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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4228318

1054Hanoi TowerNEERC 2000 Central Subregional2067649

1055CombinationsNEERC 2000 Central Subregional3384397

1056Computer NetNEERC 2000 Central Subregional2529531

1057Amount of DegreesNEERC 2000 Central Subregional1905704

1058ChocolateNEERC 2000 Central Subregional4592869

1059ExpressionNEERC 2000 Central Subregional2126631

1133Fibonacci SequenceNEERC 2001 Central Subregional2028220

1134CardsNEERC 2001 Central Subregional2474181

1135RecruitsNEERC 2001 Central Subregional2739163

1136ParliamentNEERC 2001 Central Subregional453399

1137Bus RoutesNEERC 2001 Central Subregional1517294

1138Integer PercentageNEERC 2001 Central Subregional2255198

1139City BlocksNEERC 2001 Central Subregional579077

1140Swamp IncidentNEERC 2001 Central Subregional1209368

1158Censored!NEERC 2001 Northern Subregional885502

1159FenceNEERC 2001 Northern Subregional607728

1160NetworkNEERC 2001 Northern Subregional1652275

1161StripiesNEERC 2001 Northern Subregional493491

1162Currency ExchangeNEERC 2001 Northern Subregional1092408

1163ChapaevNEERC 2001 Northern Subregional2191963

1164FillwordNEERC 2001 Northern Subregional2246199

1165SubnumberNEERC 2001 Northern Subregional498885

1166Funny Card GameNEERC 2001 Northern Subregional1203555

1224SpiralNEERC 2002 Central Subregional675867

1225FlagsNEERC 2002 Central Subregional1213638

1226esreveR redrONEERC 2002 Central Subregional4104111

1227Rally ChampionshipNEERC 2002 Central Subregional1467309

1228ArrayNEERC 2002 Central Subregional4368104

1229Strong BrickworkNEERC 2002 Central Subregional1182382

1230Introspective ProgramNEERC 2002 Central Subregional608738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2032140

1232Asteroid LandingNEERC 2002 Central Subregional1832362

1274Fractional ArithmeticNEERC 2003 Central Subregional664686

1275Knights of the Round TableNEERC 2003 Central Subregional1612705

1276TrainNEERC 2003 Central Subregional580784

1277Cops and ThievesNEERC 2003 Central Subregional578787

1278“… Connecting People”NEERC 2003 Central Subregional455995

1279WarehouseNEERC 2003 Central Subregional1095419

1280Topological SortingNEERC 2003 Central Subregional3173145

1281River BasinNEERC 2003 Central Subregional3201402

1282Game TreeNEERC 2003 Central Subregional1366336

1500Pass LicensesNEERC 2006 Eastern Subregional670633

1501Sense of BeautyNEERC 2006 Eastern Subregional1608266

1502Domino DotsNEERC 2006 Eastern Subregional576675

1503PolynomialNEERC 2006 Eastern Subregional2281810

1504Good MannersNEERC 2006 Eastern Subregional1742341

1505Oil TransferNEERC 2006 Eastern Subregional1333012

1506Columns of NumbersNEERC 2006 Eastern Subregional2760155

1507Difficult DecisionNEERC 2006 Eastern Subregional997428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411716

1509Domino RecognitionNEERC 2006 Eastern Subregional1043778

1510OrderNEERC 2006 Eastern Subregional489788

1582BookmakersNEERC 2007 Eastern Subregional3384116

1583CheeseNEERC 2007 Eastern Subregional2071812

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001268

1585PenguinsNEERC 2007 Eastern Subregional971040

1586Threeprime NumbersNEERC 2007 Eastern Subregional2613150

1587Flying PigNEERC 2007 Eastern Subregional487791

1588JamaicaNEERC 2007 Eastern Subregional1248313

1589SokobanNEERC 2007 Eastern Subregional821845

1590Bacon’s CipherNEERC 2007 Eastern Subregional1822215

1591Abstract ThinkingNEERC 2007 Eastern Subregional3791011

1592Chinese WatchesNEERC 2007 Eastern Subregional659588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417005

