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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem6634518

1001Reverse Root1860819

1785Lost in LocalizationUral Regional School Programming Contest 20101037419

1293EniyaSpring School Contest 20041751222

1877Bicycle CodesUral Regional School Programming Contest 2011707123

1409Two GangstersAutumn School Contest 20051676524

1820Ural SteaksUSU Personal Contest 2011663028

1787Turn for MEGAUral Regional School Programming Contest 2010653630

1264WorkdaysAutumn School Contest 20031241731

2001Mathematicians and BerriesUral Regional School Programming Contest 2013304731

2012About Grisha N.NEERC 2014 Eastern Subregional218931

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011508632

1197Lonesome KnightSpring School Contest 20021143633

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional374535

1639Chocolate 2Autumn School Contest 2008729937

1924Four ImpsUral Regional School Programming Contest 2012341138

1313Some Words about SportUral Championship 2004. Round 1924243

12091, 10, 100, 1000...Autumn School Contest 2002867644

1068Sum2369545

1567SMS-spamUSU Championship 2007697945

1319HotelUral Championship 2004. Round 2863546

1581TeamworkAutumn School Contest 2007677846

1225FlagsNEERC 2002 Central Subregional794748

2023Donald is a postmanNEERC 2014 Eastern Subregional136649

1263ElectionsAutumn School Contest 2003784250

1585PenguinsNEERC 2007 Eastern Subregional620750

1876Centipede's MorningUral Regional School Programming Contest 2011314752

1991The battle near the swampNEERC 2013 Eastern Subregional186152

1100Final StandingsTetrahedron Team Online Contest May 2001693753

1881Long problem statementUral Regional School Programming Contest 2011308053

1327FusesAutumn School Contest 2004725055

1893A380NEERC 2011 Eastern Subregional294155

1243Divorce of the Seven DwarfsUSU Personal Contest 2003669657

1110PowerBulgarian Online Contest September 2001647358

1493One Step from HappinessAutumn School Contest 2006617558

1349FarmSpring School Contest 2005676359

1607TaxiUSU Personal Contest 2008493660

1925British Scientists Save the WorldUral Regional School Programming Contest 2012211261

1496SpammerAutumn School Contest 2006574762

1545HieroglyphsUral Championship 2007540562

1636Penalty TimeUSU Championship 2008432963

1196History ExamSpring School Contest 2002578865

1837Isenbaev's NumberUral Championship 2011273865

1149Sinus Dances567066

2002Test TaskUral Regional School Programming Contest 2013142267

1617Flat SpotsUral Championship 2008433268

1654Cipher MessageNEERC 2008 Eastern Subregional396968

1723Sandro's BookUral Regional School Programming Contest 2009343068

1563BayanUSU Championship 2007451370

2005Taxi for ProgrammersUral Regional School Programming Contest 2013137470

1131CopyingUSU Championship 2001526271

1025Democracy in DangerAutumn School Contest 20001588272

1457Heating MainTimus Top Coders: Second Challenge523872

1224SpiralNEERC 2002 Central Subregional521373

2035Another Dress RehearsalUral Regional School Programming Contest 201490573

1792Hamming CodeUral Regional School Programming Contest 2010267374

1935Tears of DrownedUral FU Championship 2012169275

1712Cipher GrilleNEERC 2009 Eastern Subregional308276

1083Factorials!!!Spring School Contest 20011316677

2011Long StatementUral Regional School Programming Contest 2013124777

1502Domino DotsNEERC 2006 Eastern Subregional435281

1194HandshakesSpring School Contest 2002454683

1139City BlocksNEERC 2001 Central Subregional447684

1638BookwormUSU Championship 2008324784

2031Overturned NumbersUral Regional School Programming Contest 201477884

1290SabotageSpring School Contest 2004458985

1106Two TeamsTetrahedron Team Online Contest May 2001432886

1120Sum of Sequential NumbersAutumn School Contest 2001434886

1404Easy to Hack!Autumn School Contest 2005464386

1902Neo-VeniceUral Championship 2012149287

1180Stone GameUSU Personal Contest 2002419190

1796Amusement ParkUral Regional School Programming Contest 2010214292

1601AntiCAPSUSU Personal Contest 2008318293

2025Line FightingUral Regional School Programming Contest 201470793

1119MetroAutumn School Contest 2001397594

1161StripiesNEERC 2001 Northern Subregional398394

1510OrderNEERC 2006 Eastern Subregional375594

16421D MazeAutumn School Contest 2008284695

1786Sandro's BiographyUral Regional School Programming Contest 2010207395

1005Stone PileUSU Championship 19971204596

1297PalindromeSpring School Contest 2004407796

1731DillUral Regional School Programming Contest 2009242596

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201397997

1009K-based NumbersUSU Championship 19971181898

1644A Whole Lot of WalnutsAutumn School Contest 2008277898

2033DevicesUral Regional School Programming Contest 201467098

1446Sorting HatUral Championship 2006385599

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013692100

1146Maximum SumDSAP Vietnam Online Contest November 20013754100

1370MagicianUral Championship 2005. Round 23933101

1214Strange ProcedureAutumn School Contest 20023726102

1873GOV ChroniclesUral Regional School Programming Contest 20111573103

1228ArrayNEERC 2002 Central Subregional3664104

1136ParliamentNEERC 2001 Central Subregional3544105

1777AnindilyakwaUral SU Championship 20101881105

1020RopeAutumn School Contest 200010659108

1118Nontrivial NumbersAutumn School Contest 20013457108

1014Product of DigitsUSU Local Contest. 199910543109

1203Scientific ConferenceUSU Local Contest. March 20023457109

1573AlchemyAutumn School Contest 20072855109

1330IntervalsAutumn School Contest 20043585110

1296HyperjumpSpring School Contest 20043518111

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional594112

1082Gaby IvanushkaSpring School Contest 20018970113

1079MaximumWinter Mathematical Festival Varna 20018851115

1192Ball in a DreamSpring School Contest 20023275115

1582BookmakersNEERC 2007 Eastern Subregional2682116

2000Grand Theft Array VUral Regional School Programming Contest 2013819116

1044Lucky Tickets. Easy!USU Championship 20009688117

1226esreveR redrONEERC 2002 Central Subregional3236118

1711Code NamesNEERC 2009 Eastern Subregional1971119

1126Magnetic StormsUSU Championship 20013124120

1219Symbolic SequenceUSU Championship 20023150121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023095122

