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Problem set


IDTitleSourceAuthorsDifficulty

1001Reverse Root3298714

1293EniyaSpring School Contest 20043506815

1409Two GangstersAutumn School Contest 20053360815

1000A+B Problem10505716

1785Lost in LocalizationUral Regional School Programming Contest 20102197116

2012About Grisha N.NEERC 2014 Eastern Subregional1506716

1877Bicycle CodesUral Regional School Programming Contest 20111713919

1264WorkdaysAutumn School Contest 20032408121

2001Mathematicians and BerriesUral Regional School Programming Contest 20131266821

1787Turn for MEGAUral Regional School Programming Contest 20101429725

1820Ural SteaksUSU Personal Contest 20111359325

2066Simple ExpressionUral Regional School Programming Contest 2015813527

1197Lonesome KnightSpring School Contest 20021791228

2100Wedding DinnerUral FU Junior Championship 2016693728

1880Psych Up's EigenvaluesUral Regional School Programming Contest 20111080830

1639Chocolate 2Autumn School Contest 20081286032

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional894833

12091, 10, 100, 1000...Autumn School Contest 20021458934

1313Some Words about SportUral Championship 2004. Round 11499234

1225FlagsNEERC 2002 Central Subregional1416335

1068Sum3869936

1924Four ImpsUral Regional School Programming Contest 2012790837

1585PenguinsNEERC 2007 Eastern Subregional1168838

2023Donald is a postmanNEERC 2014 Eastern Subregional651438

1319HotelUral Championship 2004. Round 21316239

1567SMS-spamUSU Championship 20071103540

1581TeamworkAutumn School Contest 20071108140

2056ScholarshipUral Championship 2015565841

1263ElectionsAutumn School Contest 20031192143

1100Final StandingsTetrahedron Team Online Contest May 20011117644

1607TaxiUSU Personal Contest 2008944146

1991The battle near the swampNEERC 2013 Eastern Subregional585546

1327FusesAutumn School Contest 20041100447

1493One Step from HappinessAutumn School Contest 20061019147

1243Divorce of the Seven DwarfsUSU Personal Contest 20031026649

1496SpammerAutumn School Contest 2006983249

1545HieroglyphsUral Championship 2007924050

1349FarmSpring School Contest 20051017251

1110PowerBulgarian Online Contest September 2001943952

1196History ExamSpring School Contest 2002932053

1876Centipede's MorningUral Regional School Programming Contest 2011607353

1563BayanUSU Championship 2007831854

1893A380NEERC 2011 Eastern Subregional558358

1636Penalty TimeUSU Championship 2008698259

1654Cipher MessageNEERC 2008 Eastern Subregional698759

1837Isenbaev's NumberUral Championship 2011565859

1149Sinus Dances823560

1881Long problem statementUral Regional School Programming Contest 2011537360

2025Line FightingUral Regional School Programming Contest 2014410160

1723Sandro's BookUral Regional School Programming Contest 2009618362

1296HyperjumpSpring School Contest 2004791364

1617Flat SpotsUral Championship 2008670164

1638BookwormUSU Championship 2008634565

1224SpiralNEERC 2002 Central Subregional759266

1025Democracy in DangerAutumn School Contest 20002297967

1083Factorials!!!Spring School Contest 20011996967

1925British Scientists Save the WorldUral Regional School Programming Contest 2012442367

