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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6173719

1001Reverse Root1689820

1785Lost in LocalizationUral Regional School Programming Contest 2010900020

1293EniyaSpring School Contest 20041583024

1877Bicycle CodesUral Regional School Programming Contest 2011606024

1409Two GangstersAutumn School Contest 20051520426

1820Ural SteaksUSU Personal Contest 2011579628

1787Turn for MEGAUral Regional School Programming Contest 2010574131

1264WorkdaysAutumn School Contest 20031132833

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011442633

1197Lonesome KnightSpring School Contest 20021064334

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional309436

2001Mathematicians and BerriesUral Regional School Programming Contest 2013206137

1639Chocolate 2Autumn School Contest 2008664038

1924Four ImpsUral Regional School Programming Contest 2012277939

1313Some Words about SportUral Championship 2004. Round 1859244

1068Sum2213646

12091, 10, 100, 1000...Autumn School Contest 2002802746

1319HotelUral Championship 2004. Round 2801947

1567SMS-spamUSU Championship 2007638447

1581TeamworkAutumn School Contest 2007621448

1225FlagsNEERC 2002 Central Subregional712252

1263ElectionsAutumn School Contest 2003725352

1585PenguinsNEERC 2007 Eastern Subregional565952

1881Long problem statementUral Regional School Programming Contest 2011275752

1876Centipede's MorningUral Regional School Programming Contest 2011270053

1100Final StandingsTetrahedron Team Online Contest May 2001648555

1893A380NEERC 2011 Eastern Subregional258155

1327FusesAutumn School Contest 2004677057

1991The battle near the swampNEERC 2013 Eastern Subregional132458

1110PowerBulgarian Online Contest September 2001612059

1243Divorce of the Seven DwarfsUSU Personal Contest 2003627359

1349FarmSpring School Contest 2005638460

1493One Step from HappinessAutumn School Contest 2006572360

1925British Scientists Save the WorldUral Regional School Programming Contest 2012175162

