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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4198316

1054Hanoi TowerNEERC 2000 Central Subregional2018655

1055CombinationsNEERC 2000 Central Subregional3346396

1056Computer NetNEERC 2000 Central Subregional2492531

1057Amount of DegreesNEERC 2000 Central Subregional1870707

1058ChocolateNEERC 2000 Central Subregional4512876

1059ExpressionNEERC 2000 Central Subregional2106628

1133Fibonacci SequenceNEERC 2001 Central Subregional2408183

1134CardsNEERC 2001 Central Subregional2434181

1135RecruitsNEERC 2001 Central Subregional2693164

1136ParliamentNEERC 2001 Central Subregional445399

1137Bus RoutesNEERC 2001 Central Subregional1487295

1138Integer PercentageNEERC 2001 Central Subregional2215199

1139City BlocksNEERC 2001 Central Subregional569178

1140Swamp IncidentNEERC 2001 Central Subregional1194367

1158Censored!NEERC 2001 Northern Subregional867505

1159FenceNEERC 2001 Northern Subregional601725

1160NetworkNEERC 2001 Northern Subregional1513295

1161StripiesNEERC 2001 Northern Subregional483991

1162Currency ExchangeNEERC 2001 Northern Subregional988444

1163ChapaevNEERC 2001 Northern Subregional2161960

1164FillwordNEERC 2001 Northern Subregional2209200

1165SubnumberNEERC 2001 Northern Subregional492882

1166Funny Card GameNEERC 2001 Northern Subregional1183562

1224SpiralNEERC 2002 Central Subregional662768

1225FlagsNEERC 2002 Central Subregional1178138

1226esreveR redrONEERC 2002 Central Subregional4026111

1227Rally ChampionshipNEERC 2002 Central Subregional1434311

1228ArrayNEERC 2002 Central Subregional4308104

1229Strong BrickworkNEERC 2002 Central Subregional1152387

1230Introspective ProgramNEERC 2002 Central Subregional601736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012130

1232Asteroid LandingNEERC 2002 Central Subregional1862293

1274Fractional ArithmeticNEERC 2003 Central Subregional654687

1275Knights of the Round TableNEERC 2003 Central Subregional1612668

1276TrainNEERC 2003 Central Subregional569788

1277Cops and ThievesNEERC 2003 Central Subregional572784

1278“… Connecting People”NEERC 2003 Central Subregional452988

1279WarehouseNEERC 2003 Central Subregional1081418

1280Topological SortingNEERC 2003 Central Subregional3094147

1281River BasinNEERC 2003 Central Subregional3181391

1282Game TreeNEERC 2003 Central Subregional1341338

1500Pass LicensesNEERC 2006 Eastern Subregional658635

1501Sense of BeautyNEERC 2006 Eastern Subregional1557271

1502Domino DotsNEERC 2006 Eastern Subregional564075

1503PolynomialNEERC 2006 Eastern Subregional2271789

1504Good MannersNEERC 2006 Eastern Subregional1742305

1505Oil TransferNEERC 2006 Eastern Subregional1313007

1506Columns of NumbersNEERC 2006 Eastern Subregional2706156

1507Difficult DecisionNEERC 2006 Eastern Subregional980428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2381710

