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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4200316

1054Hanoi TowerNEERC 2000 Central Subregional2018656

1055CombinationsNEERC 2000 Central Subregional3354396

1056Computer NetNEERC 2000 Central Subregional2493532

1057Amount of DegreesNEERC 2000 Central Subregional1872707

1058ChocolateNEERC 2000 Central Subregional4522874

1059ExpressionNEERC 2000 Central Subregional2106629

1133Fibonacci SequenceNEERC 2001 Central Subregional2414183

1134CardsNEERC 2001 Central Subregional2440181

1135RecruitsNEERC 2001 Central Subregional2698164

1136ParliamentNEERC 2001 Central Subregional446599

1137Bus RoutesNEERC 2001 Central Subregional1491295

1138Integer PercentageNEERC 2001 Central Subregional2223198

1139City BlocksNEERC 2001 Central Subregional570078

1140Swamp IncidentNEERC 2001 Central Subregional1196367

1158Censored!NEERC 2001 Northern Subregional870504

1159FenceNEERC 2001 Northern Subregional603724

1160NetworkNEERC 2001 Northern Subregional1519295

1161StripiesNEERC 2001 Northern Subregional484891

1162Currency ExchangeNEERC 2001 Northern Subregional993442

1163ChapaevNEERC 2001 Northern Subregional2161963

1164FillwordNEERC 2001 Northern Subregional2215199

1165SubnumberNEERC 2001 Northern Subregional493882

1166Funny Card GameNEERC 2001 Northern Subregional1183567

1224SpiralNEERC 2002 Central Subregional663668

1225FlagsNEERC 2002 Central Subregional1183438

1226esreveR redrONEERC 2002 Central Subregional4033111

1227Rally ChampionshipNEERC 2002 Central Subregional1439311

1228ArrayNEERC 2002 Central Subregional4315104

1229Strong BrickworkNEERC 2002 Central Subregional1154387

1230Introspective ProgramNEERC 2002 Central Subregional601737

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012133

1232Asteroid LandingNEERC 2002 Central Subregional1862296

1274Fractional ArithmeticNEERC 2003 Central Subregional654688

1275Knights of the Round TableNEERC 2003 Central Subregional1612672

1276TrainNEERC 2003 Central Subregional570788

1277Cops and ThievesNEERC 2003 Central Subregional573784

1278“… Connecting People”NEERC 2003 Central Subregional452989

1279WarehouseNEERC 2003 Central Subregional1082418

1280Topological SortingNEERC 2003 Central Subregional3108147

1281River BasinNEERC 2003 Central Subregional3191389

1282Game TreeNEERC 2003 Central Subregional1343338

1500Pass LicensesNEERC 2006 Eastern Subregional659635

1501Sense of BeautyNEERC 2006 Eastern Subregional1564270

1502Domino DotsNEERC 2006 Eastern Subregional564975

1503PolynomialNEERC 2006 Eastern Subregional2271792

1504Good MannersNEERC 2006 Eastern Subregional1742308

1505Oil TransferNEERC 2006 Eastern Subregional1313012

1506Columns of NumbersNEERC 2006 Eastern Subregional2709156

1507Difficult DecisionNEERC 2006 Eastern Subregional982428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2391706

