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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4456342

1054Tower of HanoiNEERC 2000 Central Subregional2371642

1055CombinationsNEERC 2000 Central Subregional3609422

1056Centers of the NetNEERC 2000 Central Subregional2769550

1057Amount of DegreesNEERC 2000 Central Subregional2126715

1058ChocolateNEERC 2000 Central Subregional5432756

1059ExpressionNEERC 2000 Central Subregional2248677

1133Fibonacci SequenceNEERC 2001 Central Subregional2248224

1134CardsNEERC 2001 Central Subregional2568197

1135RecruitsNEERC 2001 Central Subregional3158160

1136ParliamentNEERC 2001 Central Subregional5067100

1137Bus RoutesNEERC 2001 Central Subregional1562322

1138Integer PercentageNEERC 2001 Central Subregional2482203

1139City BlocksNEERC 2001 Central Subregional647778

1140Swamp IncidentNEERC 2001 Central Subregional1320381

1158Censored!NEERC 2001 Northern Subregional999503

1159FenceNEERC 2001 Northern Subregional664753

1160NetworkNEERC 2001 Northern Subregional3495146

1161StripiesNEERC 2001 Northern Subregional547592

1162Currency ExchangeNEERC 2001 Northern Subregional2571197

1163ChapaevNEERC 2001 Northern Subregional1183963

1164FillwordNEERC 2001 Northern Subregional2447206

1165SubnumberNEERC 2001 Northern Subregional536929

1166Funny Card GameNEERC 2001 Northern Subregional1363552

1224SpiralNEERC 2002 Central Subregional775266

1225FlagsNEERC 2002 Central Subregional1465535

1226esreveR redrONEERC 2002 Central Subregional4505114

1227Rally ChampionshipNEERC 2002 Central Subregional1693301

1228ArrayNEERC 2002 Central Subregional4726108

1229Strong BrickworkNEERC 2002 Central Subregional1325384

1230Introspective ProgramNEERC 2002 Central Subregional637793

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2242192

1232Asteroid LandingNEERC 2002 Central Subregional2062375

1274Fractional ArithmeticNEERC 2003 Central Subregional754679

1275Knights of the Round TableNEERC 2003 Central Subregional2062403

1276TrainNEERC 2003 Central Subregional696735

1277Cops and ThievesNEERC 2003 Central Subregional589866

1278“… Connecting People”NEERC 2003 Central Subregional516987

1279WarehouseNEERC 2003 Central Subregional1218423

1280Topological SortingNEERC 2003 Central Subregional3661141

1281River BasinNEERC 2003 Central Subregional2771808

1282Game TreeNEERC 2003 Central Subregional1530337

1500Pass LicensesNEERC 2006 Eastern Subregional756640

1501Sense of BeautyNEERC 2006 Eastern Subregional1827267

1502Domino DotsNEERC 2006 Eastern Subregional662774

1503PolynomialNEERC 2006 Eastern Subregional2741727

1504Good MannersNEERC 2006 Eastern Subregional2102229

1505Oil TransferNEERC 2006 Eastern Subregional1602885

1506Columns of NumbersNEERC 2006 Eastern Subregional3561137

1507Difficult DecisionNEERC 2006 Eastern Subregional1094444

1508Japanese PuzzleNEERC 2006 Eastern Subregional2971598

1509Domino RecognitionNEERC 2006 Eastern Subregional1333430

1510OrderNEERC 2006 Eastern Subregional565587

1582BookmakersNEERC 2007 Eastern Subregional3717123

1583CheeseNEERC 2007 Eastern Subregional2381842

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3321336

1585PenguinsNEERC 2007 Eastern Subregional1202538

1586Threeprime NumbersNEERC 2007 Eastern Subregional3163144

1587Flying PigNEERC 2007 Eastern Subregional547820

1588JamaicaNEERC 2007 Eastern Subregional1393326

1589SokobanNEERC 2007 Eastern Subregional628555

1590Bacon’s CipherNEERC 2007 Eastern Subregional2443186

1591Abstract ThinkingNEERC 2007 Eastern Subregional4271046

1592Chinese WatchesNEERC 2007 Eastern Subregional767588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional516962