1545HieroglyphsUral Championship 2007505963

1607TaxiUSU Personal Contest 2008449963

1496SpammerAutumn School Contest 2006531864

1636Penalty TimeUSU Championship 2008397165

1837Isenbaev's NumberUral Championship 2011237967

1149Sinus Dances531768

1196History ExamSpring School Contest 2002534968

1617Flat SpotsUral Championship 2008402169

2005Taxi for ProgrammersUral Regional School Programming Contest 2013108169

1723Sandro's BookUral Regional School Programming Contest 2009310370

1563BayanUSU Championship 2007417071

1654Cipher MessageNEERC 2008 Eastern Subregional357171

1131CopyingUSU Championship 2001498672

1025Democracy in DangerAutumn School Contest 20001509473

1457Heating MainTimus Top Coders: Second Challenge498373

1792Hamming CodeUral Regional School Programming Contest 2010245973

1224SpiralNEERC 2002 Central Subregional495274

2002Test TaskUral Regional School Programming Contest 2013101274

1935Tears of DrownedUral FU Championship 2012144475

2011Long StatementUral Regional School Programming Contest 201399775

1712Cipher GrilleNEERC 2009 Eastern Subregional286676

1290SabotageSpring School Contest 2004492777

1083Factorials!!!Spring School Contest 20011237479

1194HandshakesSpring School Contest 2002435283

1502Domino DotsNEERC 2006 Eastern Subregional408683

1902Neo-VeniceUral Championship 2012132183

1139City BlocksNEERC 2001 Central Subregional421585

1638BookwormUSU Championship 2008301085

1106Two TeamsTetrahedron Team Online Contest May 2001409587

1120Sum of Sequential NumbersAutumn School Contest 2001415087

1404Easy to Hack!Autumn School Contest 2005444687

2012About Grisha N.NEERC 2014 Eastern Subregional51589

1180Stone GameUSU Personal Contest 2002398091

1796Amusement ParkUral Regional School Programming Contest 2010197791

1786Sandro's BiographyUral Regional School Programming Contest 2010195492

1161StripiesNEERC 2001 Northern Subregional383694

1601AntiCAPSUSU Personal Contest 2008299494

16421D MazeAutumn School Contest 2008270994

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201379394

1510OrderNEERC 2006 Eastern Subregional354196

1644A Whole Lot of WalnutsAutumn School Contest 2008262897

1731DillUral Regional School Programming Contest 2009223497

1005Stone PileUSU Championship 19971132298

1009K-based NumbersUSU Championship 19971124398

1119MetroAutumn School Contest 2001364599

1297PalindromeSpring School Contest 20043800100

1446Sorting HatUral Championship 20063644100

1777AnindilyakwaUral SU Championship 20101780101

1873GOV ChroniclesUral Regional School Programming Contest 20111428101

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013488102

1214Strange ProcedureAutumn School Contest 20023583103

1370MagicianUral Championship 2005. Round 23757103

1228ArrayNEERC 2002 Central Subregional3554104

1146Maximum SumDSAP Vietnam Online Contest November 20013438105

1020RopeAutumn School Contest 200010162109

1136ParliamentNEERC 2001 Central Subregional3297109

1118Nontrivial NumbersAutumn School Contest 20013257110

1573AlchemyAutumn School Contest 20072707110

1014Product of DigitsUSU Local Contest. 19999950111

1082Gaby IvanushkaSpring School Contest 20018710112

1330IntervalsAutumn School Contest 20043422112

1203Scientific ConferenceUSU Local Contest. March 20023164115

1296HyperjumpSpring School Contest 20043299115

1582BookmakersNEERC 2007 Eastern Subregional2564115

2000Grand Theft Array VUral Regional School Programming Contest 2013646115

1044Lucky Tickets. Easy!USU Championship 20009395116

1079MaximumWinter Mathematical Festival Varna 20018459116

1192Ball in a DreamSpring School Contest 20023126116

2023Donald is a postmanNEERC 2014 Eastern Subregional392116

1711Code NamesNEERC 2009 Eastern Subregional1849117

1226esreveR redrONEERC 2002 Central Subregional3119118

1868Prediction ContestUral FU Championship 20111217119

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023019120

1219Symbolic SequenceUSU Championship 20023021122

1126Magnetic StormsUSU Championship 20012905124

1683FridgeUSU Personal Contest 20091931125

1931Excellent TeamUral FU Championship 2012860125

1984Dummy GuyOpen Ural FU Championship 2013608125

1123SalaryAutumn School Contest 20012854126

1086CryptographySpring School Contest 20017648127

1688Team.GOV!USU Personal Contest 20091894127

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional589128

1353Milliard Vasya's FunctionSpring School Contest 20052931131

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101370131

1283DwarfUSU Personal Contest 20042853132

1336Problem of Ben BetsalelAutumn School Contest 20042896132

1725Sold Out!Ural Regional School Programming Contest 20091638132

1022Genealogical TreeAutumn School Contest 20008168135

1260Nudnik PhotographerAutumn School Contest 20032745137

1021Sacrament of the SumAutumn School Contest 20008020138

1352Mersenne PrimesSpring School Contest 20052784138

1740Deer is Better!USU Championship 20091549138

1821BiathlonUSU Personal Contest 20111179139

1864Get-Together at Den'sUral FU Championship 20111035139

1222Chernobyl’ EaglesUSU Championship 20022612141

1612Tram ForumUral Championship 20081966141

1026Questions and AnswersAutumn School Contest 20007777142

1142RelationsDSAP Vietnam Online Contest November 20012535142

1402CocktailsAutumn School Contest 20052694144

1576Telephone TariffsAutumn School Contest 20072048145

1964Chinese DialectsUral FU Personal Contest 2013665145

1878Rubinchik's CubeUral Regional School Programming Contest 2011984146

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional744146

1982Electrification PlanOpen Ural FU Championship 2013513148

1084Goat in the GardenSpring School Contest 20016495150

1756One and a Half DiggersUSU Personal Contest 20101328151

1178Akbardin’s RoadsUSU Personal Contest 20022370153

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional697156

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional287157

1572Yekaterinozavodsk Great WellAutumn School Contest 20071866159

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101113161

1306Sequence MedianUral Championship 19982334162

1210Kind SpiritsAutumn School Contest 20022246163

1769Old Ural LegendUral Championship 20101210163

1874Football GoalUral Regional School Programming Contest 2011879163

1135RecruitsNEERC 2001 Central Subregional2191164

1157Young TilerUral Championship 2001. Round 22195164

1869New Year CruiseUral FU Championship 2011877164

1073Square CountryUSU Personal Contest 20016000165

1295Crazy NotionsSpring School Contest 20042287165

1800Murphy's LawNEERC 2010 Eastern Subregional1076165

1017StaircasesUSU Local Contest. 19996607167

1709Penguin-AviaUral Championship 20091411167

1506Columns of NumbersNEERC 2006 Eastern Subregional2018168

1213Cockroaches!Autumn School Contest 20022167169

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091269170

1789Searching for the DodecahedronUral Regional School Programming Contest 20101050170

1012K-based Numbers. Version 26462171

1167Bicolored HorsesRomanian Online Contest December 20012111171

1685OrthographyUSU Personal Contest 20091387173

1640Circle of WinterAutumn School Contest 20081457174

1280Topological SortingNEERC 2003 Central Subregional2127176

1413Mars JumperUSU Championship 20052170177

1048Superlong SumsUSU Local Contest. March 20005989179

1930Ivan's CarUral Regional School Programming Contest 2012603179

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1401180

1193Queue at the ExamSpring School Contest 20021994181

1354Palindrome. Again PalindromeSpring School Contest 20052118181

1134CardsNEERC 2001 Central Subregional1962183

1335White ThesisAutumn School Contest 20042071184

1164FillwordNEERC 2001 Northern Subregional1942185

1645Ski RaceAutumn School Contest 20081367185

1613For Fans of StatisticsUral Championship 20081478187

1102Strange DialogTetrahedron Team Online Contest May 20011888188

1272Non-Yekaterinburg SubwayUSU Championship 20031997188

1586Threeprime NumbersNEERC 2007 Eastern Subregional1554189

1885Passenger ComfortNEERC 2011 Eastern Subregional748189

1114BoxesBulgarian Online Contest September 20011860192

1208Legendary Teams ContestUSU Local Contest. March 20021879193

1138Integer PercentageNEERC 2001 Central Subregional1832196

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1249196

1680The First NonqualifyingUSU Personal Contest 20091222196

1846GCD 2010Petrozavodsk Summer 2010. USU Contest744196

1023ButtonsAutumn School Contest 20005583197

1207Median on the PlaneUSU Local Contest. March 20021834197

1133Fibonacci SequenceNEERC 2001 Central Subregional1809198

1112CoverBulgarian Online Contest September 20011789200

1998The old PadawanNEERC 2013 Eastern Subregional373201

1423String TaleTimus Top Coders: First Challenge1798206

1922Superhero TeamUral Regional School Programming Contest 2012522206

1944Record of the Attack at the OrbitUral FU Personal Contest 2012627206

1249Ancient NecropolisUSU Local Contest. March 20031773209

1737Mnemonics and Palindromes 3USU Championship 20091020209

1002Phone NumbersCentral European Olympiad in Informatics 19995265210

1200Horns and HoofsUSU Local Contest. March 20021700213

1889Airport AnnouncementsNEERC 2011 Eastern Subregional665213

1348Goat in the Garden 2Spring School Contest 20051793214

1981Parallel and PerpendicularOpen Ural FU Championship 2013351215

1515CashmasterTimus Top Coders: Third Challenge1533216

2003Simple MagicUral Regional School Programming Contest 2013341216

1152False MirrorsUral Championship 2001. Round 21656217

1011ConductorsUSU Championship 19975054219

1052Rabbit HuntUSU Local Contest. March 20004916219

1125HopscotchUSU Championship 20011604223

1491Unreal StoryAutumn School Contest 20061499226

1033LabyrinthUral Championship 19994849227

1490Fire CircleAutumn School Contest 20061497227

1795Husband in a ShopUral Regional School Programming Contest 2010784227

1024PermutationsAutumn School Contest 20004815229

1826MinefieldUSU Personal Contest 2011704231

1987Nested SegmentsOpen Ural FU Championship 2013325231

1049Brave BalloonistsUSU Local Contest. March 20004601234

1333Genie Bomber 2Autumn School Contest 20041626234

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012459234

1150Page NumbersUral Championship 2001. Round 21510238

1191Catch the thief!Spring School Contest 20021515238

1122GameAutumn School Contest 20011497239

1183Brackets SequenceNEERC 20011513239

1635Mnemonics and PalindromesUSU Championship 20081056241

1779The Great TeamUral SU Championship 2010742241

1933Guns for Battle!Ural FU Championship 2012439243

1108HeritageBulgarian Online Contest September 20011461245

1247Check a SequenceUSU Personal Contest 20031506245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1578245

