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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4276322

1054Tower of HanoiNEERC 2000 Central Subregional2098655

1055CombinationsNEERC 2000 Central Subregional3441400

1056Centers of the NetNEERC 2000 Central Subregional2590531

1057Amount of DegreesNEERC 2000 Central Subregional1960701

1058ChocolateNEERC 2000 Central Subregional4792818

1059ExpressionNEERC 2000 Central Subregional2158637

1133Fibonacci SequenceNEERC 2001 Central Subregional2088219

1134CardsNEERC 2001 Central Subregional2541180

1135RecruitsNEERC 2001 Central Subregional2819162

1136ParliamentNEERC 2001 Central Subregional462299

1137Bus RoutesNEERC 2001 Central Subregional1335341

1138Integer PercentageNEERC 2001 Central Subregional2304198

1139City BlocksNEERC 2001 Central Subregional594177

1140Swamp IncidentNEERC 2001 Central Subregional1237368

1158Censored!NEERC 2001 Northern Subregional913498

1159FenceNEERC 2001 Northern Subregional625724

1160NetworkNEERC 2001 Northern Subregional2015230

1161StripiesNEERC 2001 Northern Subregional504791

1162Currency ExchangeNEERC 2001 Northern Subregional1327344

1163ChapaevNEERC 2001 Northern Subregional2261949

1164FillwordNEERC 2001 Northern Subregional2305199

1165SubnumberNEERC 2001 Northern Subregional509886

1166Funny Card GameNEERC 2001 Northern Subregional1253499

1224SpiralNEERC 2002 Central Subregional694867

1225FlagsNEERC 2002 Central Subregional1262037

1226esreveR redrONEERC 2002 Central Subregional4197111

1227Rally ChampionshipNEERC 2002 Central Subregional1508307

1228ArrayNEERC 2002 Central Subregional4466104

1229Strong BrickworkNEERC 2002 Central Subregional1238373

1230Introspective ProgramNEERC 2002 Central Subregional623736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2102119

