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Problem set


1000A+B Problem6507719

1001Reverse Root1817219

1785Lost in LocalizationUral Regional School Programming Contest 20101001419

1293EniyaSpring School Contest 20041706923

1877Bicycle CodesUral Regional School Programming Contest 2011680023

1409Two GangstersAutumn School Contest 20051635224

1820Ural SteaksUSU Personal Contest 2011640128

1787Turn for MEGAUral Regional School Programming Contest 2010632330

1264WorkdaysAutumn School Contest 20031209532

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011490432

2001Mathematicians and BerriesUral Regional School Programming Contest 2013279432

1197Lonesome KnightSpring School Contest 20021123833

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional359034

2012About Grisha N.NEERC 2014 Eastern Subregional178434

1639Chocolate 2Autumn School Contest 2008714237

1924Four ImpsUral Regional School Programming Contest 2012323538

1313Some Words about SportUral Championship 2004. Round 1907343

12091, 10, 100, 1000...Autumn School Contest 2002849544


1567SMS-spamUSU Championship 2007683145

1319HotelUral Championship 2004. Round 2848146

1581TeamworkAutumn School Contest 2007663646

1225FlagsNEERC 2002 Central Subregional766149

1263ElectionsAutumn School Contest 2003771650

1585PenguinsNEERC 2007 Eastern Subregional607850

1876Centipede's MorningUral Regional School Programming Contest 2011303252

1881Long problem statementUral Regional School Programming Contest 2011299452

1991The battle near the swampNEERC 2013 Eastern Subregional173752

2023Donald is a postmanNEERC 2014 Eastern Subregional114553

1100Final StandingsTetrahedron Team Online Contest May 2001681254

1893A380NEERC 2011 Eastern Subregional285954

1327FusesAutumn School Contest 2004712655

1110PowerBulgarian Online Contest September 2001639358

1243Divorce of the Seven DwarfsUSU Personal Contest 2003659858

1493One Step from HappinessAutumn School Contest 2006608258

1349FarmSpring School Contest 2005668459

1607TaxiUSU Personal Contest 2008483660

1925British Scientists Save the WorldUral Regional School Programming Contest 2012201661

1496SpammerAutumn School Contest 2006563362

1545HieroglyphsUral Championship 2007532362

1636Penalty TimeUSU Championship 2008422063

1149Sinus Dances557766

1196History ExamSpring School Contest 2002567766

1837Isenbaev's NumberUral Championship 2011258667

1617Flat SpotsUral Championship 2008426168

1723Sandro's BookUral Regional School Programming Contest 2009335268

2002Test TaskUral Regional School Programming Contest 2013131268

2005Taxi for ProgrammersUral Regional School Programming Contest 2013130768

1654Cipher MessageNEERC 2008 Eastern Subregional385469

1563BayanUSU Championship 2007442370

1131CopyingUSU Championship 2001518971

1025Democracy in DangerAutumn School Contest 20001566972

1457Heating MainTimus Top Coders: Second Challenge516672

1224SpiralNEERC 2002 Central Subregional512074

1792Hamming CodeUral Regional School Programming Contest 2010260774

1935Tears of DrownedUral FU Championship 2012162075

2011Long StatementUral Regional School Programming Contest 2013117875

1712Cipher GrilleNEERC 2009 Eastern Subregional300476

2035Another Dress RehearsalUral Regional School Programming Contest 201477676

1083Factorials!!!Spring School Contest 20011292777

1502Domino DotsNEERC 2006 Eastern Subregional428281

1194HandshakesSpring School Contest 2002447083

1139City BlocksNEERC 2001 Central Subregional437484

1638BookwormUSU Championship 2008317784

1902Neo-VeniceUral Championship 2012144485

1106Two TeamsTetrahedron Team Online Contest May 2001425686

1120Sum of Sequential NumbersAutumn School Contest 2001427686

1290SabotageSpring School Contest 2004451286

1404Easy to Hack!Autumn School Contest 2005458187

2031Overturned NumbersUral Regional School Programming Contest 201466888

1180Stone GameUSU Personal Contest 2002412590

1796Amusement ParkUral Regional School Programming Contest 2010209292

1601AntiCAPSUSU Personal Contest 2008312193

1161StripiesNEERC 2001 Northern Subregional393194

1510OrderNEERC 2006 Eastern Subregional370394

1786Sandro's BiographyUral Regional School Programming Contest 2010204394

1119MetroAutumn School Contest 2001386695

16421D MazeAutumn School Contest 2008279495

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201393395

1005Stone PileUSU Championship 19971185796

1731DillUral Regional School Programming Contest 2009237196

2025Line FightingUral Regional School Programming Contest 201461196

1297PalindromeSpring School Contest 2004399397

1644A Whole Lot of WalnutsAutumn School Contest 2008272697

1009K-based NumbersUSU Championship 19971164298

1446Sorting HatUral Championship 2006381598

2033DevicesUral Regional School Programming Contest 2014585100

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013625101

1146Maximum SumDSAP Vietnam Online Contest November 20013649101

1873GOV ChroniclesUral Regional School Programming Contest 20111537101

1370MagicianUral Championship 2005. Round 23861102

1214Strange ProcedureAutumn School Contest 20023669103

1228ArrayNEERC 2002 Central Subregional3621104

1777AnindilyakwaUral SU Championship 20101847104

1136ParliamentNEERC 2001 Central Subregional3457107

1020RopeAutumn School Contest 200010510108

1014Product of DigitsUSU Local Contest. 199910374109

1118Nontrivial NumbersAutumn School Contest 20013392109

1573AlchemyAutumn School Contest 20072815109

1203Scientific ConferenceUSU Local Contest. March 20023364111

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional539111

1082Gaby IvanushkaSpring School Contest 20018895112

1296HyperjumpSpring School Contest 20043456112

1330IntervalsAutumn School Contest 20043508112

1192Ball in a DreamSpring School Contest 20023225115

2000Grand Theft Array VUral Regional School Programming Contest 2013769115

1079MaximumWinter Mathematical Festival Varna 20018718116

1582BookmakersNEERC 2007 Eastern Subregional2637116

1044Lucky Tickets. Easy!USU Championship 20009598117

1226esreveR redrONEERC 2002 Central Subregional3190118

1711Code NamesNEERC 2009 Eastern Subregional1931118

1126Magnetic StormsUSU Championship 20013042121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023071121