1603EruditeUSU Personal Contest 20081134246

1718RejudgeNEERC 2009 Eastern Subregional878246

1113JeepBulgarian Online Contest September 20011445247

1204IdempotentsUSU Local Contest. March 20021455248

1205By the Underground or by Foot?USU Local Contest. March 20021450249

1355Bald Spot RevisitedSpring School Contest 20051539249

1010Discrete FunctionUSTU PhysTech Cup 20004424250

1242WerewolfUSU Personal Contest 20031479250

1823Ideal GasUSU Personal Contest 2011646252

1433DiamondsUSU Personal Contest 20061457253

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional174254

1298KnightSpring School Contest 20041476255

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1268255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013836256

1726VisitsUral Regional School Programming Contest 2009831258

1494MonobilliardsAutumn School Contest 20061304260

1195Ouths and CrossesSpring School Contest 20021373263

1989SubpalindromesOpen Ural FU Championship 2013284264

1087The Time to Take StonesSpring School Contest 20013661265

1080Map ColoringWinter Mathematical Festival Varna 20013679266

1047Simple CalculationsUSU Local Contest. March 20004035267

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031382267

1303Minimal CoverageUral Championship 19981408268

1028StarsUral Championship 19994075270

1109ConferenceBulgarian Online Contest September 20011322270

1904The Lessons of the PastUral Championship 2012400271

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional163271

1179Numbers in TextUSU Personal Contest 20021324272

1220StacksUSU Championship 20021340273

2018The Debut AlbumNEERC 2014 Eastern Subregional161274

1117HierarchyAutumn School Contest 20011287278

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional633278

1537EntsUSU Personal Contest 20071146281

1201Which Day Is It?USU Local Contest. March 20021282282

1658Sum of DigitsNEERC 2008 Eastern Subregional892282

1053PinocchioNEERC 2000 Central Subregional3799283

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional261284

1032Find a MultipleUral Championship 19993365285

1684Jack's Last WordUSU Personal Contest 2009837285

1741Communication FiendUSU Championship 2009745286

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest711287

1211Collective GuaranteeAutumn School Contest 20021264289

1244GentlemenUSU Personal Contest 20031277289

1497Cutting a SquareAutumn School Contest 20061173289

1995Illegal spicesNEERC 2013 Eastern Subregional256289

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1173291

1551Sumo TournamentUral Championship 20071082292

1590Bacon’s CipherNEERC 2007 Eastern Subregional1004292

1018Binary Apple TreeUSU Local Contest. 19993763293

1184Cable MasterNEERC 20011230293

1753BookshelfUSU Personal Contest 2010679293

1793Tray 2Ural Regional School Programming Contest 2010599296

1377Lara CroftUral Championship 2005. Round 11293298

1501Sense of BeautyNEERC 2006 Eastern Subregional1126299

1215Exactness of Projectile HitAutumn School Contest 20021191307

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest665307

1116Piecewise Constant FunctionAutumn School Contest 20011160308

1127Colored BricksUSU Championship 20011159308

1934Black SpotUral FU Championship 2012343309

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest764310

1901Space ElevatorsUral Championship 2012347311

1036Lucky Tickets3507313

1121BranchesAutumn School Contest 20011137314

1190Bar of ChocolateSpring School Contest 20021142315

1008Image EncodingUSTU PhysTech Cup 20003488317

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1069319

1294Mars SatellitesSpring School Contest 20041171321

1923Scary PoliticsUral Regional School Programming Contest 2012332321

1153SupercomputerUral Championship 2001. Round 21114322

1648YachtsAutumn School Contest 2008782322

1302Delta-waveUral Championship 19981162324

1588JamaicaNEERC 2007 Eastern Subregional902325

1029MinistryUral Championship 19992920328

1060Flip GameNEERC 20003096329

1124MosaicUSU Championship 20011085329

1604Country of FoolsUSU Personal Contest 2008839332

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest430334

1137Bus RoutesNEERC 2001 Central Subregional1063336

1828Approximation by a ProgressionUSU Personal Contest 2011482336

1227Rally ChampionshipNEERC 2002 Central Subregional1081338

1031Railway TicketsUral Championship 19993213342

1185WallNEERC 20011051343

1406Next NumberAutumn School Contest 20051123343

1223Chernobyl’ Eagle on a RoofUSU Championship 20021052347

1320Graph DecompositionUral Championship 2004. Round 21086347

1783Nuclear Arms RaceUral SU Championship 2010511347

1759Long-LiversUSU Personal Contest 2010571348

1140Swamp IncidentNEERC 2001 Central Subregional1023349

1483Table FootballUSU Championship 2006969350

1090In the Army NowUSU Local Contest. March 20012621352

1262Pseudo-Roman NumberAutumn School Contest 20031060352

1007Code WordsUSU Championship 19973116355

1992CVSNEERC 2013 Eastern Subregional207355

1218Episode N-th: The Jedi TournamentUSU Championship 20021021358

1631Drunk King 2USU Championship 2008705359

1941Scary Martian WordUral FU Personal Contest 2012355359

1055CombinationsNEERC 2000 Central Subregional2980360

1282Game TreeNEERC 2003 Central Subregional1035361

1292Mars Space StationsSpring School Contest 20041041361

2021Scarily interesting!NEERC 2014 Eastern Subregional120361

1450Russian PipelinesTimus Top Coders: Second Challenge991363

1963KiteUral FU Personal Contest 2013260363

1160NetworkNEERC 2001 Northern Subregional1006364

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional384364

1156Two RoundsUral Championship 2001. Round 2981365

1574Mathematicians and bracketsAutumn School Contest 2007806365

1860FiborialPetrozavodsk Summer 2011. USU Contest393365

1431DiplomasUSU Personal Contest 20061003366

1261TipsAutumn School Contest 20031016367

1403CourierAutumn School Contest 20051042369

1246Tethered DogUSU Personal Contest 2003992371

1521War Games 2Timus Top Coders: Third Challenge889371

1774Barber of the Army of MagesUral SU Championship 2010477372

1517Freedom of ChoiceTimus Top Coders: Third Challenge885373

1229Strong BrickworkNEERC 2002 Central Subregional970376

1651Shortest SubchainNEERC 2008 Eastern Subregional667376

1078SegmentsWinter Mathematical Festival Varna 20012595377

1346Intervals of MonotonicityUSU Championship 20041013377

1039Anniversary PartyUSU Championship 20002866380

1259How to Become Star?Autumn School Contest 2003980380

1562GM-pineappleUSU Championship 2007777380

1015Test the Difference!USU Local Contest. 19992874383

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional278383

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest636386

1115ShipsBulgarian Online Contest September 2001919387

1176HyperchannelsUSU Personal Contest 2002927388

1003ParityCentral European Olympiad in Informatics 19992846389

1279WarehouseNEERC 2003 Central Subregional956390

1094E-screenUSU Local Contest. March 20012361391

1489Points on a ParallelepipedAutumn School Contest 2006859393

1217Unlucky TicketsUSU Championship 2002924395

