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Problem set. NEERC Regionals

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4407336

1054Tower of HanoiNEERC 2000 Central Subregional2316639

1055CombinationsNEERC 2000 Central Subregional3570415

1056Centers of the NetNEERC 2000 Central Subregional2708546

1057Amount of DegreesNEERC 2000 Central Subregional2087708

1058ChocolateNEERC 2000 Central Subregional5202796

1059ExpressionNEERC 2000 Central Subregional2217667

1133Fibonacci SequenceNEERC 2001 Central Subregional2207222

1134CardsNEERC 2001 Central Subregional2526194

1135RecruitsNEERC 2001 Central Subregional3043161

1136ParliamentNEERC 2001 Central Subregional495999

1137Bus RoutesNEERC 2001 Central Subregional1510324

1138Integer PercentageNEERC 2001 Central Subregional2441201

1139City BlocksNEERC 2001 Central Subregional637077

1140Swamp IncidentNEERC 2001 Central Subregional1304375

1158Censored!NEERC 2001 Northern Subregional967505

1159FenceNEERC 2001 Northern Subregional648750

1160NetworkNEERC 2001 Northern Subregional3270152

1161StripiesNEERC 2001 Northern Subregional539991

1162Currency ExchangeNEERC 2001 Northern Subregional2351209

1163ChapaevNEERC 2001 Northern Subregional1054291

1164FillwordNEERC 2001 Northern Subregional2408204

1165SubnumberNEERC 2001 Northern Subregional528917

1166Funny Card GameNEERC 2001 Northern Subregional1323558

1224SpiralNEERC 2002 Central Subregional752266

1225FlagsNEERC 2002 Central Subregional1404436

1226esreveR redrONEERC 2002 Central Subregional4406113

1227Rally ChampionshipNEERC 2002 Central Subregional1656300

1228ArrayNEERC 2002 Central Subregional4647107

1229Strong BrickworkNEERC 2002 Central Subregional1304380

1230Introspective ProgramNEERC 2002 Central Subregional651755

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2232143

1232Asteroid LandingNEERC 2002 Central Subregional2022356

1274Fractional ArithmeticNEERC 2003 Central Subregional726687

1275Knights of the Round TableNEERC 2003 Central Subregional2032374

1276TrainNEERC 2003 Central Subregional680733

1277Cops and ThievesNEERC 2003 Central Subregional631789

1278“… Connecting People”NEERC 2003 Central Subregional506980

1279WarehouseNEERC 2003 Central Subregional1190421

1280Topological SortingNEERC 2003 Central Subregional3558142

1281River BasinNEERC 2003 Central Subregional3531393

1282Game TreeNEERC 2003 Central Subregional1493336

1500Pass LicensesNEERC 2006 Eastern Subregional741634

1501Sense of BeautyNEERC 2006 Eastern Subregional1784265

1502Domino DotsNEERC 2006 Eastern Subregional646474

1503PolynomialNEERC 2006 Eastern Subregional2631745

1504Good MannersNEERC 2006 Eastern Subregional2042226

1505Oil TransferNEERC 2006 Eastern Subregional1532922

1506Columns of NumbersNEERC 2006 Eastern Subregional3348142

1507Difficult DecisionNEERC 2006 Eastern Subregional1066443

1508Japanese PuzzleNEERC 2006 Eastern Subregional2791648

1509Domino RecognitionNEERC 2006 Eastern Subregional1253528

1510OrderNEERC 2006 Eastern Subregional547387

1582BookmakersNEERC 2007 Eastern Subregional3645121

1583CheeseNEERC 2007 Eastern Subregional2241888

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161355

1585PenguinsNEERC 2007 Eastern Subregional1162038

1586Threeprime NumbersNEERC 2007 Eastern Subregional3049144

1587Flying PigNEERC 2007 Eastern Subregional538806

1588JamaicaNEERC 2007 Eastern Subregional1355324

1589SokobanNEERC 2007 Eastern Subregional1815778

1590Bacon’s CipherNEERC 2007 Eastern Subregional2318190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4071059