1086CryptographySpring School Contest 20018086125

1868Prediction ContestUral FU Championship 20111302125

1123SalaryAutumn School Contest 20012972126

1353Milliard Vasya's FunctionSpring School Contest 20053138127

1683FridgeUSU Personal Contest 20091995129

1688Team.GOV!USU Personal Contest 20091988129

1283DwarfUSU Personal Contest 20042979131

1336Problem of Ben BetsalelAutumn School Contest 20043020131

1725Sold Out!Ural Regional School Programming Contest 20091781131

1260Nudnik PhotographerAutumn School Contest 20032913133

1931Excellent TeamUral FU Championship 2012957133

1964Chinese DialectsUral FU Personal Contest 2013798134

1022Genealogical TreeAutumn School Contest 20008461136

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101450136

1984Dummy GuyOpen Ural FU Championship 2013711136

1021Sacrament of the SumAutumn School Contest 20008296138

1352Mersenne PrimesSpring School Contest 20052895138

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional690139

1740Deer is Better!USU Championship 20091652140

1982Electrification PlanOpen Ural FU Championship 2013687141

2018The Debut AlbumNEERC 2014 Eastern Subregional471141

1222Chernobyl’ EaglesUSU Championship 20022685142

1612Tram ForumUral Championship 20082060142

1026Questions and AnswersAutumn School Contest 20008019143

1402CocktailsAutumn School Contest 20052801143

1821BiathlonUSU Personal Contest 20111272143

1864Get-Together at Den'sUral FU Championship 20111130144

1142RelationsDSAP Vietnam Online Contest November 20012587145

1576Telephone TariffsAutumn School Contest 20072128147

1178Akbardin’s RoadsUSU Personal Contest 20022517149

1084Goat in the GardenSpring School Contest 20016751150

1572Yekaterinozavodsk Great WellAutumn School Contest 20072009155

1756One and a Half DiggersUSU Personal Contest 20101406155

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional831155

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional426155

1306Sequence MedianUral Championship 19982510156

1878Rubinchik's CubeUral Regional School Programming Contest 20111035156

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional813158

1210Kind SpiritsAutumn School Contest 20022400159

1709Penguin-AviaUral Championship 20091564162

1944Record of the Attack at the OrbitUral FU Personal Contest 2012749162

1073Square CountryUSU Personal Contest 20016343163

1135RecruitsNEERC 2001 Central Subregional2275164

1157Young TilerUral Championship 2001. Round 22267165

1167Bicolored HorsesRomanian Online Contest December 20012273165

1295Crazy NotionsSpring School Contest 20042378165

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101191165

1017StaircasesUSU Local Contest. 19996927166

1506Columns of NumbersNEERC 2006 Eastern Subregional2116167

1874Football GoalUral Regional School Programming Contest 2011967167

1213Cockroaches!Autumn School Contest 20022230171

1280Topological SortingNEERC 2003 Central Subregional2272171

1769Old Ural LegendUral Championship 20101258171

1800Murphy's LawNEERC 2010 Eastern Subregional1142171

1012K-based Numbers. Version 26698172

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091352172

1613For Fans of StatisticsUral Championship 20081680174

1869New Year CruiseUral FU Championship 2011932174

2056ScholarshipUral Championship 2015280175

1640Circle of WinterAutumn School Contest 20081531176

1354Palindrome. Again PalindromeSpring School Contest 20052250177

1789Searching for the DodecahedronUral Regional School Programming Contest 20101112177

1193Queue at the ExamSpring School Contest 20022101179

1272Non-Yekaterinburg SubwayUSU Championship 20032176179

1413Mars JumperUSU Championship 20052228179

1685OrthographyUSU Personal Contest 20091432179

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional365181

1048Superlong SumsUSU Local Contest. March 20006160182

1335White ThesisAutumn School Contest 20042177182

1586Threeprime NumbersNEERC 2007 Eastern Subregional1702182

1134CardsNEERC 2001 Central Subregional2033184

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1462184

1846GCD 2010Petrozavodsk Summer 2010. USU Contest893184

1102Strange DialogTetrahedron Team Online Contest May 20011981186

1930Ivan's CarUral Regional School Programming Contest 2012684186

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1396188

1164FillwordNEERC 2001 Northern Subregional1979189

1208Legendary Teams ContestUSU Local Contest. March 20021967191

1645Ski RaceAutumn School Contest 20081406192

1114BoxesBulgarian Online Contest September 20011932193

1207Median on the PlaneUSU Local Contest. March 20021935194

1885Passenger ComfortNEERC 2011 Eastern Subregional824195

1133Fibonacci SequenceNEERC 2001 Central Subregional1906196

1138Integer PercentageNEERC 2001 Central Subregional1893197

1023ButtonsAutumn School Contest 20005768199

1680The First NonqualifyingUSU Personal Contest 20091287199

2024Adventure TimeUral Regional School Programming Contest 2014324199

1112CoverBulgarian Online Contest September 20011844202

1423String TaleTimus Top Coders: First Challenge1894203

1987Nested SegmentsOpen Ural FU Championship 2013463207

1002Phone NumbersCentral European Olympiad in Informatics 19995457211

1152False MirrorsUral Championship 2001. Round 21767211

1249Ancient NecropolisUSU Local Contest. March 20031815211

1348Goat in the Garden 2Spring School Contest 20051871212

1200Horns and HoofsUSU Local Contest. March 20021744215

1515CashmasterTimus Top Coders: Third Challenge1586218

1737Mnemonics and Palindromes 3USU Championship 20091055219

1052Rabbit HuntUSU Local Contest. March 20005095220

1491Unreal StoryAutumn School Contest 20061603221

1922Superhero TeamUral Regional School Programming Contest 2012576221

1011ConductorsUSU Championship 19975198222

1889Airport AnnouncementsNEERC 2011 Eastern Subregional715224

1125HopscotchUSU Championship 20011639227

1490Fire CircleAutumn School Contest 20061561227

1998The old PadawanNEERC 2013 Eastern Subregional418228

1033LabyrinthUral Championship 19994981230

2003Simple MagicUral Regional School Programming Contest 2013409230

1024PermutationsAutumn School Contest 20004939232

1183Brackets SequenceNEERC 20011617232

1494MonobilliardsAutumn School Contest 20061527232

1795Husband in a ShopUral Regional School Programming Contest 2010845232

1333Genie Bomber 2Autumn School Contest 20041689234

1049Brave BalloonistsUSU Local Contest. March 20004772235

1635Mnemonics and PalindromesUSU Championship 20081139238

1150Page NumbersUral Championship 2001. Round 21562239

1981Parallel and PerpendicularOpen Ural FU Championship 2013399240

1826MinefieldUSU Personal Contest 2011753241

1122GameAutumn School Contest 20011534242

1191Catch the thief!Spring School Contest 20021549242

2021Scarily interesting!NEERC 2014 Eastern Subregional270242

1355Bald Spot RevisitedSpring School Contest 20051630244

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1640244

1204IdempotentsUSU Local Contest. March 20021526246

1108HeritageBulgarian Online Contest September 20011496248

1205By the Underground or by Foot?USU Local Contest. March 20021511248

1242WerewolfUSU Personal Contest 20031540249

1247Check a SequenceUSU Personal Contest 20031538249

1718RejudgeNEERC 2009 Eastern Subregional931250

1113JeepBulgarian Online Contest September 20011481251

1603EruditeUSU Personal Contest 20081172252

1010Discrete FunctionUSTU PhysTech Cup 20004545253

1779The Great TeamUral SU Championship 2010770255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013982256

