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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4464343

1054Tower of HanoiNEERC 2000 Central Subregional2382642

1055CombinationsNEERC 2000 Central Subregional3617423

1056Centers of the NetNEERC 2000 Central Subregional2775551

1057Amount of DegreesNEERC 2000 Central Subregional2131717

1058ChocolateNEERC 2000 Central Subregional5492739

1059ExpressionNEERC 2000 Central Subregional2254678

1133Fibonacci SequenceNEERC 2001 Central Subregional2253225

1134CardsNEERC 2001 Central Subregional2573197

1135RecruitsNEERC 2001 Central Subregional3165160

1136ParliamentNEERC 2001 Central Subregional5081100

1137Bus RoutesNEERC 2001 Central Subregional1599316

1138Integer PercentageNEERC 2001 Central Subregional2486204

1139City BlocksNEERC 2001 Central Subregional649478

1140Swamp IncidentNEERC 2001 Central Subregional1321382

1158Censored!NEERC 2001 Northern Subregional1004502

1159FenceNEERC 2001 Northern Subregional669750

1160NetworkNEERC 2001 Northern Subregional3661140

1161StripiesNEERC 2001 Northern Subregional548393

1162Currency ExchangeNEERC 2001 Northern Subregional2747185

1163ChapaevNEERC 2001 Northern Subregional1273719

1164FillwordNEERC 2001 Northern Subregional2450207

1165SubnumberNEERC 2001 Northern Subregional545918

1166Funny Card GameNEERC 2001 Northern Subregional1413450

1224SpiralNEERC 2002 Central Subregional777066

1225FlagsNEERC 2002 Central Subregional1470835

1226esreveR redrONEERC 2002 Central Subregional4516114

1227Rally ChampionshipNEERC 2002 Central Subregional1702301

1228ArrayNEERC 2002 Central Subregional4737109

1229Strong BrickworkNEERC 2002 Central Subregional1328385

1230Introspective ProgramNEERC 2002 Central Subregional640793

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2282165

1232Asteroid LandingNEERC 2002 Central Subregional2122321

1274Fractional ArithmeticNEERC 2003 Central Subregional759678

1275Knights of the Round TableNEERC 2003 Central Subregional2212257

1276TrainNEERC 2003 Central Subregional700734

1277Cops and ThievesNEERC 2003 Central Subregional594863

1278“… Connecting People”NEERC 2003 Central Subregional522980

1279WarehouseNEERC 2003 Central Subregional1221423

1280Topological SortingNEERC 2003 Central Subregional3701140

1281River BasinNEERC 2003 Central Subregional2821785

1282Game TreeNEERC 2003 Central Subregional1535337

1500Pass LicensesNEERC 2006 Eastern Subregional758642

1501Sense of BeautyNEERC 2006 Eastern Subregional1834267

1502Domino DotsNEERC 2006 Eastern Subregional664274

1503PolynomialNEERC 2006 Eastern Subregional2781711

1504Good MannersNEERC 2006 Eastern Subregional2152191

1505Oil TransferNEERC 2006 Eastern Subregional1642833

1506Columns of NumbersNEERC 2006 Eastern Subregional3569138

1507Difficult DecisionNEERC 2006 Eastern Subregional1097445

1508Japanese PuzzleNEERC 2006 Eastern Subregional3041570

1509Domino RecognitionNEERC 2006 Eastern Subregional1373353

1510OrderNEERC 2006 Eastern Subregional566587

1582BookmakersNEERC 2007 Eastern Subregional3727123

1583CheeseNEERC 2007 Eastern Subregional2421823

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3341336

1585PenguinsNEERC 2007 Eastern Subregional1208238

1586Threeprime NumbersNEERC 2007 Eastern Subregional3186144

1587Flying PigNEERC 2007 Eastern Subregional550820

1588JamaicaNEERC 2007 Eastern Subregional1401326

1589SokobanNEERC 2007 Eastern Subregional924182

1590Bacon’s CipherNEERC 2007 Eastern Subregional2458186

1591Abstract ThinkingNEERC 2007 Eastern Subregional4301044

1592Chinese WatchesNEERC 2007 Eastern Subregional773587

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional556576

1650BillionairesNEERC 2008 Eastern Subregional2443174

1651Shortest SubchainNEERC 2008 Eastern Subregional1227346

1652Banking CrisisNEERC 2008 Eastern Subregional1512655

1653Death ConveyorNEERC 2008 Eastern Subregional635855

1654Cipher MessageNEERC 2008 Eastern Subregional713060

1655Somali PiratesNEERC 2008 Eastern Subregional2241827

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2069206

1657Cube SnakeNEERC 2008 Eastern Subregional2691532

1658Sum of DigitsNEERC 2008 Eastern Subregional2093203

1659Regular TrianglesNEERC 2008 Eastern Subregional647651

1711Code NamesNEERC 2009 Eastern Subregional2961134

1712Cipher GrilleNEERC 2009 Eastern Subregional462486

1713Key SubstringsNEERC 2009 Eastern Subregional622632

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1153195

1715Another Ball KillerNEERC 2009 Eastern Subregional3851011

1716Alternative SolutionNEERC 2009 Eastern Subregional537730

1717Eligibility RulesNEERC 2009 Eastern Subregional1732182

1718RejudgeNEERC 2009 Eastern Subregional1288308

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2651452

1720Summit Online JudgeNEERC 2009 Eastern Subregional400974