1219Symbolic SequenceUSU Championship 20023117121

1868Prediction ContestUral FU Championship 20111271123

1086CryptographySpring School Contest 20017954126

1123SalaryAutumn School Contest 20012929126

1683FridgeUSU Personal Contest 20091976127

1353Milliard Vasya's FunctionSpring School Contest 20053077128

1688Team.GOV!USU Personal Contest 20091950129

1931Excellent TeamUral FU Championship 2012928130

1283DwarfUSU Personal Contest 20042944131

1336Problem of Ben BetsalelAutumn School Contest 20042982131

1725Sold Out!Ural Regional School Programming Contest 20091742131

1964Chinese DialectsUral FU Personal Contest 2013764131

1984Dummy GuyOpen Ural FU Championship 2013686131

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101425134

1260Nudnik PhotographerAutumn School Contest 20032854135

1022Genealogical TreeAutumn School Contest 20008361136

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional655136

1021Sacrament of the SumAutumn School Contest 20008219138

1352Mersenne PrimesSpring School Contest 20052860138

1740Deer is Better!USU Championship 20091626139

1821BiathlonUSU Personal Contest 20111246141

1864Get-Together at Den'sUral FU Championship 20111106141

1222Chernobyl’ EaglesUSU Championship 20022658142

1612Tram ForumUral Championship 20082034142

1026Questions and AnswersAutumn School Contest 20007950143

1142RelationsDSAP Vietnam Online Contest November 20012575143

1402CocktailsAutumn School Contest 20052763143

1982Electrification PlanOpen Ural FU Championship 2013628143

1576Telephone TariffsAutumn School Contest 20072098146

2018The Debut AlbumNEERC 2014 Eastern Subregional405146

1084Goat in the GardenSpring School Contest 20016682150

1178Akbardin’s RoadsUSU Personal Contest 20022480150

1878Rubinchik's CubeUral Regional School Programming Contest 20111018153

1756One and a Half DiggersUSU Personal Contest 20101383154

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional791154

1572Yekaterinozavodsk Great WellAutumn School Contest 20071965156

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional781156

1306Sequence MedianUral Championship 19982453158

1210Kind SpiritsAutumn School Contest 20022309163

1944Record of the Attack at the OrbitUral FU Personal Contest 2012704163

1073Square CountryUSU Personal Contest 20016221164

1157Young TilerUral Championship 2001. Round 22247164

1135RecruitsNEERC 2001 Central Subregional2235165

1295Crazy NotionsSpring School Contest 20042350165

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101158165

1874Football GoalUral Regional School Programming Contest 2011943165

1017StaircasesUSU Local Contest. 19996828166

1167Bicolored HorsesRomanian Online Contest December 20012219167

1506Columns of NumbersNEERC 2006 Eastern Subregional2086167

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional354167

1709Penguin-AviaUral Championship 20091473168

1769Old Ural LegendUral Championship 20101238169

1800Murphy's LawNEERC 2010 Eastern Subregional1112170

1012K-based Numbers. Version 26619171

1213Cockroaches!Autumn School Contest 20022202171

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091329171

1869New Year CruiseUral FU Championship 2011914171

1280Topological SortingNEERC 2003 Central Subregional2211174

1789Searching for the DodecahedronUral Regional School Programming Contest 20101088175

1640Circle of WinterAutumn School Contest 20081507176

1613For Fans of StatisticsUral Championship 20081628177

1685OrthographyUSU Personal Contest 20091417177

1354Palindrome. Again PalindromeSpring School Contest 20052213178

1413Mars JumperUSU Championship 20052210178

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional331178

1048Superlong SumsUSU Local Contest. March 20006116181

1193Queue at the ExamSpring School Contest 20022050181

1272Non-Yekaterinburg SubwayUSU Championship 20032123181

1335White ThesisAutumn School Contest 20042152182

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1446182

1134CardsNEERC 2001 Central Subregional2009183

1586Threeprime NumbersNEERC 2007 Eastern Subregional1653184

1102Strange DialogTetrahedron Team Online Contest May 20011951187

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1369187

1846GCD 2010Petrozavodsk Summer 2010. USU Contest844187

1930Ivan's CarUral Regional School Programming Contest 2012648187

1164FillwordNEERC 2001 Northern Subregional1963188

1645Ski RaceAutumn School Contest 20081391190

1885Passenger ComfortNEERC 2011 Eastern Subregional808191

1114BoxesBulgarian Online Contest September 20011902193

1208Legendary Teams ContestUSU Local Contest. March 20021918194

1207Median on the PlaneUSU Local Contest. March 20021888197

1023ButtonsAutumn School Contest 20005706198

1133Fibonacci SequenceNEERC 2001 Central Subregional1863198

1138Integer PercentageNEERC 2001 Central Subregional1863198

1680The First NonqualifyingUSU Personal Contest 20091254200

1112CoverBulgarian Online Contest September 20011821202

1423String TaleTimus Top Coders: First Challenge1863204

1002Phone NumbersCentral European Olympiad in Informatics 19995387211

1249Ancient NecropolisUSU Local Contest. March 20031798211

2024Adventure TimeUral Regional School Programming Contest 2014272211

1348Goat in the Garden 2Spring School Contest 20051844213

1987Nested SegmentsOpen Ural FU Championship 2013418213

1152False MirrorsUral Championship 2001. Round 21727214

1200Horns and HoofsUSU Local Contest. March 20021727215

1737Mnemonics and Palindromes 3USU Championship 20091043216

1922Superhero TeamUral Regional School Programming Contest 2012558216

1515CashmasterTimus Top Coders: Third Challenge1572217

1889Airport AnnouncementsNEERC 2011 Eastern Subregional704219

1998The old PadawanNEERC 2013 Eastern Subregional403219

1052Rabbit HuntUSU Local Contest. March 20005034220

1011ConductorsUSU Championship 19975151221

2003Simple MagicUral Regional School Programming Contest 2013392222

1491Unreal StoryAutumn School Contest 20061557224

1125HopscotchUSU Championship 20011624226

1490Fire CircleAutumn School Contest 20061537227

1981Parallel and PerpendicularOpen Ural FU Championship 2013391227

1033LabyrinthUral Championship 19994927229

1795Husband in a ShopUral Regional School Programming Contest 2010827230

1024PermutationsAutumn School Contest 20004900231

1183Brackets SequenceNEERC 20011593233

1049Brave BalloonistsUSU Local Contest. March 20004722234

1333Genie Bomber 2Autumn School Contest 20041666234

1494MonobilliardsAutumn School Contest 20061482235

2021Scarily interesting!NEERC 2014 Eastern Subregional248235

1826MinefieldUSU Personal Contest 2011740237

1150Page NumbersUral Championship 2001. Round 21548238

1635Mnemonics and PalindromesUSU Championship 20081103241

1122GameAutumn School Contest 20011519242

1191Catch the thief!Spring School Contest 20021533242

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1626243

1355Bald Spot RevisitedSpring School Contest 20051602245

1108HeritageBulgarian Online Contest September 20011485247

1247Check a SequenceUSU Personal Contest 20031529247

1204IdempotentsUSU Local Contest. March 20021492248

1718RejudgeNEERC 2009 Eastern Subregional912249

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012483249

1113JeepBulgarian Online Contest September 20011469250

1205By the Underground or by Foot?USU Local Contest. March 20021483250

1603EruditeUSU Personal Contest 20081158250

1242WerewolfUSU Personal Contest 20031510251

1779The Great TeamUral SU Championship 2010758251

1010Discrete FunctionUSTU PhysTech Cup 20004508252

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013942255

1433DiamondsUSU Personal Contest 20061480255

1823Ideal GasUSU Personal Contest 2011687255

1298KnightSpring School Contest 20041505256

1933Guns for Battle!Ural FU Championship 2012463257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1289259

