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Problem set. NEERC Regionals

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4400335

1054Tower of HanoiNEERC 2000 Central Subregional2311637

1055CombinationsNEERC 2000 Central Subregional3568413

1056Centers of the NetNEERC 2000 Central Subregional2704545

1057Amount of DegreesNEERC 2000 Central Subregional2083706

1058ChocolateNEERC 2000 Central Subregional5192788

1059ExpressionNEERC 2000 Central Subregional2214665

1133Fibonacci SequenceNEERC 2001 Central Subregional2197222

1134CardsNEERC 2001 Central Subregional2519194

1135RecruitsNEERC 2001 Central Subregional3034161

1136ParliamentNEERC 2001 Central Subregional494499

1137Bus RoutesNEERC 2001 Central Subregional1503324

1138Integer PercentageNEERC 2001 Central Subregional2433201

1139City BlocksNEERC 2001 Central Subregional635077

1140Swamp IncidentNEERC 2001 Central Subregional1298375

1158Censored!NEERC 2001 Northern Subregional965504

1159FenceNEERC 2001 Northern Subregional647748

1160NetworkNEERC 2001 Northern Subregional3256152

1161StripiesNEERC 2001 Northern Subregional538591

1162Currency ExchangeNEERC 2001 Northern Subregional2338209

1163ChapaevNEERC 2001 Northern Subregional1054271

1164FillwordNEERC 2001 Northern Subregional2405203

1165SubnumberNEERC 2001 Northern Subregional526916

1166Funny Card GameNEERC 2001 Northern Subregional1323542

1224SpiralNEERC 2002 Central Subregional750866

1225FlagsNEERC 2002 Central Subregional1399635

1226esreveR redrONEERC 2002 Central Subregional4396113

1227Rally ChampionshipNEERC 2002 Central Subregional1652299

1228ArrayNEERC 2002 Central Subregional4637107

1229Strong BrickworkNEERC 2002 Central Subregional1300379

1230Introspective ProgramNEERC 2002 Central Subregional649754

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2222142

1232Asteroid LandingNEERC 2002 Central Subregional2022345

1274Fractional ArithmeticNEERC 2003 Central Subregional720690

1275Knights of the Round TableNEERC 2003 Central Subregional2002397

1276TrainNEERC 2003 Central Subregional677733

1277Cops and ThievesNEERC 2003 Central Subregional626791

1278“… Connecting People”NEERC 2003 Central Subregional502983

1279WarehouseNEERC 2003 Central Subregional1185421

1280Topological SortingNEERC 2003 Central Subregional3540142

1281River BasinNEERC 2003 Central Subregional3491402

1282Game TreeNEERC 2003 Central Subregional1487336

1500Pass LicensesNEERC 2006 Eastern Subregional737634

1501Sense of BeautyNEERC 2006 Eastern Subregional1778265

1502Domino DotsNEERC 2006 Eastern Subregional644873

1503PolynomialNEERC 2006 Eastern Subregional2611749

1504Good MannersNEERC 2006 Eastern Subregional2032225

1505Oil TransferNEERC 2006 Eastern Subregional1532907

1506Columns of NumbersNEERC 2006 Eastern Subregional3343141

1507Difficult DecisionNEERC 2006 Eastern Subregional1064441

1508Japanese PuzzleNEERC 2006 Eastern Subregional2781645

1509Domino RecognitionNEERC 2006 Eastern Subregional1253510

1510OrderNEERC 2006 Eastern Subregional545787

1582BookmakersNEERC 2007 Eastern Subregional3635121

1583CheeseNEERC 2007 Eastern Subregional2241877

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3151351

1585PenguinsNEERC 2007 Eastern Subregional1157338

1586Threeprime NumbersNEERC 2007 Eastern Subregional3033144

1587Flying PigNEERC 2007 Eastern Subregional534807

1588JamaicaNEERC 2007 Eastern Subregional1352322

1589SokobanNEERC 2007 Eastern Subregional1517568

1590Bacon’s CipherNEERC 2007 Eastern Subregional2302190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051058

