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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4285324

1054Tower of HanoiNEERC 2000 Central Subregional2108657

1055CombinationsNEERC 2000 Central Subregional3449403

1056Centers of the NetNEERC 2000 Central Subregional2605533

1057Amount of DegreesNEERC 2000 Central Subregional1968704

1058ChocolateNEERC 2000 Central Subregional4832818

1059ExpressionNEERC 2000 Central Subregional2163641

1133Fibonacci SequenceNEERC 2001 Central Subregional2104219

1134CardsNEERC 2001 Central Subregional2552181

1135RecruitsNEERC 2001 Central Subregional2835163

1136ParliamentNEERC 2001 Central Subregional464599

1137Bus RoutesNEERC 2001 Central Subregional1345342

1138Integer PercentageNEERC 2001 Central Subregional2312199

1139City BlocksNEERC 2001 Central Subregional599077

1140Swamp IncidentNEERC 2001 Central Subregional1242370

1158Censored!NEERC 2001 Northern Subregional919499

1159FenceNEERC 2001 Northern Subregional628727

1160NetworkNEERC 2001 Northern Subregional2052228

1161StripiesNEERC 2001 Northern Subregional508091

1162Currency ExchangeNEERC 2001 Northern Subregional1343343

1163ChapaevNEERC 2001 Northern Subregional2271956

1164FillwordNEERC 2001 Northern Subregional2312200

1165SubnumberNEERC 2001 Northern Subregional512888

1166Funny Card GameNEERC 2001 Northern Subregional1253526

1224SpiralNEERC 2002 Central Subregional699967

1225FlagsNEERC 2002 Central Subregional1272737

1226esreveR redrONEERC 2002 Central Subregional4218111

1227Rally ChampionshipNEERC 2002 Central Subregional1522307

1228ArrayNEERC 2002 Central Subregional4490104

1229Strong BrickworkNEERC 2002 Central Subregional1250373

1230Introspective ProgramNEERC 2002 Central Subregional625740

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2102135

1232Asteroid LandingNEERC 2002 Central Subregional1862397

1274Fractional ArithmeticNEERC 2003 Central Subregional683687

1275Knights of the Round TableNEERC 2003 Central Subregional1682676

1276TrainNEERC 2003 Central Subregional607772

1277Cops and ThievesNEERC 2003 Central Subregional603777

1278“… Connecting People”NEERC 2003 Central Subregional481970

1279WarehouseNEERC 2003 Central Subregional1144413

1280Topological SortingNEERC 2003 Central Subregional3331143

1281River BasinNEERC 2003 Central Subregional3341385

1282Game TreeNEERC 2003 Central Subregional1415334

1500Pass LicensesNEERC 2006 Eastern Subregional698629

1501Sense of BeautyNEERC 2006 Eastern Subregional1680263

1502Domino DotsNEERC 2006 Eastern Subregional601174

1503PolynomialNEERC 2006 Eastern Subregional2461739

1504Good MannersNEERC 2006 Eastern Subregional1892238

1505Oil TransferNEERC 2006 Eastern Subregional1502783

1506Columns of NumbersNEERC 2006 Eastern Subregional2898153

1507Difficult DecisionNEERC 2006 Eastern Subregional1018433

1508Japanese PuzzleNEERC 2006 Eastern Subregional2661613

1509Domino RecognitionNEERC 2006 Eastern Subregional1193452

1510OrderNEERC 2006 Eastern Subregional508287

1582BookmakersNEERC 2007 Eastern Subregional3498117

1583CheeseNEERC 2007 Eastern Subregional2121841

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3071289

1585PenguinsNEERC 2007 Eastern Subregional1028840

1586Threeprime NumbersNEERC 2007 Eastern Subregional2821144

1587Flying PigNEERC 2007 Eastern Subregional501800

1588JamaicaNEERC 2007 Eastern Subregional1282316

1589SokobanNEERC 2007 Eastern Subregional1020438

1590Bacon’s CipherNEERC 2007 Eastern Subregional1990204

1591Abstract ThinkingNEERC 2007 Eastern Subregional3891024

1592Chinese WatchesNEERC 2007 Eastern Subregional682591

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446921

1650BillionairesNEERC 2008 Eastern Subregional1083342

1651Shortest SubchainNEERC 2008 Eastern Subregional1076344

1652Banking CrisisNEERC 2008 Eastern Subregional1372542

1653Death ConveyorNEERC 2008 Eastern Subregional466673

1654Cipher MessageNEERC 2008 Eastern Subregional636159

1655Somali PiratesNEERC 2008 Eastern Subregional1821946

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1862200

1657Cube SnakeNEERC 2008 Eastern Subregional2511432

1658Sum of DigitsNEERC 2008 Eastern Subregional1740214

1659Regular TrianglesNEERC 2008 Eastern Subregional591622

