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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6347819

1001Reverse Root1761119

1785Lost in LocalizationUral Regional School Programming Contest 2010960219

1293EniyaSpring School Contest 20041648023

1877Bicycle CodesUral Regional School Programming Contest 2011649423

1409Two GangstersAutumn School Contest 20051580825

1820Ural SteaksUSU Personal Contest 2011616428

1787Turn for MEGAUral Regional School Programming Contest 2010608731

1264WorkdaysAutumn School Contest 20031174732

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011471532

1197Lonesome KnightSpring School Contest 20021100633

2001Mathematicians and BerriesUral Regional School Programming Contest 2013250733

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional338935

1639Chocolate 2Autumn School Contest 2008694138

1924Four ImpsUral Regional School Programming Contest 2012305438

2012About Grisha N.NEERC 2014 Eastern Subregional130241

1313Some Words about SportUral Championship 2004. Round 1886443

1068Sum2277345

12091, 10, 100, 1000...Autumn School Contest 2002829345

1319HotelUral Championship 2004. Round 2829446

1567SMS-spamUSU Championship 2007666146

1581TeamworkAutumn School Contest 2007646947

1225FlagsNEERC 2002 Central Subregional742250

1263ElectionsAutumn School Contest 2003751551

1585PenguinsNEERC 2007 Eastern Subregional588751

1881Long problem statementUral Regional School Programming Contest 2011290452

1876Centipede's MorningUral Regional School Programming Contest 2011286853

1100Final StandingsTetrahedron Team Online Contest May 2001669454

1991The battle near the swampNEERC 2013 Eastern Subregional156654

1893A380NEERC 2011 Eastern Subregional273355

1327FusesAutumn School Contest 2004697756

1110PowerBulgarian Online Contest September 2001629658

1243Divorce of the Seven DwarfsUSU Personal Contest 2003646158

1493One Step from HappinessAutumn School Contest 2006593758

1349FarmSpring School Contest 2005657759

1607TaxiUSU Personal Contest 2008471461

1925British Scientists Save the WorldUral Regional School Programming Contest 2012191661

