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Problem set


1001Reverse Root2379516

1000A+B Problem8120617

1785Lost in LocalizationUral Regional School Programming Contest 20101462017

1293EniyaSpring School Contest 20042359318

2012About Grisha N.NEERC 2014 Eastern Subregional690719

1409Two GangstersAutumn School Contest 20052265120

1877Bicycle CodesUral Regional School Programming Contest 20111043921

2001Mathematicians and BerriesUral Regional School Programming Contest 2013625325

1264WorkdaysAutumn School Contest 20031641426

1787Turn for MEGAUral Regional School Programming Contest 2010899828

1820Ural SteaksUSU Personal Contest 2011861428

1197Lonesome KnightSpring School Contest 20021373831

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011682032

2066Simple ExpressionUral Regional School Programming Contest 2015323132

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional551534

1639Chocolate 2Autumn School Contest 2008929735

1924Four ImpsUral Regional School Programming Contest 2012523036

2023Donald is a postmanNEERC 2014 Eastern Subregional352437

1313Some Words about SportUral Championship 2004. Round 11114639

2100Wedding DinnerUral FU Junior Championship 2016187139

12091, 10, 100, 1000...Autumn School Contest 20021061240


1225FlagsNEERC 2002 Central Subregional1039841

1319HotelUral Championship 2004. Round 21027542

1567SMS-spamUSU Championship 2007848842

1581TeamworkAutumn School Contest 2007828643

1585PenguinsNEERC 2007 Eastern Subregional796645

1263ElectionsAutumn School Contest 2003926846

1991The battle near the swampNEERC 2013 Eastern Subregional335547

1100Final StandingsTetrahedron Team Online Contest May 2001838049

1327FusesAutumn School Contest 2004867050

1876Centipede's MorningUral Regional School Programming Contest 2011427651

1493One Step from HappinessAutumn School Contest 2006753153

1243Divorce of the Seven DwarfsUSU Personal Contest 2003792054

1110PowerBulgarian Online Contest September 2001750955

1349FarmSpring School Contest 2005791956

1607TaxiUSU Personal Contest 2008617256

1881Long problem statementUral Regional School Programming Contest 2011389856

1893A380NEERC 2011 Eastern Subregional391056

1545HieroglyphsUral Championship 2007658357

1496SpammerAutumn School Contest 2006679459

1196History ExamSpring School Contest 2002687761

1636Penalty TimeUSU Championship 2008527661

1837Isenbaev's NumberUral Championship 2011385861

1925British Scientists Save the WorldUral Regional School Programming Contest 2012300063

