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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4268321

1054Tower of HanoiNEERC 2000 Central Subregional2091654

1055CombinationsNEERC 2000 Central Subregional3431399

1056Centers of the NetNEERC 2000 Central Subregional2581530

1057Amount of DegreesNEERC 2000 Central Subregional1952700

1058ChocolateNEERC 2000 Central Subregional4732838

1059ExpressionNEERC 2000 Central Subregional2150636

1133Fibonacci SequenceNEERC 2001 Central Subregional2081218

1134CardsNEERC 2001 Central Subregional2530180

1135RecruitsNEERC 2001 Central Subregional2801163

1136ParliamentNEERC 2001 Central Subregional460599

1137Bus RoutesNEERC 2001 Central Subregional1323343

1138Integer PercentageNEERC 2001 Central Subregional2290199

1139City BlocksNEERC 2001 Central Subregional590977

1140Swamp IncidentNEERC 2001 Central Subregional1235367

1158Censored!NEERC 2001 Northern Subregional909498

1159FenceNEERC 2001 Northern Subregional622724

1160NetworkNEERC 2001 Northern Subregional1732267

1161StripiesNEERC 2001 Northern Subregional502691

1162Currency ExchangeNEERC 2001 Northern Subregional1113407

1163ChapaevNEERC 2001 Northern Subregional2261939

1164FillwordNEERC 2001 Northern Subregional2302198

1165SubnumberNEERC 2001 Northern Subregional507885

1166Funny Card GameNEERC 2001 Northern Subregional1213588

1224SpiralNEERC 2002 Central Subregional689967

1225FlagsNEERC 2002 Central Subregional1250437

1226esreveR redrONEERC 2002 Central Subregional4185111

1227Rally ChampionshipNEERC 2002 Central Subregional1506306

1228ArrayNEERC 2002 Central Subregional4457104

1229Strong BrickworkNEERC 2002 Central Subregional1235373

1230Introspective ProgramNEERC 2002 Central Subregional622734

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2092118

1232Asteroid LandingNEERC 2002 Central Subregional1862366

1274Fractional ArithmeticNEERC 2003 Central Subregional678684

1275Knights of the Round TableNEERC 2003 Central Subregional1662673

1276TrainNEERC 2003 Central Subregional599773

1277Cops and ThievesNEERC 2003 Central Subregional593780

1278“… Connecting People”NEERC 2003 Central Subregional471978

1279WarehouseNEERC 2003 Central Subregional1124415

1280Topological SortingNEERC 2003 Central Subregional3282143

1281River BasinNEERC 2003 Central Subregional3271396

1282Game TreeNEERC 2003 Central Subregional1398334

1500Pass LicensesNEERC 2006 Eastern Subregional688629

1501Sense of BeautyNEERC 2006 Eastern Subregional1651264

1502Domino DotsNEERC 2006 Eastern Subregional592474

1503PolynomialNEERC 2006 Eastern Subregional2291837

1504Good MannersNEERC 2006 Eastern Subregional1772348

1505Oil TransferNEERC 2006 Eastern Subregional1363007

1506Columns of NumbersNEERC 2006 Eastern Subregional2854153

1507Difficult DecisionNEERC 2006 Eastern Subregional1006432

1508Japanese PuzzleNEERC 2006 Eastern Subregional2501689

1509Domino RecognitionNEERC 2006 Eastern Subregional1073753

1510OrderNEERC 2006 Eastern Subregional500088

1582BookmakersNEERC 2007 Eastern Subregional3458116

1583CheeseNEERC 2007 Eastern Subregional2101828

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3061273

1585PenguinsNEERC 2007 Eastern Subregional1005340

1586Threeprime NumbersNEERC 2007 Eastern Subregional2687149

1587Flying PigNEERC 2007 Eastern Subregional498792

1588JamaicaNEERC 2007 Eastern Subregional1268315

1589SokobanNEERC 2007 Eastern Subregional921163

1590Bacon’s CipherNEERC 2007 Eastern Subregional1883212

1591Abstract ThinkingNEERC 2007 Eastern Subregional3841021

1592Chinese WatchesNEERC 2007 Eastern Subregional674588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional436918

