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Problem set


IDTitleSourceAuthorsDifficulty

1001Reverse Root2869815

1000A+B Problem9373716

1293EniyaSpring School Contest 20042961716

1785Lost in LocalizationUral Regional School Programming Contest 20101871416

1409Two GangstersAutumn School Contest 20052827317

2012About Grisha N.NEERC 2014 Eastern Subregional1111817

1877Bicycle CodesUral Regional School Programming Contest 20111391419

2001Mathematicians and BerriesUral Regional School Programming Contest 2013958622

1264WorkdaysAutumn School Contest 20032050723

1787Turn for MEGAUral Regional School Programming Contest 20101174626

1820Ural SteaksUSU Personal Contest 20111115826

2066Simple ExpressionUral Regional School Programming Contest 2015589327

1197Lonesome KnightSpring School Contest 20021598829

2100Wedding DinnerUral FU Junior Championship 2016457829

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011886330

1639Chocolate 2Autumn School Contest 20081126832

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional729733

1924Four ImpsUral Regional School Programming Contest 2012680735

12091, 10, 100, 1000...Autumn School Contest 20021273436

1313Some Words about SportUral Championship 2004. Round 11306436

2023Donald is a postmanNEERC 2014 Eastern Subregional520136

1225FlagsNEERC 2002 Central Subregional1237337

1068Sum3425338

1319HotelUral Championship 2004. Round 21185840

1567SMS-spamUSU Championship 20071001040

1585PenguinsNEERC 2007 Eastern Subregional998140

1581TeamworkAutumn School Contest 2007975641

1263ElectionsAutumn School Contest 20031069444

1991The battle near the swampNEERC 2013 Eastern Subregional478844

1100Final StandingsTetrahedron Team Online Contest May 20011000945

2056ScholarshipUral Championship 2015373246

1327FusesAutumn School Contest 20041002747

1493One Step from HappinessAutumn School Contest 2006907248

1607TaxiUSU Personal Contest 2008794149

1243Divorce of the Seven DwarfsUSU Personal Contest 2003918350

1545HieroglyphsUral Championship 2007812151

1876Centipede's MorningUral Regional School Programming Contest 2011528751

1110PowerBulgarian Online Contest September 2001864652

1349FarmSpring School Contest 2005918052

1496SpammerAutumn School Contest 2006840952

1893A380NEERC 2011 Eastern Subregional489555

1196History ExamSpring School Contest 2002816456

1563BayanUSU Championship 2007701757

1837Isenbaev's NumberUral Championship 2011495757

1881Long problem statementUral Regional School Programming Contest 2011470857

1636Penalty TimeUSU Championship 2008627558

1654Cipher MessageNEERC 2008 Eastern Subregional615559

1149Sinus Dances744361

1723Sandro's BookUral Regional School Programming Contest 2009542561

1925British Scientists Save the WorldUral Regional School Programming Contest 2012386362