2023Donald is a postmanNEERC 2014 Eastern Subregional87561

1545HieroglyphsUral Championship 2007523262

1496SpammerAutumn School Contest 2006549963

1636Penalty TimeUSU Championship 2008413463

1149Sinus Dances546767

1196History ExamSpring School Contest 2002550667

1837Isenbaev's NumberUral Championship 2011249567

1617Flat SpotsUral Championship 2008417568

2005Taxi for ProgrammersUral Regional School Programming Contest 2013121668

1723Sandro's BookUral Regional School Programming Contest 2009324769

1563BayanUSU Championship 2007434170

1654Cipher MessageNEERC 2008 Eastern Subregional372270

1131CopyingUSU Championship 2001511671

1457Heating MainTimus Top Coders: Second Challenge509672

2002Test TaskUral Regional School Programming Contest 2013114372

1025Democracy in DangerAutumn School Contest 20001542673

1792Hamming CodeUral Regional School Programming Contest 2010254673

1224SpiralNEERC 2002 Central Subregional505674

1935Tears of DrownedUral FU Championship 2012156074

2011Long StatementUral Regional School Programming Contest 2013111374

1712Cipher GrilleNEERC 2009 Eastern Subregional293376

1083Factorials!!!Spring School Contest 20011267578

2035Another Dress RehearsalUral Regional School Programming Contest 201464781

1502Domino DotsNEERC 2006 Eastern Subregional418882

1194HandshakesSpring School Contest 2002442583

1902Neo-VeniceUral Championship 2012139984

1139City BlocksNEERC 2001 Central Subregional429885

1638BookwormUSU Championship 2008309385

1106Two TeamsTetrahedron Team Online Contest May 2001419486

1120Sum of Sequential NumbersAutumn School Contest 2001421686

1290SabotageSpring School Contest 2004444386

1404Easy to Hack!Autumn School Contest 2005452487

1180Stone GameUSU Personal Contest 2002406490

1796Amusement ParkUral Regional School Programming Contest 2010203891

1786Sandro's BiographyUral Regional School Programming Contest 2010200193

1161StripiesNEERC 2001 Northern Subregional389194

1601AntiCAPSUSU Personal Contest 2008306694

16421D MazeAutumn School Contest 2008275894

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201387994

1510OrderNEERC 2006 Eastern Subregional362295

1119MetroAutumn School Contest 2001377896

1005Stone PileUSU Championship 19971160997

1644A Whole Lot of WalnutsAutumn School Contest 2008267997

1731DillUral Regional School Programming Contest 2009230797

1009K-based NumbersUSU Championship 19971147398

1297PalindromeSpring School Contest 2004389698

2031Overturned NumbersUral Regional School Programming Contest 201453298

1446Sorting HatUral Championship 2006375599

1873GOV ChroniclesUral Regional School Programming Contest 20111498100

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013559101

1146Maximum SumDSAP Vietnam Online Contest November 20013551103

1214Strange ProcedureAutumn School Contest 20023633103

1370MagicianUral Championship 2005. Round 23805103

1777AnindilyakwaUral SU Championship 20101817103

1228ArrayNEERC 2002 Central Subregional3590104

2033DevicesUral Regional School Programming Contest 2014486107

1020RopeAutumn School Contest 200010350108

1136ParliamentNEERC 2001 Central Subregional3360109

1573AlchemyAutumn School Contest 20072773109

1014Product of DigitsUSU Local Contest. 199910165110

1118Nontrivial NumbersAutumn School Contest 20013323110

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional480111

1082Gaby IvanushkaSpring School Contest 20018827112

1203Scientific ConferenceUSU Local Contest. March 20023279112

1330IntervalsAutumn School Contest 20043467112

2000Grand Theft Array VUral Regional School Programming Contest 2013723113

2025Line FightingUral Regional School Programming Contest 2014458113

1296HyperjumpSpring School Contest 20043374114

1192Ball in a DreamSpring School Contest 20023185115

1044Lucky Tickets. Easy!USU Championship 20009505116

1079MaximumWinter Mathematical Festival Varna 20018603116

1582BookmakersNEERC 2007 Eastern Subregional2596116

1226esreveR redrONEERC 2002 Central Subregional3152118

1711Code NamesNEERC 2009 Eastern Subregional1881119

1868Prediction ContestUral FU Championship 20111250120

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023042121

1219Symbolic SequenceUSU Championship 20023073121

1126Magnetic StormsUSU Championship 20012981122

1086CryptographySpring School Contest 20017818126

1123SalaryAutumn School Contest 20012894126

1683FridgeUSU Personal Contest 20091957126

1931Excellent TeamUral FU Championship 2012902127

1688Team.GOV!USU Personal Contest 20091926128

1984Dummy GuyOpen Ural FU Championship 2013653128

1353Milliard Vasya's FunctionSpring School Contest 20053013129

1964Chinese DialectsUral FU Personal Contest 2013723130

1336Problem of Ben BetsalelAutumn School Contest 20042957131

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional632131

1283DwarfUSU Personal Contest 20042899132

1725Sold Out!Ural Regional School Programming Contest 20091683132

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101395133

1022Genealogical TreeAutumn School Contest 20008291135

1260Nudnik PhotographerAutumn School Contest 20032806135

1021Sacrament of the SumAutumn School Contest 20008144137

1352Mersenne PrimesSpring School Contest 20052820138

1740Deer is Better!USU Championship 20091603138

1864Get-Together at Den'sUral FU Championship 20111077140

1222Chernobyl’ EaglesUSU Championship 20022643141

1026Questions and AnswersAutumn School Contest 20007879142

1612Tram ForumUral Championship 20081997142

1821BiathlonUSU Personal Contest 20111204142

1142RelationsDSAP Vietnam Online Contest November 20012557143

1982Electrification PlanOpen Ural FU Championship 2013584143

1402CocktailsAutumn School Contest 20052730144

1576Telephone TariffsAutumn School Contest 20072070146

1878Rubinchik's CubeUral Regional School Programming Contest 20111004149

1084Goat in the GardenSpring School Contest 20016589150

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional773150

1756One and a Half DiggersUSU Personal Contest 20101362152

1178Akbardin’s RoadsUSU Personal Contest 20022394153

1572Yekaterinozavodsk Great WellAutumn School Contest 20071916158

2018The Debut AlbumNEERC 2014 Eastern Subregional334158

1306Sequence MedianUral Championship 19982401160

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional722160

1944Record of the Attack at the OrbitUral FU Personal Contest 2012678161

1210Kind SpiritsAutumn School Contest 20022280163

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101134163

1874Football GoalUral Regional School Programming Contest 2011918163

1073Square CountryUSU Personal Contest 20016129164

1135RecruitsNEERC 2001 Central Subregional2216164

1157Young TilerUral Championship 2001. Round 22213165

1295Crazy NotionsSpring School Contest 20042322165

1769Old Ural LegendUral Championship 20101227166

1869New Year CruiseUral FU Championship 2011903166

1017StaircasesUSU Local Contest. 19996728167

1167Bicolored HorsesRomanian Online Contest December 20012188167

1800Murphy's LawNEERC 2010 Eastern Subregional1098167

1506Columns of NumbersNEERC 2006 Eastern Subregional2039168

1709Penguin-AviaUral Championship 20091444168

1213Cockroaches!Autumn School Contest 20022191170

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091305170

1012K-based Numbers. Version 26556171

1789Searching for the DodecahedronUral Regional School Programming Contest 20101073173

