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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4203317

1054Hanoi TowerNEERC 2000 Central Subregional2025656

1055CombinationsNEERC 2000 Central Subregional3357397

1056Computer NetNEERC 2000 Central Subregional2500532

1057Amount of DegreesNEERC 2000 Central Subregional1877708

1058ChocolateNEERC 2000 Central Subregional4542871

1059ExpressionNEERC 2000 Central Subregional2110630

1133Fibonacci SequenceNEERC 2001 Central Subregional2420183

1134CardsNEERC 2001 Central Subregional2450181

1135RecruitsNEERC 2001 Central Subregional2702164

1136ParliamentNEERC 2001 Central Subregional447599

1137Bus RoutesNEERC 2001 Central Subregional1498295

1138Integer PercentageNEERC 2001 Central Subregional2229198

1139City BlocksNEERC 2001 Central Subregional572377

1140Swamp IncidentNEERC 2001 Central Subregional1196368

1158Censored!NEERC 2001 Northern Subregional873504

1159FenceNEERC 2001 Northern Subregional605724

1160NetworkNEERC 2001 Northern Subregional1526294

1161StripiesNEERC 2001 Northern Subregional486091

1162Currency ExchangeNEERC 2001 Northern Subregional1000441

1163ChapaevNEERC 2001 Northern Subregional2171960

1164FillwordNEERC 2001 Northern Subregional2221199

1165SubnumberNEERC 2001 Northern Subregional494883

1166Funny Card GameNEERC 2001 Northern Subregional1193549

1224SpiralNEERC 2002 Central Subregional666168

1225FlagsNEERC 2002 Central Subregional1191138

1226esreveR redrONEERC 2002 Central Subregional4046111

1227Rally ChampionshipNEERC 2002 Central Subregional1443311

1228ArrayNEERC 2002 Central Subregional4324104

1229Strong BrickworkNEERC 2002 Central Subregional1156387

1230Introspective ProgramNEERC 2002 Central Subregional602738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012139

1232Asteroid LandingNEERC 2002 Central Subregional1862303

1274Fractional ArithmeticNEERC 2003 Central Subregional656688

1275Knights of the Round TableNEERC 2003 Central Subregional1612680

1276TrainNEERC 2003 Central Subregional573786

1277Cops and ThievesNEERC 2003 Central Subregional574785

1278“… Connecting People”NEERC 2003 Central Subregional452992

1279WarehouseNEERC 2003 Central Subregional1086418

1280Topological SortingNEERC 2003 Central Subregional3115147

1281River BasinNEERC 2003 Central Subregional3191393

1282Game TreeNEERC 2003 Central Subregional1346338

1500Pass LicensesNEERC 2006 Eastern Subregional661635

1501Sense of BeautyNEERC 2006 Eastern Subregional1576269

1502Domino DotsNEERC 2006 Eastern Subregional567175

1503PolynomialNEERC 2006 Eastern Subregional2271798

1504Good MannersNEERC 2006 Eastern Subregional1742316

1505Oil TransferNEERC 2006 Eastern Subregional1332980

1506Columns of NumbersNEERC 2006 Eastern Subregional2728156

1507Difficult DecisionNEERC 2006 Eastern Subregional985428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2401704