1617Flat SpotsUral Championship 2008603864

2111PlatoUniversity academic school olympiad in informatics 2019111166

1025Democracy in DangerAutumn School Contest 20002080167

1224SpiralNEERC 2002 Central Subregional686067

1457Heating MainTimus Top Coders: Second Challenge677367

2002Test TaskUral Regional School Programming Contest 2013314067

2035Another Dress RehearsalUral Regional School Programming Contest 2014276767

1083Factorials!!!Spring School Contest 20011809468

1638BookwormUSU Championship 2008537768

1935Tears of DrownedUral FU Championship 2012330872

1119MetroAutumn School Contest 2001622373

2031Overturned NumbersUral Regional School Programming Contest 2014252673

1502Domino DotsNEERC 2006 Eastern Subregional589574

1131CopyingUSU Championship 2001601975

1106Two TeamsTetrahedron Team Online Contest May 2001596576

1139City BlocksNEERC 2001 Central Subregional588577

1792Hamming CodeUral Regional School Programming Contest 2010391677

1290SabotageSpring School Contest 2004595079

1712Cipher GrilleNEERC 2009 Eastern Subregional421379

2005Taxi for ProgrammersUral Regional School Programming Contest 2013266479

1146Maximum SumDSAP Vietnam Online Contest November 2001565380

1194HandshakesSpring School Contest 2002569780

1404Easy to Hack!Autumn School Contest 2005588981

1297PalindromeSpring School Contest 2004564283

1180Stone GameUSU Personal Contest 2002530586

1203Scientific ConferenceUSU Local Contest. March 2002530186

2011Long StatementUral Regional School Programming Contest 2013243386

2025Line FightingUral Regional School Programming Contest 2014213886

2068Game of NutsUral Regional School Programming Contest 2015183686

1005Stone PileUSU Championship 19971626187

1120Sum of Sequential NumbersAutumn School Contest 2001522687

1296HyperjumpSpring School Contest 2004536288

1510OrderNEERC 2006 Eastern Subregional497488

1601AntiCAPSUSU Personal Contest 2008436489

1161StripiesNEERC 2001 Northern Subregional499991

1446Sorting HatUral Championship 2006506591

1370MagicianUral Championship 2005. Round 2517692

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001485293

16421D MazeAutumn School Contest 2008389693

1009K-based NumbersUSU Championship 19971497494

1644A Whole Lot of WalnutsAutumn School Contest 2008381895

2018The Debut AlbumNEERC 2014 Eastern Subregional192796

1014Product of DigitsUSU Local Contest. 19991432998

1731DillUral Regional School Programming Contest 2009337198

1126Magnetic StormsUSU Championship 2001455799

1136ParliamentNEERC 2001 Central Subregional459599

1330IntervalsAutumn School Contest 2004479999

1796Amusement ParkUral Regional School Programming Contest 2010301899

2033DevicesUral Regional School Programming Contest 2014185999

1020RopeAutumn School Contest 200014057100

1214Strange ProcedureAutumn School Contest 20024605100

1786Sandro's BiographyUral Regional School Programming Contest 20103002100

1902Neo-VeniceUral Championship 20122410100

1118Nontrivial NumbersAutumn School Contest 20014442102

1573AlchemyAutumn School Contest 20073871103

2138The Good, the Bad and the UglyUral School Programming Contest 2019590103

1228ArrayNEERC 2002 Central Subregional4440104

1353Milliard Vasya's FunctionSpring School Contest 20054534105

1086CryptographySpring School Contest 200111440108

1079MaximumWinter Mathematical Festival Varna 200111383109

1192Ball in a DreamSpring School Contest 20024171109

1226esreveR redrONEERC 2002 Central Subregional4160111

1260Nudnik PhotographerAutumn School Contest 20034205111

1777AnindilyakwaUral SU Championship 20102643113

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131852113

1219Symbolic SequenceUSU Championship 20023978116

1582BookmakersNEERC 2007 Eastern Subregional3448116

1044Lucky Tickets. Easy!USU Championship 200011595119

1082Gaby IvanushkaSpring School Contest 200110316119

1123SalaryAutumn School Contest 20013805119

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023817119

1283DwarfUSU Personal Contest 20043937119

1336Problem of Ben BetsalelAutumn School Contest 20043918121

1982Electrification PlanUral FU Championship 20131715123

1711Code NamesNEERC 2009 Eastern Subregional2664124

2102Michael and CryptographyUral FU Junior Championship 20161057124

1688Team.GOV!USU Personal Contest 20092803125

2142MagicUral School Programming Contest 2019484125

1402CocktailsAutumn School Contest 20053714128

1683FridgeUSU Personal Contest 20092739128

1352Mersenne PrimesSpring School Contest 20053686129

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2723131

1725Sold Out!Ural Regional School Programming Contest 20092521131

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1399132

1167Bicolored HorsesRomanian Online Contest December 20013353135

2000Grand Theft Array VUral Regional School Programming Contest 20131555135

1740Deer is Better!USU Championship 20092414136

2149Pigeonhole PrincipleUral School Programming Contest 2019443136

1022Genealogical TreeAutumn School Contest 200010178138

1222Chernobyl’ EaglesUSU Championship 20023336138

1868Prediction ContestUral FU Championship 20111930139

1021Sacrament of the SumAutumn School Contest 20009851142

1572Yekaterinozavodsk Great WellAutumn School Contest 20072818142

1280Topological SortingNEERC 2003 Central Subregional3261143

1576Telephone TariffsAutumn School Contest 20072796143

1612Tram ForumUral Championship 20082686143

1306Sequence MedianUral Championship 19983269144

1178Akbardin’s RoadsUSU Personal Contest 20023147145

1210Kind SpiritsAutumn School Contest 20023141146

1354Palindrome. Again PalindromeSpring School Contest 20053258146

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1855146

1084Goat in the GardenSpring School Contest 20018403147

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102028147

1931Excellent TeamUral FU Championship 20121613147

1142RelationsDSAP Vietnam Online Contest November 20013056148

1964Chinese DialectsUral FU Personal Contest 20131489148

1073Square CountryUSU Personal Contest 20018406149

1586Threeprime NumbersNEERC 2007 Eastern Subregional2667149

1613For Fans of StatisticsUral Championship 20082545150

1272Non-Yekaterinburg SubwayUSU Championship 20033088151

1295Crazy NotionsSpring School Contest 20043099151

1494MonobilliardsAutumn School Contest 20062874152

1506Columns of NumbersNEERC 2006 Eastern Subregional2838153

1709Penguin-AviaUral Championship 20092277153

1017StaircasesUSU Local Contest. 19999087154

1026Questions and AnswersAutumn School Contest 20008976156

1864Get-Together at Den'sUral FU Championship 20111726156

1821BiathlonUSU Personal Contest 20111802159

1152False MirrorsUral Championship 2001. Round 22822161

1135RecruitsNEERC 2001 Central Subregional2792162

1756One and a Half DiggersUSU Personal Contest 20101937164

2115The Knowledge DayUniversity academic school olympiad in informatics 2019439165

1157Young TilerUral Championship 2001. Round 22734166

1213Cockroaches!Autumn School Contest 20022745167

1640Circle of WinterAutumn School Contest 20082165168

1102Strange DialogTetrahedron Team Online Contest May 20012641170

1930Ivan's CarUral Regional School Programming Contest 20121388172

1012K-based Numbers. Version 28119173

1413Mars JumperUSU Championship 20052715175

1423String TaleTimus Top Coders: First Challenge2650175

1685OrthographyUSU Personal Contest 20092005175

1874Football GoalUral Regional School Programming Contest 20111534175

2069Hard RockUral Regional School Programming Contest 2015901175

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015904175

1335White ThesisAutumn School Contest 20042675176

1984Dummy GuyUral FU Championship 20131200176

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1189177

1193Queue at the ExamSpring School Contest 20022547179

1134CardsNEERC 2001 Central Subregional2515180

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101652181

1800Murphy's LawNEERC 2010 Eastern Subregional1647181

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091789185

2073Log FilesUral Regional School Programming Contest 2015853185

1114BoxesBulgarian Online Contest September 20012433186

1769Old Ural LegendUral Championship 20101692186

1878Rubinchik's CubeUral Regional School Programming Contest 20111430187

1013K-based Numbers. Version 3997188

1987Nested SegmentsUral FU Championship 20131121188

1048Superlong SumsUSU Local Contest. March 20007150191

1348Goat in the Garden 2Spring School Contest 20052481191

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1251191

1635Mnemonics and PalindromesUSU Championship 20081897192

1645Ski RaceAutumn School Contest 20081892192

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2234196

1789Searching for the DodecahedronUral Regional School Programming Contest 20101524196