1407One-two, One-twoAutumn School Contest 2005971396

1732Ministry of TruthUSU Championship 2009533397

1289One Way TicketUSU Personal Contest 2004942398

1427SMSTimus Top Coders: First Challenge922400

1111SquaresBulgarian Online Contest September 2001882403

1571InterpretersUSU Championship 2007732403

1038Spell CheckerUSU Championship 20002689404

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest797404

1356Something EasierSpring School Contest 2005942405

1107Warehouse ProblemTetrahedron Team Online Contest May 2001870406

1480CouponsUSU Championship 2006833406

1141RSA Attack876407

1287Mars CanalsUSU Personal Contest 2004919408

1602ElevatorUSU Personal Contest 2008680409

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest496409

1700AwakeningUral Championship 2009567412

1971Graphics SettingsUral Championship 2013215412

1089Verification with a VocabularySpring School Contest 20012343414

1495One-two, One-two 2Autumn School Contest 2006811416

1776Anniversary FireworkUral SU Championship 2010425416

1350CanteenSpring School Contest 2005914418

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional418418

1202Rectangles TravelUSU Local Contest. March 2002857420

2009Canteen LineUral Regional School Programming Contest 2013170421

1128Partition into GroupsUSU Championship 2001844422

1181Cutting a Painted PolygonUSU Personal Contest 2002851422

1507Difficult DecisionNEERC 2006 Eastern Subregional791424

1077Travelling Tours836426

1513Lemon TaleTimus Top Coders: Third Challenge772427

1291Gear-wheelsSpring School Contest 2004877428

1019Line PaintingUSU Local Contest. 19992570429

1641DutiesAutumn School Contest 2008584430

1890Money out of Thin AirNEERC 2011 Eastern Subregional324430

1252Sorting the TombstonesUSU Local Contest. March 2003853431

1221Malevich Strikes Back!USU Championship 2002830439

1051Simple Game on a GridUSU Local Contest. March 20002442440

1728Curse on Team.GOVUral Regional School Programming Contest 2009484440

1643Attack of the Dark FortressAutumn School Contest 2008563446

1129Door PaintingUSU Championship 2001797447

2004Scientists from SpilkovoUral Regional School Programming Contest 2013159448

1416ConfidentialUSU Championship 2005847451

1871Seismic WavesUral FU Championship 2011312452

1258PoolAutumn School Contest 2003821453

1900Brainwashing DeviceUral Championship 2012235453

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001786454

1519Formula 1Timus Top Coders: Third Challenge725454

1990PodracingNEERC 2013 Eastern Subregional159455

1072RoutingUSU Personal Contest 20012169456

1189Pairs of IntegersNEERC 2001786457

1942Attack at the OrbitUral FU Personal Contest 2012276458

1410CrackUSU Championship 2005832459

1884Way to the UniversityUral Regional School Programming Contest 2011306459

1535The Hobbit or There and Back AgainUSU Personal Contest 2007695460

1928Another Ecology ProblemUral Regional School Programming Contest 2012228461

1891Language OceanNEERC 2011 Eastern Subregional300463

1980Road to InvestorUral Championship 2013189465

1162Currency ExchangeNEERC 2001 Northern Subregional763468

1428Jedi RiddleTimus Top Coders: First Challenge784469

1729Dead Man's ChestUral Regional School Programming Contest 2009452470

1091Tmutarakan ExamsUSU Local Contest. March 20011945474

1525PathPetrozavodsk Winter 2007. D.Gozman Contest677475

1870Zinium 2Ural FU Championship 2011295477

1236Decoding TaskNEERC 2002764478

1628White StreaksUSU Championship 2008528478

1754Explosion in a PyramidUSU Personal Contest 2010413478

1098Questions1835480

1095Nikifor 3USU Local Contest. March 20011915481

1838Samurai's StrokeUral Championship 2011325481

1343Fairy TaleUSU Championship 2004784486

1155TroubleduonsUral Championship 2001. Round 2732487

1066GarlandNEERC 20002080488

1401GamersAutumn School Contest 2005780491

1212BattleshipAutumn School Contest 2002739492

1273TieUSU Championship 2003756492

1579Coat TransportationAutumn School Contest 2007596492

1939First SealUral FU Championship 2012210495

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional428498

1103Pencils and CirclesTetrahedron Team Online Contest May 2001705499

1329Galactic HistoryAutumn School Contest 2004757500

1056Computer NetNEERC 2000 Central Subregional2129503

1182Team Them Up!NEERC 2001710505

1803The Czechs' RiflesNEERC 2010 Eastern Subregional344505

1326Bottle TapsUral Championship 2004. Round 2739507

1158Censored!NEERC 2001 Northern Subregional697511

1430Crime and PunishmentTimus Top Coders: First Challenge717513

1322SpyUral Championship 2004. Round 2730514

1994The Emperor's planNEERC 2013 Eastern Subregional139516

1238FoldingNEERC 2002705518

1334CheckersAutumn School Contest 2004730518

1316Electronic AuctionUral Championship 2004. Round 1722519

1366PresentsUral Championship 2005. Round 2734520

1143Electric PathDSAP Vietnam Online Contest November 2001681523

1806Mobile TelegraphsNEERC 2010 Eastern Subregional332523

1069Prufer CodeUSU Personal Contest 20011886524

1892Morning in KoltsovoNEERC 2011 Eastern Subregional263526

1866Poetic FootUral FU Championship 2011266527

1577E-mailAutumn School Contest 2007553529

1045Funny GameUSU Local Contest. March 20002024531

1600AirportUSU Personal Contest 2008521531

1903Unidentified ShipsUral Championship 2012199531

1962In Chinese RestaurantUral FU Personal Contest 2013174533

1101Robot in the FieldTetrahedron Team Online Contest May 2001651540

1767The House of Doctor DeeUral Championship 2010359540

1027D++ AgainAutumn School Contest 20002030541

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional194541

1400Cellular CharactersAutumn School Contest 2005707542

1710Boris, You Are Wrong!Ural Championship 2009429542

1439Battle with You-Know-WhoUral Championship 2006666543

1314Chase in SubwayUral Championship 2004. Round 1689544

1605Devil's SequenceUSU Personal Contest 2008508544

1064Binary SearchNEERC 20001864545

1822Hugo II's WarUSU Personal Contest 2011291549

2008SwiftyUral Regional School Programming Contest 2013128549

1414Astronomical DatabaseUSU Championship 2005691551

1061Buffer ManagerNEERC 20001837553

1550Dean's Pyramid 3Ural Championship 2007563556

1701Ostap and PartnersUral Championship 2009418556

1071Nikifor 2USU Personal Contest 20011774557

1085MeetingSpring School Contest 20011741557

1940Not So Simple YearsUral FU Championship 2012185559

1059ExpressionNEERC 2000 Central Subregional1914560

1932The Secret of IdentifierUral FU Championship 2012184562

1698Square Country 5Petrozavodsk Winter 2009. USU Contest417563

1966Cycling RoadsUral FU Personal Contest 2013164564

1004Sightseeing TripCentral European Olympiad in Informatics 19991956565

1650BillionairesNEERC 2008 Eastern Subregional441565

1760Infernal WorkUSU Personal Contest 2010348565

1713Key SubstringsNEERC 2009 Eastern Subregional375566

1198Jobbery673568

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005670568

1534Football in GondorUSU Personal Contest 2007556573

1445Christmas giftsUral Championship 2006630574

1070Local TimeUSU Personal Contest 20011714576

1437Gasoline StationUSU Personal Contest 2006633577

