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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4411338

1054Tower of HanoiNEERC 2000 Central Subregional2326639

1055CombinationsNEERC 2000 Central Subregional3577416

1056Centers of the NetNEERC 2000 Central Subregional2719547

1057Amount of DegreesNEERC 2000 Central Subregional2093710

1058ChocolateNEERC 2000 Central Subregional5222800

1059ExpressionNEERC 2000 Central Subregional2221669

1133Fibonacci SequenceNEERC 2001 Central Subregional2219222

1134CardsNEERC 2001 Central Subregional2535195

1135RecruitsNEERC 2001 Central Subregional3085160

1136ParliamentNEERC 2001 Central Subregional497599

1137Bus RoutesNEERC 2001 Central Subregional1517324

1138Integer PercentageNEERC 2001 Central Subregional2452201

1139City BlocksNEERC 2001 Central Subregional640477

1140Swamp IncidentNEERC 2001 Central Subregional1305377

1158Censored!NEERC 2001 Northern Subregional970506

1159FenceNEERC 2001 Northern Subregional648754

1160NetworkNEERC 2001 Northern Subregional3291152

1161StripiesNEERC 2001 Northern Subregional542191

1162Currency ExchangeNEERC 2001 Northern Subregional2361209

1163ChapaevNEERC 2001 Northern Subregional1074240

1164FillwordNEERC 2001 Northern Subregional2412205

1165SubnumberNEERC 2001 Northern Subregional531917

1166Funny Card GameNEERC 2001 Northern Subregional1323576

1224SpiralNEERC 2002 Central Subregional759766

1225FlagsNEERC 2002 Central Subregional1417435

1226esreveR redrONEERC 2002 Central Subregional4444113

1227Rally ChampionshipNEERC 2002 Central Subregional1658301

1228ArrayNEERC 2002 Central Subregional4666107

1229Strong BrickworkNEERC 2002 Central Subregional1309381

1230Introspective ProgramNEERC 2002 Central Subregional652758

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2242145

1232Asteroid LandingNEERC 2002 Central Subregional2022367

1274Fractional ArithmeticNEERC 2003 Central Subregional730687

1275Knights of the Round TableNEERC 2003 Central Subregional2042374

1276TrainNEERC 2003 Central Subregional682734

1277Cops and ThievesNEERC 2003 Central Subregional632791

1278“… Connecting People”NEERC 2003 Central Subregional508981

1279WarehouseNEERC 2003 Central Subregional1193422

1280Topological SortingNEERC 2003 Central Subregional3577142

1281River BasinNEERC 2003 Central Subregional3601373

1282Game TreeNEERC 2003 Central Subregional1502336

1500Pass LicensesNEERC 2006 Eastern Subregional744635

1501Sense of BeautyNEERC 2006 Eastern Subregional1789266

1502Domino DotsNEERC 2006 Eastern Subregional650274

1503PolynomialNEERC 2006 Eastern Subregional2661735

1504Good MannersNEERC 2006 Eastern Subregional2062217

1505Oil TransferNEERC 2006 Eastern Subregional1532938

1506Columns of NumbersNEERC 2006 Eastern Subregional3432139

1507Difficult DecisionNEERC 2006 Eastern Subregional1069444

1508Japanese PuzzleNEERC 2006 Eastern Subregional2831635

1509Domino RecognitionNEERC 2006 Eastern Subregional1273496

1510OrderNEERC 2006 Eastern Subregional551287

1582BookmakersNEERC 2007 Eastern Subregional3662121

1583CheeseNEERC 2007 Eastern Subregional2251892

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3171360

1585PenguinsNEERC 2007 Eastern Subregional1170138

1586Threeprime NumbersNEERC 2007 Eastern Subregional3079144

1587Flying PigNEERC 2007 Eastern Subregional539810

1588JamaicaNEERC 2007 Eastern Subregional1357325

1589SokobanNEERC 2007 Eastern Subregional1915331

1590Bacon’s CipherNEERC 2007 Eastern Subregional2352188

1591Abstract ThinkingNEERC 2007 Eastern Subregional4091061

1592Chinese WatchesNEERC 2007 Eastern Subregional734598

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional496978

1650BillionairesNEERC 2008 Eastern Subregional2127193

1651Shortest SubchainNEERC 2008 Eastern Subregional1181346

1652Banking CrisisNEERC 2008 Eastern Subregional1412726

1653Death ConveyorNEERC 2008 Eastern Subregional516749

1654Cipher MessageNEERC 2008 Eastern Subregional699259

1655Somali PiratesNEERC 2008 Eastern Subregional2081888

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2016203

1657Cube SnakeNEERC 2008 Eastern Subregional2611519

1658Sum of DigitsNEERC 2008 Eastern Subregional2058199

1659Regular TrianglesNEERC 2008 Eastern Subregional626647