1885Passenger ComfortNEERC 2011 Eastern Subregional1360196

1112CoverBulgarian Online Contest September 20012281198

1138Integer PercentageNEERC 2001 Central Subregional2282198

1164FillwordNEERC 2001 Northern Subregional2293198

1490Fire CircleAutumn School Contest 20062201198

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1831198

2070Interesting NumbersUral Regional School Programming Contest 2015793199

1944Record of the Attack at the OrbitUral FU Personal Contest 20121160201

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1180202

1242WerewolfUSU Personal Contest 20032270203

1183Brackets SequenceNEERC 20012228204

1207Median on the PlaneUSU Local Contest. March 20022234204

2091Natural SelectionUral FU Personal Contest 2014683204

1023ButtonsAutumn School Contest 20006834205

1680The First NonqualifyingUSU Personal Contest 20091714205

1303Minimal CoverageUral Championship 19982247208

1869New Year CruiseUral FU Championship 20111286209

1208Legendary Teams ContestUSU Local Contest. March 20022164210

1515CashmasterTimus Top Coders: Third Challenge2035211

1249Ancient NecropolisUSU Local Contest. March 20032182212

1491Unreal StoryAutumn School Contest 20062051213

1590Bacon’s CipherNEERC 2007 Eastern Subregional1864213

1355Bald Spot RevisitedSpring School Contest 20052203215

2141Sasha VilkinUral School Programming Contest 2019276215

1333Genie Bomber 2Autumn School Contest 20042183216

2105Alice and Bob are on BikesUral FU Junior Championship 2016600216

1002Phone NumbersCentral European Olympiad in Informatics 19996459218

1133Fibonacci SequenceNEERC 2001 Central Subregional2069219

2095ScrumUral FU Personal Contest 2014622223

1726VisitsUral Regional School Programming Contest 20091463225

1052Rabbit HuntUSU Local Contest. March 20006055226

1125HopscotchUSU Championship 20011999226

1204IdempotentsUSU Local Contest. March 20022015226

1033LabyrinthUral Championship 19996094229

1205By the Underground or by Foot?USU Local Contest. March 20021990229

1521War Games 2Timus Top Coders: Third Challenge1855231

1737Mnemonics and Palindromes 3USU Championship 20091408233

1247Check a SequenceUSU Personal Contest 20031960235

1011ConductorsUSU Championship 19975950236

1795Husband in a ShopUral Regional School Programming Contest 20101261236

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional780236

1049Brave BalloonistsUSU Local Contest. March 20005719239

1122GameAutumn School Contest 20011886239

1658Sum of DigitsNEERC 2008 Eastern Subregional1514239

1150Page NumbersUral Championship 2001. Round 21888240

1080Map ColoringWinter Mathematical Festival Varna 20015149241

1191Catch the thief!Spring School Contest 20021882241

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1974241

2098Lada PrioraUral FU Personal Contest 2014568244

1108HeritageBulgarian Online Contest September 20011843245

1109ConferenceBulgarian Online Contest September 20011843245

2065Different SumsUral Regional School Programming Contest 2015640246

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional740248

1603EruditeUSU Personal Contest 20081544249

1200Horns and HoofsUSU Local Contest. March 20021820250

1195Ouths and CrossesSpring School Contest 20021802252

1450Russian PipelinesTimus Top Coders: Second Challenge1787254

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1724254

1433DiamondsUSU Personal Contest 20061807255

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1253256

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014830257

1028StarsUral Championship 19995381259

1244GentlemenUSU Personal Contest 20031782259

1298KnightSpring School Contest 20041805259

1113JeepBulgarian Online Contest September 20011737260

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1626260

1684Jack's Last WordUSU Personal Contest 20091345260

2067Friends and BerriesUral Regional School Programming Contest 2015601261

2144Cleaning the RoomUral School Programming Contest 2019225262

1501Sense of BeautyNEERC 2006 Eastern Subregional1638265

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031714269

1604Country of FoolsUSU Personal Contest 20081429269

1160NetworkNEERC 2001 Northern Subregional1698270

1117HierarchyAutumn School Contest 20011665271

1220StacksUSU Championship 20021693271

1741Communication FiendUSU Championship 20091209271

1889Airport AnnouncementsNEERC 2011 Eastern Subregional975273

1010Discrete FunctionUSTU PhysTech Cup 20005114275

1922Superhero TeamUral Regional School Programming Contest 2012862275

1087The Time to Take StonesSpring School Contest 20014448277

2024Adventure TimeUral Regional School Programming Contest 2014660277

1517Freedom of ChoiceTimus Top Coders: Third Challenge1529280

1537EntsUSU Personal Contest 20071501280

1826MinefieldUSU Personal Contest 20111015280

1179Numbers in TextUSU Personal Contest 20021612281

1718RejudgeNEERC 2009 Eastern Subregional1171282

2034CaravansUral Regional School Programming Contest 2014644283

1018Binary Apple TreeUSU Local Contest. 19994873288

1184Cable MasterNEERC 20011565290

2104Game with a StripUral FU Junior Championship 2016445290

1377Lara CroftUral Championship 2005. Round 11634291

1497Cutting a SquareAutumn School Contest 20061474295

1032Find a MultipleUral Championship 19994101296

1153SupercomputerUral Championship 2001. Round 21525296

1551Sumo TournamentUral Championship 20071406296

1036Lucky Tickets4706297

1346Intervals of MonotonicityUSU Championship 20041593297

1215Exactness of Projectile HitAutumn School Contest 20021537298

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1076298

1320Graph DecompositionUral Championship 2004. Round 21567299

1989SubpalindromesUral FU Championship 2013700300

1124MosaicUSU Championship 20011497301

1047Simple CalculationsUSU Local Contest. March 20004531302

1024PermutationsAutumn School Contest 20004614303

1779The Great TeamUral SU Championship 2010983303

2003Simple MagicUral Regional School Programming Contest 2013686303

1190Bar of ChocolateSpring School Contest 20021494304

1185WallNEERC 20011487305

1227Rally ChampionshipNEERC 2002 Central Subregional1502305

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1381305

1753BookshelfUSU Personal Contest 20101025308

1823Ideal GasUSU Personal Contest 2011922308

1998The old PadawanNEERC 2013 Eastern Subregional679308

2145Olympiad for EveryoneUral School Programming Contest 2019190308

1294Mars SatellitesSpring School Contest 20041514309

1127Colored BricksUSU Championship 20011452311

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1283312

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1028312

1588JamaicaNEERC 2007 Eastern Subregional1264314

1934Black SpotUral FU Championship 2012746316

2062Ambitious ExperimentUral Regional School Programming Contest 2015496316

1223Chernobyl’ Eagle on a RoofUSU Championship 20021443317

1053PinocchioNEERC 2000 Central Subregional4281318

1211Collective GuaranteeAutumn School Contest 20021438318

1116Piecewise Constant FunctionAutumn School Contest 20011414319

2078Bowling gameUral Championship 2016439320

1218Episode N-th: The Jedi TournamentUSU Championship 20021428321

1156Two RoundsUral Championship 2001. Round 21385326

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012724327

1246Tethered DogUSU Personal Contest 20031384333

1992CVSNEERC 2013 Eastern Subregional628333

1282Game TreeNEERC 2003 Central Subregional1392334

1261TipsAutumn School Contest 20031384335

1873GOV ChroniclesUral Regional School Programming Contest 2011794335

2113Survive the floodUniversity academic school olympiad in informatics 2019211335