1592Chinese WatchesNEERC 2007 Eastern Subregional504577

1690Army of MagesPetrozavodsk Winter 2009. USU Contest405579

1682Crazy ProfessorUSU Personal Contest 2009407580

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012179580

1421Credit OperationsTimus Top Coders: First Challenge630582

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest442582

1448Lighting in HogwartsUral Championship 2006620583

1659Regular TrianglesNEERC 2008 Eastern Subregional426584

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup142584

1362Classmates 2Ural Championship 2005. Round 2651585

1172Ship RoutesRomanian Online Contest December 2001607586

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest240588

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest500589

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional71589

1054Hanoi TowerNEERC 2000 Central Subregional1804594

1375Bill CleversUral Championship 2005. Round 1644594

1706Cipher Message 2Ural Championship 2009382607

1832Arirang ShowUral Championship 2011255608

1067Disk TreeNEERC 20001664610

1358CablesSpring School Contest 2005622611

1986Paul’s SaladsOpen Ural FU Championship 2013117611

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest481612

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional169616

1309DisputeUral Championship 2004. Round 1603620

1755CakeUSU Personal Contest 2010316620

1988Planet Ocean LandingOpen Ural FU Championship 2013115620

1872Spacious OfficeUral FU Championship 2011224622

1325DirtUral Championship 2004. Round 2598625

1096Get the Right Route Plate!USU Local Contest. March 20011460630

1773Metro to Every HomeUral Championship 2010306630

1974Similar TunesUral Championship 2013137630

1076Trash1552632

1174Weird PermutationsRomanian Online Contest December 2001561633

1234BricksNEERC 2002571636

1465Pawn GamePetrozavodsk Winter 2006. USU Contest539636

1606SlalomUSU Personal Contest 2008433636

1830Help in the RNOSUral Championship 2011242639

1088Ilya MurometzSpring School Contest 20011512640

1254Die HardUSU Local Contest. March 2003570641

1443RailsUral Championship 2006558646

1248Sequence SumUSU Personal Contest 2003564647

1253NecrologuesUSU Local Contest. March 2003565647

1186Chemical ReactionsNEERC 2001551648

1633HippogriffsUSU Championship 2008382655

1542AutocompletionUral Championship 2007474658

1452Pascal vs. C++Timus Top Coders: Second Challenge541660

1564Counting OnesUSU Championship 2007443660

1996Cipher Message 3NEERC 2013 Eastern Subregional106663

1961Cantonese DialectUral FU Personal Contest 2013137667

1332Genie BomberAutumn School Contest 2004563669

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009315669

1875Angry BirdsUral Regional School Programming Contest 2011206671

1629TripUSU Championship 2008372673

1500Pass LicensesNEERC 2006 Eastern Subregional494674

1775Space BowlingUral SU Championship 2010258675

1440Training ScheduleUral Championship 2006531678

1772Ski-Trails for RobotsUral Championship 2010284678

1780Gray CodeUral SU Championship 2010255683

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest492685

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional251686

1034Queens in Peaceful PositionsUral Championship 19991573696

1301Cube in LabyrinthUral Championship 1998535697

1371Cargo AgencyUral Championship 2005. Round 1543702

1486Equal SquaresUSU Championship 2006475706

1274Fractional ArithmeticNEERC 2003 Central Subregional523707

1286Starship TravelUSU Personal Contest 2004525709

1230Introspective ProgramNEERC 2002 Central Subregional509711

1611DecimationUral Championship 2008381713

1037Memory ManagementUSU Championship 20001518714

1168Radio StationsRomanian Online Contest December 2001495716

1646Godzilla Strikes Back!Autumn School Contest 2008346717

1738Computer SecurityUSU Championship 2009291717

1927Herbs and MagicUral Regional School Programming Contest 2012143717

1235Cricket FieldNEERC 2002502722

1305Convex HullUral Championship 1998516722

1614National Project “Trams”Ural Championship 2008376722

1159FenceNEERC 2001 Northern Subregional490723

1057Amount of DegreesNEERC 2000 Central Subregional1477724

1016Cube on the WalkUSU Local Contest. 19991514725

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest404726

1825Ifrit Bomber 2USU Personal Contest 2011217728

1405Goat in the Garden 5Autumn School Contest 2005521731

1936RoshamboUral FU Championship 2012139731

1250Sea BurialUSU Local Contest. March 2003495736

1587Flying PigNEERC 2007 Eastern Subregional391739

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest451746

1905Travel in TimeUral Championship 2012138749

1132Square Root471750

1716Alternative SolutionNEERC 2009 Eastern Subregional278757

1943Space RummyUral FU Personal Contest 2012163757

1689Fisherman and BarbellUSU Personal Contest 2009309758

1512ZiniumTimus Top Coders: Third Challenge430759

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest450760

1169PairsRomanian Online Contest December 2001465761

1921Chaos and OrderUral Regional School Programming Contest 2012134761

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional51763

1484Film RatingUSU Championship 2006438764

1424MinibusTimus Top Coders: First Challenge477765

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest211769

1379Cups TransportationUral Championship 2005. Round 1493772

1042Central HeatingUSU Championship 20001400774

1705Gangster HaresUral Championship 2009297775

1392Dreaming of Stars489778

1720Summit Online JudgeNEERC 2009 Eastern Subregional267787

1434Buses in VasyukiUSU Personal Contest 2006460789

1547Password SearchUral Championship 2007393791

1647Divide an Island!Autumn School Contest 2008313791

1165SubnumberNEERC 2001 Northern Subregional444796

1030TitanicUral Championship 19991372797

1824Ifrit BomberUSU Personal Contest 2011197798

1983Nectar GatheringOpen Ural FU Championship 201387799

1593Square Country. Version 2295801

1715Another Ball KillerNEERC 2009 Eastern Subregional262802

1456Jedi Riddle 2Timus Top Coders: Second Challenge441806

1630TalismanUSU Championship 2008306813

1608Lucky Tickets 2008Ural Championship 2008332815

1268Little ChuUSU Championship 2003449820

1269Obscene Words FilterUSU Championship 2003448822

1836Babel FishUral Championship 2011186822

1105Observers ColoringTetrahedron Team Online Contest May 2001423825

1761Binary PalindromeUSU Personal Contest 2010234829

1883Ent's BirthdayUral Regional School Programming Contest 2011163838

1154Mages ContestUral Championship 2001. Round 2421839

1147Shaping RegionsDSAP Vietnam Online Contest November 2001418844

1937Davy Jones’s OrganUral FU Championship 2012119845

1863Peaceful AtomUral FU Championship 2011161851

1323ClassmatesUral Championship 2004. Round 2434856

1498Stroke at Full SpeedAutumn School Contest 2006389856

1976Game OptimizationUral Championship 201398857

1979Resources DistributionUral Championship 201398857

1233Amusing NumbersNEERC 2002421858

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest370858

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest161859

1006Square FramesUSU Championship 19971280860

