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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem9172616

1068Sum3345538

1293EniyaSpring School Contest 20042867016

1001Reverse Root2790215

1409Two GangstersAutumn School Contest 20052738517

1025Democracy in DangerAutumn School Contest 20002038468

1264WorkdaysAutumn School Contest 20031986123

1785Lost in LocalizationUral Regional School Programming Contest 20101813516

1083Factorials!!!Spring School Contest 20011769669

1005Stone PileUSU Championship 19971596887

1197Lonesome KnightSpring School Contest 20021565529

1009K-based NumbersUSU Championship 19971472194

1014Product of DigitsUSU Local Contest. 19991398099

1020RopeAutumn School Contest 200013533102

1877Bicycle CodesUral Regional School Programming Contest 20111340219

1313Some Words about SportUral Championship 2004. Round 11276636

12091, 10, 100, 1000...Autumn School Contest 20021239637

1225FlagsNEERC 2002 Central Subregional1208838

1319HotelUral Championship 2004. Round 21160640

1044Lucky Tickets. Easy!USU Championship 200011413119

1787Turn for MEGAUral Regional School Programming Contest 20101133726

1079MaximumWinter Mathematical Festival Varna 200111176110

1086CryptographySpring School Contest 200111167109

1639Chocolate 2Autumn School Contest 20081095033

1820Ural SteaksUSU Personal Contest 20111075626

1263ElectionsAutumn School Contest 20031049144

2012About Grisha N.NEERC 2014 Eastern Subregional1047217

1082Gaby IvanushkaSpring School Contest 200110221119

1022Genealogical TreeAutumn School Contest 200010058137

1327FusesAutumn School Contest 2004981248

1567SMS-spamUSU Championship 2007980340

1100Final StandingsTetrahedron Team Online Contest May 2001974846

1021Sacrament of the SumAutumn School Contest 20009732142

1585PenguinsNEERC 2007 Eastern Subregional968740

1581TeamworkAutumn School Contest 2007952241

1026Questions and AnswersAutumn School Contest 20009385147

2001Mathematicians and BerriesUral Regional School Programming Contest 2013902622

1243Divorce of the Seven DwarfsUSU Personal Contest 2003898251

1349FarmSpring School Contest 2005895052

1017StaircasesUSU Local Contest. 19998911155

1493One Step from HappinessAutumn School Contest 2006879549

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011854130

1110PowerBulgarian Online Contest September 2001847453

1084Goat in the GardenSpring School Contest 20018297146

1073Square CountryUSU Personal Contest 20018230150

1496SpammerAutumn School Contest 2006809953

1012K-based Numbers. Version 28003173

1196History ExamSpring School Contest 2002792757

1545HieroglyphsUral Championship 2007788352

1607TaxiUSU Personal Contest 2008757850

1149Sinus Dances727162

1048Superlong SumsUSU Local Contest. March 20007084190

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional706833

1563BayanUSU Championship 2007681358

1023ButtonsAutumn School Contest 20006742205

1224SpiralNEERC 2002 Central Subregional673967

1457Heating MainTimus Top Coders: Second Challenge666167

1924Four ImpsUral Regional School Programming Contest 2012658035

1002Phone NumbersCentral European Olympiad in Informatics 19996382217

1636Penalty TimeUSU Championship 2008612858

1119MetroAutumn School Contest 2001607074

1033LabyrinthUral Championship 19995989230

1654Cipher MessageNEERC 2008 Eastern Subregional598559

1052Rabbit HuntUSU Local Contest. March 20005942227

1131CopyingUSU Championship 2001590876

1617Flat SpotsUral Championship 2008590764

1011ConductorsUSU Championship 19975886235

1290SabotageSpring School Contest 2004585579

1106Two TeamsTetrahedron Team Online Contest May 2001582576

1404Easy to Hack!Autumn School Contest 2005579581

1139City BlocksNEERC 2001 Central Subregional577277

1502Domino DotsNEERC 2006 Eastern Subregional574675

1049Brave BalloonistsUSU Local Contest. March 20005613240

1194HandshakesSpring School Contest 2002557581

1146Maximum SumDSAP Vietnam Online Contest November 2001552481

1297PalindromeSpring School Contest 2004549984

2066Simple ExpressionUral Regional School Programming Contest 2015546827

1723Sandro's BookUral Regional School Programming Contest 2009529361

1028StarsUral Championship 19995258261

1180Stone GameUSU Personal Contest 2002522386

1296HyperjumpSpring School Contest 2004518189

1203Scientific ConferenceUSU Local Contest. March 2002516787

1120Sum of Sequential NumbersAutumn School Contest 2001516086

1876Centipede's MorningUral Regional School Programming Contest 2011514551

1638BookwormUSU Championship 2008513870

1370MagicianUral Championship 2005. Round 2508792

1010Discrete FunctionUSTU PhysTech Cup 20005065273

1080Map ColoringWinter Mathematical Festival Varna 20015065242

2023Donald is a postmanNEERC 2014 Eastern Subregional498735

1446Sorting HatUral Championship 2006496891

1161StripiesNEERC 2001 Northern Subregional491391

1510OrderNEERC 2006 Eastern Subregional487788

1837Isenbaev's NumberUral Championship 2011481957

1018Binary Apple TreeUSU Local Contest. 19994798288

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001475893

1893A380NEERC 2011 Eastern Subregional475855

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014750258

1330IntervalsAutumn School Contest 2004468999

1036Lucky Tickets4649296

1991The battle near the swampNEERC 2013 Eastern Subregional461444

1881Long problem statementUral Regional School Programming Contest 2011459057

1024PermutationsAutumn School Contest 20004564302

1136ParliamentNEERC 2001 Central Subregional452099

1214Strange ProcedureAutumn School Contest 20024499101

1047Simple CalculationsUSU Local Contest. March 20004496299

1126Magnetic StormsUSU Championship 20014456100

1353Milliard Vasya's FunctionSpring School Contest 20054422106

1228ArrayNEERC 2002 Central Subregional4357104

1087The Time to Take StonesSpring School Contest 20014353279

1118Nontrivial NumbersAutumn School Contest 20014353102

1601AntiCAPSUSU Personal Contest 2008425989

1053PinocchioNEERC 2000 Central Subregional4221318

2100Wedding DinnerUral FU Junior Championship 2016419929

1712Cipher GrilleNEERC 2009 Eastern Subregional412778

1260Nudnik PhotographerAutumn School Contest 20034111112

1192Ball in a DreamSpring School Contest 20024103109

1226esreveR redrONEERC 2002 Central Subregional4097111

1008Image EncodingUSTU PhysTech Cup 20004028344

1032Find a MultipleUral Championship 19994020298

1219Symbolic SequenceUSU Championship 20023902116

1283DwarfUSU Personal Contest 20043863120

1336Problem of Ben BetsalelAutumn School Contest 20043849121

1792Hamming CodeUral Regional School Programming Contest 2010380976

16421D MazeAutumn School Contest 2008380294

1573AlchemyAutumn School Contest 20073796103

1123SalaryAutumn School Contest 20013736119

1925British Scientists Save the WorldUral Regional School Programming Contest 2012373462

