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Problem set


1001Reverse Root2405316

1000A+B Problem8194517

1785Lost in LocalizationUral Regional School Programming Contest 20101482017

1293EniyaSpring School Contest 20042391518

1409Two GangstersAutumn School Contest 20052295919

2012About Grisha N.NEERC 2014 Eastern Subregional716919

1877Bicycle CodesUral Regional School Programming Contest 20111062921

2001Mathematicians and BerriesUral Regional School Programming Contest 2013640625

1264WorkdaysAutumn School Contest 20031664026

1787Turn for MEGAUral Regional School Programming Contest 2010916028

1820Ural SteaksUSU Personal Contest 2011874928

1197Lonesome KnightSpring School Contest 20021384730

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011692932

2066Simple ExpressionUral Regional School Programming Contest 2015335232

1639Chocolate 2Autumn School Contest 2008940034

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional564234

1924Four ImpsUral Regional School Programming Contest 2012531836

2023Donald is a postmanNEERC 2014 Eastern Subregional362437

2100Wedding DinnerUral FU Junior Championship 2016200838

1313Some Words about SportUral Championship 2004. Round 11123839

12091, 10, 100, 1000...Autumn School Contest 20021073940


1225FlagsNEERC 2002 Central Subregional1052441

1319HotelUral Championship 2004. Round 21035842

1567SMS-spamUSU Championship 2007857042

1581TeamworkAutumn School Contest 2007836043

1585PenguinsNEERC 2007 Eastern Subregional811044

1263ElectionsAutumn School Contest 2003933946

1991The battle near the swampNEERC 2013 Eastern Subregional345947

1100Final StandingsTetrahedron Team Online Contest May 2001844449

1327FusesAutumn School Contest 2004874850

1876Centipede's MorningUral Regional School Programming Contest 2011432651

1493One Step from HappinessAutumn School Contest 2006752853

1243Divorce of the Seven DwarfsUSU Personal Contest 2003798454

1110PowerBulgarian Online Contest September 2001756455

1349FarmSpring School Contest 2005796955

1607TaxiUSU Personal Contest 2008623256

1881Long problem statementUral Regional School Programming Contest 2011393856

1893A380NEERC 2011 Eastern Subregional395856

1545HieroglyphsUral Championship 2007664857

1496SpammerAutumn School Contest 2006688458

1196History ExamSpring School Contest 2002693761

1636Penalty TimeUSU Championship 2008533761

1837Isenbaev's NumberUral Championship 2011392361

1563BayanUSU Championship 2007572863

1925British Scientists Save the WorldUral Regional School Programming Contest 2012303663