1509Domino RecognitionNEERC 2006 Eastern Subregional1043738

1510OrderNEERC 2006 Eastern Subregional479789

1582BookmakersNEERC 2007 Eastern Subregional3337116

1583CheeseNEERC 2007 Eastern Subregional2061798

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991257

1585PenguinsNEERC 2007 Eastern Subregional951141

1586Threeprime NumbersNEERC 2007 Eastern Subregional2520153

1587Flying PigNEERC 2007 Eastern Subregional473804

1588JamaicaNEERC 2007 Eastern Subregional1219316

1589SokobanNEERC 2007 Eastern Subregional821573

1590Bacon’s CipherNEERC 2007 Eastern Subregional1776217

1591Abstract ThinkingNEERC 2007 Eastern Subregional3721017

1592Chinese WatchesNEERC 2007 Eastern Subregional653586

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407041

1650BillionairesNEERC 2008 Eastern Subregional747465

1651Shortest SubchainNEERC 2008 Eastern Subregional1002348

1652Banking CrisisNEERC 2008 Eastern Subregional1312497

1653Death ConveyorNEERC 2008 Eastern Subregional407041

1654Cipher MessageNEERC 2008 Eastern Subregional580661

1655Somali PiratesNEERC 2008 Eastern Subregional1622047

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1781197

1657Cube SnakeNEERC 2008 Eastern Subregional2421397

1658Sum of DigitsNEERC 2008 Eastern Subregional1441243

1659Regular TrianglesNEERC 2008 Eastern Subregional564613

1711Code NamesNEERC 2009 Eastern Subregional2570124

1712Cipher GrilleNEERC 2009 Eastern Subregional407678

1713Key SubstringsNEERC 2009 Eastern Subregional539583

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032834

1715Another Ball KillerNEERC 2009 Eastern Subregional326953

1716Alternative SolutionNEERC 2009 Eastern Subregional409764

1717Eligibility RulesNEERC 2009 Eastern Subregional1252372

1718RejudgeNEERC 2009 Eastern Subregional1142278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2231375

1720Summit Online JudgeNEERC 2009 Eastern Subregional341912

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional575547

1800Murphy's LawNEERC 2010 Eastern Subregional1549184

1801The Revolution CupNEERC 2010 Eastern Subregional445301

1802Cube PuzzleNEERC 2010 Eastern Subregional1481812

1803The Czechs' RiflesNEERC 2010 Eastern Subregional432648

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional795356

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional315881

1806Mobile TelegraphsNEERC 2010 Eastern Subregional476589

1807Cartridges for MaximNEERC 2010 Eastern Subregional2041338

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601684

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional525535

1885Passenger ComfortNEERC 2011 Eastern Subregional1289197

1886Trip 2NEERC 2011 Eastern Subregional1301825

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2211106

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional605415

1889Airport AnnouncementsNEERC 2011 Eastern Subregional938270

1890Money out of Thin AirNEERC 2011 Eastern Subregional556451

1891Language OceanNEERC 2011 Eastern Subregional418597

1892Morning in KoltsovoNEERC 2011 Eastern Subregional328756

1893A380NEERC 2011 Eastern Subregional467555

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1371738

1895Steaks on BoardNEERC 2011 Eastern Subregional1032261

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional689233

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523654

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional248878

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371541

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464046

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1201187

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722763

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1116201

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional270809

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1151813

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional372593

1990PodracingNEERC 2013 Eastern Subregional230823

1991The battle near the swampNEERC 2013 Eastern Subregional445044

1992CVSNEERC 2013 Eastern Subregional571340

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1135173

1994The Emperor's planNEERC 2013 Eastern Subregional215878

1995Illegal spicesNEERC 2013 Eastern Subregional399483

1996Cipher Message 3NEERC 2013 Eastern Subregional1851013

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional427452

1998The old PadawanNEERC 2013 Eastern Subregional648300

1999The secret moduleNEERC 2013 Eastern Subregional265488

2012About Grisha N.NEERC 2014 Eastern Subregional1013517

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional219747

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional360463

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional699241

2016Magic and ScienceNEERC 2014 Eastern Subregional166583

2017Best of a bad lotNEERC 2014 Eastern Subregional1471090

2018The Debut AlbumNEERC 2014 Eastern Subregional176796

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional745227

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1296131

2021Scarily interesting!NEERC 2014 Eastern Subregional472355

2022Riding a ToadNEERC 2014 Eastern Subregional482951

2023Donald is a postmanNEERC 2014 Eastern Subregional486635

2074Timus problems classifierQualification of Eastern Subregional 2015174734

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442501

2076VasianaQualification of Eastern Subregional 2015116430

2077ReductionsQualification of Eastern Subregional 2015155402