1031Railway TicketsUral Championship 19993733368

1644A Whole Lot of WalnutsAutumn School Contest 2008373195

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023727121

1003ParityCentral European Olympiad in Informatics 19993637381

1039Anniversary PartyUSU Championship 20003632375

1007Code WordsUSU Championship 19973630381

1352Mersenne PrimesSpring School Contest 20053619129

1402CocktailsAutumn School Contest 20053583131

1060Flip GameNEERC 20003561357

1029MinistryUral Championship 19993536338

2056ScholarshipUral Championship 2015340447

1055CombinationsNEERC 2000 Central Subregional3378397

1582BookmakersNEERC 2007 Eastern Subregional3371116

1090In the Army NowUSU Local Contest. March 20013314347

1078SegmentsWinter Mathematical Festival Varna 20013304370

1731DillUral Regional School Programming Contest 2009327898

1167Bicolored HorsesRomanian Online Contest December 20013265137

1222Chernobyl’ EaglesUSU Championship 20023255139

1015Test the Difference!USU Local Contest. 19993246425

1306Sequence MedianUral Championship 19983199145

1354Palindrome. Again PalindromeSpring School Contest 20053188147

1935Tears of DrownedUral FU Championship 2012318372

1280Topological SortingNEERC 2003 Central Subregional3159146

1019Line PaintingUSU Local Contest. 19993156437

1178Akbardin’s RoadsUSU Personal Contest 20023095145

1210Kind SpiritsAutumn School Contest 20023079147

1295Crazy NotionsSpring School Contest 20043036152

2002Test TaskUral Regional School Programming Contest 2013302266

1142RelationsDSAP Vietnam Online Contest November 20013016148

1272Non-Yekaterinburg SubwayUSU Championship 20033014153

1038Spell CheckerUSU Championship 20003008452

1796Amusement ParkUral Regional School Programming Contest 2010294399

1786Sandro's BiographyUral Regional School Programming Contest 20102921100

1494MonobilliardsAutumn School Contest 20062800153

1572Yekaterinozavodsk Great WellAutumn School Contest 20072768142

1506Columns of NumbersNEERC 2006 Eastern Subregional2751156

1576Telephone TariffsAutumn School Contest 20072743143

1152False MirrorsUral Championship 2001. Round 22737163

1688Team.GOV!USU Personal Contest 20092730126

1051Simple Game on a GridUSU Local Contest. March 20002728492

1135RecruitsNEERC 2001 Central Subregional2724164

1157Young TilerUral Championship 2001. Round 22695166

1213Cockroaches!Autumn School Contest 20022686169

1413Mars JumperUSU Championship 20052677175

1683FridgeUSU Personal Contest 20092672129

1094E-screenUSU Local Contest. March 20012667431

1089Verification with a VocabularySpring School Contest 20012662455

1612Tram ForumUral Championship 20082640142

2035Another Dress RehearsalUral Regional School Programming Contest 2014264066

1045Funny GameUSU Local Contest. March 20002638510

1335White ThesisAutumn School Contest 20042633177

1586Threeprime NumbersNEERC 2007 Eastern Subregional2602150

1711Code NamesNEERC 2009 Eastern Subregional2595125

2005Taxi for ProgrammersUral Regional School Programming Contest 2013258878

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2579135

1102Strange DialogTetrahedron Team Online Contest May 20012575172

1423String TaleTimus Top Coders: First Challenge2573177

1072RoutingUSU Personal Contest 20012569480

1777AnindilyakwaUral SU Championship 20102568113

1056Computer NetNEERC 2000 Central Subregional2522531

1193Queue at the ExamSpring School Contest 20022520178

1134CardsNEERC 2001 Central Subregional2469181

1613For Fans of StatisticsUral Championship 20082464152

1004Sightseeing TripCentral European Olympiad in Informatics 19992458563

1725Sold Out!Ural Regional School Programming Contest 20092453131

1348Goat in the Garden 2Spring School Contest 20052452191

1133Fibonacci SequenceNEERC 2001 Central Subregional2428184

1067Disk TreeNEERC 20002427523

2031Overturned NumbersUral Regional School Programming Contest 2014242572

1114BoxesBulgarian Online Contest September 20012392186

1069Prufer CodeUSU Personal Contest 20012374520

1027D++ AgainAutumn School Contest 20002361583

2011Long StatementUral Regional School Programming Contest 2013234885

1066GarlandNEERC 20002332544

1902Neo-VeniceUral Championship 2012232999

1740Deer is Better!USU Championship 20092306139

1091Tmutarakan ExamsUSU Local Contest. March 20012296501

1138Integer PercentageNEERC 2001 Central Subregional2249198

1112CoverBulgarian Online Contest September 20012246198

1164FillwordNEERC 2001 Northern Subregional2241199

1242WerewolfUSU Personal Contest 20032219205

1709Penguin-AviaUral Championship 20092207154

1183Brackets SequenceNEERC 20012185205

1207Median on the PlaneUSU Local Contest. March 20022180206

1333Genie Bomber 2Autumn School Contest 20042152216

1355Bald Spot RevisitedSpring School Contest 20052152217

1490Fire CircleAutumn School Contest 20062150200

1249Ancient NecropolisUSU Local Contest. March 20032134213

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2134202

1208Legendary Teams ContestUSU Local Contest. March 20022130210

1640Circle of WinterAutumn School Contest 20082122167

1059ExpressionNEERC 2000 Central Subregional2120632

1303Minimal CoverageUral Championship 19982113219

1098Questions2093525

1095Nikifor 3USU Local Contest. March 20012084552

1064Binary SearchNEERC 20002074612

1061Buffer ManagerNEERC 20002065614

1054Hanoi TowerNEERC 2000 Central Subregional2054652

1071Nikifor 2USU Personal Contest 20012053601

2025Line FightingUral Regional School Programming Contest 2014205285

1085MeetingSpring School Contest 20012039593

1491Unreal StoryAutumn School Contest 20062012213

1515CashmasterTimus Top Coders: Third Challenge1985213

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101982147

1204IdempotentsUSU Local Contest. March 20021979226

1070Local TimeUSU Personal Contest 20011978623

1125HopscotchUSU Championship 20011973226

1685OrthographyUSU Personal Contest 20091966175

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1954240

1205By the Underground or by Foot?USU Local Contest. March 20021928232

1247Check a SequenceUSU Personal Contest 20031915237

1057Amount of DegreesNEERC 2000 Central Subregional1904703

1756One and a Half DiggersUSU Personal Contest 20101896163

1122GameAutumn School Contest 20011871238

1868Prediction ContestUral FU Championship 20111866139

1150Page NumbersUral Championship 2001. Round 21851241

1645Ski RaceAutumn School Contest 20081851192

1191Catch the thief!Spring School Contest 20021848242

1635Mnemonics and PalindromesUSU Championship 20081832194

1076Trash1824672

2018The Debut AlbumNEERC 2014 Eastern Subregional182396

1590Bacon’s CipherNEERC 2007 Eastern Subregional1817215

1108HeritageBulgarian Online Contest September 20011815245

1109ConferenceBulgarian Online Contest September 20011811245

1521War Games 2Timus Top Coders: Third Challenge1801234

1298KnightSpring School Contest 20041797257

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1796197

1200Horns and HoofsUSU Local Contest. March 20021793250

1034Queens in Peaceful PositionsUral Championship 19991790765

1037Memory ManagementUSU Championship 20001790758

1433DiamondsUSU Personal Contest 20061789254

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131789112

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1779147

1016Cube on the WalkUSU Local Contest. 19991777774

2033DevicesUral Regional School Programming Contest 2014177598

1195Ouths and CrossesSpring School Contest 20021760254

1821BiathlonUSU Personal Contest 20111757158

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091754184

2068Game of NutsUral Regional School Programming Contest 2015175285

1244GentlemenUSU Personal Contest 20031747260

1450Russian PipelinesTimus Top Coders: Second Challenge1737258

1113JeepBulgarian Online Contest September 20011717259

1088Ilya MurometzSpring School Contest 20011709707

1042Central HeatingUSU Championship 20001700798

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1699254

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031695268

1680The First NonqualifyingUSU Personal Contest 20091685204

1864Get-Together at Den'sUral FU Championship 20111679155

1096Get the Right Route Plate!USU Local Contest. March 20011669688

1769Old Ural LegendUral Championship 20101661184

1220StacksUSU Championship 20021654273

1160NetworkNEERC 2001 Northern Subregional1645275

1030TitanicUral Championship 19991641834

1117HierarchyAutumn School Contest 20011639271

1982Electrification PlanUral FU Championship 20131636123

1377Lara CroftUral Championship 2005. Round 11616290

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101614180

1501Sense of BeautyNEERC 2006 Eastern Subregional1603266

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1601259

1179Numbers in TextUSU Personal Contest 20021592281

1800Murphy's LawNEERC 2010 Eastern Subregional1565185

1931Excellent TeamUral FU Championship 20121557147

1346Intervals of MonotonicityUSU Championship 20041549301

1320Graph DecompositionUral Championship 2004. Round 21534301

1184Cable MasterNEERC 20011530292

1215Exactness of Projectile HitAutumn School Contest 20021515298

1603EruditeUSU Personal Contest 20081515249

1137Bus RoutesNEERC 2001 Central Subregional1514294

1006Square FramesUSU Championship 19971502918

1874Football GoalUral Regional School Programming Contest 20111502172

1153SupercomputerUral Championship 2001. Round 21500297

2000Grand Theft Array VUral Regional School Programming Contest 20131500133

1294Mars SatellitesSpring School Contest 20041495308

1789Searching for the DodecahedronUral Regional School Programming Contest 20101492194