1195Ouths and CrossesSpring School Contest 20021408263

1303Minimal CoverageUral Championship 19981471263

1726VisitsUral Regional School Programming Contest 2009851266

1080Map ColoringWinter Mathematical Festival Varna 20013775267

1087The Time to Take StonesSpring School Contest 20013740267

1028StarsUral Championship 19994202269

1047Simple CalculationsUSU Local Contest. March 20004090270

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031403270

1109ConferenceBulgarian Online Contest September 20011354271

1989SubpalindromesOpen Ural FU Championship 2013324273

1220StacksUSU Championship 20021360276

1179Numbers in TextUSU Personal Contest 20021336277

1117HierarchyAutumn School Contest 20011316279

1590Bacon’s CipherNEERC 2007 Eastern Subregional1081281

1658Sum of DigitsNEERC 2008 Eastern Subregional929283

1537EntsUSU Personal Contest 20071169284

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014198286

1032Find a MultipleUral Championship 19993431287

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional655287

1053PinocchioNEERC 2000 Central Subregional3836288

1684Jack's Last WordUSU Personal Contest 2009868288

1211Collective GuaranteeAutumn School Contest 20021296289

1904The Lessons of the PastUral Championship 2012419289

1244GentlemenUSU Personal Contest 20031305290

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest743291

1497Cutting a SquareAutumn School Contest 20061192292

1741Communication FiendUSU Championship 2009769292

1018Binary Apple TreeUSU Local Contest. 19993851294

1184Cable MasterNEERC 20011251296

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional295297

1501Sense of BeautyNEERC 2006 Eastern Subregional1163298

1551Sumo TournamentUral Championship 20071094298

1941Scary Martian WordUral FU Personal Contest 2012381298

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1172299

1377Lara CroftUral Championship 2005. Round 11310301

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1160302

1753BookshelfUSU Personal Contest 2010696303

1793Tray 2Ural Regional School Programming Contest 2010624304

1215Exactness of Projectile HitAutumn School Contest 20021214309

1116Piecewise Constant FunctionAutumn School Contest 20011176312

1127Colored BricksUSU Championship 20011174312

1036Lucky Tickets3604313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest687314

