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Problem set. NEERC Regionals

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

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4410337

1054Tower of HanoiNEERC 2000 Central Subregional2326638

1055CombinationsNEERC 2000 Central Subregional3571416

1056Centers of the NetNEERC 2000 Central Subregional2715547

1057Amount of DegreesNEERC 2000 Central Subregional2093709

1058ChocolateNEERC 2000 Central Subregional5222796

1059ExpressionNEERC 2000 Central Subregional2219669

1133Fibonacci SequenceNEERC 2001 Central Subregional2212223

1134CardsNEERC 2001 Central Subregional2530195

1135RecruitsNEERC 2001 Central Subregional3048162

1136ParliamentNEERC 2001 Central Subregional497099

1137Bus RoutesNEERC 2001 Central Subregional1515324

1138Integer PercentageNEERC 2001 Central Subregional2446201

1139City BlocksNEERC 2001 Central Subregional639977

1140Swamp IncidentNEERC 2001 Central Subregional1305376

1158Censored!NEERC 2001 Northern Subregional970505

1159FenceNEERC 2001 Northern Subregional648753

1160NetworkNEERC 2001 Northern Subregional3286152

1161StripiesNEERC 2001 Northern Subregional541791

1162Currency ExchangeNEERC 2001 Northern Subregional2359209

1163ChapaevNEERC 2001 Northern Subregional1064270

1164FillwordNEERC 2001 Northern Subregional2411205

1165SubnumberNEERC 2001 Northern Subregional531916

1166Funny Card GameNEERC 2001 Northern Subregional1323570

1224SpiralNEERC 2002 Central Subregional759166

1225FlagsNEERC 2002 Central Subregional1413335

1226esreveR redrONEERC 2002 Central Subregional4418113

1227Rally ChampionshipNEERC 2002 Central Subregional1658300

1228ArrayNEERC 2002 Central Subregional4660107

1229Strong BrickworkNEERC 2002 Central Subregional1309380

1230Introspective ProgramNEERC 2002 Central Subregional652757

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2232151

1232Asteroid LandingNEERC 2002 Central Subregional2022364

1274Fractional ArithmeticNEERC 2003 Central Subregional729687

1275Knights of the Round TableNEERC 2003 Central Subregional2042371

1276TrainNEERC 2003 Central Subregional682733

1277Cops and ThievesNEERC 2003 Central Subregional632790

1278“… Connecting People”NEERC 2003 Central Subregional508979

1279WarehouseNEERC 2003 Central Subregional1192422

1280Topological SortingNEERC 2003 Central Subregional3571142

1281River BasinNEERC 2003 Central Subregional3571382

1282Game TreeNEERC 2003 Central Subregional1498336

1500Pass LicensesNEERC 2006 Eastern Subregional744634

1501Sense of BeautyNEERC 2006 Eastern Subregional1787266

1502Domino DotsNEERC 2006 Eastern Subregional649573

1503PolynomialNEERC 2006 Eastern Subregional2661732

1504Good MannersNEERC 2006 Eastern Subregional2052224

1505Oil TransferNEERC 2006 Eastern Subregional1532933

1506Columns of NumbersNEERC 2006 Eastern Subregional3426139

1507Difficult DecisionNEERC 2006 Eastern Subregional1068444

1508Japanese PuzzleNEERC 2006 Eastern Subregional2811643

1509Domino RecognitionNEERC 2006 Eastern Subregional1273490

1510OrderNEERC 2006 Eastern Subregional550587

1582BookmakersNEERC 2007 Eastern Subregional3654121

1583CheeseNEERC 2007 Eastern Subregional2251888

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161361

1585PenguinsNEERC 2007 Eastern Subregional1167838

1586Threeprime NumbersNEERC 2007 Eastern Subregional3067144

1587Flying PigNEERC 2007 Eastern Subregional538810

1588JamaicaNEERC 2007 Eastern Subregional1357325

1589SokobanNEERC 2007 Eastern Subregional1915301

1590Bacon’s CipherNEERC 2007 Eastern Subregional2327190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4081062