1149Sinus Dances655464

1563BayanUSU Championship 2007563564

1654Cipher MessageNEERC 2008 Eastern Subregional497164

2056ScholarshipUral Championship 2015178164

1723Sandro's BookUral Regional School Programming Contest 2009436865

1617Flat SpotsUral Championship 2008517266

2002Test TaskUral Regional School Programming Contest 2013229568

2035Another Dress RehearsalUral Regional School Programming Contest 2014189568

1025Democracy in DangerAutumn School Contest 20001839170

1224SpiralNEERC 2002 Central Subregional605170

1457Heating MainTimus Top Coders: Second Challenge597970

1083Factorials!!!Spring School Contest 20011550573

2031Overturned NumbersUral Regional School Programming Contest 2014170875

1935Tears of DrownedUral FU Championship 2012246176

1792Hamming CodeUral Regional School Programming Contest 2010328377

2005Taxi for ProgrammersUral Regional School Programming Contest 2013204677

1131CopyingUSU Championship 2001530278

1502Domino DotsNEERC 2006 Eastern Subregional510078

1638BookwormUSU Championship 2008414278

1712Cipher GrilleNEERC 2009 Eastern Subregional362879

1106Two TeamsTetrahedron Team Online Contest May 2001517780

1119MetroAutumn School Contest 2001520180

1139City BlocksNEERC 2001 Central Subregional521380

2068Game of NutsUral Regional School Programming Contest 2015124981

1194HandshakesSpring School Contest 2002513782

1290SabotageSpring School Contest 2004526482

2011Long StatementUral Regional School Programming Contest 2013188483

1120Sum of Sequential NumbersAutumn School Contest 2001493984

1404Easy to Hack!Autumn School Contest 2005526784

1146Maximum SumDSAP Vietnam Online Contest November 2001478487

1180Stone GameUSU Personal Contest 2002481287

1297PalindromeSpring School Contest 2004483190

1005Stone PileUSU Championship 19971421591

1510OrderNEERC 2006 Eastern Subregional434791

1601AntiCAPSUSU Personal Contest 2008376192

1161StripiesNEERC 2001 Northern Subregional449593

1203Scientific ConferenceUSU Local Contest. March 2002448693

1446Sorting HatUral Championship 2006447594

2025Line FightingUral Regional School Programming Contest 2014136994

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001433495

1370MagicianUral Championship 2005. Round 2462295

1009K-based NumbersUSU Championship 19971338396

16421D MazeAutumn School Contest 2008334996

1644A Whole Lot of WalnutsAutumn School Contest 2008330097

1796Amusement ParkUral Regional School Programming Contest 2010260197

1902Neo-VeniceUral Championship 2012193497

2033DevicesUral Regional School Programming Contest 2014130998

1731DillUral Regional School Programming Contest 2009288799

1118Nontrivial NumbersAutumn School Contest 20014150100

1786Sandro's BiographyUral Regional School Programming Contest 20102523100

1136ParliamentNEERC 2001 Central Subregional4118101

1296HyperjumpSpring School Contest 20044281101

1214Strange ProcedureAutumn School Contest 20024145102

2018The Debut AlbumNEERC 2014 Eastern Subregional1270102

1014Product of DigitsUSU Local Contest. 199912412104

1020RopeAutumn School Contest 200012379104

1228ArrayNEERC 2002 Central Subregional4055104

1330IntervalsAutumn School Contest 20044135106

1126Magnetic StormsUSU Championship 20013873107

1573AlchemyAutumn School Contest 20073340107

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131466107

1192Ball in a DreamSpring School Contest 20023770111

1777AnindilyakwaUral SU Championship 20102263111

1079MaximumWinter Mathematical Festival Varna 200110137112

1353Milliard Vasya's FunctionSpring School Contest 20053922112

1086CryptographySpring School Contest 20019870114

1226esreveR redrONEERC 2002 Central Subregional3703114

1082Gaby IvanushkaSpring School Contest 20019664117

1582BookmakersNEERC 2007 Eastern Subregional3053117

1219Symbolic SequenceUSU Championship 20023590118

1260Nudnik PhotographerAutumn School Contest 20033650118

1044Lucky Tickets. Easy!USU Championship 200010676119

1123SalaryAutumn School Contest 20013394122

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023415123

1711Code NamesNEERC 2009 Eastern Subregional2317123

1283DwarfUSU Personal Contest 20043476124

1336Problem of Ben BetsalelAutumn School Contest 20043508124

2102Michael and CryptographyUral FU Junior Championship 2016575124

1982Electrification PlanUral FU Championship 20131230128

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1014128

1683FridgeUSU Personal Contest 20092382129

1688Team.GOV!USU Personal Contest 20092389129

2000Grand Theft Array VUral Regional School Programming Contest 20131197130

1352Mersenne PrimesSpring School Contest 20053296133

1725Sold Out!Ural Regional School Programming Contest 20092151133

1022Genealogical TreeAutumn School Contest 20009411136

1402CocktailsAutumn School Contest 20053222137

1868Prediction ContestUral FU Championship 20111592138

1021Sacrament of the SumAutumn School Contest 20009139140

1222Chernobyl’ EaglesUSU Championship 20023012140

1740Deer is Better!USU Championship 20091997142

1167Bicolored HorsesRomanian Online Contest December 20012899144

1612Tram ForumUral Championship 20082361144

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101739144

1964Chinese DialectsUral FU Personal Contest 20131160144

1576Telephone TariffsAutumn School Contest 20072474145

1931Excellent TeamUral FU Championship 20121276145

1178Akbardin’s RoadsUSU Personal Contest 20022864146

1026Questions and AnswersAutumn School Contest 20008731147

1084Goat in the GardenSpring School Contest 20017701147

1142RelationsDSAP Vietnam Online Contest November 20012834147

1572Yekaterinozavodsk Great WellAutumn School Contest 20072445147

1864Get-Together at Den'sUral FU Championship 20111450151

1210Kind SpiritsAutumn School Contest 20022786152

1821BiathlonUSU Personal Contest 20111550153

1306Sequence MedianUral Championship 19982807154

1073Square CountryUSU Personal Contest 20017416155

2069Hard RockUral Regional School Programming Contest 2015652155

1280Topological SortingNEERC 2003 Central Subregional2745157

1354Palindrome. Again PalindromeSpring School Contest 20052802157

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1981157

1709Penguin-AviaUral Championship 20091940157

1017StaircasesUSU Local Contest. 19998122158

1295Crazy NotionsSpring School Contest 20042746158

1984Dummy GuyUral FU Championship 2013995158

1586Threeprime NumbersNEERC 2007 Eastern Subregional2239159

2073Log FilesUral Regional School Programming Contest 2015632159

1272Non-Yekaterinburg SubwayUSU Championship 20032668161

1756One and a Half DiggersUSU Personal Contest 20101686161

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1361162

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional962163

1135RecruitsNEERC 2001 Central Subregional2538164

1506Columns of NumbersNEERC 2006 Eastern Subregional2411164

1613For Fans of StatisticsUral Championship 20082059165

1157Young TilerUral Championship 2001. Round 22508166

1874Football GoalUral Regional School Programming Contest 20111296168

1213Cockroaches!Autumn School Contest 20022485170

1012K-based Numbers. Version 27448172

1640Circle of WinterAutumn School Contest 20081848173

1878Rubinchik's CubeUral Regional School Programming Contest 20111259173

1152False MirrorsUral Championship 2001. Round 22360176

1413Mars JumperUSU Championship 20052485177

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101414177

1207Median on the PlaneUSU Local Contest. March 20022352178

1335White ThesisAutumn School Contest 20042453178

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1048178

1102Strange DialogTetrahedron Team Online Contest May 20012302179

1134CardsNEERC 2001 Central Subregional2323179

1685OrthographyUSU Personal Contest 20091712179

1193Queue at the ExamSpring School Contest 20022323180

1930Ivan's CarUral Regional School Programming Contest 20121033180

2091Natural SelectionUral FU Personal Contest 2014445181

1769Old Ural LegendUral Championship 20101470182

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091556183

1800Murphy's LawNEERC 2010 Eastern Subregional1358184

1133Fibonacci SequenceNEERC 2001 Central Subregional2243185

1048Superlong SumsUSU Local Contest. March 20006725186

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015541186

1423String TaleTimus Top Coders: First Challenge2271188

1494MonobilliardsAutumn School Contest 20062120188

1789Searching for the DodecahedronUral Regional School Programming Contest 20101333188

1114BoxesBulgarian Online Contest September 20012187189

1944Record of the Attack at the OrbitUral FU Personal Contest 2012954189

1645Ski RaceAutumn School Contest 20081671191

1208Legendary Teams ContestUSU Local Contest. March 20022181192

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional976192

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1640194

1164FillwordNEERC 2001 Northern Subregional2124196

1348Goat in the Garden 2Spring School Contest 20052224197

1885Passenger ComfortNEERC 2011 Eastern Subregional1100197

1112CoverBulgarian Online Contest September 20012082199

1869New Year CruiseUral FU Championship 20111097199

2070Interesting NumbersUral Regional School Programming Contest 2015504199

1138Integer PercentageNEERC 2001 Central Subregional2078200

1680The First NonqualifyingUSU Personal Contest 20091516202

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional636202

2105Alice and Bob are on BikesUral FU Junior Championship 2016350202

1023ButtonsAutumn School Contest 20006323203

1987Nested SegmentsUral FU Championship 2013766205

2095ScrumUral FU Personal Contest 2014393205

1635Mnemonics and PalindromesUSU Championship 20081551207

1183Brackets SequenceNEERC 20011988210

1490Fire CircleAutumn School Contest 20061897210

1002Phone NumbersCentral European Olympiad in Informatics 19996024214

1249Ancient NecropolisUSU Local Contest. March 20031984214

2065Different SumsUral Regional School Programming Contest 2015468214

2098Lada PrioraUral FU Personal Contest 2014375214

1515CashmasterTimus Top Coders: Third Challenge1789218

1242WerewolfUSU Personal Contest 20031937219

1491Unreal StoryAutumn School Contest 20061808220

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional584220

1333Genie Bomber 2Autumn School Contest 20041966222

1052Rabbit HuntUSU Local Contest. March 20005614223

1013K-based Numbers. Version 3588224

1125HopscotchUSU Championship 20011832226

1737Mnemonics and Palindromes 3USU Championship 20091245227

1011ConductorsUSU Championship 19975610229

1204IdempotentsUSU Local Contest. March 20021820229

1355Bald Spot RevisitedSpring School Contest 20051903230

1033LabyrinthUral Championship 19995537231

1590Bacon’s CipherNEERC 2007 Eastern Subregional1541231

1795Husband in a ShopUral Regional School Programming Contest 20101086231

1303Minimal CoverageUral Championship 19981865232

1205By the Underground or by Foot?USU Local Contest. March 20021766236

1049Brave BalloonistsUSU Local Contest. March 20005292237

1122GameAutumn School Contest 20011746237

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1687237

1150Page NumbersUral Championship 2001. Round 21730240

1247Check a SequenceUSU Personal Contest 20031753242

1191Catch the thief!Spring School Contest 20021717243

2067Friends and BerriesUral Regional School Programming Contest 2015409244

1108HeritageBulgarian Online Contest September 20011688245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1792245