1992CVSNEERC 2013 Eastern Subregional279314

2026Dean and ScheduleUral Regional School Programming Contest 2014179315

1995Illegal spicesNEERC 2013 Eastern Subregional276317

1121BranchesAutumn School Contest 20011147319

1190Bar of ChocolateSpring School Contest 20021156320

1934Black SpotUral FU Championship 2012370320

1008Image EncodingUSTU PhysTech Cup 20003536321

1294Mars SatellitesSpring School Contest 20041199321

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest774321

1153SupercomputerUral Championship 2001. Round 21141322

2034CaravansUral Regional School Programming Contest 2014174323

1302Delta-waveUral Championship 19981177328

1588JamaicaNEERC 2007 Eastern Subregional923329

1124MosaicUSU Championship 20011111330

1029MinistryUral Championship 19992980331

1901Space ElevatorsUral Championship 2012365331

1648YachtsAutumn School Contest 2008793332

1060Flip GameNEERC 20003126335

1137Bus RoutesNEERC 2001 Central Subregional1081339

1604Country of FoolsUSU Personal Contest 2008854339

1185WallNEERC 20011082342

1201Which Day Is It?USU Local Contest. March 20021080342

1227Rally ChampionshipNEERC 2002 Central Subregional1096342

1828Approximation by a ProgressionUSU Personal Contest 2011509342

1320Graph DecompositionUral Championship 2004. Round 21121344

1406Next NumberAutumn School Contest 20051141345

1031Railway TicketsUral Championship 19993255346

1923Scary PoliticsUral Regional School Programming Contest 2012345346

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014162346

1963KiteUral FU Personal Contest 2013283347

1223Chernobyl’ Eagle on a RoofUSU Championship 20021069350

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest446350

1140Swamp IncidentNEERC 2001 Central Subregional1042352

1521War Games 2Timus Top Coders: Third Challenge963353

1090In the Army NowUSU Local Contest. March 20012679354

1483Table FootballUSU Championship 2006983355

1262Pseudo-Roman NumberAutumn School Contest 20031070357

1007Code WordsUSU Championship 19973166359

1160NetworkNEERC 2001 Northern Subregional1044360

1218Episode N-th: The Jedi TournamentUSU Championship 20021037361

1450Russian PipelinesTimus Top Coders: Second Challenge1023361

1517Freedom of ChoiceTimus Top Coders: Third Challenge942361

1759Long-LiversUSU Personal Contest 2010583361

1783Nuclear Arms RaceUral SU Championship 2010522363

1282Game TreeNEERC 2003 Central Subregional1050364

1261TipsAutumn School Contest 20031047365

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional156365

1055CombinationsNEERC 2000 Central Subregional3016366

1292Mars Space StationsSpring School Contest 20041052366

1156Two RoundsUral Championship 2001. Round 21000367

1574Mathematicians and bracketsAutumn School Contest 2007828368

1246Tethered DogUSU Personal Contest 20031018370

1631Drunk King 2USU Championship 2008712371

1431DiplomasUSU Personal Contest 20061013372

1403CourierAutumn School Contest 20051056373

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional406376

1346Intervals of MonotonicityUSU Championship 20041036377

1651Shortest SubchainNEERC 2008 Eastern Subregional695377

1078SegmentsWinter Mathematical Festival Varna 20012655379

1229Strong BrickworkNEERC 2002 Central Subregional982381

1039Anniversary PartyUSU Championship 20002927382

1942Attack at the OrbitUral FU Personal Contest 2012295382

1860FiborialPetrozavodsk Summer 2011. USU Contest407383

1562GM-pineappleUSU Championship 2007793385

1259How to Become Star?Autumn School Contest 2003988386

1003ParityCentral European Olympiad in Informatics 19992928388

1015Test the Difference!USU Local Contest. 19992908389

1774Barber of the Army of MagesUral SU Championship 2010486389

2030Awesome Backup SystemUral Regional School Programming Contest 2014143389

1489Points on a ParallelepipedAutumn School Contest 2006888391

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest847392

1115ShipsBulgarian Online Contest September 2001929393

1176HyperchannelsUSU Personal Contest 2002938393

1279WarehouseNEERC 2003 Central Subregional967395

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest646397

1094E-screenUSU Local Contest. March 20012380398

1407One-two, One-twoAutumn School Contest 2005988398

1217Unlucky TicketsUSU Championship 2002935400

1427SMSTimus Top Coders: First Challenge942401

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest534402

1111SquaresBulgarian Online Contest September 2001905404

1289One Way TicketUSU Personal Contest 2004950404

1356Something EasierSpring School Contest 2005964406

1038Spell CheckerUSU Championship 20002738408

1732Ministry of TruthUSU Championship 2009548408

1141RSA Attack893410

1287Mars CanalsUSU Personal Contest 2004934411

1571InterpretersUSU Championship 2007740412

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional290412

1013K-based Numbers. Version 3145413

1107Warehouse ProblemTetrahedron Team Online Contest May 2001878413

1971Graphics SettingsUral Championship 2013227413

1495One-two, One-two 2Autumn School Contest 2006839414

1350CanteenSpring School Contest 2005942415

1480CouponsUSU Championship 2006837416

1602ElevatorUSU Personal Contest 2008690418

1077Travelling Tours869420

1089Verification with a VocabularySpring School Contest 20012373420

1507Difficult DecisionNEERC 2006 Eastern Subregional823420

1128Partition into GroupsUSU Championship 2001861425

1700AwakeningUral Championship 2009577425

1513Lemon TaleTimus Top Coders: Third Challenge796426

1202Rectangles TravelUSU Local Contest. March 2002864427

1181Cutting a Painted PolygonUSU Personal Contest 2002860428

1252Sorting the TombstonesUSU Local Contest. March 2003872432

1519Formula 1Timus Top Coders: Third Challenge785432

1019Line PaintingUSU Local Contest. 19992615433

1291Gear-wheelsSpring School Contest 2004888433

1776Anniversary FireworkUral SU Championship 2010436433

1641DutiesAutumn School Contest 2008601436

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional428436

1221Malevich Strikes Back!USU Championship 2002848441

1890Money out of Thin AirNEERC 2011 Eastern Subregional344441

1051Simple Game on a GridUSU Local Contest. March 20002476446

1416ConfidentialUSU Championship 2005874447

1728Curse on Team.GOVUral Regional School Programming Contest 2009502447

1129Door PaintingUSU Championship 2001804454

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001806454

1643Attack of the Dark FortressAutumn School Contest 2008574456