1433DiamondsUSU Personal Contest 20061493256

1298KnightSpring School Contest 20041515258

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012492258

1303Minimal CoverageUral Championship 19981510259

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1298261

1823Ideal GasUSU Personal Contest 2011695261

1195Ouths and CrossesSpring School Contest 20021430262

1080Map ColoringWinter Mathematical Festival Varna 20013864264

1933Guns for Battle!Ural FU Championship 2012473265

1087The Time to Take StonesSpring School Contest 20013776268

1109ConferenceBulgarian Online Contest September 20011385268

1726VisitsUral Regional School Programming Contest 2009867268

1028StarsUral Championship 19994240270

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031414271

1047Simple CalculationsUSU Local Contest. March 20004123272

1220StacksUSU Championship 20021396272

1211Collective GuaranteeAutumn School Contest 20021375276

1117HierarchyAutumn School Contest 20011339277

1179Numbers in TextUSU Personal Contest 20021347278

1590Bacon’s CipherNEERC 2007 Eastern Subregional1107279

1658Sum of DigitsNEERC 2008 Eastern Subregional957280

1989SubpalindromesOpen Ural FU Championship 2013337283

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014224284

1537EntsUSU Personal Contest 20071183285

1032Find a MultipleUral Championship 19993470288

1244GentlemenUSU Personal Contest 20031330288

1684Jack's Last WordUSU Personal Contest 2009889288

1053PinocchioNEERC 2000 Central Subregional3865289

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest768289

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional667291

1941Scary Martian WordUral FU Personal Contest 2012413291

1741Communication FiendUSU Championship 2009789292

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1214293

1497Cutting a SquareAutumn School Contest 20061204293

1018Binary Apple TreeUSU Local Contest. 19993905294

1184Cable MasterNEERC 20011268295

1501Sense of BeautyNEERC 2006 Eastern Subregional1191295

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1192298

1551Sumo TournamentUral Championship 20071109298

1904The Lessons of the PastUral Championship 2012428298

1377Lara CroftUral Championship 2005. Round 11328300

1753BookshelfUSU Personal Contest 2010713304

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional309305

1793Tray 2Ural Regional School Programming Contest 2010639306

1036Lucky Tickets3724307

1215Exactness of Projectile HitAutumn School Contest 20021234307

2026Dean and ScheduleUral Regional School Programming Contest 2014207307

1116Piecewise Constant FunctionAutumn School Contest 20011198310

1127Colored BricksUSU Championship 20011186313

2034CaravansUral Regional School Programming Contest 2014202314

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest702316

1190Bar of ChocolateSpring School Contest 20021176318

1294Mars SatellitesSpring School Contest 20041221319

1121BranchesAutumn School Contest 20011161320

1153SupercomputerUral Championship 2001. Round 21160321

1008Image EncodingUSTU PhysTech Cup 20003575322

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest781325

1934Black SpotUral FU Championship 2012384325

1992CVSNEERC 2013 Eastern Subregional290325

1995Illegal spicesNEERC 2013 Eastern Subregional287328

1302Delta-waveUral Championship 19981186329

1029MinistryUral Championship 19993019331

1588JamaicaNEERC 2007 Eastern Subregional934331

1124MosaicUSU Championship 20011118332

1604Country of FoolsUSU Personal Contest 2008878335

1648YachtsAutumn School Contest 2008801335

1060Flip GameNEERC 20003148337

1137Bus RoutesNEERC 2001 Central Subregional1102337

1227Rally ChampionshipNEERC 2002 Central Subregional1122338

1201Which Day Is It?USU Local Contest. March 20021100340

1185WallNEERC 20011098341

1320Graph DecompositionUral Championship 2004. Round 21138343

1901Space ElevatorsUral Championship 2012370344

1406Next NumberAutumn School Contest 20051154345

1031Railway TicketsUral Championship 19993292347

1223Chernobyl’ Eagle on a RoofUSU Championship 20021084350

1828Approximation by a ProgressionUSU Personal Contest 2011515350

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014180350

1521War Games 2Timus Top Coders: Third Challenge984351

1140Swamp IncidentNEERC 2001 Central Subregional1056352

1090In the Army NowUSU Local Contest. March 20012721353

1262Pseudo-Roman NumberAutumn School Contest 20031085356

1483Table FootballUSU Championship 2006991357

1963KiteUral FU Personal Contest 2013294357

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest453358

1923Scary PoliticsUral Regional School Programming Contest 2012351358

1013K-based Numbers. Version 3188359

1007Code WordsUSU Championship 19973200360

1160NetworkNEERC 2001 Northern Subregional1056360

1450Russian PipelinesTimus Top Coders: Second Challenge1038360

1261TipsAutumn School Contest 20031070361

1517Freedom of ChoiceTimus Top Coders: Third Challenge956361

1218Episode N-th: The Jedi TournamentUSU Championship 20021043364

1759Long-LiversUSU Personal Contest 2010592365

1282Game TreeNEERC 2003 Central Subregional1057366

1783Nuclear Arms RaceUral SU Championship 2010534366

1055CombinationsNEERC 2000 Central Subregional3041367

1292Mars Space StationsSpring School Contest 20041060367

1574Mathematicians and bracketsAutumn School Contest 2007840369

1156Two RoundsUral Championship 2001. Round 21006370

1246Tethered DogUSU Personal Contest 20031032370

1431DiplomasUSU Personal Contest 20061021373

1403CourierAutumn School Contest 20051065374

1346Intervals of MonotonicityUSU Championship 20041054375

1631Drunk King 2USU Championship 2008716377

1078SegmentsWinter Mathematical Festival Varna 20012681380

1651Shortest SubchainNEERC 2008 Eastern Subregional701381

1229Strong BrickworkNEERC 2002 Central Subregional992382

1039Anniversary PartyUSU Championship 20002955383

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional167383

1259How to Become Star?Autumn School Contest 2003998387

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest871387

1860FiborialPetrozavodsk Summer 2011. USU Contest419387

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional410387

1003ParityCentral European Olympiad in Informatics 19992966388

1562GM-pineappleUSU Championship 2007800388

1015Test the Difference!USU Local Contest. 19992927392

1942Attack at the OrbitUral FU Personal Contest 2012304392

1489Points on a ParallelepipedAutumn School Contest 2006897393

1774Barber of the Army of MagesUral SU Championship 2010494395

1176HyperchannelsUSU Personal Contest 2002943396

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest660397

1115ShipsBulgarian Online Contest September 2001930398

1279WarehouseNEERC 2003 Central Subregional971398

1407One-two, One-twoAutumn School Contest 2005998399

1427SMSTimus Top Coders: First Challenge959399

2030Awesome Backup SystemUral Regional School Programming Contest 2014157399

1094E-screenUSU Local Contest. March 20012399400

1217Unlucky TicketsUSU Championship 2002941403

1289One Way TicketUSU Personal Contest 2004962404

1356Something EasierSpring School Contest 2005980404

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest546404

1111SquaresBulgarian Online Contest September 2001911406

1141RSA Attack911407

1495One-two, One-two 2Autumn School Contest 2006856411