1149Sinus Dances658964

1654Cipher MessageNEERC 2008 Eastern Subregional502764

2056ScholarshipUral Championship 2015185164

1617Flat SpotsUral Championship 2008521366

1723Sandro's BookUral Regional School Programming Contest 2009440766

2002Test TaskUral Regional School Programming Contest 2013234968

2035Another Dress RehearsalUral Regional School Programming Contest 2014193668

1025Democracy in DangerAutumn School Contest 20001848870

1224SpiralNEERC 2002 Central Subregional608470

1457Heating MainTimus Top Coders: Second Challenge601970

1083Factorials!!!Spring School Contest 20011561473

1935Tears of DrownedUral FU Championship 2012250176

2031Overturned NumbersUral Regional School Programming Contest 2014174476

1792Hamming CodeUral Regional School Programming Contest 2010330377

2005Taxi for ProgrammersUral Regional School Programming Contest 2013207577

1131CopyingUSU Championship 2001533978

1502Domino DotsNEERC 2006 Eastern Subregional512578

1638BookwormUSU Championship 2008417278

1119MetroAutumn School Contest 2001527679

1712Cipher GrilleNEERC 2009 Eastern Subregional365079

1106Two TeamsTetrahedron Team Online Contest May 2001520680

1139City BlocksNEERC 2001 Central Subregional524480

1194HandshakesSpring School Contest 2002516882

1290SabotageSpring School Contest 2004528982

2068Game of NutsUral Regional School Programming Contest 2015127882

1120Sum of Sequential NumbersAutumn School Contest 2001497184

1404Easy to Hack!Autumn School Contest 2005529584

2011Long StatementUral Regional School Programming Contest 2013191484

1146Maximum SumDSAP Vietnam Online Contest November 2001482387

1180Stone GameUSU Personal Contest 2002483687

1297PalindromeSpring School Contest 2004486390

1005Stone PileUSU Championship 19971432291

1510OrderNEERC 2006 Eastern Subregional436991

1601AntiCAPSUSU Personal Contest 2008378092

1161StripiesNEERC 2001 Northern Subregional451593

1203Scientific ConferenceUSU Local Contest. March 2002452893

1446Sorting HatUral Championship 2006450394

2025Line FightingUral Regional School Programming Contest 2014140094

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001436495

1370MagicianUral Championship 2005. Round 2465195

1009K-based NumbersUSU Championship 19971344996

16421D MazeAutumn School Contest 2008337596

1644A Whole Lot of WalnutsAutumn School Contest 2008332497

1796Amusement ParkUral Regional School Programming Contest 2010261997

1902Neo-VeniceUral Championship 2012196298

2033DevicesUral Regional School Programming Contest 2014135098

1731DillUral Regional School Programming Contest 2009291099

1118Nontrivial NumbersAutumn School Contest 20014190100

1786Sandro's BiographyUral Regional School Programming Contest 20102549100

1136ParliamentNEERC 2001 Central Subregional4137101

1296HyperjumpSpring School Contest 20044321101

1214Strange ProcedureAutumn School Contest 20024167102

2018The Debut AlbumNEERC 2014 Eastern Subregional1301102

1014Product of DigitsUSU Local Contest. 199912493103

1020RopeAutumn School Contest 200012448104

1228ArrayNEERC 2002 Central Subregional4072105

1330IntervalsAutumn School Contest 20044156106

1126Magnetic StormsUSU Championship 20013902107

1573AlchemyAutumn School Contest 20073380107

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131487107

1192Ball in a DreamSpring School Contest 20023801111

1079MaximumWinter Mathematical Festival Varna 200110195112

1353Milliard Vasya's FunctionSpring School Contest 20053947112

1777AnindilyakwaUral SU Championship 20102276112

1086CryptographySpring School Contest 20019938114

1226esreveR redrONEERC 2002 Central Subregional3721114

1082Gaby IvanushkaSpring School Contest 20019686117

1582BookmakersNEERC 2007 Eastern Subregional3077117

1219Symbolic SequenceUSU Championship 20023609118

1260Nudnik PhotographerAutumn School Contest 20033677118

1044Lucky Tickets. Easy!USU Championship 200010731119

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023439122

1123SalaryAutumn School Contest 20013407123

1283DwarfUSU Personal Contest 20043503124

1336Problem of Ben BetsalelAutumn School Contest 20043535124

1711Code NamesNEERC 2009 Eastern Subregional2333124

2102Michael and CryptographyUral FU Junior Championship 2016602125

1982Electrification PlanUral FU Championship 20131275126

1683FridgeUSU Personal Contest 20092417128

1688Team.GOV!USU Personal Contest 20092418128

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1037128

2000Grand Theft Array VUral Regional School Programming Contest 20131218131

1352Mersenne PrimesSpring School Contest 20053314133

1725Sold Out!Ural Regional School Programming Contest 20092173133

1402CocktailsAutumn School Contest 20053252136

1022Genealogical TreeAutumn School Contest 20009443137

1868Prediction ContestUral FU Championship 20111615138

1021Sacrament of the SumAutumn School Contest 20009180141

1222Chernobyl’ EaglesUSU Championship 20023026141

1740Deer is Better!USU Championship 20092019142

1167Bicolored HorsesRomanian Online Contest December 20012930143

1612Tram ForumUral Championship 20082387144

1576Telephone TariffsAutumn School Contest 20072497145

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101758145

1964Chinese DialectsUral FU Personal Contest 20131177145

1178Akbardin’s RoadsUSU Personal Contest 20022881146

1572Yekaterinozavodsk Great WellAutumn School Contest 20072478146

1931Excellent TeamUral FU Championship 20121296146

1026Questions and AnswersAutumn School Contest 20008767147

1084Goat in the GardenSpring School Contest 20017751147

1142RelationsDSAP Vietnam Online Contest November 20012849147

1864Get-Together at Den'sUral FU Championship 20111478150

1210Kind SpiritsAutumn School Contest 20022804152

1821BiathlonUSU Personal Contest 20111569153

1306Sequence MedianUral Championship 19982832154

1073Square CountryUSU Personal Contest 20017469155

2069Hard RockUral Regional School Programming Contest 2015672155

1354Palindrome. Again PalindromeSpring School Contest 20052822156

1280Topological SortingNEERC 2003 Central Subregional2763157

1295Crazy NotionsSpring School Contest 20042762157

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2008157

1709Penguin-AviaUral Championship 20091958157

1017StaircasesUSU Local Contest. 19998180158

1586Threeprime NumbersNEERC 2007 Eastern Subregional2257159

1984Dummy GuyUral FU Championship 20131007160

1272Non-Yekaterinburg SubwayUSU Championship 20032687161

1756One and a Half DiggersUSU Personal Contest 20101700161

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1393161

2073Log FilesUral Regional School Programming Contest 2015647161

1135RecruitsNEERC 2001 Central Subregional2552164

1613For Fans of StatisticsUral Championship 20082090164

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional976164

1506Columns of NumbersNEERC 2006 Eastern Subregional2422165

1157Young TilerUral Championship 2001. Round 22519166

1874Football GoalUral Regional School Programming Contest 20111318168

1213Cockroaches!Autumn School Contest 20022502170

1640Circle of WinterAutumn School Contest 20081880171

1012K-based Numbers. Version 27498172

1207Median on the PlaneUSU Local Contest. March 20022416174

1878Rubinchik's CubeUral Regional School Programming Contest 20111273174

1152False MirrorsUral Championship 2001. Round 22395175

1413Mars JumperUSU Championship 20052500176

1102Strange DialogTetrahedron Team Online Contest May 20012322178

1335White ThesisAutumn School Contest 20042467178

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101430178

1134CardsNEERC 2001 Central Subregional2340179

1193Queue at the ExamSpring School Contest 20022345179

2091Natural SelectionUral FU Personal Contest 2014471179

1685OrthographyUSU Personal Contest 20091725180

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1060180

1930Ivan's CarUral Regional School Programming Contest 20121053180

1494MonobilliardsAutumn School Contest 20062195182

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091576182

1769Old Ural LegendUral Championship 20101484183

1800Murphy's LawNEERC 2010 Eastern Subregional1377183

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015568183

1133Fibonacci SequenceNEERC 2001 Central Subregional2265184

1048Superlong SumsUSU Local Contest. March 20006755186

1423String TaleTimus Top Coders: First Challenge2299186

1789Searching for the DodecahedronUral Regional School Programming Contest 20101348188

1114BoxesBulgarian Online Contest September 20012210189

1944Record of the Attack at the OrbitUral FU Personal Contest 2012969190

1208Legendary Teams ContestUSU Local Contest. March 20022198191

1645Ski RaceAutumn School Contest 20081681192

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional991192

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1658194

1348Goat in the Garden 2Spring School Contest 20052256195

1164FillwordNEERC 2001 Northern Subregional2137196

2070Interesting NumbersUral Regional School Programming Contest 2015529197

1112CoverBulgarian Online Contest September 20012100198

1885Passenger ComfortNEERC 2011 Eastern Subregional1114198

1138Integer PercentageNEERC 2001 Central Subregional2095199

1869New Year CruiseUral FU Championship 20111106200

1023ButtonsAutumn School Contest 20006344203

1680The First NonqualifyingUSU Personal Contest 20091525203

1987Nested SegmentsUral FU Championship 2013791203

2105Alice and Bob are on BikesUral FU Junior Championship 2016364204

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional646205

1635Mnemonics and PalindromesUSU Championship 20081569206

2095ScrumUral FU Personal Contest 2014408206

1490Fire CircleAutumn School Contest 20061925208

1183Brackets SequenceNEERC 20012005209

2065Different SumsUral Regional School Programming Contest 2015488213

1002Phone NumbersCentral European Olympiad in Informatics 19996046214

1249Ancient NecropolisUSU Local Contest. March 20031997214

2098Lada PrioraUral FU Personal Contest 2014389216

1515CashmasterTimus Top Coders: Third Challenge1809217

1242WerewolfUSU Personal Contest 20031954219

1491Unreal StoryAutumn School Contest 20061821220

1013K-based Numbers. Version 3611221

1333Genie Bomber 2Autumn School Contest 20041985221

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional595222

1052Rabbit HuntUSU Local Contest. March 20005646223

1737Mnemonics and Palindromes 3USU Championship 20091263226

1125HopscotchUSU Championship 20011839227

1204IdempotentsUSU Local Contest. March 20021833229

1355Bald Spot RevisitedSpring School Contest 20051924229

1590Bacon’s CipherNEERC 2007 Eastern Subregional1566229

1011ConductorsUSU Championship 19975631230

1033LabyrinthUral Championship 19995556231

1303Minimal CoverageUral Championship 19981880231

1795Husband in a ShopUral Regional School Programming Contest 20101097231

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1713235

1049Brave BalloonistsUSU Local Contest. March 20005316237

1122GameAutumn School Contest 20011755237

1205By the Underground or by Foot?USU Local Contest. March 20021775237

1150Page NumbersUral Championship 2001. Round 21739240

1191Catch the thief!Spring School Contest 20021734242

1247Check a SequenceUSU Personal Contest 20031767242

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1810244

2067Friends and BerriesUral Regional School Programming Contest 2015425244

1108HeritageBulgarian Online Contest September 20011699245

2024Adventure TimeUral Regional School Programming Contest 2014531246

1658Sum of DigitsNEERC 2008 Eastern Subregional1301247

1200Horns and HoofsUSU Local Contest. March 20021689249

1603EruditeUSU Personal Contest 20081387249

1109ConferenceBulgarian Online Contest September 20011663250

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014520253

1080Map ColoringWinter Mathematical Festival Varna 20014509254

1433DiamondsUSU Personal Contest 20061679254

1726VisitsUral Regional School Programming Contest 20091128254

1113JeepBulgarian Online Contest September 20011634255

1195Ouths and CrossesSpring School Contest 20021639256

1298KnightSpring School Contest 20041690257

1889Airport AnnouncementsNEERC 2011 Eastern Subregional857257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1484260

