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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4357331

1054Tower of HanoiNEERC 2000 Central Subregional2238643

1055CombinationsNEERC 2000 Central Subregional3516410

1056Centers of the NetNEERC 2000 Central Subregional2654543

1057Amount of DegreesNEERC 2000 Central Subregional2027710

1058ChocolateNEERC 2000 Central Subregional5102775

1059ExpressionNEERC 2000 Central Subregional2192657

1133Fibonacci SequenceNEERC 2001 Central Subregional2165221

1134CardsNEERC 2001 Central Subregional2472193

1135RecruitsNEERC 2001 Central Subregional2945163

1136ParliamentNEERC 2001 Central Subregional483299

1137Bus RoutesNEERC 2001 Central Subregional1444330

1138Integer PercentageNEERC 2001 Central Subregional2391200

1139City BlocksNEERC 2001 Central Subregional620377

1140Swamp IncidentNEERC 2001 Central Subregional1280372

1158Censored!NEERC 2001 Northern Subregional951500

1159FenceNEERC 2001 Northern Subregional636744

1160NetworkNEERC 2001 Northern Subregional2851170

1161StripiesNEERC 2001 Northern Subregional529491

1162Currency ExchangeNEERC 2001 Northern Subregional1952245

1163ChapaevNEERC 2001 Northern Subregional964536

1164FillwordNEERC 2001 Northern Subregional2377201

1165SubnumberNEERC 2001 Northern Subregional522904

1166Funny Card GameNEERC 2001 Northern Subregional1293546

1224SpiralNEERC 2002 Central Subregional728267

1225FlagsNEERC 2002 Central Subregional1353536

1226esreveR redrONEERC 2002 Central Subregional4343112

1227Rally ChampionshipNEERC 2002 Central Subregional1608301

1228ArrayNEERC 2002 Central Subregional4587106

1229Strong BrickworkNEERC 2002 Central Subregional1282377

1230Introspective ProgramNEERC 2002 Central Subregional638751

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2182135

1232Asteroid LandingNEERC 2002 Central Subregional1942387

1274Fractional ArithmeticNEERC 2003 Central Subregional700695

1275Knights of the Round TableNEERC 2003 Central Subregional1942418

1276TrainNEERC 2003 Central Subregional651746

1277Cops and ThievesNEERC 2003 Central Subregional614791

1278“… Connecting People”NEERC 2003 Central Subregional496975

1279WarehouseNEERC 2003 Central Subregional1170418

1280Topological SortingNEERC 2003 Central Subregional3464142

1281River BasinNEERC 2003 Central Subregional3461386

1282Game TreeNEERC 2003 Central Subregional1463335

1500Pass LicensesNEERC 2006 Eastern Subregional718636

1501Sense of BeautyNEERC 2006 Eastern Subregional1747264

1502Domino DotsNEERC 2006 Eastern Subregional630673

1503PolynomialNEERC 2006 Eastern Subregional2551748

1504Good MannersNEERC 2006 Eastern Subregional1962249

1505Oil TransferNEERC 2006 Eastern Subregional1512877

1506Columns of NumbersNEERC 2006 Eastern Subregional3163146

1507Difficult DecisionNEERC 2006 Eastern Subregional1044439

1508Japanese PuzzleNEERC 2006 Eastern Subregional2741631

1509Domino RecognitionNEERC 2006 Eastern Subregional1223509

1510OrderNEERC 2006 Eastern Subregional530987

1582BookmakersNEERC 2007 Eastern Subregional3584119

1583CheeseNEERC 2007 Eastern Subregional2191868

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3121329

1585PenguinsNEERC 2007 Eastern Subregional1116238

1586Threeprime NumbersNEERC 2007 Eastern Subregional2957144

1587Flying PigNEERC 2007 Eastern Subregional523803

1588JamaicaNEERC 2007 Eastern Subregional1323321

1589SokobanNEERC 2007 Eastern Subregional1219447

1590Bacon’s CipherNEERC 2007 Eastern Subregional2253189

1591Abstract ThinkingNEERC 2007 Eastern Subregional3951056

1592Chinese WatchesNEERC 2007 Eastern Subregional700603

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457162

1650BillionairesNEERC 2008 Eastern Subregional1736226

1651Shortest SubchainNEERC 2008 Eastern Subregional1126347

1652Banking CrisisNEERC 2008 Eastern Subregional1372680

1653Death ConveyorNEERC 2008 Eastern Subregional476911

1654Cipher MessageNEERC 2008 Eastern Subregional670959

1655Somali PiratesNEERC 2008 Eastern Subregional1971903

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1958200

1657Cube SnakeNEERC 2008 Eastern Subregional2581470

1658Sum of DigitsNEERC 2008 Eastern Subregional2000196

1659Regular TrianglesNEERC 2008 Eastern Subregional609636