1280Topological SortingNEERC 2003 Central Subregional2180174

1640Circle of WinterAutumn School Contest 20081491174

1685OrthographyUSU Personal Contest 20091407175

1413Mars JumperUSU Championship 20052195177

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional295178

1048Superlong SumsUSU Local Contest. March 20006057180

1354Palindrome. Again PalindromeSpring School Contest 20052162180

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1430181

1193Queue at the ExamSpring School Contest 20022012182

1335White ThesisAutumn School Contest 20042129182

1134CardsNEERC 2001 Central Subregional1988183

1272Non-Yekaterinburg SubwayUSU Championship 20032072183

1613For Fans of StatisticsUral Championship 20081529185

1930Ivan's CarUral Regional School Programming Contest 2012622185

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional284185

1102Strange DialogTetrahedron Team Online Contest May 20011929187

1164FillwordNEERC 2001 Northern Subregional1954187

1645Ski RaceAutumn School Contest 20081383188

1586Threeprime NumbersNEERC 2007 Eastern Subregional1592189

1846GCD 2010Petrozavodsk Summer 2010. USU Contest799191

1885Passenger ComfortNEERC 2011 Eastern Subregional779191

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1310192

1114BoxesBulgarian Online Contest September 20011882193

1208Legendary Teams ContestUSU Local Contest. March 20021898193

1138Integer PercentageNEERC 2001 Central Subregional1847197

1207Median on the PlaneUSU Local Contest. March 20021863197

1023ButtonsAutumn School Contest 20005648198

1133Fibonacci SequenceNEERC 2001 Central Subregional1838198

1680The First NonqualifyingUSU Personal Contest 20091241198

1112CoverBulgarian Online Contest September 20011809201

1423String TaleTimus Top Coders: First Challenge1831205

1002Phone NumbersCentral European Olympiad in Informatics 19995341210

1249Ancient NecropolisUSU Local Contest. March 20031789210

1998The old PadawanNEERC 2013 Eastern Subregional392210

1922Superhero TeamUral Regional School Programming Contest 2012544211

1737Mnemonics and Palindromes 3USU Championship 20091036212

1200Horns and HoofsUSU Local Contest. March 20021713214

1348Goat in the Garden 2Spring School Contest 20051820214

1152False MirrorsUral Championship 2001. Round 21699215

2024Adventure TimeUral Regional School Programming Contest 2014237215

1515CashmasterTimus Top Coders: Third Challenge1550217

1889Airport AnnouncementsNEERC 2011 Eastern Subregional680218

1052Rabbit HuntUSU Local Contest. March 20004984219

2003Simple MagicUral Regional School Programming Contest 2013369219

1011ConductorsUSU Championship 19975113220

1987Nested SegmentsOpen Ural FU Championship 2013377220

1981Parallel and PerpendicularOpen Ural FU Championship 2013369224

1125HopscotchUSU Championship 20011613225

1491Unreal StoryAutumn School Contest 20061531225

1490Fire CircleAutumn School Contest 20061518227

1033LabyrinthUral Championship 19994900228

1024PermutationsAutumn School Contest 20004865230

1183Brackets SequenceNEERC 20011575233

1795Husband in a ShopUral Regional School Programming Contest 2010794233

1049Brave BalloonistsUSU Local Contest. March 20004673234

1333Genie Bomber 2Autumn School Contest 20041648234

1826MinefieldUSU Personal Contest 2011715237

1150Page NumbersUral Championship 2001. Round 21523239

1122GameAutumn School Contest 20011508241

1191Catch the thief!Spring School Contest 20021520241

1635Mnemonics and PalindromesUSU Championship 20081080241

2021Scarily interesting!NEERC 2014 Eastern Subregional215241

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012473242

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1597245

1247Check a SequenceUSU Personal Contest 20031522246

1779The Great TeamUral SU Championship 2010752246

1108HeritageBulgarian Online Contest September 20011470247

1355Bald Spot RevisitedSpring School Contest 20051575247

1113JeepBulgarian Online Contest September 20011463248

1603EruditeUSU Personal Contest 20081151248

1204IdempotentsUSU Local Contest. March 20021474249

1205By the Underground or by Foot?USU Local Contest. March 20021472249

1242WerewolfUSU Personal Contest 20031496250

1718RejudgeNEERC 2009 Eastern Subregional888250

1933Guns for Battle!Ural FU Championship 2012452250

1010Discrete FunctionUSTU PhysTech Cup 20004472251

1433DiamondsUSU Personal Contest 20061470254

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013895255

1298KnightSpring School Contest 20041486257

1823Ideal GasUSU Personal Contest 2011659257

1494MonobilliardsAutumn School Contest 20061337258

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1275258

1195Ouths and CrossesSpring School Contest 20021393263

1726VisitsUral Regional School Programming Contest 2009841263

1080Map ColoringWinter Mathematical Festival Varna 20013730267

1087The Time to Take StonesSpring School Contest 20013692267

1303Minimal CoverageUral Championship 19981429267

1047Simple CalculationsUSU Local Contest. March 20004060269

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031392269

1028StarsUral Championship 19994133270

1109ConferenceBulgarian Online Contest September 20011342270

1989SubpalindromesOpen Ural FU Championship 2013305270

1179Numbers in TextUSU Personal Contest 20021332274

1220StacksUSU Championship 20021354274

1117HierarchyAutumn School Contest 20011306278

1904The Lessons of the PastUral Championship 2012412280

1658Sum of DigitsNEERC 2008 Eastern Subregional916282

1537EntsUSU Personal Contest 20071155283

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional643284

1053PinocchioNEERC 2000 Central Subregional3819285

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional286285

1032Find a MultipleUral Championship 19993404286

1471TreePetrozavodsk Summer 2006. Ural+Orel Contest1210286

1590Bacon’s CipherNEERC 2007 Eastern Subregional1040288

1684Jack's Last WordUSU Personal Contest 2009852288

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest731288

1244GentlemenUSU Personal Contest 20031293289

1941Scary Martian WordUral FU Personal Contest 2012372289

1211Collective GuaranteeAutumn School Contest 20021272291

1497Cutting a SquareAutumn School Contest 20061183291

1741Communication FiendUSU Championship 2009752291

1018Binary Apple TreeUSU Local Contest. 19993817293

1184Cable MasterNEERC 20011243294

1551Sumo TournamentUral Championship 20071086296

1753BookshelfUSU Personal Contest 2010689298

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014168298

1377Lara CroftUral Championship 2005. Round 11301300

1501Sense of BeautyNEERC 2006 Eastern Subregional1137301

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1147302

1793Tray 2Ural Regional School Programming Contest 2010606303

1995Illegal spicesNEERC 2013 Eastern Subregional267305

1215Exactness of Projectile HitAutumn School Contest 20021207307

1116Piecewise Constant FunctionAutumn School Contest 20011170310

1127Colored BricksUSU Championship 20011162312

1036Lucky Tickets3558313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest673313