1457Heating MainTimus Top Coders: Second Challenge734268

2111PlatoUniversity academic school olympiad in informatics 2019208268

2002Test TaskUral Regional School Programming Contest 2013387170

1119MetroAutumn School Contest 2001699771

1502Domino DotsNEERC 2006 Eastern Subregional650173

2035Another Dress RehearsalUral Regional School Programming Contest 2014334073

1106Two TeamsTetrahedron Team Online Contest May 2001660874

1131CopyingUSU Championship 2001651176

1139City BlocksNEERC 2001 Central Subregional640177

1935Tears of DrownedUral FU Championship 2012384477

1005Stone PileUSU Championship 19971954479

1146Maximum SumDSAP Vietnam Online Contest November 2001626479

1290SabotageSpring School Contest 2004639380

1404Easy to Hack!Autumn School Contest 2005644280

1203Scientific ConferenceUSU Local Contest. March 2002611881

1792Hamming CodeUral Regional School Programming Contest 2010432881

1194HandshakesSpring School Contest 2002604282

1297PalindromeSpring School Contest 2004623682

2031Overturned NumbersUral Regional School Programming Contest 2014296982

1712Cipher GrilleNEERC 2009 Eastern Subregional455584

1120Sum of Sequential NumbersAutumn School Contest 2001566287

1510OrderNEERC 2006 Eastern Subregional550987

1180Stone GameUSU Personal Contest 2002565988

2005Taxi for ProgrammersUral Regional School Programming Contest 2013300789

1370MagicianUral Championship 2005. Round 2574190

1161StripiesNEERC 2001 Northern Subregional542091

1446Sorting HatUral Championship 2006550691

1601AntiCAPSUSU Personal Contest 2008475891

1126Magnetic StormsUSU Championship 2001539392

1009K-based NumbersUSU Championship 19971635994

1014Product of DigitsUSU Local Contest. 19991639694

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001523194

1330IntervalsAutumn School Contest 2004536495

1494MonobilliardsAutumn School Contest 2006497896

16421D MazeAutumn School Contest 2008427696

2011Long StatementUral Regional School Programming Contest 2013273798

1020RopeAutumn School Contest 20001549799

1136ParliamentNEERC 2001 Central Subregional497299

1644A Whole Lot of WalnutsAutumn School Contest 2008415999

2018The Debut AlbumNEERC 2014 Eastern Subregional2456100

1214Strange ProcedureAutumn School Contest 20024937101

2033DevicesUral Regional School Programming Contest 20142388102

2068Game of NutsUral Regional School Programming Contest 20152173102

1118Nontrivial NumbersAutumn School Contest 20014782103

1353Milliard Vasya's FunctionSpring School Contest 20054974103

1731DillUral Regional School Programming Contest 20093713103

2138The Good, the Bad and the UglyUral School Programming Contest 20191254104

1086CryptographySpring School Contest 200112749105

1786Sandro's BiographyUral Regional School Programming Contest 20103302106

1228ArrayNEERC 2002 Central Subregional4664107

1573AlchemyAutumn School Contest 20074165107

1796Amusement ParkUral Regional School Programming Contest 20103287107

1192Ball in a DreamSpring School Contest 20024579108

1079MaximumWinter Mathematical Festival Varna 200112312110

1260Nudnik PhotographerAutumn School Contest 20034592110

1902Neo-VeniceUral Championship 20122675111

1226esreveR redrONEERC 2002 Central Subregional4422113

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest3561113

1283DwarfUSU Personal Contest 20044367116

2142MagicUral School Programming Contest 20191100118

1219Symbolic SequenceUSU Championship 20024204119

1044Lucky Tickets. Easy!USU Championship 200012518121

1123SalaryAutumn School Contest 20014077121

1582BookmakersNEERC 2007 Eastern Subregional3656121

1336Problem of Ben BetsalelAutumn School Contest 20044210122

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024038123

1777AnindilyakwaUral SU Championship 20102861123

1082Gaby IvanushkaSpring School Contest 200110831124

1207Median on the PlaneUSU Local Contest. March 20023975125

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20132104128

1402CocktailsAutumn School Contest 20054003129

1726VisitsUral Regional School Programming Contest 20092945129

1352Mersenne PrimesSpring School Contest 20053937130

1688Team.GOV!USU Personal Contest 20093050131

1711Code NamesNEERC 2009 Eastern Subregional2900131

1521War Games 2Timus Top Coders: Third Challenge3583132

1982Electrification PlanUral FU Championship 20132036133

1683FridgeUSU Personal Contest 20092990134

1167Bicolored HorsesRomanian Online Contest December 20013651135

1740Deer is Better!USU Championship 20092761137

2102Michael and CryptographyUral FU Junior Championship 20161410138

1354Palindrome. Again PalindromeSpring School Contest 20053702139

1506Columns of NumbersNEERC 2006 Eastern Subregional3428139

1725Sold Out!Ural Regional School Programming Contest 20092744139

1613For Fans of StatisticsUral Championship 20083055140

2149Pigeonhole PrincipleUral School Programming Contest 2019927140

1022Genealogical TreeAutumn School Contest 200010890141

1073Square CountryUSU Personal Contest 20019731141

1222Chernobyl’ EaglesUSU Championship 20023523142

1280Topological SortingNEERC 2003 Central Subregional3574142

1586Threeprime NumbersNEERC 2007 Eastern Subregional3073144

1604Country of FoolsUSU Personal Contest 20083004144

1306Sequence MedianUral Championship 19983518145

1572Yekaterinozavodsk Great WellAutumn School Contest 20073059145

1021Sacrament of the SumAutumn School Contest 200010466146

1576Telephone TariffsAutumn School Contest 20073040146

1272Non-Yekaterinburg SubwayUSU Championship 20033412148

1084Goat in the GardenSpring School Contest 20019025149

1178Akbardin’s RoadsUSU Personal Contest 20023335149

1612Tram ForumUral Championship 20082883149

1295Crazy NotionsSpring School Contest 20043378150

2000Grand Theft Array VUral Regional School Programming Contest 20131777151

1160NetworkNEERC 2001 Northern Subregional3289152

1846GCD 2010Petrozavodsk Summer 2010. USU Contest2138152

1868Prediction ContestUral FU Championship 20112124152

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1615152

1142RelationsDSAP Vietnam Online Contest November 20013237153

1709Penguin-AviaUral Championship 20092586153

1152False MirrorsUral Championship 2001. Round 23190155

1017StaircasesUSU Local Contest. 19999809156

1026Questions and AnswersAutumn School Contest 20009831156

1450Russian PipelinesTimus Top Coders: Second Challenge3183156

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102242156

1931Excellent TeamUral FU Championship 20121827161

1135RecruitsNEERC 2001 Central Subregional3050162

1987Nested SegmentsUral FU Championship 20131659162

1112CoverBulgarian Online Contest September 20013013163

1210Kind SpiritsAutumn School Contest 20023069163

1964Chinese DialectsUral FU Personal Contest 20131694164

1102Strange DialogTetrahedron Team Online Contest May 20012969165

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2909165

1930Ivan's CarUral Regional School Programming Contest 20121783165

1628White StreaksUSU Championship 20082443168

1800Murphy's LawNEERC 2010 Eastern Subregional2087168

1213Cockroaches!Autumn School Contest 20022950169

1864Get-Together at Den'sUral FU Championship 20111904169

1423String TaleTimus Top Coders: First Challenge2918172

1821BiathlonUSU Personal Contest 20111969172

1640Circle of WinterAutumn School Contest 20082364173

1756One and a Half DiggersUSU Personal Contest 20102104175

1401GamersAutumn School Contest 20052931176

1012K-based Numbers. Version 28628178

1242WerewolfUSU Personal Contest 20032820178

1413Mars JumperUSU Championship 20052886178

1335White ThesisAutumn School Contest 20042832180

1685OrthographyUSU Personal Contest 20092220180

1155TroubleduonsUral Championship 2001. Round 22732181

1193Queue at the ExamSpring School Contest 20022736181

1303Minimal CoverageUral Championship 19982814181

1348Goat in the Garden 2Spring School Contest 20052819182

1322SpyUral Championship 2004. Round 22727186

1590Bacon’s CipherNEERC 2007 Eastern Subregional2329190

1114BoxesBulgarian Online Contest September 20012573191

1874Football GoalUral Regional School Programming Contest 20111677192

1080Map ColoringWinter Mathematical Festival Varna 20017031193

1650BillionairesNEERC 2008 Eastern Subregional2122193

1013K-based Numbers. Version 31277194

1885Passenger ComfortNEERC 2011 Eastern Subregional1661194

1134CardsNEERC 2001 Central Subregional2533195

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101795195

1490Fire CircleAutumn School Contest 20062438196

1183Brackets SequenceNEERC 20012511197

1645Ski RaceAutumn School Contest 20082075197

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091925197

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1367197

1048Superlong SumsUSU Local Contest. March 20007523198

1635Mnemonics and PalindromesUSU Championship 20082074198

1157Young TilerUral Championship 2001. Round 22474199

1658Sum of DigitsNEERC 2008 Eastern Subregional2056199

2072Kirill the Gardener 3Ural Regional School Programming Contest 20151104199

1138Integer PercentageNEERC 2001 Central Subregional2449201

1769Old Ural LegendUral Championship 20101817201

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1737201

2105Alice and Bob are on BikesUral FU Junior Championship 2016961202

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2014203

1984Dummy GuyUral FU Championship 20131329203

1164FillwordNEERC 2001 Northern Subregional2411205

1491Unreal StoryAutumn School Contest 20062297208

1162Currency ExchangeNEERC 2001 Northern Subregional2359209

1878Rubinchik's CubeUral Regional School Programming Contest 20111540209

2115The Knowledge DayUniversity academic school olympiad in informatics 2019673209

1355Bald Spot RevisitedSpring School Contest 20052425211

2069Hard RockUral Regional School Programming Contest 20151043211

1208Legendary Teams ContestUSU Local Contest. March 20022329213

1789Searching for the DodecahedronUral Regional School Programming Contest 20101642213

1023ButtonsAutumn School Contest 20007150214

1515CashmasterTimus Top Coders: Third Challenge2208214

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1380214

1333Genie Bomber 2Autumn School Contest 20042364216

1249Ancient NecropolisUSU Local Contest. March 20032306217

1680The First NonqualifyingUSU Personal Contest 20091819219

1133Fibonacci SequenceNEERC 2001 Central Subregional2214223

2070Interesting NumbersUral Regional School Programming Contest 2015987223

1002Phone NumbersCentral European Olympiad in Informatics 19996855224

2144Cleaning the RoomUral School Programming Contest 2019575224

2073Log FilesUral Regional School Programming Contest 2015978225

1204IdempotentsUSU Local Contest. March 20022162229

1944Record of the Attack at the OrbitUral FU Personal Contest 20121261229

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1283230

1869New Year CruiseUral FU Championship 20111394231

1298KnightSpring School Contest 20042181233

1033LabyrinthUral Championship 19996514234

1125HopscotchUSU Championship 20012102234

1052Rabbit HuntUSU Local Contest. March 20006357235

1205By the Underground or by Foot?USU Local Contest. March 20022085237

1247Check a SequenceUSU Personal Contest 20032090240

1184Cable MasterNEERC 20012035243

2141Sasha VilkinUral School Programming Contest 2019530243

1011ConductorsUSU Championship 19976259245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2099245