1592Chinese WatchesNEERC 2007 Eastern Subregional727599

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487047

1650BillionairesNEERC 2008 Eastern Subregional2110193

1651Shortest SubchainNEERC 2008 Eastern Subregional1175345

1652Banking CrisisNEERC 2008 Eastern Subregional1402725

1653Death ConveyorNEERC 2008 Eastern Subregional506812

1654Cipher MessageNEERC 2008 Eastern Subregional696259

1655Somali PiratesNEERC 2008 Eastern Subregional2071883

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2007203

1657Cube SnakeNEERC 2008 Eastern Subregional2601514

1658Sum of DigitsNEERC 2008 Eastern Subregional2047199

1659Regular TrianglesNEERC 2008 Eastern Subregional622647

1711Code NamesNEERC 2009 Eastern Subregional2888131

1712Cipher GrilleNEERC 2009 Eastern Subregional453684

1713Key SubstringsNEERC 2009 Eastern Subregional602620

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093191

1715Another Ball KillerNEERC 2009 Eastern Subregional3691002

1716Alternative SolutionNEERC 2009 Eastern Subregional489761

1717Eligibility RulesNEERC 2009 Eastern Subregional1632195

1718RejudgeNEERC 2009 Eastern Subregional1251301

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2451489

1720Summit Online JudgeNEERC 2009 Eastern Subregional378979

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional652574

1800Murphy's LawNEERC 2010 Eastern Subregional2040170

1801The Revolution CupNEERC 2010 Eastern Subregional535534

1802Cube PuzzleNEERC 2010 Eastern Subregional1572088

1803The Czechs' RiflesNEERC 2010 Eastern Subregional471725

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional867398

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional344985

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1727201

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301453

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711926

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional589582

1885Passenger ComfortNEERC 2011 Eastern Subregional1615197

1886Trip 2NEERC 2011 Eastern Subregional1442082

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2931058

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional700452

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1080294

1890Money out of Thin AirNEERC 2011 Eastern Subregional699452

1891Language OceanNEERC 2011 Eastern Subregional460682

1892Morning in KoltsovoNEERC 2011 Eastern Subregional360867

1893A380NEERC 2011 Eastern Subregional553658

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2061484

1895Steaks on BoardNEERC 2011 Eastern Subregional1402137

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional886133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564457

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291231

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1501839

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional584326

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1376212

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803269

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1281228

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional310919

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342043

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional409702

1990PodracingNEERC 2013 Eastern Subregional2501030

1991The battle near the swampNEERC 2013 Eastern Subregional581946

1992CVSNEERC 2013 Eastern Subregional702376

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1356196

1994The Emperor's planNEERC 2013 Eastern Subregional2481038

1995Illegal spicesNEERC 2013 Eastern Subregional445588

1996Cipher Message 3NEERC 2013 Eastern Subregional2091223

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional495530

1998The old PadawanNEERC 2013 Eastern Subregional740357

1999The secret moduleNEERC 2013 Eastern Subregional306693

2012About Grisha N.NEERC 2014 Eastern Subregional1483016

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional254923

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional450530

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional832289

2016Magic and ScienceNEERC 2014 Eastern Subregional198401

2017Best of a bad lotNEERC 2014 Eastern Subregional1751317

2018The Debut AlbumNEERC 2014 Eastern Subregional2404101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional873276

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1603151

2021Scarily interesting!NEERC 2014 Eastern Subregional549436

2022Riding a ToadNEERC 2014 Eastern Subregional573636

2023Donald is a postmanNEERC 2014 Eastern Subregional646838

2074Timus problems classifierQualification of Eastern Subregional 2015210958

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015652809

2076VasianaQualification of Eastern Subregional 2015177802

2077ReductionsQualification of Eastern Subregional 2015187524
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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