1711Code NamesNEERC 2009 Eastern Subregional2907131

1712Cipher GrilleNEERC 2009 Eastern Subregional455584

1713Key SubstringsNEERC 2009 Eastern Subregional604623

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103190

1715Another Ball KillerNEERC 2009 Eastern Subregional374997

1716Alternative SolutionNEERC 2009 Eastern Subregional489767

1717Eligibility RulesNEERC 2009 Eastern Subregional1632213

1718RejudgeNEERC 2009 Eastern Subregional1256302

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2471490

1720Summit Online JudgeNEERC 2009 Eastern Subregional382977

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional655576

1800Murphy's LawNEERC 2010 Eastern Subregional2091168

1801The Revolution CupNEERC 2010 Eastern Subregional545499

1802Cube PuzzleNEERC 2010 Eastern Subregional1592082

1803The Czechs' RiflesNEERC 2010 Eastern Subregional475726

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional869400

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional345991

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1740201

1807Cartridges for MaximNEERC 2010 Eastern Subregional2321454

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1721934

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional592585

1885Passenger ComfortNEERC 2011 Eastern Subregional1664194

1886Trip 2NEERC 2011 Eastern Subregional1452090

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2951062

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional703454

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1085296

1890Money out of Thin AirNEERC 2011 Eastern Subregional700456

1891Language OceanNEERC 2011 Eastern Subregional463685

1892Morning in KoltsovoNEERC 2011 Eastern Subregional363869

1893A380NEERC 2011 Eastern Subregional558858

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2121459

1895Steaks on BoardNEERC 2011 Eastern Subregional1412146

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional895633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564511

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291246

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1511849

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional584378

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1381214

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional813272

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1284230

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional313922

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1352053

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional410709

1990PodracingNEERC 2013 Eastern Subregional2541028

1991The battle near the swampNEERC 2013 Eastern Subregional586146

1992CVSNEERC 2013 Eastern Subregional705380

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1372196

1994The Emperor's planNEERC 2013 Eastern Subregional2501044

1995Illegal spicesNEERC 2013 Eastern Subregional448593

1996Cipher Message 3NEERC 2013 Eastern Subregional2121223

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional498534

1998The old PadawanNEERC 2013 Eastern Subregional744360

1999The secret moduleNEERC 2013 Eastern Subregional306785

2012About Grisha N.NEERC 2014 Eastern Subregional1508616

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional257927

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional454533

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional836292

2016Magic and ScienceNEERC 2014 Eastern Subregional198532

2017Best of a bad lotNEERC 2014 Eastern Subregional1771323

2018The Debut AlbumNEERC 2014 Eastern Subregional2468100

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional876279

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1617152

2021Scarily interesting!NEERC 2014 Eastern Subregional551441

2022Riding a ToadNEERC 2014 Eastern Subregional583639

2023Donald is a postmanNEERC 2014 Eastern Subregional652538

2074Timus problems classifierQualification of Eastern Subregional 2015211971

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015662824

2076VasianaQualification of Eastern Subregional 2015177949

2077ReductionsQualification of Eastern Subregional 2015187665
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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