1592Chinese WatchesNEERC 2007 Eastern Subregional733597

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487082

1650BillionairesNEERC 2008 Eastern Subregional2121193

1651Shortest SubchainNEERC 2008 Eastern Subregional1178346

1652Banking CrisisNEERC 2008 Eastern Subregional1412720

1653Death ConveyorNEERC 2008 Eastern Subregional516734

1654Cipher MessageNEERC 2008 Eastern Subregional698659

1655Somali PiratesNEERC 2008 Eastern Subregional2081884

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2011203

1657Cube SnakeNEERC 2008 Eastern Subregional2611516

1658Sum of DigitsNEERC 2008 Eastern Subregional2054199

1659Regular TrianglesNEERC 2008 Eastern Subregional625647

1711Code NamesNEERC 2009 Eastern Subregional2897131

1712Cipher GrilleNEERC 2009 Eastern Subregional455184

1713Key SubstringsNEERC 2009 Eastern Subregional604622

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093209

1715Another Ball KillerNEERC 2009 Eastern Subregional3721000

1716Alternative SolutionNEERC 2009 Eastern Subregional489765

1717Eligibility RulesNEERC 2009 Eastern Subregional1632207

1718RejudgeNEERC 2009 Eastern Subregional1254302

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2471486

1720Summit Online JudgeNEERC 2009 Eastern Subregional380979

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional653576

1800Murphy's LawNEERC 2010 Eastern Subregional2085167

1801The Revolution CupNEERC 2010 Eastern Subregional535570

1802Cube PuzzleNEERC 2010 Eastern Subregional1582089

1803The Czechs' RiflesNEERC 2010 Eastern Subregional472728

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional869399

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional345988

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1737201

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301462

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711939

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional592583

1885Passenger ComfortNEERC 2011 Eastern Subregional1660193

1886Trip 2NEERC 2011 Eastern Subregional1452084

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2951059

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional703453

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1082296

1890Money out of Thin AirNEERC 2011 Eastern Subregional700455

1891Language OceanNEERC 2011 Eastern Subregional463683

1892Morning in KoltsovoNEERC 2011 Eastern Subregional362868

1893A380NEERC 2011 Eastern Subregional558358

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2091475

1895Steaks on BoardNEERC 2011 Eastern Subregional1412139

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional894333

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564494

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291241

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1511842

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional584362

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1379214

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803296

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1283229

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional312921

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1352046

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional410706

1990PodracingNEERC 2013 Eastern Subregional2531028

1991The battle near the swampNEERC 2013 Eastern Subregional585146

1992CVSNEERC 2013 Eastern Subregional703379

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1362197

1994The Emperor's planNEERC 2013 Eastern Subregional2491044

1995Illegal spicesNEERC 2013 Eastern Subregional448590

1996Cipher Message 3NEERC 2013 Eastern Subregional2101228

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional497533

1998The old PadawanNEERC 2013 Eastern Subregional743359

1999The secret moduleNEERC 2013 Eastern Subregional306757

2012About Grisha N.NEERC 2014 Eastern Subregional1504016

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional257922

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional453532

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional836291

2016Magic and ScienceNEERC 2014 Eastern Subregional198491

2017Best of a bad lotNEERC 2014 Eastern Subregional1761324

2018The Debut AlbumNEERC 2014 Eastern Subregional2436101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional874279

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1613152

2021Scarily interesting!NEERC 2014 Eastern Subregional550440

2022Riding a ToadNEERC 2014 Eastern Subregional573675

2023Donald is a postmanNEERC 2014 Eastern Subregional651038

2074Timus problems classifierQualification of Eastern Subregional 2015211966

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015662808

2076VasianaQualification of Eastern Subregional 2015177904

2077ReductionsQualification of Eastern Subregional 2015187621
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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