1258PoolAutumn School Contest 2003833457

1410CrackUSU Championship 2005853458

2004Scientists from SpilkovoUral Regional School Programming Contest 2013185458

2009Canteen LineUral Regional School Programming Contest 2013185458

1980Road to InvestorUral Championship 2013202462

1072RoutingUSU Personal Contest 20012192463

1189Pairs of IntegersNEERC 2001793464

1535The Hobbit or There and Back AgainUSU Personal Contest 2007705468

1900Brainwashing DeviceUral Championship 2012254470

1871Seismic WavesUral FU Championship 2011324472

1091Tmutarakan ExamsUSU Local Contest. March 20011998474

1162Currency ExchangeNEERC 2001 Northern Subregional773474

1155TroubleduonsUral Championship 2001. Round 2769476

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014115476

1428Jedi RiddleTimus Top Coders: First Challenge790477

1525PathPetrozavodsk Winter 2007. D.Gozman Contest693478

1236Decoding TaskNEERC 2002782479

1343Fairy TaleUSU Championship 2004812480

1870Zinium 2Ural FU Championship 2011316483

1628White StreaksUSU Championship 2008542485

1891Language OceanNEERC 2011 Eastern Subregional312485

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional115485

1095Nikifor 3USU Local Contest. March 20011936489


1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional459490

1928Another Ecology ProblemUral Regional School Programming Contest 2012240491

1884Way to the UniversityUral Regional School Programming Contest 2011309492

1273TieUSU Championship 2003772493

1401GamersAutumn School Contest 2005796493

1729Dead Man's ChestUral Regional School Programming Contest 2009454493

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest107493

1579Coat TransportationAutumn School Contest 2007614494

1066GarlandNEERC 20002103496

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014110496

1212BattleshipAutumn School Contest 2002749498

1329Galactic HistoryAutumn School Contest 2004776499

1754Explosion in a PyramidUSU Personal Contest 2010419499

1103Pencils and CirclesTetrahedron Team Online Contest May 2001722501

1430Crime and PunishmentTimus Top Coders: First Challenge751502

1990PodracingNEERC 2013 Eastern Subregional170503

1326Bottle TapsUral Championship 2004. Round 2761505

1316Electronic AuctionUral Championship 2004. Round 1758507

1056Computer NetNEERC 2000 Central Subregional2166508

1966Cycling RoadsUral FU Personal Contest 2013190508

1182Team Them Up!NEERC 2001723509

1838Samurai's StrokeUral Championship 2011328513

1962In Chinese RestaurantUral FU Personal Contest 2013188513

1158Censored!NEERC 2001 Northern Subregional712514

1322SpyUral Championship 2004. Round 2742518

1238FoldingNEERC 2002722519

1334CheckersAutumn School Contest 2004740523

1069Prufer CodeUSU Personal Contest 20011935524

1803The Czechs' RiflesNEERC 2010 Eastern Subregional354525

1577E-mailAutumn School Contest 2007576526

1366PresentsUral Championship 2005. Round 2741527

1045Funny GameUSU Local Contest. March 20002084529

1439Battle with You-Know-WhoUral Championship 2006696533

1143Electric PathDSAP Vietnam Online Contest November 2001684534

1939First SealUral FU Championship 2012217536

1600AirportUSU Personal Contest 2008532540

1400Cellular CharactersAutumn School Contest 2005724541

1806Mobile TelegraphsNEERC 2010 Eastern Subregional342543

1314Chase in SubwayUral Championship 2004. Round 1706544

1027D++ AgainAutumn School Contest 20002071545

1994The Emperor's planNEERC 2013 Eastern Subregional156546

1101Robot in the FieldTetrahedron Team Online Contest May 2001660547

1414Astronomical DatabaseUSU Championship 2005706552

1866Poetic FootUral FU Championship 2011275553

1064Binary SearchNEERC 20001885554

1710Boris, You Are Wrong!Ural Championship 2009438556

1822Hugo II's WarUSU Personal Contest 2011308558

1892Morning in KoltsovoNEERC 2011 Eastern Subregional270558

1903Unidentified ShipsUral Championship 2012212559

1605Devil's SequenceUSU Personal Contest 2008512560

1085MeetingSpring School Contest 20011774561

1362Classmates 2Ural Championship 2005. Round 2695561

1767The House of Doctor DeeUral Championship 2010366561

1061Buffer ManagerNEERC 20001857562


1713Key SubstringsNEERC 2009 Eastern Subregional397564

1004Sightseeing TripCentral European Olympiad in Informatics 19992009565

1550Dean's Pyramid 3Ural Championship 2007572565

1071Nikifor 2USU Personal Contest 20011792566

1698Square Country 5Petrozavodsk Winter 2009. USU Contest431570

1059ExpressionNEERC 2000 Central Subregional1928571

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005682571

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional206572

1650BillionairesNEERC 2008 Eastern Subregional454573

1701Ostap and PartnersUral Championship 2009425573

1437Gasoline StationUSU Personal Contest 2006651575

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest530576

1448Lighting in HogwartsUral Championship 2006642577

1421Credit OperationsTimus Top Coders: First Challenge647581

1534Football in GondorUSU Personal Contest 2007566581

1659Regular TrianglesNEERC 2008 Eastern Subregional444585

1070Local TimeUSU Personal Contest 20011732586

1760Infernal WorkUSU Personal Contest 2010355586

1445Christmas giftsUral Championship 2006631587

1592Chinese WatchesNEERC 2007 Eastern Subregional512588

1932The Secret of IdentifierUral FU Championship 2012196590

1375Bill CleversUral Championship 2005. Round 1662591

1682Crazy ProfessorUSU Personal Contest 2009418591

1172Ship RoutesRomanian Online Contest December 2001617592

1940Not So Simple YearsUral FU Championship 2012194596

2008SwiftyUral Regional School Programming Contest 2013140596

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest510598

1706Cipher Message 2Ural Championship 2009407598

1943Space RummyUral FU Personal Contest 2012185598

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest447599

1690Army of MagesPetrozavodsk Winter 2009. USU Contest410599

1054Hanoi TowerNEERC 2000 Central Subregional1825603

1067Disk TreeNEERC 20001701612

1358CablesSpring School Contest 2005635613

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest249616

1325DirtUral Championship 2004. Round 2616622

1961Cantonese DialectUral FU Personal Contest 2013153623

1309DisputeUral Championship 2004. Round 1614624

1465Pawn GamePetrozavodsk Winter 2006. USU Contest562628


1926The Tournament of IntelligencesUral Regional School Programming Contest 2012184633

