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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4372332

1054Tower of HanoiNEERC 2000 Central Subregional2264641

1055CombinationsNEERC 2000 Central Subregional3531411

1056Centers of the NetNEERC 2000 Central Subregional2665545

1057Amount of DegreesNEERC 2000 Central Subregional2035712

1058ChocolateNEERC 2000 Central Subregional5132779

1059ExpressionNEERC 2000 Central Subregional2198660

1133Fibonacci SequenceNEERC 2001 Central Subregional2181221

1134CardsNEERC 2001 Central Subregional2491193

1135RecruitsNEERC 2001 Central Subregional2957163

1136ParliamentNEERC 2001 Central Subregional487099

1137Bus RoutesNEERC 2001 Central Subregional1456330

1138Integer PercentageNEERC 2001 Central Subregional2406200

1139City BlocksNEERC 2001 Central Subregional626877

1140Swamp IncidentNEERC 2001 Central Subregional1284374

1158Censored!NEERC 2001 Northern Subregional956501

1159FenceNEERC 2001 Northern Subregional639746

1160NetworkNEERC 2001 Northern Subregional2965165

1161StripiesNEERC 2001 Northern Subregional533891

1162Currency ExchangeNEERC 2001 Northern Subregional2093230

1163ChapaevNEERC 2001 Northern Subregional1024324

1164FillwordNEERC 2001 Northern Subregional2389202

1165SubnumberNEERC 2001 Northern Subregional523909

1166Funny Card GameNEERC 2001 Northern Subregional1303545

1224SpiralNEERC 2002 Central Subregional734667

1225FlagsNEERC 2002 Central Subregional1369436

1226esreveR redrONEERC 2002 Central Subregional4369112

1227Rally ChampionshipNEERC 2002 Central Subregional1622300

1228ArrayNEERC 2002 Central Subregional4606106

1229Strong BrickworkNEERC 2002 Central Subregional1290377

1230Introspective ProgramNEERC 2002 Central Subregional640754

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2182150

1232Asteroid LandingNEERC 2002 Central Subregional1972368

1274Fractional ArithmeticNEERC 2003 Central Subregional702698

1275Knights of the Round TableNEERC 2003 Central Subregional1962411

1276TrainNEERC 2003 Central Subregional668732

1277Cops and ThievesNEERC 2003 Central Subregional620788

1278“… Connecting People”NEERC 2003 Central Subregional498978

1279WarehouseNEERC 2003 Central Subregional1177418

1280Topological SortingNEERC 2003 Central Subregional3484142

1281River BasinNEERC 2003 Central Subregional3471391

1282Game TreeNEERC 2003 Central Subregional1474335

1500Pass LicensesNEERC 2006 Eastern Subregional721639

1501Sense of BeautyNEERC 2006 Eastern Subregional1764263

1502Domino DotsNEERC 2006 Eastern Subregional636873

1503PolynomialNEERC 2006 Eastern Subregional2581742

1504Good MannersNEERC 2006 Eastern Subregional1992233

1505Oil TransferNEERC 2006 Eastern Subregional1512899

1506Columns of NumbersNEERC 2006 Eastern Subregional3179146

1507Difficult DecisionNEERC 2006 Eastern Subregional1052440

1508Japanese PuzzleNEERC 2006 Eastern Subregional2751638

1509Domino RecognitionNEERC 2006 Eastern Subregional1243483

1510OrderNEERC 2006 Eastern Subregional537087

1582BookmakersNEERC 2007 Eastern Subregional3603119

1583CheeseNEERC 2007 Eastern Subregional2201877

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3141332

1585PenguinsNEERC 2007 Eastern Subregional1131338

1586Threeprime NumbersNEERC 2007 Eastern Subregional2986144

1587Flying PigNEERC 2007 Eastern Subregional528802

1588JamaicaNEERC 2007 Eastern Subregional1334321

1589SokobanNEERC 2007 Eastern Subregional1318766

1590Bacon’s CipherNEERC 2007 Eastern Subregional2266190

1591Abstract ThinkingNEERC 2007 Eastern Subregional3991055

1592Chinese WatchesNEERC 2007 Eastern Subregional707602

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional476981

1650BillionairesNEERC 2008 Eastern Subregional1834216

1651Shortest SubchainNEERC 2008 Eastern Subregional1142345

1652Banking CrisisNEERC 2008 Eastern Subregional1372707

1653Death ConveyorNEERC 2008 Eastern Subregional496745

1654Cipher MessageNEERC 2008 Eastern Subregional680058

1655Somali PiratesNEERC 2008 Eastern Subregional1971922

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1972201

1657Cube SnakeNEERC 2008 Eastern Subregional2581485

1658Sum of DigitsNEERC 2008 Eastern Subregional2019196

1659Regular TrianglesNEERC 2008 Eastern Subregional612640