1436BillboardUSU Personal Contest 2006420862

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest439865

1324Extra SpacesUral Championship 2004. Round 2429866

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest229867

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest293868

1276TrainNEERC 2003 Central Subregional423870

1578Mammoth HuntAutumn School Contest 2007329879

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest225882

1373Pictura ex MachinaUral Championship 2005. Round 1429884

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest385885

1887Frequent Flyer CardNEERC 2011 Eastern Subregional152886

1245PicturesUSU Personal Contest 2003408889

1013K-based Numbers. Version 346891

1970皇后像廣場Ural FU Personal Contest 2013100892

1342EnterpriseUSU Championship 2004422893

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest257900

1879GOV-internship 2Ural Regional School Programming Contest 2011150902

1364LaraKillerUral Championship 2005. Round 2416907

1827Indigenous WarsUSU Personal Contest 2011172907

1580Dean's DebtsAutumn School Contest 2007318908

1277Cops and ThievesNEERC 2003 Central Subregional403912

1862Very Wealthy MoleUral FU Championship 2011149916

1285Thread in a HyperspaceUSU Personal Contest 2004401922

1237Evacuation PlanNEERC 2002391924

1278“… Connecting People”NEERC 2003 Central Subregional397926

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional109927

1730ManBearPigUral Regional School Programming Contest 2009224929

1575Yekaterinburg Subway 2Autumn School Contest 2007310931

1907Coffee and BunsUral Championship 2012109932

1784RoundersUral SU Championship 2010184933

1768Circular StringsUral Championship 2010203935

1422FirefliesTimus Top Coders: First Challenge384946

1175Strange SequenceUSU Personal Contest 2002372951

1985Prime SquareOpen Ural FU Championship 201371957

1151RadiobeaconsUral Championship 2001. Round 2366961

1569Networking the “Iset”USU Championship 2007301961

1722Observation DeckUral Regional School Programming Contest 2009214970

1040Airline CompanyUSU Championship 20001111974

1591Abstract ThinkingNEERC 2007 Eastern Subregional294975

1948The Robot on the LineUral FU Personal Contest 2012124978

1130Nikifor's WalkUSU Championship 2001358979

1331VladislavaAutumn School Contest 2004381981

1418Military StoryUSU Championship 2005383983

1451Beerhouse TaleTimus Top Coders: Second Challenge360983

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest345984

1398Bishop and Pawn327985

1435Financial ErrorUSU Personal Contest 2006364991

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010172991

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest238996

1339BabiesUSU Championship 20043731007

1311Stable ConstructionUral Championship 2004. Round 13671008

1570Eating HighUSU Championship 20072861009

1965Pear TreesUral FU Personal Contest 2013871011

1539Intelligence DataUSU Personal Contest 20073101014

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1351017

1687Numismatics for FunUSU Personal Contest 20092261024

1949The Best Picture in the GalaxyUral FU Personal Contest 20121181024

1790Searching for the TruthUral Regional School Programming Contest 20101661025

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest2821029

1075Thread in a SpaceUSU Personal Contest 20019541030

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1901036

1968Glass PyramidUral FU Personal Contest 2013841043

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1511055

1518Jedi Riddle 3Timus Top Coders: Third Challenge3031067

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1491068

2007Mutants versus MachinesUral Regional School Programming Contest 2013601081

1317HailUral Championship 2004. Round 23391089

1511Fiscal OperationsTimus Top Coders: Third Challenge2951095

1173Lazy SnailRomanian Online Contest December 20013201096

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1791096

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup711096

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2161103

1341DeviceUSU Championship 20043311131

1766Humpty DumptyUral Championship 20101661132

2017Best of a bad lotNEERC 2014 Eastern Subregional311135

1458War GamesTimus Top Coders: Second Challenge3081143

1627JoinPetrozavodsk Winter 2008. ITMO Contest2201143

1357Teakettle 1.0 for DummiesSpring School Contest 20053271145

1807Cartridges for MaximNEERC 2010 Eastern Subregional1461147

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup671153

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest1981155

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3261156

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2461158

1544Classmates 3Ural Championship 20072651159

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2861162

1408Polynomial MultiplicationAutumn School Contest 20053221169

1444ElephpotamusUral Championship 20063031173

1447Portkey NetworkUral Championship 20063031173

1595Perfect Sequence1871176

1686Photovoltaic SpaceshipUSU Personal Contest 20091951179

1453QueenTimus Top Coders: Second Challenge2971184

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1741185

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1141185

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional831186

1307ArchiverUral Championship 2004. Round 13081195

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2411197

1657Cube SnakeNEERC 2008 Eastern Subregional2011207

1035Cross-stitchUral Championship 19998991209

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1381209

1359ConstructionSpring School Contest 20053091210

1487Chinese FootballUSU Championship 20062721214

1540Battle for the RingUSU Personal Contest 20072561220

1669Universal WordPetrozavodsk Winter 2008. USU Contest1941222

1736Chinese HockeyUSU Championship 20091661226

1310ACM DiagnosticsUral Championship 2004. Round 12971238

1321Floor IndicatorUral Championship 2004. Round 22961242

1538Towers of GuardUSU Personal Contest 20072491253

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2681257

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2471269

1533Fat HobbitsUSU Personal Contest 20072441277

1546Japanese SortingUral Championship 20072391280

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1951283

1177Like ComparisonsUSU Personal Contest 20022721288

1328FireballAutumn School Contest 20042871291

1065FrontierNEERC 20007761299

1097Square Country 2USU Local Contest. March 20017031299

1050Preparing an ArticleUSU Local Contest. March 20008191301

1171Lost in SpaceRomanian Online Contest December 20012661310

1281River BasinNEERC 2003 Central Subregional2731332

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup561345

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup561345

1240Heroes of Might and MagicNEERC 20022641349

1360Philosophical DisputeUral Championship 2005. Round 22751356

1099Work Scheduling6051364

1499KerchiefsAutumn School Contest 20062401366

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1401381

1770The Party of Ural ChampionsUral Championship 20101341383