1191Catch the thief!Spring School Contest 20022008246

1795Husband in a ShopUral Regional School Programming Contest 20101421246

1049Brave BalloonistsUSU Local Contest. March 20006050247

1122GameAutumn School Contest 20011987248

1150Page NumbersUral Championship 2001. Round 21988248

1108HeritageBulgarian Online Contest September 20011972249

1517Freedom of ChoiceTimus Top Coders: Third Challenge1895249

1737Mnemonics and Palindromes 3USU Championship 20091517249

1109ConferenceBulgarian Online Contest September 20011970250

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1912251

1603EruditeUSU Personal Contest 20081707252

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1460254

2091Natural SelectionUral FU Personal Contest 2014795254

1200Horns and HoofsUSU Local Contest. March 20021935256

1244GentlemenUSU Personal Contest 20031960256

1195Ouths and CrossesSpring School Contest 20021909259

1113JeepBulgarian Online Contest September 20011874262

1433DiamondsUSU Personal Contest 20061901263

1028StarsUral Championship 19995783264

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1401265

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20015093266

1501Sense of BeautyNEERC 2006 Eastern Subregional1787266

1684Jack's Last WordUSU Personal Contest 20091500266

1551Sumo TournamentUral Championship 20071717267

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1725269

1087The Time to Take StonesSpring School Contest 20014915273

2095ScrumUral FU Personal Contest 2014736275

1220StacksUSU Championship 20021803276

1117HierarchyAutumn School Contest 20011774277

2062Ambitious ExperimentUral Regional School Programming Contest 2015792277

1018Binary Apple TreeUSU Local Contest. 19995513278

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031798279

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional875279

2078Bowling gameUral Championship 2016729280

1444ElephpotamusUral Championship 20061764282

1537EntsUSU Personal Contest 20071637283

1741Communication FiendUSU Championship 20091330284

1320Graph DecompositionUral Championship 2004. Round 21767287

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1541288

1010Discrete FunctionUSTU PhysTech Cup 20005317289

2034CaravansUral Regional School Programming Contest 2014838290

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional836292

1179Numbers in TextUSU Personal Contest 20021685293

1223Chernobyl’ Eagle on a RoofUSU Championship 20021687295

1356Something EasierSpring School Contest 20051728296

1377Lara CroftUral Championship 2005. Round 11737296

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1568296

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1083296

1346Intervals of MonotonicityUSU Championship 20041723297

1047Simple CalculationsUSU Local Contest. March 20005003298

1124MosaicUSU Championship 20011649298

1153SupercomputerUral Championship 2001. Round 21652298

2065Different SumsUral Regional School Programming Contest 2015735298

1032Find a MultipleUral Championship 19994441299

1215Exactness of Projectile HitAutumn School Contest 20021663299

1497Cutting a SquareAutumn School Contest 20061595299

1185WallNEERC 20011642301

1227Rally ChampionshipNEERC 2002 Central Subregional1658301

1036Lucky Tickets5043302

1718RejudgeNEERC 2009 Eastern Subregional1255302

1826MinefieldUSU Personal Contest 20111116302

2098Lada PrioraUral FU Personal Contest 2014665304

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1216305

1922Superhero TeamUral Regional School Programming Contest 2012954308

1190Bar of ChocolateSpring School Contest 20021601309

1211Collective GuaranteeAutumn School Contest 20021607310

2067Friends and BerriesUral Regional School Programming Contest 2015707310

1294Mars SatellitesSpring School Contest 20041614314

1024PermutationsAutumn School Contest 20004832316

1127Colored BricksUSU Championship 20011533321

1218Episode N-th: The Jedi TournamentUSU Championship 20021550321

2024Adventure TimeUral Regional School Programming Contest 2014749324

1137Bus RoutesNEERC 2001 Central Subregional1515325

1588JamaicaNEERC 2007 Eastern Subregional1357325

1156Two RoundsUral Championship 2001. Round 21505327

1753BookshelfUSU Personal Contest 20101121327

1261TipsAutumn School Contest 20031537328

1116Piecewise Constant FunctionAutumn School Contest 20011492329

1989SubpalindromesUral FU Championship 2013815329

1779The Great TeamUral SU Championship 20101055331

1246Tethered DogUSU Personal Contest 20031505332

1282Game TreeNEERC 2003 Central Subregional1499336

1053PinocchioNEERC 2000 Central Subregional4411337

1823Ideal GasUSU Personal Contest 2011996338

1176HyperchannelsUSU Personal Contest 20021455339

1495One-two, One-two 2Autumn School Contest 20061402340

1406Next NumberAutumn School Contest 20051490344

1651Shortest SubchainNEERC 2008 Eastern Subregional1180345

1934Black SpotUral FU Championship 2012844346

1121BranchesAutumn School Contest 20011410348

1302Delta-waveUral Championship 19981455348

2003Simple MagicUral Regional School Programming Contest 2013761350

1029MinistryUral Championship 19993778351

1078SegmentsWinter Mathematical Festival Varna 20013862351

1403CourierAutumn School Contest 20051464351

2104Game with a StripUral FU Junior Championship 2016549351

1574Mathematicians and bracketsAutumn School Contest 20071247354

1873GOV ChroniclesUral Regional School Programming Contest 2011901356

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011365360

1201Which Day Is It?USU Local Contest. March 20021370360

1431DiplomasUSU Personal Contest 20061385360

1998The old PadawanNEERC 2013 Eastern Subregional743360

2145Olympiad for EveryoneUral School Programming Contest 2019354360

1008Image EncodingUSTU PhysTech Cup 20004237362

1090In the Army NowUSU Local Contest. March 20013527362

1427SMSTimus Top Coders: First Challenge1381363

1141RSA Attack1349364

1067Disk TreeNEERC 20003826368

1060Flip GameNEERC 20003806370

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest1063373

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012783374

1140Swamp IncidentNEERC 2001 Central Subregional1305376

1292Mars Space StationsSpring School Contest 20041338378

1287Mars CanalsUSU Personal Contest 20041335379

1513Lemon TaleTimus Top Coders: Third Challenge1240379

1992CVSNEERC 2013 Eastern Subregional704379

1229Strong BrickworkNEERC 2002 Central Subregional1309380

1648YachtsAutumn School Contest 20081073380

1039Anniversary PartyUSU Championship 20003945383

1291Gear-wheelsSpring School Contest 20041319383

1483Table FootballUSU Championship 20061246383

1031Railway TicketsUral Championship 19993964384

1003ParityCentral European Olympiad in Informatics 19993992385

1407One-two, One-twoAutumn School Contest 20051332385

1410CrackUSU Championship 20051328385

1489Points on a ParallelepipedAutumn School Contest 20061233386

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1202386

1262Pseudo-Roman NumberAutumn School Contest 20031297388

1793Tray 2Ural Regional School Programming Contest 2010896389

1111SquaresBulgarian Online Contest September 20011256390

1259How to Become Star?Autumn School Contest 20031279393

1326Bottle TapsUral Championship 2004. Round 21286394

1350CanteenSpring School Contest 20051296394

1933Guns for Battle!Ural FU Championship 2012741394

1416ConfidentialUSU Championship 20051294395

1077Travelling Tours1236397

1007Code WordsUSU Championship 19973845399

1289One Way TicketUSU Personal Contest 20041268399

1252Sorting the TombstonesUSU Local Contest. March 20031248400

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional869400

2113Survive the floodUniversity academic school olympiad in informatics 2019346401

