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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4279323

1054Tower of HanoiNEERC 2000 Central Subregional2099657

1055CombinationsNEERC 2000 Central Subregional3444401

1056Centers of the NetNEERC 2000 Central Subregional2593532

1057Amount of DegreesNEERC 2000 Central Subregional1962702

1058ChocolateNEERC 2000 Central Subregional4792825

1059ExpressionNEERC 2000 Central Subregional2159638

1133Fibonacci SequenceNEERC 2001 Central Subregional2091219

1134CardsNEERC 2001 Central Subregional2547180

1135RecruitsNEERC 2001 Central Subregional2824162

1136ParliamentNEERC 2001 Central Subregional462599

1137Bus RoutesNEERC 2001 Central Subregional1339341

1138Integer PercentageNEERC 2001 Central Subregional2305199

1139City BlocksNEERC 2001 Central Subregional595577

1140Swamp IncidentNEERC 2001 Central Subregional1238369

1158Censored!NEERC 2001 Northern Subregional917497

1159FenceNEERC 2001 Northern Subregional625726

1160NetworkNEERC 2001 Northern Subregional2023230

1161StripiesNEERC 2001 Northern Subregional505991

1162Currency ExchangeNEERC 2001 Northern Subregional1330344

1163ChapaevNEERC 2001 Northern Subregional2261953

1164FillwordNEERC 2001 Northern Subregional2305199

1165SubnumberNEERC 2001 Northern Subregional510887

1166Funny Card GameNEERC 2001 Northern Subregional1253508

1224SpiralNEERC 2002 Central Subregional697067

1225FlagsNEERC 2002 Central Subregional1265437

1226esreveR redrONEERC 2002 Central Subregional4200111

1227Rally ChampionshipNEERC 2002 Central Subregional1509308

1228ArrayNEERC 2002 Central Subregional4471104

1229Strong BrickworkNEERC 2002 Central Subregional1245372

1230Introspective ProgramNEERC 2002 Central Subregional623738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2102124