1038Spell CheckerUSU Championship 20002747412

1287Mars CanalsUSU Personal Contest 2004943412

1732Ministry of TruthUSU Championship 2009554413

1571InterpretersUSU Championship 2007747415

1350CanteenSpring School Contest 2005950416

1107Warehouse ProblemTetrahedron Team Online Contest May 2001881417

1077Travelling Tours879421

1480CouponsUSU Championship 2006839421

1507Difficult DecisionNEERC 2006 Eastern Subregional833421

1602ElevatorUSU Personal Contest 2008698421

1089Verification with a VocabularySpring School Contest 20012395422

1252Sorting the TombstonesUSU Local Contest. March 2003901423

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional296425

1128Partition into GroupsUSU Championship 2001869426

1202Rectangles TravelUSU Local Contest. March 2002872428

1513Lemon TaleTimus Top Coders: Third Challenge804428

1700AwakeningUral Championship 2009585428

1181Cutting a Painted PolygonUSU Personal Contest 2002867430

1519Formula 1Timus Top Coders: Third Challenge800430

1019Line PaintingUSU Local Contest. 19992637435

1291Gear-wheelsSpring School Contest 2004893435

1971Graphics SettingsUral Championship 2013230436

1776Anniversary FireworkUral SU Championship 2010443440

1641DutiesAutumn School Contest 2008607441

1221Malevich Strikes Back!USU Championship 2002857442

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional432446

1416ConfidentialUSU Championship 2005882448

1890Money out of Thin AirNEERC 2011 Eastern Subregional353448

1051Simple Game on a GridUSU Local Contest. March 20002486450

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014138450

2046The First Day at SchoolUral Championship 2015103450

1643Attack of the Dark FortressAutumn School Contest 2008592452

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001819453

1258PoolAutumn School Contest 2003847455

1728Curse on Team.GOVUral Regional School Programming Contest 2009506455

1129Door PaintingUSU Championship 2001810457

1410CrackUSU Championship 2005862459

1072RoutingUSU Personal Contest 20012220463

1189Pairs of IntegersNEERC 2001796469

1155TroubleduonsUral Championship 2001. Round 2789470

1535The Hobbit or There and Back AgainUSU Personal Contest 2007711471

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014131472

2004Scientists from SpilkovoUral Regional School Programming Contest 2013193474

1091Tmutarakan ExamsUSU Local Contest. March 20012019475

1343Fairy TaleUSU Championship 2004828476

1162Currency ExchangeNEERC 2001 Northern Subregional777477

1525PathPetrozavodsk Winter 2007. D.Gozman Contest702479

1871Seismic WavesUral FU Championship 2011332479

1428Jedi RiddleTimus Top Coders: First Challenge795480

1236Decoding TaskNEERC 2002788481

1900Brainwashing DeviceUral Championship 2012260484

2009Canteen LineUral Regional School Programming Contest 2013189484

1628White StreaksUSU Championship 2008554485

1401GamersAutumn School Contest 2005815487

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest123487

1980Road to InvestorUral Championship 2013204489

1329Galactic HistoryAutumn School Contest 2004800490

1098Questions1868491

1095Nikifor 3USU Local Contest. March 20011946493

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional467494

1870Zinium 2Ural FU Championship 2011321495

1273TieUSU Championship 2003777496

1579Coat TransportationAutumn School Contest 2007620498

1430Crime and PunishmentTimus Top Coders: First Challenge765499

1891Language OceanNEERC 2011 Eastern Subregional316499

1066GarlandNEERC 20002111501

1212BattleshipAutumn School Contest 2002754501

1103Pencils and CirclesTetrahedron Team Online Contest May 2001728503

1326Bottle TapsUral Championship 2004. Round 2772504

1316Electronic AuctionUral Championship 2004. Round 1768506

1729Dead Man's ChestUral Regional School Programming Contest 2009454506

1322SpyUral Championship 2004. Round 2766507

1884Way to the UniversityUral Regional School Programming Contest 2011312507

1754Explosion in a PyramidUSU Personal Contest 2010423508

1056Computer NetNEERC 2000 Central Subregional2190509

1928Another Ecology ProblemUral Regional School Programming Contest 2012244509

1182Team Them Up!NEERC 2001726513

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional122513

1158Censored!NEERC 2001 Northern Subregional715518

1238FoldingNEERC 2002729520

1069Prufer CodeUSU Personal Contest 20011954526

1334CheckersAutumn School Contest 2004745526

1966Cycling RoadsUral FU Personal Contest 2013196526

1838Samurai's StrokeUral Championship 2011331527

1990PodracingNEERC 2013 Eastern Subregional175527

1045Funny GameUSU Local Contest. March 20002113529

1366PresentsUral Championship 2005. Round 2745530

1577E-mailAutumn School Contest 2007580531

1803The Czechs' RiflesNEERC 2010 Eastern Subregional361531

1600AirportUSU Personal Contest 2008549533

1439Battle with You-Know-WhoUral Championship 2006702535

1143Electric PathDSAP Vietnam Online Contest November 2001686539

1962In Chinese RestaurantUral FU Personal Contest 2013191539

1314Chase in SubwayUral Championship 2004. Round 1714544

1400Cellular CharactersAutumn School Contest 2005728545

1027D++ AgainAutumn School Contest 20002084549

1414Astronomical DatabaseUSU Championship 2005717550

1806Mobile TelegraphsNEERC 2010 Eastern Subregional348551

1101Robot in the FieldTetrahedron Team Online Contest May 2001663552

1939First SealUral FU Championship 2012222552

1198Jobbery709558

1064Binary SearchNEERC 20001891559

1362Classmates 2Ural Championship 2005. Round 2706559

1605Devil's SequenceUSU Personal Contest 2008520562

1710Boris, You Are Wrong!Ural Championship 2009443563

1713Key SubstringsNEERC 2009 Eastern Subregional408563

1085MeetingSpring School Contest 20011789564

1004Sightseeing TripCentral European Olympiad in Informatics 19992035565

1994The Emperor's planNEERC 2013 Eastern Subregional162566

1061Buffer ManagerNEERC 20001865567

1866Poetic FootUral FU Championship 2011278569

1071Nikifor 2USU Personal Contest 20011803570

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest544570

1767The House of Doctor DeeUral Championship 2010371570

1550Dean's Pyramid 3Ural Championship 2007574571

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005689572

1822Hugo II's WarUSU Personal Contest 2011311572

1437Gasoline StationUSU Personal Contest 2006661573

1698Square Country 5Petrozavodsk Winter 2009. USU Contest439573

1059ExpressionNEERC 2000 Central Subregional1939575

1701Ostap and PartnersUral Championship 2009431578

1421Credit OperationsTimus Top Coders: First Challenge658579

1448Lighting in HogwartsUral Championship 2006648579

1892Morning in KoltsovoNEERC 2011 Eastern Subregional271579

1650BillionairesNEERC 2008 Eastern Subregional458580

1903Unidentified ShipsUral Championship 2012215581

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest101584

2047MathsUral Championship 201577584

1534Football in GondorUSU Personal Contest 2007570585

1070Local TimeUSU Personal Contest 20011747588

1445Christmas giftsUral Championship 2006638588

1592Chinese WatchesNEERC 2007 Eastern Subregional519590

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional210591

1375Bill CleversUral Championship 2005. Round 1669592

1659Regular TrianglesNEERC 2008 Eastern Subregional447593

1760Infernal WorkUSU Personal Contest 2010359596