1562GM-pineappleUSU Championship 20071094404

1217Unlucky TicketsUSU Championship 20021215409

1128Partition into GroupsUSU Championship 20011193411

2063Black and WhiteUral Regional School Programming Contest 2015528413

1115ShipsBulgarian Online Contest September 20011184414

1055CombinationsNEERC 2000 Central Subregional3576416

1343Fairy TaleUSU Championship 20041227416

1258PoolAutumn School Contest 20031205417

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest772417

1238FoldingNEERC 20021193418

1107Warehouse ProblemTetrahedron Team Online Contest May 20011158421

1221Malevich Strikes Back!USU Championship 20021179422

1279WarehouseNEERC 2003 Central Subregional1192422

1643Attack of the Dark FortressAutumn School Contest 2008963423

1941Scary Martian WordUral FU Personal Contest 2012677424

1129Door PaintingUSU Championship 20011149427

1981Parallel and PerpendicularUral FU Championship 2013624428

1414Astronomical DatabaseUSU Championship 20051184431

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection638432

1439Battle with You-Know-WhoUral Championship 20061136436

2108Oleg and Little PoniesUral FU Junior Championship 2016440436

1316Electronic AuctionUral Championship 2004. Round 11156437

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest922437

2021Scarily interesting!NEERC 2014 Eastern Subregional550441

1202Rectangles TravelUSU Local Contest. March 20021114442

1507Difficult DecisionNEERC 2006 Eastern Subregional1068444

1362Classmates 2Ural Championship 2005. Round 21149445

1015Test the Difference!USU Local Contest. 19993398450

1571InterpretersUSU Championship 2007981450

1602ElevatorUSU Personal Contest 2008951450

1181Cutting a Painted PolygonUSU Personal Contest 20021092451

1732Ministry of TruthUSU Championship 2009833451

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional703454

1890Money out of Thin AirNEERC 2011 Eastern Subregional700455

1094E-screenUSU Local Contest. March 20012794456

1759Long-LiversUSU Personal Contest 2010800456

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest700459

1776Anniversary FireworkUral SU Championship 2010757460

1019Line PaintingUSU Local Contest. 19993317461

1904The Lessons of the PastUral Championship 2012635461

1329Galactic HistoryAutumn School Contest 20041101462

1519Formula 1Timus Top Coders: Third Challenge1015462

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest519462

1273TieUSU Championship 20031085463

1430Crime and PunishmentTimus Top Coders: First Challenge1074465

1828Approximation by a ProgressionUSU Personal Contest 2011722465

1480CouponsUSU Championship 20061020466

1783Nuclear Arms RaceUral SU Championship 2010746467

2047MathsUral Championship 2015486470

2167Cipher Message 5Ural School Programming Contest 2022105473

1577E-mailAutumn School Contest 2007930474

1700AwakeningUral Championship 2009830474

1963KiteUral FU Personal Contest 2013575478

1038Spell CheckerUSU Championship 20003134481

1631Drunk King 2USU Championship 2008849481

1198Jobbery1048488

1212BattleshipAutumn School Contest 20021017488

1535The Hobbit or There and Back AgainUSU Personal Contest 2007937492

2046The First Day at SchoolUral Championship 2015464492

1236Decoding TaskNEERC 20021009493

1437Gasoline StationUSU Personal Contest 20061008494

1579Coat TransportationAutumn School Contest 2007892494

1465Pawn GamePetrozavodsk Winter 2006. USU Contest972495

2030Awesome Backup SystemUral Regional School Programming Contest 2014486495

1072RoutingUSU Personal Contest 20012749497

1428Jedi RiddleTimus Top Coders: First Challenge1004497

1641DutiesAutumn School Contest 2008814500

1103Pencils and CirclesTetrahedron Team Online Contest May 2001972501

1189Pairs of IntegersNEERC 2001983501

2148Insane ShotUral School Programming Contest 2019252501

1774Barber of the Army of MagesUral SU Championship 2010691503

1901Space ElevatorsUral Championship 2012581503

1158Censored!NEERC 2001 Northern Subregional970506

2109Tourism on MarsUral FU Junior Championship 2016375510

1182Team Them Up!NEERC 2001963511

1900Brainwashing DeviceUral Championship 2012571512

1069Prufer CodeUSU Personal Contest 20012650516

1045Funny GameUSU Local Contest. March 20002882517

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014465517

1091Tmutarakan ExamsUSU Local Contest. March 20012438522

1728Curse on Team.GOVUral Regional School Programming Contest 2009721522

1371Cargo AgencyUral Championship 2005. Round 1977523

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005973524

1051Simple Game on a GridUSU Local Contest. March 20002837525

1366PresentsUral Championship 2005. Round 2967527

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019261527

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional454532

1923Scary PoliticsUral Regional School Programming Contest 2012545534

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional497534

1682Crazy ProfessorUSU Personal Contest 2009739535

1325DirtUral Championship 2004. Round 2937539

1334CheckersAutumn School Contest 2004942539

1375Bill CleversUral Championship 2005. Round 1949539

1358CablesSpring School Contest 2005941541

1101Robot in the FieldTetrahedron Team Online Contest May 2001896543

1421Credit OperationsTimus Top Coders: First Challenge918543

1056Centers of the NetNEERC 2000 Central Subregional2718547

1400Cellular CharactersAutumn School Contest 2005935547

1098Questions2217549

1132Square Root884554

1172Ship RoutesRomanian Online Contest December 2001883555

1600AirportUSU Personal Contest 2008768556

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest916558

1066GarlandNEERC 20002461571

1095Nikifor 3USU Local Contest. March 20012226572

2026Dean and ScheduleUral Regional School Programming Contest 2014418574

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional654576

1004Sightseeing TripCentral European Olympiad in Informatics 19992641581

1448Lighting in HogwartsUral Championship 2006851581

1143Electric PathDSAP Vietnam Online Contest November 2001841582

1534Football in GondorUSU Personal Contest 2007791582

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional592584

1314Chase in SubwayUral Championship 2004. Round 1855590

1995Illegal spicesNEERC 2013 Eastern Subregional448591

1445Christmas giftsUral Championship 2006829596

1550Dean's Pyramid 3Ural Championship 2007764596

1592Chinese WatchesNEERC 2007 Eastern Subregional734597

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014401598

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest800600

1309DisputeUral Championship 2004. Round 1837602

1452Pascal vs. C++Timus Top Coders: Second Challenge810606

1605Devil's SequenceUSU Personal Contest 2008700609