1232Asteroid LandingNEERC 2002 Central Subregional1862384

1274Fractional ArithmeticNEERC 2003 Central Subregional682685

1275Knights of the Round TableNEERC 2003 Central Subregional1672677

1276TrainNEERC 2003 Central Subregional602774

1277Cops and ThievesNEERC 2003 Central Subregional598779

1278“… Connecting People”NEERC 2003 Central Subregional479969

1279WarehouseNEERC 2003 Central Subregional1140412

1280Topological SortingNEERC 2003 Central Subregional3312143

1281River BasinNEERC 2003 Central Subregional3291398

1282Game TreeNEERC 2003 Central Subregional1409334

1500Pass LicensesNEERC 2006 Eastern Subregional693630

1501Sense of BeautyNEERC 2006 Eastern Subregional1667264

1502Domino DotsNEERC 2006 Eastern Subregional598174

1503PolynomialNEERC 2006 Eastern Subregional2451736

1504Good MannersNEERC 2006 Eastern Subregional1882236

1505Oil TransferNEERC 2006 Eastern Subregional1472820

1506Columns of NumbersNEERC 2006 Eastern Subregional2865154

1507Difficult DecisionNEERC 2006 Eastern Subregional1013433

1508Japanese PuzzleNEERC 2006 Eastern Subregional2631622

1509Domino RecognitionNEERC 2006 Eastern Subregional1193432

1510OrderNEERC 2006 Eastern Subregional504788

1582BookmakersNEERC 2007 Eastern Subregional3481116

1583CheeseNEERC 2007 Eastern Subregional2111837

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3061285

1585PenguinsNEERC 2007 Eastern Subregional1021240

1586Threeprime NumbersNEERC 2007 Eastern Subregional2800144

1587Flying PigNEERC 2007 Eastern Subregional500796

1588JamaicaNEERC 2007 Eastern Subregional1275316

1589SokobanNEERC 2007 Eastern Subregional1020298

1590Bacon’s CipherNEERC 2007 Eastern Subregional1965206

1591Abstract ThinkingNEERC 2007 Eastern Subregional3861025

1592Chinese WatchesNEERC 2007 Eastern Subregional679589

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446866

1650BillionairesNEERC 2008 Eastern Subregional1068344

1651Shortest SubchainNEERC 2008 Eastern Subregional1069344

1652Banking CrisisNEERC 2008 Eastern Subregional1342575

1653Death ConveyorNEERC 2008 Eastern Subregional466621

1654Cipher MessageNEERC 2008 Eastern Subregional632059

1655Somali PiratesNEERC 2008 Eastern Subregional1791962

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1851199

1657Cube SnakeNEERC 2008 Eastern Subregional2481437

1658Sum of DigitsNEERC 2008 Eastern Subregional1723214

1659Regular TrianglesNEERC 2008 Eastern Subregional590618

1711Code NamesNEERC 2009 Eastern Subregional2696126

1712Cipher GrilleNEERC 2009 Eastern Subregional427279

1713Key SubstringsNEERC 2009 Eastern Subregional560596

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062930

1715Another Ball KillerNEERC 2009 Eastern Subregional334988

1716Alternative SolutionNEERC 2009 Eastern Subregional436762

1717Eligibility RulesNEERC 2009 Eastern Subregional1272481

1718RejudgeNEERC 2009 Eastern Subregional1183285

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2311410

1720Summit Online JudgeNEERC 2009 Eastern Subregional358924

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional611547

1800Murphy's LawNEERC 2010 Eastern Subregional1666183

1801The Revolution CupNEERC 2010 Eastern Subregional485291

1802Cube PuzzleNEERC 2010 Eastern Subregional1501918

1803The Czechs' RiflesNEERC 2010 Eastern Subregional448670

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional828366

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional331900

1806Mobile TelegraphsNEERC 2010 Eastern Subregional760399

1807Cartridges for MaximNEERC 2010 Eastern Subregional2161358

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611794

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional549549

1885Passenger ComfortNEERC 2011 Eastern Subregional1383199

1886Trip 2NEERC 2011 Eastern Subregional1361897

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2671000

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional637428

1889Airport AnnouncementsNEERC 2011 Eastern Subregional993276

1890Money out of Thin AirNEERC 2011 Eastern Subregional601453

1891Language OceanNEERC 2011 Eastern Subregional435622

1892Morning in KoltsovoNEERC 2011 Eastern Subregional341789

1893A380NEERC 2011 Eastern Subregional499655

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1471764

1895Steaks on BoardNEERC 2011 Eastern Subregional1272022

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional758033

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533951

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional255939

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1411648

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional484291

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1262196

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732999

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1196206

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional292824

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221886

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional391621

1990PodracingNEERC 2013 Eastern Subregional237894

1991The battle near the swampNEERC 2013 Eastern Subregional497544

1992CVSNEERC 2013 Eastern Subregional648335

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1215180

1994The Emperor's planNEERC 2013 Eastern Subregional233908

1995Illegal spicesNEERC 2013 Eastern Subregional422511

1996Cipher Message 3NEERC 2013 Eastern Subregional1971066

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional456474

1998The old PadawanNEERC 2013 Eastern Subregional692314

1999The secret moduleNEERC 2013 Eastern Subregional266131

2012About Grisha N.NEERC 2014 Eastern Subregional1161517

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional233803

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional403472

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional748257

2016Magic and ScienceNEERC 2014 Eastern Subregional177225

2017Best of a bad lotNEERC 2014 Eastern Subregional1561175

2018The Debut AlbumNEERC 2014 Eastern Subregional201097

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional795242

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1432135

2021Scarily interesting!NEERC 2014 Eastern Subregional503380

2022Riding a ToadNEERC 2014 Eastern Subregional503251

2023Donald is a postmanNEERC 2014 Eastern Subregional539336

2074Timus problems classifierQualification of Eastern Subregional 2015191796

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015492712

2076VasianaQualification of Eastern Subregional 2015146667

2077ReductionsQualification of Eastern Subregional 2015175926