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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4402336

1054Tower of HanoiNEERC 2000 Central Subregional2313638

1055CombinationsNEERC 2000 Central Subregional3568414

1056Centers of the NetNEERC 2000 Central Subregional2706545

1057Amount of DegreesNEERC 2000 Central Subregional2085707

1058ChocolateNEERC 2000 Central Subregional5192793

1059ExpressionNEERC 2000 Central Subregional2216665

1133Fibonacci SequenceNEERC 2001 Central Subregional2201222

1134CardsNEERC 2001 Central Subregional2522194

1135RecruitsNEERC 2001 Central Subregional3038161

1136ParliamentNEERC 2001 Central Subregional494999

1137Bus RoutesNEERC 2001 Central Subregional1508324

1138Integer PercentageNEERC 2001 Central Subregional2438201

1139City BlocksNEERC 2001 Central Subregional635977

1140Swamp IncidentNEERC 2001 Central Subregional1300375

1158Censored!NEERC 2001 Northern Subregional965505

1159FenceNEERC 2001 Northern Subregional647749

1160NetworkNEERC 2001 Northern Subregional3264152

1161StripiesNEERC 2001 Northern Subregional539091

1162Currency ExchangeNEERC 2001 Northern Subregional2342209

1163ChapaevNEERC 2001 Northern Subregional1054280

1164FillwordNEERC 2001 Northern Subregional2407204

1165SubnumberNEERC 2001 Northern Subregional528915

1166Funny Card GameNEERC 2001 Northern Subregional1323549

1224SpiralNEERC 2002 Central Subregional751566

1225FlagsNEERC 2002 Central Subregional1402335

1226esreveR redrONEERC 2002 Central Subregional4402113

1227Rally ChampionshipNEERC 2002 Central Subregional1653299

1228ArrayNEERC 2002 Central Subregional4644107

1229Strong BrickworkNEERC 2002 Central Subregional1301380

1230Introspective ProgramNEERC 2002 Central Subregional650755

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2222147

1232Asteroid LandingNEERC 2002 Central Subregional2022349

1274Fractional ArithmeticNEERC 2003 Central Subregional723688

1275Knights of the Round TableNEERC 2003 Central Subregional2002402

1276TrainNEERC 2003 Central Subregional679732

1277Cops and ThievesNEERC 2003 Central Subregional628790

1278“… Connecting People”NEERC 2003 Central Subregional502985

1279WarehouseNEERC 2003 Central Subregional1188421

1280Topological SortingNEERC 2003 Central Subregional3551142

1281River BasinNEERC 2003 Central Subregional3501401

1282Game TreeNEERC 2003 Central Subregional1490336

1500Pass LicensesNEERC 2006 Eastern Subregional740633

1501Sense of BeautyNEERC 2006 Eastern Subregional1781265

1502Domino DotsNEERC 2006 Eastern Subregional645373

1503PolynomialNEERC 2006 Eastern Subregional2621746

1504Good MannersNEERC 2006 Eastern Subregional2032230

1505Oil TransferNEERC 2006 Eastern Subregional1532913

1506Columns of NumbersNEERC 2006 Eastern Subregional3346142

1507Difficult DecisionNEERC 2006 Eastern Subregional1066441

1508Japanese PuzzleNEERC 2006 Eastern Subregional2781649

1509Domino RecognitionNEERC 2006 Eastern Subregional1253518

1510OrderNEERC 2006 Eastern Subregional546087

1582BookmakersNEERC 2007 Eastern Subregional3643121

1583CheeseNEERC 2007 Eastern Subregional2241882

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3151355

1585PenguinsNEERC 2007 Eastern Subregional1159038

1586Threeprime NumbersNEERC 2007 Eastern Subregional3045144

1587Flying PigNEERC 2007 Eastern Subregional535808

1588JamaicaNEERC 2007 Eastern Subregional1354323

1589SokobanNEERC 2007 Eastern Subregional1716308

1590Bacon’s CipherNEERC 2007 Eastern Subregional2310190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051061

