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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4459343

1054Tower of HanoiNEERC 2000 Central Subregional2380641

1055CombinationsNEERC 2000 Central Subregional3614423

1056Centers of the NetNEERC 2000 Central Subregional2774551

1057Amount of DegreesNEERC 2000 Central Subregional2130716

1058ChocolateNEERC 2000 Central Subregional5482741

1059ExpressionNEERC 2000 Central Subregional2251678

1133Fibonacci SequenceNEERC 2001 Central Subregional2252225

1134CardsNEERC 2001 Central Subregional2571197

1135RecruitsNEERC 2001 Central Subregional3163160

1136ParliamentNEERC 2001 Central Subregional5079100

1137Bus RoutesNEERC 2001 Central Subregional1596316

1138Integer PercentageNEERC 2001 Central Subregional2486204

1139City BlocksNEERC 2001 Central Subregional648778

1140Swamp IncidentNEERC 2001 Central Subregional1321382

1158Censored!NEERC 2001 Northern Subregional1003502

1159FenceNEERC 2001 Northern Subregional668751

1160NetworkNEERC 2001 Northern Subregional3649141

1161StripiesNEERC 2001 Northern Subregional548093

1162Currency ExchangeNEERC 2001 Northern Subregional2736185

1163ChapaevNEERC 2001 Northern Subregional1243798

1164FillwordNEERC 2001 Northern Subregional2449207

1165SubnumberNEERC 2001 Northern Subregional541924

1166Funny Card GameNEERC 2001 Northern Subregional1393492

1224SpiralNEERC 2002 Central Subregional776466

1225FlagsNEERC 2002 Central Subregional1469535

1226esreveR redrONEERC 2002 Central Subregional4512114

1227Rally ChampionshipNEERC 2002 Central Subregional1700301

1228ArrayNEERC 2002 Central Subregional4733108

1229Strong BrickworkNEERC 2002 Central Subregional1326385

1230Introspective ProgramNEERC 2002 Central Subregional639793

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2272171

1232Asteroid LandingNEERC 2002 Central Subregional2092350

1274Fractional ArithmeticNEERC 2003 Central Subregional757679

1275Knights of the Round TableNEERC 2003 Central Subregional2182284

1276TrainNEERC 2003 Central Subregional700733

1277Cops and ThievesNEERC 2003 Central Subregional594862

1278“… Connecting People”NEERC 2003 Central Subregional520982

1279WarehouseNEERC 2003 Central Subregional1220423

1280Topological SortingNEERC 2003 Central Subregional3699140

1281River BasinNEERC 2003 Central Subregional2811789

1282Game TreeNEERC 2003 Central Subregional1533337

1500Pass LicensesNEERC 2006 Eastern Subregional758641

1501Sense of BeautyNEERC 2006 Eastern Subregional1832267

1502Domino DotsNEERC 2006 Eastern Subregional663674

1503PolynomialNEERC 2006 Eastern Subregional2771715

1504Good MannersNEERC 2006 Eastern Subregional2132207

1505Oil TransferNEERC 2006 Eastern Subregional1622862

1506Columns of NumbersNEERC 2006 Eastern Subregional3568138

1507Difficult DecisionNEERC 2006 Eastern Subregional1096445

1508Japanese PuzzleNEERC 2006 Eastern Subregional3031573

1509Domino RecognitionNEERC 2006 Eastern Subregional1353395

1510OrderNEERC 2006 Eastern Subregional566187

1582BookmakersNEERC 2007 Eastern Subregional3725123

1583CheeseNEERC 2007 Eastern Subregional2411828

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3331338

1585PenguinsNEERC 2007 Eastern Subregional1206838

1586Threeprime NumbersNEERC 2007 Eastern Subregional3184144

1587Flying PigNEERC 2007 Eastern Subregional549821

1588JamaicaNEERC 2007 Eastern Subregional1396326

1589SokobanNEERC 2007 Eastern Subregional825486

1590Bacon’s CipherNEERC 2007 Eastern Subregional2458186

1591Abstract ThinkingNEERC 2007 Eastern Subregional4301043

1592Chinese WatchesNEERC 2007 Eastern Subregional771587

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional536773

1650BillionairesNEERC 2008 Eastern Subregional2433175

1651Shortest SubchainNEERC 2008 Eastern Subregional1226345

1652Banking CrisisNEERC 2008 Eastern Subregional1502667

1653Death ConveyorNEERC 2008 Eastern Subregional606095

1654Cipher MessageNEERC 2008 Eastern Subregional712060

1655Somali PiratesNEERC 2008 Eastern Subregional2231831

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2069205

1657Cube SnakeNEERC 2008 Eastern Subregional2681535

1658Sum of DigitsNEERC 2008 Eastern Subregional2093203

1659Regular TrianglesNEERC 2008 Eastern Subregional646650

1711Code NamesNEERC 2009 Eastern Subregional2958134

1712Cipher GrilleNEERC 2009 Eastern Subregional462086

1713Key SubstringsNEERC 2009 Eastern Subregional622631

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1143214

1715Another Ball KillerNEERC 2009 Eastern Subregional3841012

1716Alternative SolutionNEERC 2009 Eastern Subregional537729

1717Eligibility RulesNEERC 2009 Eastern Subregional1722190

1718RejudgeNEERC 2009 Eastern Subregional1285308

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2641455

1720Summit Online JudgeNEERC 2009 Eastern Subregional398977