1172Ship RoutesRomanian Online Contest December 2001618599

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest515602

1682Crazy ProfessorUSU Personal Contest 2009419603

1067Disk TreeNEERC 20001748604

1706Cipher Message 2Ural Championship 2009412604

1054Hanoi TowerNEERC 2000 Central Subregional1835607

1943Space RummyUral FU Personal Contest 2012193607

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest449609

1358CablesSpring School Contest 2005645610

1690Army of MagesPetrozavodsk Winter 2009. USU Contest411611

1932The Secret of IdentifierUral FU Championship 2012197619

1940Not So Simple YearsUral FU Championship 2012197619

1325DirtUral Championship 2004. Round 2625620

1465Pawn GamePetrozavodsk Winter 2006. USU Contest575622

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup165623

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest255626

1309DisputeUral Championship 2004. Round 1618627

2008SwiftyUral Regional School Programming Contest 2013143629

1076Trash1615632

1961Cantonese DialectUral FU Personal Contest 2013160638

1096Get the Right Route Plate!USU Local Contest. March 20011486644

1234BricksNEERC 2002586644

1248Sequence SumUSU Personal Contest 2003586647

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional190650

1088Ilya MurometzSpring School Contest 20011547651

1174Weird PermutationsRomanian Online Contest December 2001565654

1542AutocompletionUral Championship 2007499656

1254Die HardUSU Local Contest. March 2003577657

1452Pascal vs. C++Timus Top Coders: Second Challenge565657

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012187657

1253NecrologuesUSU Local Contest. March 2003576658

1606SlalomUSU Personal Contest 2008442659

1186Chemical ReactionsNEERC 2001560662

1755CakeUSU Personal Contest 2010322662

1872Spacious OfficeUral FU Championship 2011237664

1443RailsUral Championship 2006563665

1773Metro to Every HomeUral Championship 2010315668

1832Arirang ShowUral Championship 2011259668

1986Paul’s SaladsOpen Ural FU Championship 2013136672

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup152673

1332Genie BomberAutumn School Contest 2004578675

1564Counting OnesUSU Championship 2007456675

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009337676

1974Similar TunesUral Championship 2013145676

1633HippogriffsUSU Championship 2008394677

1500Pass LicensesNEERC 2006 Eastern Subregional511680

1830Help in the RNOSUral Championship 2011253683

1371Cargo AgencyUral Championship 2005. Round 1576686

1875Angry BirdsUral Regional School Programming Contest 2011226692

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest505696

1996Cipher Message 3NEERC 2013 Eastern Subregional130696

1629TripUSU Championship 2008382698

1440Training ScheduleUral Championship 2006535699

1274Fractional ArithmeticNEERC 2003 Central Subregional548700

1988Planet Ocean LandingOpen Ural FU Championship 2013130700

1230Introspective ProgramNEERC 2002 Central Subregional531708

1486Equal SquaresUSU Championship 2006493710

1301Cube in LabyrinthUral Championship 1998543711

1775Space BowlingUral SU Championship 2010270711

1286Starship TravelUSU Personal Contest 2004542712

1772Ski-Trails for RobotsUral Championship 2010295712

2017Best of a bad lotNEERC 2014 Eastern Subregional85713

1034Queens in Peaceful PositionsUral Championship 19991596714

1305Convex HullUral Championship 1998540715

2048HistoryUral Championship 201561716

1057Amount of DegreesNEERC 2000 Central Subregional1544721

1037Memory ManagementUSU Championship 20001553727

1132Square Root504729

1168Radio StationsRomanian Online Contest December 2001505730

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional260730

1611DecimationUral Championship 2008393731

1780Gray CodeUral SU Championship 2010262732

1614National Project “Trams”Ural Championship 2008391735

1016Cube on the WalkUSU Local Contest. 19991552737

1235Cricket FieldNEERC 2002508741

1405Goat in the Garden 5Autumn School Contest 2005532741

1159FenceNEERC 2001 Northern Subregional496743

1250Sea BurialUSU Local Contest. March 2003508745

1936RoshamboUral FU Championship 2012161749

1825Ifrit Bomber 2USU Personal Contest 2011235750

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest409754

1646Godzilla Strikes Back!Autumn School Contest 2008349758

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest467763

1484Film RatingUSU Championship 2006458763

1587Flying PigNEERC 2007 Eastern Subregional399763

1424MinibusTimus Top Coders: First Challenge494767

1738Computer SecurityUSU Championship 2009294767

1512ZiniumTimus Top Coders: Third Challenge443770

1434Buses in VasyukiUSU Personal Contest 2006489771

1169PairsRomanian Online Contest December 2001474777

1716Alternative SolutionNEERC 2009 Eastern Subregional293777

2060Subpalindrome pairsPalindromic Contest 48779

1392Dreaming of Stars505780

1927Herbs and MagicUral Regional School Programming Contest 2012156780

1042Central HeatingUSU Championship 20001445781

1593Square Country. Version 2320791

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest442793

1720Summit Online JudgeNEERC 2009 Eastern Subregional286795

1705Gangster HaresUral Championship 2009310797

1689Fisherman and BarbellUSU Personal Contest 2009312803

1030TitanicUral Championship 19991414805

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest488807

1276TrainNEERC 2003 Central Subregional472811

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest222812

1905Travel in TimeUral Championship 2012151812

1547Password SearchUral Championship 2007400814

1165SubnumberNEERC 2001 Northern Subregional451815

1647Divide an Island!Autumn School Contest 2008323817

1456Jedi Riddle 2Timus Top Coders: Second Challenge450821

1268Little ChuUSU Championship 2003465822

1715Another Ball KillerNEERC 2009 Eastern Subregional275826

1379Cups TransportationUral Championship 2005. Round 1474830

1105Observers ColoringTetrahedron Team Online Contest May 2001437831

1948The Robot on the LineUral FU Personal Contest 2012138832

1269Obscene Words FilterUSU Championship 2003458834

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest67842

1824Ifrit BomberUSU Personal Contest 2011208843

1630TalismanUSU Championship 2008313847

1147Shaping RegionsDSAP Vietnam Online Contest November 2001430853

1006Square FramesUSU Championship 19971332860

1154Mages ContestUral Championship 2001. Round 2427860

1608Lucky Tickets 2008Ural Championship 2008332862

1921Chaos and OrderUral Regional School Programming Contest 2012140863

1979Resources DistributionUral Championship 2013111865

1436BillboardUSU Personal Contest 2006433869

1498Stroke at Full SpeedAutumn School Contest 2006400869

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest248871

1863Peaceful AtomUral FU Championship 2011178872

1323ClassmatesUral Championship 2004. Round 2441873

1970皇后像廣場Ural FU Personal Contest 2013114874

1836Babel FishUral Championship 2011195877

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest378879

1233Amusing NumbersNEERC 2002425882

1883Ent's BirthdayUral Regional School Programming Contest 2011175882

1761Binary PalindromeUSU Personal Contest 2010239883

1983Nectar GatheringOpen Ural FU Championship 2013101883

1949The Best Picture in the GalaxyUral FU Personal Contest 2012129886