2024Adventure TimeUral Regional School Programming Contest 2014518246

1658Sum of DigitsNEERC 2008 Eastern Subregional1286247

1200Horns and HoofsUSU Local Contest. March 20021677249

1603EruditeUSU Personal Contest 20081377249

1109ConferenceBulgarian Online Contest September 20011652250

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014494253

1113JeepBulgarian Online Contest September 20011629254

1433DiamondsUSU Personal Contest 20061663255

1889Airport AnnouncementsNEERC 2011 Eastern Subregional851255

1080Map ColoringWinter Mathematical Festival Varna 20014449256

1195Ouths and CrossesSpring School Contest 20021624257

1298KnightSpring School Contest 20041681257

1826MinefieldUSU Personal Contest 2011915258

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1475260

1922Superhero TeamUral Regional School Programming Contest 2012715260

1684Jack's Last WordUSU Personal Contest 20091167262

1010Discrete FunctionUSTU PhysTech Cup 20004870264

1726VisitsUral Regional School Programming Contest 20091073264

1028StarsUral Championship 19994825265

1718RejudgeNEERC 2009 Eastern Subregional1060268

2104Game with a StripUral FU Junior Championship 2016261268

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031579269

1741Communication FiendUSU Championship 20091046270

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1475271

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1012271

1087The Time to Take StonesSpring School Contest 20014145272

1117HierarchyAutumn School Contest 20011520272

2034CaravansUral Regional School Programming Contest 2014466272

1244GentlemenUSU Personal Contest 20031551274

1501Sense of BeautyNEERC 2006 Eastern Subregional1431276

1179Numbers in TextUSU Personal Contest 20021499278

2003Simple MagicUral Regional School Programming Contest 2013553279

1220StacksUSU Championship 20021506280

1537EntsUSU Personal Contest 20071362280

1998The old PadawanNEERC 2013 Eastern Subregional553281

1779The Great TeamUral SU Championship 2010885283

1823Ideal GasUSU Personal Contest 2011831284

1018Binary Apple TreeUSU Local Contest. 19994458288

1047Simple CalculationsUSU Local Contest. March 20004348288

1521War Games 2Timus Top Coders: Third Challenge1338291

1377Lara CroftUral Championship 2005. Round 11505292

1032Find a MultipleUral Championship 19993789294

1497Cutting a SquareAutumn School Contest 20061349294

1184Cable MasterNEERC 20011415295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest928296

