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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4345330

1054Tower of HanoiNEERC 2000 Central Subregional2191652

1055CombinationsNEERC 2000 Central Subregional3504409

1056Centers of the NetNEERC 2000 Central Subregional2646540

1057Amount of DegreesNEERC 2000 Central Subregional2016709

1058ChocolateNEERC 2000 Central Subregional5082765

1059ExpressionNEERC 2000 Central Subregional2189653

1133Fibonacci SequenceNEERC 2001 Central Subregional2151221

1134CardsNEERC 2001 Central Subregional2455193

1135RecruitsNEERC 2001 Central Subregional2930162

1136ParliamentNEERC 2001 Central Subregional4775100

1137Bus RoutesNEERC 2001 Central Subregional1417334

1138Integer PercentageNEERC 2001 Central Subregional2372200

1139City BlocksNEERC 2001 Central Subregional616977

1140Swamp IncidentNEERC 2001 Central Subregional1274371

1158Censored!NEERC 2001 Northern Subregional940503

1159FenceNEERC 2001 Northern Subregional636739

1160NetworkNEERC 2001 Northern Subregional2459196

1161StripiesNEERC 2001 Northern Subregional524891

1162Currency ExchangeNEERC 2001 Northern Subregional1659286

1163ChapaevNEERC 2001 Northern Subregional2431887

1164FillwordNEERC 2001 Northern Subregional2362201

1165SubnumberNEERC 2001 Northern Subregional522897

1166Funny Card GameNEERC 2001 Northern Subregional1283547

1224SpiralNEERC 2002 Central Subregional724367

1225FlagsNEERC 2002 Central Subregional1340236

1226esreveR redrONEERC 2002 Central Subregional4325112

1227Rally ChampionshipNEERC 2002 Central Subregional1578304

1228ArrayNEERC 2002 Central Subregional4566106

1229Strong BrickworkNEERC 2002 Central Subregional1274377

1230Introspective ProgramNEERC 2002 Central Subregional634751

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2172130

1232Asteroid LandingNEERC 2002 Central Subregional1922393

1274Fractional ArithmeticNEERC 2003 Central Subregional699691

1275Knights of the Round TableNEERC 2003 Central Subregional1902450

1276TrainNEERC 2003 Central Subregional646747

1277Cops and ThievesNEERC 2003 Central Subregional611789

1278“… Connecting People”NEERC 2003 Central Subregional492976

1279WarehouseNEERC 2003 Central Subregional1165417

1280Topological SortingNEERC 2003 Central Subregional3433142

1281River BasinNEERC 2003 Central Subregional3431388

1282Game TreeNEERC 2003 Central Subregional1453335

1500Pass LicensesNEERC 2006 Eastern Subregional710638

1501Sense of BeautyNEERC 2006 Eastern Subregional1737263

1502Domino DotsNEERC 2006 Eastern Subregional627073

1503PolynomialNEERC 2006 Eastern Subregional2521754

1504Good MannersNEERC 2006 Eastern Subregional1932264

1505Oil TransferNEERC 2006 Eastern Subregional1502873

1506Columns of NumbersNEERC 2006 Eastern Subregional3109147

1507Difficult DecisionNEERC 2006 Eastern Subregional1036439

1508Japanese PuzzleNEERC 2006 Eastern Subregional2721630

1509Domino RecognitionNEERC 2006 Eastern Subregional1213509

1510OrderNEERC 2006 Eastern Subregional526087

1582BookmakersNEERC 2007 Eastern Subregional3566119

1583CheeseNEERC 2007 Eastern Subregional2171868

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3111321

1585PenguinsNEERC 2007 Eastern Subregional1101438

1586Threeprime NumbersNEERC 2007 Eastern Subregional2934144

1587Flying PigNEERC 2007 Eastern Subregional518803

1588JamaicaNEERC 2007 Eastern Subregional1314320

1589SokobanNEERC 2007 Eastern Subregional1219275

1590Bacon’s CipherNEERC 2007 Eastern Subregional2231189

1591Abstract ThinkingNEERC 2007 Eastern Subregional3941050

1592Chinese WatchesNEERC 2007 Eastern Subregional696601

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457089

1650BillionairesNEERC 2008 Eastern Subregional1374282

1651Shortest SubchainNEERC 2008 Eastern Subregional1110348

1652Banking CrisisNEERC 2008 Eastern Subregional1372652

1653Death ConveyorNEERC 2008 Eastern Subregional476840

1654Cipher MessageNEERC 2008 Eastern Subregional664159

1655Somali PiratesNEERC 2008 Eastern Subregional1931921

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1942200

1657Cube SnakeNEERC 2008 Eastern Subregional2571460

1658Sum of DigitsNEERC 2008 Eastern Subregional1980196

1659Regular TrianglesNEERC 2008 Eastern Subregional606633

