...Shahriar Manzoor
10209Is This Integration ?Shahriar Manzoor
10210Romeo and Juliet !Shahriar Manzoor
10211Divisibility Testing! Wow!Shahriar Manzoor
10212The Last Non-zero Digit.Shahriar Manzoor
10213How Many Pieces of Land ?Shahriar Manzoor
10215The Largest/Smallest Box ...Shahriar Manzoor
10216The Optimal Coffee Shop!!Shahriar Manzoor
10217A Dinner with Schwarzenegger!!!Shahriar Manzoor
10218Let's Dance !!!Shahriar Manzoor
10219Find the ways !Ahmed Shamsul Arefin
10220I Love Big Numbers !Ahmed Shamsul Arefin
10221SatellitesAhmed Shamsul Arefin
10222Decode the Mad manAhmed Shamsul Arefin
10223How many nodes ?Ahmed Shamsul Arefin
10224Return of the JediGordon V. Cormack
10225Discrete LoggingGordon V. Cormack
10226Hardwood SpeciesGordon V. Cormack
10227ForestsGordon V. Cormack
10228A Star not a Tree?Gordon V. Cormack
10229Modular FibonacciArun Kishore
10230Savage GardenArun Kishore
10231Matrix WorldArun Kishore
10232Bit-wise SequenceArun Kishore
10233Dermuba TriangleArun Kishore
10234Frequent SubstringsArun Kishore
10235Simply EmirpArun Kishore
10236The Fibonacci PrimesShahriar Manzoor
10237BishopsRezaul Alam Chowdhury
10238Throw the DiceShahriar Manzoor
10239The Book-shelver's ProblemRezaul Alam Chowdhury
10240The n-Dimensional CitiesShahriar Manzoor
10241Semi-triangular and also SquareShahriar Manzoor
10243Fire! Fire!! Fire!!!Rezaul Alam Chowdhury
10244First Love !!!Shahriar Manzoor
10245The Closest Pair ProblemShahriar Manzoor
10246Asterix and ObelixRezaul Alam Chowdhury
10247Complete Tree LabelingShahriar Manzoor
10248The Integer All-time ChampMiguel Revilla
10249The Grand DinnerRezaul Alam Chowdhury
10250The Other Two TreesShahriar Manzoor
10251Min-Max CakeShahriar Manzoor
10253Series-Parallel NetworksRezaul Alam Chowdhury
10254The Priest MathematicianMiguel Revilla
10255The knight's TourShahriar Manzoor
10256The Great DivideRezaul Alam Chowdhury
10257Dick and JaneGordon V. Cormack
10258Contest ScoreboardMichael Van Biesbrouck
10259Hippity HopscotchGordon V. Cormack
10260SoundexGordon V. Cormack
10261Ferry LoadingGordon V. Cormack
10262SuffidromesDerek Kisman
10263RailwayOlga Zaverach
10264The Most Potent CornerSergey Karpovich
10265Toroidal Chess Queens' ProblemAlexander Denisjuk
10266SurveyingAlexander Denisjuk
10267Graphical EditorAlexander Denisjuk
10268498-bisAlexander Denisjuk
10269Adventure of Super MarioRujia Liu
10270Bigger Square Please...Rujia Liu
10271ChopsticksRujia Liu
10272DDR KingRujia Liu
10273Eat or Not to Eat?Rujia Liu
10274Fans and GemsRujia Liu
10275Guess the Number!Rujia Liu
10276Hanoi Tower Troubles Again!Rujia Liu
10277Boastin' Red SocksDerek Kisman
10278Fire StationGordon V. Cormack
10279Mine SweeperGordon V. Cormack
10280Old Wine Into New BottlesGordon V. Cormack
10281Average SpeedGordon V. Cormack
10282BabelfishOndřej Lhoták
10283The Kissing CirclesShahriar Manzoor
Eric Friedman
10285Longest Run on a SnowboardStefan Pochmann
10286Trouble with a PentagonShahriar Manzoor
10287Gifts in a Hexagonal BoxShahriar Manzoor
Eric Friedman
10289A Square and Equilateral TrianglesShahriar Manzoor
Eric Friedman
10290{Sum+=i++} to Reach NShahriar Manzoor
10294Arif in Dhaka (First Love Part 2)Shahriar Manzoor
10295Hay PointsGordon V. Cormack
10296Jogging TrailsGordon V. Cormack
10297BeavergnawGordon V. Cormack
10298Power StringsGordon V. Cormack
10299RelativesGordon V. Cormack
10300Ecological PremiumFrank Hutter
10302Summation of PolynomialsRodrigo Malta Schmidt
10303How Many Trees?Rodrigo Malta Schmidt
10304Optimal Binary Search TreeRodrigo Malta Schmidt
10305Ordering TasksRodrigo Malta Schmidt
10309Turn the Lights OffStefan Pochmann
10310Dog and GopherGordon V. Cormack
10311Goldbach and EulerMichael Van Biesbrouck
Shahriar Manzoor
10312Expression BracketingShahriar Manzoor
10313Pay the PriceShahriar Manzoor
10314Three PigsAndreev Konstantin
Nazarov Denis
10315Poker HandsGordon V. Cormack
10316Airline HubGordon V. Cormack
10317Equating EquationsGordon V. Cormack
10320Cow Trouble! Help Please!!Shahriar Manzoor
10322The Four in One StadiumShahriar Manzoor
10323Factorial! You Must be Kidding!!!Shahriar Manzoor
10325The LotteryMd. Kamruzzaman (KZaman)
10326The Polynomial EquationMd. Kamruzzaman (KZaman)
10327Flip SortMd. Kamruzzaman (KZaman)
10328Coin TossMd. Kamruzzaman (KZaman)
10329Combinatorial ExpressionMd. Kamruzzaman (KZaman)
10330Power TransmissionMd. Kamruzzaman (KZaman)
10331The Flyover ConstructionMd. Kamruzzaman (KZaman)
10332The Absent Minded ProfessorMd. Kamruzzaman (KZaman)
10333The Tower of ASCIIMd. Kamruzzaman (KZaman)
10334Ray Through GlassesMohammad Sajjad Hossain
10335Ray Inside a PolygonMd. Kamruzzaman (KZaman)
Mohammad Sajjad Hossain
10336Rank the LanguagesStefan Pochmann
10337Flight PlannerFrank Hutter
10341Solve ItMustaq Ahmed
10342Always LateMustaq Ahmed
10343Base64 DecodingMustaq Ahmed
1034423 out of 5Thomas Strohmann
10345Cricket/Football Goes DownShahriar Manzoor
10347MediansShahriar Manzoor
10350Liftless EMEMustaq Ahmed
10351Cutting DiamondsMustaq Ahmed
10352Count the eWordsMustaq Ahmed
10353Circles in Hexagon :-)Shahriar Manzoor
10354Avoiding Your BossShahriar Manzoor
10355SupermanMustaq Ahmed
10356Rough RoadsMustaq Ahmed
10357Playball !!!Ghyslain Pelletier
10358MatrixAndreas Björklund
10362TrainsGordon V. Cormack
10363Tic Tac ToeGordon V. Cormack
10364SquareGordon V. Cormack
10365BlocksGordon V. Cormack
10366Faucet FlowGordon V. Cormack
10367EquationsGordon V. Cormack
10368Euclid's GameGordon V. Cormack
10369Arctic NetworkGordon V. Cormack
10370Above AverageGordon V. Cormack
10371Time ZonesGordon V. Cormack
10372Leaps Tall Buildings (in a single bound)Gordon V. Cormack
10373The Brick Stops HereGordon V. Cormack
10374ElectionGordon V. Cormack
10375Choose and divideGordon V. Cormack
10376SnakesGordon V. Cormack
10377Maze TraversalGordon V. Cormack
10378Complex NumbersShahriar Manzoor
10379Pit Stop StrategyGordon V. Cormack
10380Shogi TournamentJimmy Mårdell
10381The RockJimmy Mårdell
10382Watering GrassPiotr Rudnicki
10383Queen vs RookJimmy Mårdell
10384The Wall PushersJimmy Mårdell
10385DuathlonGordon V. Cormack
10386Circles in TriangleShahriar Manzoor
10387BilliardGordon V. Cormack
10388SnapGordon V. Cormack
10389SubwayGordon V. Cormack
10390Bean CountingGordon V. Cormack
10391Compound WordsGordon V. Cormack
10392Factoring Large NumbersGordon V. Cormack
10393The One-Handed TypistRichard Krueger
10394Twin PrimesShahriar Manzoor
10395Titans in DangerTanbir Ahmed
Hossain Muhammad Farook
10396Vampire NumbersShahriar Manzoor
10397Connect the CampusGordon V. Cormack
Graeme Kemkes
10398The Golden PentagonShahriar Manzoor
10399Optimus PrimeDerek Kisman
10400Game Show MathSandy Graham
10401Injured Queen ProblemShahriar Manzoor
10402Triangle CoveringShahriar Manzoor
David Cantrell
Eric Friedman
10403Escape from Tut's TombJonathan Backer
10404Bachet's GamePiotr Rudnicki
10405Longest Common SubsequencePiotr Rudnicki
10406Cutting tabletopsPiotr Rudnicki
10407Simple divisionPiotr Rudnicki
10408Farey sequencesPiotr Rudnicki
10410Tree ReconstructionJonathan Backer
10411Another Game of TetrisRujia Liu
10412Big Big TreesRujia Liu
10413Crazy SavagesRujia Liu
10414Denki BlocksRujia Liu
10415Eb Alto Saxophone PlayerRujia Liu
10416Folding My T-ShirtRujia Liu
10417Gift ExchangingRujia Liu
10418Hyper Toy SoldiersRujia Liu
10419Sum-up the PrimesShahriar Manzoor
10420List of ConquestsThomas Tang
10421Critical WaveMonirul Hasan
10422Knights in FENPiotr Rudnicki
10423Peter Takes a TramwayPiotr Rudnicki
10424Love CalculatorNiaz Morshed Chowdhury
10425Mobile DestroyerMustaq Ahmed
10426Knights' NightmareMustaq Ahmed
10427Naughty Sleepy BoysTahseen Mohammad
Tanveer Ahsan
10428The RootsShahriar Manzoor
10429Mohr's CircleSuman Mahbub
10430Dear GODSuman Mahbub
10431Normal DistributionSuman Mahbub
10432Polygon Inside A CircleSuman Mahbub
10433Automorphic NumbersSuman Mahbub
10434Working With Specific GravitySuman Mahbub
10435Compare DirectoriesSuman Mahbub
10436Cheapest waySuman Mahbub
10437Playing With FractionSuman Mahbub
10438Meta EditorSuman Mahbub
10444Multi-peg Towers of HanoiM. Kaykobad
10445Make PolygonMd. Kamruzzaman (KZaman)
10446The Marriage Interview :-)Shahriar Manzoor
10447Sum-up the Primes (II)Shahriar Manzoor
10448Unique WorldMd. Kamruzzaman (KZaman)
10449TrafficMustaq Ahmed
10451Ancient Village SportsTanbir Ahmed
10452MarcusJuergen Werner
10453Make PalindromeMd. Kamruzzaman (KZaman)
10454TrexpressionMd. Kamruzzaman (KZaman)
10455Gray CodeMd. Kamruzzaman (KZaman)
10456Intelligent CatsMd. Kamruzzaman (KZaman)
10457Magic CarMd. Kamruzzaman (KZaman)
10458Cricket RankingMd. Kamruzzaman (KZaman)
10459The Tree RootMd. Kamruzzaman (KZaman)
10460Find the Permuted StringS. M. Shahed Nejhum
10461DifferenceMohammad Sajjad Hossain
10462Is There A Second Way Left?Md. Kamruzzaman (KZaman)
10463Aztec KnightsShah Arif Iqbal
Monirul Hasan
10464Big Big Real NumbersShah Arif Iqbal
10465Homer SimpsonMonirul Hasan
Sadrul Habib Chowdhury
10466How Far?Monirul Hasan
Sadrul Habib Chowdhury
10467Parse TreeSadrul Habib Chowdhury
10468Rigid Circle PackingSadrul Habib Chowdhury
10469To Carry or not to CarryMonirul Hasan
10470Shifted Coefficient Number SystemMonirul Hasan
10471Can't be too GREEDYMonirul Hasan
10472Fastest Vs CheapestMonirul Hasan
10473Simple Base ConversionShahriar Manzoor
10474Where is the Marble?Monirul Hasan
10475Help the LeadersMonirul Hasan
Shahriar Manzoor
10476Spam or Not SpamGordon V. Cormack
10477The Hybrid KnightMonirul Hasan
Shahriar Manzoor
10478The Falling PillarsShahriar Manzoor
10479The Hendrie SequenceDerek Kisman
10480SabotageJesper Larsson
10481The Gift Wrappers of HollywoodShahriar Manzoor
10482The Candyman CanJuergen Werner
10483The Sum Equals the ProductEric Schmidt
10484Divisibility of FactorsShahriar Manzoor
10485Painting with CSEMustaq Ahmed
10487Closest SumsPiotr Rudnicki
10489Boxes of ChocolatesTanveer Ahsan
10490Mr. Azad and his Son!!!!!Tanzim Saqib
10491Cows and CarsRicardo Barreira
10492Optimal Mastermind StrategyJimmy Mårdell
10493Cats, with or without HatsMonirul Hasan
10494If We Were a Child AgainS. M. Ashraful Kadir
10495Conic DistancePiotr Rudnicki
10497Sweet Child Makes TroubleTanveer Ahsan
10498HappinessMustaq Ahmed
10499The Land of JusticeTazrian Khan
10509R U Kidding Mr. Feynman?Rui Andre A. Ferreira
10510CactusMikael Goldmann
10511CouncillingGordon V. Cormack
10512A Day in Math-landShahriar Manzoor
10513Bangladesh SequencesShahriar Manzoor
10514River CrossingJimmy Mårdell
10515Powers Et Al.Shahriar Manzoor
10516Another Counting ProblemMonirul Hasan
10517Wind of Change!Shahriar Manzoor
10518How Many Calls?Monirul Hasan
10519!! Really Strange !!Anupam Bhattacharjee
10520Determine itHasan Shihab Uddin
10521Continuously Growing FractionsEnamul Haque
10522Height to AreaEnamul Haque
10523Very Easy !!!Anupam Bhattacharjee
10524Matrix ReloadedAnupam Bhattacharjee
10525New to Bangladesh?A. K. M. Saifun Nabi (Shabuj)
Anupam Bhattacharjee
10526Intellectual PropertyGordon V. Cormack
10527Persistent NumbersPiotr Rudnicki
10528Major ScalesGordon V. Cormack
10529Dumb BonesDerek Kisman
10530Guessing GameGordon V. Cormack
10531Maze StatisticsDerek Kisman
10532Combination! Once AgainMonirul Hasan
10533Digit PrimesShahriar Manzoor
10534Wavio SequenceMd. Kamruzzaman (KZaman)
10535ShooterMd. Kamruzzaman (KZaman)
10536Game of EulerJimmy Mårdell
10537The Toll! RevisitedShahriar Manzoor
10538Powerful Magic SquaresRujia Liu
10539Almost Prime NumbersShahriar Manzoor