1908Brute-force SearchUral Championship 2012701386

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2251387

1802Cube PuzzleNEERC 2010 Eastern Subregional1181398

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1101415

1265MirrorUSU Championship 20032561416

1266Kirchhoff's LawUSU Championship 20032561416

1318LogarithmUral Championship 2004. Round 22581418

1449Credit Operations 2Timus Top Coders: Second Challenge2461420

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2191424

1393Average Common Prefix2581429

1419Maps of the Island WorldsUSU Championship 20052591436

1299PsyloniansSpring School Contest 20042541437

1946Chinese Hockey 3Ural FU Personal Contest 2012811440

1947MeanderUral FU Personal Contest 2012811440

1412Autumn TideUSU Championship 20052581442

1886Trip 2NEERC 2011 Eastern Subregional891450

1764TranssibUral Championship 20101271454

1347BlogSpring School Contest 20052551457

1345HTMLUSU Championship 20042541461

1762Search for a Hiding-PlaceUSU Personal Contest 20101281465

1441From the History of Gringotts BankUral Championship 20062401468

1043Cover an ArcUSU Championship 20007331469

1170DesertRomanian Online Contest December 20012341482

1565The Duel for ThreeUSU Championship 20071901494

1782Jack's New WordUral SU Championship 20101101508

1251Cemetery ManagerUSU Local Contest. March 20032361511

1831Tsyfirkin's LessonUral Championship 2011961519

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2161522

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1511534

1241Inlay CuttersNEERC 20022311536

1568Train Car SortingUSU Championship 20071811564

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2091571

1337BureaucracyAutumn School Contest 20042331578

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1211582

1734Endgame DatabaseUSU Championship 20091261587

1670AsteriskPetrozavodsk Summer 2008. USU Contest1451594

1950Martian FarmlandsUral FU Personal Contest 2012721598

1583CheeseNEERC 2007 Eastern Subregional1741611

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest811614

1485Football and LieUSU Championship 20062011623

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2281632

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2261645

1894Non-Flying WeatherNEERC 2011 Eastern Subregional771650

1516NostalgiaTimus Top Coders: Third Challenge1921653

1488ACM PokerUSU Championship 20061961662

1969Hong Kong TramUral FU Personal Contest 2013491662

1702CrossroadUral Championship 20091331664

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest781670

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional561671

1062TriathlonNEERC 20005991676

1610CactusesUral Championship 20081561679

1420Integer-Valued Complex DivisionUSU Championship 20052191687

1841CablewaysPetrozavodsk Summer 2010. USU Contest771695

1508Japanese PuzzleNEERC 2006 Eastern Subregional1901699

1615Tram SolitaireUral Championship 20081531709

1839The MentaculusUral Championship 2011841713

1046Geometrical DreamsUSU Local Contest. March 20006191715

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest761715

1257HyphenationAutumn School Contest 20032081726

1338AutomobilesUSU Championship 20042131729

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20011981736

1707Hypnotoad's SecretUral Championship 20091271737

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1771744

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest871751

1781Clean CodeUral SU Championship 2010931757

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1881765

1514National ParkTimus Top Coders: Third Challenge1791766

1492Vasya's Dad 2Autumn School Contest 20061831770

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1061786

1417Space Poker 2USU Championship 20052061789

1304ParallelepipedUral Championship 19982011799

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841807

1425Queen 2Timus Top Coders: First Challenge1961809

1977Energy WallUral Championship 2013411816

1378Artificial IntelligenceUral Championship 2005. Round 12031823

1093DartsUSU Local Contest. March 20014971828

1163ChapaevNEERC 2001 Northern Subregional1851854

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1221871

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1221871

1757Gold BarsUSU Personal Contest 2010981872

1532Lost in TranslationUSU Personal Contest 20071621886

1503PolynomialNEERC 2006 Eastern Subregional1691899

1634Spider MiteUSU Championship 20081251903

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1211903

1216Two Pawns and One KingUSU Championship 20021831911

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1471914

1703Robotic ArmUral Championship 20091141919

1187Statistical TroubleNEERC 20011791924

1455Freedom of SpeechTimus Top Coders: Second Challenge1791924

1867NanotechnologiesUral FU Championship 2011651941

1396Maximum. Version 21751953

1148Building TowersDSAP Vietnam Online Contest November 20011711995

1188LibraryNEERC 20011721997

1833Hopes of RowingUral Championship 2011702013

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1732016

1232Asteroid LandingNEERC 2002 Central Subregional1722027

1063Domino PuzzleNEERC 20004922033

1288AstrolocationUSU Personal Contest 20041762038

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1112042

1972Game TestingUral Championship 2013352058

1835Swamp DoctorUral Championship 2011682065

1267Yekaterinburg SubwayUSU Championship 20031722069

1549Another Japanese PuzzleUral Championship 20071432082

1092TransversalUSU Local Contest. March 20014342087

1541ChaseUSU Personal Contest 20071442107

1850Space TourismPetrozavodsk Summer 2010. USU Contest602107

1315MDPAR and MIIARUral Championship 2004. Round 11702111

1041NikiforUSU Championship 20005052119

1543Dance RevolutionUral Championship 20071402124

1504Good MannersNEERC 2006 Eastern Subregional1492137

1074Very Short ProblemUSU Personal Contest 20014542141

2006Kirill the GardenerUral Regional School Programming Contest 2013252163

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21662196

1882Old NokiaUral Regional School Programming Contest 2011562196

1652Banking CrisisNEERC 2008 Eastern Subregional1052214

1655Somali PiratesNEERC 2008 Eastern Subregional1052214

1397Points Game1452221

1256Cemetery GuardUSU Local Contest. March 20031572226

1270UnicubeUSU Championship 20031592228

1758Bald Spot Revisited 2USU Personal Contest 2010802246

1978E-LiteUral Championship 2013312259

1368Goat in the Garden 3Ural Championship 2005. Round 21612260

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest992287

1481Winning ChancesUSU Championship 20061392298

1739FaryuksUSU Championship 2009832320

1829Routing TablesUSU Personal Contest 2011612326

2022Riding a ToadNEERC 2014 Eastern Subregional102327

1284Space PokerUSU Personal Contest 20041522340

1735Theft of the CenturyUSU Championship 2009822345

1865The Island of MärketUral FU Championship 2011522348

1895Steaks on BoardNEERC 2011 Eastern Subregional512354

1945Many-armed BrothersUral FU Personal Contest 2012452382

1717Eligibility RulesNEERC 2009 Eastern Subregional812396

