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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4270322

1054Tower of HanoiNEERC 2000 Central Subregional2091655

1055CombinationsNEERC 2000 Central Subregional3437399

1056Centers of the NetNEERC 2000 Central Subregional2586530

1057Amount of DegreesNEERC 2000 Central Subregional1954701

1058ChocolateNEERC 2000 Central Subregional4772821

1059ExpressionNEERC 2000 Central Subregional2154636

1133Fibonacci SequenceNEERC 2001 Central Subregional2086218

1134CardsNEERC 2001 Central Subregional2535180

1135RecruitsNEERC 2001 Central Subregional2811162

1136ParliamentNEERC 2001 Central Subregional461399

1137Bus RoutesNEERC 2001 Central Subregional1328342

1138Integer PercentageNEERC 2001 Central Subregional2293199

1139City BlocksNEERC 2001 Central Subregional592777

1140Swamp IncidentNEERC 2001 Central Subregional1235368

1158Censored!NEERC 2001 Northern Subregional913497

1159FenceNEERC 2001 Northern Subregional622726

1160NetworkNEERC 2001 Northern Subregional1941239

1161StripiesNEERC 2001 Northern Subregional503791

1162Currency ExchangeNEERC 2001 Northern Subregional1244366

1163ChapaevNEERC 2001 Northern Subregional2261943

1164FillwordNEERC 2001 Northern Subregional2303198

1165SubnumberNEERC 2001 Northern Subregional507887

1166Funny Card GameNEERC 2001 Northern Subregional1253489

1224SpiralNEERC 2002 Central Subregional693767

1225FlagsNEERC 2002 Central Subregional1257237

1226esreveR redrONEERC 2002 Central Subregional4188111

1227Rally ChampionshipNEERC 2002 Central Subregional1507306

1228ArrayNEERC 2002 Central Subregional4458104

1229Strong BrickworkNEERC 2002 Central Subregional1236373

1230Introspective ProgramNEERC 2002 Central Subregional622735

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2092122

1232Asteroid LandingNEERC 2002 Central Subregional1862371

1274Fractional ArithmeticNEERC 2003 Central Subregional679684

1275Knights of the Round TableNEERC 2003 Central Subregional1672664

1276TrainNEERC 2003 Central Subregional600773

1277Cops and ThievesNEERC 2003 Central Subregional595779

1278“… Connecting People”NEERC 2003 Central Subregional476970

1279WarehouseNEERC 2003 Central Subregional1136411

1280Topological SortingNEERC 2003 Central Subregional3289143

1281River BasinNEERC 2003 Central Subregional3281395

1282Game TreeNEERC 2003 Central Subregional1400334

1500Pass LicensesNEERC 2006 Eastern Subregional691628

1501Sense of BeautyNEERC 2006 Eastern Subregional1656264

1502Domino DotsNEERC 2006 Eastern Subregional594374

1503PolynomialNEERC 2006 Eastern Subregional2441733

1504Good MannersNEERC 2006 Eastern Subregional1872234

1505Oil TransferNEERC 2006 Eastern Subregional1472803

1506Columns of NumbersNEERC 2006 Eastern Subregional2856154

1507Difficult DecisionNEERC 2006 Eastern Subregional1008432

1508Japanese PuzzleNEERC 2006 Eastern Subregional2631612

1509Domino RecognitionNEERC 2006 Eastern Subregional1183438

1510OrderNEERC 2006 Eastern Subregional501488

1582BookmakersNEERC 2007 Eastern Subregional3462116

1583CheeseNEERC 2007 Eastern Subregional2101833

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3061276

1585PenguinsNEERC 2007 Eastern Subregional1010740

1586Threeprime NumbersNEERC 2007 Eastern Subregional2699149

1587Flying PigNEERC 2007 Eastern Subregional498794

1588JamaicaNEERC 2007 Eastern Subregional1271315

1589SokobanNEERC 2007 Eastern Subregional921221

1590Bacon’s CipherNEERC 2007 Eastern Subregional1887213

1591Abstract ThinkingNEERC 2007 Eastern Subregional3851021

1592Chinese WatchesNEERC 2007 Eastern Subregional676588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446812