1509Domino RecognitionNEERC 2006 Eastern Subregional1043726

1510OrderNEERC 2006 Eastern Subregional477989

1582BookmakersNEERC 2007 Eastern Subregional3329116

1583CheeseNEERC 2007 Eastern Subregional2061791

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991252

1585PenguinsNEERC 2007 Eastern Subregional944341

1586Threeprime NumbersNEERC 2007 Eastern Subregional2510154

1587Flying PigNEERC 2007 Eastern Subregional472803

1588JamaicaNEERC 2007 Eastern Subregional1213316

1589SokobanNEERC 2007 Eastern Subregional821492

1590Bacon’s CipherNEERC 2007 Eastern Subregional1758219

1591Abstract ThinkingNEERC 2007 Eastern Subregional3721013

1592Chinese WatchesNEERC 2007 Eastern Subregional653584

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407011

1650BillionairesNEERC 2008 Eastern Subregional739468

1651Shortest SubchainNEERC 2008 Eastern Subregional999347

1652Banking CrisisNEERC 2008 Eastern Subregional1302504

1653Death ConveyorNEERC 2008 Eastern Subregional407010

1654Cipher MessageNEERC 2008 Eastern Subregional573961

1655Somali PiratesNEERC 2008 Eastern Subregional1622038

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1775196

1657Cube SnakeNEERC 2008 Eastern Subregional2421391

1658Sum of DigitsNEERC 2008 Eastern Subregional1431243

1659Regular TrianglesNEERC 2008 Eastern Subregional557618

1711Code NamesNEERC 2009 Eastern Subregional2559124

1712Cipher GrilleNEERC 2009 Eastern Subregional405778

1713Key SubstringsNEERC 2009 Eastern Subregional534586

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022845

1715Another Ball KillerNEERC 2009 Eastern Subregional326948

1716Alternative SolutionNEERC 2009 Eastern Subregional409760

1717Eligibility RulesNEERC 2009 Eastern Subregional1232396

1718RejudgeNEERC 2009 Eastern Subregional1138278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2231368

1720Summit Online JudgeNEERC 2009 Eastern Subregional341908

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional575545

1800Murphy's LawNEERC 2010 Eastern Subregional1540184

1801The Revolution CupNEERC 2010 Eastern Subregional445270

1802Cube PuzzleNEERC 2010 Eastern Subregional1481801

1803The Czechs' RiflesNEERC 2010 Eastern Subregional430647

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional794354

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional314878

1806Mobile TelegraphsNEERC 2010 Eastern Subregional473589

1807Cartridges for MaximNEERC 2010 Eastern Subregional2041330

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601674

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional523534

1885Passenger ComfortNEERC 2011 Eastern Subregional1279197

1886Trip 2NEERC 2011 Eastern Subregional1301812

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2201103

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional601415

1889Airport AnnouncementsNEERC 2011 Eastern Subregional934269

1890Money out of Thin AirNEERC 2011 Eastern Subregional552452

1891Language OceanNEERC 2011 Eastern Subregional417594

1892Morning in KoltsovoNEERC 2011 Eastern Subregional327753

1893A380NEERC 2011 Eastern Subregional465154

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1361738

1895Steaks on BoardNEERC 2011 Eastern Subregional1032246

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional682533

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523625

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247874

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371529

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464013

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1188188

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722741

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1111200

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional266814

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1151798

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional371590

1990PodracingNEERC 2013 Eastern Subregional229819

1991The battle near the swampNEERC 2013 Eastern Subregional440744

1992CVSNEERC 2013 Eastern Subregional565340

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1123173

1994The Emperor's planNEERC 2013 Eastern Subregional214874

1995Illegal spicesNEERC 2013 Eastern Subregional395483

1996Cipher Message 3NEERC 2013 Eastern Subregional1851003

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional425450

1998The old PadawanNEERC 2013 Eastern Subregional639302

1999The secret moduleNEERC 2013 Eastern Subregional265435

2012About Grisha N.NEERC 2014 Eastern Subregional1003917

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional218742

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional360457

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional689242

2016Magic and ScienceNEERC 2014 Eastern Subregional166507

2017Best of a bad lotNEERC 2014 Eastern Subregional1471078

2018The Debut AlbumNEERC 2014 Eastern Subregional174197

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional740226

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1288130

2021Scarily interesting!NEERC 2014 Eastern Subregional469353

2022Riding a ToadNEERC 2014 Eastern Subregional472968

2023Donald is a postmanNEERC 2014 Eastern Subregional482035

2074Timus problems classifierQualification of Eastern Subregional 2015173727

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442463

2076VasianaQualification of Eastern Subregional 2015106649

2077ReductionsQualification of Eastern Subregional 2015155319