1517Freedom of ChoiceTimus Top Coders: Third Challenge1488283

1658Sum of DigitsNEERC 2008 Eastern Subregional1479239

1190Bar of ChocolateSpring School Contest 20021476303

1537EntsUSU Personal Contest 20071474281

1227Rally ChampionshipNEERC 2002 Central Subregional1463309

1124MosaicUSU Championship 20011460304

1497Cutting a SquareAutumn School Contest 20061457294

1185WallNEERC 20011452308

1964Chinese DialectsUral FU Personal Contest 20131440146

1726VisitsUral Regional School Programming Contest 20091439223

1127Colored BricksUSU Championship 20011421313

1223Chernobyl’ Eagle on a RoofUSU Championship 20021415319

1604Country of FoolsUSU Personal Contest 20081410267

1878Rubinchik's CubeUral Regional School Programming Contest 20111397185

1211Collective GuaranteeAutumn School Contest 20021396323

1116Piecewise Constant FunctionAutumn School Contest 20011393319

1218Episode N-th: The Jedi TournamentUSU Championship 20021385326

1406Next NumberAutumn School Contest 20051384338

1737Mnemonics and Palindromes 3USU Championship 20091381232

1302Delta-waveUral Championship 19981378334

1040Airline CompanyUSU Championship 20001377984

1551Sumo TournamentUral Championship 20071367299

1282Game TreeNEERC 2003 Central Subregional1361337

1261TipsAutumn School Contest 20031356338

1156Two RoundsUral Championship 2001. Round 21341332

1246Tethered DogUSU Personal Contest 20031341338

1356Something EasierSpring School Contest 20051334349

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1334131

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1327312

1684Jack's Last WordUSU Personal Contest 20091323259

1121BranchesAutumn School Contest 20011314338

1885Passenger ComfortNEERC 2011 Eastern Subregional1305198

1930Ivan's CarUral Regional School Programming Contest 20121299176

1403CourierAutumn School Contest 20051288363

1431DiplomasUSU Personal Contest 20061282353

1201Which Day Is It?USU Local Contest. March 20021280349

1495One-two, One-two 2Autumn School Contest 20061260340

1292Mars Space StationsSpring School Contest 20041258366

1869New Year CruiseUral FU Championship 20111253207

1427SMSTimus Top Coders: First Challenge1246365

1176HyperchannelsUSU Personal Contest 20021242359

1795Husband in a ShopUral Regional School Programming Contest 20101241233

1588JamaicaNEERC 2007 Eastern Subregional1240314

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1235253

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1231319

1287Mars CanalsUSU Personal Contest 20041226375

1407One-two, One-twoAutumn School Contest 20051222383

1141RSA Attack1218365

1262Pseudo-Roman NumberAutumn School Contest 20031215376

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1214189

1140Swamp IncidentNEERC 2001 Central Subregional1206368

1350CanteenSpring School Contest 20051192391

1289One Way TicketUSU Personal Contest 20041185388

1741Communication FiendUSU Championship 20091182271

1410CrackUSU Championship 20051181395

1259How to Become Star?Autumn School Contest 20031178388

1984Dummy GuyUral FU Championship 20131169172

1229Strong BrickworkNEERC 2002 Central Subregional1168386

1483Table FootballUSU Championship 20061161369

1718RejudgeNEERC 2009 Eastern Subregional1153279

1291Gear-wheelsSpring School Contest 20041151399

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1151174

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011149387

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1140201

1401GamersAutumn School Contest 20051131413

1155TroubleduonsUral Championship 2001. Round 21130393

1416ConfidentialUSU Championship 20051124414

1111SquaresBulgarian Online Contest September 20011123394

1252Sorting the TombstonesUSU Local Contest. March 20031123404

1944Record of the Attack at the OrbitUral FU Personal Contest 20121123199

1217Unlucky TicketsUSU Championship 20021111406

1513Lemon TaleTimus Top Coders: Third Challenge1110379

1077Travelling Tours1101402

1258PoolAutumn School Contest 20031095417

1574Mathematicians and bracketsAutumn School Contest 20071092357

1279WarehouseNEERC 2003 Central Subregional1091419

1162Currency ExchangeNEERC 2001 Northern Subregional1089408

1489Points on a ParallelepipedAutumn School Contest 20061087393

1115ShipsBulgarian Online Contest September 20011081410

1987Nested SegmentsUral FU Championship 20131080186

1221Malevich Strikes Back!USU Championship 20021077418

1322SpyUral Championship 2004. Round 21074428

1326Bottle TapsUral Championship 2004. Round 21073429

1343Fairy TaleUSU Championship 20041071434

1128Partition into GroupsUSU Championship 20011065416

1107Warehouse ProblemTetrahedron Team Online Contest May 20011057417

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1049298

1316Electronic AuctionUral Championship 2004. Round 11048439

1035Cross-stitchUral Championship 199910361314

1238FoldingNEERC 20021036436

1181Cutting a Painted PolygonUSU Personal Contest 20021025435

1414Astronomical DatabaseUSU Championship 20051024454

1651Shortest SubchainNEERC 2008 Eastern Subregional1015347

1753BookshelfUSU Personal Contest 20101012304

1826MinefieldUSU Personal Contest 2011995277

1329Galactic HistoryAutumn School Contest 2004992466

1507Difficult DecisionNEERC 2006 Eastern Subregional992429

1202Rectangles TravelUSU Local Contest. March 2002991450

1648YachtsAutumn School Contest 2008986358

1129Door PaintingUSU Championship 2001985450

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest985317

1050Preparing an ArticleUSU Local Contest. March 20009841357

1362Classmates 2Ural Championship 2005. Round 2980475

1430Crime and PunishmentTimus Top Coders: First Challenge979463

1439Battle with You-Know-WhoUral Championship 2006976460

1519Formula 1Timus Top Coders: Third Challenge976430

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest974349

1779The Great TeamUral SU Championship 2010967299

1273TieUSU Championship 2003964474

1562GM-pineappleUSU Championship 2007959407

1480CouponsUSU Championship 2006957447

2102Michael and CryptographyUral FU Junior Championship 2016956126

1889Airport AnnouncementsNEERC 2011 Eastern Subregional952270

1428Jedi RiddleTimus Top Coders: First Challenge930487

1628White StreaksUSU Championship 2008909390

1571InterpretersUSU Championship 2007908429

1065FrontierNEERC 20009061392

1013K-based Numbers. Version 3905196

1189Pairs of IntegersNEERC 2001905492

1823Ideal GasUSU Personal Contest 2011899307

1236Decoding TaskNEERC 2002892505

2111PlatoUniversity academic school olympiad in informatics 201989269

1099Work Scheduling8911160

1212BattleshipAutumn School Contest 2002891504

1198Jobbery890524

1158Censored!NEERC 2001 Northern Subregional882503

1366PresentsUral Championship 2005. Round 2881528

1437Gasoline StationUSU Personal Contest 2006881512

1525PathPetrozavodsk Winter 2007. D.Gozman Contest878470

1334CheckersAutumn School Contest 2004877527

1182Team Them Up!NEERC 2001876508

