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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4229318

1054Hanoi TowerNEERC 2000 Central Subregional2068649

1055CombinationsNEERC 2000 Central Subregional3387397

1056Computer NetNEERC 2000 Central Subregional2530531

1057Amount of DegreesNEERC 2000 Central Subregional1906704

1058ChocolateNEERC 2000 Central Subregional4592871

1059ExpressionNEERC 2000 Central Subregional2127632

1133Fibonacci SequenceNEERC 2001 Central Subregional2030220

1134CardsNEERC 2001 Central Subregional2479180

1135RecruitsNEERC 2001 Central Subregional2743163

1136ParliamentNEERC 2001 Central Subregional453899

1137Bus RoutesNEERC 2001 Central Subregional1522293

1138Integer PercentageNEERC 2001 Central Subregional2256198

1139City BlocksNEERC 2001 Central Subregional579577

1140Swamp IncidentNEERC 2001 Central Subregional1209368

1158Censored!NEERC 2001 Northern Subregional886502

1159FenceNEERC 2001 Northern Subregional607729

1160NetworkNEERC 2001 Northern Subregional1657274

1161StripiesNEERC 2001 Northern Subregional493891

1162Currency ExchangeNEERC 2001 Northern Subregional1093408

1163ChapaevNEERC 2001 Northern Subregional2191964

1164FillwordNEERC 2001 Northern Subregional2249199

1165SubnumberNEERC 2001 Northern Subregional498885

1166Funny Card GameNEERC 2001 Northern Subregional1203557

1224SpiralNEERC 2002 Central Subregional676467

1225FlagsNEERC 2002 Central Subregional1214638

1226esreveR redrONEERC 2002 Central Subregional4114111

1227Rally ChampionshipNEERC 2002 Central Subregional1468309

1228ArrayNEERC 2002 Central Subregional4376104

1229Strong BrickworkNEERC 2002 Central Subregional1183382

1230Introspective ProgramNEERC 2002 Central Subregional608738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2032141

1232Asteroid LandingNEERC 2002 Central Subregional1832363

1274Fractional ArithmeticNEERC 2003 Central Subregional664687

1275Knights of the Round TableNEERC 2003 Central Subregional1612707

1276TrainNEERC 2003 Central Subregional581783

1277Cops and ThievesNEERC 2003 Central Subregional579786

1278“… Connecting People”NEERC 2003 Central Subregional455995

1279WarehouseNEERC 2003 Central Subregional1097418

1280Topological SortingNEERC 2003 Central Subregional3181145

1281River BasinNEERC 2003 Central Subregional3201403

1282Game TreeNEERC 2003 Central Subregional1367336

1500Pass LicensesNEERC 2006 Eastern Subregional672632

1501Sense of BeautyNEERC 2006 Eastern Subregional1611266

1502Domino DotsNEERC 2006 Eastern Subregional577874

1503PolynomialNEERC 2006 Eastern Subregional2281811

1504Good MannersNEERC 2006 Eastern Subregional1742342

1505Oil TransferNEERC 2006 Eastern Subregional1333014

1506Columns of NumbersNEERC 2006 Eastern Subregional2762155

1507Difficult DecisionNEERC 2006 Eastern Subregional998428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411717