1592Chinese WatchesNEERC 2007 Eastern Subregional725599

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487020

1650BillionairesNEERC 2008 Eastern Subregional2105193

1651Shortest SubchainNEERC 2008 Eastern Subregional1174344

1652Banking CrisisNEERC 2008 Eastern Subregional1392732

1653Death ConveyorNEERC 2008 Eastern Subregional506786

1654Cipher MessageNEERC 2008 Eastern Subregional694859

1655Somali PiratesNEERC 2008 Eastern Subregional2071876

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2001202

1657Cube SnakeNEERC 2008 Eastern Subregional2601508

1658Sum of DigitsNEERC 2008 Eastern Subregional2044198

1659Regular TrianglesNEERC 2008 Eastern Subregional622644

1711Code NamesNEERC 2009 Eastern Subregional2886131

1712Cipher GrilleNEERC 2009 Eastern Subregional452983

1713Key SubstringsNEERC 2009 Eastern Subregional601619

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093177

1715Another Ball KillerNEERC 2009 Eastern Subregional3671003

1716Alternative SolutionNEERC 2009 Eastern Subregional489758

1717Eligibility RulesNEERC 2009 Eastern Subregional1632185

1718RejudgeNEERC 2009 Eastern Subregional1247301

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2431494

1720Summit Online JudgeNEERC 2009 Eastern Subregional376979

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional652571

1800Murphy's LawNEERC 2010 Eastern Subregional2036170

1801The Revolution CupNEERC 2010 Eastern Subregional535507

1802Cube PuzzleNEERC 2010 Eastern Subregional1572077

1803The Czechs' RiflesNEERC 2010 Eastern Subregional468726

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional867396

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional344980

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1720201

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301446

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711917

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional587581

1885Passenger ComfortNEERC 2011 Eastern Subregional1610197

1886Trip 2NEERC 2011 Eastern Subregional1442070

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2921056

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional700449

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1075294

1890Money out of Thin AirNEERC 2011 Eastern Subregional696452

1891Language OceanNEERC 2011 Eastern Subregional460678

1892Morning in KoltsovoNEERC 2011 Eastern Subregional358866

1893A380NEERC 2011 Eastern Subregional552658

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2011511

1895Steaks on BoardNEERC 2011 Eastern Subregional1402125

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional883433

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564429

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281228

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1491838

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional574363

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1373211

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803248

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1275227

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional310913

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342030

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional409698

1990PodracingNEERC 2013 Eastern Subregional2481030

1991The battle near the swampNEERC 2013 Eastern Subregional580346

1992CVSNEERC 2013 Eastern Subregional698375

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1356195

1994The Emperor's planNEERC 2013 Eastern Subregional2481030

1995Illegal spicesNEERC 2013 Eastern Subregional445584

1996Cipher Message 3NEERC 2013 Eastern Subregional2091214

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional490532

1998The old PadawanNEERC 2013 Eastern Subregional739355

1999The secret moduleNEERC 2013 Eastern Subregional296815

2012About Grisha N.NEERC 2014 Eastern Subregional1475016

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251926

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional448528

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional826289

2016Magic and ScienceNEERC 2014 Eastern Subregional198331

2017Best of a bad lotNEERC 2014 Eastern Subregional1751306

2018The Debut AlbumNEERC 2014 Eastern Subregional2388101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional869275

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1599150

2021Scarily interesting!NEERC 2014 Eastern Subregional547434

2022Riding a ToadNEERC 2014 Eastern Subregional573606

2023Donald is a postmanNEERC 2014 Eastern Subregional645037

2074Timus problems classifierQualification of Eastern Subregional 2015207961

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015652781

2076VasianaQualification of Eastern Subregional 2015168022

2077ReductionsQualification of Eastern Subregional 2015177725