1103Pencils and CirclesTetrahedron Team Online Contest May 2001874503

1602ElevatorUSU Personal Contest 2008874429

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005867535

1043Cover an ArcUSU Championship 20008591570

2069Hard RockUral Regional School Programming Contest 2015859172

1465Pawn GamePetrozavodsk Winter 2006. USU Contest858505

1535The Hobbit or There and Back AgainUSU Personal Contest 2007855481

1400Cellular CharactersAutumn School Contest 2005851548

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015851173

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest843412

1375Bill CleversUral Championship 2005. Round 1838556

1922Superhero TeamUral Regional School Programming Contest 2012838272

1421Credit OperationsTimus Top Coders: First Challenge828547

1793Tray 2Ural Regional School Programming Contest 2010828348

1358CablesSpring School Contest 2005826562

1650BillionairesNEERC 2008 Eastern Subregional825426

1325DirtUral Championship 2004. Round 2822558

1371Cargo AgencyUral Championship 2005. Round 1821567

2073Log FilesUral Regional School Programming Contest 2015821180

1577E-mailAutumn School Contest 2007817476

1097Square Country 2USU Local Contest. March 20018121405

1631Drunk King 2USU Championship 2008812436

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional802358

1172Ship RoutesRomanian Online Contest December 2001793559

1579Coat TransportationAutumn School Contest 2007792491

1101Robot in the FieldTetrahedron Team Online Contest May 2001788557

1448Lighting in HogwartsUral Championship 2006782572

1143Electric PathDSAP Vietnam Online Contest November 2001774571

1643Attack of the Dark FortressAutumn School Contest 2008771457

1873GOV ChroniclesUral Regional School Programming Contest 2011767336

1445Christmas giftsUral Championship 2006766584

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest765608

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional755230

2070Interesting NumbersUral Regional School Programming Contest 2015749197

1641DutiesAutumn School Contest 2008748471

1732Ministry of TruthUSU Championship 2009743428

1700AwakeningUral Championship 2009741455

1132Square Root738599

1534Football in GondorUSU Personal Contest 2007736558

1309DisputeUral Championship 2004. Round 1735623

1332Genie BomberAutumn School Contest 2004733629

1046Geometrical DreamsUSU Local Contest. March 20007301822

1314Chase in SubwayUral Championship 2004. Round 1729628

1759Long-LiversUSU Personal Contest 2010729421

1934Black SpotUral FU Championship 2012722314

1452Pascal vs. C++Timus Top Coders: Second Challenge716620

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional715243

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012709321

1062TriathlonNEERC 20006981800

1254Die HardUSU Local Contest. March 2003694650

1248Sequence SumUSU Personal Contest 2003693650

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest688627

1783Nuclear Arms RaceUral SU Championship 2010682423

1989SubpalindromesUral FU Championship 2013680294

1600AirportUSU Personal Contest 2008678552

1776Anniversary FireworkUral SU Championship 2010676426

1443RailsUral Championship 2006675662

1550Dean's Pyramid 3Ural Championship 2007673602

2034CaravansUral Regional School Programming Contest 2014673257

1234BricksNEERC 2002672668

1286Starship TravelUSU Personal Contest 2004672680

1500Pass LicensesNEERC 2006 Eastern Subregional669633

2003Simple MagicUral Regional School Programming Contest 2013663299

1253NecrologuesUSU Local Contest. March 2003662681

1379Cups TransportationUral Championship 2005. Round 1662702

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest661392

1274Fractional ArithmeticNEERC 2003 Central Subregional660689

1998The old PadawanNEERC 2013 Eastern Subregional660302

1828Approximation by a ProgressionUSU Personal Contest 2011658417

1592Chinese WatchesNEERC 2007 Eastern Subregional657588

1405Goat in the Garden 5Autumn School Contest 2005653711

1933Guns for Battle!Ural FU Championship 2012653346

2091Natural SelectionUral FU Personal Contest 2014649198

1774Barber of the Army of MagesUral SU Championship 2010647445

1174Weird PermutationsRomanian Online Contest December 2001646684

1186Chemical ReactionsNEERC 2001646686

1728Curse on Team.GOVUral Regional School Programming Contest 2009646494

1440Training ScheduleUral Championship 2006645692

1305Convex HullUral Championship 1998643711

2024Adventure TimeUral Regional School Programming Contest 2014641269

1041NikiforUSU Championship 20006402100

1605Devil's SequenceUSU Personal Contest 2008640584

1542AutocompletionUral Championship 2007633640

1250Sea BurialUSU Local Contest. March 2003631713

1484Film RatingUSU Championship 2006628677

1682Crazy ProfessorUSU Personal Contest 2009622546

1301Cube in LabyrinthUral Championship 1998617740

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest616632

1168Radio StationsRomanian Online Contest December 2001614719

1424MinibusTimus Top Coders: First Challenge614734

2065Different SumsUral Regional School Programming Contest 2015614239

1392Dreaming of Stars613757

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional611419

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest610424

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest609700

1169PairsRomanian Online Contest December 2001608726

1230Introspective ProgramNEERC 2002 Central Subregional607737

1159FenceNEERC 2001 Northern Subregional606728

1268Little ChuUSU Championship 2003602754

1941Scary Martian WordUral FU Personal Contest 2012599370

1074Very Short ProblemUSU Personal Contest 20015972041

1093DartsUSU Local Contest. March 20015921919

1235Cricket FieldNEERC 2002591758

1063Domino PuzzleNEERC 20005892126

1075Thread in a SpaceUSU Personal Contest 20015882072

1342EnterpriseUSU Championship 2004586787

1992CVSNEERC 2013 Eastern Subregional586340

1456Jedi Riddle 2Timus Top Coders: Second Challenge585757

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional582548

2095ScrumUral FU Personal Contest 2014581221

2067Friends and BerriesUral Regional School Programming Contest 2015580253

1564Counting OnesUSU Championship 2007579669

1276TrainNEERC 2003 Central Subregional578785

1277Cops and ThievesNEERC 2003 Central Subregional578785

1486Equal SquaresUSU Championship 2006574740

1890Money out of Thin AirNEERC 2011 Eastern Subregional574445

1904The Lessons of the PastUral Championship 2012572398

1659Regular TrianglesNEERC 2008 Eastern Subregional571613

1981Parallel and PerpendicularUral FU Championship 2013567352

1698Square Country 5Petrozavodsk Winter 2009. USU Contest566597

1323ClassmatesUral Championship 2004. Round 2558818

1710Boris, You Are Wrong!Ural Championship 2009557603

1690Army of MagesPetrozavodsk Winter 2009. USU Contest553610

1701Ostap and PartnersUral Championship 2009551609

1729Dead Man's ChestUral Regional School Programming Contest 2009551577