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional184636

1974Similar TunesUral Championship 2013144636

1096Get the Right Route Plate!USU Local Contest. March 20011479639

1234BricksNEERC 2002579644

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup148647

1174Weird PermutationsRomanian Online Contest December 2001563648

1755CakeUSU Personal Contest 2010320648

1872Spacious OfficeUral FU Championship 2011233648

1088Ilya MurometzSpring School Contest 20011531649

1832Arirang ShowUral Championship 2011257650

1248Sequence SumUSU Personal Contest 2003575651

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup147651

1606SlalomUSU Personal Contest 2008439652

1253NecrologuesUSU Local Contest. March 2003573654

1254Die HardUSU Local Contest. March 2003573654

1542AutocompletionUral Championship 2007491656

1773Metro to Every HomeUral Championship 2010312656

1186Chemical ReactionsNEERC 2001557657

1452Pascal vs. C++Timus Top Coders: Second Challenge557658

1443RailsUral Championship 2006561659

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009336662

1986Paul’s SaladsOpen Ural FU Championship 2013127666

1830Help in the RNOSUral Championship 2011250667

1633HippogriffsUSU Championship 2008390670

1564Counting OnesUSU Championship 2007450672

1332Genie BomberAutumn School Contest 2004571676

1500Pass LicensesNEERC 2006 Eastern Subregional506678

1875Angry BirdsUral Regional School Programming Contest 2011220682

1371Cargo AgencyUral Championship 2005. Round 1571684

1988Planet Ocean LandingOpen Ural FU Championship 2013123686

1440Training ScheduleUral Championship 2006534692

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest501692

1629TripUSU Championship 2008374698

1772Ski-Trails for RobotsUral Championship 2010292699

1996Cipher Message 3NEERC 2013 Eastern Subregional119702

2017Best of a bad lotNEERC 2014 Eastern Subregional76705

1034Queens in Peaceful PositionsUral Championship 19991591706

1486Equal SquaresUSU Championship 2006489706

1286Starship TravelUSU Personal Contest 2004539707

1301Cube in LabyrinthUral Championship 1998540707

1274Fractional ArithmeticNEERC 2003 Central Subregional535708

1230Introspective ProgramNEERC 2002 Central Subregional522711

1775Space BowlingUral SU Championship 2010261713

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional257716

1780Gray CodeUral SU Championship 2010259718

1168Radio StationsRomanian Online Contest December 2001504722

1037Memory ManagementUSU Championship 20001541723

1057Amount of DegreesNEERC 2000 Central Subregional1517724

1611DecimationUral Championship 2008388727

1614National Project “Trams”Ural Championship 2008388727

1305Convex HullUral Championship 1998524728

1936RoshamboUral FU Championship 2012157728

1016Cube on the WalkUSU Local Contest. 19991536734

1825Ifrit Bomber 2USU Personal Contest 2011232734

1159FenceNEERC 2001 Northern Subregional494736

1235Cricket FieldNEERC 2002505736

1405Goat in the Garden 5Autumn School Contest 2005530736

1250Sea BurialUSU Local Contest. March 2003504741

1132Square Root489742

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest408744

1646Godzilla Strikes Back!Autumn School Contest 2008348744

1927Herbs and MagicUral Regional School Programming Contest 2012155744

1738Computer SecurityUSU Championship 2009293750

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest67750

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest463759

1587Flying PigNEERC 2007 Eastern Subregional394759

1512ZiniumTimus Top Coders: Third Challenge440764

1424MinibusTimus Top Coders: First Challenge488767

1484Film RatingUSU Championship 2006447771

1716Alternative SolutionNEERC 2009 Eastern Subregional288771

1169PairsRomanian Online Contest December 2001468776

1434Buses in VasyukiUSU Personal Contest 2006480776

1042Central HeatingUSU Championship 20001433777

1392Dreaming of Stars498782

1689Fisherman and BarbellUSU Personal Contest 2009311788

1720Summit Online JudgeNEERC 2009 Eastern Subregional281789

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest438790

1905Travel in TimeUral Championship 2012147790

1705Gangster HaresUral Championship 2009304794

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest219795

1030TitanicUral Championship 19991399803

1547Password SearchUral Championship 2007399804

1948The Robot on the LineUral FU Personal Contest 2012135804

1165SubnumberNEERC 2001 Northern Subregional449808

1276TrainNEERC 2003 Central Subregional466811

1593Square Country. Version 2304814

1647Divide an Island!Autumn School Contest 2008317815

1456Jedi Riddle 2Timus Top Coders: Second Challenge447816

1715Another Ball KillerNEERC 2009 Eastern Subregional271817

1824Ifrit BomberUSU Personal Contest 2011206822

1268Little ChuUSU Championship 2003459823

1105Observers ColoringTetrahedron Team Online Contest May 2001432829

1379Cups TransportationUral Championship 2005. Round 1469829

1979Resources DistributionUral Championship 2013108830

1269Obscene Words FilterUSU Championship 2003454831

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest466835

1921Chaos and OrderUral Regional School Programming Contest 2012137836

1970皇后像廣場Ural FU Personal Contest 2013111840

1630TalismanUSU Championship 2008308843

1608Lucky Tickets 2008Ural Championship 2008332846

1147Shaping RegionsDSAP Vietnam Online Contest November 2001427848

1949The Best Picture in the GalaxyUral FU Personal Contest 2012127851

1863Peaceful AtomUral FU Championship 2011175852

1836Babel FishUral Championship 2011193855

1154Mages ContestUral Championship 2001. Round 2423857

1883Ent's BirthdayUral Regional School Programming Contest 2011173857

1976Game OptimizationUral Championship 2013104859

1006Square FramesUSU Championship 19971309864

1761Binary PalindromeUSU Personal Contest 2010237866

1323ClassmatesUral Championship 2004. Round 2439867

1498Stroke at Full SpeedAutumn School Contest 2006395867

1436BillboardUSU Personal Contest 2006428868

1233Amusing NumbersNEERC 2002423875

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest240876

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest373877

1324Extra SpacesUral Championship 2004. Round 2432881

1578Mammoth HuntAutumn School Contest 2007339884

1983Nectar GatheringOpen Ural FU Championship 201393886

1937Davy Jones’s OrganUral FU Championship 2012127887

1342EnterpriseUSU Championship 2004434889

1373Pictura ex MachinaUral Championship 2005. Round 1435893

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest295898

1277Cops and ThievesNEERC 2003 Central Subregional419900

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest54902

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest387904

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest232905

1245PicturesUSU Personal Contest 2003410907

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest266911

1580Dean's DebtsAutumn School Contest 2007327915

1364LaraKillerUral Championship 2005. Round 2422916

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest164917

1575Yekaterinburg Subway 2Autumn School Contest 2007320934

1827Indigenous WarsUSU Personal Contest 2011180934

1278“… Connecting People”NEERC 2003 Central Subregional403935

1887Frequent Flyer CardNEERC 2011 Eastern Subregional157936

1237Evacuation PlanNEERC 2002395938

1285Thread in a HyperspaceUSU Personal Contest 2004404938

1730ManBearPigUral Regional School Programming Contest 2009232946

1784RoundersUral SU Championship 2010193951

1907Coffee and BunsUral Championship 2012120954

1422FirefliesTimus Top Coders: First Challenge389957

1879GOV-internship 2Ural Regional School Programming Contest 2011154957

1175Strange SequenceUSU Personal Contest 2002374970

1398Bishop and Pawn342971

1768Circular StringsUral Championship 2010207973

1862Very Wealthy MoleUral FU Championship 2011152973

1451Beerhouse TaleTimus Top Coders: Second Challenge373974

1040Airline CompanyUSU Championship 20001137977

1965Pear TreesUral FU Personal Contest 201394977

1569Networking the “Iset”USU Championship 2007305982

1418Military StoryUSU Championship 2005392984

1151RadiobeaconsUral Championship 2001. Round 2366987

1130Nikifor's WalkUSU Championship 2001363992

1331VladislavaAutumn School Contest 2004384996

1591Abstract ThinkingNEERC 2007 Eastern Subregional298996

1435Financial ErrorUSU Personal Contest 2006371998

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest301999

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3481003

1339BabiesUSU Championship 20043831004

1722Observation DeckUral Regional School Programming Contest 20092181004

2007Mutants versus MachinesUral Regional School Programming Contest 2013791004

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2471005

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101811008

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1121012

1311Stable ConstructionUral Championship 2004. Round 13701024

1985Prime SquareOpen Ural FU Championship 2013791025

1968Glass PyramidUral FU Personal Contest 2013891026

1518Jedi Riddle 3Timus Top Coders: Third Challenge3231032

1570Eating HighUSU Championship 20072891034

1539Intelligence DataUSU Personal Contest 20073131036

