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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4277317

1054Hanoi TowerNEERC 2000 Central Subregional2087649

1055CombinationsNEERC 2000 Central Subregional3412397

1056Computer NetNEERC 2000 Central Subregional2565528

1057Amount of DegreesNEERC 2000 Central Subregional1944696

1058ChocolateNEERC 2000 Central Subregional4672845

1059ExpressionNEERC 2000 Central Subregional2137634

1133Fibonacci SequenceNEERC 2001 Central Subregional2056219

1134CardsNEERC 2001 Central Subregional2503180

1135RecruitsNEERC 2001 Central Subregional2761163

1136ParliamentNEERC 2001 Central Subregional457899

1137Bus RoutesNEERC 2001 Central Subregional1540292

1138Integer PercentageNEERC 2001 Central Subregional2274198

1139City BlocksNEERC 2001 Central Subregional585077

1140Swamp IncidentNEERC 2001 Central Subregional1226366

1158Censored!NEERC 2001 Northern Subregional896500

1159FenceNEERC 2001 Northern Subregional616724

1160NetworkNEERC 2001 Northern Subregional1685271

1161StripiesNEERC 2001 Northern Subregional497191

1162Currency ExchangeNEERC 2001 Northern Subregional1096410

1163ChapaevNEERC 2001 Northern Subregional2261920

1164FillwordNEERC 2001 Northern Subregional2281198

1165SubnumberNEERC 2001 Northern Subregional500888

1166Funny Card GameNEERC 2001 Northern Subregional1213556

1224SpiralNEERC 2002 Central Subregional682667

1225FlagsNEERC 2002 Central Subregional1229937

1226esreveR redrONEERC 2002 Central Subregional4137111

1227Rally ChampionshipNEERC 2002 Central Subregional1493306

1228ArrayNEERC 2002 Central Subregional4400104

1229Strong BrickworkNEERC 2002 Central Subregional1205378

1230Introspective ProgramNEERC 2002 Central Subregional616734

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2072117

1232Asteroid LandingNEERC 2002 Central Subregional1852356

1274Fractional ArithmeticNEERC 2003 Central Subregional675681

1275Knights of the Round TableNEERC 2003 Central Subregional1622710

1276TrainNEERC 2003 Central Subregional591776

1277Cops and ThievesNEERC 2003 Central Subregional585783

1278“… Connecting People”NEERC 2003 Central Subregional465981

1279WarehouseNEERC 2003 Central Subregional1108417

1280Topological SortingNEERC 2003 Central Subregional3244143

1281River BasinNEERC 2003 Central Subregional3251392

1282Game TreeNEERC 2003 Central Subregional1385334

1500Pass LicensesNEERC 2006 Eastern Subregional680630

1501Sense of BeautyNEERC 2006 Eastern Subregional1628265

1502Domino DotsNEERC 2006 Eastern Subregional586374

1503PolynomialNEERC 2006 Eastern Subregional2281826

1504Good MannersNEERC 2006 Eastern Subregional1742361

1505Oil TransferNEERC 2006 Eastern Subregional1343017

1506Columns of NumbersNEERC 2006 Eastern Subregional2826153

1507Difficult DecisionNEERC 2006 Eastern Subregional1001430

1508Japanese PuzzleNEERC 2006 Eastern Subregional2421724

1509Domino RecognitionNEERC 2006 Eastern Subregional1063746

1510OrderNEERC 2006 Eastern Subregional494988

1582BookmakersNEERC 2007 Eastern Subregional3422116

1583CheeseNEERC 2007 Eastern Subregional2071831

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3021273

1585PenguinsNEERC 2007 Eastern Subregional991140

1586Threeprime NumbersNEERC 2007 Eastern Subregional2650149

1587Flying PigNEERC 2007 Eastern Subregional492791

1588JamaicaNEERC 2007 Eastern Subregional1257314

1589SokobanNEERC 2007 Eastern Subregional822068

1590Bacon’s CipherNEERC 2007 Eastern Subregional1856213

1591Abstract ThinkingNEERC 2007 Eastern Subregional3811016

1592Chinese WatchesNEERC 2007 Eastern Subregional667587

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417089

1650BillionairesNEERC 2008 Eastern Subregional837427

1651Shortest SubchainNEERC 2008 Eastern Subregional1038345

1652Banking CrisisNEERC 2008 Eastern Subregional1322546

1653Death ConveyorNEERC 2008 Eastern Subregional426952

1654Cipher MessageNEERC 2008 Eastern Subregional610359

1655Somali PiratesNEERC 2008 Eastern Subregional1771933

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1823197

1657Cube SnakeNEERC 2008 Eastern Subregional2451418

1658Sum of DigitsNEERC 2008 Eastern Subregional1500239

1659Regular TrianglesNEERC 2008 Eastern Subregional577616

