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Problem set. NEERC Regionals


1053PinocchioNEERC 2000 Central Subregional4171315

1054Hanoi TowerNEERC 2000 Central Subregional1996657

1055CombinationsNEERC 2000 Central Subregional3318396

1056Computer NetNEERC 2000 Central Subregional2466532

1057Amount of DegreesNEERC 2000 Central Subregional1851708

1058ChocolateNEERC 2000 Central Subregional4432901

1059ExpressionNEERC 2000 Central Subregional2092627

1133Fibonacci SequenceNEERC 2001 Central Subregional2389183

1134CardsNEERC 2001 Central Subregional2467177

1135RecruitsNEERC 2001 Central Subregional2671164

1136ParliamentNEERC 2001 Central Subregional440599

1137Bus RoutesNEERC 2001 Central Subregional1456299

1138Integer PercentageNEERC 2001 Central Subregional2199199

1139City BlocksNEERC 2001 Central Subregional562178

1140Swamp IncidentNEERC 2001 Central Subregional1178369

1158Censored!NEERC 2001 Northern Subregional861504

1159FenceNEERC 2001 Northern Subregional594727

1160NetworkNEERC 2001 Northern Subregional1487298

1161StripiesNEERC 2001 Northern Subregional479092

1162Currency ExchangeNEERC 2001 Northern Subregional980444

1163ChapaevNEERC 2001 Northern Subregional2151952

1164FillwordNEERC 2001 Northern Subregional2187200

1165SubnumberNEERC 2001 Northern Subregional491877

1166Funny Card GameNEERC 2001 Northern Subregional1173561

1224SpiralNEERC 2002 Central Subregional654368

1225FlagsNEERC 2002 Central Subregional1157438

1226esreveR redrONEERC 2002 Central Subregional3984112

1227Rally ChampionshipNEERC 2002 Central Subregional1413313

1228ArrayNEERC 2002 Central Subregional4280104

1229Strong BrickworkNEERC 2002 Central Subregional1139388

1230Introspective ProgramNEERC 2002 Central Subregional599732

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1992133

1232Asteroid LandingNEERC 2002 Central Subregional1852286

1274Fractional ArithmeticNEERC 2003 Central Subregional650686

1275Knights of the Round TableNEERC 2003 Central Subregional1592679

1276TrainNEERC 2003 Central Subregional563790

1277Cops and ThievesNEERC 2003 Central Subregional563790

1278“… Connecting People”NEERC 2003 Central Subregional450984

1279WarehouseNEERC 2003 Central Subregional1068420

1280Topological SortingNEERC 2003 Central Subregional3057148

1281River BasinNEERC 2003 Central Subregional3171384

1282Game TreeNEERC 2003 Central Subregional1321340

1500Pass LicensesNEERC 2006 Eastern Subregional648639

1501Sense of BeautyNEERC 2006 Eastern Subregional1538271

1502Domino DotsNEERC 2006 Eastern Subregional555775

1503PolynomialNEERC 2006 Eastern Subregional2261780

1504Good MannersNEERC 2006 Eastern Subregional1742284

1505Oil TransferNEERC 2006 Eastern Subregional1303001

1506Columns of NumbersNEERC 2006 Eastern Subregional2632159

1507Difficult DecisionNEERC 2006 Eastern Subregional971428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2371701

