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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4272317

1054Hanoi TowerNEERC 2000 Central Subregional2082648

1055CombinationsNEERC 2000 Central Subregional3395398

1056Computer NetNEERC 2000 Central Subregional2559528

1057Amount of DegreesNEERC 2000 Central Subregional1939696

1058ChocolateNEERC 2000 Central Subregional4662843

1059ExpressionNEERC 2000 Central Subregional2132633

1133Fibonacci SequenceNEERC 2001 Central Subregional2049219

1134CardsNEERC 2001 Central Subregional2500180

1135RecruitsNEERC 2001 Central Subregional2757163

1136ParliamentNEERC 2001 Central Subregional456499

1137Bus RoutesNEERC 2001 Central Subregional1535292

1138Integer PercentageNEERC 2001 Central Subregional2268198

1139City BlocksNEERC 2001 Central Subregional583377

1140Swamp IncidentNEERC 2001 Central Subregional1223366

1158Censored!NEERC 2001 Northern Subregional892501

1159FenceNEERC 2001 Northern Subregional616722

1160NetworkNEERC 2001 Northern Subregional1676272

1161StripiesNEERC 2001 Northern Subregional495691

1162Currency ExchangeNEERC 2001 Northern Subregional1095409

1163ChapaevNEERC 2001 Northern Subregional2241931

1164FillwordNEERC 2001 Northern Subregional2276198

1165SubnumberNEERC 2001 Northern Subregional499888

1166Funny Card GameNEERC 2001 Northern Subregional1203574

1224SpiralNEERC 2002 Central Subregional679867

1225FlagsNEERC 2002 Central Subregional1222937

1226esreveR redrONEERC 2002 Central Subregional4131111

1227Rally ChampionshipNEERC 2002 Central Subregional1477308

1228ArrayNEERC 2002 Central Subregional4389104

1229Strong BrickworkNEERC 2002 Central Subregional1189382

1230Introspective ProgramNEERC 2002 Central Subregional613736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2062121