1826MinefieldUSU Personal Contest 2011921260

1922Superhero TeamUral Regional School Programming Contest 2012728260

1684Jack's Last WordUSU Personal Contest 20091172264

1010Discrete FunctionUSTU PhysTech Cup 20004888265

1028StarsUral Championship 19994849265

1718RejudgeNEERC 2009 Eastern Subregional1069269

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1032269

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031583270

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1488270

1741Communication FiendUSU Championship 20091054271

1117HierarchyAutumn School Contest 20011533272

2034CaravansUral Regional School Programming Contest 2014480272

1087The Time to Take StonesSpring School Contest 20014156273

1244GentlemenUSU Personal Contest 20031560273

2104Game with a StripUral FU Junior Championship 2016270273

1501Sense of BeautyNEERC 2006 Eastern Subregional1447275

1179Numbers in TextUSU Personal Contest 20021504279

1537EntsUSU Personal Contest 20071370280

1220StacksUSU Championship 20021511281

2003Simple MagicUral Regional School Programming Contest 2013561282

1521War Games 2Timus Top Coders: Third Challenge1383284

1998The old PadawanNEERC 2013 Eastern Subregional560284

1779The Great TeamUral SU Championship 2010888286

1823Ideal GasUSU Personal Contest 2011836286

1018Binary Apple TreeUSU Local Contest. 19994475288

1047Simple CalculationsUSU Local Contest. March 20004358289

1377Lara CroftUral Championship 2005. Round 11513292

1032Find a MultipleUral Championship 19993799295

1497Cutting a SquareAutumn School Contest 20061354295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest939295