1509Domino RecognitionNEERC 2006 Eastern Subregional1033718

1510OrderNEERC 2006 Eastern Subregional471989

1582BookmakersNEERC 2007 Eastern Subregional3277116

1583CheeseNEERC 2007 Eastern Subregional2051777

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2971244

1585PenguinsNEERC 2007 Eastern Subregional918842

1586Threeprime NumbersNEERC 2007 Eastern Subregional2466154

1587Flying PigNEERC 2007 Eastern Subregional469797

1588JamaicaNEERC 2007 Eastern Subregional1197316

1589SokobanNEERC 2007 Eastern Subregional821221

1590Bacon’s CipherNEERC 2007 Eastern Subregional1727220

1591Abstract ThinkingNEERC 2007 Eastern Subregional3691008

1592Chinese WatchesNEERC 2007 Eastern Subregional637590

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional406907

1650BillionairesNEERC 2008 Eastern Subregional727469

1651Shortest SubchainNEERC 2008 Eastern Subregional980349

1652Banking CrisisNEERC 2008 Eastern Subregional1252558

1653Death ConveyorNEERC 2008 Eastern Subregional406907

1654Cipher MessageNEERC 2008 Eastern Subregional561761

1655Somali PiratesNEERC 2008 Eastern Subregional1622008

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1750196

1657Cube SnakeNEERC 2008 Eastern Subregional2411376

1658Sum of DigitsNEERC 2008 Eastern Subregional1407244

1659Regular TrianglesNEERC 2008 Eastern Subregional545622

1711Code NamesNEERC 2009 Eastern Subregional2525124

1712Cipher GrilleNEERC 2009 Eastern Subregional399578

1713Key SubstringsNEERC 2009 Eastern Subregional523588

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1012822

1715Another Ball KillerNEERC 2009 Eastern Subregional326932

1716Alternative SolutionNEERC 2009 Eastern Subregional404757

1717Eligibility RulesNEERC 2009 Eastern Subregional1192428

1718RejudgeNEERC 2009 Eastern Subregional1123276

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2201362

1720Summit Online JudgeNEERC 2009 Eastern Subregional340895

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional568542

1800Murphy's LawNEERC 2010 Eastern Subregional1522182

1801The Revolution CupNEERC 2010 Eastern Subregional445164

1802Cube PuzzleNEERC 2010 Eastern Subregional1471776

1803The Czechs' RiflesNEERC 2010 Eastern Subregional423644

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional790349

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional312866

1806Mobile TelegraphsNEERC 2010 Eastern Subregional464588

1807Cartridges for MaximNEERC 2010 Eastern Subregional1971347

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1551690

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional512534

1885Passenger ComfortNEERC 2011 Eastern Subregional1251197

1886Trip 2NEERC 2011 Eastern Subregional1281796

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2161097

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional586416

1889Airport AnnouncementsNEERC 2011 Eastern Subregional919267

1890Money out of Thin AirNEERC 2011 Eastern Subregional539451

1891Language OceanNEERC 2011 Eastern Subregional414584

1892Morning in KoltsovoNEERC 2011 Eastern Subregional326738

1893A380NEERC 2011 Eastern Subregional444756

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1351709

1895Steaks on BoardNEERC 2011 Eastern Subregional992274

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional658833

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523525

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional245857

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1361497

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional463903

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1161187

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722665

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1089199

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional261807

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1111806

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional369577

1990PodracingNEERC 2013 Eastern Subregional228795

1991The battle near the swampNEERC 2013 Eastern Subregional422745

1992CVSNEERC 2013 Eastern Subregional541344

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1094171

1994The Emperor's planNEERC 2013 Eastern Subregional210860

1995Illegal spicesNEERC 2013 Eastern Subregional391472

1996Cipher Message 3NEERC 2013 Eastern Subregional184976

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional418442

1998The old PadawanNEERC 2013 Eastern Subregional623299

1999The secret moduleNEERC 2013 Eastern Subregional265257

2012About Grisha N.NEERC 2014 Eastern Subregional951017

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional216719

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional353448

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional665241

2016Magic and ScienceNEERC 2014 Eastern Subregional166253

2017Best of a bad lotNEERC 2014 Eastern Subregional1461042

2018The Debut AlbumNEERC 2014 Eastern Subregional166197

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional726221

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1218132

2021Scarily interesting!NEERC 2014 Eastern Subregional452352

2022Riding a ToadNEERC 2014 Eastern Subregional472852

2023Donald is a postmanNEERC 2014 Eastern Subregional455436

2074Timus problems classifierQualification of Eastern Subregional 2015169704

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015432379

2076VasianaQualification of Eastern Subregional 2015106305

2077ReductionsQualification of Eastern Subregional 2015155044