1934Black SpotUral FU Championship 2012356316

1121BranchesAutumn School Contest 20011144317

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest767317

1008Image EncodingUSTU PhysTech Cup 20003528318

1190Bar of ChocolateSpring School Contest 20021149318

1901Space ElevatorsUral Championship 2012361318

1153SupercomputerUral Championship 2001. Round 21127322

1294Mars SatellitesSpring School Contest 20041181323

1302Delta-waveUral Championship 19981170326

1588JamaicaNEERC 2007 Eastern Subregional913327

1124MosaicUSU Championship 20011103328

1648YachtsAutumn School Contest 2008787328

1029MinistryUral Championship 19992962329

2026Dean and ScheduleUral Regional School Programming Contest 2014151330

1060Flip GameNEERC 20003116332

1923Scary PoliticsUral Regional School Programming Contest 2012341333

1963KiteUral FU Personal Contest 2013276334

1604Country of FoolsUSU Personal Contest 2008849335

1137Bus RoutesNEERC 2001 Central Subregional1073338

1201Which Day Is It?USU Local Contest. March 20021075340

1227Rally ChampionshipNEERC 2002 Central Subregional1089340

1406Next NumberAutumn School Contest 20051135343

1031Railway TicketsUral Championship 19993241344

1320Graph DecompositionUral Championship 2004. Round 21108344

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest437344

1185WallNEERC 20011060345

1828Approximation by a ProgressionUSU Personal Contest 2011488345

1223Chernobyl’ Eagle on a RoofUSU Championship 20021064348

1140Swamp IncidentNEERC 2001 Central Subregional1035350

1483Table FootballUSU Championship 2006978352

1090In the Army NowUSU Local Contest. March 20012652353

1262Pseudo-Roman NumberAutumn School Contest 20031067354

1759Long-LiversUSU Personal Contest 2010577355

1007Code WordsUSU Championship 19973148356

2034CaravansUral Regional School Programming Contest 2014139356

1521War Games 2Timus Top Coders: Third Challenge940357

1218Episode N-th: The Jedi TournamentUSU Championship 20021033358

1783Nuclear Arms RaceUral SU Championship 2010514358

1160NetworkNEERC 2001 Northern Subregional1029361

1450Russian PipelinesTimus Top Coders: Second Challenge1011361

1282Game TreeNEERC 2003 Central Subregional1044362

1055CombinationsNEERC 2000 Central Subregional2999363

1261TipsAutumn School Contest 20031040363

1292Mars Space StationsSpring School Contest 20041048363

1517Freedom of ChoiceTimus Top Coders: Third Challenge920365

1631Drunk King 2USU Championship 2008709366

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014135366

1156Two RoundsUral Championship 2001. Round 2990367

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional400367

1574Mathematicians and bracketsAutumn School Contest 2007816368

1431DiplomasUSU Personal Contest 20061005370

1992CVSNEERC 2013 Eastern Subregional218370

1246Tethered DogUSU Personal Contest 20031005371

1403CourierAutumn School Contest 20051049371

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional136372

1860FiborialPetrozavodsk Summer 2011. USU Contest402373

1942Attack at the OrbitUral FU Personal Contest 2012286373

1651Shortest SubchainNEERC 2008 Eastern Subregional686375

1346Intervals of MonotonicityUSU Championship 20041029376

1078SegmentsWinter Mathematical Festival Varna 20012627378

1229Strong BrickworkNEERC 2002 Central Subregional979378

1039Anniversary PartyUSU Championship 20002896381

1774Barber of the Army of MagesUral SU Championship 2010482381

1562GM-pineappleUSU Championship 2007787382

1259How to Become Star?Autumn School Contest 2003985383

1015Test the Difference!USU Local Contest. 19992897386

1003ParityCentral European Olympiad in Informatics 19992899387

1489Points on a ParallelepipedAutumn School Contest 2006880390

1115ShipsBulgarian Online Contest September 2001924391

1176HyperchannelsUSU Personal Contest 2002932391

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest642392

1279WarehouseNEERC 2003 Central Subregional962393

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional288394

1094E-screenUSU Local Contest. March 20012373395

1407One-two, One-twoAutumn School Contest 2005983396

1971Graphics SettingsUral Championship 2013222396

1217Unlucky TicketsUSU Championship 2002931397

1427SMSTimus Top Coders: First Challenge936399

1289One Way TicketUSU Personal Contest 2004948401

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest817401

1732Ministry of TruthUSU Championship 2009544401

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest521402

1111SquaresBulgarian Online Contest September 2001896403

1356Something EasierSpring School Contest 2005957404

1571InterpretersUSU Championship 2007739406

1038Spell CheckerUSU Championship 20002714407

1141RSA Attack888408

1107Warehouse ProblemTetrahedron Team Online Contest May 2001875409

1287Mars CanalsUSU Personal Contest 2004928409

1480CouponsUSU Championship 2006835412

1350CanteenSpring School Contest 2005937413

1495One-two, One-two 2Autumn School Contest 2006829413

1602ElevatorUSU Personal Contest 2008687413

1089Verification with a VocabularySpring School Contest 20012357418

1700AwakeningUral Championship 2009574418

1077Travelling Tours856422

1128Partition into GroupsUSU Championship 2001855423

1202Rectangles TravelUSU Local Contest. March 2002860424

1513Lemon TaleTimus Top Coders: Third Challenge788425

1776Anniversary FireworkUral SU Championship 2010431425

1181Cutting a Painted PolygonUSU Personal Contest 2002854426

1507Difficult DecisionNEERC 2006 Eastern Subregional797428

1291Gear-wheelsSpring School Contest 2004885429

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional423429

1019Line PaintingUSU Local Contest. 19992599430

2009Canteen LineUral Regional School Programming Contest 2013183431

1252Sorting the TombstonesUSU Local Contest. March 2003861433

2030Awesome Backup SystemUral Regional School Programming Contest 2014112435

1641DutiesAutumn School Contest 2008590436

1890Money out of Thin AirNEERC 2011 Eastern Subregional333439

1221Malevich Strikes Back!USU Championship 2002840440

1051Simple Game on a GridUSU Local Contest. March 20002465442

1519Formula 1Timus Top Coders: Third Challenge756443

1416ConfidentialUSU Championship 2005868446

1643Attack of the Dark FortressAutumn School Contest 2008573448

1728Curse on Team.GOVUral Regional School Programming Contest 2009489448

1129Door PaintingUSU Championship 2001802450

1980Road to InvestorUral Championship 2013194450

2004Scientists from SpilkovoUral Regional School Programming Contest 2013174452

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001796454

1258PoolAutumn School Contest 2003830454

1072RoutingUSU Personal Contest 20012184459

1410CrackUSU Championship 2005843459

1189Pairs of IntegersNEERC 2001791460

1871Seismic WavesUral FU Championship 2011318463

1535The Hobbit or There and Back AgainUSU Personal Contest 2007698466

1900Brainwashing DeviceUral Championship 2012243467

1091Tmutarakan ExamsUSU Local Contest. March 20011985471

1162Currency ExchangeNEERC 2001 Northern Subregional769471

1870Zinium 2Ural FU Championship 2011311473

1928Another Ecology ProblemUral Regional School Programming Contest 2012237473

1428Jedi RiddleTimus Top Coders: First Challenge787474

1884Way to the UniversityUral Regional School Programming Contest 2011309474

1990PodracingNEERC 2013 Eastern Subregional168474

1891Language OceanNEERC 2011 Eastern Subregional306476

1236Decoding TaskNEERC 2002774478

1525PathPetrozavodsk Winter 2007. D.Gozman Contest683478

1628White StreaksUSU Championship 2008540478

1343Fairy TaleUSU Championship 2004806479

1729Dead Man's ChestUral Regional School Programming Contest 2009454482

1098Questions1846484

1095Nikifor 3USU Local Contest. March 20011925486

1754Explosion in a PyramidUSU Personal Contest 2010419486

2028URCAPL, Episode 2Ural Regional School Programming Contest 201499487

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional449489

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional101489

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest95489

1155TroubleduonsUral Championship 2001. Round 2736491