1871Seismic WavesUral FU Championship 2011522610

2156Interesting ConversationsUral School Programming Contest 2020161612

1071Nikifor 2USU Personal Contest 20012213617

2071Juice CocktailsUral Regional School Programming Contest 2015349619

1085MeetingSpring School Contest 20012161620

1713Key SubstringsNEERC 2009 Eastern Subregional604622

1332Genie BomberAutumn School Contest 2004813623

1729Dead Man's ChestUral Regional School Programming Contest 2009602624

1379Cups TransportationUral Championship 2005. Round 1815626

1027D++ AgainAutumn School Contest 20002432627

1942Attack at the OrbitUral FU Personal Contest 2012455627

1690Army of MagesPetrozavodsk Winter 2009. USU Contest626629

1980Road to InvestorUral Championship 2013430629

1542AutocompletionUral Championship 2007722631

1486Equal SquaresUSU Championship 2006748634

1500Pass LicensesNEERC 2006 Eastern Subregional744635

1701Ostap and PartnersUral Championship 2009617635

2060Subpalindrome pairsPalindromic Contest 349636

1698Square Country 5Petrozavodsk Winter 2009. USU Contest618637

1254Die HardUSU Local Contest. March 2003779638

1054Tower of HanoiNEERC 2000 Central Subregional2326639

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest690639

2099Space InvaderUral FU Personal Contest 2014310640

2143Victoria!Ural School Programming Contest 2019195640

2146Quiz ShowUral School Programming Contest 2019195640

1484Film RatingUSU Championship 2006739641

1754Explosion in a PyramidUSU Personal Contest 2010564644

1064Binary SearchNEERC 20002172647

1659Regular TrianglesNEERC 2008 Eastern Subregional625647

1884Way to the UniversityUral Regional School Programming Contest 2011488650

1710Boris, You Are Wrong!Ural Championship 2009600652

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009575652

1070Local TimeUSU Personal Contest 20012084655

1061Buffer ManagerNEERC 20002133659

1248Sequence SumUSU Personal Contest 2003751662

1286Starship TravelUSU Personal Contest 2004760662

1706Cipher Message 2Ural Championship 2009591662

1971Graphics SettingsUral Championship 2013405666

1760Infernal WorkUSU Personal Contest 2010544667

1059ExpressionNEERC 2000 Central Subregional2220669

1822Hugo II's WarUSU Personal Contest 2011494675

1966Cycling RoadsUral FU Personal Contest 2013404675

1443RailsUral Championship 2006729676

2081Faulty dialUral Championship 2016294681

1234BricksNEERC 2002725683

1440Training ScheduleUral Championship 2006721684

1564Counting OnesUSU Championship 2007642684

1891Language OceanNEERC 2011 Eastern Subregional463684

1274Fractional ArithmeticNEERC 2003 Central Subregional729687

1870Zinium 2Ural FU Championship 2011462687

1611DecimationUral Championship 2008613690

1253NecrologuesUSU Local Contest. March 2003717693

1186Chemical ReactionsNEERC 2001705695

2121Intersection of ParabolasPetrozavodsk Summer 2018. umnik_team Contest192696

2172Meta-statement 2Ural School Programming Contest 202268698

1096Get the Right Route Plate!USU Local Contest. March 20011810703

1305Convex HullUral Championship 1998713705

1076Trash1922706

1606SlalomUSU Personal Contest 2008602707

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional410707

1057Amount of DegreesNEERC 2000 Central Subregional2093709

1838Samurai's StrokeUral Championship 2011465710

1424MinibusTimus Top Coders: First Challenge699711

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest576713

1174Weird PermutationsRomanian Online Contest December 2001683715

1405Goat in the Garden 5Autumn School Contest 2005713715

1767The House of Doctor DeeUral Championship 2010502717

2080WalletUral Championship 2016279717

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest661718

1772Ski-Trails for RobotsUral Championship 2010499722

1169PairsRomanian Online Contest December 2001676723

1250Sea BurialUSU Local Contest. March 2003684726

1803The Czechs' RiflesNEERC 2010 Eastern Subregional473727

1168Radio StationsRomanian Online Contest December 2001668731

1268Little ChuUSU Championship 2003682733

1276TrainNEERC 2003 Central Subregional682734

2161Mount & BladeUral School Programming Contest 202164736

1593Square Country. Version 2536738

1088Ilya MurometzSpring School Contest 20011811739

1301Cube in LabyrinthUral Championship 1998675744

1342EnterpriseUSU Championship 2004682744

1866Poetic FootUral FU Championship 2011425746

1147Shaping RegionsDSAP Vietnam Online Contest November 2001653747

1456Jedi Riddle 2Timus Top Coders: Second Challenge656747

2004Scientists from SpilkovoUral Regional School Programming Contest 2013350749

1159FenceNEERC 2001 Northern Subregional648753

1928Another Ecology ProblemUral Regional School Programming Contest 2012383755

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014315756

2173Meta-statement 3Ural School Programming Contest 202262756

1230Introspective ProgramNEERC 2002 Central Subregional652757

2112Battle logUniversity academic school olympiad in informatics 2019178759

1235Cricket FieldNEERC 2002650761

1633HippogriffsUSU Championship 2008531763

1392Dreaming of Stars666764

1716Alternative SolutionNEERC 2009 Eastern Subregional489766

1872Spacious OfficeUral FU Championship 2011408776

1962In Chinese RestaurantUral FU Personal Contest 2013346785

1277Cops and ThievesNEERC 2003 Central Subregional632791

1629TripUSU Championship 2008509796

1034Queens in Peaceful PositionsUral Championship 19991889804

1042Central HeatingUSU Championship 20001861809

1587Flying PigNEERC 2007 Eastern Subregional539809

1016Cube on the WalkUSU Local Contest. 19991877813

1755CakeUSU Personal Contest 2010444814

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest448816

1940Not So Simple YearsUral FU Championship 2012352816

2009Canteen LineUral Regional School Programming Contest 2013319820

1105Observers ColoringTetrahedron Team Online Contest May 2001589821

1323ClassmatesUral Championship 2004. Round 2611822

1939First SealUral FU Championship 2012348826

1647Divide an Island!Autumn School Contest 2008486830

1089Verification with the DictionarySpring School Contest 20011605833

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014285833

1436BillboardUSU Personal Contest 2006592835

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest570838

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest564839

1773Metro to Every HomeUral Championship 2010428839

1614National Project “Trams”Ural Championship 2008501842

1373Pictura ex MachinaUral Championship 2005. Round 1601846

1269Obscene Words FilterUSU Championship 2003587850

2119Tree HullPetrozavodsk Summer 2018. umnik_team Contest155853

2048HistoryUral Championship 2015263854

2116He is not a knight for youUniversity academic school olympiad in informatics 2019157855