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional680579

1800Murphy's LawNEERC 2010 Eastern Subregional2175169

1801The Revolution CupNEERC 2010 Eastern Subregional615201

1802Cube PuzzleNEERC 2010 Eastern Subregional1672086

1803The Czechs' RiflesNEERC 2010 Eastern Subregional509711

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional892409

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional3561009

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2070178

1807Cartridges for MaximNEERC 2010 Eastern Subregional2401477

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1871874

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional612594

1885Passenger ComfortNEERC 2011 Eastern Subregional1775192

1886Trip 2NEERC 2011 Eastern Subregional1572049

1887Frequent Flyer CardNEERC 2011 Eastern Subregional3111066

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional733460

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1108306

1890Money out of Thin AirNEERC 2011 Eastern Subregional729463

1891Language OceanNEERC 2011 Eastern Subregional473708

1892Morning in KoltsovoNEERC 2011 Eastern Subregional376886

1893A380NEERC 2011 Eastern Subregional569860

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2291431

1895Steaks on BoardNEERC 2011 Eastern Subregional1522112

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional928334

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional624396

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2391271

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1581884

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional743768

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1404224

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional933073

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1307240

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional329934

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1432069

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional426726

1990PodracingNEERC 2013 Eastern Subregional2641062

1991The battle near the swampNEERC 2013 Eastern Subregional604848

1992CVSNEERC 2013 Eastern Subregional780368

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1426203

1994The Emperor's planNEERC 2013 Eastern Subregional2671050

1995Illegal spicesNEERC 2013 Eastern Subregional466611

1996Cipher Message 3NEERC 2013 Eastern Subregional2241243

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional522547

1998The old PadawanNEERC 2013 Eastern Subregional764376

1999The secret moduleNEERC 2013 Eastern Subregional395937

2012About Grisha N.NEERC 2014 Eastern Subregional1587717

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional276936

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional479547

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional888298

2016Magic and ScienceNEERC 2014 Eastern Subregional316526

2017Best of a bad lotNEERC 2014 Eastern Subregional1931318

2018The Debut AlbumNEERC 2014 Eastern Subregional2630101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional899294

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1654161

2021Scarily interesting!NEERC 2014 Eastern Subregional575457

2022Riding a ToadNEERC 2014 Eastern Subregional643616

2023Donald is a postmanNEERC 2014 Eastern Subregional679039

2074Timus problems classifierNEERC 2015 Eastern Subregional Qualifier233970

2075Take care of your eyebrows!NEERC 2015 Eastern Subregional Qualifier782678

2076VasianaNEERC 2015 Eastern Subregional Qualifier266546

2077ReductionsNEERC 2015 Eastern Subregional Qualifier266546

2190Match of the MillenniumICPC Ural Regional Contest Qualifier 2022371125

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 2022171953

2192My GrandfatherICPC Ural Regional Contest Qualifier 202248912

2193Old Barabarian RapICPC Ural Regional Contest Qualifier 2022261465

2194Snakes&SnakesICPC Ural Regional Contest Qualifier 202396499

2195Binary TreesICPC Ural Regional Contest Qualifier 2023241555

2196ApocalypseICPC Ural Regional Contest Qualifier 2023231597

2197Work is not a wolf; a wolf is to walkICPC Ural Regional Contest Qualifier 2024191823

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024331228

2199Company QuestionICPC Ural Regional Contest Qualifier 2024361150

2216Big ElevatorICPC Ural Regional Contest Qualifier 202538683

2217Binary SortICPC Ural Regional Contest Qualifier 202547575

2218ProrunICPC Ural Regional Contest Qualifier 202523992

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 202524962

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202533761

2221Convex Hull TreapICPC Ural Regional Contest Qualifier 2025181167

2222Cavalry Battle AdvancedICPC Ural Regional Contest Qualifier 2025171210
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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