1013K-based Numbers. Version 3107492

1066GarlandNEERC 20002096492

1212BattleshipAutumn School Contest 2002749492

1273TieUSU Championship 2003765492

1579Coat TransportationAutumn School Contest 2007604495

1103Pencils and CirclesTetrahedron Team Online Contest May 2001720496

1401GamersAutumn School Contest 2005783496

1962In Chinese RestaurantUral FU Personal Contest 2013182497

1838Samurai's StrokeUral Championship 2011327498

1329Galactic HistoryAutumn School Contest 2004769499

1966Cycling RoadsUral FU Personal Contest 2013181500

1430Crime and PunishmentTimus Top Coders: First Challenge739504

1056Computer NetNEERC 2000 Central Subregional2152505

1182Team Them Up!NEERC 2001720505

1326Bottle TapsUral Championship 2004. Round 2751506

1316Electronic AuctionUral Championship 2004. Round 1745510

1158Censored!NEERC 2001 Northern Subregional705513

1939First SealUral FU Championship 2012215514

1803The Czechs' RiflesNEERC 2010 Eastern Subregional350515

1322SpyUral Championship 2004. Round 2736516

1238FoldingNEERC 2002716517

1334CheckersAutumn School Contest 2004735521

1366PresentsUral Championship 2005. Round 2738523

1069Prufer CodeUSU Personal Contest 20011907526

1577E-mailAutumn School Contest 2007566527

1143Electric PathDSAP Vietnam Online Contest November 2001683528

1045Funny GameUSU Local Contest. March 20002053531

1806Mobile TelegraphsNEERC 2010 Eastern Subregional339532

1994The Emperor's planNEERC 2013 Eastern Subregional148534

1866Poetic FootUral FU Championship 2011274535

1400Cellular CharactersAutumn School Contest 2005723536

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 201489536

1600AirportUSU Personal Contest 2008526537

1314Chase in SubwayUral Championship 2004. Round 1704539

1439Battle with You-Know-WhoUral Championship 2006679540

1903Unidentified ShipsUral Championship 2012208542

1027D++ AgainAutumn School Contest 20002055543

1101Robot in the FieldTetrahedron Team Online Contest May 2001657543

1892Morning in KoltsovoNEERC 2011 Eastern Subregional267543

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional205546

1710Boris, You Are Wrong!Ural Championship 2009435549

1064Binary SearchNEERC 20001875550

1767The House of Doctor DeeUral Championship 2010364550

1414Astronomical DatabaseUSU Championship 2005698553

1605Devil's SequenceUSU Personal Contest 2008510553

1061Buffer ManagerNEERC 20001846558

1550Dean's Pyramid 3Ural Championship 2007571558

2008SwiftyUral Regional School Programming Contest 2013139558

1713Key SubstringsNEERC 2009 Eastern Subregional391560

1071Nikifor 2USU Personal Contest 20011785561

1085MeetingSpring School Contest 20011752561

1004Sightseeing TripCentral European Olympiad in Informatics 19991993563

1698Square Country 5Petrozavodsk Winter 2009. USU Contest427564

1059ExpressionNEERC 2000 Central Subregional1922566

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005679567

1701Ostap and PartnersUral Championship 2009421567

1822Hugo II's WarUSU Personal Contest 2011293567

1650BillionairesNEERC 2008 Eastern Subregional449568

1198Jobbery681569

1932The Secret of IdentifierUral FU Championship 2012193569

1437Gasoline StationUSU Personal Contest 2006644575

1534Football in GondorUSU Personal Contest 2007564575

1940Not So Simple YearsUral FU Championship 2012191575

1362Classmates 2Ural Championship 2005. Round 2670576

1760Infernal WorkUSU Personal Contest 2010352576

1070Local TimeUSU Personal Contest 20011725581

1445Christmas giftsUral Championship 2006631581

1592Chinese WatchesNEERC 2007 Eastern Subregional510581

1448Lighting in HogwartsUral Championship 2006630582

1659Regular TrianglesNEERC 2008 Eastern Subregional437583

1682Crazy ProfessorUSU Personal Contest 2009415583

1421Credit OperationsTimus Top Coders: First Challenge634586

1172Ship RoutesRomanian Online Contest December 2001615587

1375Bill CleversUral Championship 2005. Round 1660587

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest447589

1690Army of MagesPetrozavodsk Winter 2009. USU Contest408589

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest509590

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest506593

1706Cipher Message 2Ural Championship 2009401594

1943Space RummyUral FU Personal Contest 2012176594

1054Hanoi TowerNEERC 2000 Central Subregional1814599

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest247599

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012184602

1961Cantonese DialectUral FU Personal Contest 2013147608

1974Similar TunesUral Championship 2013141608

1067Disk TreeNEERC 20001683612

1358CablesSpring School Contest 2005629612

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup147612

1325DirtUral Championship 2004. Round 2612619

1309DisputeUral Championship 2004. Round 1610621

1986Paul’s SaladsOpen Ural FU Championship 2013126625

1832Arirang ShowUral Championship 2011257629

1872Spacious OfficeUral FU Championship 2011231630

1076Trash1578631

1465Pawn GamePetrozavodsk Winter 2006. USU Contest552631

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional176632

1755CakeUSU Personal Contest 2010319634

1096Get the Right Route Plate!USU Local Contest. March 20011471635

1234BricksNEERC 2002578637

1174Weird PermutationsRomanian Online Contest December 2001562641

1606SlalomUSU Personal Contest 2008438642

1988Planet Ocean LandingOpen Ural FU Championship 2013122644

1088Ilya MurometzSpring School Contest 20011522645

1773Metro to Every HomeUral Championship 2010309645

1248Sequence SumUSU Personal Contest 2003573646

1254Die HardUSU Local Contest. March 2003573646

1253NecrologuesUSU Local Contest. March 2003572648

1186Chemical ReactionsNEERC 2001554653

1443RailsUral Championship 2006559654

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009332654

1542AutocompletionUral Championship 2007484656

1633HippogriffsUSU Championship 2008390657

1830Help in the RNOSUral Championship 2011245658

1452Pascal vs. C++Timus Top Coders: Second Challenge547662

1564Counting OnesUSU Championship 2007448665

1875Angry BirdsUral Regional School Programming Contest 2011217666

1332Genie BomberAutumn School Contest 2004567673

1500Pass LicensesNEERC 2006 Eastern Subregional498679

1440Training ScheduleUral Championship 2006533685

1629TripUSU Championship 2008373687

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest498688

1772Ski-Trails for RobotsUral Championship 2010288690

1371Cargo AgencyUral Championship 2005. Round 1555696

2017Best of a bad lotNEERC 2014 Eastern Subregional68696

1996Cipher Message 3NEERC 2013 Eastern Subregional111697

1486Equal SquaresUSU Championship 2006488698

1775Space BowlingUral SU Championship 2010259698

1780Gray CodeUral SU Championship 2010258700

1034Queens in Peaceful PositionsUral Championship 19991584701

1301Cube in LabyrinthUral Championship 1998537703

1230Introspective ProgramNEERC 2002 Central Subregional521704

1274Fractional ArithmeticNEERC 2003 Central Subregional532705

1286Starship TravelUSU Personal Contest 2004534706

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional253706

1168Radio StationsRomanian Online Contest December 2001502717

1611DecimationUral Championship 2008386718

1037Memory ManagementUSU Championship 20001530719

1927Herbs and MagicUral Regional School Programming Contest 2012152721

1057Amount of DegreesNEERC 2000 Central Subregional1496726

1305Convex HullUral Championship 1998519727

1235Cricket FieldNEERC 2002505728

1016Cube on the WalkUSU Local Contest. 19991528729

1159FenceNEERC 2001 Northern Subregional492731

1405Goat in the Garden 5Autumn School Contest 2005528731

1646Godzilla Strikes Back!Autumn School Contest 2008347732

1614National Project “Trams”Ural Championship 2008378733

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest407734

1738Computer SecurityUSU Championship 2009291738

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest463739

1250Sea BurialUSU Local Contest. March 2003498742

1132Square Root482744

1587Flying PigNEERC 2007 Eastern Subregional394748

1936RoshamboUral FU Championship 2012144750

1905Travel in TimeUral Championship 2012147752