1650BillionairesNEERC 2008 Eastern Subregional827427

1651Shortest SubchainNEERC 2008 Eastern Subregional1022346

1652Banking CrisisNEERC 2008 Eastern Subregional1312534

1653Death ConveyorNEERC 2008 Eastern Subregional426870

1654Cipher MessageNEERC 2008 Eastern Subregional601359

1655Somali PiratesNEERC 2008 Eastern Subregional1731952

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1802197

1657Cube SnakeNEERC 2008 Eastern Subregional2431412

1658Sum of DigitsNEERC 2008 Eastern Subregional1485239

1659Regular TrianglesNEERC 2008 Eastern Subregional572614

1711Code NamesNEERC 2009 Eastern Subregional2611124

1712Cipher GrilleNEERC 2009 Eastern Subregional414578

1713Key SubstringsNEERC 2009 Eastern Subregional551581

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032882

1715Another Ball KillerNEERC 2009 Eastern Subregional327966

1716Alternative SolutionNEERC 2009 Eastern Subregional413770

1717Eligibility RulesNEERC 2009 Eastern Subregional1252413

1718RejudgeNEERC 2009 Eastern Subregional1159279

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2241392

1720Summit Online JudgeNEERC 2009 Eastern Subregional350905

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional590543

1800Murphy's LawNEERC 2010 Eastern Subregional1567185

1801The Revolution CupNEERC 2010 Eastern Subregional455308

1802Cube PuzzleNEERC 2010 Eastern Subregional1481848

1803The Czechs' RiflesNEERC 2010 Eastern Subregional436655

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional805358

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional319887

1806Mobile TelegraphsNEERC 2010 Eastern Subregional546525

1807Cartridges for MaximNEERC 2010 Eastern Subregional2071345

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601717

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional535536

1885Passenger ComfortNEERC 2011 Eastern Subregional1314197

1886Trip 2NEERC 2011 Eastern Subregional1331828

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2271103

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional614419

1889Airport AnnouncementsNEERC 2011 Eastern Subregional958270

1890Money out of Thin AirNEERC 2011 Eastern Subregional579444

1891Language OceanNEERC 2011 Eastern Subregional426600

1892Morning in KoltsovoNEERC 2011 Eastern Subregional331767

1893A380NEERC 2011 Eastern Subregional477955

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1391755

1895Steaks on BoardNEERC 2011 Eastern Subregional1042294

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional709733

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533694

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional252888

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381573

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464156

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1221189

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732804

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1148201

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional279805

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1171833

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional378600

1990PodracingNEERC 2013 Eastern Subregional232843

1991The battle near the swampNEERC 2013 Eastern Subregional463944

1992CVSNEERC 2013 Eastern Subregional591339

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1156175

1994The Emperor's planNEERC 2013 Eastern Subregional225868

1995Illegal spicesNEERC 2013 Eastern Subregional409487

1996Cipher Message 3NEERC 2013 Eastern Subregional1921010

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional440453

1998The old PadawanNEERC 2013 Eastern Subregional667301

1999The secret moduleNEERC 2013 Eastern Subregional265666

2012About Grisha N.NEERC 2014 Eastern Subregional1054617

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional223763

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional375462

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional721243

2016Magic and ScienceNEERC 2014 Eastern Subregional176585

2017Best of a bad lotNEERC 2014 Eastern Subregional1511104

2018The Debut AlbumNEERC 2014 Eastern Subregional183496

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional760231

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1347131

2021Scarily interesting!NEERC 2014 Eastern Subregional484360

2022Riding a ToadNEERC 2014 Eastern Subregional493013

2023Donald is a postmanNEERC 2014 Eastern Subregional501535

2074Timus problems classifierQualification of Eastern Subregional 2015182739

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452581

2076VasianaQualification of Eastern Subregional 2015126453

2077ReductionsQualification of Eastern Subregional 2015175258