1302Delta-waveUral Championship 19981390336

1495One-two, One-two 2Autumn School Contest 20061289337

1121BranchesAutumn School Contest 20011332338

1406Next NumberAutumn School Contest 20051402338

1029MinistryUral Championship 19993582339

1651Shortest SubchainNEERC 2008 Eastern Subregional1053342

1137Bus RoutesNEERC 2001 Central Subregional1311344

1008Image EncodingUSTU PhysTech Cup 20004061346

1356Something EasierSpring School Contest 20051363347

1090In the Army NowUSU Local Contest. March 20013364348

1201Which Day Is It?USU Local Contest. March 20021294350

1933Guns for Battle!Ural FU Championship 2012672350

1574Mathematicians and bracketsAutumn School Contest 20071129352

1431DiplomasUSU Personal Contest 20061302353

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest986353

1060Flip GameNEERC 20003645354

1793Tray 2Ural Regional School Programming Contest 2010837355

1176HyperchannelsUSU Personal Contest 20021267357

1648YachtsAutumn School Contest 20081003360

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional821360

1981Parallel and PerpendicularUral FU Championship 2013578362

1141RSA Attack1242363

1403CourierAutumn School Contest 20051306363

2108Oleg and Little PoniesUral FU Junior Championship 2016353363

1427SMSTimus Top Coders: First Challenge1265364

1140Swamp IncidentNEERC 2001 Central Subregional1230366

1292Mars Space StationsSpring School Contest 20041272367

1031Railway TicketsUral Championship 19993777369

1483Table FootballUSU Championship 20061180369

1078SegmentsWinter Mathematical Festival Varna 20013346371

1229Strong BrickworkNEERC 2002 Central Subregional1231372

1287Mars CanalsUSU Personal Contest 20041253372

2021Scarily interesting!NEERC 2014 Eastern Subregional491372

1039Anniversary PartyUSU Championship 20003685375

1513Lemon TaleTimus Top Coders: Third Challenge1134377

1941Scary Martian WordUral FU Personal Contest 2012612377

1262Pseudo-Roman NumberAutumn School Contest 20031225379

1003ParityCentral European Olympiad in Informatics 19993707380

1007Code WordsUSU Championship 19973690381

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011180382

1407One-two, One-twoAutumn School Contest 20051241382

1289One Way TicketUSU Personal Contest 20041200388

1155TroubleduonsUral Championship 2001. Round 21161389

1350CanteenSpring School Contest 20051214389

1410CrackUSU Championship 20051212390

1259How to Become Star?Autumn School Contest 20031186391

1489Points on a ParallelepipedAutumn School Contest 20061109391

1628White StreaksUSU Championship 2008925391

1111SquaresBulgarian Online Contest September 20011140394

2063Black and WhiteUral Regional School Programming Contest 2015395394

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest678395

1055CombinationsNEERC 2000 Central Subregional3425398

1252Sorting the TombstonesUSU Local Contest. March 20031157398

1291Gear-wheelsSpring School Contest 20041173398

1077Travelling Tours1126400

1904The Lessons of the PastUral Championship 2012587404

1217Unlucky TicketsUSU Championship 20021125406

1128Partition into GroupsUSU Championship 20011104408

1115ShipsBulgarian Online Contest September 20011100409

1162Currency ExchangeNEERC 2001 Northern Subregional1102409

1401GamersAutumn School Contest 20051159409

1562GM-pineappleUSU Championship 2007969410

2047MathsUral Championship 2015408410

1416ConfidentialUSU Championship 20051150411

2046The First Day at SchoolUral Championship 2015407411

2109Tourism on MarsUral FU Junior Championship 2016311411

1107Warehouse ProblemTetrahedron Team Online Contest May 20011078415

1258PoolAutumn School Contest 20031115416

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest853416

1279WarehouseNEERC 2003 Central Subregional1113417

1221Malevich Strikes Back!USU Championship 20021094418

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional631420

1828Approximation by a ProgressionUSU Personal Contest 2011672422

1650BillionairesNEERC 2008 Eastern Subregional848424

1759Long-LiversUSU Personal Contest 2010741425

1783Nuclear Arms RaceUral SU Championship 2010699425

1015Test the Difference!USU Local Contest. 19993286426

1326Bottle TapsUral Championship 2004. Round 21096426

1238FoldingNEERC 20021074427

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection508429

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest622430

1322SpyUral Championship 2004. Round 21082431

1507Difficult DecisionNEERC 2006 Eastern Subregional1003431

1602ElevatorUSU Personal Contest 2008889431

1732Ministry of TruthUSU Championship 2009758431

1776Anniversary FireworkUral SU Championship 2010688431

1519Formula 1Timus Top Coders: Third Challenge988432

1571InterpretersUSU Championship 2007919432

1343Fairy TaleUSU Championship 20041089433

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014418433

1094E-screenUSU Local Contest. March 20012689434

1181Cutting a Painted PolygonUSU Personal Contest 20021037436

1316Electronic AuctionUral Championship 2004. Round 11065438

2030Awesome Backup SystemUral Regional School Programming Contest 2014413438

1019Line PaintingUSU Local Contest. 19993185440

1963KiteUral FU Personal Contest 2013494440

1202Rectangles TravelUSU Local Contest. March 20021026441

1901Space ElevatorsUral Championship 2012537441

1631Drunk King 2USU Championship 2008817442

1129Door PaintingUSU Championship 20011015443

1480CouponsUSU Championship 2006971447

1890Money out of Thin AirNEERC 2011 Eastern Subregional591448

1414Astronomical DatabaseUSU Championship 20051052449

2148Insane ShotUral School Programming Contest 2019127449

1439Battle with You-Know-WhoUral Championship 20061009451

1774Barber of the Army of MagesUral SU Championship 2010658451

1038Spell CheckerUSU Championship 20003028456

1643Attack of the Dark FortressAutumn School Contest 2008788457

1089Verification with a VocabularySpring School Contest 20012683458

1700AwakeningUral Championship 2009751459

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional451460

1430Crime and PunishmentTimus Top Coders: First Challenge996462

1329Galactic HistoryAutumn School Contest 20041010465

1525PathPetrozavodsk Winter 2007. D.Gozman Contest902466

1923Scary PoliticsUral Regional School Programming Contest 2012505466

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional389467

1362Classmates 2Ural Championship 2005. Round 21007468

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019148468

1273TieUSU Championship 2003982472

1641DutiesAutumn School Contest 2008760473

1577E-mailAutumn School Contest 2007834475

1535The Hobbit or There and Back AgainUSU Personal Contest 2007875479

1579Coat TransportationAutumn School Contest 2007824481

2026Dean and ScheduleUral Regional School Programming Contest 2014374482

1072RoutingUSU Personal Contest 20012591484

1900Brainwashing DeviceUral Championship 2012487485

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest369485

1428Jedi RiddleTimus Top Coders: First Challenge944487

1189Pairs of IntegersNEERC 2001923490

1728Curse on Team.GOVUral Regional School Programming Contest 2009665492

1103Pencils and CirclesTetrahedron Team Online Contest May 2001904494

1236Decoding TaskNEERC 2002924495

1051Simple Game on a GridUSU Local Contest. March 20002744497

1465Pawn GamePetrozavodsk Winter 2006. USU Contest883498

1437Gasoline StationUSU Personal Contest 2006917499

1995Illegal spicesNEERC 2013 Eastern Subregional415499

1158Censored!NEERC 2001 Northern Subregional900500

1212BattleshipAutumn School Contest 2002906503

2146Quiz ShowUral School Programming Contest 2019112504

1045Funny GameUSU Local Contest. March 20002702505

1182Team Them Up!NEERC 2001892506

1198Jobbery924511

1091Tmutarakan ExamsUSU Local Contest. March 20012280512

2071Juice CocktailsUral Regional School Programming Contest 2015302512

1069Prufer CodeUSU Personal Contest 20012437514

1806Mobile TelegraphsNEERC 2010 Eastern Subregional563522

1366PresentsUral Championship 2005. Round 2900524

1067Disk TreeNEERC 20002454525

1098Questions2117527

1334CheckersAutumn School Contest 2004889527

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005891528

1682Crazy ProfessorUSU Personal Contest 2009658528

1056Computer NetNEERC 2000 Central Subregional2574529

1371Cargo AgencyUral Championship 2005. Round 1879538

1421Credit OperationsTimus Top Coders: First Challenge852539

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional543541

1400Cellular CharactersAutumn School Contest 2005868544

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional601544

1066GarlandNEERC 20002347549

1600AirportUSU Personal Contest 2008695549

2143Victoria!Ural School Programming Contest 2019102549

1101Robot in the FieldTetrahedron Team Online Contest May 2001811550

1358CablesSpring School Contest 2005856550

1375Bill CleversUral Championship 2005. Round 1859550

1095Nikifor 3USU Local Contest. March 20012106554

1172Ship RoutesRomanian Online Contest December 2001811554

1325DirtUral Championship 2004. Round 2840554

2081Faulty dialUral Championship 2016249554

1942Attack at the OrbitUral FU Personal Contest 2012411557

2060Subpalindrome pairsPalindromic Contest 288559

1871Seismic WavesUral FU Championship 2011472561

2112Battle logUniversity academic school olympiad in informatics 2019122561

1534Football in GondorUSU Personal Contest 2007744562

1004Sightseeing TripCentral European Olympiad in Informatics 19992495563

1143Electric PathDSAP Vietnam Online Contest November 2001795565

2099Space InvaderUral FU Personal Contest 2014238569

1448Lighting in HogwartsUral Championship 2006793573

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014310579

1445Christmas giftsUral Championship 2006783580

1729Dead Man's ChestUral Regional School Programming Contest 2009560583

1980Road to InvestorUral Championship 2013365583

2080WalletUral Championship 2016236583

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest809584

1605Devil's SequenceUSU Personal Contest 2008653584

1971Graphics SettingsUral Championship 2013364584

1027D++ AgainAutumn School Contest 20002384586

1713Key SubstringsNEERC 2009 Eastern Subregional556588

1132Square Root761589

1592Chinese WatchesNEERC 2007 Eastern Subregional668589

1754Explosion in a PyramidUSU Personal Contest 2010528593

1071Nikifor 2USU Personal Contest 20012108594

1085MeetingSpring School Contest 20012059596

1870Zinium 2Ural FU Championship 2011439602

1698Square Country 5Petrozavodsk Winter 2009. USU Contest573603

1690Army of MagesPetrozavodsk Winter 2009. USU Contest572604

1710Boris, You Are Wrong!Ural Championship 2009569604

1550Dean's Pyramid 3Ural Championship 2007680606

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional387606

1701Ostap and PartnersUral Championship 2009565608

1891Language OceanNEERC 2011 Eastern Subregional430612

2116He is not a knight for youUniversity academic school olympiad in informatics 2019111612

