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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4457342

1054Tower of HanoiNEERC 2000 Central Subregional2374641

1055CombinationsNEERC 2000 Central Subregional3612422

1056Centers of the NetNEERC 2000 Central Subregional2769550

1057Amount of DegreesNEERC 2000 Central Subregional2129715

1058ChocolateNEERC 2000 Central Subregional5452748

1059ExpressionNEERC 2000 Central Subregional2248677

1133Fibonacci SequenceNEERC 2001 Central Subregional2250224

1134CardsNEERC 2001 Central Subregional2568197

1135RecruitsNEERC 2001 Central Subregional3159160

1136ParliamentNEERC 2001 Central Subregional5069100

1137Bus RoutesNEERC 2001 Central Subregional1562322

1138Integer PercentageNEERC 2001 Central Subregional2484203

1139City BlocksNEERC 2001 Central Subregional647878

1140Swamp IncidentNEERC 2001 Central Subregional1320381

1158Censored!NEERC 2001 Northern Subregional1000503

1159FenceNEERC 2001 Northern Subregional665752

1160NetworkNEERC 2001 Northern Subregional3503146

1161StripiesNEERC 2001 Northern Subregional547593

1162Currency ExchangeNEERC 2001 Northern Subregional2578196

1163ChapaevNEERC 2001 Northern Subregional1203904

1164FillwordNEERC 2001 Northern Subregional2447207

1165SubnumberNEERC 2001 Northern Subregional537928

1166Funny Card GameNEERC 2001 Northern Subregional1383507

1224SpiralNEERC 2002 Central Subregional775266

1225FlagsNEERC 2002 Central Subregional1466235

1226esreveR redrONEERC 2002 Central Subregional4505114

1227Rally ChampionshipNEERC 2002 Central Subregional1693301

1228ArrayNEERC 2002 Central Subregional4727108

1229Strong BrickworkNEERC 2002 Central Subregional1325384

1230Introspective ProgramNEERC 2002 Central Subregional638792

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2252184

1232Asteroid LandingNEERC 2002 Central Subregional2072365

1274Fractional ArithmeticNEERC 2003 Central Subregional756678

1275Knights of the Round TableNEERC 2003 Central Subregional2072393

1276TrainNEERC 2003 Central Subregional699733

1277Cops and ThievesNEERC 2003 Central Subregional589867

1278“… Connecting People”NEERC 2003 Central Subregional518984

1279WarehouseNEERC 2003 Central Subregional1220422

1280Topological SortingNEERC 2003 Central Subregional3662141

1281River BasinNEERC 2003 Central Subregional2771810

1282Game TreeNEERC 2003 Central Subregional1531337

1500Pass LicensesNEERC 2006 Eastern Subregional756641

1501Sense of BeautyNEERC 2006 Eastern Subregional1830267

1502Domino DotsNEERC 2006 Eastern Subregional662774

1503PolynomialNEERC 2006 Eastern Subregional2751722

1504Good MannersNEERC 2006 Eastern Subregional2112221

1505Oil TransferNEERC 2006 Eastern Subregional1612870

1506Columns of NumbersNEERC 2006 Eastern Subregional3564137

1507Difficult DecisionNEERC 2006 Eastern Subregional1095444

1508Japanese PuzzleNEERC 2006 Eastern Subregional2981594

1509Domino RecognitionNEERC 2006 Eastern Subregional1343408

1510OrderNEERC 2006 Eastern Subregional565587

1582BookmakersNEERC 2007 Eastern Subregional3719123

1583CheeseNEERC 2007 Eastern Subregional2381844

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3321337

1585PenguinsNEERC 2007 Eastern Subregional1203738

1586Threeprime NumbersNEERC 2007 Eastern Subregional3165144

1587Flying PigNEERC 2007 Eastern Subregional547821

1588JamaicaNEERC 2007 Eastern Subregional1393326

1589SokobanNEERC 2007 Eastern Subregional628579

1590Bacon’s CipherNEERC 2007 Eastern Subregional2443186

1591Abstract ThinkingNEERC 2007 Eastern Subregional4271046

1592Chinese WatchesNEERC 2007 Eastern Subregional768588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional526857