1232Asteroid LandingNEERC 2002 Central Subregional1842362

1274Fractional ArithmeticNEERC 2003 Central Subregional671683

1275Knights of the Round TableNEERC 2003 Central Subregional1632688

1276TrainNEERC 2003 Central Subregional586780

1277Cops and ThievesNEERC 2003 Central Subregional582786

1278“… Connecting People”NEERC 2003 Central Subregional457996

1279WarehouseNEERC 2003 Central Subregional1100419

1280Topological SortingNEERC 2003 Central Subregional3207145

1281River BasinNEERC 2003 Central Subregional3231396

1282Game TreeNEERC 2003 Central Subregional1372336

1500Pass LicensesNEERC 2006 Eastern Subregional678630

1501Sense of BeautyNEERC 2006 Eastern Subregional1623265

1502Domino DotsNEERC 2006 Eastern Subregional580974

1503PolynomialNEERC 2006 Eastern Subregional2281820

1504Good MannersNEERC 2006 Eastern Subregional1742355

1505Oil TransferNEERC 2006 Eastern Subregional1333030

1506Columns of NumbersNEERC 2006 Eastern Subregional2797154

1507Difficult DecisionNEERC 2006 Eastern Subregional999429

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411726

1509Domino RecognitionNEERC 2006 Eastern Subregional1053768

1510OrderNEERC 2006 Eastern Subregional492788

1582BookmakersNEERC 2007 Eastern Subregional3414116

1583CheeseNEERC 2007 Eastern Subregional2071825

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3021269

1585PenguinsNEERC 2007 Eastern Subregional979640

1586Threeprime NumbersNEERC 2007 Eastern Subregional2638150

1587Flying PigNEERC 2007 Eastern Subregional490792

1588JamaicaNEERC 2007 Eastern Subregional1255313

1589SokobanNEERC 2007 Eastern Subregional821996

1590Bacon’s CipherNEERC 2007 Eastern Subregional1844214

1591Abstract ThinkingNEERC 2007 Eastern Subregional3801015

1592Chinese WatchesNEERC 2007 Eastern Subregional666586

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417061

1650BillionairesNEERC 2008 Eastern Subregional835426

1651Shortest SubchainNEERC 2008 Eastern Subregional1033345

1652Banking CrisisNEERC 2008 Eastern Subregional1322536

1653Death ConveyorNEERC 2008 Eastern Subregional426925

1654Cipher MessageNEERC 2008 Eastern Subregional606359

1655Somali PiratesNEERC 2008 Eastern Subregional1761936

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1815197

1657Cube SnakeNEERC 2008 Eastern Subregional2451412

1658Sum of DigitsNEERC 2008 Eastern Subregional1493240

1659Regular TrianglesNEERC 2008 Eastern Subregional577614

1711Code NamesNEERC 2009 Eastern Subregional2631124

1712Cipher GrilleNEERC 2009 Eastern Subregional417279

1713Key SubstringsNEERC 2009 Eastern Subregional555582

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1052858

1715Another Ball KillerNEERC 2009 Eastern Subregional330967

1716Alternative SolutionNEERC 2009 Eastern Subregional417770

1717Eligibility RulesNEERC 2009 Eastern Subregional1252435

1718RejudgeNEERC 2009 Eastern Subregional1166280

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2261393

1720Summit Online JudgeNEERC 2009 Eastern Subregional350913

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional595543

1800Murphy's LawNEERC 2010 Eastern Subregional1604183

1801The Revolution CupNEERC 2010 Eastern Subregional465270

1802Cube PuzzleNEERC 2010 Eastern Subregional1481868

1803The Czechs' RiflesNEERC 2010 Eastern Subregional441654

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional816357

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional321892

1806Mobile TelegraphsNEERC 2010 Eastern Subregional559519

1807Cartridges for MaximNEERC 2010 Eastern Subregional2111335

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601736

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional542535

1885Passenger ComfortNEERC 2011 Eastern Subregional1347195

1886Trip 2NEERC 2011 Eastern Subregional1341839

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2301103

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional617422

1889Airport AnnouncementsNEERC 2011 Eastern Subregional970270

1890Money out of Thin AirNEERC 2011 Eastern Subregional582447

1891Language OceanNEERC 2011 Eastern Subregional429603

1892Morning in KoltsovoNEERC 2011 Eastern Subregional335767

1893A380NEERC 2011 Eastern Subregional483055

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1401765

1895Steaks on BoardNEERC 2011 Eastern Subregional1062283

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional719633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533749

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253898

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381596

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474144

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1234190

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732846

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1161202

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional284803

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1191831

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional385598

1990PodracingNEERC 2013 Eastern Subregional235847

1991The battle near the swampNEERC 2013 Eastern Subregional470044

1992CVSNEERC 2013 Eastern Subregional617331

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1177175

1994The Emperor's planNEERC 2013 Eastern Subregional225883

1995Illegal spicesNEERC 2013 Eastern Subregional414490

1996Cipher Message 3NEERC 2013 Eastern Subregional1941017

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional445456

1998The old PadawanNEERC 2013 Eastern Subregional672304

1999The secret moduleNEERC 2013 Eastern Subregional265765

2012About Grisha N.NEERC 2014 Eastern Subregional1082817

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional225772

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional383462

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional728246

2016Magic and ScienceNEERC 2014 Eastern Subregional176721

2017Best of a bad lotNEERC 2014 Eastern Subregional1541107

2018The Debut AlbumNEERC 2014 Eastern Subregional187796

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional769233

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1365132

2021Scarily interesting!NEERC 2014 Eastern Subregional489364

2022Riding a ToadNEERC 2014 Eastern Subregional493076

2023Donald is a postmanNEERC 2014 Eastern Subregional509736

2074Timus problems classifierQualification of Eastern Subregional 2015184752

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452651

2076VasianaQualification of Eastern Subregional 2015126627

2077ReductionsQualification of Eastern Subregional 2015175400