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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4335328

1054Tower of HanoiNEERC 2000 Central Subregional2181650

1055CombinationsNEERC 2000 Central Subregional3494407

1056Centers of the NetNEERC 2000 Central Subregional2637538

1057Amount of DegreesNEERC 2000 Central Subregional2007706

1058ChocolateNEERC 2000 Central Subregional4972803

1059ExpressionNEERC 2000 Central Subregional2186649

1133Fibonacci SequenceNEERC 2001 Central Subregional2140220

1134CardsNEERC 2001 Central Subregional2440193

1135RecruitsNEERC 2001 Central Subregional2884164

1136ParliamentNEERC 2001 Central Subregional475399

1137Bus RoutesNEERC 2001 Central Subregional1406334

1138Integer PercentageNEERC 2001 Central Subregional2353200

1139City BlocksNEERC 2001 Central Subregional611577

1140Swamp IncidentNEERC 2001 Central Subregional1268370

1158Censored!NEERC 2001 Northern Subregional934502

1159FenceNEERC 2001 Northern Subregional632738

1160NetworkNEERC 2001 Northern Subregional2431197

1161StripiesNEERC 2001 Northern Subregional518691

1162Currency ExchangeNEERC 2001 Northern Subregional1649286

1163ChapaevNEERC 2001 Northern Subregional2371918

1164FillwordNEERC 2001 Northern Subregional2349201

1165SubnumberNEERC 2001 Northern Subregional518897

1166Funny Card GameNEERC 2001 Northern Subregional1283522

1224SpiralNEERC 2002 Central Subregional717767

1225FlagsNEERC 2002 Central Subregional1320836

1226esreveR redrONEERC 2002 Central Subregional4306111

1227Rally ChampionshipNEERC 2002 Central Subregional1565305

1228ArrayNEERC 2002 Central Subregional4548105

1229Strong BrickworkNEERC 2002 Central Subregional1268376

1230Introspective ProgramNEERC 2002 Central Subregional632748

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2152133

1232Asteroid LandingNEERC 2002 Central Subregional1922376

1274Fractional ArithmeticNEERC 2003 Central Subregional695690

1275Knights of the Round TableNEERC 2003 Central Subregional1892444

1276TrainNEERC 2003 Central Subregional622770

1277Cops and ThievesNEERC 2003 Central Subregional610785

1278“… Connecting People”NEERC 2003 Central Subregional490973

1279WarehouseNEERC 2003 Central Subregional1159416

1280Topological SortingNEERC 2003 Central Subregional3413142

1281River BasinNEERC 2003 Central Subregional3401390

1282Game TreeNEERC 2003 Central Subregional1442335

1500Pass LicensesNEERC 2006 Eastern Subregional709634

1501Sense of BeautyNEERC 2006 Eastern Subregional1720264

1502Domino DotsNEERC 2006 Eastern Subregional619673

1503PolynomialNEERC 2006 Eastern Subregional2511747

1504Good MannersNEERC 2006 Eastern Subregional1912268

1505Oil TransferNEERC 2006 Eastern Subregional1502850

1506Columns of NumbersNEERC 2006 Eastern Subregional3025150

1507Difficult DecisionNEERC 2006 Eastern Subregional1032438

1508Japanese PuzzleNEERC 2006 Eastern Subregional2711623

1509Domino RecognitionNEERC 2006 Eastern Subregional1213481

1510OrderNEERC 2006 Eastern Subregional522487

1582BookmakersNEERC 2007 Eastern Subregional3553118

1583CheeseNEERC 2007 Eastern Subregional2151867

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3091317

1585PenguinsNEERC 2007 Eastern Subregional1087139

1586Threeprime NumbersNEERC 2007 Eastern Subregional2908144

1587Flying PigNEERC 2007 Eastern Subregional514802

1588JamaicaNEERC 2007 Eastern Subregional1303320

1589SokobanNEERC 2007 Eastern Subregional1120005

1590Bacon’s CipherNEERC 2007 Eastern Subregional2198190

1591Abstract ThinkingNEERC 2007 Eastern Subregional3931042

1592Chinese WatchesNEERC 2007 Eastern Subregional689601

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional457014

1650BillionairesNEERC 2008 Eastern Subregional1356282

1651Shortest SubchainNEERC 2008 Eastern Subregional1100348

1652Banking CrisisNEERC 2008 Eastern Subregional1372624

1653Death ConveyorNEERC 2008 Eastern Subregional476767

1654Cipher MessageNEERC 2008 Eastern Subregional658758

1655Somali PiratesNEERC 2008 Eastern Subregional1881948

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1906201

1657Cube SnakeNEERC 2008 Eastern Subregional2571445

1658Sum of DigitsNEERC 2008 Eastern Subregional1957196