1509Domino RecognitionNEERC 2006 Eastern Subregional1043781

1510OrderNEERC 2006 Eastern Subregional490188

1582BookmakersNEERC 2007 Eastern Subregional3394116

1583CheeseNEERC 2007 Eastern Subregional2071813

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001269

1585PenguinsNEERC 2007 Eastern Subregional972140

1586Threeprime NumbersNEERC 2007 Eastern Subregional2615150

1587Flying PigNEERC 2007 Eastern Subregional488790

1588JamaicaNEERC 2007 Eastern Subregional1248313

1589SokobanNEERC 2007 Eastern Subregional821861

1590Bacon’s CipherNEERC 2007 Eastern Subregional1825214

1591Abstract ThinkingNEERC 2007 Eastern Subregional3791012

1592Chinese WatchesNEERC 2007 Eastern Subregional660587

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417011

1650BillionairesNEERC 2008 Eastern Subregional830426

1651Shortest SubchainNEERC 2008 Eastern Subregional1023346

1652Banking CrisisNEERC 2008 Eastern Subregional1312536

1653Death ConveyorNEERC 2008 Eastern Subregional426876

1654Cipher MessageNEERC 2008 Eastern Subregional602259

1655Somali PiratesNEERC 2008 Eastern Subregional1761922

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1805197

1657Cube SnakeNEERC 2008 Eastern Subregional2431413

1658Sum of DigitsNEERC 2008 Eastern Subregional1486239

1659Regular TrianglesNEERC 2008 Eastern Subregional572614

1711Code NamesNEERC 2009 Eastern Subregional2619124

1712Cipher GrilleNEERC 2009 Eastern Subregional415178

1713Key SubstringsNEERC 2009 Eastern Subregional552580

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032885

1715Another Ball KillerNEERC 2009 Eastern Subregional329962

1716Alternative SolutionNEERC 2009 Eastern Subregional413771

1717Eligibility RulesNEERC 2009 Eastern Subregional1252415

1718RejudgeNEERC 2009 Eastern Subregional1161278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2251387

1720Summit Online JudgeNEERC 2009 Eastern Subregional350906

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional591542

1800Murphy's LawNEERC 2010 Eastern Subregional1570185

1801The Revolution CupNEERC 2010 Eastern Subregional455314

1802Cube PuzzleNEERC 2010 Eastern Subregional1481850

1803The Czechs' RiflesNEERC 2010 Eastern Subregional436655

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional808357

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional319888

1806Mobile TelegraphsNEERC 2010 Eastern Subregional548524

1807Cartridges for MaximNEERC 2010 Eastern Subregional2081341

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601719

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional537534

1885Passenger ComfortNEERC 2011 Eastern Subregional1317197

1886Trip 2NEERC 2011 Eastern Subregional1331831

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2271105

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional615419

1889Airport AnnouncementsNEERC 2011 Eastern Subregional960270

1890Money out of Thin AirNEERC 2011 Eastern Subregional581443

1891Language OceanNEERC 2011 Eastern Subregional426601

1892Morning in KoltsovoNEERC 2011 Eastern Subregional332766

1893A380NEERC 2011 Eastern Subregional478955

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1391757

1895Steaks on BoardNEERC 2011 Eastern Subregional1052277

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional710933

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533700

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional252890

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381575

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464163

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1224189

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732809

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1148201

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional280804

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1171836

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional378601

1990PodracingNEERC 2013 Eastern Subregional233841

1991The battle near the swampNEERC 2013 Eastern Subregional465044

1992CVSNEERC 2013 Eastern Subregional593339

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1160175

1994The Emperor's planNEERC 2013 Eastern Subregional225870

1995Illegal spicesNEERC 2013 Eastern Subregional410487

1996Cipher Message 3NEERC 2013 Eastern Subregional1921012

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional442452

1998The old PadawanNEERC 2013 Eastern Subregional668301

1999The secret moduleNEERC 2013 Eastern Subregional265677

2012About Grisha N.NEERC 2014 Eastern Subregional1056217

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional224761

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional375463

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional722243

2016Magic and ScienceNEERC 2014 Eastern Subregional176599

2017Best of a bad lotNEERC 2014 Eastern Subregional1511107

2018The Debut AlbumNEERC 2014 Eastern Subregional184396

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional762231

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1352131

2021Scarily interesting!NEERC 2014 Eastern Subregional486359

2022Riding a ToadNEERC 2014 Eastern Subregional493020

2023Donald is a postmanNEERC 2014 Eastern Subregional502635

2074Timus problems classifierQualification of Eastern Subregional 2015183738

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452588

2076VasianaQualification of Eastern Subregional 2015126471

2077ReductionsQualification of Eastern Subregional 2015175273