1592Chinese WatchesNEERC 2007 Eastern Subregional723599

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487000

1650BillionairesNEERC 2008 Eastern Subregional2098193

1651Shortest SubchainNEERC 2008 Eastern Subregional1172343

1652Banking CrisisNEERC 2008 Eastern Subregional1392725

1653Death ConveyorNEERC 2008 Eastern Subregional506766

1654Cipher MessageNEERC 2008 Eastern Subregional693658

1655Somali PiratesNEERC 2008 Eastern Subregional2061880

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1999202

1657Cube SnakeNEERC 2008 Eastern Subregional2591509

1658Sum of DigitsNEERC 2008 Eastern Subregional2039198

1659Regular TrianglesNEERC 2008 Eastern Subregional622642

1711Code NamesNEERC 2009 Eastern Subregional2879130

1712Cipher GrilleNEERC 2009 Eastern Subregional452683

1713Key SubstringsNEERC 2009 Eastern Subregional599619

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093167

1715Another Ball KillerNEERC 2009 Eastern Subregional3651005

1716Alternative SolutionNEERC 2009 Eastern Subregional487758

1717Eligibility RulesNEERC 2009 Eastern Subregional1632178

1718RejudgeNEERC 2009 Eastern Subregional1244300

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2411501

1720Summit Online JudgeNEERC 2009 Eastern Subregional376976

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional650571

1800Murphy's LawNEERC 2010 Eastern Subregional2032169

1801The Revolution CupNEERC 2010 Eastern Subregional525575

1802Cube PuzzleNEERC 2010 Eastern Subregional1562082

1803The Czechs' RiflesNEERC 2010 Eastern Subregional467725

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional867394

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional344976

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1713201

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301440

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711910

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional587579

1885Passenger ComfortNEERC 2011 Eastern Subregional1603197

1886Trip 2NEERC 2011 Eastern Subregional1442061

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2921051

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698448

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1074293

1890Money out of Thin AirNEERC 2011 Eastern Subregional695450

1891Language OceanNEERC 2011 Eastern Subregional458678

1892Morning in KoltsovoNEERC 2011 Eastern Subregional357865

1893A380NEERC 2011 Eastern Subregional552057

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2001512

1895Steaks on BoardNEERC 2011 Eastern Subregional1392131

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional882033

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional554476

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2271227

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1491830

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional574342

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1371211

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803232

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1272227

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional308915

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342020

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional407698

1990PodracingNEERC 2013 Eastern Subregional2481025

1991The battle near the swampNEERC 2013 Eastern Subregional578846

1992CVSNEERC 2013 Eastern Subregional696374

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1353194

1994The Emperor's planNEERC 2013 Eastern Subregional2471029

1995Illegal spicesNEERC 2013 Eastern Subregional444582

1996Cipher Message 3NEERC 2013 Eastern Subregional2081213

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional488531

1998The old PadawanNEERC 2013 Eastern Subregional738353

1999The secret moduleNEERC 2013 Eastern Subregional296778

2012About Grisha N.NEERC 2014 Eastern Subregional1471616

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251920

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional446527

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional825288

2016Magic and ScienceNEERC 2014 Eastern Subregional198280

2017Best of a bad lotNEERC 2014 Eastern Subregional1751298

2018The Debut AlbumNEERC 2014 Eastern Subregional2378101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional868273

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1594150

2021Scarily interesting!NEERC 2014 Eastern Subregional547431

2022Riding a ToadNEERC 2014 Eastern Subregional573584

2023Donald is a postmanNEERC 2014 Eastern Subregional643137

2074Timus problems classifierQualification of Eastern Subregional 2015207954

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015642797

2076VasianaQualification of Eastern Subregional 2015167962

2077ReductionsQualification of Eastern Subregional 2015177667
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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