1184Cable MasterNEERC 20011415296

1036Lucky Tickets4329297

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012635297

1024PermutationsAutumn School Contest 20004328298

1753BookshelfUSU Personal Contest 2010910300

1137Bus RoutesNEERC 2001 Central Subregional1374303

1551Sumo TournamentUral Championship 20071249303

1934Black SpotUral FU Championship 2012618303

1215Exactness of Projectile HitAutumn School Contest 20021393304

1153SupercomputerUral Championship 2001. Round 21366305

1450Russian PipelinesTimus Top Coders: Second Challenge1375305

1989SubpalindromesUral FU Championship 2013523305

1053PinocchioNEERC 2000 Central Subregional4086307

1190Bar of ChocolateSpring School Contest 20021356309

1124MosaicUSU Championship 20011342310

1127Colored BricksUSU Championship 20011337311

2108Oleg and Little PoniesUral FU Junior Championship 2016236311

1604Country of FoolsUSU Personal Contest 20081104312

1981Parallel and PerpendicularUral FU Championship 2013509313

1227Rally ChampionshipNEERC 2002 Central Subregional1351314

1933Guns for Battle!Ural FU Championship 2012596314

1116Piecewise Constant FunctionAutumn School Contest 20011320315

1517Freedom of ChoiceTimus Top Coders: Third Challenge1245315

1294Mars SatellitesSpring School Contest 20041368317

1320Graph DecompositionUral Championship 2004. Round 21363318

1160NetworkNEERC 2001 Northern Subregional1327320

1346Intervals of MonotonicityUSU Championship 20041371320

1588JamaicaNEERC 2007 Eastern Subregional1120320

1185WallNEERC 20011306321

2021Scarily interesting!NEERC 2014 Eastern Subregional407322

1211Collective GuaranteeAutumn School Contest 20021309323

1992CVSNEERC 2013 Eastern Subregional490324

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional770326

1302Delta-waveUral Championship 19981316329

1121BranchesAutumn School Contest 20011259330

1223Chernobyl’ Eagle on a RoofUSU Championship 20021283330

1218Episode N-th: The Jedi TournamentUSU Championship 20021277332

1008Image EncodingUSTU PhysTech Cup 20003860335

1029MinistryUral Championship 19993347335

1793Tray 2Ural Regional School Programming Contest 2010754335

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1140337

1156Two RoundsUral Championship 2001. Round 21234338

1406Next NumberAutumn School Contest 20051301339

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest898342

1941Scary Martian WordUral FU Personal Contest 2012533342

1201Which Day Is It?USU Local Contest. March 20021220343

2062Ambitious ExperimentUral Regional School Programming Contest 2015298344

1282Game TreeNEERC 2003 Central Subregional1250345

1246Tethered DogUSU Personal Contest 20031229347

1261TipsAutumn School Contest 20031239347

1651Shortest SubchainNEERC 2008 Eastern Subregional922347

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest795348

2046The First Day at SchoolUral Championship 2015331348

1495One-two, One-two 2Autumn School Contest 20061142349

1431DiplomasUSU Personal Contest 20061214350

1060Flip GameNEERC 20003388351

1648YachtsAutumn School Contest 2008913351

1090In the Army NowUSU Local Contest. March 20013044354

2063Black and WhiteUral Regional School Programming Contest 2015289354

1356Something EasierSpring School Contest 20051225358

1031Railway TicketsUral Championship 19993574359

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014358362

1140Swamp IncidentNEERC 2001 Central Subregional1143364

1574Mathematicians and bracketsAutumn School Contest 2007987364

1292Mars Space StationsSpring School Contest 20041185365

1904The Lessons of the PastUral Championship 2012518365

1403CourierAutumn School Contest 20051203366

1483Table FootballUSU Championship 20061091366

1262Pseudo-Roman NumberAutumn School Contest 20031172367

1078SegmentsWinter Mathematical Festival Varna 20013098369

1141RSA Attack1126370

1176HyperchannelsUSU Personal Contest 20021130370

1007Code WordsUSU Championship 19973481372

1427SMSTimus Top Coders: First Challenge1133377

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest586378

1039Anniversary PartyUSU Championship 20003359379

2078Bowling gameUral Championship 2016223381

1287Mars CanalsUSU Personal Contest 20041128383

1229Strong BrickworkNEERC 2002 Central Subregional1103384

1873GOV ChroniclesUral Regional School Programming Contest 2011570384

1003ParityCentral European Olympiad in Informatics 19993366385

1055CombinationsNEERC 2000 Central Subregional3242387

1259How to Become Star?Autumn School Contest 20031111387

1828Approximation by a ProgressionUSU Personal Contest 2011613388

2047MathsUral Championship 2015295389

1289One Way TicketUSU Personal Contest 20041108390

1407One-two, One-twoAutumn School Contest 20051128391

1350CanteenSpring School Contest 20051120392

1343Fairy TaleUSU Championship 20041115393

1489Points on a ParallelepipedAutumn School Contest 20061006396

1901Space ElevatorsUral Championship 2012477396

1783Nuclear Arms RaceUral SU Championship 2010636397

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional550397

1111SquaresBulgarian Online Contest September 20011042398

1513Lemon TaleTimus Top Coders: Third Challenge984398

1759Long-LiversUSU Personal Contest 2010681399

2026Dean and ScheduleUral Regional School Programming Contest 2014324399

1115ShipsBulgarian Online Contest September 20011037400

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional395400

2030Awesome Backup SystemUral Regional School Programming Contest 2014323400

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011031403

1562GM-pineappleUSU Championship 2007890404

1217Unlucky TicketsUSU Championship 20021045405

2109Tourism on MarsUral FU Junior Championship 2016179405

1077Travelling Tours1017408

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest771408

1221Malevich Strikes Back!USU Championship 20021031410

1252Sorting the TombstonesUSU Local Contest. March 20031038410

1291Gear-wheelsSpring School Contest 20041051411

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest877411

1107Warehouse ProblemTetrahedron Team Online Contest May 2001998413

1279WarehouseNEERC 2003 Central Subregional1040413

1631Drunk King 2USU Championship 2008778413

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional315413

1015Test the Difference!USU Local Contest. 19993117414

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest534414

1963KiteUral FU Personal Contest 2013405415

1602ElevatorUSU Personal Contest 2008826416

1094E-screenUSU Local Contest. March 20012571419

1923Scary PoliticsUral Regional School Programming Contest 2012447419

1732Ministry of TruthUSU Championship 2009675420

1128Partition into GroupsUSU Championship 2001985421

1774Barber of the Army of MagesUral SU Championship 2010599421

1410CrackUSU Championship 20051037423

1507Difficult DecisionNEERC 2006 Eastern Subregional938423

