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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4215318

1054Hanoi TowerNEERC 2000 Central Subregional2040654

1055CombinationsNEERC 2000 Central Subregional3369397

1056Computer NetNEERC 2000 Central Subregional2515531

1057Amount of DegreesNEERC 2000 Central Subregional1888707

1058ChocolateNEERC 2000 Central Subregional4582860

1059ExpressionNEERC 2000 Central Subregional2115631

1133Fibonacci SequenceNEERC 2001 Central Subregional2442182

1134CardsNEERC 2001 Central Subregional2466180

1135RecruitsNEERC 2001 Central Subregional2714164

1136ParliamentNEERC 2001 Central Subregional450299

1137Bus RoutesNEERC 2001 Central Subregional1507294

1138Integer PercentageNEERC 2001 Central Subregional2242198

1139City BlocksNEERC 2001 Central Subregional575277

1140Swamp IncidentNEERC 2001 Central Subregional1202368

1158Censored!NEERC 2001 Northern Subregional876505

1159FenceNEERC 2001 Northern Subregional606726

1160NetworkNEERC 2001 Northern Subregional1586284

1161StripiesNEERC 2001 Northern Subregional489191

1162Currency ExchangeNEERC 2001 Northern Subregional1046423

1163ChapaevNEERC 2001 Northern Subregional2171969

1164FillwordNEERC 2001 Northern Subregional2229200

1165SubnumberNEERC 2001 Northern Subregional495885

1166Funny Card GameNEERC 2001 Northern Subregional1193565

1224SpiralNEERC 2002 Central Subregional671367

1225FlagsNEERC 2002 Central Subregional1201238

1226esreveR redrONEERC 2002 Central Subregional4079111

1227Rally ChampionshipNEERC 2002 Central Subregional1449311

1228ArrayNEERC 2002 Central Subregional4341104

1229Strong BrickworkNEERC 2002 Central Subregional1160388

1230Introspective ProgramNEERC 2002 Central Subregional605737

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012149

1232Asteroid LandingNEERC 2002 Central Subregional1862313

1274Fractional ArithmeticNEERC 2003 Central Subregional658689

1275Knights of the Round TableNEERC 2003 Central Subregional1612692

1276TrainNEERC 2003 Central Subregional577784

1277Cops and ThievesNEERC 2003 Central Subregional576785

1278“… Connecting People”NEERC 2003 Central Subregional452996

1279WarehouseNEERC 2003 Central Subregional1089419

1280Topological SortingNEERC 2003 Central Subregional3144146

1281River BasinNEERC 2003 Central Subregional3191399

1282Game TreeNEERC 2003 Central Subregional1356337

1500Pass LicensesNEERC 2006 Eastern Subregional667633

1501Sense of BeautyNEERC 2006 Eastern Subregional1594267

1502Domino DotsNEERC 2006 Eastern Subregional571375

1503PolynomialNEERC 2006 Eastern Subregional2281799

1504Good MannersNEERC 2006 Eastern Subregional1742327

1505Oil TransferNEERC 2006 Eastern Subregional1332995

1506Columns of NumbersNEERC 2006 Eastern Subregional2743156

1507Difficult DecisionNEERC 2006 Eastern Subregional989429

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411706

1509Domino RecognitionNEERC 2006 Eastern Subregional1043756

1510OrderNEERC 2006 Eastern Subregional485388

1582BookmakersNEERC 2007 Eastern Subregional3355116

1583CheeseNEERC 2007 Eastern Subregional2071800

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001260

1585PenguinsNEERC 2007 Eastern Subregional958941

1586Threeprime NumbersNEERC 2007 Eastern Subregional2588150

1587Flying PigNEERC 2007 Eastern Subregional480797

1588JamaicaNEERC 2007 Eastern Subregional1232314

1589SokobanNEERC 2007 Eastern Subregional821697

1590Bacon’s CipherNEERC 2007 Eastern Subregional1796216

1591Abstract ThinkingNEERC 2007 Eastern Subregional3751014

1592Chinese WatchesNEERC 2007 Eastern Subregional656586

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407089

1650BillionairesNEERC 2008 Eastern Subregional817429

1651Shortest SubchainNEERC 2008 Eastern Subregional1011347

1652Banking CrisisNEERC 2008 Eastern Subregional1312514

1653Death ConveyorNEERC 2008 Eastern Subregional407089

1654Cipher MessageNEERC 2008 Eastern Subregional594760

1655Somali PiratesNEERC 2008 Eastern Subregional1652025

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1790197

1657Cube SnakeNEERC 2008 Eastern Subregional2421406

1658Sum of DigitsNEERC 2008 Eastern Subregional1475239

1659Regular TrianglesNEERC 2008 Eastern Subregional566615