10540Flowers of a Beautiful MindShahriar Manzoor
10541StripeDmytro Chernysh
Monirul Hasan
10542Hyper-driveShahriar Manzoor
Derek Kisman
10543Traveling PoliticianIgor Naverniouk (Abednego)
Shahriar Manzoor
10544Numbering the PathsMonirul Hasan
10545Maximal QuadrilateralShahriar Manzoor
10546The Eagle's NestMonirul Hasan
Rujia Liu
10547Hidden Truth in RecurrenceTanbir Ahmed
Monirul Hasan
10548Find the Right ChangesM. Kaykobad
Monirul Hasan
Syed Monowar Hossain
10550Combination LockGordon V. Cormack
10551Basic RemainsPiotr Rudnicki
10552Genealogical ResearchGordon V. Cormack
10553Treasure MapGordon V. Cormack
10554Calories from FatGordon V. Cormack
10555Dead FractionDerek Kisman
10556BiometricsGordon V. Cormack
10557XYZZYGordon V. Cormack
10558A Brief GerrymanderDerek Kisman
10559BlocksRujia Liu
Cailiang Liu
Rongjing Xiang
10560Minimum WeightMd. Kamruzzaman (KZaman)
10561TreblecrossJimmy Mårdell
10562Undraw the TreesMonirul Hasan
10563Least SquaresDerek Kisman
10564Paths through the HourglassJimmy Mårdell
10565MatrixRujia Liu
Monirul Hasan
10566Crossed LaddersDerek Kisman
10567Helping Fill BatesShahriar Manzoor
10568n Group kMonirul Hasan
Derek Kisman
10569Number TheoryRujia Liu
Monirul Hasan
10570Meeting with AliensMd. Kamruzzaman (KZaman)
Derek Kisman
10571ProductsAndrew Stankevich
Shahriar Manzoor
Dmytro Chernysh
10572Black & WhiteJimmy Mårdell
10573Geometry ParadoxShahriar Manzoor
10574Counting RectanglesRujia Liu
10581Partitioning for fun and profitPiotr Rudnicki
10582ASCII LabyrinthPiotr Rudnicki
10583Ubiquitous ReligionsHoward Cheng
10584Text FormalizationRichard Krueger
10585Center of symmetryPiotr Rudnicki
10586Polynomial RemainsHoward Cheng
10587Mayor's postersPiotr Rudnicki
10588Queuing at the doctorsPiotr Rudnicki
10589AreaShahriar Manzoor
10590Boxes of Chocolates AgainTanveer Ahsan
10591Happy NumberMohammed Shamsul Alam
Muhammad Abul Hasan
10592Freedom FighterS. A. M. Harun
10593KitesMohammad Sajjad Hossain
10594Data FlowMd. Kamruzzaman (KZaman)
10595Knight on the Bee BoardM. Mizanur Rahman
Md. Kamruzzaman (KZaman)
10596Morning WalkMuhammad Abul Hasan
10597Right WordsTanveer Ahsan
10598Find the LatitudeShahriar Manzoor
10599Robots(II)Monirul Hasan
10600ACM Contest and BlackoutShamil Yagiyayev
Dmytro Chernysh
Monirul Hasan
10601CubesIvaylo Riskov
Monirul Hasan
10602Editor NottoobadAndrew Stankevich
Dmytro Chernysh
10603FillIvaylo Riskov
Rujia Liu
Sadrul Habib Chowdhury
10604Chemical ReactionLitteJohn
10605Mines For DiamondsAdrian Kügel
10606Opening DoorsCarlos M. Casas Cuadrado
10607SiegeAndrew Stankevich
Dmytro Chernysh
10608FriendsIvaylo Riskov
10609FractalShahriar Manzoor
Derek Kisman
10610Gopher and HawksPiotr Rudnicki
10611The Playboy ChimpMonirul Hasan
10612Paper FoldingJimmy Mårdell
10613Mushroom MiseryAndreas Björklund
10614Dreadful VectorsMustaq Ahmed
10615RooksMaxim Babenko
Dmytro Chernysh
10616Divisible Group SumsShahriar Manzoor
10618Tango Tango InsurrectionDerek Kisman
10619Advanced Causal MeasurementsDaniel Robbins
10620A Flea on a ChessboardPiotr Rudnicki
10621Jack and JillGordon V. Cormack
10622Perfect P-th PowersGordon V. Cormack
10623Thinking BackwardShahriar Manzoor
Derek Kisman
10624Super NumberRujia Liu
Monirul Hasan
Shahriar Manzoor
10625GNU = GNU'sNotUnixMonirul Hasan
Jimmy Mårdell
10626Buying CokeJimmy Mårdell
10627Infinite RaceMd. Kamruzzaman (KZaman)
Mohammad Sajjad Hossain
10628QuadrillsJimmy Mårdell
10629Truckin'Derek Kisman
10630Millennium CeremonyRujia Liu
10631NormalsShahriar Manzoor
Derek Kisman
10632PyramidJimmy Mårdell
10633Rare Easy ProblemDerek Kisman
Monirul Hasan
10634Say NO to MemorizationShahriar Manzoor
Derek Kisman
10635Prince and PrincessRujia Liu
Shahriar Manzoor
10636Stretching GeometryShahriar Manzoor
10637CoprimesShahriar Manzoor
Jimmy Mårdell
10638The Trip IIGordon V. Cormack
Derek Kisman
Howard Cheng
10639Square PuzzleJimmy Mårdell
10640Planes around the WorldRujia Liu
Jimmy Mårdell
Shahriar Manzoor
10641Barisal StadiumMd. Kamruzzaman (KZaman)
Mohammad Sajjad Hossain
10642Can You Solve It?Anupam Bhattacharjee
Adrian Kügel
10643Facing Problem With TreesAnupam Bhattacharjee
Adrian Kügel
10644Floor TilesYin Zhao
Derek Kisman
10645MenuAdrian Kügel
10646What is the Card?Anupam Bhattacharjee
Miraj Hasnaine Tafsir
Adrian Kügel
10647Optimal House PlacementAdrian Kügel
Robin Nittka
10648Chocolate BoxA. K. M. Saifun Nabi (Shabuj)
Anupam Bhattacharjee
10649Danger PointEnamul Haque
Derek Kisman
10650Determinate PrimeHasan Shihab Uddin
Adrian Kügel
Anupam Bhattacharjee
10653Bombs! NO they are Mines!!Monirul Hasan
Shahriar Manzoor
10655Contemplation! AlgebraShahriar Manzoor
Mohammad Sajjad Hossain
10656Maximum Sum (II)Shahriar Manzoor
Monirul Hasan
10657Prince Frog IIShu Wu
Rujia Liu
10658ReArrangeMohammad Sajjad Hossain
Md. Kamruzzaman (KZaman)
Monirul Hasan
10668Expanding RodsP. Chrzastowski-Wachtel
Piotr Rudnicki
10669Three powersPiotr Rudnicki
10670Work ReductionGilbert Lee
10671Grid SpeedPiotr Rudnicki
10672Marbles on a treePiotr Rudnicki
10673Play with Floor and CeilMonirul Hasan
Shahriar Manzoor
10674TangentsShahriar Manzoor
Derek Kisman
10675Revenge of Faucet FlowDerek Kisman
Jimmy Mårdell
10676Grid PointsJimmy Mårdell
Monirul Hasan
10677Base EqualityAndreas Björklund
10678The Grazing CowShahriar Manzoor
Monirul Hasan
10679I Love Strings!!Mohammad Sajjad Hossain
10680LCMMd. Kamruzzaman (KZaman)
Mohammad Sajjad Hossain
10681Teobaldo's TripSérgio Queiroz de Medeiros
10682ForrSérgio Queiroz de Medeiros
10683The decadary watchDavid Deharbe
10684The jackpotDavid Deharbe
10685NatureJoao Paulo Fernandes Farias
10686SQF ProblemsSebastiao Alves
Sérgio Queiroz de Medeiros
10688The Poor GiantRujia Liu
10689Yet another Number SequenceSadrul Habib Chowdhury
Derek Kisman
10690Expression AgainMd. Kamruzzaman (KZaman)
Monirul Hasan
10691SubwayJimmy Mårdell
10692Huge ModsMonirul Hasan
Mohammad Sajjad Hossain
10693Traffic VolumeShahriar Manzoor
Derek Kisman
10694Combinatorial SummationMohammad Sajjad Hossain
Shahriar Manzoor
10695Find the PointShahriar Manzoor
Derek Kisman
10705The Fun Number SystemMonirul Hasan
10706Number SequenceShahriar Manzoor
107072D-NimJimmy Mårdell
10708CheetahSadrul Habib Chowdhury
Derek Kisman
10709Intersection is Not that EasyShahriar Manzoor
Derek Kisman
10710Chinese ShuffleJoachim Wulff (Little Joey)
10712Count the NumbersSlavi Marinov
Petko Minkov
10713MapGordon V. Cormack
10714AntsPiotr Rudnicki
10715CatGordon V. Cormack
10716Evil Straw Warts LiveGordon V. Cormack
10717MintGordon V. Cormack
10718Bit MaskMd. Kamruzzaman (KZaman)
10719Quotient PolynomialMohammed Shamsul Alam
Tanbir Ahmed
10720Graph ConstructionMd. Bahlul Haider
Mohammed Shamsul Alam
Tanveer Ahsan
10721Bar CodesMd. Kamruzzaman (KZaman)
10722Super Lucky NumbersMd. Bahlul Haider
Tanveer Ahsan
10723Cyborg GenesMonirul Hasan
10724Road ConstructionMd. Kamruzzaman (KZaman)
Tahseen Mohammad
10725Triangular SquareMohammad Sajjad Hossain
10726Coco MonkeyMonirul Hasan
Mohammed Shamsul Alam
Sadrul Habib Chowdhury
10727PracticeGordon V. Cormack
10728Help!Gordon V. Cormack
10729TreequivalenceGordon V. Cormack
10730Antiarithmetic?Piotr Rudnicki
10731TestGordon V. Cormack
10732The Strange ResearchShahriar Manzoor
10733The Colored CubesEric Schmidt
Derek Kisman
10734Triangle PartitioningShahriar Manzoor
Thanh Vy
Derek Kisman
10735Euler CircuitJimmy Mårdell
10736Series of PIShahriar Manzoor
Derek Kisman
10737The Difference EngineDerek Kisman
10739String to PalindromeMonirul Hasan
10740Not the BestRezaul Alam Chowdhury
Md. Kamruzzaman (KZaman)
10741Magic CubeRezaul Alam Chowdhury
10742The New Rule in EuphomiaShahriar Manzoor
Derek Kisman
10743Blocks on BlocksRujia Liu
Shahriar Manzoor
10744The Optimal Super-HighwayShahriar Manzoor
10745Dominant StringsPer Austrin
Mohammad Sajjad Hossain
10746Crime Wave - The SequelGordon V. Cormack
10747Maximum SubsequenceMd. Kamruzzaman (KZaman)
Monirul Hasan
10748Knights RoamingMd. Kamruzzaman (KZaman)
Monirul Hasan
10753Exponential FunctionSemyon Dyatlov
10756HardNumbersSemyon Dyatlov
10759Dice ThrowingPiotr Rudnicki
10760Translation or rotationPiotr Rudnicki
10761Broken KeyboardPiotr Rudnicki
10762Treasure CastleKrzysztof Diks
Piotr Rudnicki
10763Foreign ExchangeGilbert Lee
10764Signed-digit numbersPiotr Rudnicki
10765Doves and bombsPaul Shelly
10766Organising the OrganisationPer Austrin
10767Barcelona's tramsSalvador Roura
10768PlanarityJordi Petit
10769PillarsSalvador Roura
10770SokobanJordi Petit
10771Barbarian tribesSalvador Roura
10772Rose windowsSalvador Roura
10773Back to Intermediate MathAnupam Bhattacharjee
Adrian Kügel
10774Repeated JosephusAnupam Bhattacharjee
Adrian Kügel
10775Mystical MatrixYin Zhao
10776Determine The CombinationHasan Shihab Uddin
Adrian Kügel
Anupam Bhattacharjee
10777God! Save meAnupam Bhattacharjee
10778MathemagiclandYin Zhao
10779Collectors ProblemAdrian Kügel
10780Again Prime? No Time.A. K. M. Saifun Nabi (Shabuj)
Anupam Bhattacharjee
Adrian Kügel
10781Global Positioning SystemShihab Uddin
Adrian Kügel
10782Send More MoneyEnamul Haque
Adrian Kügel
10783Odd SumMonirul Hasan
Shahriar Manzoor
10784DiagonalShahriar Manzoor
Monirul Hasan
10785The Mad NumerologistShahriar Manzoor
Monirul Hasan
10786Qualify for the Champions LeagueMonirul Hasan
Jimmy Mårdell
10787Modular EquationsMonirul Hasan
10788Parenthesizing PalindromesMonirul Hasan
Md. Kamruzzaman (KZaman)
10789Prime FrequencyMonirul Hasan
Shahriar Manzoor
10790How Many Points of Intersection?Md. Bahlul Haider
Monirul Hasan
Shahriar Manzoor
Tanveer Ahsan
10791Minimum Sum LCMMd. Kamruzzaman (KZaman)
Shahriar Manzoor
10792The Laurel-Hardy StoryShahriar Manzoor
Monirul Hasan
10793The Orc AttackMonirul Hasan
Mohammad Sajjad Hossain
Shahriar Manzoor
10794The Deadly Olympic Returns!!!Mohammad Sajjad Hossain
Shahriar Manzoor
10795A Different TaskMd. Kamruzzaman (KZaman)
Derek Kisman
10796Right Hand RuleMonirul Hasan
Jimmy Mårdell
Md. Kamruzzaman (KZaman)
10797Peaceful SharingShahriar Manzoor
Derek Kisman
10798Be wary of RosesDerek Kisman
Md. Kamruzzaman (KZaman)
10799OOPS! They did it Again...Shahriar Manzoor
Derek Kisman
10800Not That Kind of GraphIgor Naverniouk (Abednego)
10801Lift HoppingIgor Naverniouk (Abednego)
Frank Pok Man Chu
Stefan Pochmann
10802Lex Smallest DriveIgor Naverniouk (Abednego)
Yury Kholondyrev
10803Thunder MountainIgor Naverniouk (Abednego)
10804Gopher StrategyIgor Naverniouk (Abednego)
Yury Kholondyrev
10805Cockroach Escape NetworksIgor Naverniouk (Abednego)
10806Dijkstra, Dijkstra.Igor Naverniouk (Abednego)
10807PrimIgor Naverniouk (Abednego)
10808Rational ResistorsIgor Naverniouk (Abednego)
10809Great CircleGordon V. Cormack
10810Ultra-QuickSortStefan Büttcher
10811Up the AnteGordon V. Cormack
10812Beat the Spread!Gordon V. Cormack
10816Travel in DesertRaymond Chun
10817Headmaster's HeadacheMak Yan Kei
10818Dora TripMak Yan Kei
10820Send a TableJoachim Wulff (Little Joey)
Shahriar Manzoor
10821Constructing BSTMd. Kamruzzaman (KZaman)
Syed Monowar Hossain
10822Planet of the Rock, Paper and ScissorsJoachim Wulff (Little Joey)
Derek Kisman
10823Of Circles and SquaresMonirul Hasan
Shahriar Manzoor
10824Regular PolygonShahriar Manzoor
Jimmy Mårdell
10825Anagram and MultiplicationShahriar Manzoor
Derek Kisman
10826Hot or Cold?Derek Kisman
Md. Kamruzzaman (KZaman)
10827Maximum sum on a torusJimmy Mårdell
Derek Kisman
Md. Kamruzzaman (KZaman)
10828Back to Kernighan-RitchieMohammad Sajjad Hossain
Shahriar Manzoor
10829L-Gap SubstringsRujia Liu