1509Domino RecognitionNEERC 2006 Eastern Subregional1043720

1510OrderNEERC 2006 Eastern Subregional476589

1582BookmakersNEERC 2007 Eastern Subregional3322116

1583CheeseNEERC 2007 Eastern Subregional2061788

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991250

1585PenguinsNEERC 2007 Eastern Subregional942241

1586Threeprime NumbersNEERC 2007 Eastern Subregional2504154

1587Flying PigNEERC 2007 Eastern Subregional471803

1588JamaicaNEERC 2007 Eastern Subregional1209317

1589SokobanNEERC 2007 Eastern Subregional821449

1590Bacon’s CipherNEERC 2007 Eastern Subregional1751219

1591Abstract ThinkingNEERC 2007 Eastern Subregional3721011

1592Chinese WatchesNEERC 2007 Eastern Subregional653582

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional406994

1650BillionairesNEERC 2008 Eastern Subregional739467

1651Shortest SubchainNEERC 2008 Eastern Subregional999347

1652Banking CrisisNEERC 2008 Eastern Subregional1302498

1653Death ConveyorNEERC 2008 Eastern Subregional406994

1654Cipher MessageNEERC 2008 Eastern Subregional572561

1655Somali PiratesNEERC 2008 Eastern Subregional1622033

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1771196

1657Cube SnakeNEERC 2008 Eastern Subregional2421388

1658Sum of DigitsNEERC 2008 Eastern Subregional1425244

1659Regular TrianglesNEERC 2008 Eastern Subregional555619

1711Code NamesNEERC 2009 Eastern Subregional2552124

1712Cipher GrilleNEERC 2009 Eastern Subregional405078

1713Key SubstringsNEERC 2009 Eastern Subregional532586

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022837

1715Another Ball KillerNEERC 2009 Eastern Subregional326946

1716Alternative SolutionNEERC 2009 Eastern Subregional407762

1717Eligibility RulesNEERC 2009 Eastern Subregional1232389

1718RejudgeNEERC 2009 Eastern Subregional1136277

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2231364

1720Summit Online JudgeNEERC 2009 Eastern Subregional341905

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional574544

1800Murphy's LawNEERC 2010 Eastern Subregional1536183

1801The Revolution CupNEERC 2010 Eastern Subregional445253

1802Cube PuzzleNEERC 2010 Eastern Subregional1471807

1803The Czechs' RiflesNEERC 2010 Eastern Subregional430645

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional793353

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional314875

1806Mobile TelegraphsNEERC 2010 Eastern Subregional472588

1807Cartridges for MaximNEERC 2010 Eastern Subregional2021338

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601669

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional522533

1885Passenger ComfortNEERC 2011 Eastern Subregional1273197

1886Trip 2NEERC 2011 Eastern Subregional1291819

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2201099

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional600414

1889Airport AnnouncementsNEERC 2011 Eastern Subregional933268

1890Money out of Thin AirNEERC 2011 Eastern Subregional548453

1891Language OceanNEERC 2011 Eastern Subregional417592

1892Morning in KoltsovoNEERC 2011 Eastern Subregional327750

1893A380NEERC 2011 Eastern Subregional463654

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1361732

1895Steaks on BoardNEERC 2011 Eastern Subregional1032237

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional679633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523609

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247871

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371522

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional463996

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1174189

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722729

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1110200

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional265814

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1141804

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional371587

1990PodracingNEERC 2013 Eastern Subregional228818

1991The battle near the swampNEERC 2013 Eastern Subregional439044

1992CVSNEERC 2013 Eastern Subregional555345

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1115173

1994The Emperor's planNEERC 2013 Eastern Subregional214869

1995Illegal spicesNEERC 2013 Eastern Subregional394482

1996Cipher Message 3NEERC 2013 Eastern Subregional185998

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional424449

1998The old PadawanNEERC 2013 Eastern Subregional635302

1999The secret moduleNEERC 2013 Eastern Subregional265407

2012About Grisha N.NEERC 2014 Eastern Subregional998717

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional217741

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional358457

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional685242

2016Magic and ScienceNEERC 2014 Eastern Subregional166467

2017Best of a bad lotNEERC 2014 Eastern Subregional1461078

2018The Debut AlbumNEERC 2014 Eastern Subregional172997

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional739225

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1278131

2021Scarily interesting!NEERC 2014 Eastern Subregional466353

2022Riding a ToadNEERC 2014 Eastern Subregional472950

2023Donald is a postmanNEERC 2014 Eastern Subregional478835

2074Timus problems classifierQualification of Eastern Subregional 2015173721

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442443

2076VasianaQualification of Eastern Subregional 2015106595

2077ReductionsQualification of Eastern Subregional 2015155276