1711Code NamesNEERC 2009 Eastern Subregional2794128

1712Cipher GrilleNEERC 2009 Eastern Subregional441681

1713Key SubstringsNEERC 2009 Eastern Subregional583607

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073077

1715Another Ball KillerNEERC 2009 Eastern Subregional360973

1716Alternative SolutionNEERC 2009 Eastern Subregional474744

1717Eligibility RulesNEERC 2009 Eastern Subregional1572155

1718RejudgeNEERC 2009 Eastern Subregional1222292

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2341475

1720Summit Online JudgeNEERC 2009 Eastern Subregional366957

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional634559

1800Murphy's LawNEERC 2010 Eastern Subregional1846177

1801The Revolution CupNEERC 2010 Eastern Subregional505466

1802Cube PuzzleNEERC 2010 Eastern Subregional1542000

1803The Czechs' RiflesNEERC 2010 Eastern Subregional456704

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional847383

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional341934

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1022318

1807Cartridges for MaximNEERC 2010 Eastern Subregional2261390

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1651874

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional567568

1885Passenger ComfortNEERC 2011 Eastern Subregional1525195

1886Trip 2NEERC 2011 Eastern Subregional1401993

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2831020

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional659447

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1047283

1890Money out of Thin AirNEERC 2011 Eastern Subregional676436

1891Language OceanNEERC 2011 Eastern Subregional448653

1892Morning in KoltsovoNEERC 2011 Eastern Subregional350831

1893A380NEERC 2011 Eastern Subregional526057

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1731634

1895Steaks on BoardNEERC 2011 Eastern Subregional1332091

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional825633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534313

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2211176

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1441765

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional544246

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1329203

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773123

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1238218

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional302871

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1261998

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional399664

1990PodracingNEERC 2013 Eastern Subregional241974

1991The battle near the swampNEERC 2013 Eastern Subregional547045

1992CVSNEERC 2013 Eastern Subregional651370

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1305186

1994The Emperor's planNEERC 2013 Eastern Subregional241974

1995Illegal spicesNEERC 2013 Eastern Subregional434551

1996Cipher Message 3NEERC 2013 Eastern Subregional2041142

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional469510

1998The old PadawanNEERC 2013 Eastern Subregional714338

1999The secret moduleNEERC 2013 Eastern Subregional266790

2012About Grisha N.NEERC 2014 Eastern Subregional1347116

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional244864

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional424506

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional797272

2016Magic and ScienceNEERC 2014 Eastern Subregional187842

2017Best of a bad lotNEERC 2014 Eastern Subregional1661248

2018The Debut AlbumNEERC 2014 Eastern Subregional2182100

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional844257

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1531142

2021Scarily interesting!NEERC 2014 Eastern Subregional529407

2022Riding a ToadNEERC 2014 Eastern Subregional523541

2023Donald is a postmanNEERC 2014 Eastern Subregional596537

2074Timus problems classifierQualification of Eastern Subregional 2015200884

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015552855

2076VasianaQualification of Eastern Subregional 2015167137

2077ReductionsQualification of Eastern Subregional 2015176873