1324Extra SpacesUral Championship 2004. Round 2434887

1342EnterpriseUSU Championship 2004440887

1578Mammoth HuntAutumn School Contest 2007342891

1373Pictura ex MachinaUral Championship 2005. Round 1439895

1277Cops and ThievesNEERC 2003 Central Subregional425898

1976Game OptimizationUral Championship 2013106903

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest299904

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest390910

1245PicturesUSU Personal Contest 2003411916

1364LaraKillerUral Championship 2005. Round 2427916

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest270918

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest235918

1580Dean's DebtsAutumn School Contest 2007331920

1575Yekaterinburg Subway 2Autumn School Contest 2007326933

1278“… Connecting People”NEERC 2003 Central Subregional408935

1937Davy Jones’s OrganUral FU Championship 2012127935

1237Evacuation PlanNEERC 2002398942

1285Thread in a HyperspaceUSU Personal Contest 2004406944

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest165948

1730ManBearPigUral Regional School Programming Contest 2009236954

1422FirefliesTimus Top Coders: First Challenge394957

1398Bishop and Pawn351961

1784RoundersUral SU Championship 2010197962

1827Indigenous WarsUSU Personal Contest 2011181962

1887Frequent Flyer CardNEERC 2011 Eastern Subregional159962

1879GOV-internship 2Ural Regional School Programming Contest 2011159966

1175Strange SequenceUSU Personal Contest 2002376977

1040Airline CompanyUSU Championship 20001152978

1569Networking the “Iset”USU Championship 2007311979

1418Military StoryUSU Championship 2005397983

1451Beerhouse TaleTimus Top Coders: Second Challenge374984

1435Financial ErrorUSU Personal Contest 2006379989

1907Coffee and BunsUral Championship 2012122990

1151RadiobeaconsUral Championship 2001. Round 2369991

1130Nikifor's WalkUSU Championship 2001367994

1768Circular StringsUral Championship 2010208995

1591Abstract ThinkingNEERC 2007 Eastern Subregional303997

1339BabiesUSU Championship 2004390998

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010189998

1862Very Wealthy MoleUral FU Championship 2011154999

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3051003

1965Pear TreesUral FU Personal Contest 2013981003

1331VladislavaAutumn School Contest 20043851005

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3491014

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2491018

1722Observation DeckUral Regional School Programming Contest 20092191025

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest531029

1311Stable ConstructionUral Championship 2004. Round 13701036

1518Jedi Riddle 3Timus Top Coders: Third Challenge3261038

1570Eating HighUSU Championship 20072921041

1985Prime SquareOpen Ural FU Championship 2013841043

1539Intelligence DataUSU Personal Contest 20073141048

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1141049

1075Thread in a SpaceUSU Personal Contest 20019741050

1790Searching for the TruthUral Regional School Programming Contest 20101791050

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2021060

1687Numismatics for FunUSU Personal Contest 20092331064

2007Mutants versus MachinesUral Regional School Programming Contest 2013801069

1968Glass PyramidUral FU Personal Contest 2013911073

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1611101

1317HailUral Championship 2004. Round 23441112

1173Lazy SnailRomanian Online Contest December 20013271115

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1391117

1511Fiscal OperationsTimus Top Coders: Third Challenge3011121

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2251132

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1561134

1341DeviceUSU Championship 20043411137

1444ElephpotamusUral Championship 20063241141

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1861147

1447Portkey NetworkUral Championship 20063221148

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3391152

1540Battle for the RingUSU Personal Contest 20072841155

1544Classmates 3Ural Championship 20072781159

1766Humpty DumptyUral Championship 20101771161

1627JoinPetrozavodsk Winter 2008. ITMO Contest2301164

1357Teakettle 1.0 for DummiesSpring School Contest 20053311172

1458War GamesTimus Top Coders: Second Challenge3101180

1946Chinese Hockey 3Ural FU Personal Contest 2012941184

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2071185

1807Cartridges for MaximNEERC 2010 Eastern Subregional1561188

1408Polynomial MultiplicationAutumn School Contest 20053281189

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2911191

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1291193

1595Perfect Sequence1981196

1453QueenTimus Top Coders: Second Challenge3041203

1307ArchiverUral Championship 2004. Round 13151211

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup801211

1669Universal WordPetrozavodsk Winter 2008. USU Contest2071226

1686Photovoltaic SpaceshipUSU Personal Contest 20092011226

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2471229

1035Cross-stitchUral Championship 19999201230

1310ACM DiagnosticsUral Championship 2004. Round 13101230

1947MeanderUral FU Personal Contest 2012901232

1736Chinese HockeyUSU Championship 20091791234

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2421238

1359ConstructionSpring School Contest 20053121241

1546Japanese SortingUral Championship 20072571250

1487Chinese FootballUSU Championship 20062751253

1657Cube SnakeNEERC 2008 Eastern Subregional2061256

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771259

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2781263

1533Fat HobbitsUSU Personal Contest 20072571271

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2581272

1321Floor IndicatorUral Championship 2004. Round 22991274

1538Towers of GuardUSU Personal Contest 20072541286

1050Preparing an ArticleUSU Local Contest. March 20008471310

1177Like ComparisonsUSU Personal Contest 20022781310

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1401314

1328FireballAutumn School Contest 20042911319

1097Square Country 2USU Local Contest. March 20017181324

1099Work Scheduling6491324

1065FrontierNEERC 20007911327

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional881327

1360Philosophical DisputeUral Championship 2005. Round 22901334

1393Average Common Prefix2871336

2052Physical EducationUral Championship 2015281338

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1981343

1171Lost in SpaceRomanian Online Contest December 20012681352

1281River BasinNEERC 2003 Central Subregional2781356

1240Heroes of Might and MagicNEERC 20022691375

1499KerchiefsAutumn School Contest 20062491375

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest371379

1950Martian FarmlandsUral FU Personal Contest 2012791384

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2351392

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2451406

1318LogarithmUral Championship 2004. Round 22671422

1419Maps of the Island WorldsUSU Championship 20052711424

1266Kirchhoff's LawUSU Championship 20032641425

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1471432

1265MirrorUSU Championship 20032621435

1345HTMLUSU Championship 20042661446

1762Search for a Hiding-PlaceUSU Personal Contest 20101421447

