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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4320326

1054Tower of HanoiNEERC 2000 Central Subregional2169648

1055CombinationsNEERC 2000 Central Subregional3482405

1056Centers of the NetNEERC 2000 Central Subregional2622537

1057Amount of DegreesNEERC 2000 Central Subregional1994705

1058ChocolateNEERC 2000 Central Subregional4922808

1059ExpressionNEERC 2000 Central Subregional2177646

1133Fibonacci SequenceNEERC 2001 Central Subregional2126220

1134CardsNEERC 2001 Central Subregional2423193

1135RecruitsNEERC 2001 Central Subregional2865163

1136ParliamentNEERC 2001 Central Subregional472299

1137Bus RoutesNEERC 2001 Central Subregional1366341

1138Integer PercentageNEERC 2001 Central Subregional2342200

1139City BlocksNEERC 2001 Central Subregional606177

1140Swamp IncidentNEERC 2001 Central Subregional1255371

1158Censored!NEERC 2001 Northern Subregional929501

1159FenceNEERC 2001 Northern Subregional630735

1160NetworkNEERC 2001 Northern Subregional2378200

1161StripiesNEERC 2001 Northern Subregional515291

1162Currency ExchangeNEERC 2001 Northern Subregional1591294

1163ChapaevNEERC 2001 Northern Subregional2351919

1164FillwordNEERC 2001 Northern Subregional2337200

1165SubnumberNEERC 2001 Northern Subregional518890

1166Funny Card GameNEERC 2001 Northern Subregional1283495

1224SpiralNEERC 2002 Central Subregional710367

1225FlagsNEERC 2002 Central Subregional1304636

1226esreveR redrONEERC 2002 Central Subregional4279111

1227Rally ChampionshipNEERC 2002 Central Subregional1553305

1228ArrayNEERC 2002 Central Subregional4525105

1229Strong BrickworkNEERC 2002 Central Subregional1260375

1230Introspective ProgramNEERC 2002 Central Subregional630744

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2132135

1232Asteroid LandingNEERC 2002 Central Subregional1902381

1274Fractional ArithmeticNEERC 2003 Central Subregional693687

1275Knights of the Round TableNEERC 2003 Central Subregional1892426

1276TrainNEERC 2003 Central Subregional619768

1277Cops and ThievesNEERC 2003 Central Subregional608781

1278“… Connecting People”NEERC 2003 Central Subregional487971

1279WarehouseNEERC 2003 Central Subregional1154415

1280Topological SortingNEERC 2003 Central Subregional3382142

1281River BasinNEERC 2003 Central Subregional3371391

1282Game TreeNEERC 2003 Central Subregional1433335

1500Pass LicensesNEERC 2006 Eastern Subregional705632

1501Sense of BeautyNEERC 2006 Eastern Subregional1704264

1502Domino DotsNEERC 2006 Eastern Subregional613474

1503PolynomialNEERC 2006 Eastern Subregional2481752

1504Good MannersNEERC 2006 Eastern Subregional1902260

1505Oil TransferNEERC 2006 Eastern Subregional1502825

1506Columns of NumbersNEERC 2006 Eastern Subregional3002150

1507Difficult DecisionNEERC 2006 Eastern Subregional1027436

1508Japanese PuzzleNEERC 2006 Eastern Subregional2701614

1509Domino RecognitionNEERC 2006 Eastern Subregional1203477

1510OrderNEERC 2006 Eastern Subregional517287

1582BookmakersNEERC 2007 Eastern Subregional3534117

1583CheeseNEERC 2007 Eastern Subregional2141857

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3081308

1585PenguinsNEERC 2007 Eastern Subregional1061339

1586Threeprime NumbersNEERC 2007 Eastern Subregional2883144

1587Flying PigNEERC 2007 Eastern Subregional509801

1588JamaicaNEERC 2007 Eastern Subregional1296319

1589SokobanNEERC 2007 Eastern Subregional1119807

1590Bacon’s CipherNEERC 2007 Eastern Subregional2064201

1591Abstract ThinkingNEERC 2007 Eastern Subregional3911037

1592Chinese WatchesNEERC 2007 Eastern Subregional686598

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional447062

1650BillionairesNEERC 2008 Eastern Subregional1292293

1651Shortest SubchainNEERC 2008 Eastern Subregional1089347

1652Banking CrisisNEERC 2008 Eastern Subregional1372594

1653Death ConveyorNEERC 2008 Eastern Subregional466810

1654Cipher MessageNEERC 2008 Eastern Subregional650359

1655Somali PiratesNEERC 2008 Eastern Subregional1831976

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1896200

1657Cube SnakeNEERC 2008 Eastern Subregional2551439

1658Sum of DigitsNEERC 2008 Eastern Subregional1841206