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest275857

1575Yekaterinburg Subway 2Autumn School Contest 2007508860

1422FirefliesTimus Top Coders: First Challenge576861

1339BabiesUSU Championship 2004587862

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest509862

1547Password SearchUral Championship 2007525863

1512ZiniumTimus Top Coders: Third Challenge537866

1398Bishop and Pawn534868

1892Morning in KoltsovoNEERC 2011 Eastern Subregional362869

2151MahjongUral School Programming Contest 2020110872

1961Cantonese DialectUral FU Personal Contest 2013310874

1578Mammoth HuntAutumn School Contest 2007498877

1154Mages ContestUral Championship 2001. Round 2553880

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest444880

1943Space RummyUral FU Personal Contest 2012320883

1546Japanese SortingUral Championship 2007512884

1896War Games 2.1227884

1030TitanicUral Championship 19991716885

1498Stroke at Full SpeedAutumn School Contest 2006532885

1646Godzilla Strikes Back!Autumn School Contest 2008454887

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest516889

1580Dean's DebtsAutumn School Contest 2007490891

1570Eating HighUSU Championship 2007483905

1418Military StoryUSU Championship 2005558907

1780Gray CodeUral SU Championship 2010378910

1689Fisherman and BarbellUSU Personal Contest 2009429913

1825Ifrit Bomber 2USU Personal Contest 2011363913

1165SubnumberNEERC 2001 Northern Subregional531916

1830Help in the RNOSUral Championship 2011357919

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional313920

2130Alice + BobLater is better than never138920

1903Unidentified ShipsUral Championship 2012313921

1775Space BowlingUral SU Championship 2010372924

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional257924

1233Amusing NumbersNEERC 2002533925

1705Gangster HaresUral Championship 2009420926

2153Perfect SquadUral School Programming Contest 2020103926

1324Extra SpacesUral Championship 2004. Round 2538931

1832Arirang ShowUral Championship 2011352931

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest470932

2064CaterpillarsUral Regional School Programming Contest 2015228933

2089Experienced coachUral Championship 2016212933

1130Nikifor's WalkUSU Championship 2001518937

1569Networking the “Iset”USU Championship 2007465939

2128Rubina's SolitaireLater is better than never134945

2135Pauline and commitsLater is better than never134945

1364LaraKillerUral Championship 2005. Round 2534947

1245PicturesUSU Personal Contest 2003519952

2114My craftUniversity academic school olympiad in informatics 2019140952

2129Mortgage in Far Away KingdomLater is better than never133952

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest495954

1175Strange SequenceUSU Personal Contest 2002510955

2155QuadrocopterUral School Programming Contest 202099959

1932The Secret of IdentifierUral FU Championship 2012298960

1875Angry BirdsUral Regional School Programming Contest 2011327961

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest378963

2074Timus problems classifierQualification of Eastern Subregional 2015211968

1006Square FramesUSU Championship 19971571973

1434Buses in VasyukiUSU Personal Contest 2006506975

1278“… Connecting People”NEERC 2003 Central Subregional508980

1720Summit Online JudgeNEERC 2009 Eastern Subregional380980

1435Financial ErrorUSU Personal Contest 2006502982

1237Evacuation PlanNEERC 2002501983

1965Pear TreesUral FU Personal Contest 2013274984

2110Remove or MaximizeUral FU Junior Championship 2016189987

1738Computer SecurityUSU Championship 2009375988

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional345990

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest319991

2123KnapsackPetrozavodsk Summer 2018. umnik_team Contest132991

1451Beerhouse TaleTimus Top Coders: Second Challenge490994

1715Another Ball KillerNEERC 2009 Eastern Subregional374995

1331VladislavaAutumn School Contest 2004504998

1447Portkey NetworkUral Championship 2006491998

1040Airline CompanyUSU Championship 200015031000

1533Fat HobbitsUSU Personal Contest 20074551003

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4741004

1630TalismanUSU Championship 20084001007

1926The Tournament of IntelligencesUral Regional School Programming Contest 20122841009