1024PermutationsAutumn School Contest 20004318297

1036Lucky Tickets4279298

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012620299

1753BookshelfUSU Personal Contest 2010899300

1989SubpalindromesUral FU Championship 2013518301

1551Sumo TournamentUral Championship 20071245302

1137Bus RoutesNEERC 2001 Central Subregional1369303

1934Black SpotUral FU Championship 2012606304

1215Exactness of Projectile HitAutumn School Contest 20021381305

1053PinocchioNEERC 2000 Central Subregional4066307

1153SupercomputerUral Championship 2001. Round 21351307

1124MosaicUSU Championship 20011339309

1190Bar of ChocolateSpring School Contest 20021344310

1933Guns for Battle!Ural FU Championship 2012593310

1127Colored BricksUSU Championship 20011331311

1981Parallel and PerpendicularUral FU Championship 2013502311

2108Oleg and Little PoniesUral FU Junior Championship 2016224311

1227Rally ChampionshipNEERC 2002 Central Subregional1343314

1450Russian PipelinesTimus Top Coders: Second Challenge1328314

1116Piecewise Constant FunctionAutumn School Contest 20011313315

1294Mars SatellitesSpring School Contest 20041367315

1517Freedom of ChoiceTimus Top Coders: Third Challenge1233316

2021Scarily interesting!NEERC 2014 Eastern Subregional404316

1320Graph DecompositionUral Championship 2004. Round 21352319

1346Intervals of MonotonicityUSU Championship 20041361321

1992CVSNEERC 2013 Eastern Subregional484321

1588JamaicaNEERC 2007 Eastern Subregional1103322

1604Country of FoolsUSU Personal Contest 20081064322

1185WallNEERC 20011291323

1160NetworkNEERC 2001 Northern Subregional1301324

1211Collective GuaranteeAutumn School Contest 20021301324

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional766324

1302Delta-waveUral Championship 19981310329

1121BranchesAutumn School Contest 20011254330

1218Episode N-th: The Jedi TournamentUSU Championship 20021273331

1223Chernobyl’ Eagle on a RoofUSU Championship 20021273331

1793Tray 2Ural Regional School Programming Contest 2010750332

1008Image EncodingUSTU PhysTech Cup 20003847334

1029MinistryUral Championship 19993332334

1156Two RoundsUral Championship 2001. Round 21230337

1406Next NumberAutumn School Contest 20051298338

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1130338

1941Scary Martian WordUral FU Personal Contest 2012529338

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest895340

2062Ambitious ExperimentUral Regional School Programming Contest 2015291340

2046The First Day at SchoolUral Championship 2015326342

1201Which Day Is It?USU Local Contest. March 20021215343

1282Game TreeNEERC 2003 Central Subregional1241345

1651Shortest SubchainNEERC 2008 Eastern Subregional918345

1246Tethered DogUSU Personal Contest 20031224346

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest788347

2063Black and WhiteUral Regional School Programming Contest 2015285347

1261TipsAutumn School Contest 20031229348

1431DiplomasUSU Personal Contest 20061211349

1495One-two, One-two 2Autumn School Contest 20061135349

1060Flip GameNEERC 20003376350

1648YachtsAutumn School Contest 2008908350

1090In the Army NowUSU Local Contest. March 20013032353

1031Railway TicketsUral Championship 19993560359

1356Something EasierSpring School Contest 20051215359

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014351359

1904The Lessons of the PastUral Championship 2012514361

1140Swamp IncidentNEERC 2001 Central Subregional1140363

1292Mars Space StationsSpring School Contest 20041181365

1483Table FootballUSU Championship 20061087365

1262Pseudo-Roman NumberAutumn School Contest 20031170366

1574Mathematicians and bracketsAutumn School Contest 2007973366

1403CourierAutumn School Contest 20051193368

1078SegmentsWinter Mathematical Festival Varna 20013083369

1176HyperchannelsUSU Personal Contest 20021125369

2078Bowling gameUral Championship 2016220370

1007Code WordsUSU Championship 19973470371

1141RSA Attack1116371

1427SMSTimus Top Coders: First Challenge1128376

1039Anniversary PartyUSU Championship 20003341379

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest575380

1279WarehouseNEERC 2003 Central Subregional1124381

1287Mars CanalsUSU Personal Contest 20041125382

2047MathsUral Championship 2015290383

1003ParityCentral European Olympiad in Informatics 19993354384

1229Strong BrickworkNEERC 2002 Central Subregional1097384

1259How to Become Star?Autumn School Contest 20031109385

1055CombinationsNEERC 2000 Central Subregional3231386

1873GOV ChroniclesUral Regional School Programming Contest 2011558387

1828Approximation by a ProgressionUSU Personal Contest 2011605388

1407One-two, One-twoAutumn School Contest 20051124390

1289One Way TicketUSU Personal Contest 20041101391

1343Fairy TaleUSU Championship 20041108393

1350CanteenSpring School Contest 20051111393

1901Space ElevatorsUral Championship 2012472393

2026Dean and ScheduleUral Regional School Programming Contest 2014320393

1489Points on a ParallelepipedAutumn School Contest 20061005394

1783Nuclear Arms RaceUral SU Championship 2010632395

1759Long-LiversUSU Personal Contest 2010678396

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional544396

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional390396

1513Lemon TaleTimus Top Coders: Third Challenge976398

1111SquaresBulgarian Online Contest September 20011034399

1115ShipsBulgarian Online Contest September 20011032400

2030Awesome Backup SystemUral Regional School Programming Contest 2014314400

1562GM-pineappleUSU Championship 2007888402

2109Tourism on MarsUral FU Junior Championship 2016171402

1217Unlucky TicketsUSU Championship 20021037405

1077Travelling Tours1010408

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest764408

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011009410

1221Malevich Strikes Back!USU Championship 20021025410

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional309410

1107Warehouse ProblemTetrahedron Team Online Contest May 2001996411

1252Sorting the TombstonesUSU Local Contest. March 20031030411

1631Drunk King 2USU Championship 2008774411

1963KiteUral FU Personal Contest 2013400411

1291Gear-wheelsSpring School Contest 20041045412

1015Test the Difference!USU Local Contest. 19993106413

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest526415

1602ElevatorUSU Personal Contest 2008820416

1094E-screenUSU Local Contest. March 20012568417

1774Barber of the Army of MagesUral SU Championship 2010596418

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest855419

1732Ministry of TruthUSU Championship 2009670419

1128Partition into GroupsUSU Championship 2001981421