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest461753

1825Ifrit Bomber 2USU Personal Contest 2011218754

1512ZiniumTimus Top Coders: Third Challenge437759

1716Alternative SolutionNEERC 2009 Eastern Subregional285761

1424MinibusTimus Top Coders: First Challenge484765

1484Film RatingUSU Championship 2006444766

1169PairsRomanian Online Contest December 2001468767

1042Central HeatingUSU Championship 20001419775

1689Fisherman and BarbellUSU Personal Contest 2009310775

1392Dreaming of Stars494780

1434Buses in VasyukiUSU Personal Contest 2006470783

1948The Robot on the LineUral FU Personal Contest 2012131784

1705Gangster HaresUral Championship 2009301785

1720Summit Online JudgeNEERC 2009 Eastern Subregional276785

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest214788

1547Password SearchUral Championship 2007398794

1921Chaos and OrderUral Regional School Programming Contest 2012137795

1165SubnumberNEERC 2001 Northern Subregional449799

1715Another Ball KillerNEERC 2009 Eastern Subregional270801

1030TitanicUral Championship 19991384802

1647Divide an Island!Autumn School Contest 2008315804

1276TrainNEERC 2003 Central Subregional464806

1456Jedi Riddle 2Timus Top Coders: Second Challenge447807

1593Square Country. Version 2300808

1970皇后像廣場Ural FU Personal Contest 2013108809

1268Little ChuUSU Championship 2003456819

1824Ifrit BomberUSU Personal Contest 2011200819

1979Resources DistributionUral Championship 2013102819

1105Observers ColoringTetrahedron Team Online Contest May 2001430823

1269Obscene Words FilterUSU Championship 2003453824

1630TalismanUSU Championship 2008308827

1976Game OptimizationUral Championship 2013101827

1883Ent's BirthdayUral Regional School Programming Contest 2011172831

1608Lucky Tickets 2008Ural Championship 2008332832

1983Nectar GatheringOpen Ural FU Championship 201392833

1379Cups TransportationUral Championship 2005. Round 1460837

1949The Best Picture in the GalaxyUral FU Personal Contest 2012122837

1836Babel FishUral Championship 2011190839

1154Mages ContestUral Championship 2001. Round 2423847

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest453849

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup103851

1761Binary PalindromeUSU Personal Contest 2010235852

1147Shaping RegionsDSAP Vietnam Online Contest November 2001419854

1006Square FramesUSU Championship 19971298860

1436BillboardUSU Personal Contest 2006427860

1498Stroke at Full SpeedAutumn School Contest 2006393861

1323ClassmatesUral Championship 2004. Round 2436863

1233Amusing NumbersNEERC 2002423866

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest236868

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest371870

1324Extra SpacesUral Championship 2004. Round 2431873

1578Mammoth HuntAutumn School Contest 2007337875

1937Davy Jones’s OrganUral FU Championship 2012122875

1863Peaceful AtomUral FU Championship 2011163878

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest295882

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest164884

1342EnterpriseUSU Championship 2004430888

1373Pictura ex MachinaUral Championship 2005. Round 1432890

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest386896

1245PicturesUSU Personal Contest 2003409899

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest227901

1277Cops and ThievesNEERC 2003 Central Subregional412905

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest262906

1580Dean's DebtsAutumn School Contest 2007323912

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest46916

1887Frequent Flyer CardNEERC 2011 Eastern Subregional154918

1364LaraKillerUral Championship 2005. Round 2416919

1879GOV-internship 2Ural Regional School Programming Contest 2011154922

1278“… Connecting People”NEERC 2003 Central Subregional402927

1285Thread in a HyperspaceUSU Personal Contest 2004404928

1575Yekaterinburg Subway 2Autumn School Contest 2007317929

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest45933

1237Evacuation PlanNEERC 2002392934

1827Indigenous WarsUSU Personal Contest 2011174934

1862Very Wealthy MoleUral FU Championship 2011152937

1907Coffee and BunsUral Championship 2012116937

1730ManBearPigUral Regional School Programming Contest 2009228940

1784RoundersUral SU Championship 2010189943

1422FirefliesTimus Top Coders: First Challenge389947

1965Pear TreesUral FU Personal Contest 201390955

1768Circular StringsUral Championship 2010205957

1398Bishop and Pawn342959

1175Strange SequenceUSU Personal Contest 2002373962

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional112963

1569Networking the “Iset”USU Championship 2007305967

1151RadiobeaconsUral Championship 2001. Round 2366975

1040Airline CompanyUSU Championship 20001123978

1451Beerhouse TaleTimus Top Coders: Second Challenge365983

1591Abstract ThinkingNEERC 2007 Eastern Subregional297984

1968Glass PyramidUral FU Personal Contest 201387984

1722Observation DeckUral Regional School Programming Contest 2009217985

1331VladislavaAutumn School Contest 2004384986

1418Military StoryUSU Championship 2005387986

1130Nikifor's WalkUSU Championship 2001360988

1985Prime SquareOpen Ural FU Championship 201376988

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest299991

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest347993

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest244997

1435Financial ErrorUSU Personal Contest 20063661000

2007Mutants versus MachinesUral Regional School Programming Contest 2013731002

1339BabiesUSU Championship 20043791004

1311Stable ConstructionUral Championship 2004. Round 13701013

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101741016

1570Eating HighUSU Championship 20072881022

1539Intelligence DataUSU Personal Contest 20073111028

1687Numismatics for FunUSU Personal Contest 20092311029

1075Thread in a SpaceUSU Personal Contest 20019621037

1790Searching for the TruthUral Regional School Programming Contest 20101681050

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1371050

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1931052

1518Jedi Riddle 3Timus Top Coders: Third Challenge3111057

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1531083

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1531083

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest371091

1317HailUral Championship 2004. Round 23421094

1511Fiscal OperationsTimus Top Coders: Third Challenge2991098

1173Lazy SnailRomanian Online Contest December 20013221105

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1831107

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2181120

1341DeviceUSU Championship 20043351132

1766Humpty DumptyUral Championship 20101711136

1627JoinPetrozavodsk Winter 2008. ITMO Contest2261140

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3321150

1357Teakettle 1.0 for DummiesSpring School Contest 20053291153

1458War GamesTimus Top Coders: Second Challenge3091156

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup731158

1544Classmates 3Ural Championship 20072691162

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2021162

1447Portkey NetworkUral Championship 20063081170

1408Polynomial MultiplicationAutumn School Contest 20053251174

1807Cartridges for MaximNEERC 2010 Eastern Subregional1481175

1947MeanderUral FU Personal Contest 2012841175

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871176

1444ElephpotamusUral Championship 20063061178

1946Chinese Hockey 3Ural FU Personal Contest 2012831188

1686Photovoltaic SpaceshipUSU Personal Contest 20091981192

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1191192

1453QueenTimus Top Coders: Second Challenge2991193

1540Battle for the RingUSU Personal Contest 20072661195

1595Perfect Sequence1891195

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771200

1307ArchiverUral Championship 2004. Round 13091207

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2391213

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2421215

1035Cross-stitchUral Championship 19999061217