1711Code NamesNEERC 2009 Eastern Subregional2714126

1712Cipher GrilleNEERC 2009 Eastern Subregional429080

1713Key SubstringsNEERC 2009 Eastern Subregional568593

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062957

1715Another Ball KillerNEERC 2009 Eastern Subregional335994

1716Alternative SolutionNEERC 2009 Eastern Subregional441760

1717Eligibility RulesNEERC 2009 Eastern Subregional1292467

1718RejudgeNEERC 2009 Eastern Subregional1192285

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2311423

1720Summit Online JudgeNEERC 2009 Eastern Subregional360927

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional615549

1800Murphy's LawNEERC 2010 Eastern Subregional1695182

1801The Revolution CupNEERC 2010 Eastern Subregional505168

1802Cube PuzzleNEERC 2010 Eastern Subregional1521914

1803The Czechs' RiflesNEERC 2010 Eastern Subregional448677

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional830369

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional336896

1806Mobile TelegraphsNEERC 2010 Eastern Subregional768399

1807Cartridges for MaximNEERC 2010 Eastern Subregional2181360

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1621803

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional551553

1885Passenger ComfortNEERC 2011 Eastern Subregional1429195

1886Trip 2NEERC 2011 Eastern Subregional1371907

1887Frequent Flyer CardNEERC 2011 Eastern Subregional272994

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional643429

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1001277

1890Money out of Thin AirNEERC 2011 Eastern Subregional605456

1891Language OceanNEERC 2011 Eastern Subregional437627

1892Morning in KoltsovoNEERC 2011 Eastern Subregional343794

1893A380NEERC 2011 Eastern Subregional502756

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1491763

1895Steaks on BoardNEERC 2011 Eastern Subregional1292017

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional763833

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534007

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional259938

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1421661

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional494278

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1265198

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional733041

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1200209

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional296825

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221912

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional394625

1990PodracingNEERC 2013 Eastern Subregional240898

1991The battle near the swampNEERC 2013 Eastern Subregional501445

1992CVSNEERC 2013 Eastern Subregional650340

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1225182

1994The Emperor's planNEERC 2013 Eastern Subregional234920

1995Illegal spicesNEERC 2013 Eastern Subregional424517

1996Cipher Message 3NEERC 2013 Eastern Subregional1981079

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional458479

1998The old PadawanNEERC 2013 Eastern Subregional696318

1999The secret moduleNEERC 2013 Eastern Subregional266233

2012About Grisha N.NEERC 2014 Eastern Subregional1197817

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional236808

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional410473

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional759259

2016Magic and ScienceNEERC 2014 Eastern Subregional177365

2017Best of a bad lotNEERC 2014 Eastern Subregional1591177

2018The Debut AlbumNEERC 2014 Eastern Subregional202898

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional810243

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1448136

2021Scarily interesting!NEERC 2014 Eastern Subregional507385

2022Riding a ToadNEERC 2014 Eastern Subregional503314

2023Donald is a postmanNEERC 2014 Eastern Subregional544736

2074Timus problems classifierQualification of Eastern Subregional 2015192812

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015512688

2076VasianaQualification of Eastern Subregional 2015146831

2077ReductionsQualification of Eastern Subregional 2015176072