1410CrackUSU Championship 20051032423

1923Scary PoliticsUral Regional School Programming Contest 2012435423

1507Difficult DecisionNEERC 2006 Eastern Subregional929424

1571InterpretersUSU Championship 2007838425

1416ConfidentialUSU Championship 20051022427

1519Formula 1Timus Top Coders: Third Challenge909427

1776Anniversary FireworkUral SU Championship 2010580429

1258PoolAutumn School Contest 2003988432

1995Illegal spicesNEERC 2013 Eastern Subregional357432

1480CouponsUSU Championship 2006913434

1181Cutting a Painted PolygonUSU Personal Contest 2002954435

1038Spell CheckerUSU Championship 20002900436

1700AwakeningUral Championship 2009688437

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest283437

1019Line PaintingUSU Local Contest. 19992929438

1089Verification with a VocabularySpring School Contest 20012553441

1202Rectangles TravelUSU Local Contest. March 2002942441

1238FoldingNEERC 2002948445

1900Brainwashing DeviceUral Championship 2012416445

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection370445

1129Door PaintingUSU Championship 2001920448

1155TroubleduonsUral Championship 2001. Round 2923448

1890Money out of Thin AirNEERC 2011 Eastern Subregional472455

1326Bottle TapsUral Championship 2004. Round 2942457

2071Juice CocktailsUral Regional School Programming Contest 2015214457

1641DutiesAutumn School Contest 2008691458

1643Attack of the Dark FortressAutumn School Contest 2008691458

1316Electronic AuctionUral Championship 2004. Round 1936460

2099Space InvaderUral FU Personal Contest 2014169461

2081Faulty dialUral Championship 2016174462

1401GamersAutumn School Contest 2005937467

1535The Hobbit or There and Back AgainUSU Personal Contest 2007813467

1628White StreaksUSU Championship 2008679468

1162Currency ExchangeNEERC 2001 Northern Subregional879470

1430Crime and PunishmentTimus Top Coders: First Challenge898471

1329Galactic HistoryAutumn School Contest 2004917472

1728Curse on Team.GOVUral Regional School Programming Contest 2009594474

1273TieUSU Championship 2003899475

1051Simple Game on a GridUSU Local Contest. March 20002625476

1577E-mailAutumn School Contest 2007743478

1414Astronomical DatabaseUSU Championship 2005907480

1072RoutingUSU Personal Contest 20012378483

1322SpyUral Championship 2004. Round 2891483

1428Jedi RiddleTimus Top Coders: First Challenge876483

1942Attack at the OrbitUral FU Personal Contest 2012368483

1189Pairs of IntegersNEERC 2001858484

1439Battle with You-Know-WhoUral Championship 2006864484

1525PathPetrozavodsk Winter 2007. D.Gozman Contest784486

1236Decoding TaskNEERC 2002863487

1091Tmutarakan ExamsUSU Local Contest. March 20012175492

1103Pencils and CirclesTetrahedron Team Online Contest May 2001827494

1579Coat TransportationAutumn School Contest 2007716496

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014251497

1212BattleshipAutumn School Contest 2002835502

1158Censored!NEERC 2001 Northern Subregional820503

1362Classmates 2Ural Championship 2005. Round 2864504

1182Team Them Up!NEERC 2001821505

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional486507

1045Funny GameUSU Local Contest. March 20002434513


1650BillionairesNEERC 2008 Eastern Subregional614514

1314Chase in SubwayUral Championship 2004. Round 1827519

1971Graphics SettingsUral Championship 2013307521

1334CheckersAutumn School Contest 2004829522

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional351523

1056Computer NetNEERC 2000 Central Subregional2380524

1069Prufer CodeUSU Personal Contest 20012188524

1437Gasoline StationUSU Personal Contest 2006804524

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional536526

1366PresentsUral Championship 2005. Round 2827527

1066GarlandNEERC 20002235528

1600AirportUSU Personal Contest 2008642530

1095Nikifor 3USU Local Contest. March 20012008533

1465Pawn GamePetrozavodsk Winter 2006. USU Contest754533

1980Road to InvestorUral Championship 2013296540

1729Dead Man's ChestUral Regional School Programming Contest 2009518542

1400Cellular CharactersAutumn School Contest 2005805543

1870Zinium 2Ural FU Championship 2011396543

1884Way to the UniversityUral Regional School Programming Contest 2011395543

1871Seismic WavesUral FU Championship 2011395544

1101Robot in the FieldTetrahedron Team Online Contest May 2001746547

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005794548

1891Language OceanNEERC 2011 Eastern Subregional389549

1534Football in GondorUSU Personal Contest 2007688550

1004Sightseeing TripCentral European Olympiad in Informatics 19992307557

1143Electric PathDSAP Vietnam Online Contest November 2001739557


1754Explosion in a PyramidUSU Personal Contest 2010478559

1421Credit OperationsTimus Top Coders: First Challenge753561

1448Lighting in HogwartsUral Championship 2006744561

1172Ship RoutesRomanian Online Contest December 2001730565

1605Devil's SequenceUSU Personal Contest 2008600566

1027D++ AgainAutumn School Contest 20002254567

1375Bill CleversUral Championship 2005. Round 1770567

1682Crazy ProfessorUSU Personal Contest 2009534567

2060Subpalindrome pairsPalindromic Contest 182571

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014216574

2004Scientists from SpilkovoUral Regional School Programming Contest 2013263576

1067Disk TreeNEERC 20002042577

1085MeetingSpring School Contest 20011945578

1358CablesSpring School Contest 2005750579

1698Square Country 5Petrozavodsk Winter 2009. USU Contest520580

1325DirtUral Championship 2004. Round 2738581

2080WalletUral Championship 2016136582

1710Boris, You Are Wrong!Ural Championship 2009514583

1713Key SubstringsNEERC 2009 Eastern Subregional482584

1592Chinese WatchesNEERC 2007 Eastern Subregional602586

1071Nikifor 2USU Personal Contest 20011953587

2048HistoryUral Championship 2015186587

1822Hugo II's WarUSU Personal Contest 2011396588

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014210589

1064Binary SearchNEERC 20002000590

1550Dean's Pyramid 3Ural Championship 2007632590

1061Buffer ManagerNEERC 20001989593

1701Ostap and PartnersUral Championship 2009505593

1445Christmas giftsUral Championship 2006701595

1760Infernal WorkUSU Personal Contest 2010446598

1371Cargo AgencyUral Championship 2005. Round 1728599

1966Cycling RoadsUral FU Personal Contest 2013271600

1659Regular TrianglesNEERC 2008 Eastern Subregional520605

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest201607

1806Mobile TelegraphsNEERC 2010 Eastern Subregional403609

1070Local TimeUSU Personal Contest 20011881610

2074Timus problems classifierQualification of eastern subregional contest 2015142611