1147Shaping RegionsDSAP Vietnam Online Contest November 2001548803

1713Key SubstringsNEERC 2009 Eastern Subregional548581

1706Cipher Message 2Ural Championship 2009542619

1373Pictura ex MachinaUral Championship 2005. Round 1541856

1606SlalomUSU Personal Contest 2008541689

1806Mobile TelegraphsNEERC 2010 Eastern Subregional539529

2098Lada PrioraUral FU Personal Contest 2014539238

2105Alice and Bob are on BikesUral FU Junior Championship 2016538221

1436BillboardUSU Personal Contest 2006534839

1269Obscene Words FilterUSU Championship 2003532851

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional531537

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest530673

1105Observers ColoringTetrahedron Team Online Contest May 2001528826

1611DecimationUral Championship 2008525704

1901Space ElevatorsUral Championship 2012522436

1754Explosion in a PyramidUSU Personal Contest 2010520586

1444ElephpotamusUral Championship 2006518858

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest511832

1512ZiniumTimus Top Coders: Third Challenge511815

1422FirefliesTimus Top Coders: First Challenge507886

1092TransversalUSU Local Contest. March 20015042247

1418Military StoryUSU Championship 2005503916

1339BabiesUSU Championship 2004499922

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest499860

1154Mages ContestUral Championship 2001. Round 2498883

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009497639

1923Scary PoliticsUral Regional School Programming Contest 2012497455

1165SubnumberNEERC 2001 Northern Subregional496886

1498Stroke at Full SpeedAutumn School Contest 2006494856

1760Infernal WorkUSU Personal Contest 2010494617

1547Password SearchUral Championship 2007491821

1633HippogriffsUSU Championship 2008488719

1587Flying PigNEERC 2007 Eastern Subregional487789

1245PicturesUSU Personal Contest 2003482929

2021Scarily interesting!NEERC 2014 Eastern Subregional479361

1324Extra SpacesUral Championship 2004. Round 2478952

1364LaraKillerUral Championship 2005. Round 2475969

1963KiteUral FU Personal Contest 2013475438

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection474440

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest472821

1900Brainwashing DeviceUral Championship 2012471482

1233Amusing NumbersNEERC 2002470949

1237Evacuation PlanNEERC 2002467956

1614National Project “Trams”Ural Championship 2008467790

1593Square Country. Version 2466729

1871Seismic WavesUral FU Championship 2011464551

1398Bishop and Pawn463894

1175Strange SequenceUSU Personal Contest 2002462953

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest462885

2062Ambitious ExperimentUral Regional School Programming Contest 2015461317

1058ChocolateNEERC 2000 Central Subregional4592863

1331VladislavaAutumn School Contest 2004459996

1435Financial ErrorUSU Personal Contest 2006456979

1767The House of Doctor DeeUral Championship 2010456661

1278“… Connecting People”NEERC 2003 Central Subregional453997

1629TripUSU Championship 2008449780

1647Divide an Island!Autumn School Contest 2008447781

1130Nikifor's WalkUSU Championship 2001446981

1451Beerhouse TaleTimus Top Coders: Second Challenge443994

1580Dean's DebtsAutumn School Contest 2007437880

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional436454

1803The Czechs' RiflesNEERC 2010 Eastern Subregional435653

1822Hugo II's WarUSU Personal Contest 2011433629

1870Zinium 2Ural FU Championship 2011433590

1772Ski-Trails for RobotsUral Championship 2010432697

1434Buses in VasyukiUSU Personal Contest 20064281042

1646Godzilla Strikes Back!Autumn School Contest 2008428814

1546Japanese SortingUral Championship 2007427941

1578Mammoth HuntAutumn School Contest 2007427900

1447Portkey NetworkUral Championship 20064261039

2138The Good, the Bad and the UglyUral School Programming Contest 2019426115

1891Language OceanNEERC 2011 Eastern Subregional424599

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4221014

1884Way to the UniversityUral Regional School Programming Contest 2011421605

1575Yekaterinburg Subway 2Autumn School Contest 2007418919

1151RadiobeaconsUral Championship 2001. Round 24171050

1173Lazy SnailRomanian Online Contest December 20014151055

1317HailUral Championship 2004. Round 24151093

2104Game with a StripUral FU Junior Championship 2016415285

1716Alternative SolutionNEERC 2009 Eastern Subregional413767

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014411416

1341DeviceUSU Championship 20044061128

1838Samurai's StrokeUral Championship 2011406662

1995Illegal spicesNEERC 2013 Eastern Subregional404489

2030Awesome Backup SystemUral Regional School Programming Contest 2014404423

1755CakeUSU Personal Contest 2010401756

1942Attack at the OrbitUral FU Personal Contest 2012400549

1773Metro to Every HomeUral Championship 2010399754

2046The First Day at SchoolUral Championship 2015398396

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3961161

1689Fisherman and BarbellUSU Personal Contest 2009395852

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest392984

1408Polynomial MultiplicationAutumn School Contest 20053901179

1705Gangster HaresUral Championship 2009390854

2047MathsUral Championship 2015390403

1518Jedi Riddle 3Timus Top Coders: Third Challenge3861072

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3851097

1357Teakettle 1.0 for DummiesSpring School Contest 20053841192

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest384872

2078Bowling gameUral Championship 2016384338

1393Average Common Prefix3831188

1539Intelligence DataUSU Personal Contest 20073801068

1866Poetic FootUral FU Championship 2011380670

1591Abstract ThinkingNEERC 2007 Eastern Subregional3781011

1569Networking the “Iset”USU Championship 20073751024

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional375601

1533Fat HobbitsUSU Personal Contest 20073741084

1608Lucky Tickets 2008Ural Championship 2008373984

1441From the History of Gringotts BankUral Championship 20063721186

1570Eating HighUSU Championship 20073721032

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional372461

1359ConstructionSpring School Contest 20053691239

1310ACM DiagnosticsUral Championship 2004. Round 13671232

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3671149

1540Battle for the RingUSU Personal Contest 20073671105

2063Black and WhiteUral Regional School Programming Contest 2015367396

1630TalismanUSU Championship 2008366952

1872Spacious OfficeUral FU Championship 2011364699

2142MagicUral School Programming Contest 2019364134

2026Dean and ScheduleUral Regional School Programming Contest 2014362471

1458War GamesTimus Top Coders: Second Challenge3611213

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest361468

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest359985

2115The Knowledge DayUniversity academic school olympiad in informatics 2019358170