Shahriar Manzoor
10830A New FunctionShahriar Manzoor
Mohammad Sajjad Hossain
10831Gerg's CakeIgor Naverniouk (Abednego)
Derek Kisman
10832YoyodyneRobert W. Lindeman
Monirul Hasan
Shahriar Manzoor
10833Lunar ForestRujia Liu
Derek Kisman
10834The Story of Two CoinsShahriar Manzoor
Derek Kisman
10835Playing with CoinsMd. Kamruzzaman (KZaman)
Jimmy Mårdell
10836The Maximum TermShahriar Manzoor
Monirul Hasan
10837A Research ProblemShahriar Manzoor
10838The Pawn ChessJimmy Mårdell
Md. Kamruzzaman (KZaman)
10839The Curse of BarbosaAlex Chertov
Monirul Hasan
Syed Monowar Hossain
10840Multi-stage CompressorCarlos M. Casas Cuadrado
10841Lift Hopping in the Real WorldIgor Naverniouk (Abednego)
10842Traffic FlowIgor Naverniouk (Abednego)
10843Anne's gameIgor Naverniouk (Abednego)
10844BloquesMauricio Javier Osorio Galindo
10845The crusadesRodrigo Burgos Domínguez
10846Reading time from a clockHumberto Montalván Gámez
10847Basic TautologiesMauricio Javier Osorio Galindo
10848Make Palindrome CheckerMeine Van der Meulen
10856Recover FactorialA. N. M. Anisur Rahman
10857Easter EggsPer Austrin
10858Unique FactorizationShamim Hafiz
Sohel Hafiz
10859Placing LamppostsSohel Hafiz
Per Austrin
10860Many a Little makes a MickleA. N. M. Anisur Rahman
Monirul Hasan
Sohel Hafiz
10861Security by AmbiguityPer Austrin
10862Connect the Cable WiresSohel Hafiz
10863Shovelling SnowPer Austrin
10864The PredatorSohel Hafiz
10865Brownie PointsPiotr Rudnicki
10866Magic BitstringsDon Reble
Piotr Rudnicki
10867Cutting a PolygonPiotr Rudnicki
10868Bungee JumpingStefan Büttcher
10869Brownie Points IIPiotr Rudnicki
10870RecurrencesMax Furlong
Derek Kisman
10871Primed SubsequenceGordon Chiu
10872TrianglesShahriar Manzoor
Jimmy Mårdell
10873Splat, Inc.Robert W. Lindeman
Derek Kisman
10874SegmentsIan Munro
Troy Vasiga
10875Big MathRobert W. Lindeman
Monirul Hasan
Shahriar Manzoor
10876Factory RobotJimmy Mårdell
Derek Kisman
10878Decode the tapeIgor Naverniouk (Abednego)
10879Code RefactoringIgor Naverniouk (Abednego)
10880Colin and RyanIgor Naverniouk (Abednego)
10881Piotr's AntsIgor Naverniouk (Abednego)
10882Koerner's PubIgor Naverniouk (Abednego)
Yury Kholondyrev
10883SupermeanIgor Naverniouk (Abednego)
10884PersephoneIgor Naverniouk (Abednego)
10885Martin the GardenerIgor Naverniouk (Abednego)
10886Standard DeviationIgor Naverniouk (Abednego)
10887Concatenation of LanguagesMonirul Hasan
Shahriar Manzoor
10888WarehouseJimmy Mårdell
Mohammad Sajjad Hossain
10889The Lost GiftShahriar Manzoor
Derek Kisman
10890MazeSyed Monowar Hossain
Derek Kisman
10891Game of SumSyed Monowar Hossain
Derek Kisman
Mohammad Sajjad Hossain
10892LCM CardinalityShahriar Manzoor
Derek Kisman
10893Creating Sudoku PuzzlesJimmy Mårdell
Derek Kisman
10894Save HridoyShahriar Manzoor
Monirul Hasan
10899Billiard againPiotr Rudnicki
10900So you want to be a 2n-aire?Don Reble
10901Ferry Loading IIIGordon V. Cormack
10902Pick-up SticksPiotr Rudnicki
10903Rock-Paper-Scissors TournamentGordon V. Cormack
10904Structural EquivalenceGordon V. Cormack
10905Children's GameMd. Kamruzzaman (KZaman)
10906Strange IntegrationMd. Kamruzzaman (KZaman)
10907Art GalleryMd. Kamruzzaman (KZaman)
10908Largest SquareTanveer Ahsan
10909Lucky NumberMohammed Shamsul Alam
Tanveer Hasan Saaem
10910Marks DistributionMd. Bahlul Haider
Tanveer Ahsan
10911Forming Quiz TeamsSohel Hafiz
10912Simple Minded HashingSohel Hafiz
10913Walking on a GridSohel Hafiz
10914Abundance and Perfect NumbersShahriar Manzoor
Derek Kisman
10915War on WeatherGordon V. Cormack
10916Factstone BenchmarkCharles L. A. Clarke
Gordon V. Cormack
10917Walk Through the ForestRichard Krueger
10918Tri TilingPiotr Rudnicki
10919Prerequisites?Gordon V. Cormack
10920Spiral TapDavid Deharbe
10921Find the TelephoneSérgio Queiroz de Medeiros
109222 the 9sDavid Deharbe
10923Seven SeasJoao Paulo Fernandes Farias
10924Prime WordsSérgio Queiroz de Medeiros
10925KrakoviaSérgio Queiroz de Medeiros
10926How Many Dependencies?Joao Paulo Fernandes Farias
10927Bright LightsDavid Deharbe
10928My Dear NeighboursSérgio Queiroz de Medeiros
10929You can say 11David Deharbe
10930A-SequenceSérgio Queiroz de Medeiros
10931ParitySérgio Queiroz de Medeiros
10932CalculatorJoao Paulo Fernandes Farias
10933VolleyballJoao Paulo Fernandes Farias
10934Dropping water balloonsPiotr Rudnicki
10935Throwing cards away IPiotr Rudnicki
10936Land surveyor's jobH. James Hoover
Piotr Rudnicki
10937Blackbeard the PirateBroderick Arneson
10938Flea circusPiotr Rudnicki
10939Ants, Aphids and a LadybugKrzysztof Diks
Piotr Rudnicki
10940Throwing cards away IIPiotr Rudnicki
10941Words adjustmentPiotr Rudnicki
Wojciech Rytter
10942Can of BeansBroderick Arneson
10949Kids in a GridRujia Liu
10950Bad CodeSadrul Habib Chowdhury
Derek Kisman
10951Polynomial GCDSadrul Habib Chowdhury
Derek Kisman
10952Pattern TransformationsJimmy Mårdell
Derek Kisman
10953Stochastic Digit GeneratorShahriar Manzoor
10954Add AllMd. Kamruzzaman (KZaman)
10955Playfair CipherJoachim Wulff (Little Joey)
Derek Kisman
10956Prime SuspectJoachim Wulff (Little Joey)
10957So Doku CheckerJoachim Wulff (Little Joey)
Jimmy Mårdell
10958How Many Solutions?Shahriar Manzoor
10964Strange PlanetBabak Behsaz
10965Khepel's ProblemArash Rahimi
109663KP-BASH ProjectMohammad Tavakoli Ghinani
10967The Great EscapeBabak Behsaz
10968KuPellaKeSBabak Behsaz
10969Sweet DreamArash Rahimi
10970Big ChocolateBabak Behsaz
10971Building ConstructionSaman Amirpour
10972RevolC FaeLoNBabak Behsaz
10973Triangle CountingArash Rahimi
10974The Ridiculous GameMohammad Tavakoli Ghinani
10975Dueue's QuizMohammad Tavakoli Ghinani
10976Fractions Again?!Mak Yan Kei
10977Enchanted ForestMak Yan Kei
10978Let's Play Magic!Mak Yan Kei
10979How Many Triangles?Mak Yan Kei
10980Lowest Price in TownMak Yan Kei
Sabur Zaheed
10981String MorphingRaymond Chun
Liu Chi Man
10982TroublemakersIgor Naverniouk (Abednego)
10983Buy one, get the rest freeIgor Naverniouk (Abednego)
Yury Kholondyrev
10984Double NP-hardIgor Naverniouk (Abednego)
Frank Chu
Wladek Kwasnicki
10985Rings'n'RopesIgor Naverniouk (Abednego)
10986Sending emailIgor Naverniouk (Abednego)
10987AntifloydIgor Naverniouk (Abednego)
Frank Chu
10988From G to H and backIgor Naverniouk (Abednego)
10989Bomb, Divide and ConquerIgor Naverniouk (Abednego)
10990Another New FunctionShahriar Manzoor
Derek Kisman
10991RegionMd. Z. Hossain
Shahriar Manzoor
10992The Ghost of ProgrammersK. M. Iftekhar
Shahriar Manzoor
10993Ignoring DigitsJoachim Wulff (Little Joey)
Derek Kisman
10994Simple AdditionMd. Moniruzzaman
Shahriar Manzoor
10995Educational JourneyPiotr Rudnicki
10996GoGordon V. Cormack
10997MedalsStefan Büttcher
10998Flipping ColorsPiotr Rudnicki
10999CrabblesJennifer Lhot
Ondřej Lhoták
11000BeeMak Yan Kei
11001NecklaceMak Yan Kei
11002Towards ZeroMak Yan Kei
11003BoxesMak Yan Kei
11004Changing RoadmapShahriar Manzoor
Derek Kisman
11005Cheapest BaseJoachim Wulff (Little Joey)
Derek Kisman
11006Wheel GoodDerek Kisman
11007Mini CubeJimmy Mårdell
11008Antimatter Ray ClearcuttingIgor Naverniouk (Abednego)
Yury Kholondyrev
11009Geometry Once AgainShahriar Manzoor
Derek Kisman
11010Tic-Tac-ToughJoachim Wulff (Little Joey)
Derek Kisman
11011Numerical Methods! A SatireShahriar Manzoor
Derek Kisman
11012Cosmic CabbagesIgor Naverniouk (Abednego)
Shahriar Manzoor
11013Get StraightJoachim Wulff (Little Joey)
Derek Kisman
11014Make a CrystalShahriar Manzoor
Derek Kisman
1101505-2 RendezvousTimotius Sakti
Shahriar Manzoor
11016Square CountingJimmy Mårdell
Derek Kisman
11017A Greener WorldShahriar Manzoor
Derek Kisman
11018Mars BuggyJoachim Wulff (Little Joey)
Derek Kisman
11019Matrix MatcherRujia Liu
Wenbin Tang
11020Efficient SolutionsIgor Naverniouk (Abednego)
Yury Kholondyrev
11021TriblesIgor Naverniouk (Abednego)
Joachim Wulff (Little Joey)
11023Multisets and SequencesJoachim Wulff (Little Joey)
11025Mr. And Mrs. HamiltonFrank Chu
Igor Naverniouk (Abednego)
11026A Grouping ProblemMd. Kamruzzaman (KZaman)
11027Palindromic PermutationSohel Hafiz
Jane Alam Jan
11028Sum of ProductSohel Hafiz
11029Leading and TrailingShamim Hafiz
Jane Alam Jan
11030Predator IISohel Hafiz
11031Looking for a SubsetJane Alam Jan
Sohel Hafiz
11032Function OverloadingSohel Hafiz
Jane Alam Jan
11033Help my BrotherJane Alam Jan
Sohel Hafiz
11034Ferry Loading IVPiotr Rudnicki
11035Card HandsOndřej Lhoták
11036Eventually Periodic SequencePiotr Rudnicki
11037Point of View in FlatlandPiotr Rudnicki
11038How Many O's?Piotr Rudnicki
11056Formula 1Herbert de Mélo Duarte
11057Exact SumSérgio Queiroz de Medeiros
11058EncodingSérgio Queiroz de Medeiros
11059Maximum ProductSérgio Queiroz de Medeiros
11060BeveragesSérgio Queiroz de Medeiros
11061Playing WarHerbert de Mélo Duarte
11062Andy's Second DictionaryDavid Deharbe
11063B2-SequenceSérgio Queiroz de Medeiros
11064Number TheoryTilmann Spiegelhauer
11066AragornTilmann Spiegelhauer
11069A Graph ProblemDer General
11070The Good Old TimesTilmann Spiegelhauer
11072PointsTilmann Spiegelhauer
11073Euler's Totient FunctionTilmann Spiegelhauer
11074Draw GridShahriar Manzoor
Md. Kamruzzaman (KZaman)
11075CollageMonirul Hasan
Shahriar Manzoor
11076Add AgainMd. Kamruzzaman (KZaman)
Shahriar Manzoor
11077Find the PermutationsMd. Kamruzzaman (KZaman)
Abdullah-al-Mahmud (Satej)
11078Open Credit SystemMohammad Sajjad Hossain
Shahriar Manzoor
11079What's the Time?Md. Kamruzzaman (KZaman)
Abdullah-al-Mahmud (Satej)
11080Place the GuardsAbdullah-al-Mahmud (Satej)
Md. Kamruzzaman (KZaman)
11081StringsAbdullah-al-Mahmud (Satej)
Md. Kamruzzaman (KZaman)
11082Matrix DecompressingMonirul Hasan
Sadrul Habib Chowdhury
11083Zeroes RevisitedShahriar Manzoor
Derek Kisman
11084Anagram DivisionAbdullah-al-Mahmud (Satej)
11085Back to the 8-QueensSohel Hafiz
Shamim Hafiz
11086Composite PrimeMd. Erfanul Hoque Siddiqi
Tanveer Ahsan
11087Divisibility TestingSohel Hafiz
11088End up with More TeamsShamim Hafiz
11089Fi-binary NumberAbdullah-al-Mahmud (Satej)
11090Going in Cycle!!Mohammad Tavakoli Ghinani
Cho
11091How many Knight Placing?Abdullah-al-Mahmud (Satej)
11092IIUC HexWorldMushfiqur Rouf
11093Just Finish it upMd. Bahlul Haider
Istiaque Ahmed
11094ContinentsHossein Azizpour
11095Tabriz CityHadi Moshayedi
11096NailsAli Sharifrazavian
Hossein Azizpour
11097Poor My Problem! :-(Hossein Azizpour
11098Battle IIHadi Moshayedi
11099Next Same-FactoredHossein Azizpour
Ali Sharifrazavian
Hadi Moshayedi
11100The Trip, 2007Gordon V. Cormack
Graeme Kemkes
Ian Munro
Troy Vasiga
11101Mall ManiaGordon V. Cormack
11102MoonshineGordon V. Cormack
Troy Vasiga
11103WFF 'N PROOFGordon V. Cormack
11104CousinsGordon V. Cormack
11105Semi-prime H-numbersDon Reble
11106Rectilinear PolygonPiotr Rudnicki
11107Life FormsGordon V. Cormack
11108TautologyGordon V. Cormack
11109RinseGordon V. Cormack
11118Prisoners, Boxes and Pieces of PaperIgor Naverniouk (Abednego)
11119Chemical AttractionJoachim Wulff (Little Joey)
Derek Kisman
11120Very Funny Mr. FeynmanJoachim Wulff (Little Joey)
Igor Naverniouk (Abednego)
11121Base -2Igor Naverniouk (Abednego)
Shahriar Manzoor
11122Tri TriMohammad Sajjad Hossain
Joachim Wulff (Little Joey)
11123Counting TrapizoidShahriar Manzoor
Derek Kisman
11124Troubles for Modern Days ProblemsettersJoachim Wulff (Little Joey)
Shahriar Manzoor
11125Arrange Some MarblesAbdullah-al-Mahmud (Satej)
Mohammad Sajjad Hossain
11126Relaxed GolfIgor Naverniouk (Abednego)
Joachim Wulff (Little Joey)
11127Triple-Free Binary StringsRujia Liu