1059ExpressionNEERC 2000 Central Subregional2036612

1706Cipher Message 2Ural Championship 2009489612

1803The Czechs' RiflesNEERC 2010 Eastern Subregional401612

2009Canteen LineUral Regional School Programming Contest 2013247612

1309DisputeUral Championship 2004. Round 1697615

1690Army of MagesPetrozavodsk Winter 2009. USU Contest490615

1928Another Ecology ProblemUral Regional School Programming Contest 2012296615

2106DeserializationUral FU Junior Championship 2016108616

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest577617

1767The House of Doctor DeeUral Championship 2010426619

1838Samurai's StrokeUral Championship 2011370619

2064CaterpillarsUral Regional School Programming Contest 2015155620

1962In Chinese RestaurantUral FU Personal Contest 2013261622

1332Genie BomberAutumn School Contest 2004683632

1452Pascal vs. C++Timus Top Coders: Second Challenge649637

2089Experienced coachUral Championship 2016123639

1500Pass LicensesNEERC 2006 Eastern Subregional611641

1542AutocompletionUral Championship 2007579643

1939First SealUral FU Championship 2012281643

1054Hanoi TowerNEERC 2000 Central Subregional1933644

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest499645

1248Sequence SumUSU Personal Contest 2003651646

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009430651

1866Poetic FootUral FU Championship 2011328652


1254Die HardUSU Local Contest. March 2003643654

1132Square Root627655

1443RailsUral Championship 2006633658

1234BricksNEERC 2002633661

1253NecrologuesUSU Local Contest. March 2003636661

1564Counting OnesUSU Championship 2007534663

1174Weird PermutationsRomanian Online Contest December 2001620664

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest654666

1186Chemical ReactionsNEERC 2001618668

1606SlalomUSU Personal Contest 2008506669

1096Get the Right Route Plate!USU Local Contest. March 20011591671

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest321671

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest595672

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional183677

1274Fractional ArithmeticNEERC 2003 Central Subregional627678

1286Starship TravelUSU Personal Contest 2004628680

1088Ilya MurometzSpring School Contest 20011632689

1892Morning in KoltsovoNEERC 2011 Eastern Subregional308689

1440Training ScheduleUral Championship 2006603690

1772Ski-Trails for RobotsUral Championship 2010377697

1484Film RatingUSU Championship 2006564698

1633HippogriffsUSU Championship 2008452698

2092BoleroUral FU Personal Contest 2014108699

1168Radio StationsRomanian Online Contest December 2001587700

1961Cantonese DialectUral FU Personal Contest 2013230703

1057Amount of DegreesNEERC 2000 Central Subregional1768704

1903Unidentified ShipsUral Championship 2012259704

1990PodracingNEERC 2013 Eastern Subregional215704

1611DecimationUral Championship 2008475706

1250Sea BurialUSU Local Contest. March 2003593709

1943Space RummyUral FU Personal Contest 2012247710

1305Convex HullUral Championship 1998599713

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest553714

1940Not So Simple YearsUral FU Championship 2012252714

1230Introspective ProgramNEERC 2002 Central Subregional583716

1773Metro to Every HomeUral Championship 2010367716

1872Spacious OfficeUral FU Championship 2011298716

1755CakeUSU Personal Contest 2010369719

1159FenceNEERC 2001 Northern Subregional570721

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional252721

1169PairsRomanian Online Contest December 2001569722

1405Goat in the Garden 5Autumn School Contest 2005598727

1301Cube in LabyrinthUral Championship 1998577740

1034Queens in Peaceful PositionsUral Championship 19991715742

1593Square Country. Version 2409742

1716Alternative SolutionNEERC 2009 Eastern Subregional377742

1629TripUSU Championship 2008424743

1037Memory ManagementUSU Championship 20001691746

1424MinibusTimus Top Coders: First Challenge563747

2110Remove or MaximizeUral FU Junior Championship 201687749

1235Cricket FieldNEERC 2002556751

1379Cups TransportationUral Championship 2005. Round 1578752

1780Gray CodeUral SU Championship 2010327752

2008SwiftyUral Regional School Programming Contest 2013198756

1932The Secret of IdentifierUral FU Championship 2012237757

1775Space BowlingUral SU Championship 2010324758

1016Cube on the WalkUSU Local Contest. 19991675763

1614National Project “Trams”Ural Championship 2008437766

1825Ifrit Bomber 2USU Personal Contest 2011302766

1832Arirang ShowUral Championship 2011297766

1830Help in the RNOSUral Championship 2011296768

1392Dreaming of Stars565769

1994The Emperor's planNEERC 2013 Eastern Subregional195773

1646Godzilla Strikes Back!Autumn School Contest 2008401781

1456Jedi Riddle 2Timus Top Coders: Second Challenge525785

1268Little ChuUSU Championship 2003536790

1486Equal SquaresUSU Championship 2006497790

1512ZiniumTimus Top Coders: Third Challenge487790

1647Divide an Island!Autumn School Contest 2008395793

1276TrainNEERC 2003 Central Subregional534794

1042Central HeatingUSU Championship 20001582797

1587Flying PigNEERC 2007 Eastern Subregional439798

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012224804

1277Cops and ThievesNEERC 2003 Central Subregional526806

1269Obscene Words FilterUSU Championship 2003525807

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional224807

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest438808

1689Fisherman and BarbellUSU Personal Contest 2009372808

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection199810

1323ClassmatesUral Championship 2004. Round 2525813

1147Shaping RegionsDSAP Vietnam Online Contest November 2001503814

1105Observers ColoringTetrahedron Team Online Contest May 2001498815

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional297819

1875Angry BirdsUral Regional School Programming Contest 2011258820

1342EnterpriseUSU Championship 2004526821

1986Paul’s SaladsUral FU Championship 2013183824

1030TitanicUral Championship 19991540826

1705Gangster HaresUral Championship 2009356834

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest470837

1547Password SearchUral Championship 2007440842

1436BillboardUSU Personal Contest 2006496843

1738Computer SecurityUSU Championship 2009327846

1373Pictura ex MachinaUral Championship 2005. Round 1509852

1165SubnumberNEERC 2001 Northern Subregional480853

1720Summit Online JudgeNEERC 2009 Eastern Subregional326854

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest139859

1974Similar TunesUral Championship 2013182860

1988Planet Ocean LandingUral FU Championship 2013174864

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest344868

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest458869

1578Mammoth HuntAutumn School Contest 2007403872

1498Stroke at Full SpeedAutumn School Contest 2006447875

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest430876

1154Mages ContestUral Championship 2001. Round 2465880

1996Cipher Message 3NEERC 2013 Eastern Subregional170880

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest266881

1580Dean's DebtsAutumn School Contest 2007396887

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest302888

1006Square FramesUSU Championship 19971439890

1715Another Ball KillerNEERC 2009 Eastern Subregional312892

1927Herbs and MagicUral Regional School Programming Contest 2012198905

1422FirefliesTimus Top Coders: First Challenge462907

1324Extra SpacesUral Championship 2004. Round 2468909

1285Thread in a HyperspaceUSU Personal Contest 2004466912

1630TalismanUSU Championship 2008343914

1233Amusing NumbersNEERC 2002454917

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest292918

1905Travel in TimeUral Championship 2012196919

1245PicturesUSU Personal Contest 2003454920

2103Corporate MailUral FU Junior Championship 201669920

1237Evacuation PlanNEERC 2002452922

1575Yekaterinburg Subway 2Autumn School Contest 2007380923

1608Lucky Tickets 2008Ural Championship 2008361923

1175Strange SequenceUSU Personal Contest 2002443926

1824Ifrit BomberUSU Personal Contest 2011247929

1936RoshamboUral FU Championship 2012191931

1970皇后像廣場Ural FU Personal Contest 2013171932

1364LaraKillerUral Championship 2005. Round 2459940

1339BabiesUSU Championship 2004456944

1278“… Connecting People”NEERC 2003 Central Subregional442955

1398Bishop and Pawn399956

1761Binary PalindromeUSU Personal Contest 2010274960

1418Military StoryUSU Championship 2005447964

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest330965

2017Best of a bad lotNEERC 2014 Eastern Subregional125968

1965Pear TreesUral FU Personal Contest 2013164969

1591Abstract ThinkingNEERC 2007 Eastern Subregional358974

1921Chaos and OrderUral Regional School Programming Contest 2012183975

1040Airline CompanyUSU Championship 20001286979

1130Nikifor's WalkUSU Championship 2001416979

1331VladislavaAutumn School Contest 2004437980

1948The Robot on the LineUral FU Personal Contest 2012176981

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest359982

1827Indigenous WarsUSU Personal Contest 2011233983

2052Physical EducationUral Championship 2015107983

1451Beerhouse TaleTimus Top Coders: Second Challenge416985

1435Financial ErrorUSU Personal Contest 2006422987

1730ManBearPigUral Regional School Programming Contest 2009279991

1863Peaceful AtomUral FU Championship 2011212993

2093All Roads Lead to SnowdriftUral FU Personal Contest 201473993

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest304998

1937Davy Jones’s OrganUral FU Championship 20121771000

1836Babel FishUral Championship 20112251001

1784RoundersUral SU Championship 20102391017

1539Intelligence DataUSU Personal Contest 20073671019

1976Game OptimizationUral Championship 20131521020

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3881022

1907Coffee and BunsUral Championship 20121741029

1768Circular StringsUral Championship 20102511034

1949The Best Picture in the GalaxyUral FU Personal Contest 20121661036

1173Lazy SnailRomanian Online Contest December 20013921040

1570Eating HighUSU Championship 20073361042

1075Thread in a SpaceUSU Personal Contest 200110951043

1883Ent's BirthdayUral Regional School Programming Contest 20112001047

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2021048

1887Frequent Flyer CardNEERC 2011 Eastern Subregional1981054

1151RadiobeaconsUral Championship 2001. Round 23861055