1453QueenTimus Top Coders: Second Challenge3561230

1971Graphics SettingsUral Championship 2013356571

1738Computer SecurityUSU Championship 2009353888

1307ArchiverUral Championship 2004. Round 13521283

1980Road to InvestorUral Championship 2013351579

1419Maps of the Island WorldsUSU Championship 20053501305

1780Gray CodeUral SU Championship 2010349815

1511Fiscal OperationsTimus Top Coders: Third Challenge3471189

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3461230

1720Summit Online JudgeNEERC 2009 Eastern Subregional346911

1775Space BowlingUral SU Championship 2010345824

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest343893

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest342895

1360Philosophical DisputeUral Championship 2005. Round 23411339

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest340999

1928Another Ecology ProblemUral Regional School Programming Contest 2012340659

2108Oleg and Little PoniesUral FU Junior Championship 2016336351

1321Floor IndicatorUral Championship 2004. Round 23351346

2149Pigeonhole PrincipleUral School Programming Contest 2019335145

1825Ifrit Bomber 2USU Personal Contest 2011334810

1544Classmates 3Ural Championship 20073331199

1328FireballAutumn School Contest 20043321366

1177Like ComparisonsUSU Personal Contest 20023311319

1892Morning in KoltsovoNEERC 2011 Eastern Subregional331763

1171Lost in SpaceRomanian Online Contest December 20013301319

1347BlogSpring School Contest 20053291385

1487Chinese FootballUSU Championship 20063281278

1627JoinPetrozavodsk Winter 2008. ITMO Contest3271078

1715Another Ball KillerNEERC 2009 Eastern Subregional327963

1966Cycling RoadsUral FU Personal Contest 2013327630

1345HTMLUSU Championship 20043261396

1538Towers of GuardUSU Personal Contest 20073241247

1830Help in the RNOSUral Championship 2011324824

1832Arirang ShowUral Championship 2011324824

1281River BasinNEERC 2003 Central Subregional3191403

1318LogarithmUral Championship 2004. Round 23191411

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3161054

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional316892

2004Scientists from SpilkovoUral Regional School Programming Contest 2013315620

1311Stable ConstructionUral Championship 2004. Round 13141433

1939First SealUral FU Championship 2012311716

1240Heroes of Might and MagicNEERC 20023101423

1940Not So Simple YearsUral FU Championship 2012308722

1378Artificial IntelligenceUral Championship 2005. Round 13051497

1266Kirchhoff's LawUSU Championship 20033041469

1299PsyloniansSpring School Contest 20043041477

1449Credit Operations 2Timus Top Coders: Second Challenge3011448

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014301564

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001265

1761Binary PalindromeUSU Personal Contest 20103001002

1412Autumn TideUSU Championship 20052991521

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2991352

1265MirrorUSU Championship 20032981498

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2981356

1962In Chinese RestaurantUral FU Personal Contest 2013298689

1730ManBearPigUral Regional School Programming Contest 20092951062

1875Angry BirdsUral Regional School Programming Contest 2011294858

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2931379

2109Tourism on MarsUral FU Junior Championship 2016292402

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2911567

1170DesertRomanian Online Contest December 20012901495

1499KerchiefsAutumn School Contest 20062901437

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2901319

1943Space RummyUral FU Personal Contest 2012290751

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2881454

1595Perfect Sequence2881128

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest288949

1903Unidentified ShipsUral Championship 2012288778

2071Juice CocktailsUral Regional School Programming Contest 2015287503

1337BureaucracyAutumn School Contest 20042851584

1687Numismatics for FunUSU Personal Contest 20092841173

1251Cemetery ManagerUSU Local Contest. March 20032801577

2009Canteen LineUral Regional School Programming Contest 2013280695

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional278803

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest276920

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2741238

1961Cantonese DialectUral FU Personal Contest 2013272753

1824Ifrit BomberUSU Personal Contest 2011269999

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014269628

1736Chinese HockeyUSU Championship 20092671164

1768Circular StringsUral Championship 20102671113

1932The Secret of IdentifierUral FU Championship 2012267829

1420Integer-Valued Complex DivisionUSU Championship 20052651709

1488ACM PokerUSU Championship 20062641576

1241Inlay CuttersNEERC 20022621676

2060Subpalindrome pairsPalindromic Contest 262575

1669Universal WordPetrozavodsk Winter 2008. USU Contest2591307

1863Peaceful AtomUral FU Championship 2011259971

1257HyphenationAutumn School Contest 20032581721

1836Babel FishUral Championship 20112581027

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2551189

1722Observation DeckUral Regional School Programming Contest 20092541227

1338AutomobilesUSU Championship 20042531784

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2531793

1827Indigenous WarsUSU Personal Contest 20112531060

1285Thread in a HyperspaceUSU Personal Contest 20042521769

1485Football and LieUSU Championship 20062521649

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012251884

1425Queen 2Timus Top Coders: First Challenge2501762

1784RoundersUral SU Championship 20102501125

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional250890

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014247682

1148Building TowersDSAP Vietnam Online Contest November 20012451757

1657Cube SnakeNEERC 2008 Eastern Subregional2421413

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411712

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2411447

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2401752

1686Photovoltaic SpaceshipUSU Personal Contest 20092391385

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2391265

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest239698

1568Train Car SortingUSU Championship 20072381590

1417Space Poker 2USU Championship 20052371902

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012361821

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2351427

2081Faulty dialUral Championship 2016235543

1397Points Game2341776

2099Space InvaderUral FU Personal Contest 2014233537

1883Ent's BirthdayUral Regional School Programming Contest 20112321077

1990PodracingNEERC 2013 Eastern Subregional232837

1790Searching for the TruthUral Regional School Programming Contest 20102311211

1304ParallelepipedUral Championship 19982301934

1503PolynomialNEERC 2006 Eastern Subregional2281805

1766Humpty DumptyUral Championship 20102271300

1927Herbs and MagicUral Regional School Programming Contest 2012227974

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection226901

1267Yekaterinburg SubwayUSU Championship 20032241972

1315MDPAR and MIIARUral Championship 2004. Round 12241984

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2241387

1862Very Wealthy MoleUral FU Championship 20112231121

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2231116

1994The Emperor's planNEERC 2013 Eastern Subregional223869

1516NostalgiaTimus Top Coders: Third Challenge2221830

1565The Duel for ThreeUSU Championship 20072221699

2048HistoryUral Championship 2015222696

2008SwiftyUral Regional School Programming Contest 2013221872

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional221763

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201720

1514National ParkTimus Top Coders: Third Challenge2191854

1163ChapaevNEERC 2001 Northern Subregional2181967

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102171286

1905Travel in TimeUral Championship 20122171022

1936RoshamboUral FU Championship 20122171012

1216Two Pawns and One KingUSU Championship 20022132039

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2131179

1396Maximum. Version 22122019

1455Freedom of SpeechTimus Top Coders: Second Challenge2122028

1492Vasya's Dad 2Autumn School Contest 20062121942

1187Statistical TroubleNEERC 20012102046

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2101589