1519Formula 1Timus Top Coders: Third Challenge922424

1416ConfidentialUSU Championship 20051032425

1571InterpretersUSU Championship 2007845425

1776Anniversary FireworkUral SU Championship 2010583432

1995Illegal spicesNEERC 2013 Eastern Subregional363434

1258PoolAutumn School Contest 2003988435

1480CouponsUSU Championship 2006916435

1019Line PaintingUSU Local Contest. 19992954436

1181Cutting a Painted PolygonUSU Personal Contest 2002956437

1038Spell CheckerUSU Championship 20002904438

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest290439

1700AwakeningUral Championship 2009691440

1089Verification with a VocabularySpring School Contest 20012559443

1202Rectangles TravelUSU Local Contest. March 2002944443

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection379444

1238FoldingNEERC 2002953445

1155TroubleduonsUral Championship 2001. Round 2928448

1890Money out of Thin AirNEERC 2011 Eastern Subregional486448

1900Brainwashing DeviceUral Championship 2012419449

1129Door PaintingUSU Championship 2001922450

1316Electronic AuctionUral Championship 2004. Round 1950455

1326Bottle TapsUral Championship 2004. Round 2950455

1628White StreaksUSU Championship 2008705455

1643Attack of the Dark FortressAutumn School Contest 2008697458

2071Juice CocktailsUral Regional School Programming Contest 2015221459

1641DutiesAutumn School Contest 2008694460

1162Currency ExchangeNEERC 2001 Northern Subregional895464

1401GamersAutumn School Contest 2005939468

1535The Hobbit or There and Back AgainUSU Personal Contest 2007815469

1430Crime and PunishmentTimus Top Coders: First Challenge903471

1329Galactic HistoryAutumn School Contest 2004922472

2081Faulty dialUral Championship 2016178472

2099Space InvaderUral FU Personal Contest 2014172474

1273TieUSU Championship 2003903475

1322SpyUral Championship 2004. Round 2910475

1577E-mailAutumn School Contest 2007752476

1051Simple Game on a GridUSU Local Contest. March 20002630478

1728Curse on Team.GOVUral Regional School Programming Contest 2009595478

1414Astronomical DatabaseUSU Championship 2005911481

1072RoutingUSU Personal Contest 20012390483

1428Jedi RiddleTimus Top Coders: First Challenge879484

1189Pairs of IntegersNEERC 2001861485

1525PathPetrozavodsk Winter 2007. D.Gozman Contest787487

1236Decoding TaskNEERC 2002867488

1942Attack at the OrbitUral FU Personal Contest 2012369490

1091Tmutarakan ExamsUSU Local Contest. March 20012186492

1579Coat TransportationAutumn School Contest 2007725493

1103Pencils and CirclesTetrahedron Team Online Contest May 2001828497

1212BattleshipAutumn School Contest 2002843500

1439Battle with You-Know-WhoUral Championship 2006839501

1158Censored!NEERC 2001 Northern Subregional827502

1650BillionairesNEERC 2008 Eastern Subregional634502

1362Classmates 2Ural Championship 2005. Round 2871503

1182Team Them Up!NEERC 2001825505

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014254505

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional491508


1045Funny GameUSU Local Contest. March 20002445514

1314Chase in SubwayUral Championship 2004. Round 1832519

1437Gasoline StationUSU Personal Contest 2006811522

1056Computer NetNEERC 2000 Central Subregional2396523

1334CheckersAutumn School Contest 2004831523

1069Prufer CodeUSU Personal Contest 20012204524

1971Graphics SettingsUral Championship 2013312524

1366PresentsUral Championship 2005. Round 2832526

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional541526

1066GarlandNEERC 20002244529

1465Pawn GamePetrozavodsk Winter 2006. USU Contest761531

1600AirportUSU Personal Contest 2008644532

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional351532

1095Nikifor 3USU Local Contest. March 20012014534

1980Road to InvestorUral Championship 2013304537

1400Cellular CharactersAutumn School Contest 2005808543

1729Dead Man's ChestUral Regional School Programming Contest 2009521545

1884Way to the UniversityUral Regional School Programming Contest 2011398547

1101Robot in the FieldTetrahedron Team Online Contest May 2001749548


1351Good Gnusmas – Dead GnusmasSpring School Contest 2005797548

1534Football in GondorUSU Personal Contest 2007693550

1891Language OceanNEERC 2011 Eastern Subregional394550

1870Zinium 2Ural FU Championship 2011396551

1871Seismic WavesUral FU Championship 2011396551

1421Credit OperationsTimus Top Coders: First Challenge764556

1004Sightseeing TripCentral European Olympiad in Informatics 19992318558

1682Crazy ProfessorUSU Personal Contest 2009546560

1143Electric PathDSAP Vietnam Online Contest November 2001739561

1754Explosion in a PyramidUSU Personal Contest 2010481561

1375Bill CleversUral Championship 2005. Round 1781562

1448Lighting in HogwartsUral Championship 2006746563

1067Disk TreeNEERC 20002104564

1172Ship RoutesRomanian Online Contest December 2001733566

1027D++ AgainAutumn School Contest 20002265568

1605Devil's SequenceUSU Personal Contest 2008600570

2060Subpalindrome pairsPalindromic Contest 189570

1325DirtUral Championship 2004. Round 2750575

1358CablesSpring School Contest 2005758576

1085MeetingSpring School Contest 20011956578

2004Scientists from SpilkovoUral Regional School Programming Contest 2013268578

1698Square Country 5Petrozavodsk Winter 2009. USU Contest523582

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014219582

1710Boris, You Are Wrong!Ural Championship 2009517585

1713Key SubstringsNEERC 2009 Eastern Subregional485586

1071Nikifor 2USU Personal Contest 20011966587

2080WalletUral Championship 2016141588

1592Chinese WatchesNEERC 2007 Eastern Subregional603589

1064Binary SearchNEERC 20002009591

1550Dean's Pyramid 3Ural Championship 2007635591

1822Hugo II's WarUSU Personal Contest 2011399592

1061Buffer ManagerNEERC 20001995595

1445Christmas giftsUral Championship 2006704596

2048HistoryUral Championship 2015189596

1371Cargo AgencyUral Championship 2005. Round 1734597

1701Ostap and PartnersUral Championship 2009506597

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014213597

1760Infernal WorkUSU Personal Contest 2010449600

1966Cycling RoadsUral FU Personal Contest 2013276601

1806Mobile TelegraphsNEERC 2010 Eastern Subregional409607

1659Regular TrianglesNEERC 2008 Eastern Subregional520610

1070Local TimeUSU Personal Contest 20011886612

1059ExpressionNEERC 2000 Central Subregional2040614

1803The Czechs' RiflesNEERC 2010 Eastern Subregional404615

1706Cipher Message 2Ural Championship 2009490616

1309DisputeUral Championship 2004. Round 1697618

1690Army of MagesPetrozavodsk Winter 2009. USU Contest492618

1928Another Ecology ProblemUral Regional School Programming Contest 2012300618

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest203618

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest579619

2074Timus problems classifierQualification of eastern subregional contest 2015146619

