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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4182316

1054Hanoi TowerNEERC 2000 Central Subregional2007656

1055CombinationsNEERC 2000 Central Subregional3329396

1056Computer NetNEERC 2000 Central Subregional2480531

1057Amount of DegreesNEERC 2000 Central Subregional1859708

1058ChocolateNEERC 2000 Central Subregional4462896

1059ExpressionNEERC 2000 Central Subregional2096628

1133Fibonacci SequenceNEERC 2001 Central Subregional2398183

1134CardsNEERC 2001 Central Subregional2426181

1135RecruitsNEERC 2001 Central Subregional2684164

1136ParliamentNEERC 2001 Central Subregional443299

1137Bus RoutesNEERC 2001 Central Subregional1474297

1138Integer PercentageNEERC 2001 Central Subregional2210198

1139City BlocksNEERC 2001 Central Subregional567178

1140Swamp IncidentNEERC 2001 Central Subregional1187368

1158Censored!NEERC 2001 Northern Subregional865504

1159FenceNEERC 2001 Northern Subregional596728

1160NetworkNEERC 2001 Northern Subregional1499297

1161StripiesNEERC 2001 Northern Subregional481891

1162Currency ExchangeNEERC 2001 Northern Subregional985443

1163ChapaevNEERC 2001 Northern Subregional2151961

1164FillwordNEERC 2001 Northern Subregional2200200

1165SubnumberNEERC 2001 Northern Subregional492879

1166Funny Card GameNEERC 2001 Northern Subregional1183548

1224SpiralNEERC 2002 Central Subregional659068

1225FlagsNEERC 2002 Central Subregional1171538

1226esreveR redrONEERC 2002 Central Subregional4003112

1227Rally ChampionshipNEERC 2002 Central Subregional1424312

1228ArrayNEERC 2002 Central Subregional4298104

1229Strong BrickworkNEERC 2002 Central Subregional1143388

1230Introspective ProgramNEERC 2002 Central Subregional600734

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012122

1232Asteroid LandingNEERC 2002 Central Subregional1852296

1274Fractional ArithmeticNEERC 2003 Central Subregional652687

1275Knights of the Round TableNEERC 2003 Central Subregional1592690

1276TrainNEERC 2003 Central Subregional565791

1277Cops and ThievesNEERC 2003 Central Subregional565791

1278“… Connecting People”NEERC 2003 Central Subregional451986

1279WarehouseNEERC 2003 Central Subregional1076419

1280Topological SortingNEERC 2003 Central Subregional3079147

1281River BasinNEERC 2003 Central Subregional3171390

1282Game TreeNEERC 2003 Central Subregional1334338

1500Pass LicensesNEERC 2006 Eastern Subregional654636

1501Sense of BeautyNEERC 2006 Eastern Subregional1550271

1502Domino DotsNEERC 2006 Eastern Subregional560675

1503PolynomialNEERC 2006 Eastern Subregional2261789

1504Good MannersNEERC 2006 Eastern Subregional1742295

1505Oil TransferNEERC 2006 Eastern Subregional1312994

1506Columns of NumbersNEERC 2006 Eastern Subregional2694156

1507Difficult DecisionNEERC 2006 Eastern Subregional976428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2381702