1659Regular TrianglesNEERC 2008 Eastern Subregional583614

1884Way to the UniversityUral Regional School Programming Contest 2011429614

1452Pascal vs. C++Timus Top Coders: Second Challenge732616

1064Binary SearchNEERC 20002088617

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest709619

1061Buffer ManagerNEERC 20002078620

1309DisputeUral Championship 2004. Round 1749620

1332Genie BomberAutumn School Contest 2004754620

1706Cipher Message 2Ural Championship 2009553621

1760Infernal WorkUSU Personal Contest 2010504621

1314Chase in SubwayUral Championship 2004. Round 1743625

1966Cycling RoadsUral FU Personal Contest 2013343628

1070Local TimeUSU Personal Contest 20011988630

1500Pass LicensesNEERC 2006 Eastern Subregional682631

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009515632

1822Hugo II's WarUSU Personal Contest 2011444633

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest626634

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014282634

1059ExpressionNEERC 2000 Central Subregional2141635

1542AutocompletionUral Championship 2007646638

2004Scientists from SpilkovoUral Regional School Programming Contest 2013321638

1254Die HardUSU Local Contest. March 2003716639

1054Hanoi TowerNEERC 2000 Central Subregional2093650

1248Sequence SumUSU Personal Contest 2003701652

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest100652

1443RailsUral Championship 2006691656

1803The Czechs' RiflesNEERC 2010 Eastern Subregional443661

1838Samurai's StrokeUral Championship 2011419662

1564Counting OnesUSU Championship 2007595664

1767The House of Doctor DeeUral Championship 2010467664

1234BricksNEERC 2002685665

1928Another Ecology ProblemUral Regional School Programming Contest 2012349669

2130Alice + BobLater is better than never90669

1076Trash1845674

1484Film RatingUSU Championship 2006639676

1866Poetic FootUral FU Championship 2011390676

1096Get the Right Route Plate!USU Local Contest. March 20011718679

1253NecrologuesUSU Local Contest. March 2003672680

1274Fractional ArithmeticNEERC 2003 Central Subregional678680

1286Starship TravelUSU Personal Contest 2004681680

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest536680

1186Chemical ReactionsNEERC 2001660682

1174Weird PermutationsRomanian Online Contest December 2001654686

1440Training ScheduleUral Championship 2006657689

1606SlalomUSU Personal Contest 2008550691

1379Cups TransportationUral Championship 2005. Round 1681692

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest622696

1057Amount of DegreesNEERC 2000 Central Subregional1947698

1088Ilya MurometzSpring School Contest 20011753700

1872Spacious OfficeUral FU Championship 2011375702

1305Convex HullUral Championship 1998659703

1962In Chinese RestaurantUral FU Personal Contest 2013305704

1772Ski-Trails for RobotsUral Championship 2010439705

1611DecimationUral Championship 2008534707

1250Sea BurialUSU Local Contest. March 2003644709

2009Canteen LineUral Regional School Programming Contest 2013288709

1405Goat in the Garden 5Autumn School Contest 2005661712

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014250713

1169PairsRomanian Online Contest December 2001627715

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest247715

1168Radio StationsRomanian Online Contest December 2001626716

1593Square Country. Version 2486716

2048HistoryUral Championship 2015228721

1424MinibusTimus Top Coders: First Challenge633722

1486Equal SquaresUSU Championship 2006597723

1159FenceNEERC 2001 Northern Subregional617726

1633HippogriffsUSU Championship 2008493727

1939First SealUral FU Championship 2012319727

1230Introspective ProgramNEERC 2002 Central Subregional620732

1301Cube in LabyrinthUral Championship 1998630735

1940Not So Simple YearsUral FU Championship 2012313740

1235Cricket FieldNEERC 2002613742

1268Little ChuUSU Championship 2003618745

1392Dreaming of Stars623755

2114My craftUniversity academic school olympiad in informatics 201988755

1456Jedi Riddle 2Timus Top Coders: Second Challenge594756

1034Queens in Peaceful PositionsUral Championship 19991834758

1773Metro to Every HomeUral Championship 2010406761

1755CakeUSU Personal Contest 2010409762

1716Alternative SolutionNEERC 2009 Eastern Subregional425765

1943Space RummyUral FU Personal Contest 2012296767

1961Cantonese DialectUral FU Personal Contest 2013279767

1342EnterpriseUSU Championship 2004609768

2074Timus problems classifierQualification of Eastern Subregional 2015186769

2064CaterpillarsUral Regional School Programming Contest 2015197771

1276TrainNEERC 2003 Central Subregional596773

1016Cube on the WalkUSU Local Contest. 19991803774

2089Experienced coachUral Championship 2016175776

1892Morning in KoltsovoNEERC 2011 Eastern Subregional335780

1629TripUSU Championship 2008458782

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional228783

1277Cops and ThievesNEERC 2003 Central Subregional587784

1647Divide an Island!Autumn School Contest 2008455784

1147Shaping RegionsDSAP Vietnam Online Contest November 2001566789

1587Flying PigNEERC 2007 Eastern Subregional494793

1042Central HeatingUSU Championship 20001730796

1614National Project “Trams”Ural Championship 2008473796

1903Unidentified ShipsUral Championship 2012292799

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional287810

1825Ifrit Bomber 2USU Personal Contest 2011343814

2106DeserializationUral FU Junior Championship 2016152814

2135Pauline and commitsLater is better than never72815

1323ClassmatesUral Championship 2004. Round 2566817

1105Observers ColoringTetrahedron Team Online Contest May 2001540820

2110Remove or MaximizeUral FU Junior Championship 2016151820

1646Godzilla Strikes Back!Autumn School Contest 2008434821

1512ZiniumTimus Top Coders: Third Challenge515822

1547Password SearchUral Championship 2007497825

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest77825

2128Rubina's SolitaireLater is better than never71825

1780Gray CodeUral SU Championship 2010353829

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest474833

1436BillboardUSU Personal Contest 2006545834

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest518834

1775Space BowlingUral SU Championship 2010351834

1832Arirang ShowUral Championship 2011330835

1030TitanicUral Championship 19991661837

1830Help in the RNOSUral Championship 2011329838

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest519841

1269Obscene Words FilterUSU Championship 2003543846

1932The Secret of IdentifierUral FU Championship 2012272848

1444ElephpotamusUral Championship 2006528855

1373Pictura ex MachinaUral Championship 2005. Round 1548856

1498Stroke at Full SpeedAutumn School Contest 2006502856

1689Fisherman and BarbellUSU Personal Contest 2009402856

1705Gangster HaresUral Championship 2009396861

1154Mages ContestUral Championship 2001. Round 2516865

1990PodracingNEERC 2013 Eastern Subregional235866

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest394870

1875Angry BirdsUral Regional School Programming Contest 2011300870

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest360874

1546Japanese SortingUral Championship 2007468875

1398Bishop and Pawn478881

1422FirefliesTimus Top Coders: First Challenge516883

1580Dean's DebtsAutumn School Contest 2007444883

1165SubnumberNEERC 2001 Northern Subregional504885

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional327888

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest467891

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest353891

2008SwiftyUral Regional School Programming Contest 2013227891

2140BitMazeCraftUral School Programming Contest 201959892

1738Computer SecurityUSU Championship 2009358899

1994The Emperor's planNEERC 2013 Eastern Subregional226899

1339BabiesUSU Championship 2004518901

1578Mammoth HuntAutumn School Contest 2007435901

1418Military StoryUSU Championship 2005516906

1575Yekaterinburg Subway 2Autumn School Contest 2007431909

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012254910

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection234911

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest288913

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional253915

2129Mortgage in Far Away KingdomLater is better than never63916

1896War Games 2.1149919