1711Code NamesNEERC 2009 Eastern Subregional2584124

1712Cipher GrilleNEERC 2009 Eastern Subregional410378

1713Key SubstringsNEERC 2009 Eastern Subregional542585

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032856

1715Another Ball KillerNEERC 2009 Eastern Subregional327958

1716Alternative SolutionNEERC 2009 Eastern Subregional412765

1717Eligibility RulesNEERC 2009 Eastern Subregional1252391

1718RejudgeNEERC 2009 Eastern Subregional1149278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2241379

1720Summit Online JudgeNEERC 2009 Eastern Subregional343914

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional577550

1800Murphy's LawNEERC 2010 Eastern Subregional1557184

1801The Revolution CupNEERC 2010 Eastern Subregional455252

1802Cube PuzzleNEERC 2010 Eastern Subregional1481828

1803The Czechs' RiflesNEERC 2010 Eastern Subregional433652

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional800357

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional316886

1806Mobile TelegraphsNEERC 2010 Eastern Subregional509557

1807Cartridges for MaximNEERC 2010 Eastern Subregional2051344

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601699

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional527538

1885Passenger ComfortNEERC 2011 Eastern Subregional1299197

1886Trip 2NEERC 2011 Eastern Subregional1311832

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2221113

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional610417

1889Airport AnnouncementsNEERC 2011 Eastern Subregional945270

1890Money out of Thin AirNEERC 2011 Eastern Subregional571444

1891Language OceanNEERC 2011 Eastern Subregional424595

1892Morning in KoltsovoNEERC 2011 Eastern Subregional331757

1893A380NEERC 2011 Eastern Subregional472255

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1381745

1895Steaks on BoardNEERC 2011 Eastern Subregional1042265

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional700933

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533641

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional250882

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371561

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464096

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1209188

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722798

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1126202

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional275805

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1161821

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional374597

1990PodracingNEERC 2013 Eastern Subregional232829

1991The battle near the swampNEERC 2013 Eastern Subregional456244

1992CVSNEERC 2013 Eastern Subregional583338

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1143174

1994The Emperor's planNEERC 2013 Eastern Subregional220872

1995Illegal spicesNEERC 2013 Eastern Subregional402487

1996Cipher Message 3NEERC 2013 Eastern Subregional1881013

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional435451

1998The old PadawanNEERC 2013 Eastern Subregional654302

1999The secret moduleNEERC 2013 Eastern Subregional265570

2012About Grisha N.NEERC 2014 Eastern Subregional1038017

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional221754

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional370458

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional708243

2016Magic and ScienceNEERC 2014 Eastern Subregional166700

2017Best of a bad lotNEERC 2014 Eastern Subregional1481103

2018The Debut AlbumNEERC 2014 Eastern Subregional179896

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional750229

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1324131

2021Scarily interesting!NEERC 2014 Eastern Subregional477358

2022Riding a ToadNEERC 2014 Eastern Subregional483003

2023Donald is a postmanNEERC 2014 Eastern Subregional493835

2074Timus problems classifierQualification of Eastern Subregional 2015177739

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442559

2076VasianaQualification of Eastern Subregional 2015116581

2077ReductionsQualification of Eastern Subregional 2015155528