1518Jedi Riddle 3Timus Top Coders: Third Challenge3621055

1979Resources DistributionUral Championship 20131461059

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2801060

1569Networking the “Iset”USU Championship 20073301061

1434Buses in VasyukiUSU Personal Contest 20063911063

1627JoinPetrozavodsk Winter 2008. ITMO Contest2981065

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1101067

1444ElephpotamusUral Championship 20063851071

1317HailUral Championship 2004. Round 23931079

1687Numismatics for FunUSU Personal Contest 20092741087

1595Perfect Sequence2651089

1447Portkey NetworkUral Championship 20063781090

1341DeviceUSU Championship 20043891102

2059Not common palindromesPalindromic Contest 891108

1540Battle for the RingUSU Personal Contest 20073361110

1896War Games 2.1691112

1862Very Wealthy MoleUral FU Championship 20111871119

1533Fat HobbitsUSU Personal Contest 20073311126

1790Searching for the TruthUral Regional School Programming Contest 20102131133

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102131133

1722Observation DeckUral Regional School Programming Contest 20092421137

1736Chinese HockeyUSU Championship 20092391145

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2321145

1879GOV-internship 2Ural Regional School Programming Contest 20111821145

1511Fiscal OperationsTimus Top Coders: Third Challenge3311151

1983Nectar GatheringUral FU Championship 20131281152

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3381155

2055Urban GeographyUral Championship 2015891161

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2611165

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3691167

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3341168

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1801170

1408Polynomial MultiplicationAutumn School Contest 20053671173

1968Glass PyramidUral FU Personal Contest 20131331179

1357Teakettle 1.0 for DummiesSpring School Contest 20053621183

1544Classmates 3Ural Championship 20073101184

1393Average Common Prefix3581189

1458War GamesTimus Top Coders: Second Challenge3421193

1453QueenTimus Top Coders: Second Challenge3391203

1099Work Scheduling7971205

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2871207

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2191210

1310ACM DiagnosticsUral Championship 2004. Round 13481214

1538Towers of GuardUSU Personal Contest 20073051219

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3231222

1546Japanese SortingUral Championship 20073001222

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1891222

1359ConstructionSpring School Contest 20053491226

1307ArchiverUral Championship 2004. Round 13401242

1766Humpty DumptyUral Championship 20102061250

1487Chinese FootballUSU Championship 20063061267

1669Universal WordPetrozavodsk Winter 2008. USU Contest2391267

1035Cross-stitchUral Championship 19999881280

1807Cartridges for MaximNEERC 2010 Eastern Subregional1861283

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2711289

1657Cube SnakeNEERC 2008 Eastern Subregional2381292

1321Floor IndicatorUral Championship 2004. Round 23261294

2101Knight's ShieldUral FU Junior Championship 2016461298

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1611303

1947MeanderUral FU Personal Contest 20121301303

1171Lost in SpaceRomanian Online Contest December 20013101306

1360Philosophical DisputeUral Championship 2005. Round 23271308

1441From the History of Gringotts BankUral Championship 20063131309

2097Snowboarding on SpilnayaUral FU Personal Contest 2014531309

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2091311

2007Mutants versus MachinesUral Regional School Programming Contest 20131101311

1686Photovoltaic SpaceshipUSU Personal Contest 20092251314

1177Like ComparisonsUSU Personal Contest 20023071323

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2811325

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1321330

1328FireballAutumn School Contest 20043191331

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1711343

2107Oppa Funcan StyleUral FU Junior Championship 2016441346

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2751353

1050Preparing an ArticleUSU Local Contest. March 20009161354

1281River BasinNEERC 2003 Central Subregional3081358

1419Maps of the Island WorldsUSU Championship 20053141360

1065FrontierNEERC 20008611361

1097Square Country 2USU Local Contest. March 20017761367

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2301367

1946Chinese Hockey 3Ural FU Personal Contest 20121221382

1311Stable ConstructionUral Championship 2004. Round 13041384

1318LogarithmUral Championship 2004. Round 23041385

1345HTMLUSU Championship 20043071387

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2681387

1499KerchiefsAutumn School Contest 20062781388

1985Prime SquareUral FU Championship 20131041395

1449Credit Operations 2Timus Top Coders: Second Challenge2891404

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1481407

1240Heroes of Might and MagicNEERC 20022911413

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1081434

1347BlogSpring School Contest 20052941448

1266Kirchhoff's LawUSU Championship 20032871453

1299PsyloniansSpring School Contest 20042871462

2085Magic ProgrammerUral Championship 2016481466

1170DesertRomanian Online Contest December 20012751467

1265MirrorUSU Championship 20032831473

1762Search for a Hiding-PlaceUSU Personal Contest 20101741482

1412Autumn TideUSU Championship 20052861488

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1761490

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2581500

1950Martian FarmlandsUral FU Personal Contest 20121111508

1770The Party of Ural ChampionsUral Championship 20101681516

1251Cemetery ManagerUSU Local Contest. March 20032711521

1568Train Car SortingUSU Championship 20072251535

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1001538

1488ACM PokerUSU Championship 20062491546

1043Cover an ArcUSU Championship 20008091549

1337BureaucracyAutumn School Contest 20042711558

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest711580

1241Inlay CuttersNEERC 20022591583

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2691585

1378Artificial IntelligenceUral Championship 2005. Round 12681591

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1871591

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1481591

1565The Duel for ThreeUSU Championship 20072151603

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1841616

1485Football and LieUSU Championship 20062371621

1670AsteriskPetrozavodsk Summer 2008. USU Contest1831624

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1061628

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2121631

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1241636

2058100500 palidnromesPalindromic Contest 571637

1802Cube PuzzleNEERC 2010 Eastern Subregional1431643

1764TranssibUral Championship 20101541646

1886Trip 2NEERC 2011 Eastern Subregional1231648

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1791659

1908Brute-force SearchUral Championship 20121041661

1257HyphenationAutumn School Contest 20032491665

1508Japanese PuzzleNEERC 2006 Eastern Subregional2291666

1420Integer-Valued Complex DivisionUSU Championship 20052501694

1516NostalgiaTimus Top Coders: Third Challenge2181722

1782Jack's New WordUral SU Championship 20101371723

1338AutomobilesUSU Championship 20042431738

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2241739

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1491743

1583CheeseNEERC 2007 Eastern Subregional1951749

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1291749

1503PolynomialNEERC 2006 Eastern Subregional2171754

1425Queen 2Timus Top Coders: First Challenge2331761

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1681761

1062TriathlonNEERC 20006621764

1610CactusesUral Championship 20081821783

1707Hypnotoad's SecretUral Championship 20091601796

1046Geometrical DreamsUSU Local Contest. March 20006851804

1734Endgame DatabaseUSU Championship 20091481804

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012211807

1615Tram SolitaireUral Championship 20081791811

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest601829

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2001836

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection821839

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1611846

1417Space Poker 2USU Championship 20052281851

1514National ParkTimus Top Coders: Third Challenge2021852

20503D-modelingUral Championship 2015521854

1397Points Game2051870

1304ParallelepipedUral Championship 19982221872

1492Vasya's Dad 2Autumn School Contest 20062031877

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2251882

1781Clean CodeUral SU Championship 20101241890

1163ChapaevNEERC 2001 Northern Subregional2111891

1093DartsUSU Local Contest. March 20015571896

1841CablewaysPetrozavodsk Summer 2010. USU Contest1071904

1757Gold BarsUSU Personal Contest 20101331906

1702CrossroadUral Championship 20091501908

1532Lost in TranslationUSU Personal Contest 20071911911

1148Building TowersDSAP Vietnam Online Contest November 20012081915

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1521948

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1321952

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1031971

1831Tsyfirkin's LessonUral Championship 20111091976

1216Two Pawns and One KingUSU Championship 20022041984

1187Statistical TroubleNEERC 20012011989

1703Robotic ArmUral Championship 20091431995

1267Yekaterinburg SubwayUSU Championship 20032061998

1455Freedom of SpeechTimus Top Coders: Second Challenge1992008

1315MDPAR and MIIARUral Championship 2004. Round 12062013

1541ChaseUSU Personal Contest 20071802022

1396Maximum. Version 21952037

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest992039

1977Energy WallUral Championship 2013712040

1655Somali PiratesNEERC 2008 Eastern Subregional1462054

1041NikiforUSU Championship 20006052063

1074Very Short ProblemUSU Personal Contest 20015462073

1188LibraryNEERC 20011922078

1634Spider MiteUSU Championship 20081452081

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1932092

1063Domino PuzzleNEERC 20005562093

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1062096