1245PicturesUSU Personal Contest 2003494920

1720Summit Online JudgeNEERC 2009 Eastern Subregional351921

1006Square FramesUSU Championship 19971514924

2092BoleroUral FU Personal Contest 2014142928

1130Nikifor's WalkUSU Championship 2001478931

1965Pear TreesUral FU Personal Contest 2013228932

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest67932

1175Strange SequenceUSU Personal Contest 2002475941

1233Amusing NumbersNEERC 2002481941

1237Evacuation PlanNEERC 2002474956

1324Extra SpacesUral Championship 2004. Round 2482957

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest294959

1570Eating HighUSU Championship 2007408961

1863Peaceful AtomUral FU Championship 2011271962

1630TalismanUSU Championship 2008370963

1364LaraKillerUral Championship 2005. Round 2483966

1040Airline CompanyUSU Championship 20001414973

1435Financial ErrorUSU Personal Contest 2006466973

1715Another Ball KillerNEERC 2009 Eastern Subregional332973

1824Ifrit BomberUSU Personal Contest 2011285975

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest402978

1974Similar TunesUral Championship 2013213980

1608Lucky Tickets 2008Ural Championship 2008381983

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest177983

1278“… Connecting People”NEERC 2003 Central Subregional466984

1927Herbs and MagicUral Regional School Programming Contest 2012234984

1986Paul’s SaladsUral FU Championship 2013206985

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest366987

1988Planet Ocean LandingUral FU Championship 2013205989

1451Beerhouse TaleTimus Top Coders: Second Challenge450993

1331VladislavaAutumn School Contest 2004465997

1569Networking the “Iset”USU Championship 2007392999

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest3461004

1905Travel in TimeUral Championship 20122291009

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4281015

1761Binary PalindromeUSU Personal Contest 20103041016

1591Abstract ThinkingNEERC 2007 Eastern Subregional3811022

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2521027

1996Cipher Message 3NEERC 2013 Eastern Subregional1961030

1434Buses in VasyukiUSU Personal Contest 20064371036

1447Portkey NetworkUral Championship 20064331038

1151RadiobeaconsUral Championship 2001. Round 24271041

1936RoshamboUral FU Championship 20122191044

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3261046

1836Babel FishUral Championship 20112601052

1173Lazy SnailRomanian Online Contest December 20014221054

1533Fat HobbitsUSU Personal Contest 20073911056

1970皇后像廣場Ural FU Personal Contest 20132001056

2103Corporate MailUral FU Junior Championship 20161151056

1827Indigenous WarsUSU Personal Contest 20112621057

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest4051061

1518Jedi Riddle 3Timus Top Coders: Third Challenge3961063

1627JoinPetrozavodsk Winter 2008. ITMO Contest3391063

1730ManBearPigUral Regional School Programming Contest 20093021064

1539Intelligence DataUSU Personal Contest 20073851072

1317HailUral Championship 2004. Round 24251082

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3971082

1883Ent's BirthdayUral Regional School Programming Contest 20112391083

1540Battle for the RingUSU Personal Contest 20073731106

1784RoundersUral SU Championship 20102611111

1937Davy Jones’s OrganUral FU Championship 20122051112

1948The Robot on the LineUral FU Personal Contest 20122011112

1768Circular StringsUral Championship 20102741115

1976Game OptimizationUral Championship 20131851121

1341DeviceUSU Championship 20044111130

1921Chaos and OrderUral Regional School Programming Contest 20122021133

1862Very Wealthy MoleUral FU Championship 20112281135

1595Perfect Sequence2931136

2017Best of a bad lotNEERC 2014 Eastern Subregional1541136

1736Chinese HockeyUSU Championship 20092791144

1979Resources DistributionUral Championship 20131811144

1310ACM DiagnosticsUral Championship 2004. Round 14001148

1037Memory ManagementUSU Championship 200011961149

1099Work Scheduling9121151

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4041154

1907Coffee and BunsUral Championship 20121991154

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest521158

1393Average Common Prefix3981160

1441From the History of Gringotts BankUral Championship 20063811176

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2651176

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2211177

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3321178

1408Polynomial MultiplicationAutumn School Contest 20053951180

1687Numismatics for FunUSU Personal Contest 20092881184

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2191188

1511Fiscal OperationsTimus Top Coders: Third Challenge3531189

2059Not common palindromesPalindromic Contest 1301190

1357Teakettle 1.0 for DummiesSpring School Contest 20053891193

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141081196

1544Classmates 3Ural Championship 20073391199

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3441200

1458War GamesTimus Top Coders: Second Challenge3681209

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest491216

1453QueenTimus Top Coders: Second Challenge3651218

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3551219

1790Searching for the TruthUral Regional School Programming Contest 20102351226

1359ConstructionSpring School Contest 20053781227

1949The Best Picture in the GalaxyUral FU Personal Contest 20121811229

2134StampmanLater is better than never441238

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2801239

1722Observation DeckUral Regional School Programming Contest 20092581239

1538Towers of GuardUSU Personal Contest 20073311242

2052Physical EducationUral Championship 20151271252

1487Chinese FootballUSU Championship 20063401254

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3051268

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2431278

1307ArchiverUral Championship 2004. Round 13571283

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102241284

1879GOV-internship 2Ural Regional School Programming Contest 20112001284

1669Universal WordPetrozavodsk Winter 2008. USU Contest2671297

1171Lost in SpaceRomanian Online Contest December 20013401301

1419Maps of the Island WorldsUSU Championship 20053561301

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest451305

1177Like ComparisonsUSU Personal Contest 20023381312

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2121313

1035Cross-stitchUral Championship 199910521314

1766Humpty DumptyUral Championship 20102311314

2055Urban GeographyUral Championship 20151191330

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1281331

1321Floor IndicatorUral Championship 2004. Round 23431334

1360Philosophical DisputeUral Championship 2005. Round 23451342

1807Cartridges for MaximNEERC 2010 Eastern Subregional2121348

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3041353

1097Square Country 2USU Local Contest. March 20018561354

2107Oppa Funcan StyleUral FU Junior Championship 2016871360

1050Preparing an ArticleUSU Local Contest. March 20009961361

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3021362

1065FrontierNEERC 20009381365

1328FireballAutumn School Contest 20043371365

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3101376

1347BlogSpring School Contest 20053331388

1686Photovoltaic SpaceshipUSU Personal Contest 20092441389

1983Nectar GatheringUral FU Championship 20131431390

1240Heroes of Might and MagicNEERC 20023221392

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2291392

1281River BasinNEERC 2003 Central Subregional3261393

1345HTMLUSU Championship 20043311395

1318LogarithmUral Championship 2004. Round 23251406

1968Glass PyramidUral FU Personal Contest 20131471412

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2431413

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1811426

1657Cube SnakeNEERC 2008 Eastern Subregional2451427

1311Stable ConstructionUral Championship 2004. Round 13181435

1499KerchiefsAutumn School Contest 20062931446

1449Credit Operations 2Timus Top Coders: Second Challenge3051450

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1901458

1266Kirchhoff's LawUSU Championship 20033101462

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2431466

2101Knight's ShieldUral FU Junior Championship 2016801466