Shahriar Manzoor
11128Faulty ComputerShahriar Manzoor
11129An antiarithmetic permutationPiotr Rudnicki
W. Guzicki
11130Billiard bouncesPiotr Rudnicki
11131Close RelativesRichard Krueger
11132Dice from penniesChris Procter
11133EigensequenceDon Reble
11134Fabled RooksKrzysztof Diks
Piotr Rudnicki
11135Gopher that walks and swimsPiotr Rudnicki
11136Hoax or whatTomasz Walen
Piotr Rudnicki
11137Ingenuous CubrencyPiotr Rudnicki
11138Nuts and BoltsJoachim Wulff (Little Joey)
Igor Naverniouk (Abednego)
11139Counting QuadrilateralsShahriar Manzoor
11140Little Ali's Little Brother!Mohammad Reza Khani
11141Sugar CubesHossein Azizpour
Mohammad Reza Khani
11142MineSweeper IIHadi Moshayedi
11143SubtitlesHossein Azizpour
11144S.O.S.Ali Sharifrazavian
11145AvreniMBabak Behsaz
11146InsurrectionBabak Behsaz
Hossein Azizpour
11147KuPellaKeS BSTHadi Moshayedi
11148Moliu FractionsMak Yan Kei
11149Power of MatrixMak Yan Kei
11150ColaJonathan Mak
11151Longest PalindromeRaymond Chun
11152Colourful FlowersMak Yan Kei
11153MuseumsMak Yan Kei
11154An Octal WorldJane Alam Jan
Sohel Hafiz
11155Be EfficientMohiul Alam Prince
Sohel Hafiz
11156Continuous DrawingSohel Hafiz
Jane Alam Jan
11157Dynamic FrogSohel Hafiz
Jane Alam Jan
11158Elegant Permuted SumSohel Hafiz
Jane Alam Jan
11159Factors and MultiplesSohel Hafiz
Jane Alam Jan
11160Going TogetherSohel Hafiz
Jane Alam Jan
11161Help My Brother (II)Jane Alam Jan
Sohel Hafiz
11162Independent Attacking ZonesSohel Hafiz
Jane Alam Jan
11163Jaguar KingJane Alam Jan
Sohel Hafiz
11164Kingdom DivisionTanvir Mahmud
Jane Alam Jan
11165Galactic TravelIgor Naverniouk (Abednego)
Joachim Wulff (Little Joey)
11166Power SignsPer Austrin
Mikael Goldmann
11167Monkeys in the Emei MountainDong Zhou
Rujia Liu
Huayang Guo
11168AirportDerek Kisman
Igor Naverniouk (Abednego)
11169Deal or No DealJoachim Wulff (Little Joey)
Derek Kisman
11170Cos(NA)Shahriar Manzoor
Derek Kisman
11171SMSPer Austrin
Mikael Goldmann
11172Relational OperatorShahriar Manzoor
Derek Kisman
11173Grey CodesIgor Naverniouk (Abednego)
Shahriar Manzoor
11174Stand in a LineAbdullah-al-Mahmud (Satej)
Derek Kisman
11175From D to E and BackIgor Naverniouk (Abednego)
Joachim Wulff (Little Joey)
11176Winning StreakPer Austrin
Mikael Goldmann
11177Fighting Against a Polygonal MonsterRujia Liu
Wenbin Tang
Yiming Li
11178Morley's TheoremShahriar Manzoor
Joachim Wulff (Little Joey)
11179Bit StreamJoachim Wulff (Little Joey)
Shahriar Manzoor
11180Base i-1Igor Naverniouk (Abednego)
Shahriar Manzoor
11181Probability|GivenShahriar Manzoor
Derek Kisman
11182Zeroes IIIShahriar Manzoor
Derek Kisman
11183Teen Girl SquadIgor Naverniouk (Abednego)
11184Joyful RideRujia Liu
Shahriar Manzoor
11185TernaryShahriar Manzoor
11186Circum TriangleShahriar Manzoor
Derek Kisman
11187Water CrisisMd. Kamruzzaman (KZaman)
Abdullah-al-Mahmud (Satej)
11188A Strange Opera HouseRujia Liu
Yiming Li
11189A Simple PendulumShahriar Manzoor
Derek Kisman
11190Series of PowersShahriar Manzoor
Derek Kisman
11191SquareAbdullah-al-Mahmud (Satej)
Derek Kisman
11192Group ReverseShahriar Manzoor
Derek Kisman
11193InfinixMd. Kamruzzaman (KZaman)
Abdullah-al-Mahmud (Satej)
11194Stone GridAbdullah-al-Mahmud (Satej)
Derek Kisman
Igor Naverniouk (Abednego)
11196Birthday CakeRujia Liu
11199Equations in DisguiseRujia Liu
11208Airplane SchedulingRujia Liu
11209Be Together Again and ForeverRujia Liu
11211Digital LogicRujia Liu
11212Editing a BookRujia Liu
11216IrrigationRujia Liu
11217Jewel MagnetizerRujia Liu
11219How old are you?Diego Caminha Barbosa de Oliveira
11220Decoding the message.Sérgio Queiroz de Medeiros
11221Magic square palindromes.Daniel Amaral de Medeiros Rocha
11222Only I did it!Diego Caminha Barbosa de Oliveira
11223O: dah dah dah!David Deharbe
11224Let's swim!Sérgio Queiroz de Medeiros
11225Tarot scores.David Deharbe
11226Reaching the fix-point.David Deharbe
11227The silver bullet.David Deharbe
11228Transportation system.Herbert de Mélo Duarte
11229Improved tic-tac-toe.Diego Caminha Barbosa de Oliveira
11239Open SourcePrabhakar Ragde
11240AntimonotonicityTor Myklebust
11241HumidexOndřej Lhoták
11242Tour de FranceGordon V. Cormack
Ondřej Lhoták
11243Texas TripGordon V. Cormack
Tor Myklebust
11244Counting StarsShahriar Manzoor
Syed Monowar Hossain
11245Anti-Arithmetic-Sequence Abdullah-al-Mahmud (Satej)
Derek Kisman
11246K-Multiple Free set Abdullah-al-Mahmud (Satej)
Shahriar Manzoor
11247Income Tax Shahriar Manzoor
Derek Kisman
11248Frequency HoppingSyed Monowar Hossain
Abdullah-al-Mahmud (Satej)
11249GameAbdullah-al-Mahmud (Satej)
Derek Kisman
11250Working with Small NumbersShahriar Manzoor
Derek Kisman
11251FractionsDerek Kisman
Shahriar Manzoor
11252Take Me Home (To the Place I Belong)Syed Monowar Hossain
Abdullah-al-Mahmud (Satej)
Shahriar Manzoor
11253FractalCho
11254Consecutive IntegersCho
11255NecklaceCho
11256Repetitive MultipleCho
11257New Marketing PlanCho
11258String PartitionCho
11259Coin Changing AgainCho
11260Odd Root SumShahriar Manzoor
Derek Kisman
11261BishopsIstiaque Ahmed
Manzurur Rahman Khan (Sidky)
11262Weird FenceMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11263Nested RectanglesAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11264Coin CollectorAbdullah-al-Mahmud (Satej)
Mohammad Mahmudur Rahman
11265The Sultan's ProblemManzurur Rahman Khan (Sidky)
Mohammad Mahmudur Rahman
11266EquationsAbdullah-al-Mahmud (Satej)
Istiaque Ahmed
Mohammad Mahmudur Rahman
11267The Hire-a-Coder Business ModelMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11268Reliable NetworkAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11269Setting ProblemsMohammad Mahmudur Rahman
Abdullah-al-Mahmud (Satej)
11270Tiling DominoesJosh Bao
Rodrigo Burgos Domínguez
11271Lattice of ResistorsJosh Bao
Mike Liu
11272Summing the Lengths of the Longest Increasing Subsequence of PermutationsJosh Bao
Mike Liu
11273Warping N Dimensional SpaceJosh Bao
Mike Liu
11274Infinite Resistor NetworkJosh Bao
Mike Liu
112753D TrianglesJosh Bao
Mike Liu
11276Magical SevenJosh Bao
Mike Liu
11277Cyclic PolygonsJosh Bao
Wenyuan Chen
11278One-Handed TypistSonny Chan
11279Keyboard ComparisonSonny Chan
11280Flying to FrederictonBrett Shikaze
11281Triangular Pegs in Round HolesSonny Chan
11282Mixing InvitationsDaniel Adler
11283Playing BoggleSonny Chan
11284Shopping TripSonny Chan
11285Exchange RatesOndřej Lhoták
11286ConformityGordon V. Cormack
11287Pseudoprime NumbersGordon V. Cormack
11288CarpoolOndřej Lhoták
11289Friend or Foe?Gordon V. Cormack
11290GangsPrabhakar Ragde
11291SmeechGordon V. Cormack
11292Dragon of LoowaterOndřej Lhoták
11293TournamentGordon V. Cormack
11294WeddingPrabhakar Ragde
11295Anti Monotonicity RevisitedJosh Bao
Rodrigo Burgos Domínguez
11296Counting Solutions to an Integral EquationJosh Bao
11297CensusRodrigo Burgos Domínguez
11298Dissecting a HexagonJosh Bao
11299Separating RodsRodrigo Burgos Domínguez
11300Spreading the WealthJosh Bao
11301Great Wall of ChinaRodrigo Burgos Domínguez
11302Hexadecimal Digits of an IntegralJosh Bao
11303PermutationsRodrigo Burgos Domínguez
11304Difussing Nuclear Bombs on Planet XJosh Bao
11305Chess on Planet XJosh Bao
11306Optimal Marriage on Planet XJosh Bao
11307Alternative ArborescenceDarko Aleksic
11308Bankrupt BakerSean McIntyre
11309Counting ChaosSean McIntyre
11310Delivery DebacleDarko Aleksic
11311Exclusively EdibleDarko Aleksic
11312Flipping FrustrationSean McIntyre
11313Gourmet GamesDarko Aleksic
11314Hardly HardJohn Zhang
11315AttackerChen Qifeng
Rujia Liu
11316Prime FrogAbdullah-al-Mahmud (Satej)
Derek Kisman
11317GCD+LCMShahriar Manzoor
Abdullah-al-Mahmud (Satej)
11318Marble GameAbdullah-al-Mahmud (Satej)
Derek Kisman
11319Stupid SequenceShahriar Manzoor
Abdullah-al-Mahmud (Satej)
11320Hidden TrianglesShahriar Manzoor
Derek Kisman
11321Sort! Sort!! and Sort!!!Shahriar Manzoor
Syed Monowar Hossain
11322Romeo and JulietShahriar Manzoor
Derek Kisman
11323Satisfying ConstraintsZachary Friggstad
11324The Largest CliqueZachary Friggstad
11325This Means War!Jason Klaus
11326Laser PointerZachary Friggstad
11327Enumerating Rational NumbersZachary Friggstad
11328Drawing Straws at the OfficeZachary Friggstad
11329Curious FleasZachary Friggstad
11330Andy's ShoesMartin Muller
11331The Joys of FarmingMartin Muller
11332Summing DigitsZachary Friggstad
11340NewspaperA. Augusto Sousa
Aleksej Viktorchik
Leonid Shishlo
11341Term StrategyAleksej Viktorchik
Leonid Shishlo
11342Three-squareAleksej Viktorchik
Leonid Shishlo
11343Isolated SegmentsAleksej Viktorchik
Leonid Shishlo
11344The Huge OneAleksej Viktorchik
Leonid Shishlo
11345RectanglesAleksej Viktorchik
Leonid Shishlo
11346ProbabilityAleksej Viktorchik
Leonid Shishlo
11347MultifactorialsAleksej Viktorchik
Leonid Shishlo
11348ExhibitionAleksej Viktorchik
Leonid Shishlo
11349Symmetric MatrixAleksej Viktorchik
Leonid Shishlo
11350Stern-Brocot TreeAleksej Viktorchik
Leonid Shishlo
11351Last Man StandingAleksej Viktorchik
Leonid Shishlo
11352Crazy KingAleksej Viktorchik
Leonid Shishlo
11353A Different Kind of SortingShamim Hafiz
11354BondIvan Krasilnikov
11355Cool PointsSohel Hafiz
Ivan Krasilnikov
11356DatesSohel Hafiz
11357Ensuring TruthIvan Krasilnikov
11358Faster Processing FeasibilityMohammad Mahmudur Rahman
Ivan Krasilnikov
11359Guards, Imbecile GuardsSohel Hafiz
Vinay Singh
11360Have Fun with MatricesSohel Hafiz
11361Investigating Div-Sum PropertySohel Hafiz
Ivan Krasilnikov
11371Number Theory for NewbiesMak Yan Kei
11372Arranging a ContestMak Yan Kei
11373Happy BirthdayMak Yan Kei
11374Airport ExpressRaymond Chun
11375MatchesMak Yan Kei
11376Tilt!Andrea Gilbert
11377Airport SetupTasnim Imran Sunny
Md. Mahbubul Hasan
11378Bey BattleMd. Mahbubul Hasan
11379Chichi's Home WorkMd. Mahbubul Hasan
Tasnim Imran Sunny
11380Down Went The TitanicIshtiak Zaman
Md. Mahbubul Hasan
11381Elegant StringsTasnim Imran Sunny
Simon Lo
11382Fear of The DarkTasnim Imran Sunny
Md. Mahbubul Hasan
11383Golden Tiger ClawMd. Mahbubul Hasan
11384Help is needed for DexterMd. Mahbubul Hasan
11385Da Vinci CodeMohammed Shamsul Alam
Mohammed Saifur Rahim
Tanveer Ahsan
11386TriplesMd. Kamruzzaman (KZaman)
11387The 3-Regular GraphManzurur Rahman Khan (Sidky)
Mohammad Mahmudur Rahman
11388GCD LCMShamim Hafiz
11389The Bus Driver ProblemMohammad Mahmudur Rahman
11390The Sultan's FeastManzurur Rahman Khan (Sidky)
11391Blobs in the BoardIstiaque Zaman
11392Binary*3 Type MultipleMd. Mahbubul Hasan
Abdullah-al-Mahmud (Satej)
11393Tri-IsomorphismMohammad Mahmudur Rahman
11394Digit BlocksShahriar Manzoor
Derek Kisman
11395Sigma FunctionShahriar Manzoor
11396Claw DecompositionMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11397Reconstructing Binary ForestsManzurur Rahman Khan (Sidky)
11398The Base-1 Number SystemMohammad Mahmudur Rahman
11399What be thy Name, O Dear Tree?K. Raiyan Kamal
11400Lighting System DesignMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11401Triangle CountingMohammad Mahmudur Rahman
11402Ahoy, Pirates!Istiaque Ahmed
Mohammad Mahmudur Rahman
11403Binary MultiplicationM. Mizanur Rahman
11404Palindromic SubsequenceRajesh S. R.
Vijay S.
11405Can U Win?Vijay S.
11406Best TrapRamgopal K.
11407SquaresSiddhart S.
11408Count DePrimesRamgopal K.
11409Ball PassingRamgopal K.
11410LAEncodingSrivathsan
11411MiniMiceRamgopal K.
11412Dig the HolesVijay S.
11413Fill the ContainersRajesh S. R.
11414DreamShankara Raman S.
Vijay S.
11415Count the FactorialsSiddhart S.
11416Excel EvaluationRaghavan M.