1299PsyloniansSpring School Contest 20042611451

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2251451

1449Credit Operations 2Timus Top Coders: Second Challenge2501453

1770The Party of Ural ChampionsUral Championship 20101391456

1802Cube PuzzleNEERC 2010 Eastern Subregional1251460

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup641473

1347BlogSpring School Contest 20052611475

1412Autumn TideUSU Championship 20052611476

1441From the History of Gringotts BankUral Championship 20062481477

1043Cover an ArcUSU Championship 20007531489

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1161494

1170DesertRomanian Online Contest December 20012411498

1251Cemetery ManagerUSU Local Contest. March 20032441519

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup611535

1908Brute-force SearchUral Championship 2012751537

1764TranssibUral Championship 20101311539

1241Inlay CuttersNEERC 20022391543

1886Trip 2NEERC 2011 Eastern Subregional941563

1565The Duel for ThreeUSU Championship 20071911564

1894Non-Flying WeatherNEERC 2011 Eastern Subregional931579

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2171580

1568Train Car SortingUSU Championship 20071891580

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1561589

1337BureaucracyAutumn School Contest 20042381601

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2401608

1485Football and LieUSU Championship 20062101623

1670AsteriskPetrozavodsk Summer 2008. USU Contest1521628

1488ACM PokerUSU Championship 20062091630

1782Jack's New WordUral SU Championship 20101121633

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1271641

1831Tsyfirkin's LessonUral Championship 2011981664

1734Endgame DatabaseUSU Championship 20091301666

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2311668

1583CheeseNEERC 2007 Eastern Subregional1771668

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest891675

1062TriathlonNEERC 20006231678

1707Hypnotoad's SecretUral Championship 20091411688

1516NostalgiaTimus Top Coders: Third Challenge1961692

2022Riding a ToadNEERC 2014 Eastern Subregional301693

1420Integer-Valued Complex DivisionUSU Championship 20052231717

1969Hong Kong TramUral FU Personal Contest 2013531720

1610CactusesUral Championship 20081611723

1046Geometrical DreamsUSU Local Contest. March 20006411725

1257HyphenationAutumn School Contest 20032161726

1508Japanese PuzzleNEERC 2006 Eastern Subregional1931746

1702CrossroadUral Championship 20091361746

1338AutomobilesUSU Championship 20042181751

1841CablewaysPetrozavodsk Summer 2010. USU Contest851752

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012011779

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1941784

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1811785

1615Tram SolitaireUral Championship 20081541797

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest821803

1514National ParkTimus Top Coders: Third Challenge1831806

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest821809

1378Artificial IntelligenceUral Championship 2005. Round 12111818

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest931828

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional611831

1425Queen 2Timus Top Coders: First Challenge2011832

1492Vasya's Dad 2Autumn School Contest 20061841836

1977Energy WallUral Championship 2013471837

1417Space Poker 2USU Championship 20052071843

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1121843

1304ParallelepipedUral Championship 19982031847

1093DartsUSU Local Contest. March 20015101854

1839The MentaculusUral Championship 2011861872

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1581881

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1301884

1503PolynomialNEERC 2006 Eastern Subregional1781886

1781Clean CodeUral SU Championship 2010951897

1163ChapaevNEERC 2001 Northern Subregional1881898

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1281911

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1271925

1634Spider MiteUSU Championship 20081311939

1216Two Pawns and One KingUSU Championship 20021871943

1455Freedom of SpeechTimus Top Coders: Second Challenge1841947

1532Lost in TranslationUSU Personal Contest 20071641951

2053BiologyUral Championship 2015161955

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1261956

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest861961

2059Not common palindromesPalindromic Contest 131965

1703Robotic ArmUral Championship 20091191976

1187Statistical TroubleNEERC 20011811977

1945Many-armed BrothersUral FU Personal Contest 2012521987

1148Building TowersDSAP Vietnam Online Contest November 20011781996

1396Maximum. Version 21781997

1757Gold BarsUSU Personal Contest 20101001999

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1802016

2055Urban GeographyUral Championship 2015152034

1063Domino PuzzleNEERC 20005112038

1188LibraryNEERC 20011742053

1267Yekaterinburg SubwayUSU Championship 20031802055

1232Asteroid LandingNEERC 2002 Central Subregional1742081

1288AstrolocationUSU Personal Contest 20041782090

1833Hopes of RowingUral Championship 2011762090

1041NikiforUSU Championship 20005332092

1315MDPAR and MIIARUral Championship 2004. Round 11782094

1397Points Game1612098

1867NanotechnologiesUral FU Championship 2011682101

1543Dance RevolutionUral Championship 20071482112

1074Very Short ProblemUSU Personal Contest 20014762126

1549Another Japanese PuzzleUral Championship 20071472126

1092TransversalUSU Local Contest. March 20014432128

1972Game TestingUral Championship 2013392137

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1142145

1504Good MannersNEERC 2006 Eastern Subregional1552148

1541ChaseUSU Personal Contest 20071482149

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21732187

1652Banking CrisisNEERC 2008 Eastern Subregional1142187

1850Space TourismPetrozavodsk Summer 2010. USU Contest662190

20503D-modelingUral Championship 2015132210

1835Swamp DoctorUral Championship 2011702246

1270UnicubeUSU Championship 20031632257

1655Somali PiratesNEERC 2008 Eastern Subregional1102260

1256Cemetery GuardUSU Local Contest. March 20031602269

1978E-LiteUral Championship 2013362276

1368Goat in the Garden 3Ural Championship 2005. Round 21652287

1882Old NokiaUral Regional School Programming Contest 2011612299

1481Winning ChancesUSU Championship 20061452303

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest182314

1284Space PokerUSU Personal Contest 20041592325

1758Bald Spot Revisited 2USU Personal Contest 2010842339

1739FaryuksUSU Championship 2009882379

1895Steaks on BoardNEERC 2011 Eastern Subregional582391

2006Kirill the GardenerUral Regional School Programming Contest 2013302406

1829Routing TablesUSU Personal Contest 2011662417

1717Eligibility RulesNEERC 2009 Eastern Subregional852478

1735Theft of the CenturyUSU Championship 2009842481

1275Knights of the Round TableNEERC 2003 Central Subregional1472488

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional422501

1865The Island of MärketUral FU Championship 2011552522

2051PhysicsUral Championship 2015102542

1704DemodulationUral Championship 2009902549

1520Empire Strikes BackTimus Top Coders: Third Challenge1262563

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional812587