2009Canteen LineUral Regional School Programming Contest 2013249621

1767The House of Doctor DeeUral Championship 2010428623

1838Samurai's StrokeUral Championship 2011371625

2064CaterpillarsUral Regional School Programming Contest 2015158631

1962In Chinese RestaurantUral FU Personal Contest 2013262632

1332Genie BomberAutumn School Contest 2004685633

1500Pass LicensesNEERC 2006 Eastern Subregional619637

2106DeserializationUral FU Junior Championship 2016110637

1452Pascal vs. C++Timus Top Coders: Second Challenge651639

2089Experienced coachUral Championship 2016128643

1054Hanoi TowerNEERC 2000 Central Subregional1938646

1248Sequence SumUSU Personal Contest 2003654647

1132Square Root635650

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest499650

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009434652

1939First SealUral FU Championship 2012282652


1254Die HardUSU Local Contest. March 2003648653

1542AutocompletionUral Championship 2007570657

1443RailsUral Championship 2006635659

1866Poetic FootUral FU Championship 2011329660

1234BricksNEERC 2002635663

1564Counting OnesUSU Championship 2007538663

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest660664

1174Weird PermutationsRomanian Online Contest December 2001622665

1253NecrologuesUSU Local Contest. March 2003636665

1186Chemical ReactionsNEERC 2001622668

1096Get the Right Route Plate!USU Local Contest. March 20011598672

1606SlalomUSU Personal Contest 2008508672

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest598673

1274Fractional ArithmeticNEERC 2003 Central Subregional629679

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest321681

1286Starship TravelUSU Personal Contest 2004630682

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional187682

1088Ilya MurometzSpring School Contest 20011637690

1440Training ScheduleUral Championship 2006606690

1892Morning in KoltsovoNEERC 2011 Eastern Subregional310695

1484Film RatingUSU Championship 2006567698

1633HippogriffsUSU Championship 2008456698

1772Ski-Trails for RobotsUral Championship 2010381698

1168Radio StationsRomanian Online Contest December 2001588703

1057Amount of DegreesNEERC 2000 Central Subregional1776705

1903Unidentified ShipsUral Championship 2012263706

1611DecimationUral Championship 2008478707

1250Sea BurialUSU Local Contest. March 2003596709

1305Convex HullUral Championship 1998600716

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest554717

1872Spacious OfficeUral FU Championship 2011302717

1961Cantonese DialectUral FU Personal Contest 2013230717

1230Introspective ProgramNEERC 2002 Central Subregional584719

1990PodracingNEERC 2013 Eastern Subregional215719

1940Not So Simple YearsUral FU Championship 2012254721

1773Metro to Every HomeUral Championship 2010368722

1159FenceNEERC 2001 Northern Subregional571723

1943Space RummyUral FU Personal Contest 2012247723

1169PairsRomanian Online Contest December 2001570725

1755CakeUSU Personal Contest 2010369727

1405Goat in the Garden 5Autumn School Contest 2005600729

2092BoleroUral FU Personal Contest 2014108731

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional252733

1301Cube in LabyrinthUral Championship 1998581739

1593Square Country. Version 2413742

1034Queens in Peaceful PositionsUral Championship 19991722743

1037Memory ManagementUSU Championship 20001703745

1379Cups TransportationUral Championship 2005. Round 1585747

1424MinibusTimus Top Coders: First Challenge566747

1716Alternative SolutionNEERC 2009 Eastern Subregional378747

1629TripUSU Championship 2008425748

1235Cricket FieldNEERC 2002557754

1780Gray CodeUral SU Championship 2010328759

1932The Secret of IdentifierUral FU Championship 2012241759

1016Cube on the WalkUSU Local Contest. 19991680765

1775Space BowlingUral SU Championship 2010325765

2110Remove or MaximizeUral FU Junior Championship 201690765

1392Dreaming of Stars570767

1614National Project “Trams”Ural Championship 2008438770

1825Ifrit Bomber 2USU Personal Contest 2011303773

2008SwiftyUral Regional School Programming Contest 2013198773

1456Jedi Riddle 2Timus Top Coders: Second Challenge534776

1832Arirang ShowUral Championship 2011297776

1830Help in the RNOSUral Championship 2011296779

1268Little ChuUSU Championship 2003546780

1486Equal SquaresUSU Championship 2006504784

1646Godzilla Strikes Back!Autumn School Contest 2008403784

1647Divide an Island!Autumn School Contest 2008400790

1994The Emperor's planNEERC 2013 Eastern Subregional195790

1276TrainNEERC 2003 Central Subregional538792

1512ZiniumTimus Top Coders: Third Challenge487795

1042Central HeatingUSU Championship 20001592797

1587Flying PigNEERC 2007 Eastern Subregional441801

1277Cops and ThievesNEERC 2003 Central Subregional531803

1269Obscene Words FilterUSU Championship 2003525811

1147Shaping RegionsDSAP Vietnam Online Contest November 2001507812

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest439812

1323ClassmatesUral Championship 2004. Round 2527814

1105Observers ColoringTetrahedron Team Online Contest May 2001500816

1689Fisherman and BarbellUSU Personal Contest 2009372816

1342EnterpriseUSU Championship 2004531817

1875Angry BirdsUral Regional School Programming Contest 2011263817

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional225818

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012224819

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection199826

1030TitanicUral Championship 19991547827

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional297829

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest474836

1705Gangster HaresUral Championship 2009356842

1986Paul’s SaladsUral FU Championship 2013183842

1547Password SearchUral Championship 2007442844

1436BillboardUSU Personal Contest 2006497846

1165SubnumberNEERC 2001 Northern Subregional484851

1738Computer SecurityUSU Championship 2009327854

1373Pictura ex MachinaUral Championship 2005. Round 1510855

1720Summit Online JudgeNEERC 2009 Eastern Subregional327861

1578Mammoth HuntAutumn School Contest 2007410863

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest459873

1988Planet Ocean LandingUral FU Championship 2013176873

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest345874

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest432878

1974Similar TunesUral Championship 2013182878

1498Stroke at Full SpeedAutumn School Contest 2006447880

1154Mages ContestUral Championship 2001. Round 2467881

1580Dean's DebtsAutumn School Contest 2007401882

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest139883

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest306887

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest267889

1996Cipher Message 3NEERC 2013 Eastern Subregional172889

1006Square FramesUSU Championship 19971444892

1715Another Ball KillerNEERC 2009 Eastern Subregional312901

1422FirefliesTimus Top Coders: First Challenge465906

1324Extra SpacesUral Championship 2004. Round 2468914

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest296916

1927Herbs and MagicUral Regional School Programming Contest 2012199917

1233Amusing NumbersNEERC 2002454922

1630TalismanUSU Championship 2008343922

1245PicturesUSU Personal Contest 2003455923

1175Strange SequenceUSU Personal Contest 2002445927

1237Evacuation PlanNEERC 2002452927

1575Yekaterinburg Subway 2Autumn School Contest 2007381927

1608Lucky Tickets 2008Ural Championship 2008362927

1824Ifrit BomberUSU Personal Contest 2011250931

1905Travel in TimeUral Championship 2012196936

1339BabiesUSU Championship 2004460941

1364LaraKillerUral Championship 2005. Round 2461941

1936RoshamboUral FU Championship 2012192943

1970皇后像廣場Ural FU Personal Contest 2013172945

1398Bishop and Pawn402955

2103Corporate MailUral FU Junior Championship 201670956

1278“… Connecting People”NEERC 2003 Central Subregional443958

1418Military StoryUSU Championship 2005450963

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest331970

1761Binary PalindromeUSU Personal Contest 2010274970

1040Airline CompanyUSU Championship 20001296977

1130Nikifor's WalkUSU Championship 2001419977

2017Best of a bad lotNEERC 2014 Eastern Subregional127980

1435Financial ErrorUSU Personal Contest 2006427981

1591Abstract ThinkingNEERC 2007 Eastern Subregional358981

1965Pear TreesUral FU Personal Contest 2013165983

1331VladislavaAutumn School Contest 2004437985

1451Beerhouse TaleTimus Top Coders: Second Challenge418986

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest360986

1921Chaos and OrderUral Regional School Programming Contest 2012183993

1948The Robot on the LineUral FU Personal Contest 2012177993

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest308995

1827Indigenous WarsUSU Personal Contest 2011233996

1836Babel FishUral Championship 2011229997

1863Peaceful AtomUral FU Championship 2011214998

1730ManBearPigUral Regional School Programming Contest 20092791001

2052Physical EducationUral Championship 20151071014

1937Davy Jones’s OrganUral FU Championship 20121771018

1539Intelligence DataUSU Personal Contest 20073681023

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3891026

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014741026

1784RoundersUral SU Championship 20102391030

1976Game OptimizationUral Championship 20131531035

1768Circular StringsUral Championship 20102531038

1173Lazy SnailRomanian Online Contest December 20013941041

1907Coffee and BunsUral Championship 20121751042

1570Eating HighUSU Championship 20073381044

1949The Best Picture in the GalaxyUral FU Personal Contest 20121671050

1151RadiobeaconsUral Championship 2001. Round 23901051

1518Jedi Riddle 3Timus Top Coders: Third Challenge3651054

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2841055

1434Buses in VasyukiUSU Personal Contest 20063961056

1883Ent's BirthdayUral Regional School Programming Contest 20112011057

1444ElephpotamusUral Championship 20063921058

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2031058

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2001059

1627JoinPetrozavodsk Winter 2008. ITMO Contest3011064

1569Networking the “Iset”USU Championship 20073311065

1317HailUral Championship 2004. Round 23951079