11417GCDShahriar Manzoor
Syed Monowar Hossain
11418Clever Naming PatternsIgor Naverniouk (Abednego)
11419SAM I AMSyed Monowar Hossain
Derek Kisman
11420Chest of DrawersShahriar Manzoor
Derek Kisman
11421Arranging CardsRujia Liu
Dong Zhou
11422Escaping from Fractal BacteriumShahriar Manzoor
Derek Kisman
11423Cache SimulatorMd. Kamruzzaman (KZaman)
Derek Kisman
11424GCD - Extreme (I)Shahriar Manzoor
Syed Monowar Hossain
11425Collecting Luggage EXTREME!!!Derek Kisman
Per Austrin
11426GCD - Extreme (II)Shahriar Manzoor
Syed Monowar Hossain
11427Expect the ExpectedIgor Naverniouk (Abednego)
Frank Chu
11428CubesShahriar Manzoor
Derek Kisman
11429RandomnessDerek Kisman
11430ETS Problem settingShahriar Manzoor
Derek Kisman
11431Partitioning a NumberLinyun Yu
Rujia Liu
11432Busy ProgrammerMohammad Mahmudur Rahman
Abdullah-al-Mahmud (Satej)
11433The Dicey DiceShahriar Manzoor
Derek Kisman
11434Careless Postman ProblemManzurur Rahman Khan (Sidky)
Derek Kisman
11435Network EXTREME!!!Derek Kisman
Per Austrin
11436Cubes - EXTREME!!!Shahriar Manzoor
Derek Kisman
11437Triangle FunShahriar Manzoor
11438Integer Transmission EXTREMERujia Liu
11439Maximizing the ICPCPer Austrin
Derek Kisman
11440Help TomisuShahriar Manzoor
Per Austrin
11441Encoding/DecodingAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11442Linear Diophantine TidbitsShahriar Manzoor
Derek Kisman
11443Tree in a GridAbdullah-al-Mahmud (Satej)
Derek Kisman
11444SumAbdullah-al-Mahmud (Satej)
Manuela Pereira
11445Water Tanks EXTREMEDerek Kisman
Per Austrin
11446Where is the 'back' button?Mohammad Mahmudur Rahman
Abdullah-al-Mahmud (Satej)
11456TrainsortingOndřej Lhoták
11457ClassifiedIan Goldberg
11458Hot SpotOndřej Lhoták
11459Snakes and LaddersOndřej Lhoták
11460BalanceOndřej Lhoták
11461Square NumbersShahriar Manzoor
11462Age SortMohammad Mahmudur Rahman
Shahriar Manzoor
11463CommandosShamim Hafiz
Md. Arifuzzaman Arif
11464Even ParitySohel Hafiz
Derek Kisman
Md. Arifuzzaman Arif
11465Count the PolygonsSohel Hafiz
Md. Arifuzzaman Arif
11466Largest Prime DivisorShahriar Manzoor
Syed Monowar Hossain
11467Pythagorean TrianglesShahriar Manzoor
Derek Kisman
11468SubstringManzurur Rahman Khan (Sidky)
11469Treasure HuntManzurur Rahman Khan (Sidky)
Abdullah-al-Mahmud (Satej)
11470Square SumsSohel Hafiz
11471Arrange the TilesSohel Hafiz
Md. Arifuzzaman Arif
Shamim Hafiz
11472Beautiful NumbersMd. Arifuzzaman Arif
Sohel Hafiz
11473Campus RoadsMd. Arifuzzaman Arif
Shamim Hafiz
11474Dying TreeAsmaa Magdi
Muhammad Magdy
Sohel Hafiz
11475Extend to PalindromeMuntasir Azam Khan
Kazi Rakibul Hossain
11476Factorizing Larget IntegersTasnim Imran Sunny
Mir Wasi Ahmed
11477Game of RectanglesMd. Arifuzzaman Arif
Istiaque Ahmed
11478HalumMd. Mahbubul Hasan
11479Is this the easiest problem?Shamim Hafiz
11480Jimmy's BallsSohel Hafiz
11481Arrange the NumbersMd. Arifuzzaman Arif
Abdullah-al-Mahmud (Satej)
Jane Alam Jan
11482Building a Triangular MuseumJane Alam Jan
Sohel Hafiz
11483Code CreatorShamim Hafiz
Sohel Hafiz
11484Document Object ModelShamim Hafiz
Jane Alam Jan
11485Extreme Discrete SummationShahriar Manzoor
Derek Kisman
11486Finding Paths in GridMd. Arifuzzaman Arif
Abdullah-al-Mahmud (Satej)
11487Gathering FoodSohel Hafiz
Md. Arifuzzaman Arif
11488Hyper Prefix SetsAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11489Integer GameSohel Hafiz
Md. Arifuzzaman Arif
Shamim Hafiz
11490Just Another ProblemShahriar Manzoor
Syed Monowar Hossain
11501Laurel CreekOndřej Lhoták
11502Rocket StagesGordon V. Cormack
Ondřej Lhoták
11503Virtual FriendsOndřej Lhoták
11504DominosOndřej Lhoták
11505LogoOndřej Lhoták
11515CranesOndřej Lhoták
11516WiFiOndřej Lhoták
11517Exact ChangeOndřej Lhoták
11518Dominos 2Ondřej Lhoták
11519Logo 2Ondřej Lhoták
11520Fill the SquareSohel Hafiz
11521CompressorRujia Liu
Xin Qi
Yiming Li
11522Pyramid NumberMohammad Mahmudur Rahman
Igor Naverniouk (Abednego)
11523RecyclingSohel Hafiz
Md. Arifuzzaman Arif
11524InCircleShahriar Manzoor
Mohammad Mahmudur Rahman
11525PermutationAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11526H(n)Md. Arifuzzaman Arif
Shahriar Manzoor
11527Morning WalkShahriar Manzoor
Derek Kisman
11528Switch GridAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11529Strange Tax CalculationShahriar Manzoor
Derek Kisman
11530SMS TypingShamim Hafiz
Sohel Hafiz
11531Solve the Broken MazeMd. Arifuzzaman Arif
Derek Kisman
11532Simple Adjacency MaximizationMohammad Mahmudur Rahman
Sabbir Yousuf Sanny
11533Special NumberSadrul Habib Chowdhury
Manzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
Mohammad Mahmudur Rahman
Sabbir Yousuf Sanny
11534Say Goodbye to Tic-Tac-ToeMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11535Set of MarblesAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
11536Smallest Sub-ArraySohel Hafiz
Md. Arifuzzaman Arif
11537Secret Problemsetters' UnionMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11538Chess QueenShahriar Manzoor
Mohammad Mahmudur Rahman
11539Another Word GameMd. Arifuzzaman Arif
Sabbir Yousuf Sanny
11540Sultan's ChandelierManzurur Rahman Khan (Sidky)
Sabbir Yousuf Sanny
11541DecodingSohel Hafiz
Mohammad Mahmudur Rahman
11542SquareAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11543Two Points And Curious MumboJumboK. Raiyan Kamal
Md. Arifuzzaman Arif
11544Recruiter's ProblemManzurur Rahman Khan (Sidky)
Sabbir Yousuf Sanny
11545Avoiding Jungle in the DarkShamim Hafiz
Md. Arifuzzaman Arif
11546Olympic SwimmingMohammad Mahmudur Rahman
Md. Arifuzzaman Arif
11547Automatic AnswerSean McIntyre
11548Blackboard BonanzaSean McIntyre
11549Calculator ConundrumDarko Aleksic
11550Demanding DilemmaDarko Aleksic
11551Experienced EndeavourJohn Zhang
11552Fewest FlopsSean McIntyre
11553Grid GameDarko Aleksic
11554Hapless HedonismJohn Zhang
11565Simple EquationsMak Yan Kei
11566Let's Yum Cha!Mak Yan Kei
11567Moliu Number GeneratorMak Yan Kei
11568Pincer Attack!!Mak Yan Kei
11569Lovely HintRaymond Chun
11570Sudoku without numbers?Mak Yan Kei
11571Simple Equations - Extreme!!Mak Yan Kei
11572Unique SnowflakesOndřej Lhoták
Richard Peng
11573Ocean CurrentsOndřej Lhoták
Richard Peng
11574Colliding TrafficOndřej Lhoták
Richard Peng
11575Zerg Rush!!!Ondřej Lhoták
Richard Peng
11576Scrolling SignOndřej Lhoták
Richard Peng
11577Letter FrequencySumudu Fernando
11578Situp BenchesKevin Waugh
11579Triangle TroubleSumudu Fernando
11580Finding the TransmitterSumudu Fernando
11581Grid SuccessorsBabak Behsaz
Zachary Friggstad
11582Colossal Fibonacci Numbers!Zachary Friggstad
11583Alien DNABabak Behsaz
Zachary Friggstad
11584Partitioning by PalindromesKevin Waugh
11585NurikabeZachary Friggstad
11586Train TracksMartin Muller
11587Brick GameSohel Hafiz
Md. Arifuzzaman Arif
11588Image CodingMohammad Mahmudur Rahman
Md. Arifuzzaman Arif
11589Save the PresidentShahriar Manzoor
Abdullah-al-Mahmud (Satej)
Rujia Liu
11590Prefix LookupMd. Kamruzzaman (KZaman)
Derek Kisman
11591Bulb Inside a GridSohel Hafiz
Md. Arifuzzaman Arif
11592Bulb inside a Grid (II)Md. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
Sohel Hafiz
11593FractionsShahriar Manzoor
Per Austrin
11594All Pairs Maximum FlowIgor Naverniouk (Abednego)
Per Austrin
11595Crossing Streets EXTREMEShahriar Manzoor
Derek Kisman
11596Convex Orthogonal PolygonShahriar Manzoor
Derek Kisman
11597Spanning SubtreeMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11598Optimal SegmentsSohel Hafiz
Md. Arifuzzaman Arif
11599Triangle and PolynomialShahriar Manzoor
Derek Kisman
Mohammad Mahmudur Rahman
11600Masud RanaMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11601Avoiding OverlapsMd. Arifuzzaman Arif
Sohel Hafiz
11602SMS for BlindShahriar Manzoor
Derek Kisman
11603Its all about the BandwidthIgor Naverniouk (Abednego)
Per Austrin
11604General SultanMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
11605Lights inside a 3d GridMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11606AtomsShamim Hafiz
Sohel Hafiz
11607Cutting CakesManzurur Rahman Khan (Sidky)
Sohel Hafiz
11608No ProblemMohammad Mahmudur Rahman
Md. Arifuzzaman Arif
11609TeamsMd. Towhidul Islam Talukder
Md. Arifuzzaman Arif
11610Reverse PrimeMohiul Alam Prince
Sabbir Yousuf Sanny
11611Colored TilesSohel Hafiz
Md. Arifuzzaman Arif
11612Sultan and Khairun ShundoriSabbir Yousuf Sanny
Manzurur Rahman Khan (Sidky)
11613Acme CorporationManzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
11636Hello World!Shahriar Manzoor
Sohel Hafiz
11637Garbage Remembering ExamSamee Zahur
Sabbir Yousuf Sanny
11638Temperature MonitoringShamim Hafiz
Md. Arifuzzaman Arif
11639Guard the LandMd. Arifuzzaman Arif
Md. Towhidul Islam Talukder
11640Mayor ElectionManzurur Rahman Khan (Sidky)
Mohammad Mahmudur Rahman
11641Looking for a New PlaceSohel Hafiz
Md. Arifuzzaman Arif
11642Bangladesh Premier LeagueSabbir Yousuf Sanny
Samee Zahur
11643Knight TourMd. Arifuzzaman Arif
Sohel Hafiz
11644PyragridMohammad Mahmudur Rahman
11645BitsMohiul Alam Prince
Sabbir Yousuf Sanny
11646Athletics TrackSabbir Yousuf Sanny
Manzurur Rahman Khan (Sidky)
11647Judgment DayManzurur Rahman Khan (Sidky)
Sabbir Yousuf Sanny
11648Divide The LandMd. Towhidul Islam Talukder
Md. Arifuzzaman Arif
11649Home! Sweet Home!Md. Arifuzzaman Arif
Jane Alam Jan
11650Mirror ClockMd. Towhidul Islam Talukder
Sohel Hafiz
11651Krypton Number SystemJane Alam Jan
Manzurur Rahman Khan (Sidky)
11652Power FasterRaiyan Kamal
Sabbir Yousuf Sanny
11653Stick Makes GoldJane Alam Jan
Md. Arifuzzaman Arif
11654Arithmetic SubsequenceShamim Hafiz
Md. Arifuzzaman Arif
11655WaterlandSyed Monowar Hossain
Md. Arifuzzaman Arif
11666LogarithmsShahriar Manzoor
Derek Kisman
Md. Arifuzzaman Arif
Sohel Hafiz
11667Income Tax Hazard IIShahriar Manzoor
Derek Kisman
11668How Many TeamsSohel Hafiz
Md. Arifuzzaman Arif
11669Non Decreasing Prime SequenceMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11670Physics ExperimentMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11671Sign of MatrixRujia Liu
Sohel Hafiz
Md. Arifuzzaman Arif
11672Dynamic SummationSamee Zahur
Md. Arifuzzaman Arif
11673Enemy at the GatewayManzurur Rahman Khan (Sidky)
Samee Zahur
11674In-EllipseShahriar Manzoor
Derek Kisman
11675Happy FriendsMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11713Abstract NamesShamim Hafiz
Tanveer Ahsan
11714Blind SortingMd. Mahbubul Hasan
Shamim Hafiz
11715CarJane Alam Jan
Md. Shiplu Hawlader
11716Digital FortressMohammed Shamsul Alam
Tanveer Ahsan
11717Energy Saving MicrocontrollerShamim Hafiz
Sohel Hafiz
11718Fantasy of a SummationJane Alam Jan
Anna Fariha
11719Gridland AirportsTasnim Imran Sunny
Md. Arifuzzaman Arif
Md. Mahbubul Hasan
11720How Many WaysTasnim Imran Sunny
Md. Mahbubul Hasan
11721Instant View of Big BangJane Alam Jan
Md. Abirul Islam
11722Joining with FriendMd. Towhidul Islam Talukder
Md. Mahbubul Hasan
Samee Zahur
11723Numbering RoadsShahriar Manzoor
Sohel Hafiz
11724Evaluate the ExpressionSohel Hafiz
Renat Mullakhanov
11725Colorful BoardMd. Arifuzzaman Arif
Mohammad Mahmudur Rahman
11726Crime SceneManzurur Rahman Khan (Sidky)
Samee Zahur
11727Cost CuttingSohel Hafiz
Md. Arifuzzaman Arif
11728Alternate TaskShamim Hafiz
Sohel Hafiz
11729Commando WarMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11730Number TransformationMohammad Mahmudur Rahman
Md. Arifuzzaman Arif
11731Ex-circlesShahriar Manzoor
Sohel Hafiz
11732"strcmp()" Anyone?Shahriar Manzoor
Manzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
Sohel Hafiz
11733AirportsMuntasir Azam Khan
Sohel Hafiz
11734Big Number of Teams will Solve ThisShamim Hafiz
Md. Arifuzzaman Arif
11735Corner the QueensMd. Towhidul Islam Talukder
Md. Arifuzzaman Arif
11736Debugging RAMAdnan Chowdhury
Shamim Hafiz
11737Extreme Primitive SocietyRaiyan Kamal
Sabbir Yousuf Sanny
11738Few Teams will Solve thisRujia Liu
Sohel Hafiz
Renat Mullakhanov