1711Code NamesNEERC 2009 Eastern Subregional2836129

1712Cipher GrilleNEERC 2009 Eastern Subregional448582

1713Key SubstringsNEERC 2009 Eastern Subregional591613

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073149

1715Another Ball KillerNEERC 2009 Eastern Subregional363988

1716Alternative SolutionNEERC 2009 Eastern Subregional480752

1717Eligibility RulesNEERC 2009 Eastern Subregional1612154

1718RejudgeNEERC 2009 Eastern Subregional1237295

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2401474

1720Summit Online JudgeNEERC 2009 Eastern Subregional368975

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional640567

1800Murphy's LawNEERC 2010 Eastern Subregional1913175

1801The Revolution CupNEERC 2010 Eastern Subregional515521

1802Cube PuzzleNEERC 2010 Eastern Subregional1552041

1803The Czechs' RiflesNEERC 2010 Eastern Subregional459718

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional857388

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional342957

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1440232

1807Cartridges for MaximNEERC 2010 Eastern Subregional2271421

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1691881

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional578573

1885Passenger ComfortNEERC 2011 Eastern Subregional1564196

1886Trip 2NEERC 2011 Eastern Subregional1432015

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2911024

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional671453

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1062288

1890Money out of Thin AirNEERC 2011 Eastern Subregional686443

1891Language OceanNEERC 2011 Eastern Subregional451669

1892Morning in KoltsovoNEERC 2011 Eastern Subregional350856

1893A380NEERC 2011 Eastern Subregional538757

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1891549

1895Steaks on BoardNEERC 2011 Eastern Subregional1362111

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional858133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534465

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2241202

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1471792

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional554328

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1355206

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional783197

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1258222

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional306890

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1311995

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional401684

1990PodracingNEERC 2013 Eastern Subregional2441002

1991The battle near the swampNEERC 2013 Eastern Subregional562545

1992CVSNEERC 2013 Eastern Subregional676371

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1334189

1994The Emperor's planNEERC 2013 Eastern Subregional2441002

1995Illegal spicesNEERC 2013 Eastern Subregional440565

1996Cipher Message 3NEERC 2013 Eastern Subregional2061178

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional478521

1998The old PadawanNEERC 2013 Eastern Subregional725346

1999The secret moduleNEERC 2013 Eastern Subregional267066

2012About Grisha N.NEERC 2014 Eastern Subregional1413616

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional246898

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional431521

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional809281

2016Magic and ScienceNEERC 2014 Eastern Subregional188208

2017Best of a bad lotNEERC 2014 Eastern Subregional1691284

2018The Debut AlbumNEERC 2014 Eastern Subregional2263101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional859264

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1570145

2021Scarily interesting!NEERC 2014 Eastern Subregional542416

2022Riding a ToadNEERC 2014 Eastern Subregional553536

2023Donald is a postmanNEERC 2014 Eastern Subregional622137

2074Timus problems classifierQualification of Eastern Subregional 2015203922

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015582886

2076VasianaQualification of Eastern Subregional 2015167549

2077ReductionsQualification of Eastern Subregional 2015177270