1232Asteroid LandingNEERC 2002 Central Subregional1862378

1274Fractional ArithmeticNEERC 2003 Central Subregional682683

1275Knights of the Round TableNEERC 2003 Central Subregional1672671

1276TrainNEERC 2003 Central Subregional602773

1277Cops and ThievesNEERC 2003 Central Subregional596780

1278“… Connecting People”NEERC 2003 Central Subregional478969

1279WarehouseNEERC 2003 Central Subregional1138412

1280Topological SortingNEERC 2003 Central Subregional3306143

1281River BasinNEERC 2003 Central Subregional3281399

1282Game TreeNEERC 2003 Central Subregional1402335

1500Pass LicensesNEERC 2006 Eastern Subregional693628

1501Sense of BeautyNEERC 2006 Eastern Subregional1661264

1502Domino DotsNEERC 2006 Eastern Subregional596274

1503PolynomialNEERC 2006 Eastern Subregional2451731

1504Good MannersNEERC 2006 Eastern Subregional1882230

1505Oil TransferNEERC 2006 Eastern Subregional1472812

1506Columns of NumbersNEERC 2006 Eastern Subregional2861154

1507Difficult DecisionNEERC 2006 Eastern Subregional1008434

1508Japanese PuzzleNEERC 2006 Eastern Subregional2631617

1509Domino RecognitionNEERC 2006 Eastern Subregional1193423

1510OrderNEERC 2006 Eastern Subregional503887

1582BookmakersNEERC 2007 Eastern Subregional3473116

1583CheeseNEERC 2007 Eastern Subregional2111831

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3061281

1585PenguinsNEERC 2007 Eastern Subregional1018140

1586Threeprime NumbersNEERC 2007 Eastern Subregional2786145

1587Flying PigNEERC 2007 Eastern Subregional500794

1588JamaicaNEERC 2007 Eastern Subregional1272316

1589SokobanNEERC 2007 Eastern Subregional1020235

1590Bacon’s CipherNEERC 2007 Eastern Subregional1954206

1591Abstract ThinkingNEERC 2007 Eastern Subregional3861022

1592Chinese WatchesNEERC 2007 Eastern Subregional678588

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446841

1650BillionairesNEERC 2008 Eastern Subregional1059346

1651Shortest SubchainNEERC 2008 Eastern Subregional1068343

1652Banking CrisisNEERC 2008 Eastern Subregional1322602

1653Death ConveyorNEERC 2008 Eastern Subregional456717

1654Cipher MessageNEERC 2008 Eastern Subregional629459

1655Somali PiratesNEERC 2008 Eastern Subregional1791955

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1848199

1657Cube SnakeNEERC 2008 Eastern Subregional2471437

1658Sum of DigitsNEERC 2008 Eastern Subregional1719214

1659Regular TrianglesNEERC 2008 Eastern Subregional590616

1711Code NamesNEERC 2009 Eastern Subregional2690125

1712Cipher GrilleNEERC 2009 Eastern Subregional425979

1713Key SubstringsNEERC 2009 Eastern Subregional560594

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062918

1715Another Ball KillerNEERC 2009 Eastern Subregional333987

1716Alternative SolutionNEERC 2009 Eastern Subregional435761

1717Eligibility RulesNEERC 2009 Eastern Subregional1272471

1718RejudgeNEERC 2009 Eastern Subregional1180284

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2301410

1720Summit Online JudgeNEERC 2009 Eastern Subregional356925

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional608548

1800Murphy's LawNEERC 2010 Eastern Subregional1663183

1801The Revolution CupNEERC 2010 Eastern Subregional485265

1802Cube PuzzleNEERC 2010 Eastern Subregional1501909

1803The Czechs' RiflesNEERC 2010 Eastern Subregional448667

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional827365

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional330898

1806Mobile TelegraphsNEERC 2010 Eastern Subregional755399

1807Cartridges for MaximNEERC 2010 Eastern Subregional2151357

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611786

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional549546

1885Passenger ComfortNEERC 2011 Eastern Subregional1377199

1886Trip 2NEERC 2011 Eastern Subregional1351900

1887Frequent Flyer CardNEERC 2011 Eastern Subregional266998

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional636426

1889Airport AnnouncementsNEERC 2011 Eastern Subregional989276

1890Money out of Thin AirNEERC 2011 Eastern Subregional601451

1891Language OceanNEERC 2011 Eastern Subregional433622

1892Morning in KoltsovoNEERC 2011 Eastern Subregional340787

1893A380NEERC 2011 Eastern Subregional497655

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1471755

1895Steaks on BoardNEERC 2011 Eastern Subregional1272011

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional754333

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533925

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional254937

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1411638

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474338

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1261195

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732979

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1191206

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional292819

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221873

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional391617

1990PodracingNEERC 2013 Eastern Subregional237887

1991The battle near the swampNEERC 2013 Eastern Subregional495044

1992CVSNEERC 2013 Eastern Subregional646334

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1208180

1994The Emperor's planNEERC 2013 Eastern Subregional233902

1995Illegal spicesNEERC 2013 Eastern Subregional422507

1996Cipher Message 3NEERC 2013 Eastern Subregional1971058

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional456470

1998The old PadawanNEERC 2013 Eastern Subregional689313

1999The secret moduleNEERC 2013 Eastern Subregional266085

2012About Grisha N.NEERC 2014 Eastern Subregional1155417

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional232799

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional399473

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional747255

2016Magic and ScienceNEERC 2014 Eastern Subregional177162

2017Best of a bad lotNEERC 2014 Eastern Subregional1561165

2018The Debut AlbumNEERC 2014 Eastern Subregional200196

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional790242

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1422135

2021Scarily interesting!NEERC 2014 Eastern Subregional503377

2022Riding a ToadNEERC 2014 Eastern Subregional503223

2023Donald is a postmanNEERC 2014 Eastern Subregional536236

2074Timus problems classifierQualification of Eastern Subregional 2015191787

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015492682

2076VasianaQualification of Eastern Subregional 2015146593

2077ReductionsQualification of Eastern Subregional 2015175860