2106DeserializationUral FU Junior Championship 20161841012

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest3901013

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest3291015

1990PodracingNEERC 2013 Eastern Subregional2531029

1608Lucky Tickets 2008Ural Championship 20084061034

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest3941034

1994The Emperor's planNEERC 2013 Eastern Subregional2501041

2152Tax FeesUral School Programming Contest 2020901046

1151RadiobeaconsUral Championship 2001. Round 24611052

1824Ifrit BomberUSU Personal Contest 20113131054

1927Herbs and MagicUral Regional School Programming Contest 20122711055

21504B and ZooUral School Programming Contest 2020891056

1518Jedi Riddle 3Timus Top Coders: Third Challenge4381057

2008SwiftyUral Regional School Programming Contest 20132451058

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2951060

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection2541061

1591Abstract ThinkingNEERC 2007 Eastern Subregional4081062

1317HailUral Championship 2004. Round 24681067

1539Intelligence DataUSU Personal Contest 20074271067

1173Lazy SnailRomanian Online Contest December 20014541068

1863Peaceful AtomUral FU Championship 20112921074

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4381075

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3601080

1540Battle for the RingUSU Personal Contest 20074201084

2160Meta-statementUral School Programming Contest 2021401089

1761Binary PalindromeUSU Personal Contest 20103291090

1310ACM DiagnosticsUral Championship 2004. Round 14571092

1627JoinPetrozavodsk Winter 2008. ITMO Contest3721093

2140BitMazeCraftUral School Programming Contest 20191091103

1730ManBearPigUral Regional School Programming Contest 20093311119

1905Travel in TimeUral Championship 20122561119

1988Planet Ocean LandingUral FU Championship 20132311125

1936RoshamboUral FU Championship 20122511132

1441From the History of Gringotts BankUral Championship 20064301136

1341DeviceUSU Championship 20044421138

1099Work Scheduling10041141

1736Chinese HockeyUSU Championship 20093211149

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4391151

1595Perfect Sequence3311152

1974Similar TunesUral Championship 20132301152

1359ConstructionSpring School Contest 20054361154

1836Babel FishUral Championship 20112821155

2092BoleroUral FU Personal Contest 20141671157

2162GraphmaniaUral School Programming Contest 2021371157

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest2011158

1393Average Common Prefix4321159

1986Paul’s SaladsUral FU Championship 20132241159

1827Indigenous WarsUSU Personal Contest 20112821166

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3891172

1037Memory ManagementUSU Championship 200012801173

1768Circular StringsUral Championship 20103031174

2103Corporate MailUral FU Junior Championship 20161571176

1883Ent's BirthdayUral Regional School Programming Contest 20112631186

1357Teakettle 1.0 for DummiesSpring School Contest 20054231189

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3661190

1784RoundersUral SU Championship 20102841200

1408Polynomial MultiplicationAutumn School Contest 20054201202

1937Davy Jones’s OrganUral FU Championship 20122351206

1453QueenTimus Top Coders: Second Challenge4011210

1921Chaos and OrderUral Regional School Programming Contest 20122351210

1419Maps of the Island WorldsUSU Championship 20054131218

1511Fiscal OperationsTimus Top Coders: Third Challenge3791218

1996Cipher Message 3NEERC 2013 Eastern Subregional2121219

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3861227

1948The Robot on the LineUral FU Personal Contest 20122271230

2157SkydivingUral School Programming Contest 2020751230

1970皇后像廣場Ural FU Personal Contest 20132171231

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2931233

1458War GamesTimus Top Coders: Second Challenge3931234

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2291243

1544Classmates 3Ural Championship 20073611244

1703Robotic ArmUral Championship 20093101244

1177Like ComparisonsUSU Personal Contest 20023891245

1862Very Wealthy MoleUral FU Championship 20112501248

1487Chinese FootballUSU Championship 20063701264

1687Numismatics for FunUSU Personal Contest 20093061269

1171Lost in SpaceRomanian Online Contest December 20013801271

1360Philosophical DisputeUral Championship 2005. Round 23951272

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest3081274

1976Game OptimizationUral Championship 20132061280

1307ArchiverUral Championship 2004. Round 13871285

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3641288

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2431289

1538Towers of GuardUSU Personal Contest 20073511292

2159EssayUral School Programming Contest 2021321297

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3021304

1979Resources DistributionUral Championship 20132011311

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141461313

1907Coffee and BunsUral Championship 20122151322

2017Best of a bad lotNEERC 2014 Eastern Subregional1761326

2171Two Progressions 2Ural School Programming Contest 2022311326

1722Observation DeckUral Regional School Programming Contest 20092771330

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2351331

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team Contest951340

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2681344

1321Floor IndicatorUral Championship 2004. Round 23691346

1035Cross-stitchUral Championship 199911201349

1097Square Country 2USU Local Contest. March 20019331356

1790Searching for the TruthUral Regional School Programming Contest 20102491361

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161362

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3331363

1766Humpty DumptyUral Championship 20102581371

1669Universal WordPetrozavodsk Winter 2008. USU Contest2861375

1347BlogSpring School Contest 20053641377

1281River BasinNEERC 2003 Central Subregional3581379

1065FrontierNEERC 200010041393

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3611393

1318LogarithmUral Championship 2004. Round 23541402

1328FireballAutumn School Contest 20043551405

1240Heroes of Might and MagicNEERC 20023441418

2118Cipher Message 4Petrozavodsk Summer 2018. umnik_team Contest891421

1050Preparing an ArticleUSU Local Contest. March 200010381426

2163InterviewUral School Programming Contest 2021281430

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2301434

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3151439

1879GOV-internship 2Ural Regional School Programming Contest 20112151440

1345HTMLUSU Championship 20043471441

2132Graph Decomposition. Version 2Later is better than never841448

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102331450

1311Stable ConstructionUral Championship 2004. Round 13401457

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2121457

1949The Best Picture in the GalaxyUral FU Personal Contest 20121901457

1266Kirchhoff's LawUSU Championship 20033381458

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301464

1499KerchiefsAutumn School Contest 20063161472

2059Not common palindromesPalindromic Contest 1451474

2055Urban GeographyUral Championship 20151481475

1170DesertRomanian Online Contest December 20013251480

1378Artificial IntelligenceUral Championship 2005. Round 13391480

1449Credit Operations 2Timus Top Coders: Second Challenge3261480

1686Photovoltaic SpaceshipUSU Personal Contest 20092601485

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2471487

2107Oppa Funcan StyleUral FU Junior Championship 20161211499

1251Cemetery ManagerUSU Local Contest. March 20033251504

2052Physical EducationUral Championship 20151441513

1412Autumn TideUSU Championship 20053301515

1657Cube SnakeNEERC 2008 Eastern Subregional2611517

1299PsyloniansSpring School Contest 20043231530

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2621536

1265MirrorUSU Championship 20033191542

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest2011547

2158Two progressionsUral School Programming Contest 2021251552

2170Experiment with Juice 2Ural School Programming Contest 2022251554

1337BureaucracyAutumn School Contest 20043191559

1488ACM PokerUSU Championship 20062961570

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2471576

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest2071586

2134StampmanLater is better than never751602

1983Nectar GatheringUral FU Championship 20131591605

1968Glass PyramidUral FU Personal Contest 20131641607

2126Partition into TeamsPetrozavodsk Summer 2018. umnik_team Contest771617

1285Thread in a HyperspaceUSU Personal Contest 20043041622

1043Cover an ArcUSU Championship 20009201627

1508Japanese PuzzleNEERC 2006 Eastern Subregional2831633

1568Train Car SortingUSU Championship 20072611646

2164BookmakerUral School Programming Contest 2021231650

1762Search for a Hiding-PlaceUSU Personal Contest 20102131658

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2151661

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1361674

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2791682

1947MeanderUral FU Personal Contest 20121631685

1241Inlay CuttersNEERC 20022871692

1770The Party of Ural ChampionsUral Championship 20102051708

1397Points Game2721709

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1801716

1148Building TowersDSAP Vietnam Online Contest November 20012761731

1267Yekaterinburg SubwayUSU Championship 20032831732

1503PolynomialNEERC 2006 Eastern Subregional2661733

2101Knight's ShieldUral FU Junior Championship 20161031738

1425Queen 2Timus Top Coders: First Challenge2801739

1485Football and LieUSU Championship 20062661741

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2861746

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2221746

1257HyphenationAutumn School Contest 20032791755

2165Cake CutterUral School Programming Contest 2021211755

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2551764

2120Tree Average WeightPetrozavodsk Summer 2018. umnik_team Contest691781

2058100500 palidnromesPalindromic Contest 1181785

1514National ParkTimus Top Coders: Third Challenge2551787

1764TranssibUral Championship 20101951792

1338AutomobilesUSU Championship 20042761799

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2381804

1565The Duel for ThreeUSU Championship 20072371806

1062TriathlonNEERC 20007681814

1516NostalgiaTimus Top Coders: Third Challenge2511815

2147City BuildingUral School Programming Contest 2019621822

1946Chinese Hockey 3Ural FU Personal Contest 20121491833

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1511845

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest2091850

1315MDPAR and MIIARUral Championship 2004. Round 12641862

1670AsteriskPetrozavodsk Summer 2008. USU Contest2061875

1046Geometrical DreamsUSU Local Contest. March 20007861878

1655Somali PiratesNEERC 2008 Eastern Subregional2081886

2007Mutants versus MachinesUral Regional School Programming Contest 20131331886

1420Integer-Valued Complex DivisionUSU Championship 20052631887

1583CheeseNEERC 2007 Eastern Subregional2251890

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1381892

2085Magic ProgrammerUral Championship 2016991900

1304ParallelepipedUral Championship 19982571910

1985Prime SquareUral FU Championship 20131321910

1739FaryuksUSU Championship 20091891912

1599Winding Number1061927

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012461934

1707Hypnotoad's SecretUral Championship 20091951941

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711941

2166Two RoadsUral School Programming Contest 2022181942

1417Space Poker 2USU Championship 20052541951

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541952

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1971966

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1651966

1093DartsUSU Local Contest. March 20016381974

1396Maximum. Version 22401981

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1951985

1492Vasya's Dad 2Autumn School Contest 20062311991

1610CactusesUral Championship 20082061991

2169City Building 2Ural School Programming Contest 2022172014

1075Thread in a SpaceUSU Personal Contest 20016702018

1950Martian FarmlandsUral FU Personal Contest 20121342024

1532Lost in TranslationUSU Personal Contest 20072192036

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1352049

1187Statistical TroubleNEERC 20012312063

1833Hopes of RowingUral Championship 20111532069