1657Cube SnakeNEERC 2008 Eastern Subregional2041218

1359ConstructionSpring School Contest 20053101222

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional861224

1310ACM DiagnosticsUral Championship 2004. Round 13041226

1736Chinese HockeyUSU Championship 20091711227

1669Universal WordPetrozavodsk Winter 2008. USU Contest1971234

1487Chinese FootballUSU Championship 20062711238

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391245

1321Floor IndicatorUral Championship 2004. Round 22961258

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2531260

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2711262

1538Towers of GuardUSU Personal Contest 20072511264

1546Japanese SortingUral Championship 20072461266

1950Martian FarmlandsUral FU Personal Contest 2012761285

1533Fat HobbitsUSU Personal Contest 20072451294

1328FireballAutumn School Contest 20042901295

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971299

1050Preparing an ArticleUSU Local Contest. March 20008321300

1177Like ComparisonsUSU Personal Contest 20022731301

1065FrontierNEERC 20007821308

1097Square Country 2USU Local Contest. March 20017061313

1171Lost in SpaceRomanian Online Contest December 20012661329

1360Philosophical DisputeUral Championship 2005. Round 22841332

1281River BasinNEERC 2003 Central Subregional2751340

1240Heroes of Might and MagicNEERC 20022671353

1099Work Scheduling6161360

1393Average Common Prefix2741366

1499KerchiefsAutumn School Contest 20062411382

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1441387

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup591393

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2271399

1770The Party of Ural ChampionsUral Championship 20101361409

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup581413

1318LogarithmUral Championship 2004. Round 22621415

1802Cube PuzzleNEERC 2010 Eastern Subregional1211417

1266Kirchhoff's LawUSU Championship 20032591419

1419Maps of the Island WorldsUSU Championship 20052651423

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2231423

1908Brute-force SearchUral Championship 2012731423

1265MirrorUSU Championship 20032581424

1299PsyloniansSpring School Contest 20042601424

1449Credit Operations 2Timus Top Coders: Second Challenge2481429

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1121447

1412Autumn TideUSU Championship 20052601449

1347BlogSpring School Contest 20052581459

1441From the History of Gringotts BankUral Championship 20062451459

1345HTMLUSU Championship 20042571463

1764TranssibUral Championship 20101301469

1043Cover an ArcUSU Championship 20007391479

1170DesertRomanian Online Contest December 20012371485

1251Cemetery ManagerUSU Local Contest. March 20032411502

1886Trip 2NEERC 2011 Eastern Subregional901505

1762Search for a Hiding-PlaceUSU Personal Contest 20101281512

1565The Duel for ThreeUSU Championship 20071911515

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2201519

1894Non-Flying WeatherNEERC 2011 Eastern Subregional891520

1241Inlay CuttersNEERC 20022341538

1782Jack's New WordUral SU Championship 20101111551

1568Train Car SortingUSU Championship 20071861553

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1531553

1969Hong Kong TramUral FU Personal Contest 2013511565

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2121574

1831Tsyfirkin's LessonUral Championship 2011961583

1337BureaucracyAutumn School Contest 20042351585

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest871586

1670AsteriskPetrozavodsk Summer 2008. USU Contest1491592

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1241594

2022Riding a ToadNEERC 2014 Eastern Subregional241596

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest221603

1734Endgame DatabaseUSU Championship 20091281609

1485Football and LieUSU Championship 20062061610

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2331618

1583CheeseNEERC 2007 Eastern Subregional1761624

1488ACM PokerUSU Championship 20062021640

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2291645

1516NostalgiaTimus Top Coders: Third Challenge1951655

1707Hypnotoad's SecretUral Championship 20091361672

1062TriathlonNEERC 20006051684

1702CrossroadUral Championship 20091351684

1420Integer-Valued Complex DivisionUSU Championship 20052201702

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional591702

1610CactusesUral Championship 20081571703

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921709

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest801709

1841CablewaysPetrozavodsk Summer 2010. USU Contest801715

1338AutomobilesUSU Championship 20042171720

1046Geometrical DreamsUSU Local Contest. March 20006261721

1977Energy WallUral Championship 2013431731

1257HyphenationAutumn School Contest 20032101733

1615Tram SolitaireUral Championship 20081541735

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791735

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012001744

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1781763

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1891782

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest891783

1514National ParkTimus Top Coders: Third Challenge1801785

1839The MentaculusUral Championship 2011841786

1492Vasya's Dad 2Autumn School Contest 20061841788

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1091795

1417Space Poker 2USU Championship 20052071803

1304ParallelepipedUral Championship 19982031806

1425Queen 2Timus Top Coders: First Challenge1981816

1781Clean CodeUral SU Championship 2010931822

1378Artificial IntelligenceUral Championship 2005. Round 12041837

1093DartsUSU Local Contest. March 20015011840

1163ChapaevNEERC 2001 Northern Subregional1861871

1945Many-armed BrothersUral FU Personal Contest 2012491873

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1531878

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest841878

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1241889

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1231903

1972Game TestingUral Championship 2013381912

1216Two Pawns and One KingUSU Championship 20021851917

1532Lost in TranslationUSU Personal Contest 20071621918

1634Spider MiteUSU Championship 20081271919

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231920

1503PolynomialNEERC 2006 Eastern Subregional1691928

1757Gold BarsUSU Personal Contest 2010981932

1455Freedom of SpeechTimus Top Coders: Second Challenge1801941

1187Statistical TroubleNEERC 20011791951

1703Robotic ArmUral Championship 20091151953

1396Maximum. Version 21751981

1833Hopes of RowingUral Championship 2011741998

1867NanotechnologiesUral FU Championship 2011661998

1148Building TowersDSAP Vietnam Online Contest November 20011732001

1188LibraryNEERC 20011732015

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1742033

1063Domino PuzzleNEERC 20004992034

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1142041

1267Yekaterinburg SubwayUSU Championship 20031762052

1288AstrolocationUSU Personal Contest 20041772054

1232Asteroid LandingNEERC 2002 Central Subregional1722055

1315MDPAR and MIIARUral Championship 2004. Round 11752081

1092TransversalUSU Local Contest. March 20014382098

1543Dance RevolutionUral Championship 20071442105

1549Another Japanese PuzzleUral Championship 20071442105

1041NikiforUSU Championship 20005162106

1541ChaseUSU Personal Contest 20071462115

1835Swamp DoctorUral Championship 2011692125

1074Very Short ProblemUSU Personal Contest 20014642126

1978E-LiteUral Championship 2013332134

1504Good MannersNEERC 2006 Eastern Subregional1512144

1850Space TourismPetrozavodsk Summer 2010. USU Contest622144

1652Banking CrisisNEERC 2008 Eastern Subregional1112154

1397Points Game1512171

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21702175

2006Kirill the GardenerUral Regional School Programming Contest 2013282189

1655Somali PiratesNEERC 2008 Eastern Subregional1082209

1882Old NokiaUral Regional School Programming Contest 2011582223

1270UnicubeUSU Championship 20031612231

1758Bald Spot Revisited 2USU Personal Contest 2010832243