1711Code NamesNEERC 2009 Eastern Subregional2645124

1712Cipher GrilleNEERC 2009 Eastern Subregional418779

1713Key SubstringsNEERC 2009 Eastern Subregional556583

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052871

1715Another Ball KillerNEERC 2009 Eastern Subregional331968

1716Alternative SolutionNEERC 2009 Eastern Subregional418771

1717Eligibility RulesNEERC 2009 Eastern Subregional1252446

1718RejudgeNEERC 2009 Eastern Subregional1170280

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2261399

1720Summit Online JudgeNEERC 2009 Eastern Subregional351915

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional596545

1800Murphy's LawNEERC 2010 Eastern Subregional1638180

1801The Revolution CupNEERC 2010 Eastern Subregional465298

1802Cube PuzzleNEERC 2010 Eastern Subregional1481878

1803The Czechs' RiflesNEERC 2010 Eastern Subregional441658

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional819358

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional324888

1806Mobile TelegraphsNEERC 2010 Eastern Subregional559521

1807Cartridges for MaximNEERC 2010 Eastern Subregional2111342

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601745

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional542537

1885Passenger ComfortNEERC 2011 Eastern Subregional1353195

1886Trip 2NEERC 2011 Eastern Subregional1341850

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2311105

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional625419

1889Airport AnnouncementsNEERC 2011 Eastern Subregional973271

1890Money out of Thin AirNEERC 2011 Eastern Subregional587446

1891Language OceanNEERC 2011 Eastern Subregional429607

1892Morning in KoltsovoNEERC 2011 Eastern Subregional335772

1893A380NEERC 2011 Eastern Subregional485755

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1401776

1895Steaks on BoardNEERC 2011 Eastern Subregional1082257

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional724433

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533775

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253904

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381607

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474173

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1239190

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732866

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1168202

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional285806

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1201830

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional385602

1990PodracingNEERC 2013 Eastern Subregional235854

1991The battle near the swampNEERC 2013 Eastern Subregional475044

1992CVSNEERC 2013 Eastern Subregional625330

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1182176

1994The Emperor's planNEERC 2013 Eastern Subregional225891

1995Illegal spicesNEERC 2013 Eastern Subregional415492

1996Cipher Message 3NEERC 2013 Eastern Subregional1951021

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional449456

1998The old PadawanNEERC 2013 Eastern Subregional676305

1999The secret moduleNEERC 2013 Eastern Subregional265813

2012About Grisha N.NEERC 2014 Eastern Subregional1095617

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional226777

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional386463

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional735246

2016Magic and ScienceNEERC 2014 Eastern Subregional176787

2017Best of a bad lotNEERC 2014 Eastern Subregional1541117

2018The Debut AlbumNEERC 2014 Eastern Subregional189496

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional778233

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1380132

2021Scarily interesting!NEERC 2014 Eastern Subregional489367

2022Riding a ToadNEERC 2014 Eastern Subregional493106

2023Donald is a postmanNEERC 2014 Eastern Subregional514836

2074Timus problems classifierQualification of Eastern Subregional 2015185757

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452685

2076VasianaQualification of Eastern Subregional 2015126712

2077ReductionsQualification of Eastern Subregional 2015175469