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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4284324

1054Tower of HanoiNEERC 2000 Central Subregional2107657

1055CombinationsNEERC 2000 Central Subregional3449402

1056Centers of the NetNEERC 2000 Central Subregional2600533

1057Amount of DegreesNEERC 2000 Central Subregional1967703

1058ChocolateNEERC 2000 Central Subregional4812825

1059ExpressionNEERC 2000 Central Subregional2161640

1133Fibonacci SequenceNEERC 2001 Central Subregional2097219

1134CardsNEERC 2001 Central Subregional2550181

1135RecruitsNEERC 2001 Central Subregional2830163

1136ParliamentNEERC 2001 Central Subregional463999

1137Bus RoutesNEERC 2001 Central Subregional1344341

1138Integer PercentageNEERC 2001 Central Subregional2309199

1139City BlocksNEERC 2001 Central Subregional597877

1140Swamp IncidentNEERC 2001 Central Subregional1242369

1158Censored!NEERC 2001 Northern Subregional919498

1159FenceNEERC 2001 Northern Subregional627727

1160NetworkNEERC 2001 Northern Subregional2040229

1161StripiesNEERC 2001 Northern Subregional507591

1162Currency ExchangeNEERC 2001 Northern Subregional1338343

1163ChapaevNEERC 2001 Northern Subregional2261961

1164FillwordNEERC 2001 Northern Subregional2310199

1165SubnumberNEERC 2001 Northern Subregional511888

1166Funny Card GameNEERC 2001 Northern Subregional1253521

1224SpiralNEERC 2002 Central Subregional699267

1225FlagsNEERC 2002 Central Subregional1270437

1226esreveR redrONEERC 2002 Central Subregional4213111

1227Rally ChampionshipNEERC 2002 Central Subregional1519307

1228ArrayNEERC 2002 Central Subregional4484104

1229Strong BrickworkNEERC 2002 Central Subregional1250372

1230Introspective ProgramNEERC 2002 Central Subregional625739

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2102132

1232Asteroid LandingNEERC 2002 Central Subregional1862393

1274Fractional ArithmeticNEERC 2003 Central Subregional682687

1275Knights of the Round TableNEERC 2003 Central Subregional1672687

1276TrainNEERC 2003 Central Subregional605773

1277Cops and ThievesNEERC 2003 Central Subregional601779

1278“… Connecting People”NEERC 2003 Central Subregional480971

1279WarehouseNEERC 2003 Central Subregional1143413

1280Topological SortingNEERC 2003 Central Subregional3328143

1281River BasinNEERC 2003 Central Subregional3341383

1282Game TreeNEERC 2003 Central Subregional1414334

1500Pass LicensesNEERC 2006 Eastern Subregional695631

1501Sense of BeautyNEERC 2006 Eastern Subregional1675264

1502Domino DotsNEERC 2006 Eastern Subregional599774

1503PolynomialNEERC 2006 Eastern Subregional2461737

1504Good MannersNEERC 2006 Eastern Subregional1892234

1505Oil TransferNEERC 2006 Eastern Subregional1482814

1506Columns of NumbersNEERC 2006 Eastern Subregional2879154

1507Difficult DecisionNEERC 2006 Eastern Subregional1018432

1508Japanese PuzzleNEERC 2006 Eastern Subregional2661611

1509Domino RecognitionNEERC 2006 Eastern Subregional1193446

1510OrderNEERC 2006 Eastern Subregional506688

1582BookmakersNEERC 2007 Eastern Subregional3496116

1583CheeseNEERC 2007 Eastern Subregional2121838

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3071287

1585PenguinsNEERC 2007 Eastern Subregional1025540

1586Threeprime NumbersNEERC 2007 Eastern Subregional2814144

1587Flying PigNEERC 2007 Eastern Subregional501798

1588JamaicaNEERC 2007 Eastern Subregional1281316

1589SokobanNEERC 2007 Eastern Subregional1020398

1590Bacon’s CipherNEERC 2007 Eastern Subregional1986204

1591Abstract ThinkingNEERC 2007 Eastern Subregional3891022

1592Chinese WatchesNEERC 2007 Eastern Subregional680591

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446905

1650BillionairesNEERC 2008 Eastern Subregional1077343

1651Shortest SubchainNEERC 2008 Eastern Subregional1074344

1652Banking CrisisNEERC 2008 Eastern Subregional1352572

1653Death ConveyorNEERC 2008 Eastern Subregional466658

1654Cipher MessageNEERC 2008 Eastern Subregional635459

1655Somali PiratesNEERC 2008 Eastern Subregional1801963

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1859200

1657Cube SnakeNEERC 2008 Eastern Subregional2511429

1658Sum of DigitsNEERC 2008 Eastern Subregional1736214

1659Regular TrianglesNEERC 2008 Eastern Subregional590621

