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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4215318

1054Hanoi TowerNEERC 2000 Central Subregional2042654

1055CombinationsNEERC 2000 Central Subregional3369397

1056Computer NetNEERC 2000 Central Subregional2517531

1057Amount of DegreesNEERC 2000 Central Subregional1890707

1058ChocolateNEERC 2000 Central Subregional4582862

1059ExpressionNEERC 2000 Central Subregional2116631

1133Fibonacci SequenceNEERC 2001 Central Subregional2446182

1134CardsNEERC 2001 Central Subregional2469180

1135RecruitsNEERC 2001 Central Subregional2718164

1136ParliamentNEERC 2001 Central Subregional450599

1137Bus RoutesNEERC 2001 Central Subregional1508294

1138Integer PercentageNEERC 2001 Central Subregional2246198

1139City BlocksNEERC 2001 Central Subregional575477

1140Swamp IncidentNEERC 2001 Central Subregional1203368

1158Censored!NEERC 2001 Northern Subregional878504

1159FenceNEERC 2001 Northern Subregional606726

1160NetworkNEERC 2001 Northern Subregional1626278

1161StripiesNEERC 2001 Northern Subregional489391

1162Currency ExchangeNEERC 2001 Northern Subregional1077412

1163ChapaevNEERC 2001 Northern Subregional2171971

1164FillwordNEERC 2001 Northern Subregional2233199

1165SubnumberNEERC 2001 Northern Subregional495886

1166Funny Card GameNEERC 2001 Northern Subregional1193567

1224SpiralNEERC 2002 Central Subregional672067

1225FlagsNEERC 2002 Central Subregional1202938

1226esreveR redrONEERC 2002 Central Subregional4082111

1227Rally ChampionshipNEERC 2002 Central Subregional1452310

1228ArrayNEERC 2002 Central Subregional4343104

1229Strong BrickworkNEERC 2002 Central Subregional1161387

1230Introspective ProgramNEERC 2002 Central Subregional605738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012150

1232Asteroid LandingNEERC 2002 Central Subregional1862315

1274Fractional ArithmeticNEERC 2003 Central Subregional658689

1275Knights of the Round TableNEERC 2003 Central Subregional1612693

1276TrainNEERC 2003 Central Subregional577785

1277Cops and ThievesNEERC 2003 Central Subregional576786

1278“… Connecting People”NEERC 2003 Central Subregional452997

1279WarehouseNEERC 2003 Central Subregional1089419

1280Topological SortingNEERC 2003 Central Subregional3149146

1281River BasinNEERC 2003 Central Subregional3191400

1282Game TreeNEERC 2003 Central Subregional1357337

1500Pass LicensesNEERC 2006 Eastern Subregional667633

1501Sense of BeautyNEERC 2006 Eastern Subregional1598267

1502Domino DotsNEERC 2006 Eastern Subregional572375

1503PolynomialNEERC 2006 Eastern Subregional2281801

1504Good MannersNEERC 2006 Eastern Subregional1742329

1505Oil TransferNEERC 2006 Eastern Subregional1332997

1506Columns of NumbersNEERC 2006 Eastern Subregional2746155

1507Difficult DecisionNEERC 2006 Eastern Subregional991428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411707