1979Resources DistributionUral Championship 20131461081

1687Numismatics for FunUSU Personal Contest 20092771085

1447Portkey NetworkUral Championship 20063791093

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1101096

1595Perfect Sequence2651100

1341DeviceUSU Championship 20043911103

1540Battle for the RingUSU Personal Contest 20073371114

1896War Games 2.1721117

1533Fat HobbitsUSU Personal Contest 20073341124

2059Not common palindromesPalindromic Contest 901134

1862Very Wealthy MoleUral FU Championship 20111871135

1790Searching for the TruthUral Regional School Programming Contest 20102141142

1736Chinese HockeyUSU Championship 20092421143

1722Observation DeckUral Regional School Programming Contest 20092431144

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102131147

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2341148

1511Fiscal OperationsTimus Top Coders: Third Challenge3341149

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3401155

1879GOV-internship 2Ural Regional School Programming Contest 20111831155

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3381162

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3721164

1983Nectar GatheringUral FU Championship 20131291169

1408Polynomial MultiplicationAutumn School Contest 20053701170

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2621171

1357Teakettle 1.0 for DummiesSpring School Contest 20053671174

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1821174

1544Classmates 3Ural Championship 20073121184

1458War GamesTimus Top Coders: Second Challenge3451189

1393Average Common Prefix3591192

1968Glass PyramidUral FU Personal Contest 20131341195

2055Urban GeographyUral Championship 2015891198

1099Work Scheduling8021205

1453QueenTimus Top Coders: Second Challenge3401206

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2881212

1310ACM DiagnosticsUral Championship 2004. Round 13501214

1538Towers of GuardUSU Personal Contest 20073081216

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2201218

1546Japanese SortingUral Championship 20073021222

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3241225

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1911225

1359ConstructionSpring School Contest 20053491233

1307ArchiverUral Championship 2004. Round 13401249

1766Humpty DumptyUral Championship 20102081252

1669Universal WordPetrozavodsk Winter 2008. USU Contest2401274

1487Chinese FootballUSU Championship 20063061275

1035Cross-stitchUral Championship 19999911284

1441From the History of Gringotts BankUral Championship 20063201289

1807Cartridges for MaximNEERC 2010 Eastern Subregional1871292

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2721294

1321Floor IndicatorUral Championship 2004. Round 23261301

1171Lost in SpaceRomanian Online Contest December 20013131302

1657Cube SnakeNEERC 2008 Eastern Subregional2381303

1177Like ComparisonsUSU Personal Contest 20023131306

1360Philosophical DisputeUral Championship 2005. Round 23291307

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2101318

2101Knight's ShieldUral FU Junior Championship 2016481319

1686Photovoltaic SpaceshipUSU Personal Contest 20092261320

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1611321

1947MeanderUral FU Personal Contest 20121301327

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2821329

1328FireballAutumn School Contest 20043191338

2007Mutants versus MachinesUral Regional School Programming Contest 20131101340

1050Preparing an ArticleUSU Local Contest. March 20009251349

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1721353

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1321353

1419Maps of the Island WorldsUSU Championship 20053171354

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2761357

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1561358

1065FrontierNEERC 20008671360

1281River BasinNEERC 2003 Central Subregional3091361

2107Oppa Funcan StyleUral FU Junior Championship 2016461366

2097Snowboarding on SpilnayaUral FU Personal Contest 2014531368

1097Square Country 2USU Local Contest. March 20017791370

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2731371

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2311373

1345HTMLUSU Championship 20043091386

1311Stable ConstructionUral Championship 2004. Round 13051387

1318LogarithmUral Championship 2004. Round 23051387

1499KerchiefsAutumn School Contest 20062781396

1946Chinese Hockey 3Ural FU Personal Contest 20121231397

1449Credit Operations 2Timus Top Coders: Second Challenge2891412

1985Prime SquareUral FU Championship 20131051412

1347BlogSpring School Contest 20053031414

1240Heroes of Might and MagicNEERC 20022911421

1266Kirchhoff's LawUSU Championship 20032881456

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1081463

1299PsyloniansSpring School Contest 20042881465

1170DesertRomanian Online Contest December 20012761470

1762Search for a Hiding-PlaceUSU Personal Contest 20101771474

1265MirrorUSU Championship 20032841476

1412Autumn TideUSU Championship 20052871491

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2611492

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1771498

1251Cemetery ManagerUSU Local Contest. March 20032731518

2085Magic ProgrammerUral Championship 2016481530

1568Train Car SortingUSU Championship 20072271533

1770The Party of Ural ChampionsUral Championship 20101681533

1950Martian FarmlandsUral FU Personal Contest 20121111535

1043Cover an ArcUSU Championship 20008141549

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1011555

1488ACM PokerUSU Championship 20062491556

1337BureaucracyAutumn School Contest 20042711566

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2711582

1241Inlay CuttersNEERC 20022591592

1378Artificial IntelligenceUral Championship 2005. Round 12691593

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1881598

1565The Duel for ThreeUSU Championship 20072171601

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1481611

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest711624

1485Football and LieUSU Championship 20062381625

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2141629

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1841630

1670AsteriskPetrozavodsk Summer 2008. USU Contest1831639

1802Cube PuzzleNEERC 2010 Eastern Subregional1441652

1764TranssibUral Championship 20101551654

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1061656

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1241660

1508Japanese PuzzleNEERC 2006 Eastern Subregional2311662

2058100500 palidnromesPalindromic Contest 581667

1257HyphenationAutumn School Contest 20032501668

1886Trip 2NEERC 2011 Eastern Subregional1231672

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1791674

1908Brute-force SearchUral Championship 20121041691

1420Integer-Valued Complex DivisionUSU Championship 20052511697

1782Jack's New WordUral SU Championship 20101381732

1516NostalgiaTimus Top Coders: Third Challenge2181733

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2251742

1583CheeseNEERC 2007 Eastern Subregional1971744

1338AutomobilesUSU Championship 20042431747

1503PolynomialNEERC 2006 Eastern Subregional2181757

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1301759

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1491762

1062TriathlonNEERC 20006641769

1425Queen 2Timus Top Coders: First Challenge2331771

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1681777

1707Hypnotoad's SecretUral Championship 20091621791

1610CactusesUral Championship 20081821797

1046Geometrical DreamsUSU Local Contest. March 20006871809

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012211818

1734Endgame DatabaseUSU Championship 20091481822

1615Tram SolitaireUral Championship 20081791826

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2001848

1514National ParkTimus Top Coders: Third Challenge2031855

1417Space Poker 2USU Championship 20052281861

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1611862

1304ParallelepipedUral Championship 19982231874

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection821876

1492Vasya's Dad 2Autumn School Contest 20062041879

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest601880

1397Points Game2051882

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2251892

1093DartsUSU Local Contest. March 20015601897

1163ChapaevNEERC 2001 Northern Subregional2111902

1781Clean CodeUral SU Championship 20101241913

20503D-modelingUral Championship 2015521913

1532Lost in TranslationUSU Personal Contest 20071921914

1841CablewaysPetrozavodsk Summer 2010. USU Contest1081915

1148Building TowersDSAP Vietnam Online Contest November 20012081926

1702CrossroadUral Championship 20091501926

1757Gold BarsUSU Personal Contest 20101331927

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1351932

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1521965

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1041982

1267Yekaterinburg SubwayUSU Championship 20032081990

1455Freedom of SpeechTimus Top Coders: Second Challenge2021991

1216Two Pawns and One KingUSU Championship 20022041995

1187Statistical TroubleNEERC 20012012001

1703Robotic ArmUral Championship 20091442001

1831Tsyfirkin's LessonUral Championship 20111092002

1285Thread in a HyperspaceUSU Personal Contest 20042072010

1315MDPAR and MIIARUral Championship 2004. Round 12062023

1977Energy WallUral Championship 2013732032

1541ChaseUSU Personal Contest 20071802035

1655Somali PiratesNEERC 2008 Eastern Subregional1482046

1396Maximum. Version 21952049

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1002049

1074Very Short ProblemUSU Personal Contest 20015522063

1041NikiforUSU Championship 20006072068

1063Domino PuzzleNEERC 20005602090

1188LibraryNEERC 20011922090

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1942093

1634Spider MiteUSU Championship 20081452099

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1062123

1839The MentaculusUral Championship 20111022127

1543Dance RevolutionUral Championship 20071662166

1969Hong Kong TramUral FU Personal Contest 2013692177

1288AstrolocationUSU Personal Contest 20041902181