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest542592

1300TaxesUral Championship 19981412605

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1112611

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest622615

1308Dean's PyramidUral Championship 2004. Round 11402625

1609Tram TileUral Championship 20081022631

1312TrayUral Championship 2004. Round 11392643

2057Non-palidromic cuttingPalindromic Contest 72658

1454Rectangles 2Timus Top Coders: Second Challenge1322660

1239Ghost BustersNEERC 20021342665

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1212738

1975Model of the EarthUral Championship 2013282756

1566Triangular PostcardsUSU Championship 20071042758

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest862771

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest502774

1505Oil TransferNEERC 2006 Eastern Subregional1172791

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup292794

1856War and PeacePetrozavodsk Summer 2011. USU Contest492811

1858Magic CubePetrozavodsk Summer 2011. USU Contest492811

1681Brother Bear's GardenUSU Personal Contest 2009812842

1694Killer WordsPetrozavodsk Winter 2009. USU Contest802857

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest802857

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup282868

1637Triangle Game 2USU Championship 2008852878

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest672919

1482Triangle GameUSU Championship 20061112951

1464LightPetrozavodsk Winter 2006. USU Contest1132958

1938Caribbean TriangleUral FU Championship 2012332980

141140 Islands KnightsUSU Championship 20051242985

2058100500 palidnromesPalindromic Contest 53013

1442Floo PowderUral Championship 20061163025

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest113086

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest513087

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional323096

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest733098

1367Top SecretUral Championship 2005. Round 21193102

1058ChocolateNEERC 2000 Central Subregional3473132

1597Chernobyl’ Eagle on a Roof. Version 2133132

1622EndspielPetrozavodsk Winter 2008. ITMO Contest793139

1395Pascal vs. C++. Version 21103142

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest493191

1957MundialPetrozavodsk Winter 2013. Kontur Cup243205

1438Time Limit ExceededUSU Personal Contest 20061103206

1834Tennis RacketUral Championship 2011463209

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest103240

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest763249

1429BiscuitsTimus Top Coders: First Challenge1073304

1909Space ReconUral Championship 2012293350

1166Funny Card GameNEERC 2001 Northern Subregional1063364

2049ChemistryUral Championship 201553389

1616Square Country 4Ural Championship 2008763426

1466Magic SquarePetrozavodsk Winter 2006. USU Contest953465

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest383467

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1053495

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup213516

1632LasersUSU Championship 2008673551

2016Magic and ScienceNEERC 2014 Eastern Subregional93564

1999The secret moduleNEERC 2013 Eastern Subregional173608

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest773632

1733Forgotten TechnologyUSU Championship 2009543643

1509Domino RecognitionNEERC 2006 Eastern Subregional873655

1765Error 404Ural Championship 2010493678

1199Mouse833728

1847ZamkadyePetrozavodsk Summer 2010. USU Contest343782

1973Location GeneratorUral Championship 2013173878

2054AstronomyUral Championship 201533908

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest923940

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest64050

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest64050

1778Chinese Hockey 2Ural SU Championship 2010394066

1661DodecahedronPetrozavodsk Winter 2008. USU Contest554092

2061oeis A216264Palindromic Contest 14109

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest714210

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest534222

1967Programmer CasinoUral FU Personal Contest 2013154335

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest724373

1271Sailing DirectionsUSU Championship 2003794386

1594Aztec Treasure464448

1340CucarachaUSU Championship 2004784537

1344Gigantic TurnipUSU Championship 2004784537

1460WiresPetrozavodsk Winter 2006. USU Contest704548

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest684598

1763Expert FleaUral Championship 2010374617

1771A Deputy's MorningUral Championship 2010374617

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest454675

1797Summit Online Judge. Version 2184728

1801The Revolution CupNEERC 2010 Eastern Subregional314809

1426RectanglesTimus Top Coders: First Challenge684956

1598DSA Attack44993

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest615051

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest685153

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest435271

1365Testing CalculatorUral Championship 2005. Round 2655336

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest215350

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest645431

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest415478

1372Death StarUral Championship 2005. Round 1635504

1906The Lost CivilizationUral Championship 2012135681

1848Fly HuntPetrozavodsk Summer 2010. USU Contest195739

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest346045

1842Local RootsPetrozavodsk Summer 2010. USU Contest176164

1668Death Star 2Petrozavodsk Winter 2008. USU Contest336186

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest206276

1674Drunk KingPetrozavodsk Summer 2008. USU Contest326280

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest476291

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest336497

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional316615

1548Sakura and StatisticsUral Championship 2007377101

1653Death ConveyorNEERC 2008 Eastern Subregional287137

1363HalftonesUral Championship 2005. Round 2467146

1536Delights of Pipe-weedUSU Personal Contest 2007347715

1596Knight Mare97916

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest248217

1432Twofold LuckUSU Personal Contest 2006368365

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup29079

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest199095

1376Dean's Pyramid 2Ural Championship 2005. Round 1349132

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest249293

1840Victim of AdvertisingUral Championship 201199458

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1510550

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1410714

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2710862

1415Mobile LifeUSU Championship 20052511425

1374MisereUral Championship 2005. Round 12511480

1708Sum of Digits 2Ural Championship 20091112136

1399Economical Director1812378

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2112965

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1413165

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1513639

1369Cockroach RaceUral Championship 2005. Round 21615391

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218268

1589SokobanNEERC 2007 Eastern Subregional323998

1394Ships. Version 2330918