1659Regular TrianglesNEERC 2008 Eastern Subregional600625

1711Code NamesNEERC 2009 Eastern Subregional2742128

1712Cipher GrilleNEERC 2009 Eastern Subregional434981

1713Key SubstringsNEERC 2009 Eastern Subregional577598

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073000

1715Another Ball KillerNEERC 2009 Eastern Subregional357956

1716Alternative SolutionNEERC 2009 Eastern Subregional449765

1717Eligibility RulesNEERC 2009 Eastern Subregional1552127

1718RejudgeNEERC 2009 Eastern Subregional1212287

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2331444

1720Summit Online JudgeNEERC 2009 Eastern Subregional363941

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional626552

1800Murphy's LawNEERC 2010 Eastern Subregional1777178

1801The Revolution CupNEERC 2010 Eastern Subregional505308

1802Cube PuzzleNEERC 2010 Eastern Subregional1531954

1803The Czechs' RiflesNEERC 2010 Eastern Subregional450692

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional838376

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional337918

1806Mobile TelegraphsNEERC 2010 Eastern Subregional940335

1807Cartridges for MaximNEERC 2010 Eastern Subregional2211379

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1641830

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional559560

1885Passenger ComfortNEERC 2011 Eastern Subregional1455197

1886Trip 2NEERC 2011 Eastern Subregional1391941

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2761011

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional653436

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1018281

1890Money out of Thin AirNEERC 2011 Eastern Subregional664429

1891Language OceanNEERC 2011 Eastern Subregional441641

1892Morning in KoltsovoNEERC 2011 Eastern Subregional345815

1893A380NEERC 2011 Eastern Subregional512556

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1541763

1895Steaks on BoardNEERC 2011 Eastern Subregional1302065

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional795833

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534151

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional263958

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1431709

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional524218

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1298200

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773006

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1221212

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional299846

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1251937

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional398641

1990PodracingNEERC 2013 Eastern Subregional240935

1991The battle near the swampNEERC 2013 Eastern Subregional528644

1992CVSNEERC 2013 Eastern Subregional668345

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1262184

1994The Emperor's planNEERC 2013 Eastern Subregional236951

1995Illegal spicesNEERC 2013 Eastern Subregional429533

1996Cipher Message 3NEERC 2013 Eastern Subregional2011108

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional462495

1998The old PadawanNEERC 2013 Eastern Subregional703328

1999The secret moduleNEERC 2013 Eastern Subregional266495

2012About Grisha N.NEERC 2014 Eastern Subregional1274916

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional238841

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional416490

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional779264

2016Magic and ScienceNEERC 2014 Eastern Subregional177726

2017Best of a bad lotNEERC 2014 Eastern Subregional1611220

2018The Debut AlbumNEERC 2014 Eastern Subregional209199

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional826250

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1481140

2021Scarily interesting!NEERC 2014 Eastern Subregional519394

2022Riding a ToadNEERC 2014 Eastern Subregional523365

2023Donald is a postmanNEERC 2014 Eastern Subregional571336

2074Timus problems classifierQualification of Eastern Subregional 2015197841

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015542721

2076VasianaQualification of Eastern Subregional 2015156965

2077ReductionsQualification of Eastern Subregional 2015176449