1549Another Japanese PuzzleUral Championship 20071642191

1232Asteroid LandingNEERC 2002 Central Subregional1842201

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21882237

1504Good MannersNEERC 2006 Eastern Subregional1692238

1092TransversalUSU Local Contest. March 20014722243

1978E-LiteUral Championship 2013652248

1256Cemetery GuardUSU Local Contest. March 20031812249

1284Space PokerUSU Personal Contest 20041802296

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015322299

1739FaryuksUSU Championship 20091152303

1481Winning ChancesUSU Championship 20061632329

2096All InclusiveUral FU Personal Contest 2014272330

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest462349

1270UnicubeUSU Championship 20031732371

1867NanotechnologiesUral FU Championship 2011842379

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest932391

1895Steaks on BoardNEERC 2011 Eastern Subregional832391

1717Eligibility RulesNEERC 2009 Eastern Subregional1112397

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional702402

1368Goat in the Garden 3Ural Championship 2005. Round 21742408

1075Thread in a SpaceUSU Personal Contest 20014542499

1599Winding Number332504

1758Bald Spot Revisited 2USU Personal Contest 20101002505

1652Banking CrisisNEERC 2008 Eastern Subregional1192506

1833Hopes of RowingUral Championship 2011852508

1850Space TourismPetrozavodsk Summer 2010. USU Contest792539

1972Game TestingUral Championship 2013562555

1945Many-armed BrothersUral FU Personal Contest 2012622580

2022Riding a ToadNEERC 2014 Eastern Subregional422582

1882Old NokiaUral Regional School Programming Contest 2011762593

1275Knights of the Round TableNEERC 2003 Central Subregional1572600

1395Pascal vs. C++. Version 21522602

1454Rectangles 2Timus Top Coders: Second Challenge1522606

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1092606

1609Tram TileUral Championship 20081222614

1300TaxesUral Championship 19981572615

1520Empire Strikes BackTimus Top Coders: Third Challenge1412617

1835Swamp DoctorUral Championship 2011812618

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1112631

1735Theft of the CenturyUSU Championship 2009992642

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1262682

1308Dean's PyramidUral Championship 2004. Round 11522698

1829Routing TablesUSU Personal Contest 2011792719

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962736

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest802736

1312TrayUral Championship 2004. Round 11462801

1704DemodulationUral Championship 20091002801

2053BiologyUral Championship 2015322824

1239Ghost BustersNEERC 20021412832

1464LightPetrozavodsk Winter 2006. USU Contest1342842

1058ChocolateNEERC 2000 Central Subregional4302854

1637Triangle Game 2USU Championship 20081032879

1505Oil TransferNEERC 2006 Eastern Subregional1292882

1865The Island of MärketUral FU Championship 2011672904

1566Triangular PostcardsUSU Championship 20071152907

1429BiscuitsTimus Top Coders: First Challenge1382908

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1292909

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest672927

2083The Guardian of TraditionsUral Championship 2016202959

1482Triangle GameUSU Championship 20061262963

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection482976

2006Kirill the GardenerUral Regional School Programming Contest 2013442977

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest942982

141140 Islands KnightsUSU Championship 20051363033

2051PhysicsUral Championship 2015293041

1367Top SecretUral Championship 2005. Round 21343077

1438Time Limit ExceededUSU Personal Contest 20061293084

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest903102

1798Fire Circle. Version 2263103

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest803113

1681Brother Bear's GardenUSU Personal Contest 2009903115

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection453138

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1203148

1442Floo PowderUral Championship 20061253150

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional513150

2084Technical debtUral Championship 2016183171

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest613182

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest603220

2061OEIS A216264Palindromic Contest 253239

1622EndspielPetrozavodsk Winter 2008. ITMO Contest923243

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest923243

1975Model of the EarthUral Championship 2013423243

2079Memory leaksUral Championship 2016173288

2090Crossroads of DestinyUral FU Personal Contest 2014163315

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection423319

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest573364

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest293374

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest623420

2057Non-palidromic cuttingPalindromic Contest 233435

1166Funny Card GameNEERC 2001 Northern Subregional1163442

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1193447

1597Chernobyl’ Eagle on a Roof. Version 2303457

1909Space ReconUral Championship 2012453504


2087TrainsUral Championship 2016153551

1616Square Country 4Ural Championship 2008863594

1509Domino RecognitionNEERC 2006 Eastern Subregional1013609

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional433625

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest513704

1834Tennis RacketUral Championship 2011543723

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest563731

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest873761

1778Chinese Hockey 2Ural SU Championship 2010583770

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest973780

1765Error 404Ural Championship 2010623790

1632LasersUSU Championship 2008753827

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection353835

2094Thousand ImpsUral FU Personal Contest 2014123918

1460WiresPetrozavodsk Winter 2006. USU Contest943935

1733Forgotten TechnologyUSU Championship 2009633944

2049ChemistryUral Championship 2015203953

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest883960

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473964

1938Caribbean TriangleUral FU Championship 2012383967

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest233987

1598DSA Attack244009

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1004042

1661DodecahedronPetrozavodsk Winter 2008. USU Contest664189

2077ReductionsQualification of eastern subregional contest 2015134198

2086Find DenisUral Championship 2016114227

1967Programmer CasinoUral FU Personal Contest 2013304300

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest844302

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest644303

2088Nostalgic EveningUral Championship 2016104376

1344Gigantic TurnipUSU Championship 2004884511

1973Location GeneratorUral Championship 2013274557

1271Sailing DirectionsUSU Championship 2003854567

1594Aztec Treasure564586

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest614659

1340CucarachaUSU Championship 2004834754

1999The secret moduleNEERC 2013 Eastern Subregional244761

1365Testing CalculatorUral Championship 2005. Round 2804922

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest574938

1797Summit Online Judge. Version 2294983

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest714993

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest525002

1801The Revolution CupNEERC 2010 Eastern Subregional405090

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775110

1771A Deputy's MorningUral Championship 2010435149

1426RectanglesTimus Top Coders: First Challenge735185

1763Expert FleaUral Championship 2010425248

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest155262

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest745293

2076VasianaQualification of eastern subregional contest 201585364

1799Sasha and swag strings105372

2054AstronomyUral Championship 2015125389

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest655392

2016Magic and ScienceNEERC 2014 Eastern Subregional145594

1372Death StarUral Championship 2005. Round 1695627

1848Fly HuntPetrozavodsk Summer 2010. USU Contest295793

2082PokerUral Championship 201655887

1842Local RootsPetrozavodsk Summer 2010. USU Contest285946

1363HalftonesUral Championship 2005. Round 2645986

1668Death Star 2Petrozavodsk Winter 2008. USU Contest436007

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276092

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest306156

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest416243

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406326

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426362

1536Delights of Pipe-weedUSU Personal Contest 2007486666

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386734

1906The Lost CivilizationUral Championship 2012186883

1653Death ConveyorNEERC 2008 Eastern Subregional367027

1840Victim of AdvertisingUral Championship 2011217686

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337693

1432Twofold LuckUSU Personal Contest 2006438089

1596Knight Mare168117

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288324

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest328685

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection99082

1415Mobile LifeUSU Championship 2005389223

1376Dean's Pyramid 2Ural Championship 2005. Round 1389261

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest369665

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010339

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910907

1399Economical Director2610923

1374MisereUral Championship 2005. Round 12911398

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211400

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212126

1708Sum of Digits 2Ural Championship 20091512322

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313473

1548Sakura and StatisticsUral Championship 20071714122

1369Cockroach RaceUral Championship 2005. Round 22114290

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815879

1589SokobanNEERC 2007 Eastern Subregional622568

1394Ships. Version 2726154