1687Numismatics for FunUSU Personal Contest 20092331041

1075Thread in a SpaceUSU Personal Contest 20019661045

1790Searching for the TruthUral Regional School Programming Contest 20101731052

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest441069

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1391075

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest1931079

1317HailUral Championship 2004. Round 23431103

1511Fiscal OperationsTimus Top Coders: Third Challenge3001109

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1541111

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1541111

1173Lazy SnailRomanian Online Contest December 20013231115

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1851123

1341DeviceUSU Championship 20043371137

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2191137

1627JoinPetrozavodsk Winter 2008. ITMO Contest2291146

1766Humpty DumptyUral Championship 20101741147

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3361148

1544Classmates 3Ural Championship 20072731161

1444ElephpotamusUral Championship 20063131165

1357Teakettle 1.0 for DummiesSpring School Contest 20053291166

1458War GamesTimus Top Coders: Second Challenge3101166

1447Portkey NetworkUral Championship 20063121169

1540Battle for the RingUSU Personal Contest 20072751174

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2041175

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup771175

1946Chinese Hockey 3Ural FU Personal Contest 2012891177

1408Polynomial MultiplicationAutumn School Contest 20053251186

1807Cartridges for MaximNEERC 2010 Eastern Subregional1511187

1947MeanderUral FU Personal Contest 2012881189

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2871191

1453QueenTimus Top Coders: Second Challenge3021196

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1231200

1686Photovoltaic SpaceshipUSU Personal Contest 20091991210

1307ArchiverUral Championship 2004. Round 13101216

1035Cross-stitchUral Championship 19999151220

1595Perfect Sequence1891221

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2401227

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2431228

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771228

1736Chinese HockeyUSU Championship 20091751229

1657Cube SnakeNEERC 2008 Eastern Subregional2061230

1359ConstructionSpring School Contest 20053101235

1310ACM DiagnosticsUral Championship 2004. Round 13041239

1487Chinese FootballUSU Championship 20062721249

1669Universal WordPetrozavodsk Winter 2008. USU Contest1981252

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2751260

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2561263

1321Floor IndicatorUral Championship 2004. Round 22981264

1546Japanese SortingUral Championship 20072501264

1538Towers of GuardUSU Personal Contest 20072521277

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391282

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional861286

1533Fat HobbitsUSU Personal Contest 20072491291

1050Preparing an ArticleUSU Local Contest. March 20008401304

1328FireballAutumn School Contest 20042901309

1177Like ComparisonsUSU Personal Contest 20022741312

1065FrontierNEERC 20007861318

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971323

1950Martian FarmlandsUral FU Personal Contest 2012781324

1097Square Country 2USU Local Contest. March 20017071327

1099Work Scheduling6371331

1360Philosophical DisputeUral Championship 2005. Round 22871332

1171Lost in SpaceRomanian Online Contest December 20012671340

1281River BasinNEERC 2003 Central Subregional2761350

1393Average Common Prefix2781361

1240Heroes of Might and MagicNEERC 20022671368

1499KerchiefsAutumn School Contest 20062451378

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2321389

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1471394

1762Search for a Hiding-PlaceUSU Personal Contest 20101411417

1419Maps of the Island WorldsUSU Championship 20052681423

1265MirrorUSU Championship 20032601429

1318LogarithmUral Championship 2004. Round 22621431

1266Kirchhoff's LawUSU Championship 20032591434

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2241436

1770The Party of Ural ChampionsUral Championship 20101371436

1299PsyloniansSpring School Contest 20042601439

1449Credit Operations 2Timus Top Coders: Second Challenge2491440

1802Cube PuzzleNEERC 2010 Eastern Subregional1221448

1345HTMLUSU Championship 20042611456

1347BlogSpring School Contest 20052611458

1412Autumn TideUSU Championship 20052611459

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup601461

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2311468

1441From the History of Gringotts BankUral Championship 20062461470

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest291480

1043Cover an ArcUSU Championship 20007471481

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1131481

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup591482

1170DesertRomanian Online Contest December 20012391491

1908Brute-force SearchUral Championship 2012731495

1764TranssibUral Championship 20101311497

1251Cemetery ManagerUSU Local Contest. March 20032421512

1886Trip 2NEERC 2011 Eastern Subregional921532

1241Inlay CuttersNEERC 20022371537

1565The Duel for ThreeUSU Championship 20071911538

1894Non-Flying WeatherNEERC 2011 Eastern Subregional911547

2022Riding a ToadNEERC 2014 Eastern Subregional291555

1568Train Car SortingUSU Championship 20071871569

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2151572

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1541574

1337BureaucracyAutumn School Contest 20042361596

1782Jack's New WordUral SU Championship 20101111596

1831Tsyfirkin's LessonUral Championship 2011981606

1485Football and LieUSU Championship 20062081615

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2351622

1670AsteriskPetrozavodsk Summer 2008. USU Contest1491624

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest881628

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1241634

1969Hong Kong TramUral FU Personal Contest 2013521639

1583CheeseNEERC 2007 Eastern Subregional1771641

1734Endgame DatabaseUSU Championship 20091281648

1488ACM PokerUSU Championship 20062031653

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2301656

1707Hypnotoad's SecretUral Championship 20091401662

1062TriathlonNEERC 20006171672

1516NostalgiaTimus Top Coders: Third Challenge1951677

1610CactusesUral Championship 20081601702

1841CablewaysPetrozavodsk Summer 2010. USU Contest841703

1702CrossroadUral Championship 20091361707

1420Integer-Valued Complex DivisionUSU Championship 20052201719

1046Geometrical DreamsUSU Local Contest. March 20006341721

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921731

1257HyphenationAutumn School Contest 20032121736

1338AutomobilesUSU Championship 20042171739

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest811753

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1811759

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012001764

1615Tram SolitaireUral Championship 20081541764

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional601764

1977Energy WallUral Championship 2013451780

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest921786

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1901795

1514National ParkTimus Top Coders: Third Challenge1811799

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791799

1492Vasya's Dad 2Autumn School Contest 20061841811

1417Space Poker 2USU Championship 20052071822

1304ParallelepipedUral Championship 19982031825

1839The MentaculusUral Championship 2011851826

1425Queen 2Timus Top Coders: First Challenge1991827

1378Artificial IntelligenceUral Championship 2005. Round 12061839

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1091840

1093DartsUSU Local Contest. March 20015041851

1781Clean CodeUral SU Championship 2010931875

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1551884

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1271885

1163ChapaevNEERC 2001 Northern Subregional1861893

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1251912

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1251912

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest851917

1216Two Pawns and One KingUSU Championship 20021851939

1503PolynomialNEERC 2006 Eastern Subregional1701942

1945Many-armed BrothersUral FU Personal Contest 2012501942

1532Lost in TranslationUSU Personal Contest 20071621945

1455Freedom of SpeechTimus Top Coders: Second Challenge1811953

1634Spider MiteUSU Championship 20081271956

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231958

1703Robotic ArmUral Championship 20091171963

1187Statistical TroubleNEERC 20011791973

1757Gold BarsUSU Personal Contest 2010981981

1396Maximum. Version 21761993

1148Building TowersDSAP Vietnam Online Contest November 20011742014

1188LibraryNEERC 20011732038

1972Game TestingUral Championship 2013382040

1833Hopes of RowingUral Championship 2011752041

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1752045

1063Domino PuzzleNEERC 20005022047

1267Yekaterinburg SubwayUSU Championship 20031782052