1711Code NamesNEERC 2009 Eastern Subregional2708126

1712Cipher GrilleNEERC 2009 Eastern Subregional428780

1713Key SubstringsNEERC 2009 Eastern Subregional567593

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062949

1715Another Ball KillerNEERC 2009 Eastern Subregional335992

1716Alternative SolutionNEERC 2009 Eastern Subregional441759

1717Eligibility RulesNEERC 2009 Eastern Subregional1292461

1718RejudgeNEERC 2009 Eastern Subregional1189285

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2311419

1720Summit Online JudgeNEERC 2009 Eastern Subregional360925

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional614548

1800Murphy's LawNEERC 2010 Eastern Subregional1671184

1801The Revolution CupNEERC 2010 Eastern Subregional505153

1802Cube PuzzleNEERC 2010 Eastern Subregional1521908

1803The Czechs' RiflesNEERC 2010 Eastern Subregional448675

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional830368

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional333901

1806Mobile TelegraphsNEERC 2010 Eastern Subregional765399

1807Cartridges for MaximNEERC 2010 Eastern Subregional2181356

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1621798

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional550552

1885Passenger ComfortNEERC 2011 Eastern Subregional1418196

1886Trip 2NEERC 2011 Eastern Subregional1361914

1887Frequent Flyer CardNEERC 2011 Eastern Subregional270998

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional638431

1889Airport AnnouncementsNEERC 2011 Eastern Subregional997277

1890Money out of Thin AirNEERC 2011 Eastern Subregional605454

1891Language OceanNEERC 2011 Eastern Subregional436627

1892Morning in KoltsovoNEERC 2011 Eastern Subregional343792

1893A380NEERC 2011 Eastern Subregional502056

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1491757

1895Steaks on BoardNEERC 2011 Eastern Subregional1272040

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional762133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533991

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional258938

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1421654

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional494261

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1265197

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional733029

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1199208

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional294827

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221905

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional394622

1990PodracingNEERC 2013 Eastern Subregional239897

1991The battle near the swampNEERC 2013 Eastern Subregional500045

1992CVSNEERC 2013 Eastern Subregional649339

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1224181

1994The Emperor's planNEERC 2013 Eastern Subregional234915

1995Illegal spicesNEERC 2013 Eastern Subregional424515

1996Cipher Message 3NEERC 2013 Eastern Subregional1971079

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional458477

1998The old PadawanNEERC 2013 Eastern Subregional694317

1999The secret moduleNEERC 2013 Eastern Subregional266204

2012About Grisha N.NEERC 2014 Eastern Subregional1181917

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional234811

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional408473

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional757258

2016Magic and ScienceNEERC 2014 Eastern Subregional177325

2017Best of a bad lotNEERC 2014 Eastern Subregional1571184

2018The Debut AlbumNEERC 2014 Eastern Subregional202597

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional802244

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1446136

2021Scarily interesting!NEERC 2014 Eastern Subregional506383

2022Riding a ToadNEERC 2014 Eastern Subregional503296

2023Donald is a postmanNEERC 2014 Eastern Subregional543136

2074Timus problems classifierQualification of Eastern Subregional 2015192806

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015512669

2076VasianaQualification of Eastern Subregional 2015146784

2077ReductionsQualification of Eastern Subregional 2015176031