2080WalletUral Championship 2016209607

1583CheeseNEERC 2007 Eastern Subregional2071807

1974Similar TunesUral Championship 2013207963

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2051943

1807Cartridges for MaximNEERC 2010 Eastern Subregional2051352

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2031328

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2022145

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2011246

1986Paul’s SaladsUral FU Championship 2013201962

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002238

1988Planet Ocean LandingUral FU Championship 2013200967

1188LibraryNEERC 20011992154

1288AstrolocationUSU Personal Contest 20041992218

1532Lost in TranslationUSU Personal Contest 20071991992

1921Chaos and OrderUral Regional School Programming Contest 20121981110

1937Davy Jones’s OrganUral FU Championship 20121971110

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1941545

1879GOV-internship 2Ural Regional School Programming Contest 20111941278

1948The Robot on the LineUral FU Personal Contest 20121941104

1907Coffee and BunsUral Championship 20121931142

1610CactusesUral Championship 20081921865

1762Search for a Hiding-PlaceUSU Personal Contest 20101921538

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1911739

1970皇后像廣場Ural FU Personal Contest 20131911056

2064CaterpillarsUral Regional School Programming Contest 2015191743

2141Sasha VilkinUral School Programming Contest 2019191249

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1901747

1965Pear TreesUral FU Personal Contest 20131901061

1541ChaseUSU Personal Contest 20071892092

1670AsteriskPetrozavodsk Summer 2008. USU Contest1891756

1996Cipher Message 3NEERC 2013 Eastern Subregional1891018

1615Tram SolitaireUral Championship 20081881903

1256Cemetery GuardUSU Local Contest. March 20031872321

1284Space PokerUSU Personal Contest 20041862365

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1861443

1232Asteroid LandingNEERC 2002 Central Subregional1832357

1368Goat in the Garden 3Ural Championship 2005. Round 21832435

1770The Party of Ural ChampionsUral Championship 20101821605

2074Timus problems classifierQualification of Eastern Subregional 2015182731

2113Survive the floodUniversity academic school olympiad in informatics 2019181328

1270UnicubeUSU Championship 20031802428

2144Cleaning the RoomUral School Programming Contest 2019180263

1703Robotic ArmUral Championship 20091791808

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1781402

1707Hypnotoad's SecretUral Championship 20091771827

1543Dance RevolutionUral Championship 20071762211

1764TranssibUral Championship 20101761657

1949The Best Picture in the GalaxyUral FU Personal Contest 20121761211

1976Game OptimizationUral Championship 20131751130

1481Winning ChancesUSU Championship 20061742347

1504Good MannersNEERC 2006 Eastern Subregional1742335

1549Another Japanese PuzzleUral Championship 20071722260

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1721931

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1701953

2089Experienced coachUral Championship 2016169743

1454Rectangles 2Timus Top Coders: Second Challenge1662558

1655Somali PiratesNEERC 2008 Eastern Subregional1652035

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest165993

1395Pascal vs. C++. Version 21622614

1429BiscuitsTimus Top Coders: First Challenge1622663

1979Resources DistributionUral Championship 20131621215

1275Knights of the Round TableNEERC 2003 Central Subregional1612700

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1611538

1300TaxesUral Championship 19981602730

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601710

1702CrossroadUral Championship 20091592022

1520Empire Strikes BackTimus Top Coders: Third Challenge1582527

1634Spider MiteUSU Championship 20081582131

1308Dean's PyramidUral Championship 2004. Round 11562797

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1551910

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1551910

1734Endgame DatabaseUSU Championship 20091531978

2145Olympiad for EveryoneUral School Programming Contest 2019152309

1312TrayUral Championship 2004. Round 11512884

2017Best of a bad lotNEERC 2014 Eastern Subregional1501102

1802Cube PuzzleNEERC 2010 Eastern Subregional1481840

2106DeserializationUral FU Junior Championship 2016146778

1782Jack's New WordUral SU Championship 20101451887

1947MeanderUral FU Personal Contest 20121451453

141140 Islands KnightsUSU Championship 20051443051

1464LightPetrozavodsk Winter 2006. USU Contest1442844

1968Glass PyramidUral FU Personal Contest 20131441378

1239Ghost BustersNEERC 20021432977

1367Top SecretUral Championship 2005. Round 21423092

1983Nectar GatheringUral FU Championship 20131411345

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1401885

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1391746

1438Time Limit ExceededUSU Personal Contest 20061383084

1739FaryuksUSU Championship 20091382179

1757Gold BarsUSU Personal Contest 20101382100

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381563

2110Remove or MaximizeUral FU Junior Championship 2016138820

1442Floo PowderUral Championship 20061363104

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1352988

1896War Games 2.1134942

1946Chinese Hockey 3Ural FU Personal Contest 20121341564

1505Oil TransferNEERC 2006 Eastern Subregional1333005

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1332767

1886Trip 2NEERC 2011 Eastern Subregional1331819

2092BoleroUral FU Personal Contest 2014132919

1652Banking CrisisNEERC 2008 Eastern Subregional1312525

1482Triangle GameUSU Championship 20061293107

1609Tram TileUral Championship 20081292711

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1283174

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019128454

1781Clean CodeUral SU Championship 20101272135

1831Tsyfirkin's LessonUral Championship 20111262024

1717Eligibility RulesNEERC 2009 Eastern Subregional1252403

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1243519

1566Triangular PostcardsUSU Championship 20071242942

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1241588

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1231306

2052Physical EducationUral Championship 20151231213

2059Not common palindromesPalindromic Contest 1231176

2007Mutants versus MachinesUral Regional School Programming Contest 20131201550

1166Funny Card GameNEERC 2001 Northern Subregional1193575

1841CablewaysPetrozavodsk Summer 2010. USU Contest1192043

1985Prime SquareUral FU Championship 20131191574

1950Martian FarmlandsUral FU Personal Contest 20121181760

1908Brute-force SearchUral Championship 20121171826

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1171822

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1162789

2055Urban GeographyUral Championship 20151141301

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1132299

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1112840

1839The MentaculusUral Championship 20111102294

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1102196

2112Battle logUniversity academic school olympiad in informatics 2019108531

1637Triangle Game 2USU Championship 20081073060

1758Bald Spot Revisited 2USU Personal Contest 20101072656

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1064065

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1062962

1704DemodulationUral Championship 20091062946

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1062267

2103Corporate MailUral FU Junior Championship 20161061046

1735Theft of the CenturyUSU Championship 20091052804

1833Hopes of RowingUral Championship 20111052393

1867NanotechnologiesUral FU Championship 20111052272

1509Domino RecognitionNEERC 2006 Eastern Subregional1043769

1895Steaks on BoardNEERC 2011 Eastern Subregional1042282

1199Mouse1033741

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032871

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1013273

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013096

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1012548

2148Insane ShotUral School Programming Contest 2019101451

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003939

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003303

2116He is not a knight for youUniversity academic school olympiad in informatics 2019100569