11739Giving CandiesMuntasir Azam Khan
Md. Arifuzzaman Arif
11740How Dark Can it Be?Samee Zahur
Md. Towhidul Islam Talukder
11741Ignore the BlocksSamee Zahur
Md. Arifuzzaman Arif
11742Social ConstraintsZachary Friggstad
11743Credit CheckSumudu Fernando
11744Parallel Carry AdderZachary Friggstad
11745SlitherlinZachary Friggstad
11746Finding the Transmitter AgainSumudu Fernando
11747Heavy Cycle EdgesZachary Friggstad
11748Rigging ElectionsZachary Friggstad
11749Poor Trade AdvisorBabak Behsaz
11750Red-Blue TreeBabak Behsaz
11751Installing Diagnostic SoftwareZachary Friggstad
11752The Super PowersShahriar Manzoor
Sohel Hafiz
11753Creating PalindromeMd. Arifuzzaman Arif
Abdullah-al-Mahmud (Satej)
11754Code FeatDerek Kisman
Samee Zahur
11755Table TennisSohel Hafiz
Samee Zahur
11756Bounded by LinesManzurur Rahman Khan (Sidky)
Samee Zahur
11757Winger TrialMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11758Left RightManzurur Rahman Khan (Sidky)
Samee Zahur
11759IBM FencingShahriar Manzoor
Derek Kisman
11760Brother Arif, Please feed us!Mohammad Mahmudur Rahman
Sohel Hafiz
11761Super Heronian TriangleShahriar Manzoor
Samee Zahur
11762Race to 1Md. Arifuzzaman Arif
Sohel Hafiz
11763Hats OffJane Alam Jan
Manzurur Rahman Khan (Sidky)
11764Jumping MarioSohel Hafiz
Shamim Hafiz
11765Component PlacementManzurur Rahman Khan (Sidky)
Samee Zahur
11766Racing Car ComputerMohammad Mahmudur Rahman
Md. Arifuzzaman Arif
11767World of KnotsSamee Zahur
Manzurur Rahman Khan (Sidky)
11768Lattice Point or NotShahriar Manzoor
11769All Souls NightMohammad Mahmudur Rahman
Jane Alam Jan
11770Lighting AwaySamee Zahur
Jane Alam Jan
11771Dhaka BotsSamee Zahur
Manzurur Rahman Khan (Sidky)
11772A Bee Love StoryJane Alam Jan
Md. Arifuzzaman Arif
11773King's WishMd. Towhidul Islam Talukder
Jane Alam Jan
11774Doom's DayTanaeem Md. Moosa
Jane Alam Jan
Manzurur Rahman Khan (Sidky)
11775Unique StoryShamim Hafiz
Jane Alam Jan
11776Oh Your Royal Greediness!Mohammad Mahmudur Rahman
Md. Towhidul Islam Talukder
11777Automate the GradesSohel Hafiz
Shamim Hafiz
11778Graph Coloring in HSLManzurur Rahman Khan (Sidky)
Mohammad Mahmudur Rahman
11779Lost FileMd. Arifuzzaman Arif
Jane Alam Jan
Samee Zahur
11794Dazzling PuzzleJane Alam Jan
Manzurur Rahman Khan (Sidky)
11795Mega Man's MissionShamim Hafiz
Jane Alam Jan
Sohel Hafiz
11796Dog DistanceSohel Hafiz
Jane Alam Jan
Md. Towhidul Islam Talukder
11797Drutojan ExpressJane Alam Jan
11798Colorful Board 2Md. Arifuzzaman Arif
Jane Alam Jan
Md. Towhidul Islam Talukder
11799Horror DashSamee Zahur
Manzurur Rahman Khan (Sidky)
11800Determine the ShapeMd. Towhidul Islam Talukder
Manzurur Rahman Khan (Sidky)
11801A Problemsetter Blind with EmotionMohammad Mahmudur Rahman
Jane Alam Jan
11802All Your Bases Belong to UsTanaeem Md. Moosa
Jane Alam Jan
11803The Great MergerManzurur Rahman Khan (Sidky)
Jane Alam Jan
11804ArgentinaSohel Hafiz
Jane Alam Jan
Shamim Hafiz
11805Bafana BafanaMd. Arifuzzaman Arif
Muntasir Azam Khan
Sohel Hafiz
11806CheerleadersShamim Hafiz
Jane Alam Jan
Md. Arifuzzaman Arif
11807Dumb Eucelics' Pyramid WalkSamee Zahur
Jane Alam Jan
11808Ensuring VictoryMuntasir Azam Khan
Jane Alam Jan
Samee Zahur
11809Floating-Point NumbersShahriar Manzoor
Derek Kisman
Shamim Hafiz
Tanaeem Md. Moosa
11810Gentle ping, to the old KingJane Alam Jan
Md. Arifuzzaman Arif
11811Hello, MafiaManzurur Rahman Khan (Sidky)
Jane Alam Jan
11812Innovative Procession ManagementJane Alam Jan
Manzurur Rahman Khan (Sidky)
Sohel Hafiz
11813ShoppingOndřej Lhoták
11814Stack MachineOndřej Lhoták
11815IdeasOndřej Lhoták
11816HSTOndřej Lhoták
11817Tunnelling the EarthOndřej Lhoták
11818Game --- Mouse and CheeseSohel Hafiz
Md. Arifuzzaman Arif
11819BisectorsShahriar Manzoor
Derek Kisman
11820Warp SpeedChalathip Thumkanon
11821High-Precision NumberSeksun Suwanmanee
11822ConfigurationsKazi Rakibul Hossain
Jane Alam Jan
Md. Arifuzzaman Arif
11823Two Longest PathsJittat Fakcharoenphol
11824A Minimum Land PriceAmarin Deemagarn
Seksun Suwanmanee
11825Hackers' CrackdownMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11826ShuffleManzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
11827Maximum GCDAmarin Deemagarn
11828Palindrome AgainMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
11829L's in a CircleShahriar Manzoor
Derek Kisman
11859Division GameAbdullah-al-Mahmud (Satej)
Manzurur Rahman Khan (Sidky)
11860Document AnalyzerJane Alam Jan
Abdullah-al-Mahmud (Satej)
11861ExplosionJane Alam Jan
Derek Kisman
11862Airbus vs BoeingMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
11863Prime GameSohel Hafiz
Jane Alam Jan
11864Probability CalculationShahriar Manzoor
Md. Arifuzzaman Arif
11865Stream My ContestManzurur Rahman Khan (Sidky)
Derek Kisman
11866TriangleAbdullah-al-Mahmud (Satej)
11867PolitenessMd. Towhidul Islam Talukder
Jane Alam Jan
11868Game of BlocksTanaeem Md. Moosa
Md. Arifuzzaman Arif
11869SOAP ResponseShamim Hafiz
Md. Towhidul Islam Talukder
Muntasir Azam Khan
11870AntonymsMuntasir Azam Khan
Sohel Hafiz
11871New LandJane Alam Jan
Md. Towhidul Islam Talukder
11872Where to RunJane Alam Jan
Sohel Hafiz
11873Gift PackingShahriar Manzoor
Derek Kisman
11874Travel CompanyMd. Towhidul Islam Talukder
Jane Alam Jan
11875Brick GameMd. Arifuzzaman Arif
Jane Alam Jan
Shamim Hafiz
11876N + NOD (N)Sohel Hafiz
Shamim Hafiz
11899Writing the Whole piTanaeem Md. Moosa
Jane Alam Jan
11900Boiled EggsJane Alam Jan
Sohel Hafiz
11901Ellipse HazardShahriar Manzoor
Jane Alam Jan
11902DominatorSohel Hafiz
Jane Alam Jan
Kazi Rakibul Hossain
11903e-FriendsJane Alam Jan
Sohel Hafiz
11904One Unit MachineKazi Rakibul Hossain
Jane Alam Jan
11905Map ColoringJane Alam Jan
Tanaeem Md. Moosa
11906Knight in a War GridMd. Towhidul Islam Talukder
Jane Alam Jan
11907Collision of BacteriaShamim Hafiz
Jane Alam Jan
Tanaeem Md. Moosa
11908SkyscraperMuntasir Azam Khan
Jane Alam Jan
Kazi Rakibul Hossain
11909Soya MilkMak Yan Kei
11910Closest FractionsMak Yan Kei
11911Farther or CloserMak Yan Kei
11912Chutes and LaddersMak Yan Kei
11913Tape RecordingMak Yan Kei
11914An Amazing RaceMak Yan Kei
11915RecurrenceAbdullah-al-Mahmud (Satej)
Jane Alam Jan
11916Emoogle GridJane Alam Jan
Rujia Liu
11917Do Your Own HomeworkSohel Hafiz
Shamim Hafiz
11918Traveler of GridlandMd. Arifuzzaman Arif
Sohel Hafiz
11919Hybrid SalientiaSohel Hafiz
Md. Arifuzzaman Arif
119200 s, 1 s and ? MarksSohel Hafiz
Md. Arifuzzaman Arif
11921Save the PrincessMd. Towhidul Islam Talukder
Jane Alam Jan
11922Permutation TransformerRujia Liu
Derek Kisman
11923RoundaboutShamim Hafiz
Md. Towhidul Islam Talukder
11924Unlock the Winning PotTanaeem Md. Moosa
Derek Kisman
11925Generating PermutationsZachary Friggstad
11926MultitaskingMartin Muller
11927Games Are ImportantMohammad Reza Khani
11928The Busy DogZachary Friggstad
11929Ambiguous ForestsZachary Friggstad
11930RectanglesBabak Behsaz
11931Maze EscapeMohammad Reza Khani
11932Net ProfitSumudu Fernando
11933Splitting NumbersZachary Friggstad
11934Magic FormulaMartin Muller
11935Through the DesertMartin Muller
11951AreaAleksej Viktorchik
Leonid Shishlo
11952ArithmeticAleksej Viktorchik
Andrius Mitkus
Leonid Shishlo
11953BattleshipsAndrius Mitkus
Leonid Shishlo
11954Binary CalculatorAleksej Viktorchik
Leonid Shishlo
11955Binomial TheoremAleksej Viktorchik
Leonid Shishlo
11956BrainfuckAleksej Viktorchik
Leonid Shishlo
11957CheckersAleksej Viktorchik
Leonid Shishlo
11958Coming HomeAleksej Viktorchik
Leonid Shishlo
11959DiceAleksej Viktorchik
Leonid Shishlo
11960Divisor GameAleksej Viktorchik
Leonid Shishlo
11961DNAAleksej Viktorchik
Leonid Shishlo
11962DNA IIAleksej Viktorchik
Leonid Shishlo
11963EmigrationAleksej Viktorchik
Leonid Shishlo
11964EquationAleksej Viktorchik
Leonid Shishlo
11965Extra SpacesAleksej Viktorchik
Leonid Shishlo
11966Galactic BondingAleksej Viktorchik
Andrius Mitkus
Leonid Shishlo
11967Hic-Hac-HoeAleksej Viktorchik
Leonid Shishlo
11968In The AirportAleksej Viktorchik
Leonid Shishlo
11969LAMApboAleksej Viktorchik
Leonid Shishlo
11970Lucky NumbersAleksej Viktorchik
Leonid Shishlo
11971PolygonAleksej Viktorchik
Leonid Shishlo
11972Round TripAleksej Viktorchik
Leonid Shishlo
11973Sierpinski CarpetAleksej Viktorchik
Leonid Shishlo
11974Switch The LightsAleksej Viktorchik
Leonid Shishlo
11975Tele-lotoAleksej Viktorchik
Leonid Shishlo
11976Time DepositAleksej Viktorchik
Leonid Shishlo
11977Story of Tomisu GhostShahriar Manzoor
Jane Alam Jan
Md. Towhidul Islam Talukder
11978Fukushima Nuclear BlastJane Alam Jan
Md. Mahbubul Hasan
Shahriar Rouf Nafi
11979Hamming BaseAbdullah-al-Mahmud (Satej)
Jane Alam Jan
Md. Towhidul Islam Talukder
11980Mad ScientistKazi Rakibul Hossain
Jane Alam Jan
Md. Arifuzzaman Arif
11981Corrupted FriendshipShahriar Rouf Nafi
Jane Alam Jan
11982Fantasy CricketMd. Arifuzzaman Arif
Jane Alam Jan
Kazi Rakibul Hossain
11983Weird AdvertisementJane Alam Jan
Md. Mahbubul Hasan
11984A Change in Thermal UnitShamim Hafiz
Jane Alam Jan
Sohel Hafiz
11985Prime IndependenceAbdullah-al-Mahmud (Satej)
Jane Alam Jan
11986Save from RadiationMd. Mahbubul Hasan
Jane Alam Jan
Md. Towhidul Islam Talukder
11987Almost Union-FindRujia Liu
Yiming Li
11988Broken Keyboard (a.k.a. Beiju Text)Rujia Liu
Yiming Li
11989Cake CuttingRujia Liu
Dun Liang
Yeji Shen
11990``Dynamic'' InversionRujia Liu
Dun Liang
Yi Chen
11991Easy Problem from Rujia Liu?Rujia Liu
Yiming Li
11992Fast Matrix OperationsRujia Liu
Dun Liang
Yeji Shen
11993Girls' CelebrationRujia Liu
11994Happy Painting!Rujia Liu
Dun Liang
11995I Can Guess the Data Structure!Rujia Liu
Yiming Li
11996Jewel MagicRujia Liu
Xinhao Yuan
Yao Li
11997K Smallest SumsRujia Liu
Yiming Li
11998Rujia Liu loves Wario Land!Rujia Liu
Erjin Zhou
11999UnlockTanaeem Md. Moosa
Derek Kisman
12000K-Transformed PermutationsSohel Hafiz
Md. Mahbubul Hasan
12001UVa Panel DiscussionMiguel Revilla
Luis Hernández Corbato
12002Happy BirthdayCarlos M. Casas Cuadrado
Rujia Liu
12003Array TransformerRujia Liu
Jane Alam Jan
12004Bubble SortJane Alam Jan
Sohel Hafiz
12005Find SolutionsShahriar Manzoor
Jane Alam Jan
12006Paint BrushJane Alam Jan
Md. Arifuzzaman Arif
12007Crossboard ColoringAbdullah-al-Mahmud (Satej)
Jane Alam Jan
12008Emotional BishopMd. Arifuzzaman Arif
Jane Alam Jan
12009Avaricious MaryannaGuodong Feng
12010Boring HomeworkGuodong Feng
Ji Hong
12011Complete the SetAoxiang Cui
12012Detection of ExtraterrestrialGuodong Feng
12013EntertainmentGuodong Feng
12014Fudan Extracurricular LivesJi Hong
12015Google is Feeling LuckyLei Huang
12016HerbicideJi Hong
Zhan Yu
12017ImitationGuodong Feng
Lei Huang
12018Juice ExtractorLei Huang
12028A Gift from the SetterShamim Hafiz
Jane Alam Jan
Sohel Hafiz
12029Flying SpaceshipsShahriar Rouf Nafi
Md. Mahbubul Hasan
12030Help the WinnersJane Alam Jan
Muntasir Azam Khan
Sohel Hafiz
12031Summation of Four SquaresShahriar Manzoor
Jane Alam Jan
12032The Monkey and the Oiled BambooJane Alam Jan
Slavi Marinov
12033Game of CSJane Alam Jan
Md. Mahbubul Hasan
12034RaceMd. Mahbubul Hasan
Jane Alam Jan
Shahriar Rouf Nafi
Tanaeem Md. Moosa
12035War MapMd. Towhidul Islam Talukder
Jane Alam Jan
12036Stable GridSohel Hafiz
Jane Alam Jan
12037Musical ChairMd. Mahbubul Hasan
Jane Alam Jan
Shahriar Rouf Nafi
12038Batting PracticeMd. Towhidul Islam Talukder
Md. Arifuzzaman Arif
12039Goldbach's CardinalityShahriar Manzoor
Md. Mahbubul Hasan
12040Again Lucky NumbersShakil Ahmed
Anna Fariha
12041BFS (Binary Fibonacci String)Md. Moshiur Rahman
Kazi Rakibul Hossain
12042Colorful EggsAnna Fariha
Md. Shiplu Hawlader
12043DivisorsTanaeem Md. Moosa
Shakil Ahmed
12044Extreme DivisorsTahseen Mohammad
Shakil Ahmed
12045Fun with StringsMd. Towhidul Islam Talukder
Jane Alam Jan
12046Great NumbersMonish Chakrabortty
Sohel Hafiz
12047Highest Paid TollMd. Shiplu Hawlader
Jane Alam Jan
12048InhabitantsJane Alam Jan
Anna Fariha
12049Just Prune The ListMd. Arifuzzaman Arif