1650BillionairesNEERC 2008 Eastern Subregional2305184

1651Shortest SubchainNEERC 2008 Eastern Subregional1222345

1652Banking CrisisNEERC 2008 Eastern Subregional1492674

1653Death ConveyorNEERC 2008 Eastern Subregional606073

1654Cipher MessageNEERC 2008 Eastern Subregional710560

1655Somali PiratesNEERC 2008 Eastern Subregional2221832

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2056206

1657Cube SnakeNEERC 2008 Eastern Subregional2671535

1658Sum of DigitsNEERC 2008 Eastern Subregional2089203

1659Regular TrianglesNEERC 2008 Eastern Subregional644650

1711Code NamesNEERC 2009 Eastern Subregional2954134

1712Cipher GrilleNEERC 2009 Eastern Subregional461386

1713Key SubstringsNEERC 2009 Eastern Subregional620630

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143201

1715Another Ball KillerNEERC 2009 Eastern Subregional3841007

1716Alternative SolutionNEERC 2009 Eastern Subregional530735

1717Eligibility RulesNEERC 2009 Eastern Subregional1702205

1718RejudgeNEERC 2009 Eastern Subregional1285306

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2621459

1720Summit Online JudgeNEERC 2009 Eastern Subregional397975

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional679576

1800Murphy's LawNEERC 2010 Eastern Subregional2169168

1801The Revolution CupNEERC 2010 Eastern Subregional575473

1802Cube PuzzleNEERC 2010 Eastern Subregional1642108

1803The Czechs' RiflesNEERC 2010 Eastern Subregional508708

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional890407

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional3551005

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1915190

1807Cartridges for MaximNEERC 2010 Eastern Subregional2371485

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1841890

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional611591

1885Passenger ComfortNEERC 2011 Eastern Subregional1771191

1886Trip 2NEERC 2011 Eastern Subregional1552057

1887Frequent Flyer CardNEERC 2011 Eastern Subregional3101061

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional730459

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1106304

1890Money out of Thin AirNEERC 2011 Eastern Subregional726461

1891Language OceanNEERC 2011 Eastern Subregional472704

1892Morning in KoltsovoNEERC 2011 Eastern Subregional374884

1893A380NEERC 2011 Eastern Subregional568260

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2271432

1895Steaks on BoardNEERC 2011 Eastern Subregional1492135

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional926434

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional604482

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2371270

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1541913

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional703922

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1401222

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional903138

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1304239

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional326934

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1412078

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional426720

1990PodracingNEERC 2013 Eastern Subregional2621059

1991The battle near the swampNEERC 2013 Eastern Subregional602648

1992CVSNEERC 2013 Eastern Subregional773368

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1419202

1994The Emperor's planNEERC 2013 Eastern Subregional2641051

1995Illegal spicesNEERC 2013 Eastern Subregional465606

1996Cipher Message 3NEERC 2013 Eastern Subregional2211247

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional521542

1998The old PadawanNEERC 2013 Eastern Subregional762373

1999The secret moduleNEERC 2013 Eastern Subregional356401

2012About Grisha N.NEERC 2014 Eastern Subregional1580217

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional271942

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional473548

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional884296

2016Magic and ScienceNEERC 2014 Eastern Subregional267350

2017Best of a bad lotNEERC 2014 Eastern Subregional1871343

2018The Debut AlbumNEERC 2014 Eastern Subregional2606101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional894293

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1648160

2021Scarily interesting!NEERC 2014 Eastern Subregional571455

2022Riding a ToadNEERC 2014 Eastern Subregional613727

2023Donald is a postmanNEERC 2014 Eastern Subregional676939

2074Timus problems classifierNEERC 2015 Eastern Subregional Qualifier223998

2075Take care of your eyebrows!NEERC 2015 Eastern Subregional Qualifier752736

2076VasianaNEERC 2015 Eastern Subregional Qualifier246840

2077ReductionsNEERC 2015 Eastern Subregional Qualifier246840

2190Match of the MillenniumICPC Ural Regional Contest Qualifier 2022311196

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 2022132126

2192My GrandfatherICPC Ural Regional Contest Qualifier 202240981

2193Old Barabarian RapICPC Ural Regional Contest Qualifier 2022221528

2194Snakes&SnakesICPC Ural Regional Contest Qualifier 202352791

2195Binary TreesICPC Ural Regional Contest Qualifier 2023161886

2196ApocalypseICPC Ural Regional Contest Qualifier 2023171809

2197Work is not a wolf; a wolf is to walkICPC Ural Regional Contest Qualifier 2024142044

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024271323

2199Company QuestionICPC Ural Regional Contest Qualifier 2024301226

2216Big ElevatorICPC Ural Regional Contest Qualifier 202526801

2217Binary SortICPC Ural Regional Contest Qualifier 202532687

2218ProrunICPC Ural Regional Contest Qualifier 2025141201

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 2025161107

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202519994

2221Convex Hull TreapICPC Ural Regional Contest Qualifier 2025101438

2222Сavalry Battle AdvancedICPC Ural Regional Contest Qualifier 2025101438
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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