1659Regular TrianglesNEERC 2008 Eastern Subregional603629

1711Code NamesNEERC 2009 Eastern Subregional2768128

1712Cipher GrilleNEERC 2009 Eastern Subregional439381

1713Key SubstringsNEERC 2009 Eastern Subregional581602

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073039

1715Another Ball KillerNEERC 2009 Eastern Subregional360961

1716Alternative SolutionNEERC 2009 Eastern Subregional454766

1717Eligibility RulesNEERC 2009 Eastern Subregional1552155

1718RejudgeNEERC 2009 Eastern Subregional1220289

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2331463

1720Summit Online JudgeNEERC 2009 Eastern Subregional365948

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional633553

1800Murphy's LawNEERC 2010 Eastern Subregional1792179

1801The Revolution CupNEERC 2010 Eastern Subregional505389

1802Cube PuzzleNEERC 2010 Eastern Subregional1541972

1803The Czechs' RiflesNEERC 2010 Eastern Subregional455695

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional845378

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional339927

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1008318

1807Cartridges for MaximNEERC 2010 Eastern Subregional2241382

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1641858

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional563564

1885Passenger ComfortNEERC 2011 Eastern Subregional1500195

1886Trip 2NEERC 2011 Eastern Subregional1401961

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2811011

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional657441

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1027284

1890Money out of Thin AirNEERC 2011 Eastern Subregional672431

1891Language OceanNEERC 2011 Eastern Subregional445647

1892Morning in KoltsovoNEERC 2011 Eastern Subregional348822

1893A380NEERC 2011 Eastern Subregional520956

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1631701

1895Steaks on BoardNEERC 2011 Eastern Subregional1312087

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional812133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534234

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2211155

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1431744

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional524303

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1317201

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773066

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1231215

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional301858

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1261962

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional398654

1990PodracingNEERC 2013 Eastern Subregional241953

1991The battle near the swampNEERC 2013 Eastern Subregional539144

1992CVSNEERC 2013 Eastern Subregional649363

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1281185

1994The Emperor's planNEERC 2013 Eastern Subregional239961

1995Illegal spicesNEERC 2013 Eastern Subregional432541

1996Cipher Message 3NEERC 2013 Eastern Subregional2021129

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional466503

1998The old PadawanNEERC 2013 Eastern Subregional712331

1999The secret moduleNEERC 2013 Eastern Subregional266647

2012About Grisha N.NEERC 2014 Eastern Subregional1316016

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional240857

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional419499

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional790268

2016Magic and ScienceNEERC 2014 Eastern Subregional177935

2017Best of a bad lotNEERC 2014 Eastern Subregional1631238

2018The Debut AlbumNEERC 2014 Eastern Subregional2130100

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional837253

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1504142

2021Scarily interesting!NEERC 2014 Eastern Subregional525400

2022Riding a ToadNEERC 2014 Eastern Subregional523456

2023Donald is a postmanNEERC 2014 Eastern Subregional586636

2074Timus problems classifierQualification of Eastern Subregional 2015199861

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015552769

2076VasianaQualification of Eastern Subregional 2015166923

2077ReductionsQualification of Eastern Subregional 2015176667