1509Domino RecognitionNEERC 2006 Eastern Subregional1043704

1510OrderNEERC 2006 Eastern Subregional475389

1582BookmakersNEERC 2007 Eastern Subregional3301116

1583CheeseNEERC 2007 Eastern Subregional2061779

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991243

1585PenguinsNEERC 2007 Eastern Subregional935241

1586Threeprime NumbersNEERC 2007 Eastern Subregional2481154

1587Flying PigNEERC 2007 Eastern Subregional470800

1588JamaicaNEERC 2007 Eastern Subregional1204316

1589SokobanNEERC 2007 Eastern Subregional821342

1590Bacon’s CipherNEERC 2007 Eastern Subregional1739220

1591Abstract ThinkingNEERC 2007 Eastern Subregional3711008

1592Chinese WatchesNEERC 2007 Eastern Subregional647585

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional406953

1650BillionairesNEERC 2008 Eastern Subregional736466

1651Shortest SubchainNEERC 2008 Eastern Subregional992347

1652Banking CrisisNEERC 2008 Eastern Subregional1302483

1653Death ConveyorNEERC 2008 Eastern Subregional406953

1654Cipher MessageNEERC 2008 Eastern Subregional568661

1655Somali PiratesNEERC 2008 Eastern Subregional1622021

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1762196

1657Cube SnakeNEERC 2008 Eastern Subregional2411385

1658Sum of DigitsNEERC 2008 Eastern Subregional1418243

1659Regular TrianglesNEERC 2008 Eastern Subregional549622

1711Code NamesNEERC 2009 Eastern Subregional2540124

1712Cipher GrilleNEERC 2009 Eastern Subregional402678

1713Key SubstringsNEERC 2009 Eastern Subregional530585

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022818

1715Another Ball KillerNEERC 2009 Eastern Subregional326939

1716Alternative SolutionNEERC 2009 Eastern Subregional406759

1717Eligibility RulesNEERC 2009 Eastern Subregional1212409

1718RejudgeNEERC 2009 Eastern Subregional1130277

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2211366

1720Summit Online JudgeNEERC 2009 Eastern Subregional341899

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional572542

1800Murphy's LawNEERC 2010 Eastern Subregional1527183

1801The Revolution CupNEERC 2010 Eastern Subregional445211

1802Cube PuzzleNEERC 2010 Eastern Subregional1471792

1803The Czechs' RiflesNEERC 2010 Eastern Subregional426645

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional790352

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional314868

1806Mobile TelegraphsNEERC 2010 Eastern Subregional469587

1807Cartridges for MaximNEERC 2010 Eastern Subregional2011334

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1571685

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional519532

1885Passenger ComfortNEERC 2011 Eastern Subregional1264197

1886Trip 2NEERC 2011 Eastern Subregional1291802

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2201089

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional593415

1889Airport AnnouncementsNEERC 2011 Eastern Subregional928267

1890Money out of Thin AirNEERC 2011 Eastern Subregional546450

1891Language OceanNEERC 2011 Eastern Subregional416588

1892Morning in KoltsovoNEERC 2011 Eastern Subregional327743

1893A380NEERC 2011 Eastern Subregional458455

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1361715

1895Steaks on BoardNEERC 2011 Eastern Subregional1012256

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional672633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523569

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247861

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1361516

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional463952

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1169188

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722699

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1101199

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional264808

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1121814

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional371581

1990PodracingNEERC 2013 Eastern Subregional228807

1991The battle near the swampNEERC 2013 Eastern Subregional433044

1992CVSNEERC 2013 Eastern Subregional547345

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1104172

1994The Emperor's planNEERC 2013 Eastern Subregional211869

1995Illegal spicesNEERC 2013 Eastern Subregional394476

1996Cipher Message 3NEERC 2013 Eastern Subregional185985

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional421446

1998The old PadawanNEERC 2013 Eastern Subregional629301

1999The secret moduleNEERC 2013 Eastern Subregional265336

2012About Grisha N.NEERC 2014 Eastern Subregional982417

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional216732

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional355453

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional681240

2016Magic and ScienceNEERC 2014 Eastern Subregional166366

2017Best of a bad lotNEERC 2014 Eastern Subregional1461061

2018The Debut AlbumNEERC 2014 Eastern Subregional169297

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional732223

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1263130

2021Scarily interesting!NEERC 2014 Eastern Subregional457354

2022Riding a ToadNEERC 2014 Eastern Subregional472904

2023Donald is a postmanNEERC 2014 Eastern Subregional471835

2074Timus problems classifierQualification of Eastern Subregional 2015171714

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015432437

2076VasianaQualification of Eastern Subregional 2015106458

2077ReductionsQualification of Eastern Subregional 2015155166