1232Asteroid LandingNEERC 2002 Central Subregional1732067

1867NanotechnologiesUral FU Championship 2011662073

1288AstrolocationUSU Personal Contest 20041772076

1315MDPAR and MIIARUral Championship 2004. Round 11752103

1041NikiforUSU Championship 20005232104

1543Dance RevolutionUral Championship 20071452121

1549Another Japanese PuzzleUral Championship 20071452121

1092TransversalUSU Local Contest. March 20014382124

1541ChaseUSU Personal Contest 20071472130

1397Points Game1562132

1850Space TourismPetrozavodsk Summer 2010. USU Contest652135

1074Very Short ProblemUSU Personal Contest 20014652147

1504Good MannersNEERC 2006 Eastern Subregional1522158

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21722174

1652Banking CrisisNEERC 2008 Eastern Subregional1122178

1835Swamp DoctorUral Championship 2011692196

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1082207

1978E-LiteUral Championship 2013342226

1655Somali PiratesNEERC 2008 Eastern Subregional1082252

1270UnicubeUSU Championship 20031612256

1256Cemetery GuardUSU Local Contest. March 20031582269

1368Goat in the Garden 3Ural Championship 2005. Round 21632287

2006Kirill the GardenerUral Regional School Programming Contest 2013292292

1758Bald Spot Revisited 2USU Personal Contest 2010832301

1481Winning ChancesUSU Championship 20061432302

1882Old NokiaUral Regional School Programming Contest 2011582308

1739FaryuksUSU Championship 2009882320

1284Space PokerUSU Personal Contest 20041572325

1829Routing TablesUSU Personal Contest 2011652367

1895Steaks on BoardNEERC 2011 Eastern Subregional562368

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest142405

1865The Island of MärketUral FU Championship 2011542462

1717Eligibility RulesNEERC 2009 Eastern Subregional832469

1735Theft of the CenturyUSU Championship 2009822472

1275Knights of the Round TableNEERC 2003 Central Subregional1452491

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional392519

1704DemodulationUral Championship 2009882544

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest612565

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest522573

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional792580

1300TaxesUral Championship 19981402592

1609Tram TileUral Championship 20081012607

1308Dean's PyramidUral Championship 2004. Round 11392612

1312TrayUral Championship 2004. Round 11382629

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1082634

1520Empire Strikes BackTimus Top Coders: Third Challenge1202644

1454Rectangles 2Timus Top Coders: Second Challenge1312645

1975Model of the EarthUral Championship 2013272647

1239Ghost BustersNEERC 20021322669

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup282690

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest492714

1566Triangular PostcardsUSU Championship 20071022761

1505Oil TransferNEERC 2006 Eastern Subregional1162775

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1172786

1858Magic CubePetrozavodsk Summer 2011. USU Contest472799

1694Killer WordsPetrozavodsk Winter 2009. USU Contest792826

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup262840

1856War and PeacePetrozavodsk Summer 2011. USU Contest462849

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest782858

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest812862

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest102886

1938Caribbean TriangleUral FU Championship 2012322894

1681Brother Bear's GardenUSU Personal Contest 2009772908

1637Triangle Game 2USU Championship 2008822912

1597Chernobyl’ Eagle on a Roof. Version 2122955

1482Triangle GameUSU Championship 20061092959

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest642959

141140 Islands KnightsUSU Championship 20051232973

1442Floo PowderUral Championship 20061153011

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest93038

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest723067

1957MundialPetrozavodsk Winter 2013. Kontur Cup233098

1367Top SecretUral Championship 2005. Round 21173115

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest483141

1622EndspielPetrozavodsk Winter 2008. ITMO Contest773148

1834Tennis RacketUral Championship 2011453154

1395Pascal vs. C++. Version 21083155

1464LightPetrozavodsk Winter 2006. USU Contest1033177

2016Magic and ScienceNEERC 2014 Eastern Subregional93192

1058ChocolateNEERC 2000 Central Subregional3333217

1438Time Limit ExceededUSU Personal Contest 20061083221

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest753223

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional283249

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest463253

1909Space ReconUral Championship 2012283265

1166Funny Card GameNEERC 2001 Northern Subregional1053353

1616Square Country 4Ural Championship 2008753404

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest373406

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup203408

1429BiscuitsTimus Top Coders: First Challenge1023410

1999The secret moduleNEERC 2013 Eastern Subregional163484

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1043486

1466Magic SquarePetrozavodsk Winter 2006. USU Contest933486

1632LasersUSU Championship 2008653573

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest63607

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest63608

1733Forgotten TechnologyUSU Championship 2009533609

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest763614

1765Error 404Ural Championship 2010483639


1509Domino RecognitionNEERC 2006 Eastern Subregional843719

1847ZamkadyePetrozavodsk Summer 2010. USU Contest333724

1973Location GeneratorUral Championship 2013153917

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest913934

1778Chinese Hockey 2Ural SU Championship 2010384024

1661DodecahedronPetrozavodsk Winter 2008. USU Contest534134

1967Programmer CasinoUral FU Personal Contest 2013144234

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest694253

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest514269

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest714367

1271Sailing DirectionsUSU Championship 2003774434

1594Aztec Treasure444507

1771A Deputy's MorningUral Championship 2010364588

1344Gigantic TurnipUSU Championship 2004764589

1763Expert FleaUral Championship 2010364589

1460WiresPetrozavodsk Winter 2006. USU Contest684603

1340CucarachaUSU Championship 2004754643

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest664655

1598DSA Attack34835

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest424836

1797Summit Online Judge. Version 2164839

1801The Revolution CupNEERC 2010 Eastern Subregional294900

1426RectanglesTimus Top Coders: First Challenge665025

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest595127

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest665229

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest415371

1365Testing CalculatorUral Championship 2005. Round 2635420

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest195501

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest395590

1372Death StarUral Championship 2005. Round 1615596

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest615597

1906The Lost CivilizationUral Championship 2012125640

1848Fly HuntPetrozavodsk Summer 2010. USU Contest166158

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest316352

1668Death Star 2Petrozavodsk Winter 2008. USU Contest316352

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest456432

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest186505

1674Drunk KingPetrozavodsk Summer 2008. USU Contest296620

1842Local RootsPetrozavodsk Summer 2010. USU Contest146671

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest316681

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional296813

1653Death ConveyorNEERC 2008 Eastern Subregional277180

1363HalftonesUral Championship 2005. Round 2457193

1548Sakura and StatisticsUral Championship 2007357304

1536Delights of Pipe-weedUSU Personal Contest 2007337779

1596Knight Mare87998

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest238300

1432Twofold LuckUSU Personal Contest 2006358447

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup28516

1840Victim of AdvertisingUral Championship 201199131

1376Dean's Pyramid 2Ural Championship 2005. Round 1339239

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest239417

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest179562

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1410757

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1310935

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2511354

1415Mobile LifeUSU Championship 20052411627

1374MisereUral Championship 2005. Round 12411685

1399Economical Director1812201

1708Sum of Digits 2Ural Championship 20091012461

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1412949

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2013246

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1513440

1369Cockroach RaceUral Championship 2005. Round 21317201

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218063

1589SokobanNEERC 2007 Eastern Subregional323597

1394Ships. Version 2330569