Shamim Hafiz
12050Palindrome NumbersEric Schmidt
Shahriar Manzoor
12051Mazes in Higher DimensionsShahriar Manzoor
Derek Kisman
12052Cyber cafeMustaq Ahmed
Shahriar Manzoor
12053Unbreakable FloorRujia Liu
Shahriar Manzoor
12054Find the ProjectMonirul Hasan
Derek Kisman
12055Strange ResearchShahriar Manzoor
12056Circle StrafingDerek Kisman
12057Prefix CodesGordon V. Cormack
Monirul Hasan
12058Highway MonitorTarique Mesbaul Islam
Derek Kisman
12059Volume MeasurementShahriar Manzoor
Derek Kisman
12060All Integer AverageShahriar Manzoor
Monirul Hasan
12061Overlaying MapsAlex Chertov
Shahriar Manzoor
12062Reverse AssignmentShahriar Manzoor
Jimmy Mårdell
Monirul Hasan
12063Zeros and OnesMonirul Hasan
Jimmy Mårdell
12064Count the Points InsideShahriar Manzoor
Derek Kisman
12065Permutation PrimesMohammad Sajjad Hossain
12066The Fairy Tale of ICPCShahriar Manzoor
Derek Kisman
12067Guinea RatsMonirul Hasan
12068Harmonic MeanShahriar Manzoor
Syed Monowar Hossain
12069Robots inside the LabyrinthMd. Kamruzzaman (KZaman)
Derek Kisman
12070Invite Your FriendsSyed Monowar Hossain
Md. Kamruzzaman (KZaman)
12071Understanding RecursionShahriar Manzoor
Derek Kisman
12072MatrissorMd. Kamruzzaman (KZaman)
Derek Kisman
12073Altitude TriangleShahriar Manzoor
Derek Kisman
12074The Ultimate Bamboo EaterRujia Liu
12075Counting TrianglesShahriar Manzoor
Derek Kisman
12085Mobile CasanovaShahriar Manzoor
Syed Monowar Hossain
12086PotentiometersJoachim Wulff (Little Joey)
Shahriar Manzoor
12087Collecting MarblesAbdullah-al-Mahmud (Satej)
Shahriar Manzoor
12088ExpressionShahriar Manzoor
Derek Kisman
12089The LuncheonShahriar Manzoor
Derek Kisman
12090Counting ZeroesShahriar Manzoor
Derek Kisman
12091MultiplicationShahriar Manzoor
Derek Kisman
12092Paint the RoadsAbdullah-al-Mahmud (Satej)
Derek Kisman
12093Protecting ZonkJoachim Wulff (Little Joey)
Abdullah-al-Mahmud (Satej)
12094Battle of the TriangleShahriar Manzoor
12114Bachelor ArithmeticShahriar Manzoor
Syed Monowar Hossain
Abdullah-al-Mahmud (Satej)
12115Nested SquaresShahriar Manzoor
Abdullah-al-Mahmud (Satej)
Syed Monowar Hossain
12116The Dumb GrocerAbdullah-al-Mahmud (Satej)
Syed Monowar Hossain
12117ACM PuzzlesShahriar Manzoor
Derek Kisman
12118Inspector's DilemmaMohammad Mahmudur Rahman
Abdullah-al-Mahmud (Satej)
Syed Monowar Hossain
12119The Bells are RingingShahriar Manzoor
Derek Kisman
12120Photographic TourSyed Monowar Hossain
Derek Kisman
12121You are around me ...Shahriar Manzoor
Derek Kisman
12122Infinite MatrixAbdullah-al-Mahmud (Satej)
Derek Kisman
Manzurur Rahman Khan (Sidky)
12123Magnetic Train TracksShahriar Manzoor
Derek Kisman
12134Find the Format StringShahriar Manzoor
Md. Arifuzzaman Arif
Sohel Hafiz
12135Switch BulbsAbdullah-al-Mahmud (Satej)
Md. Arifuzzaman Arif
Shahriar Manzoor
Sohel Hafiz
12136Schedule of a Married ManMohammad Mahmudur Rahman
Shahriar Manzoor
Md. Arifuzzaman Arif
Sohel Hafiz
12137Puzzles of TrianglesShahriar Manzoor
Derek Kisman
12138Chemical PlantMohammad Mahmudur Rahman
Derek Kisman
12139Clicking CheckboxesShahriar Manzoor
Derek Kisman
Md. Arifuzzaman Arif
12140Magic RingsSohel Hafiz
Md. Arifuzzaman Arif
12141Line ChartMd. Arifuzzaman Arif
Abdullah-al-Mahmud (Satej)
Rujia Liu
Sohel Hafiz
12142Mobile TowerAbdullah-al-Mahmud (Satej)
Mohammad Mahmudur Rahman
Rujia Liu
12143Stopping Doom's DayShahriar Manzoor
Derek Kisman
12155ASCII DiamondiShahriar Manzoor
Md. Arifuzzaman Arif
Sohel Hafiz
12156Match MakerSohel Hafiz
Md. Arifuzzaman Arif
Rujia Liu
Shamim Hafiz
12157Tariff PlanSohel Hafiz
Rujia Liu
Shamim Hafiz
12158Irreducible FractionsShahriar Manzoor
Derek Kisman
Rujia Liu
12159Gun FightMohammad Mahmudur Rahman
Rujia Liu
Sohel Hafiz
12160Unlock the LockSyed Monowar Hossain
Shahriar Manzoor
Sohel Hafiz
12161Ironman Race in TreelandRujia Liu
Derek Kisman
12162Shooting the MonsterRujia Liu
Mohammad Mahmudur Rahman
12163Addition-Subtraction GameAbdullah-al-Mahmud (Satej)
Rujia Liu
12164The Great GameDerek Kisman
Rujia Liu
12165Triangle HazardShahriar Manzoor
Derek Kisman
Rujia Liu
12207That is Your QueueDerek Kisman
Shahriar Manzoor
12208How Many Ones Needed?Shahriar Manzoor
Sohel Hafiz
12209Foot NotesManzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
12210A Match Making ProblemShahriar Manzoor
Md. Arifuzzaman Arif
Sohel Hafiz
12211Games of BlockSohel Hafiz
Md. Arifuzzaman Arif
12212Password RememberingMd. Arifuzzaman Arif
Derek Kisman
Manzurur Rahman Khan (Sidky)
12213Camera in the MuseumShahriar Manzoor
Derek Kisman
12214Traffic JamMohammad Mahmudur Rahman
Derek Kisman
12215Rectangle of PermutationAbdullah-al-Mahmud (Satej)
Derek Kisman
Mohammad Mahmudur Rahman
12216How Many bases?Shahriar Manzoor
Derek Kisman
12217Integer GameAbdullah-al-Mahmud (Satej)
Md. Arifuzzaman Arif
12249Overlapping ScenesShamim Hafiz
Shahriar Manzoor
Sohel Hafiz
12250Language DetectionShahriar Manzoor
Jane Alam Jan
Sohel Hafiz
12251Scientific ExperimentTanaeem Md. Moosa
Jane Alam Jan
Manzurur Rahman Khan (Sidky)
12252ABCD TilesSohel Hafiz
Jane Alam Jan
12253Simple EncryptionShahriar Manzoor
Derek Kisman
12254Electricity ConnectionJane Alam Jan
Derek Kisman
12255Underwater SnipersManzurur Rahman Khan (Sidky)
Jane Alam Jan
12256Making QuadrilateralsShahriar Manzoor
Manzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
Sohel Hafiz
12257The QueueMd. Arifuzzaman Arif
Jane Alam Jan
12258Air Pollution ProblemShahriar Manzoor
Derek Kisman
12279Emoogle BalanceMohammad Mahmudur Rahman
Manzurur Rahman Khan (Sidky)
Shahriar Manzoor
Sohel Hafiz
12280A Digital Satire of Digital AgeShahriar Manzoor
Md. Arifuzzaman Arif
Sohel Hafiz
12281Hyper BoxAbdullah-al-Mahmud (Satej)
Md. Arifuzzaman Arif
12282OmniGravitySohel Hafiz
Jane Alam Jan
12283Halloween CostumesManzurur Rahman Khan (Sidky)
Md. Arifuzzaman Arif
12284Digital MatrixMd. Arifuzzaman Arif
Manzurur Rahman Khan (Sidky)
Sohel Hafiz
12285Knockout TournamentsShahriar Manzoor
Derek Kisman
12286Optimal StoreShahriar Manzoor
Derek Kisman
12287Network FlowMohammad Mahmudur Rahman
Jane Alam Jan
12288Hyper KnightsJane Alam Jan
Manzurur Rahman Khan (Sidky)
12289One-Two-ThreeRujia Liu
Jane Alam Jan
Yiming Li
12290Counting GameRujia Liu
Jane Alam Jan
Yiming Li
12291Polyomino ComposerRujia Liu
Jane Alam Jan
Yiming Li
12292Polyomino DecomposerRujia Liu
Jane Alam Jan
Yiming Li
12293Box GameRujia Liu
Jane Alam Jan
Yiming Li
12294RPG battlesRujia Liu
Jane Alam Jan
Yiming Li
12295Optimal Symmetric PathsRujia Liu
Jane Alam Jan
Yiming Li
12296Pieces and DiscsRujia Liu
Jane Alam Jan
12297Super PokerRujia Liu
Jane Alam Jan
12298Super Poker IIRujia Liu
Jane Alam Jan
12299RMQ with ShiftsRujia Liu
Jane Alam Jan
Yiming Li
12300Smallest Regular PolygonRujia Liu
Yiming Li
12301An Angular PuzzleRujia Liu
Yiming Li
12302Nine-Point CircleRujia Liu
Yiming Li
12303Composite TransformationsRujia Liu
Dun Liang
123042D Geometry 110 in 1!Rujia Liu
Di Tang
Yi Chen
12305Polishing a Extruded PolygonRujia Liu
Dun Liang
12306My SketchUpRujia Liu
Dun Liang
12307Smallest Enclosing RectangleRujia Liu
Dun Liang
12308Smallest Enclosing BoxRujia Liu
Dun Liang
Yeji Shen
12309A Strange Opera House IIRujia Liu
Dun Liang
12310Point LocationRujia Liu
Dun Liang
Yeji Shen
12311All-Pair Farthest PointsRujia Liu
Dun Liang
Yeji Shen
12312Bounding Volume HierarchyRujia Liu
Dun Liang
12313A Tiny RaytracerRujia Liu
Dun Liang
12314The Cleaning RobotRujia Liu
Dun Liang
12335Lexicographic OrderMd. Towhidul Islam Talukder
Jane Alam Jan
12336Knights in the Zombie LandMd. Mahbubul Hasan
Jane Alam Jan
12337Bob's Beautiful BallsSohel Hafiz
Jane Alam Jan
12338Anti-Rhyme PairsMuntasir Azam Khan
Jane Alam Jan
Kazi Rakibul Hossain
Sabbir Yousuf Sanny
12339Help HermioneAnindya Das
Sabbir Yousuf Sanny
12340Integer GroupingSabbir Yousuf Sanny
Md. Mahbubul Hasan
12341Next to NeverShahriar Manzoor
Derek Kisman
12342Tax CalculatorMd. Towhidul Islam Talukder
Jane Alam Jan
12343Strange SimulationJane Alam Jan
Kazi Rakibul Hossain
12344Jewel TransportationRujia Liu
12345Dynamic len(set(a[L:R]))Rujia Liu
12346Water Gate ManagementSeksun Suwanmanee
12347Binary Search TreeSeksun Suwanmanee
12348Fun ColoringSanpawat Kantabutra
12349Twin Apparent Primes!!Shahriar Manzoor
Derek Kisman
12350Queen GameAbdullah-al-Mahmud (Satej)
Jane Alam Jan
12351Spelling SuggestionChalathip Thumkanon
12352Coalescing ContinentsSohel Hafiz
Md. Arifuzzaman Arif
12353Fence MakingShahriar Manzoor
Derek Kisman
Jane Alam Jan
12354Paths in a TreeJane Alam Jan
Derek Kisman
12355Consecutive SumsShahriar Manzoor
Derek Kisman
12367Binary MatrixMd. Arifuzzaman Arif
Jane Alam Jan
Md. Mahbubul Hasan
12368CandlesShahriar Manzoor
Jane Alam Jan
Sohel Hafiz
12369CardsSohel Hafiz
Jane Alam Jan
Md. Mahbubul Hasan
12370Game of ConnectAbdullah-al-Mahmud (Satej)
Md. Mahbubul Hasan
12371GuardsJane Alam Jan
Md. Arifuzzaman Arif
12372Packing for HolidayMd. Arifuzzaman Arif
Jane Alam Jan
Sohel Hafiz
12373Pair of Touching CirclesMd. Towhidul Islam Talukder
Jane Alam Jan
Md. Arifuzzaman Arif
12374Treasure HuntShahriar Manzoor
Rujia Liu
12375Truchet TilingMonirul Hasan
Jane Alam Jan
12376As Long as I Learn, I LiveJane Alam Jan
Md. Arifuzzaman Arif
Md. Towhidul Islam Talukder
12403Save SetuJane Alam Jan
Sohel Hafiz
12404Trapezium DrawingMd. Towhidul Islam Talukder
Shahriar Rouf Nafi
12405ScarecrowSohel Hafiz
Jane Alam Jan
12406Help DexterJane Alam Jan
Md. Mahbubul Hasan
Sohel Hafiz
12407Speed ZonesShahriar Rouf Nafi
Tanaeem Md. Moosa
12408Multi Round MatchesShahriar Manzoor
Sabbir Yousuf Sanny
12409Kisu Pari Na - 1Md. Mahbubul Hasan
Jane Alam Jan
12410Disable the WandAnindya Das
Jane Alam Jan
12412A Typical Homework (a.k.a Shi Xiong Bang Bang Mang)Rujia Liu
12413Big Decimal CalculatorRujia Liu
12414Calculating Yuan FenRujia Liu
12415Digit PatternsRujia Liu
12416Excessive Space RemoverRujia Liu
12417Formula EditorRujia Liu
12418Game of 999Rujia Liu
12419Heap ManagerRujia Liu
12420Item-Based RecommendationRujia Liu
12421(Jiandan) Mua (I) - Lexical AnalyzerRujia Liu
12422(Kengdie) Mua (II) - Expression EvaluatorRujia Liu
12423(Last) Mua(III) - Full InterpreterRujia Liu
12424Answering Queries on a TreeTasnim Imran Sunny
Muntasir Mashuq
Tanaeem Md. Moosa
12425Best FriendHasnain Heickal Jami
Anindya Das
12426Counting TrianglesTasnim Imran Sunny
Shahriar Rouf Nafi
12427Donkey of the SultanMd. Mahbubul Hasan
Tasnim Imran Sunny
12428Enemy at the GatesTasnim Imran Sunny
Shahriar Rouf Nafi
12429Finding Magic TripletsAnindya Das
Kazi Rakibul Hossain
Tasnim Imran Sunny
12430Grand WeddingShihabur Rahman Chowdhury
Md. Mahbubul Hasan
12431Happy 10/9 DayMd. Mahbubul Hasan
Anindya Das
12432Inked CarpetsAnindya Das
Hasnain Heickal Jami
12433Rent a CarJane Alam Jan
Antony Stabile
Derek Kisman
12434Infinite Stable IntegerBin Jin
Rujia Liu
12435Consistent VerdictsShahriar Manzoor
Jane Alam Jan
12436Rip Van Winkle's CodeAnindya Das
Jane Alam Jan
Tanaeem Md. Moosa
12437Kisu Pari Na 2Md. Mahbubul Hasan
Jane Alam Jan
12438Farey PolygonShahriar Manzoor
Derek Kisman
12439February 29Md. Arifuzzaman Arif
Jane Alam Jan
12440Save the TreesJane Alam Jan
Md. Arifuzzaman Arif
Md. Mahbubul Hasan
12441Superb SequenceAnindya Das
Jane Alam Jan
12442Forwarding EmailsZachary J. Wheeler
Jane Alam Jan
12443QuadTanaeem Md. Moosa
Jane Alam Jan
12444Bits and PiecesDarko Aleksic
Howard Cheng
12445Happy 12Darko Aleksic
Howard Cheng
12446How Many... in 3D!Darko Aleksic
Howard Cheng
12447Pieces and BitsJaehyun Park
Howard Cheng
12448Casino AdvantageHoward Cheng
12449Night MarketSean McIntyre
Howard Cheng
12450SpaceRecon TournamentSean McIntyre
Howard Cheng
12451Let's call SPaDe a SPaDePeter Høyer
Darko Aleksic
Howard Cheng
12452Plants vs. Zombies HD SPPeter Høyer
Darko Aleksic
Howard Cheng
12453Simulating Billiard BallShahriar Manzoor
Derek Kisman
12471Association of StringsKazi Rakibul Hossain
Jane Alam Jan
12472Binary SubstringSohel Hossain Kabir