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602426

1275Knights of the Round TableNEERC 2003 Central Subregional1452431

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional352451

1704DemodulationUral Championship 2009872454

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional782478

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest492490

1300TaxesUral Championship 19981382565

1308Dean's PyramidUral Championship 2004. Round 11382567

1609Tram TileUral Championship 2008982580

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest472587

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1062590

1454Rectangles 2Timus Top Coders: Second Challenge1302597

1312TrayUral Championship 2004. Round 11362602

1520Empire Strikes BackTimus Top Coders: Third Challenge1182608

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup242610

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup242610

1239Ghost BustersNEERC 20021312622

1975Model of the EarthUral Championship 2013252646

1938Caribbean TriangleUral FU Championship 2012312658

1597Chernobyl’ Eagle on a Roof. Version 292682

1694Killer WordsPetrozavodsk Winter 2009. USU Contest772762

1856War and PeacePetrozavodsk Summer 2011. USU Contest432772

1505Oil TransferNEERC 2006 Eastern Subregional1122785

1566Triangular PostcardsUSU Championship 2007972792

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest792801

1681Brother Bear's GardenUSU Personal Contest 2009762811

1637Triangle Game 2USU Championship 2008812824

1858Magic CubePetrozavodsk Summer 2011. USU Contest422825

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest742860

1957MundialPetrozavodsk Winter 2013. Kontur Cup212862

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest622878

1482Triangle GameUSU Championship 20061082902

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional282902

2016Magic and ScienceNEERC 2014 Eastern Subregional62909

1909Space ReconUral Championship 2012282919

1834Tennis RacketUral Championship 2011452928

1999The secret moduleNEERC 2013 Eastern Subregional162959

141140 Islands KnightsUSU Championship 20051202972

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest703003

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463033

1442Floo PowderUral Championship 20061093084

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest453088

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1013100

1367Top SecretUral Championship 2005. Round 21143118

1395Pascal vs. C++. Version 21063128

1622EndspielPetrozavodsk Winter 2008. ITMO Contest743131

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373138

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest723207

1438Time Limit ExceededUSU Personal Contest 20061053224

1616Square Country 4Ural Championship 2008753278

1058ChocolateNEERC 2000 Central Subregional3163295

1166Funny Card GameNEERC 2001 Northern Subregional1033331

1429BiscuitsTimus Top Coders: First Challenge1003387

1733Forgotten TechnologyUSU Championship 2009533425

1464LightPetrozavodsk Winter 2006. USU Contest923426

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333430

1765Error 404Ural Championship 2010473495

1632LasersUSU Championship 2008633520

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1003530

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest753534

1466Magic SquarePetrozavodsk Winter 2006. USU Contest873602

1199Mouse813647

1509Domino RecognitionNEERC 2006 Eastern Subregional823694

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup143698

1973Location GeneratorUral Championship 2013153704

1778Chinese Hockey 2Ural SU Championship 2010373851

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest903883

1661DodecahedronPetrozavodsk Winter 2008. USU Contest533957

1598DSA Attack24064

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504155

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684180

1967Programmer CasinoUral FU Personal Contest 2013114196

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704301

1763Expert FleaUral Championship 2010364331

1271Sailing DirectionsUSU Championship 2003764378

1797Summit Online Judge. Version 2154507

1771A Deputy's MorningUral Championship 2010344527

1460WiresPetrozavodsk Winter 2006. USU Contest674538

1594Aztec Treasure414549

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest654587

1801The Revolution CupNEERC 2010 Eastern Subregional294588

1340CucarachaUSU Championship 2004734645

1344Gigantic TurnipUSU Championship 2004734645

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404805

1426RectanglesTimus Top Coders: First Challenge664903

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575135

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest655178

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest405260

1906The Lost CivilizationUral Championship 2012115281

1365Testing CalculatorUral Championship 2005. Round 2625369

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest175440

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest605547

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest375596

1372Death StarUral Championship 2005. Round 1575794

1848Fly HuntPetrozavodsk Summer 2010. USU Contest155900

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316081

1842Local RootsPetrozavodsk Summer 2010. USU Contest146145

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446371

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296529

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest286561

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276676

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest156794

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest286921

1363HalftonesUral Championship 2005. Round 2447158

1548Sakura and StatisticsUral Championship 2007347241

1653Death ConveyorNEERC 2008 Eastern Subregional257275

1596Knight Mare77711

1536Delights of Pipe-weedUSU Personal Contest 2007317914

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup18064

1432Twofold LuckUSU Personal Contest 2006348427

1840Victim of AdvertisingUral Championship 201188948

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199069

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179149

1376Dean's Pyramid 2Ural Championship 2005. Round 1329243

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest229388

1415Mobile LifeUSU Championship 20052810164

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310446

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1310740

1374MisereUral Championship 2005. Round 12311764

1708Sum of Digits 2Ural Championship 20091011896

1399Economical Director1612759

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2012944

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2012944

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313061

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314174

1369Cockroach RaceUral Championship 2005. Round 21316806

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1118491

1589SokobanNEERC 2007 Eastern Subregional322795

1394Ships. Version 2232362