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional680578

1800Murphy's LawNEERC 2010 Eastern Subregional2171169

1801The Revolution CupNEERC 2010 Eastern Subregional585418

1802Cube PuzzleNEERC 2010 Eastern Subregional1662093

1803The Czechs' RiflesNEERC 2010 Eastern Subregional508711

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional891409

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional3551009

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2055178

1807Cartridges for MaximNEERC 2010 Eastern Subregional2371492

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1851889

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional611593

1885Passenger ComfortNEERC 2011 Eastern Subregional1774191

1886Trip 2NEERC 2011 Eastern Subregional1552068

1887Frequent Flyer CardNEERC 2011 Eastern Subregional3101066

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional730461

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1106306

1890Money out of Thin AirNEERC 2011 Eastern Subregional726464

1891Language OceanNEERC 2011 Eastern Subregional472708

1892Morning in KoltsovoNEERC 2011 Eastern Subregional375886

1893A380NEERC 2011 Eastern Subregional569260

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2281434

1895Steaks on BoardNEERC 2011 Eastern Subregional1502133

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional927434

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional604509

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2371278

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1551913

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional713897

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1403223

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional913125

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1306240

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional328934

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1422077

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional426724

1990PodracingNEERC 2013 Eastern Subregional2621066

1991The battle near the swampNEERC 2013 Eastern Subregional604048

1992CVSNEERC 2013 Eastern Subregional775369

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1423202

1994The Emperor's planNEERC 2013 Eastern Subregional2651054

1995Illegal spicesNEERC 2013 Eastern Subregional465611

1996Cipher Message 3NEERC 2013 Eastern Subregional2231245

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional521546

1998The old PadawanNEERC 2013 Eastern Subregional762376

1999The secret moduleNEERC 2013 Eastern Subregional366304

2012About Grisha N.NEERC 2014 Eastern Subregional1585317

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional271949

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional476549

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional884298

2016Magic and ScienceNEERC 2014 Eastern Subregional287016

2017Best of a bad lotNEERC 2014 Eastern Subregional1871353

2018The Debut AlbumNEERC 2014 Eastern Subregional2623101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional895295

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1652160

2021Scarily interesting!NEERC 2014 Eastern Subregional572458

2022Riding a ToadNEERC 2014 Eastern Subregional613755

2023Donald is a postmanNEERC 2014 Eastern Subregional678539

2074Timus problems classifierNEERC 2015 Eastern Subregional Qualifier230978

2075Take care of your eyebrows!NEERC 2015 Eastern Subregional Qualifier762728

2076VasianaNEERC 2015 Eastern Subregional Qualifier256704

2077ReductionsNEERC 2015 Eastern Subregional Qualifier256704

2190Match of the MillenniumICPC Ural Regional Contest Qualifier 2022341174

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 2022132239

2192My GrandfatherICPC Ural Regional Contest Qualifier 202244957

2193Old Barabarian RapICPC Ural Regional Contest Qualifier 2022231561

2194Snakes&SnakesICPC Ural Regional Contest Qualifier 202387532

2195Binary TreesICPC Ural Regional Contest Qualifier 2023171913

2196ApocalypseICPC Ural Regional Contest Qualifier 2023201715

2197Work is not a wolf; a wolf is to walkICPC Ural Regional Contest Qualifier 2024142152

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024291322

2199Company QuestionICPC Ural Regional Contest Qualifier 2024311260

2216Big ElevatorICPC Ural Regional Contest Qualifier 202534716

2217Binary SortICPC Ural Regional Contest Qualifier 202541618

2218ProrunICPC Ural Regional Contest Qualifier 2025171166

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 2025161209

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202524926

2221Convex Hull TreapICPC Ural Regional Contest Qualifier 2025101571

2222Cavalry Battle AdvancedICPC Ural Regional Contest Qualifier 2025131366
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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