Kazi Rakibul Hossain
12473Common PalindromeAnindya Das
Md. Moshiur Rahman
12474Draw and ScoreMd. Moshiur Rahman
Tasnim Imran Sunny
12475Elliptic Athletics TrackMir Wasi Ahmed
Anindya Das
Md. Mahbubul Hasan
12476Fun with Binary TreeAbu Obaida Opu
Kazi Rakibul Hossain
Md. Moshiur Rahman
12477Good Measures of DispersionAnindya Das
Mir Wasi Ahmed
Tasnim Imran Sunny
12478Hardest Problem Ever (Easy)Abu Obaida Opu
Mir Wasi Ahmed
Tasnim Imran Sunny
12479Interesting RouteMd. Shiplu Hawlader
Kazi Rakibul Hossain
12480Just Some PermutationsTasnim Imran Sunny
Mir Wasi Ahmed
12481K-Neutral RectanglesMd. Shiplu Hawlader
Md. Moshiur Rahman
12494Distinct SubstringTasnim Imran Sunny
Kazi Rakibul Hossain
12495'C' for CountAnindya Das
Md. Mahbubul Hasan
12496Fisherman's DilemmaMir Wasi Ahmed
Abu Obaida Opu
12497Chatgaiya Postman ProblemMd. Shiplu Hawlader
Md. Mahbubul Hasan
12498Ant's Shopping MallKazi Rakibul Hossain
Md. Towhidul Islam Talukder
12499I am Dumb 3Md. Mahbubul Hasan
Jane Alam Jan
12500Balance the BlocksAbu Obaida Opu
Md. Mahbubul Hasan
12501Bulky process of bulk reductionMd. Mahbubul Hasan
Abu Obaida Opu
12502Three FamiliesRujia Liu
Feng Chen
Md. Mahbubul Hasan
Youzhi Bao
12503Robot InstructionsRujia Liu
Feng Chen
Md. Mahbubul Hasan
12504Updating a DictionaryRujia Liu
12505Searching in sqrt(n)Rujia Liu
12506Shortest NamesRujia Liu
12507KingdomsRujia Liu
12508Triangles in the GridRujia Liu
12509Tin Cutter IIRujia Liu
12510Collecting CoinsRujia Liu
12511VirusRujia Liu
12512Cross-Shaped TestsRujia Liu
12513Safe PlacesRujia Liu
12534Binary Matrix 2Md. Arifuzzaman Arif
Jane Alam Jan
Rujia Liu
12535Probability Through ExperimentsShahriar Manzoor
Derek Kisman
12536Optimal SpacewayShahriar Manzoor
Derek Kisman
12537RadiationShahriar Manzoor
Derek Kisman
12538Version Controlled IDERujia Liu
Derek Kisman
12539Ultimate DeviceJane Alam Jan
Md. Towhidul Islam Talukder
12544BeehivesJane Alam Jan
Md. Mahbubul Hasan
12545Bits EqualizerSohel Hafiz
Jane Alam Jan
12546LCM Pair SumMd. Towhidul Islam Talukder
Md. Mahbubul Hasan
12547RNA Secondary StructureSohel Hafiz
Rujia Liu
12548Old School DaysMd. Mahbubul Hasan
Derek Kisman
12554A Special "Happy Birthday" Song!!!Rujia Liu
12555Baby MeRujia Liu
12556"Center" of perimeter midpointsRujia Liu
12557Detecting Code SnippetsRujia Liu
12558Egyptian Fractions (HARD version)Rujia Liu
12559Finding Black CirclesRujia Liu
12560Good FriendsRujia Liu
12561Hadamard GateRujia Liu
12562In an effort to Change HistoryRujia Liu
12563Jin Ge Jin Qu haoRujia Liu
12564King of Fighters explainedRujia Liu
12565Lovely Magical CurvesRujia Liu
12566Melody "Creation"Rujia Liu
12567Never7, Ever17 and WaterRujia Liu
12568Optimizing Key SignaturRujia Liu
12569Planning mobile robot on Tree (EASY Version)Rujia Liu
12570Qualle? Quale?Rujia Liu
12571Brother & Sisters!Muhammed Hedayet
Kazi Rakibul Hossain
12572RMQ OverkillPratyai Mazumder
Mohammad Hafiz Uddin
12573Sohel Sir's AssignmentMohammad Hafiz Uddin
Radi Muhammad Reza
12574VOIDF. A. Rezaur Rahman Chowdhury
Prasanjit Barua Linkin
12575Sin Cos ProblemMuhammad Ridowan
Zobayer Hasan
12576Simply LoopyMomontho Mashak Monmoy
Md. Shiplu Hawlader
Muhammad Ridowan
12577Hajj-e-AkbarMohammed Shamsul Alam
Tanveer Ahsan
1257810:6:2Kaysar Abdullah
12579To Infinity and BeyondShafaet Ashraf
Md. Shiplu Hawlader
12580Yell ClassicoBidhan Roy
Hasnain Heickal Jami
12581DivisibilityAbdullah-al-Mahmud (Satej)
Derek Kisman
12582Wedding of SultanMd. Mahbubul Hasan
Jane Alam Jan
12583Memory OverflowMohammad Mahmudur Rahman
Shahriar Manzoor
12584Laptop ChargersShahriar Manzoor
Derek Kisman
Rujia Liu
12585Poker End GamesTanaeem Md. Moosa
Md. Mahbubul Hasan
12586Overlapping CharactersShahriar Manzoor
Monirul Hasan
12587Reduce the Maintenance CostJane Alam Jan
Md. Mahbubul Hasan
12588Team Mathematics OlympiadRujia Liu
Md. Mahbubul Hasan
12589Learning VectorMd. Mahbubul Hasan
Sohel Hafiz
12590Guards IIDerek Kisman
Md. Arifuzzaman Arif
12591Beauty of Regular PolyhedronMd. Mahbubul Hasan
Jane Alam Jan
12592Slogan Learning of PrincessMd. Mahbubul Hasan
12593Next Generation MacawAnindya Das
Hasnain Heickal Jami
Md. Mahbubul Hasan
12594Naming BabiesHasnain Heickal Jami
Md. Mahbubul Hasan
12595Galactic TransmissionIqram Mahmud
Md. Shiplu Hawlader
12596Recursive TextingAnna Fariha
Md. Shiplu Hawlader
Md. Mahbubul Hasan
12597Macaw Baby Learns ComputerShahriar Manzoor
Md. Mahbubul Hasan
12598Starting SchoolHasnain Heickal Jami
Md. Mahbubul Hasan
12599Black and WhiteMd. Mahbubul Hasan
Md. Shiplu Hawlader
12600Counting NecklacesTasnim Imran Sunny
Md. Mahbubul Hasan
Tanaeem Md. Moosa
12601Toll Management IIMd. Shiplu Hawlader
Md. Mahbubul Hasan
12602Nice Licence PlatesDarko Aleksic
12603Bouncing Bowling BallPeter Høyer
12604Caesar CipherPeter Høyer
12605Ripple EffectDarko Aleksic
12606Evaluating Logic ExpressionsHoward Cheng
12607Amazing MazeDarko Aleksic
12608Garbage CollectionDarko Aleksic
12609Sequential ThinkingDarko Aleksic
12610Attractive GridKazi Rakibul Hossain
Tasnim Imran Sunny
12611Beautiful FlagMd. Towhidul Islam Talukder
Anna Fariha
12612Cube KillerF. A. Rezaur Rahman Chowdhury
12613Distinct Substring 2Tasnim Imran Sunny
F. A. Rezaur Rahman Chowdhury
12614Earn For FutureAbu Obaida Opu
Md. Towhidul Islam Talukder
12615Fantastic NetworkAnindya Das
Md. Shiplu Hawlader
12616Gymman vs FilaF. A. Rezaur Rahman Chowdhury
Md. Shiplu Hawlader
12617How LaderAnna Fariha
Md. Mahbubul Hasan
12618I Puzzle YouMd. Shiplu Hawlader
Abu Obaida Opu
12619Just Make A WishHasnain Heickal Jami
Tasnim Imran Sunny
12627Erratic ExpansionSohel Hafiz
Md. Mahbubul Hasan
12628Two Triangles in 3DRujia Liu
Md. Mahbubul Hasan
Shahriar Manzoor
12629Rectangle XOR GameRujia Liu
Md. Mahbubul Hasan
Yubin Wang
12630Equilateral Triangle in a Triangle GridEric Schmidt
Shahriar Manzoor
12631Chocolate and MoneyMd. Mahbubul Hasan
Hasnain Heickal Jami
Jane Alam Jan
12632Sum of TotativesShahriar Manzoor
Derek Kisman
Muhammed Hedayet
12633Super Rooks on ChessboardTasnim Imran Sunny
Md. Mahbubul Hasan
12634Pairing Boys and GirlsMd. Mahbubul Hasan
Tasnim Imran Sunny
12635Bisection MethodShahriar Manzoor
Md. Mahbubul Hasan
12636Disguised GiveawayJane Alam Jan
Anton Lunyov
Md. Mahbubul Hasan
Rujia Liu
12699See Emily PlayPratyai Mazumder
Md. Mahbubul Hasan
Prasanjit Barua Linkin
12700BanglawashMohammed Shamsul Alam
Tanveer Ahsan
12701The Twin Head DragonSakib Hasan Sauro
Ashiqul Mostofa
12702DilationMd. Azher Uddin
Tanveer Ahsan
12703Little RakinMohammad Hafiz Uddin
Md. Amjad Hossain Rahat
12704Little MastersKaysar Abdullah
12705Breaking BoardKaysar Abdullah
Prasanjit Barua Linkin
12706Zero-Knowledge ProtocolPrasanjit Barua Linkin
Mohammad Hafiz Uddin
12707Block MehF. A. Rezaur Rahman Chowdhury
Pratyai Mazumder
12708GCD The LargestMuhammad Ridowan
12709Falling AntsShahriar Manzoor
Md. Mahbubul Hasan
Monirul Hasan
12710Game of MJHasnain Heickal Jami
Md. Shiplu Hawlader
12711Game of ThroneMd. Shiplu Hawlader
Md. Mahbubul Hasan
Rujia Liu
12712Pattern LockerMonirul Hasan
Md. Mahbubul Hasan
Shahriar Manzoor
12713Pearl ChainsAbdullah-al-Mahmud (Satej)
Tasnim Imran Sunny
12714Two Points RevisitedMd. Mahbubul Hasan
Hasnain Heickal Jami
Mir Wasi Ahmed
12715Watching the KangarooMd. Mahbubul Hasan
Md. Shiplu Hawlader
Md. Towhidul Islam Talukder
12716GCD XORTasnim Imran Sunny
Hasnain Heickal Jami
Md. Shiplu Hawlader
12717FiascoMir Wasi Ahmed
Derek Kisman
Md. Mahbubul Hasan
12718Dromicpalin SubstringsSohel Hafiz
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12719Fill the CuboidRujia Liu
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12720Algorithm of PhilDuhan Caraciolo
12721Cheap B-SubsequenceGustavo Stor
12722Cryptography of the Floating KeyGustavo Stor
12723Dudu, the PossumGustavo Stor
Lucas Lima
12724Hnelpig ArndeMário Henrique
12725Fat and OrialGustavo Stor
12726One Friend at a TimeMário Henrique
12727The Sightseeing TourDavi Duarte Pinheiro
12728Super CircumferenceDavi Duarte Pinheiro
12729Squares GameLuiz Afonso
12730Skyrk's BarDavi Duarte Pinheiro
12731Mysterious Space StationRujia Liu
Md. Mahbubul Hasan
Renshen Wang
12732Guess the Fake CoinRujia Liu
Md. Mahbubul Hasan
12733Guess the Fake Coin IIRujia Liu
Md. Mahbubul Hasan
Yubin Wang
12734Guess the StringRujia Liu
Md. Mahbubul Hasan
12735Guess the Missing NumberRujia Liu
Md. Mahbubul Hasan
12736Guess the Convex PolygonRujia Liu
Yiming Li
Md. Mahbubul Hasan
Yubin Wang
12737Team star, Team moonRujia Liu
Yiming Li
Ziqing Mao
12738Explore the DuneRujia Liu
Xiaohui Bei
Md. Mahbubul Hasan
12739Xmas GiftRujia Liu
Md. Mahbubul Hasan
12740Stone AgeRujia Liu
12741Weights of ToysRujia Liu
Md. Mahbubul Hasan
Tiancheng Lou
12742Mining in StarcraftRujia Liu
Wenjie Qian
Lijie Chen
Md. Mahbubul Hasan
Yubin Wang
12760Arcurve's Big ProjectPeter Høyer
12761Blue ChipsDarcy Best
12762Counting P-HullsDarcy Best
12763Dicey DicePeter Høyer
12764Exercising EmoticonsPeter Høyer
12765Factorial ProductsPeter Høyer
12766Grinding GridPeter Høyer
12767Harvesting CropsHoward Cheng
12768Inspired ProcrastinationDarcy Best
12769Kool KonstructionsDarcy Best
12771Meeting Point of CirclesJosh Bao
12818Arc and PointRujia Liu
Md. Mahbubul Hasan
12819Block ToyRujia Liu
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12820Cool WordRujia Liu
Feng Chen
Md. Mahbubul Hasan
12821Double Shortest PathsRujia Liu
Feng Chen
Md. Mahbubul Hasan
12822Extraordinarily large LEDRujia Liu
Feng Chen
Md. Mahbubul Hasan
12823Four coloring of a mapRujia Liu
Feng Chen
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12824Giving directions to the treeRujia Liu
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12825Happy RobotRujia Liu
Feng Chen
Md. Mahbubul Hasan
12826Incomplete ChessboardRujia Liu
Feng Chen
Md. Mahbubul Hasan
12827Just another pachinko-like machineRujia Liu
Md. Mahbubul Hasan
12828Kick the ball!Rujia Liu
Md. Mahbubul Hasan
12829Just another pachinko-like machine (II)Rujia Liu
Md. Mahbubul Hasan
12830A Football StadiumAnna Fariha
Mohammad Hafiz Uddin
Zobayer Hasan
12831Bob the BuilderShafaet Ashraf
Md. Shiplu Hawlader
12832Chicken LoverMohammad Hafiz Uddin
F. A. Rezaur Rahman Chowdhury
12833Daily PotatoF. A. Rezaur Rahman Chowdhury
Abu Obaida Opu
12834Extreme TerrorAbdullah Al Raqibul Islam
Shafaet Ashraf
12835Fitting Pipes AgainZobayer Hasan
Md. Arifuzzaman Arif
12836Gain Battle PowerAnindya Das
Mohammad Hafiz Uddin
12837Hasmot Ali ProfessorForhad Ahmed
Abu Obaida Opu
12838Identity RedemptionMd. Shiplu Hawlader
12839Judge in QueueAbu Obaida Opu
12929Aerial TramwayRujia Liu
Feng Chen
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12930Bigger or SmallerRujia Liu
Feng Chen
Md. Mahbubul Hasan
12931Common AreaRujia Liu
Feng Chen
Md. Mahbubul Hasan
12932Defeat the Wrong ProgramRujia Liu
Feng Chen
Md. Mahbubul Hasan
12933Easy Graph Problem?Rujia Liu
Feng Chen
Md. Mahbubul Hasan
12934Factorial DivisionRujia Liu
Feng Chen
Md. Mahbubul Hasan
12935Graph GuessingRujia Liu
Md. Mahbubul Hasan
Md. Shiplu Hawlader
12936HeheRujia Liu
Feng Chen
Md. Mahbubul Hasan
12937Internet of Lights and SwitchesRujia Liu
Feng Chen
Md. Mahbubul Hasan
12938Just Another Easy ProblemRujia Liu
Feng Chen
Md. Mahbubul Hasan
12939Keep Fit!Rujia Liu
Md. Mahbubul Hasan
12993Morphing BitmapsMonirul Hasan
Muhammed Hedayet
12994Palindromic BasesHasnain Heickal Jami
Muhammad Ridowan
12995Farey SequenceShahriar Manzoor
Syed Shahriar Manjur
12996Ultimate Mango ChallengeHasnain Heickal Jami
Md. Shiplu Hawlader
12997Train StationMd. Mahbubul Hasan
Zobayer Hasan
12998Tree WeightsHasnain Heickal Jami
Muhammad Ridowan
12999Defense PlanZobayer Hasan
Md. Shiplu Hawlader
13000VIP TreatmentMuhammad Ridowan
Md. Shiplu Hawlader
13001Jumping FrogsMuhammed Hedayet
Hasnain Heickal Jami
13002Just Some Permutation 5Md. Shiplu Hawlader
Tasnim Imran Sunny
Syed Shahriar Manjur
13003Toll Management (III)Md. Shiplu Hawlader
Monirul Hasan