1170DesertRomanian Online Contest December 20012981478

1299PsyloniansSpring School Contest 20043081479

1378Artificial IntelligenceUral Championship 2005. Round 13111489

1947MeanderUral FU Personal Contest 20121471495

1265MirrorUSU Championship 20033021500

2147City BuildingUral School Programming Contest 2019311501

2085Magic ProgrammerUral Championship 2016851511

1412Autumn TideUSU Championship 20053051512

2058100500 palidnromesPalindromic Contest 1001515

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2001540

1488ACM PokerUSU Championship 20062741545

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2981552

1762Search for a Hiding-PlaceUSU Personal Contest 20101951557

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1641563

1337BureaucracyAutumn School Contest 20042921569

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2161581

1043Cover an ArcUSU Championship 20008661582

2007Mutants versus MachinesUral Regional School Programming Contest 20131211612

1568Train Car SortingUSU Championship 20072391613

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1391615

1946Chinese Hockey 3Ural FU Personal Contest 20121351618

1770The Party of Ural ChampionsUral Championship 20101851623

1985Prime SquareUral FU Championship 20131201636

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1251647

1485Football and LieUSU Championship 20062561650

1251Cemetery ManagerUSU Local Contest. March 20032711651

1241Inlay CuttersNEERC 20022701652

1285Thread in a HyperspaceUSU Personal Contest 20042721667

2132Graph Decomposition. Version 2Later is better than never301672

1764TranssibUral Championship 20101771693

1565The Duel for ThreeUSU Championship 20072241716

1257HyphenationAutumn School Contest 20032621719

1420Integer-Valued Complex DivisionUSU Championship 20052661726

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1971726

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2471731

1508Japanese PuzzleNEERC 2006 Eastern Subregional2421732

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1951743

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611750

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201752

1425Queen 2Timus Top Coders: First Challenge2551753

2136John vs SantaLater is better than never281759

1148Building TowersDSAP Vietnam Online Contest November 20012481762

1338AutomobilesUSU Championship 20042601762

1397Points Game2391768

1670AsteriskPetrozavodsk Summer 2008. USU Contest1921769

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1421770

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2571790

1908Brute-force SearchUral Championship 20121241800

1062TriathlonNEERC 20007071804

1950Martian FarmlandsUral FU Personal Contest 20121201805

1703Robotic ArmUral Championship 20091831812

1046Geometrical DreamsUSU Local Contest. March 20007441816

1503PolynomialNEERC 2006 Eastern Subregional2291827

1583CheeseNEERC 2007 Eastern Subregional2081832

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012381834

1516NostalgiaTimus Top Coders: Third Challenge2251836

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1211837

1514National ParkTimus Top Coders: Third Challenge2241844

1707Hypnotoad's SecretUral Championship 20091791850

1886Trip 2NEERC 2011 Eastern Subregional1341869

2097Snowboarding on SpilnayaUral FU Personal Contest 2014651881

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1801891

1610CactusesUral Championship 20081931893

1782Jack's New WordUral SU Championship 20101491893

1802Cube PuzzleNEERC 2010 Eastern Subregional1481894

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1791901

1417Space Poker 2USU Championship 20052401905

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1431905

1615Tram SolitaireUral Championship 20081901922

1163ChapaevNEERC 2001 Northern Subregional2261928

1304ParallelepipedUral Championship 19982341928

1093DartsUSU Local Contest. March 20015971932

1655Somali PiratesNEERC 2008 Eastern Subregional1781936

1267Yekaterinburg SubwayUSU Championship 20032311942

1315MDPAR and MIIARUral Championship 2004. Round 12321946

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1561948

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest841955

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1551960

1781Clean CodeUral SU Championship 20101431968

1492Vasya's Dad 2Autumn School Contest 20062121973

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2051976

1455Freedom of SpeechTimus Top Coders: Second Challenge2182004

1532Lost in TranslationUSU Personal Contest 20072012007

1187Statistical TroubleNEERC 20012172012

1396Maximum. Version 22162013

1734Endgame DatabaseUSU Championship 20091542016

2133Terms of referenceLater is better than never232026

1075Thread in a SpaceUSU Personal Contest 20016082036

1216Two Pawns and One KingUSU Championship 20022162041

1739FaryuksUSU Championship 20091522041

1074Very Short ProblemUSU Personal Contest 20016012059

1702CrossroadUral Championship 20091592069

1831Tsyfirkin's LessonUral Championship 20111262088

1041NikiforUSU Championship 20006462112

1841CablewaysPetrozavodsk Summer 2010. USU Contest1192112

1188LibraryNEERC 20012062115

1541ChaseUSU Personal Contest 20071902117

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2072126

1757Gold BarsUSU Personal Contest 20101402127

1063Domino PuzzleNEERC 20005952137

1634Spider MiteUSU Championship 20081612139

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest752162

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection922179

1895Steaks on BoardNEERC 2011 Eastern Subregional1122206

2083The Guardian of TraditionsUral Championship 2016552208

1092TransversalUSU Local Contest. March 20015192216

1288AstrolocationUSU Personal Contest 20042022217

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection902223

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1122233

1543Dance RevolutionUral Championship 20071772238

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest222243

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22022247

1256Cemetery GuardUSU Local Contest. March 20031952263

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1102266

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest712268

1549Another Japanese PuzzleUral Championship 20071722299

1867NanotechnologiesUral FU Championship 20111072310

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1162314

1284Space PokerUSU Personal Contest 20041902350

1232Asteroid LandingNEERC 2002 Central Subregional1852366

1839The MentaculusUral Championship 20111102367

1504Good MannersNEERC 2006 Eastern Subregional1742373

1977Energy WallUral Championship 2013822376

1481Winning ChancesUSU Championship 20061742385

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest202392

1270UnicubeUSU Championship 20031832424

1969Hong Kong TramUral FU Personal Contest 2013812437

1368Goat in the Garden 3Ural Championship 2005. Round 21842456

1717Eligibility RulesNEERC 2009 Eastern Subregional1252464

1833Hopes of RowingUral Championship 20111052470

20503D-modelingUral Championship 2015592486

1454Rectangles 2Timus Top Coders: Second Challenge1722510

1520Empire Strikes BackTimus Top Coders: Third Challenge1592553

1652Banking CrisisNEERC 2008 Eastern Subregional1322562

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1032580

1597Chernobyl’ Eagle on a Roof. Version 2632603

1395Pascal vs. C++. Version 21652607

1882Old NokiaUral Regional School Programming Contest 2011932618

1850Space TourismPetrozavodsk Summer 2010. USU Contest942619

1429BiscuitsTimus Top Coders: First Challenge1672625

1758Bald Spot Revisited 2USU Personal Contest 20101112637

1599Winding Number502688

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015462693

1275Knights of the Round TableNEERC 2003 Central Subregional1622722

1978E-LiteUral Championship 2013702732

1300TaxesUral Championship 19981612752

1609Tram TileUral Championship 20081292765

1308Dean's PyramidUral Championship 2004. Round 11592786

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1342798

1735Theft of the CenturyUSU Championship 20091082803

1835Swamp DoctorUral Championship 2011912812

2049ChemistryUral Championship 2015512812

2096All InclusiveUral FU Personal Contest 2014402822

1058ChocolateNEERC 2000 Central Subregional4712834