1256Cemetery GuardUSU Local Contest. March 20031572257

1368Goat in the Garden 3Ural Championship 2005. Round 21632263

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1022280

1481Winning ChancesUSU Championship 20061422288

1284Space PokerUSU Personal Contest 20041562314

1895Steaks on BoardNEERC 2011 Eastern Subregional552315

1829Routing TablesUSU Personal Contest 2011632355

1739FaryuksUSU Championship 2009842363

1865The Island of MärketUral FU Championship 2011542372

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional392397

1717Eligibility RulesNEERC 2009 Eastern Subregional832413

1735Theft of the CenturyUSU Championship 2009822414

1275Knights of the Round TableNEERC 2003 Central Subregional1452464

1975Model of the EarthUral Championship 2013272481

1704DemodulationUral Championship 2009882491

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional792521

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest602522

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest512522

1300TaxesUral Championship 19981402564

1308Dean's PyramidUral Championship 2004. Round 11392584

1609Tram TileUral Championship 20081002586

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1082594

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest492617

1312TrayUral Championship 2004. Round 11372619

1520Empire Strikes BackTimus Top Coders: Third Challenge1192629

1454Rectangles 2Timus Top Coders: Second Challenge1302634

1239Ghost BustersNEERC 20021312658

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest92700

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest92700

1505Oil TransferNEERC 2006 Eastern Subregional1162739

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup252746

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup252746

1856War and PeacePetrozavodsk Summer 2011. USU Contest462747

1938Caribbean TriangleUral FU Championship 2012322751

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1162773

1597Chernobyl’ Eagle on a Roof. Version 2112792

1858Magic CubePetrozavodsk Summer 2011. USU Contest452796

1694Killer WordsPetrozavodsk Winter 2009. USU Contest782800

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812806

1566Triangular PostcardsUSU Championship 2007982819

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest772832

1637Triangle Game 2USU Championship 2008822858

1681Brother Bear's GardenUSU Personal Contest 2009762882

1482Triangle GameUSU Championship 20061092922

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest632926

141140 Islands KnightsUSU Championship 20051232942

1442Floo PowderUral Championship 20061152977

1957MundialPetrozavodsk Winter 2013. Kontur Cup223003

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest723005

2016Magic and ScienceNEERC 2014 Eastern Subregional83013

1834Tennis RacketUral Championship 2011453052

1367Top SecretUral Championship 2005. Round 21173083

1622EndspielPetrozavodsk Winter 2008. ITMO Contest773091

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional283091

1909Space ReconUral Championship 2012283108

1395Pascal vs. C++. Version 21073145

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463153

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest463153

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest743202

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest63206

1438Time Limit ExceededUSU Personal Contest 20061073213

1058ChocolateNEERC 2000 Central Subregional3283226

1999The secret moduleNEERC 2013 Eastern Subregional163245

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373284

1616Square Country 4Ural Championship 2008753347

1166Funny Card GameNEERC 2001 Northern Subregional1033375

1429BiscuitsTimus Top Coders: First Challenge1013403

1464LightPetrozavodsk Winter 2006. USU Contest943410

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest53419

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup183432

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1043450

1733Forgotten TechnologyUSU Championship 2009533525

1765Error 404Ural Championship 2010483546

1466Magic SquarePetrozavodsk Winter 2006. USU Contest903547

1632LasersUSU Championship 2008643553

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763559

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333590

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest43663

1199Mouse823666

1973Location GeneratorUral Championship 2013153671

1509Domino RecognitionNEERC 2006 Eastern Subregional823752

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest913894

1778Chinese Hockey 2Ural SU Championship 2010383909

1967Programmer CasinoUral FU Personal Contest 2013143978

1661DodecahedronPetrozavodsk Winter 2008. USU Contest534053

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest684250

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest504256

1598DSA Attack34343

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest704367

1271Sailing DirectionsUSU Championship 2003774386

1594Aztec Treasure444411

1771A Deputy's MorningUral Championship 2010364471

1763Expert FleaUral Championship 2010364472

1344Gigantic TurnipUSU Championship 2004764541

1460WiresPetrozavodsk Winter 2006. USU Contest684547

1340CucarachaUSU Championship 2004754595

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest664597

1797Summit Online Judge. Version 2164610

1801The Revolution CupNEERC 2010 Eastern Subregional294758

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest404928

1426RectanglesTimus Top Coders: First Challenge664970

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest665175

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest575214

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415274

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest195303

1365Testing CalculatorUral Championship 2005. Round 2635363

1906The Lost CivilizationUral Championship 2012125368

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest615539

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest385603

1372Death StarUral Championship 2005. Round 1595698

1848Fly HuntPetrozavodsk Summer 2010. USU Contest156175

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316229

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest186306

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest306385

1842Local RootsPetrozavodsk Summer 2010. USU Contest146433

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest446469

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest316560

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296684

1674Drunk KingPetrozavodsk Summer 2008. USU Contest276841

1653Death ConveyorNEERC 2008 Eastern Subregional267241

1363HalftonesUral Championship 2005. Round 2447250

1548Sakura and StatisticsUral Championship 2007347366

1536Delights of Pipe-weedUSU Personal Contest 2007337673

1596Knight Mare87673

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup28006

1432Twofold LuckUSU Personal Contest 2006348543

1376Dean's Pyramid 2Ural Championship 2005. Round 1339144

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest199274

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest239275

1840Victim of AdvertisingUral Championship 201189325

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179375

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310713

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1311005

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2511236

1415Mobile LifeUSU Championship 20052311854

1374MisereUral Championship 2005. Round 12311914

1399Economical Director1812040

1708Sum of Digits 2Ural Championship 20091012205

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2013109

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1313307

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1314411

1369Cockroach RaceUral Championship 2005. Round 21317022

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1217876

1589SokobanNEERC 2007 Eastern Subregional323233

1394Ships. Version 2330253