1509Domino RecognitionNEERC 2006 Eastern Subregional1043759

1510OrderNEERC 2006 Eastern Subregional485788

1582BookmakersNEERC 2007 Eastern Subregional3359116

1583CheeseNEERC 2007 Eastern Subregional2071801

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001261

1585PenguinsNEERC 2007 Eastern Subregional960141

1586Threeprime NumbersNEERC 2007 Eastern Subregional2589150

1587Flying PigNEERC 2007 Eastern Subregional480798

1588JamaicaNEERC 2007 Eastern Subregional1235314

1589SokobanNEERC 2007 Eastern Subregional821717

1590Bacon’s CipherNEERC 2007 Eastern Subregional1802216

1591Abstract ThinkingNEERC 2007 Eastern Subregional3761013

1592Chinese WatchesNEERC 2007 Eastern Subregional656587

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407096

1650BillionairesNEERC 2008 Eastern Subregional821427

1651Shortest SubchainNEERC 2008 Eastern Subregional1013347

1652Banking CrisisNEERC 2008 Eastern Subregional1312516

1653Death ConveyorNEERC 2008 Eastern Subregional407096

1654Cipher MessageNEERC 2008 Eastern Subregional595559

1655Somali PiratesNEERC 2008 Eastern Subregional1652027

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1793197

1657Cube SnakeNEERC 2008 Eastern Subregional2421408

1658Sum of DigitsNEERC 2008 Eastern Subregional1478238

1659Regular TrianglesNEERC 2008 Eastern Subregional566616

1711Code NamesNEERC 2009 Eastern Subregional2589124

1712Cipher GrilleNEERC 2009 Eastern Subregional410878

1713Key SubstringsNEERC 2009 Eastern Subregional546581

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032860

1715Another Ball KillerNEERC 2009 Eastern Subregional327959

1716Alternative SolutionNEERC 2009 Eastern Subregional413764

1717Eligibility RulesNEERC 2009 Eastern Subregional1252394

1718RejudgeNEERC 2009 Eastern Subregional1150279

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2241381

1720Summit Online JudgeNEERC 2009 Eastern Subregional344913

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional577550

1800Murphy's LawNEERC 2010 Eastern Subregional1561184

1801The Revolution CupNEERC 2010 Eastern Subregional455259

1802Cube PuzzleNEERC 2010 Eastern Subregional1481831

1803The Czechs' RiflesNEERC 2010 Eastern Subregional434652

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional801357

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional316887

1806Mobile TelegraphsNEERC 2010 Eastern Subregional530536

1807Cartridges for MaximNEERC 2010 Eastern Subregional2051345

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601702

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional528538

1885Passenger ComfortNEERC 2011 Eastern Subregional1300197

1886Trip 2NEERC 2011 Eastern Subregional1321822

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2221115

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional610417

1889Airport AnnouncementsNEERC 2011 Eastern Subregional948270

1890Money out of Thin AirNEERC 2011 Eastern Subregional571445

1891Language OceanNEERC 2011 Eastern Subregional424596

1892Morning in KoltsovoNEERC 2011 Eastern Subregional331759

1893A380NEERC 2011 Eastern Subregional473255

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1391736

1895Steaks on BoardNEERC 2011 Eastern Subregional1042269

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional702733

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533648

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional250884

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381553

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464104

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1210188

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722803

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1133201

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional277801

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1171810

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional375597

1990PodracingNEERC 2013 Eastern Subregional232830

1991The battle near the swampNEERC 2013 Eastern Subregional457744

1992CVSNEERC 2013 Eastern Subregional584338

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1146174

1994The Emperor's planNEERC 2013 Eastern Subregional221870

1995Illegal spicesNEERC 2013 Eastern Subregional403487

1996Cipher Message 3NEERC 2013 Eastern Subregional1881015

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional436451

1998The old PadawanNEERC 2013 Eastern Subregional655302

1999The secret moduleNEERC 2013 Eastern Subregional265582

2012About Grisha N.NEERC 2014 Eastern Subregional1040417

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional221756

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional371458

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional711242

2016Magic and ScienceNEERC 2014 Eastern Subregional166718

2017Best of a bad lotNEERC 2014 Eastern Subregional1481106

2018The Debut AlbumNEERC 2014 Eastern Subregional180596

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional750230

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1326131

2021Scarily interesting!NEERC 2014 Eastern Subregional477359

2022Riding a ToadNEERC 2014 Eastern Subregional483012

2023Donald is a postmanNEERC 2014 Eastern Subregional494735

2074Timus problems classifierQualification of Eastern Subregional 2015180730

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442569

2076VasianaQualification of Eastern Subregional 2015116605

2077ReductionsQualification of Eastern Subregional 2015165335