1460WiresPetrozavodsk Winter 2006. USU Contest954171

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest954127

1344Gigantic TurnipUSU Championship 2004944511

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014941255

1850Space TourismPetrozavodsk Summer 2010. USU Contest932558

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924096

1681Brother Bear's GardenUSU Personal Contest 2009923382

2058100500 palidnromesPalindromic Contest 921533

1882Old NokiaUral Regional School Programming Contest 2011912581

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection902127

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest893996

1616Square Country 4Ural Championship 2008893806

1835Swamp DoctorUral Championship 2011892780

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection882171

1271Sailing DirectionsUSU Championship 2003874757

1340CucarachaUSU Championship 2004874837

1365Testing CalculatorUral Championship 2005. Round 2874846

2146Quiz ShowUral School Programming Contest 201987516

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest862946

1829Routing TablesUSU Personal Contest 2011852934

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833388

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest831868

1977Energy WallUral Championship 2013812296

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest805240

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805240

2085Magic ProgrammerUral Championship 2016801478

1632LasersUSU Championship 2008794023

1969Hong Kong TramUral FU Personal Contest 2013792384

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest79678

1426RectanglesTimus Top Coders: First Challenge785204

1865The Island of MärketUral FU Championship 2011782969

2114My craftUniversity academic school olympiad in informatics 201976728

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest745158

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744184

1372Death StarUral Championship 2005. Round 1735680

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732787

1765Error 404Ural Championship 2010723758

2130Alice + BobLater is better than never72676

1363HalftonesUral Championship 2005. Round 2715803

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715349

1945Many-armed BrothersUral FU Personal Contest 2012692852

1978E-LiteUral Championship 2013692645

2101Knight's ShieldUral FU Junior Championship 2016691535

2107Oppa Funcan StyleUral FU Junior Championship 2016691535

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684658

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest682227

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673416

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672256

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664625

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest663721

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection662799

1972Game TestingUral Championship 2013662750

2143Victoria!Ural School Programming Contest 201966658

1733Forgotten TechnologyUSU Championship 2009644358

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643561

2097Snowboarding on SpilnayaUral FU Personal Contest 2014641764

1778Chinese Hockey 2Ural SU Championship 2010634006

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605190

1594Aztec Treasure594877

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest594099

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest593812

2128Rubina's SolitaireLater is better than never59803

1597Chernobyl’ Eagle on a Roof. Version 2582649

20503D-modelingUral Championship 2015572408

2135Pauline and commitsLater is better than never57827

1834Tennis RacketUral Championship 2011564170

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection563223

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest545369

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest544117

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533672

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524250

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523431

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523431

1536Delights of Pipe-weedUSU Personal Contest 2007516826

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest494458

2006Kirill the GardenerUral Regional School Programming Contest 2013493415

2022Riding a ToadNEERC 2014 Eastern Subregional492988

1599Winding Number482603

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486026

1909Space ReconUral Championship 2012483998

2049ChemistryUral Championship 2015482782

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest481041

2140BitMazeCraftUral School Programming Contest 201947877

1432Twofold LuckUSU Personal Contest 2006468150

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466487

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466276

1763Expert FleaUral Championship 2010465503

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464131

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest456390

1771A Deputy's MorningUral Championship 2010455603

1801The Revolution CupNEERC 2010 Eastern Subregional455285

1975Model of the EarthUral Championship 2013453800

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452553

1938Caribbean TriangleUral FU Championship 2012434334

2053BiologyUral Championship 2015433045

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest431139

1653Death ConveyorNEERC 2008 Eastern Subregional426847

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional416982

2061OEIS A216264Palindromic Contest 413066

2083The Guardian of TraditionsUral Championship 2016412608

1415Mobile LifeUSU Championship 2005409395

1376Dean's Pyramid 2Ural Championship 2005. Round 1399622

2084Technical debtUral Championship 2016382771

2096All InclusiveUral FU Personal Contest 2014382720

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3710033

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377730

1848Fly HuntPetrozavodsk Summer 2010. USU Contest375606

2051PhysicsUral Championship 2015373433

2057Non-palidromic cuttingPalindromic Contest 373327

2134StampmanLater is better than never371179

1797Summit Online Judge. Version 2365074

1967Programmer CasinoUral FU Personal Contest 2013354716

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest351342

2129Mortgage in Far Away KingdomLater is better than never351231

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346428

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest343948

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest341372

1842Local RootsPetrozavodsk Summer 2010. USU Contest336128

2087TrainsUral Championship 2016333093

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329419

1798Fire Circle. Version 2313776

1973Location GeneratorUral Championship 2013315097

1598DSA Attack304455

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308737

1374MisereUral Championship 2005. Round 12912089

1399Economical Director2910838

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296743

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest291548

2132Graph Decomposition. Version 2Later is better than never271498

2136John vs SantaLater is better than never271498

1799Sasha and swag strings264188

1999The secret moduleNEERC 2013 Eastern Subregional265626

2147City BuildingUral School Programming Contest 2019261389

1906The Lost CivilizationUral Championship 2012256626

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest254963

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411636

1369Cockroach RaceUral Championship 2005. Round 22314243

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314290

1840Victim of AdvertisingUral Championship 2011238340

2079Memory leaksUral Championship 2016234030

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213054

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2210921

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2111085

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest215603

2090Crossroads of DestinyUral FU Personal Contest 2014214211

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest211948

2086Find DenisUral Championship 2016204433

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816841

1596Knight Mare188905

2016Magic and ScienceNEERC 2014 Eastern Subregional176529

2077ReductionsQualification of Eastern Subregional 2015175200

2088Nostalgic EveningUral Championship 2016174882

1708Sum of Digits 2Ural Championship 20091613140

2054AstronomyUral Championship 2015166206

2094Thousand ImpsUral FU Personal Contest 2014165021

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest162322

2133Terms of referenceLater is better than never162131

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142516

1548Sakura and StatisticsUral Championship 20071317883

2076VasianaQualification of Eastern Subregional 2015126381

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest122744

2082PokerUral Championship 2016116312

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010636

2139Experiment with JuiceUral School Programming Contest 2019102501

1394Ships. Version 2826199

1589SokobanNEERC 2007 Eastern Subregional821783

1897Alice and Bob and a string84209

2137Dynamic string complexityLater is better than never73259

2131Open CupLater is better than never63463