1650BillionairesNEERC 2008 Eastern Subregional1006362

1651Shortest SubchainNEERC 2008 Eastern Subregional1065342

1652Banking CrisisNEERC 2008 Eastern Subregional1322590

1653Death ConveyorNEERC 2008 Eastern Subregional456688

1654Cipher MessageNEERC 2008 Eastern Subregional627259

1655Somali PiratesNEERC 2008 Eastern Subregional1791946

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1844198

1657Cube SnakeNEERC 2008 Eastern Subregional2471431

1658Sum of DigitsNEERC 2008 Eastern Subregional1567233

1659Regular TrianglesNEERC 2008 Eastern Subregional589614

1711Code NamesNEERC 2009 Eastern Subregional2682125

1712Cipher GrilleNEERC 2009 Eastern Subregional424679

1713Key SubstringsNEERC 2009 Eastern Subregional560591

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062903

1715Another Ball KillerNEERC 2009 Eastern Subregional333982

1716Alternative SolutionNEERC 2009 Eastern Subregional433760

1717Eligibility RulesNEERC 2009 Eastern Subregional1262476

1718RejudgeNEERC 2009 Eastern Subregional1179283

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2301403

1720Summit Online JudgeNEERC 2009 Eastern Subregional355923

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional605548

1800Murphy's LawNEERC 2010 Eastern Subregional1660182

1801The Revolution CupNEERC 2010 Eastern Subregional485235

1802Cube PuzzleNEERC 2010 Eastern Subregional1501898

1803The Czechs' RiflesNEERC 2010 Eastern Subregional447664

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional826363

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional330893

1806Mobile TelegraphsNEERC 2010 Eastern Subregional667448

1807Cartridges for MaximNEERC 2010 Eastern Subregional2151349

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611776

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional547545

1885Passenger ComfortNEERC 2011 Eastern Subregional1374198

1886Trip 2NEERC 2011 Eastern Subregional1351887

1887Frequent Flyer CardNEERC 2011 Eastern Subregional265995

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional635424

1889Airport AnnouncementsNEERC 2011 Eastern Subregional985275

1890Money out of Thin AirNEERC 2011 Eastern Subregional598450

1891Language OceanNEERC 2011 Eastern Subregional432619

1892Morning in KoltsovoNEERC 2011 Eastern Subregional339784

1893A380NEERC 2011 Eastern Subregional495955

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1451765

1895Steaks on BoardNEERC 2011 Eastern Subregional1192121

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional743733

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533895

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254929

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1411625

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474305

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1260193

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732956

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1189205

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional290818

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221859

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional390613

1990PodracingNEERC 2013 Eastern Subregional237879

1991The battle near the swampNEERC 2013 Eastern Subregional488044

1992CVSNEERC 2013 Eastern Subregional645331

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1202179

1994The Emperor's planNEERC 2013 Eastern Subregional233893

1995Illegal spicesNEERC 2013 Eastern Subregional419506

1996Cipher Message 3NEERC 2013 Eastern Subregional1971049

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional455467

1998The old PadawanNEERC 2013 Eastern Subregional686312

1999The secret moduleNEERC 2013 Eastern Subregional266030

2012About Grisha N.NEERC 2014 Eastern Subregional1147317

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional231794

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional396471

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional743254

2016Magic and ScienceNEERC 2014 Eastern Subregional177086

2017Best of a bad lotNEERC 2014 Eastern Subregional1561153

2018The Debut AlbumNEERC 2014 Eastern Subregional198696

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional789239

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1416134

2021Scarily interesting!NEERC 2014 Eastern Subregional500375

2022Riding a ToadNEERC 2014 Eastern Subregional503189

2023Donald is a postmanNEERC 2014 Eastern Subregional532536

2074Timus problems classifierQualification of Eastern Subregional 2015189784

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015482691

2076VasianaQualification of Eastern Subregional 2015136786

2077ReductionsQualification of Eastern Subregional 2015175781