1711Code NamesNEERC 2009 Eastern Subregional2817129

1712Cipher GrilleNEERC 2009 Eastern Subregional444082

1713Key SubstringsNEERC 2009 Eastern Subregional587610

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073113

1715Another Ball KillerNEERC 2009 Eastern Subregional360984

1716Alternative SolutionNEERC 2009 Eastern Subregional477748

1717Eligibility RulesNEERC 2009 Eastern Subregional1592155

1718RejudgeNEERC 2009 Eastern Subregional1228294

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2391463

1720Summit Online JudgeNEERC 2009 Eastern Subregional368963

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional635565

1800Murphy's LawNEERC 2010 Eastern Subregional1902174

1801The Revolution CupNEERC 2010 Eastern Subregional505539

1802Cube PuzzleNEERC 2010 Eastern Subregional1542027

1803The Czechs' RiflesNEERC 2010 Eastern Subregional457712

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional852386

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional342944

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1353244

1807Cartridges for MaximNEERC 2010 Eastern Subregional2271402

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1671878

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional574569

1885Passenger ComfortNEERC 2011 Eastern Subregional1540196

1886Trip 2NEERC 2011 Eastern Subregional1421997

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2841033

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional666449

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1056285

1890Money out of Thin AirNEERC 2011 Eastern Subregional682439

1891Language OceanNEERC 2011 Eastern Subregional449661

1892Morning in KoltsovoNEERC 2011 Eastern Subregional350843

1893A380NEERC 2011 Eastern Subregional530757

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1781615

1895Steaks on BoardNEERC 2011 Eastern Subregional1332123

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional845333

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534389

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2231187

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1451784

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional544321

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1343204

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773179

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1247220

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional304881

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1272018

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional400674

1990PodracingNEERC 2013 Eastern Subregional244982

1991The battle near the swampNEERC 2013 Eastern Subregional553345

1992CVSNEERC 2013 Eastern Subregional670367

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1321187

1994The Emperor's planNEERC 2013 Eastern Subregional244982

1995Illegal spicesNEERC 2013 Eastern Subregional436559

1996Cipher Message 3NEERC 2013 Eastern Subregional2041166

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional474515

1998The old PadawanNEERC 2013 Eastern Subregional720342

1999The secret moduleNEERC 2013 Eastern Subregional266928

2012About Grisha N.NEERC 2014 Eastern Subregional1375316

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional244885

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional427514

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional802277

2016Magic and ScienceNEERC 2014 Eastern Subregional188025

2017Best of a bad lotNEERC 2014 Eastern Subregional1671270

2018The Debut AlbumNEERC 2014 Eastern Subregional2213101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional849262

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1552144

2021Scarily interesting!NEERC 2014 Eastern Subregional534413

2022Riding a ToadNEERC 2014 Eastern Subregional533567

2023Donald is a postmanNEERC 2014 Eastern Subregional610437

2074Timus problems classifierQualification of Eastern Subregional 2015200909

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015572850

2076VasianaQualification of Eastern Subregional 2015167343

2077ReductionsQualification of Eastern Subregional 2015177071