1839The MentaculusUral Championship 20111022099

1969Hong Kong TramUral FU Personal Contest 2013692134

1543Dance RevolutionUral Championship 20071662152

1288AstrolocationUSU Personal Contest 20041902169

1232Asteroid LandingNEERC 2002 Central Subregional1842189

1549Another Japanese PuzzleUral Championship 20071632189

1978E-LiteUral Championship 2013652203

1256Cemetery GuardUSU Local Contest. March 20031812237

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21872237

1504Good MannersNEERC 2006 Eastern Subregional1682237

1092TransversalUSU Local Contest. March 20014682248

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015312264

1739FaryuksUSU Championship 20091152280

1284Space PokerUSU Personal Contest 20041802284

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest452327

1481Winning ChancesUSU Championship 20061622328

1867NanotechnologiesUral FU Championship 2011842345

2096All InclusiveUral FU Personal Contest 2014252355

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional702360

1270UnicubeUSU Championship 20031712384

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest922384

1368Goat in the Garden 3Ural Championship 2005. Round 21742395

1717Eligibility RulesNEERC 2009 Eastern Subregional1092412

1895Steaks on BoardNEERC 2011 Eastern Subregional802435

1833Hopes of RowingUral Championship 2011852475

1652Banking CrisisNEERC 2008 Eastern Subregional1192484

1758Bald Spot Revisited 2USU Personal Contest 2010992501

2022Riding a ToadNEERC 2014 Eastern Subregional422514

1850Space TourismPetrozavodsk Summer 2010. USU Contest782531

1945Many-armed BrothersUral FU Personal Contest 2012622534

1972Game TestingUral Championship 2013552542

1275Knights of the Round TableNEERC 2003 Central Subregional1572586

1454Rectangles 2Timus Top Coders: Second Challenge1522591

1609Tram TileUral Championship 20081222593

1395Pascal vs. C++. Version 21512603

1835Swamp DoctorUral Championship 2011802613

1300TaxesUral Championship 19981562617

1520Empire Strikes BackTimus Top Coders: Third Challenge1402617

1882Old NokiaUral Regional School Programming Contest 2011742617

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1102630

1735Theft of the CenturyUSU Championship 2009982639

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1062649

1599Winding Number292666

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1252683

1829Routing TablesUSU Personal Contest 2011792684

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962708

1308Dean's PyramidUral Championship 2004. Round 11502717

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest792732

2053BiologyUral Championship 2015322737

1704DemodulationUral Championship 2009992801

1312TrayUral Championship 2004. Round 11452805

1239Ghost BustersNEERC 20021412817

2083The Guardian of TraditionsUral Championship 2016202834

1058ChocolateNEERC 2000 Central Subregional4262863

1464LightPetrozavodsk Winter 2006. USU Contest1322865

1637Triangle Game 2USU Championship 20081022880

1865The Island of MärketUral FU Championship 2011662900

1505Oil TransferNEERC 2006 Eastern Subregional1272906

1566Triangular PostcardsUSU Championship 20071142909

1429BiscuitsTimus Top Coders: First Challenge1372912

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1282913

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest662924

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection472968

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932984

1482Triangle GameUSU Championship 20061242989

2006Kirill the GardenerUral Regional School Programming Contest 2013423025

2051PhysicsUral Championship 2015283025

2084Technical debtUral Championship 2016183037

141140 Islands KnightsUSU Championship 20051353038

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection453076

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest803080

1367Top SecretUral Championship 2005. Round 21333082

1798Fire Circle. Version 2253087

1438Time Limit ExceededUSU Personal Contest 20061283089

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional513095

1681Brother Bear's GardenUSU Personal Contest 2009893118

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1203130

1442Floo PowderUral Championship 20061253133

2061OEIS A216264Palindromic Contest 253135

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest883136

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest603175

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest603182

1975Model of the EarthUral Championship 2013413239

1622EndspielPetrozavodsk Winter 2008. ITMO Contest913248

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest913248

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest293282

2090Crossroads of DestinyUral FU Personal Contest 2014153298

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest573317

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection413317

2057Non-palidromic cuttingPalindromic Contest 233324

1597Chernobyl’ Eagle on a Roof. Version 2303369

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest623377

2079Memory leaksUral Championship 2016153401

2087TrainsUral Championship 2016153401

1166Funny Card GameNEERC 2001 Northern Subregional1163424

1909Space ReconUral Championship 2012453444

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1183456


1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional433563

1616Square Country 4Ural Championship 2008863566

1509Domino RecognitionNEERC 2006 Eastern Subregional1013587

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest513651

1834Tennis RacketUral Championship 2011543674

1778Chinese Hockey 2Ural SU Championship 2010583725

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest873734

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest553741

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest973757

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection353760

1632LasersUSU Championship 2008753795

1765Error 404Ural Championship 2010613801

2049ChemistryUral Championship 2015203832

1938Caribbean TriangleUral FU Championship 2012383897

1733Forgotten TechnologyUSU Championship 2009633904

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473908

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest883934

1460WiresPetrozavodsk Winter 2006. USU Contest933950

1598DSA Attack234023

2086Find DenisUral Championship 2016114049

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest994058

2094Thousand ImpsUral FU Personal Contest 2014104122

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest214129

1661DodecahedronPetrozavodsk Winter 2008. USU Contest664152

2088Nostalgic EveningUral Championship 2016104188

1967Programmer CasinoUral FU Personal Contest 2013304215

2077ReductionsQualification of eastern subregional contest 2015124220

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest844276

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest634323

1973Location GeneratorUral Championship 2013274465

1344Gigantic TurnipUSU Championship 2004884488

1594Aztec Treasure564542

1271Sailing DirectionsUSU Championship 2003844591

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest614621

1340CucarachaUSU Championship 2004834729

1999The secret moduleNEERC 2013 Eastern Subregional234800

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest574897

1797Summit Online Judge. Version 2294898

1365Testing CalculatorUral Championship 2005. Round 2794952

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest524957

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest714962

1801The Revolution CupNEERC 2010 Eastern Subregional405028

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775084

1771A Deputy's MorningUral Championship 2010435093

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest155120

1426RectanglesTimus Top Coders: First Challenge735157

2076VasianaQualification of eastern subregional contest 201585157

1799Sasha and swag strings105189

1763Expert FleaUral Championship 2010425191

2054AstronomyUral Championship 2015125225

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest745266

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645432

2016Magic and ScienceNEERC 2014 Eastern Subregional145446

1372Death StarUral Championship 2005. Round 1695598

2082PokerUral Championship 201655638

1848Fly HuntPetrozavodsk Summer 2010. USU Contest295712

1842Local RootsPetrozavodsk Summer 2010. USU Contest285862

1668Death Star 2Petrozavodsk Winter 2008. USU Contest435954

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276006

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest306079

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest416188

1363HalftonesUral Championship 2005. Round 2616207

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406270

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426309

1536Delights of Pipe-weedUSU Personal Contest 2007486623

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386676

1906The Lost CivilizationUral Championship 2012186764

1653Death ConveyorNEERC 2008 Eastern Subregional366966

1840Victim of AdvertisingUral Championship 2011217585

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337629

1596Knight Mare167993

1432Twofold LuckUSU Personal Contest 2006438044

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288250

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest318834

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection98903

1415Mobile LifeUSU Championship 2005389175

1376Dean's Pyramid 2Ural Championship 2005. Round 1389213

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest369616

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010244

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910810

1399Economical Director2610854

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211318

1374MisereUral Championship 2005. Round 12811638

1708Sum of Digits 2Ural Championship 20091512208

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112436

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313404

1369Cockroach RaceUral Championship 2005. Round 22114216

1548Sakura and StatisticsUral Championship 20071614567

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815797

1589SokobanNEERC 2007 Eastern Subregional622404

1394Ships. Version 2726020