1650BillionairesNEERC 2008 Eastern Subregional883411

1651Shortest SubchainNEERC 2008 Eastern Subregional1063342

1652Banking CrisisNEERC 2008 Eastern Subregional1322582

1653Death ConveyorNEERC 2008 Eastern Subregional446790

1654Cipher MessageNEERC 2008 Eastern Subregional621959

1655Somali PiratesNEERC 2008 Eastern Subregional1791940

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1841198

1657Cube SnakeNEERC 2008 Eastern Subregional2471427

1658Sum of DigitsNEERC 2008 Eastern Subregional1531238

1659Regular TrianglesNEERC 2008 Eastern Subregional589612

1711Code NamesNEERC 2009 Eastern Subregional2675125

1712Cipher GrilleNEERC 2009 Eastern Subregional423679

1713Key SubstringsNEERC 2009 Eastern Subregional559590

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062893

1715Another Ball KillerNEERC 2009 Eastern Subregional333978

1716Alternative SolutionNEERC 2009 Eastern Subregional428766

1717Eligibility RulesNEERC 2009 Eastern Subregional1262467

1718RejudgeNEERC 2009 Eastern Subregional1176283

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2301398

1720Summit Online JudgeNEERC 2009 Eastern Subregional354922

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional605546

1800Murphy's LawNEERC 2010 Eastern Subregional1658181

1801The Revolution CupNEERC 2010 Eastern Subregional485213

1802Cube PuzzleNEERC 2010 Eastern Subregional1491901

1803The Czechs' RiflesNEERC 2010 Eastern Subregional445664

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional826362

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional330889

1806Mobile TelegraphsNEERC 2010 Eastern Subregional575517

1807Cartridges for MaximNEERC 2010 Eastern Subregional2151344

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611768

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional546544

1885Passenger ComfortNEERC 2011 Eastern Subregional1371197

1886Trip 2NEERC 2011 Eastern Subregional1351878

1887Frequent Flyer CardNEERC 2011 Eastern Subregional263997

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional634423

1889Airport AnnouncementsNEERC 2011 Eastern Subregional982274

1890Money out of Thin AirNEERC 2011 Eastern Subregional593452

1891Language OceanNEERC 2011 Eastern Subregional432616

1892Morning in KoltsovoNEERC 2011 Eastern Subregional338782

1893A380NEERC 2011 Eastern Subregional493955

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1451757

1895Steaks on BoardNEERC 2011 Eastern Subregional1172144

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional737833

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533873

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254924

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1411616

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474281

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1260192

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732940

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1186204

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional289816

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221848

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional390610

1990PodracingNEERC 2013 Eastern Subregional237873

1991The battle near the swampNEERC 2013 Eastern Subregional484244

1992CVSNEERC 2013 Eastern Subregional641331

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1197179

1994The Emperor's planNEERC 2013 Eastern Subregional231895

1995Illegal spicesNEERC 2013 Eastern Subregional419503

1996Cipher Message 3NEERC 2013 Eastern Subregional1971042

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional455464

1998The old PadawanNEERC 2013 Eastern Subregional686310

1999The secret moduleNEERC 2013 Eastern Subregional265990

2012About Grisha N.NEERC 2014 Eastern Subregional1130717

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional231788

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional395469

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional743252

2016Magic and ScienceNEERC 2014 Eastern Subregional177031

2017Best of a bad lotNEERC 2014 Eastern Subregional1561144

2018The Debut AlbumNEERC 2014 Eastern Subregional196996

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional789238

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1414133

2021Scarily interesting!NEERC 2014 Eastern Subregional500372

2022Riding a ToadNEERC 2014 Eastern Subregional503164

2023Donald is a postmanNEERC 2014 Eastern Subregional527736

2074Timus problems classifierQualification of Eastern Subregional 2015189777

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015482664

2076VasianaQualification of Eastern Subregional 2015136719

2077ReductionsQualification of Eastern Subregional 2015175724