1650BillionairesNEERC 2008 Eastern Subregional2297184

1651Shortest SubchainNEERC 2008 Eastern Subregional1221345

1652Banking CrisisNEERC 2008 Eastern Subregional1482688

1653Death ConveyorNEERC 2008 Eastern Subregional586246

1654Cipher MessageNEERC 2008 Eastern Subregional710460

1655Somali PiratesNEERC 2008 Eastern Subregional2211839

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2055206

1657Cube SnakeNEERC 2008 Eastern Subregional2671533

1658Sum of DigitsNEERC 2008 Eastern Subregional2089202

1659Regular TrianglesNEERC 2008 Eastern Subregional641652

1711Code NamesNEERC 2009 Eastern Subregional2952134

1712Cipher GrilleNEERC 2009 Eastern Subregional461286

1713Key SubstringsNEERC 2009 Eastern Subregional619630

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1133223

1715Another Ball KillerNEERC 2009 Eastern Subregional3841006

1716Alternative SolutionNEERC 2009 Eastern Subregional530734

1717Eligibility RulesNEERC 2009 Eastern Subregional1692215

1718RejudgeNEERC 2009 Eastern Subregional1283307

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2621458

1720Summit Online JudgeNEERC 2009 Eastern Subregional397974

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional675579

1800Murphy's LawNEERC 2010 Eastern Subregional2168168

1801The Revolution CupNEERC 2010 Eastern Subregional565549

1802Cube PuzzleNEERC 2010 Eastern Subregional1632117

1803The Czechs' RiflesNEERC 2010 Eastern Subregional508707

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional889407

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional3531009

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1910191

1807Cartridges for MaximNEERC 2010 Eastern Subregional2371483

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1841888

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional611590

1885Passenger ComfortNEERC 2011 Eastern Subregional1769191

1886Trip 2NEERC 2011 Eastern Subregional1542067

1887Frequent Flyer CardNEERC 2011 Eastern Subregional3101059

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional730458

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1104304

1890Money out of Thin AirNEERC 2011 Eastern Subregional726461

1891Language OceanNEERC 2011 Eastern Subregional472703

1892Morning in KoltsovoNEERC 2011 Eastern Subregional373885

1893A380NEERC 2011 Eastern Subregional568060

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2271430

1895Steaks on BoardNEERC 2011 Eastern Subregional1482145

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional926134

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional594540

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2371268

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1531922

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional693965

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1401222

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional893164

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1304238

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional324938

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1392102

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional424722

1990PodracingNEERC 2013 Eastern Subregional2621057

1991The battle near the swampNEERC 2013 Eastern Subregional602348

1992CVSNEERC 2013 Eastern Subregional773367

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1418201

1994The Emperor's planNEERC 2013 Eastern Subregional2631053

1995Illegal spicesNEERC 2013 Eastern Subregional465605

1996Cipher Message 3NEERC 2013 Eastern Subregional2211245

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional519544

1998The old PadawanNEERC 2013 Eastern Subregional762372

1999The secret moduleNEERC 2013 Eastern Subregional346535

2012About Grisha N.NEERC 2014 Eastern Subregional1578617

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional270943

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional473547

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional883296

2016Magic and ScienceNEERC 2014 Eastern Subregional257545

2017Best of a bad lotNEERC 2014 Eastern Subregional1851354

2018The Debut AlbumNEERC 2014 Eastern Subregional2605101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional893292

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1648159

2021Scarily interesting!NEERC 2014 Eastern Subregional570455

2022Riding a ToadNEERC 2014 Eastern Subregional603772

2023Donald is a postmanNEERC 2014 Eastern Subregional676539

2074Timus problems classifierNEERC 2015 Eastern Subregional Qualifier223996

2075Take care of your eyebrows!NEERC 2015 Eastern Subregional Qualifier742762

2076VasianaNEERC 2015 Eastern Subregional Qualifier237030

2077ReductionsNEERC 2015 Eastern Subregional Qualifier237030

2190Match of the MillenniumICPC Ural Regional Contest Qualifier 2022301209

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 2022112297

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022381008

2193Old Barabarian RapICPC Ural Regional Contest Qualifier 2022201608

2194Snakes&SnakesICPC Ural Regional Contest Qualifier 202350806

2195Binary TreesICPC Ural Regional Contest Qualifier 2023142016

2196ApocalypseICPC Ural Regional Contest Qualifier 2023132095

2197Work is not a wolf; a wolf is to walkICPC Ural Regional Contest Qualifier 2024122199

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024261341

2199Company QuestionICPC Ural Regional Contest Qualifier 2024291240

2216Big ElevatorICPC Ural Regional Contest Qualifier 2025161083

2217Binary SortICPC Ural Regional Contest Qualifier 202524829

2218ProrunICPC Ural Regional Contest Qualifier 202591481

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 2025101405

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 2025131223

2221Convex Hull TreapICPC Ural Regional Contest Qualifier 202571652

2222Сavalry Battle AdvancedICPC Ural Regional Contest Qualifier 202551872
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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