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1162852

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1132859

1945Many-armed BrothersUral FU Personal Contest 2012722862

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062868

2084Technical debtUral Championship 2016402870

1972Game TestingUral Championship 2013662876

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1122882

1464LightPetrozavodsk Winter 2006. USU Contest1442888

1312TrayUral Championship 2004. Round 11532889

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732900

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection662925

1239Ghost BustersNEERC 20021472943

1566Triangular PostcardsUSU Championship 20071252975

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142990

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1372994

1829Routing TablesUSU Personal Contest 2011862995

1505Oil TransferNEERC 2006 Eastern Subregional1353011

1704DemodulationUral Championship 20091063014

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest863037

1865The Island of MärketUral FU Championship 2011783071

2139Experiment with JuiceUral School Programming Contest 2019103076

2061OEIS A216264Palindromic Contest 443085

1438Time Limit ExceededUSU Personal Contest 20061403087

141140 Islands KnightsUSU Championship 20051443093

1367Top SecretUral Championship 2005. Round 21443094

1637Triangle Game 2USU Championship 20081083100

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest133120

1482Triangle GameUSU Championship 20061303134

1442Floo PowderUral Championship 20061363149

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1313154

2022Riding a ToadNEERC 2014 Eastern Subregional493157

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013168

2053BiologyUral Championship 2015443177

2087TrainsUral Championship 2016343261

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1023313

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013342

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection563368

1681Brother Bear's GardenUSU Personal Contest 2009923460

2006Kirill the GardenerUral Regional School Programming Contest 2013513462

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543473

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833477

2051PhysicsUral Championship 2015393501

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673532

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1253540

2057Non-palidromic cuttingPalindromic Contest 373545

1166Funny Card GameNEERC 2001 Northern Subregional1213571

1798Fire Circle. Version 2363588

1199Mouse1083642

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643681

2137Dynamic string complexityLater is better than never83714

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest683737

1509Domino RecognitionNEERC 2006 Eastern Subregional1063764

1765Error 404Ural Championship 2010743769

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533820

1616Square Country 4Ural Championship 2008903844

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest603885

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1033895

2131Open CupLater is better than never73933

1975Model of the EarthUral Championship 2013453974

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest363994

1778Chinese Hockey 2Ural SU Championship 2010654014

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1094016

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894070

1909Space ReconUral Championship 2012494088

1632LasersUSU Championship 2008794111

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest974114

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest564120

1661DodecahedronPetrozavodsk Winter 2008. USU Contest774130

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924165

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest604165

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest554191

1460WiresPetrozavodsk Winter 2006. USU Contest964196

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional474222

1799Sasha and swag strings284238

1834Tennis RacketUral Championship 2011564303

2079Memory leaksUral Championship 2016234349

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524394

1344Gigantic TurnipUSU Championship 2004974445

1733Forgotten TechnologyUSU Championship 2009644469

1598DSA Attack324480

1938Caribbean TriangleUral FU Championship 2012434510

2090Crossroads of DestinyUral FU Personal Contest 2014214551

1271Sailing DirectionsUSU Championship 2003924587

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest684607

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest694696

2086Find DenisUral Championship 2016204783

1594Aztec Treasure624785

1897Alice and Bob and a string84831

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection364832

1340CucarachaUSU Championship 2004884853

1365Testing CalculatorUral Championship 2005. Round 2884862

1967Programmer CasinoUral FU Personal Contest 2013354928

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest274966

1763Expert FleaUral Championship 2010525106

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest835139

1426RectanglesTimus Top Coders: First Challenge805162

1797Summit Online Judge. Version 2375164

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest755179

1973Location GeneratorUral Championship 2013325204

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest615226

1801The Revolution CupNEERC 2010 Eastern Subregional475250

2088Nostalgic EveningUral Championship 2016175271

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805311

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest565327

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest725368

2094Thousand ImpsUral FU Personal Contest 2014165426

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405449

2077ReductionsQualification of Eastern Subregional 2015175586

1771A Deputy's MorningUral Championship 2010465653

1363HalftonesUral Championship 2005. Round 2735740

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest225741

1372Death StarUral Championship 2005. Round 1735758

1999The secret moduleNEERC 2013 Eastern Subregional265894

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486162

1842Local RootsPetrozavodsk Summer 2010. USU Contest346192

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest476304

1668Death Star 2Petrozavodsk Winter 2008. USU Contest476304

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356478

2082PokerUral Championship 2016126503

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest476509

2076VasianaQualification of Eastern Subregional 2015136557

2054AstronomyUral Championship 2015166597

1906The Lost CivilizationUral Championship 2012266700

1653Death ConveyorNEERC 2008 Eastern Subregional446738

2016Magic and ScienceNEERC 2014 Eastern Subregional176899

1536Delights of Pipe-weedUSU Personal Contest 2007516942

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296972

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional426998

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377894

1432Twofold LuckUSU Personal Contest 2006468268

1840Victim of AdvertisingUral Championship 2011238607

1596Knight Mare198912

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308934

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349158

1415Mobile LifeUSU Championship 2005419337

1376Dean's Pyramid 2Ural Championship 2005. Round 1399753

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest399754

1399Economical Director3010742

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2210987

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1011113

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2211168

1374MisereUral Championship 2005. Round 13211378

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2511513

1708Sum of Digits 2Ural Championship 20091812486

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2412494

1369Cockroach RaceUral Championship 2005. Round 22613235

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2414058

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1916481

1548Sakura and StatisticsUral Championship 20071417436

1589SokobanNEERC 2007 Eastern Subregional921024

1394Ships. Version 21221727