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1702076

1782Jack's New WordUral SU Championship 20101602076

1615Tram SolitaireUral Championship 20081972078

1216Two Pawns and One KingUSU Championship 20022312080

1597Chernobyl’ Eagle on a Roof. Version 21102085

1886Trip 2NEERC 2011 Eastern Subregional1452086

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1692087

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest1072088

1802Cube PuzzleNEERC 2010 Eastern Subregional1582091

1908Brute-force SearchUral Championship 20121322095

1781Clean CodeUral SU Championship 20101572113

1074Very Short ProblemUSU Personal Contest 20016382118

1841CablewaysPetrozavodsk Summer 2010. USU Contest1442120

1455Freedom of SpeechTimus Top Coders: Second Challenge2242125

1895Steaks on BoardNEERC 2011 Eastern Subregional1412141

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2232152

1541ChaseUSU Personal Contest 20072062159

1188LibraryNEERC 20012202162

1734Endgame DatabaseUSU Championship 20091652174

1543Dance RevolutionUral Championship 20072012188

1063Domino PuzzleNEERC 20006302205

1717Eligibility RulesNEERC 2009 Eastern Subregional1632209

1504Good MannersNEERC 2006 Eastern Subregional2052225

1634Spider MiteUSU Championship 20081752232

2133Terms of referenceLater is better than never502269

2136John vs SantaLater is better than never502269

1702CrossroadUral Championship 20091652274

1256Cemetery GuardUSU Local Contest. March 20032112279

1757Gold BarsUSU Personal Contest 20101522282

2097Snowboarding on SpilnayaUral FU Personal Contest 2014792302

1092TransversalUSU Local Contest. March 20015452304

1395Pascal vs. C++. Version 22032331

1288AstrolocationUSU Personal Contest 20042082337

1831Tsyfirkin's LessonUral Championship 20111342342

1481Winning ChancesUSU Championship 20061942355

1284Space PokerUSU Personal Contest 20042062358

1232Asteroid LandingNEERC 2002 Central Subregional2022365

1549Another Japanese PuzzleUral Championship 20071852367

1275Knights of the Round TableNEERC 2003 Central Subregional2042372

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest932372

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1082373

2154Flight on a CannonballUral School Programming Contest 2020342377

1270UnicubeUSU Championship 20032022393

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1312441

1977Energy WallUral Championship 20131032448

1520Empire Strikes BackTimus Top Coders: Third Challenge1832454

1368Goat in the Garden 3Ural Championship 2005. Round 21992466

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1212489

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1212492

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1022500

1867NanotechnologiesUral FU Championship 20111192515

1839The MentaculusUral Championship 20111232535

1454Rectangles 2Timus Top Coders: Second Challenge1832576

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest842599

1429BiscuitsTimus Top Coders: First Challenge1802654

1798Fire Circle. Version 2752671

1758Bald Spot Revisited 2USU Personal Contest 20101262718

2168Runes in the FieldUral School Programming Contest 2022102719

1850Space TourismPetrozavodsk Summer 2010. USU Contest1102720

1652Banking CrisisNEERC 2008 Eastern Subregional1412723

2083The Guardian of TraditionsUral Championship 2016652761

1882Old NokiaUral Regional School Programming Contest 20111072768

1058ChocolateNEERC 2000 Central Subregional5222797

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015662814

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1122821

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1312835

1308Dean's PyramidUral Championship 2004. Round 11692850

1969Hong Kong TramUral FU Personal Contest 2013882852

1300TaxesUral Championship 19981682864

1735Theft of the CenturyUSU Championship 20091222882

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1452886

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1282897

1609Tram TileUral Championship 20081382906

1464LightPetrozavodsk Winter 2006. USU Contest1572910

1505Oil TransferNEERC 2006 Eastern Subregional1532935

1367Top SecretUral Championship 2005. Round 21622996

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1503011

1312TrayUral Championship 2004. Round 11593018

1438Time Limit ExceededUSU Personal Contest 20061563029

2096All InclusiveUral FU Personal Contest 2014573058

1566Triangular PostcardsUSU Championship 20071353076

1482Triangle GameUSU Championship 20061463080

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1223083

1239Ghost BustersNEERC 20021523099

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest1013100

20503D-modelingUral Championship 2015653107

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection803112

141140 Islands KnightsUSU Championship 20051553122

1835Swamp DoctorUral Championship 2011983122

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1233141

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1233141

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093212

1978E-LiteUral Championship 2013763216

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1413218

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143224

1442Floo PowderUral Championship 20061443246

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team Contest333272

1829Routing TablesUSU Personal Contest 2011943273

2049ChemistryUral Championship 2015613282

1704DemodulationUral Championship 20091113289

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803301

1637Triangle Game 2USU Championship 20081153303

1865The Island of MärketUral FU Championship 2011883310

1945Many-armed BrothersUral FU Personal Contest 2012783312

1199Mouse1293397

1972Game TestingUral Championship 2013703457

1509Domino RecognitionNEERC 2006 Eastern Subregional1273492

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1373515

2061OEIS A216264Palindromic Contest 553515

1166Funny Card GameNEERC 2001 Northern Subregional1323572

2053BiologyUral Championship 2015543641

1681Brother Bear's GardenUSU Personal Contest 2009993678

2022Riding a ToadNEERC 2014 Eastern Subregional573682

2084Technical debtUral Championship 2016463698

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283702

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest903736

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1143770

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection643784

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest763791

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973803

2057Non-palidromic cuttingPalindromic Contest 503808

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest753835

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1143885

2006Kirill the GardenerUral Regional School Programming Contest 2013593909

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613944

2051PhysicsUral Championship 2015493950

1616Square Country 4Ural Championship 2008983982

2087TrainsUral Championship 2016423983

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest514006

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094048

2139Experiment with JuiceUral School Programming Contest 2019224100

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694132

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest734146

1765Error 404Ural Championship 2010784174

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1134201

1460WiresPetrozavodsk Winter 2006. USU Contest1054226

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest674234

1163ChapaevNEERC 2001 Northern Subregional1074236

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest944301

1778Chinese Hockey 2Ural SU Championship 2010724304

1847ZamkadyePetrozavodsk Summer 2010. USU Contest654353

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional584368

1909Space ReconUral Championship 2012584376

2122HammingPetrozavodsk Summer 2018. umnik_team Contest224396

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest454443

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844444

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest674469

1632LasersUSU Championship 2008824488

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564501

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974502

1344Gigantic TurnipUSU Championship 20041044514

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest624534

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest824540

1733Forgotten TechnologyUSU Championship 2009734583

1598DSA Attack444601

1271Sailing DirectionsUSU Championship 20031004613

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest784624

1848Fly HuntPetrozavodsk Summer 2010. USU Contest604664

1834Tennis RacketUral Championship 2011624683

1594Aztec Treasure734738

1938Caribbean TriangleUral FU Championship 2012524767

1975Model of the EarthUral Championship 2013474852

1799Sasha and swag strings364855

1365Testing CalculatorUral Championship 2005. Round 2964862

1041NikiforUSU Championship 20002974928

1340CucarachaUSU Championship 2004934996

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest925066

1426RectanglesTimus Top Coders: First Challenge885146

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715157

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest815294

2079Memory leaksUral Championship 2016295310

1763Expert FleaUral Championship 2010595324

1797Summit Online Judge. Version 2465338

1363HalftonesUral Championship 2005. Round 2865368

2090Crossroads of DestinyUral FU Personal Contest 2014285391

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855439

2131Open CupLater is better than never155446

2086Find DenisUral Championship 2016285450

1801The Revolution CupNEERC 2010 Eastern Subregional545489

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection415491

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest625552

1973Location GeneratorUral Championship 2013395645

1967Programmer CasinoUral FU Personal Contest 2013395705

1668Death Star 2Petrozavodsk Winter 2008. USU Contest605813

2137Dynamic string complexityLater is better than never135919

1897Alice and Bob and a string165952

1372Death StarUral Championship 2005. Round 1766008

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest306108

1674Drunk KingPetrozavodsk Summer 2008. USU Contest566138

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566138

1771A Deputy's MorningUral Championship 2010496226

2094Thousand ImpsUral FU Personal Contest 2014226402

2088Nostalgic EveningUral Championship 2016226438

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest526563

1842Local RootsPetrozavodsk Summer 2010. USU Contest396662

1653Death ConveyorNEERC 2008 Eastern Subregional516739

1999The secret moduleNEERC 2013 Eastern Subregional306767

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487088

1536Delights of Pipe-weedUSU Personal Contest 2007557174

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377322

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest337581

1906The Lost CivilizationUral Championship 2012297629

2077ReductionsQualification of Eastern Subregional 2015187638

2054AstronomyUral Championship 2015207768

1432Twofold LuckUSU Personal Contest 2006547858

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest437881

2076VasianaQualification of Eastern Subregional 2015177921

2082PokerUral Championship 2016158268

1840Victim of AdvertisingUral Championship 2011308430

2016Magic and ScienceNEERC 2014 Eastern Subregional198506

1415Mobile LifeUSU Championship 2005469198

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389318

1596Knight Mare239500

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379516

1376Dean's Pyramid 2Ural Championship 2005. Round 1449568

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439750

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429937

1399Economical Director3410728

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2710804

1374MisereUral Championship 2005. Round 13710993

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1511200

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611252

1708Sum of Digits 2Ural Championship 20092511369

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2612986

1369Cockroach RaceUral Championship 2005. Round 22913213

1548Sakura and StatisticsUral Championship 20072114891

1589SokobanNEERC 2007 Eastern Subregional1915312

1394Ships. Version 22315659

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2216148