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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7116218

1001Reverse Root2028618

1785Lost in LocalizationUral Regional School Programming Contest 20101173418

1293EniyaSpring School Contest 20041943421

1409Two GangstersAutumn School Contest 20051867222

1877Bicycle CodesUral Regional School Programming Contest 2011810522

2012About Grisha N.NEERC 2014 Eastern Subregional383323

1820Ural SteaksUSU Personal Contest 2011746827

1787Turn for MEGAUral Regional School Programming Contest 2010740629

2001Mathematicians and BerriesUral Regional School Programming Contest 2013398329

1264WorkdaysAutumn School Contest 20031349930

1197Lonesome KnightSpring School Contest 20021216132

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011566732

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional433334

1639Chocolate 2Autumn School Contest 2008799436

1924Four ImpsUral Regional School Programming Contest 2012402837

1313Some Words about SportUral Championship 2004. Round 1989841

2023Donald is a postmanNEERC 2014 Eastern Subregional213941

1068Sum2536943

12091, 10, 100, 1000...Autumn School Contest 2002923543

1319HotelUral Championship 2004. Round 2919944

1567SMS-spamUSU Championship 2007749044

1225FlagsNEERC 2002 Central Subregional881845

1581TeamworkAutumn School Contest 2007726845

1263ElectionsAutumn School Contest 2003833448

2066Simple ExpressionUral Regional School Programming Contest 2015122048

1585PenguinsNEERC 2007 Eastern Subregional667849

1876Centipede's MorningUral Regional School Programming Contest 2011354851

1991The battle near the swampNEERC 2013 Eastern Subregional232151

1100Final StandingsTetrahedron Team Online Contest May 2001742352

1327FusesAutumn School Contest 2004770453

1881Long problem statementUral Regional School Programming Contest 2011334754

1893A380NEERC 2011 Eastern Subregional328055

1243Divorce of the Seven DwarfsUSU Personal Contest 2003712056

1493One Step from HappinessAutumn School Contest 2006658456

1110PowerBulgarian Online Contest September 2001680457

1349FarmSpring School Contest 2005712358

1607TaxiUSU Personal Contest 2008536558

1496SpammerAutumn School Contest 2006614560

1545HieroglyphsUral Championship 2007569861

1925British Scientists Save the WorldUral Regional School Programming Contest 2012240262

1636Penalty TimeUSU Championship 2008458563

1837Isenbaev's NumberUral Championship 2011313063

1196History ExamSpring School Contest 2002612564

1149Sinus Dances593666

1654Cipher MessageNEERC 2008 Eastern Subregional433066

1723Sandro's BookUral Regional School Programming Contest 2009373467

2002Test TaskUral Regional School Programming Contest 2013172567

1563BayanUSU Championship 2007481768

1617Flat SpotsUral Championship 2008454868

2035Another Dress RehearsalUral Regional School Programming Contest 2014125569

1131CopyingUSU Championship 2001552270

1025Democracy in DangerAutumn School Contest 20001671271

1457Heating MainTimus Top Coders: Second Challenge549871

1224SpiralNEERC 2002 Central Subregional548972

2005Taxi for ProgrammersUral Regional School Programming Contest 2013159973

1792Hamming CodeUral Regional School Programming Contest 2010288675

1083Factorials!!!Spring School Contest 20011382276

1712Cipher GrilleNEERC 2009 Eastern Subregional326377

1935Tears of DrownedUral FU Championship 2012191177

2011Long StatementUral Regional School Programming Contest 2013147878

2031Overturned NumbersUral Regional School Programming Contest 2014109979

1502Domino DotsNEERC 2006 Eastern Subregional458680

1139City BlocksNEERC 2001 Central Subregional473482

1194HandshakesSpring School Contest 2002479582

1106Two TeamsTetrahedron Team Online Contest May 2001462683

1290SabotageSpring School Contest 2004485484

1638BookwormUSU Championship 2008344984

1120Sum of Sequential NumbersAutumn School Contest 2001453485

1404Easy to Hack!Autumn School Contest 2005487585

1119MetroAutumn School Contest 2001441088

1180Stone GameUSU Personal Contest 2002442888

1601AntiCAPSUSU Personal Contest 2008338792

1902Neo-VeniceUral Championship 2012163192

2068Game of NutsUral Regional School Programming Contest 201563492

1297PalindromeSpring School Contest 2004434693

1005Stone PileUSU Championship 19971279094

1161StripiesNEERC 2001 Northern Subregional414594

1510OrderNEERC 2006 Eastern Subregional393294

1796Amusement ParkUral Regional School Programming Contest 2010228694

1146Maximum SumDSAP Vietnam Online Contest November 2001408595

16421D MazeAutumn School Contest 2008300596

2025Line FightingUral Regional School Programming Contest 201490896

2033DevicesUral Regional School Programming Contest 201490096

1446Sorting HatUral Championship 2006407097

2056ScholarshipUral Championship 201573497

1009K-based NumbersUSU Championship 19971218298

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001392898

1644A Whole Lot of WalnutsAutumn School Contest 2008294098

1731DillUral Regional School Programming Contest 2009256598

1786Sandro's BiographyUral Regional School Programming Contest 2010220198

1370MagicianUral Championship 2005. Round 2415399

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131151100

1203Scientific ConferenceUSU Local Contest. March 20023798103

1214Strange ProcedureAutumn School Contest 20023857103

1136ParliamentNEERC 2001 Central Subregional3731104

1118Nontrivial NumbersAutumn School Contest 20013702105

1228ArrayNEERC 2002 Central Subregional3759105

1020RopeAutumn School Contest 200011238106

1873GOV ChroniclesUral Regional School Programming Contest 20111686107

1014Product of DigitsUSU Local Contest. 199911116108

1777AnindilyakwaUral SU Championship 20102009108

1296HyperjumpSpring School Contest 20043733109

1573AlchemyAutumn School Contest 20073005109

1330IntervalsAutumn School Contest 20043727110

1082Gaby IvanushkaSpring School Contest 20019190114

1126Magnetic StormsUSU Championship 20013407114

1192Ball in a DreamSpring School Contest 20023417114

1079MaximumWinter Mathematical Festival Varna 20019205115

1226esreveR redrONEERC 2002 Central Subregional3390117

1582BookmakersNEERC 2007 Eastern Subregional2791117

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional748117

1044Lucky Tickets. Easy!USU Championship 20009997118

1219Symbolic SequenceUSU Championship 20023289120

1086CryptographySpring School Contest 20018670121

1711Code NamesNEERC 2009 Eastern Subregional2078121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023202122

1353Milliard Vasya's FunctionSpring School Contest 20053388122

2018The Debut AlbumNEERC 2014 Eastern Subregional719122

2000Grand Theft Array VUral Regional School Programming Contest 2013932124

1123SalaryAutumn School Contest 20013099125

1260Nudnik PhotographerAutumn School Contest 20033174127

1283DwarfUSU Personal Contest 20043157128

1336Problem of Ben BetsalelAutumn School Contest 20043198128

1683FridgeUSU Personal Contest 20092128129

1688Team.GOV!USU Personal Contest 20092119129

1868Prediction ContestUral FU Championship 20111387131

1725Sold Out!Ural Regional School Programming Contest 20091895132

1982Electrification PlanUral FU Championship 2013870135

1022Genealogical TreeAutumn School Contest 20008771136

1352Mersenne PrimesSpring School Contest 20053017137

1964Chinese DialectsUral FU Personal Contest 2013919138

1021Sacrament of the SumAutumn School Contest 20008561139

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101538140

1931Excellent TeamUral FU Championship 20121047140

1222Chernobyl’ EaglesUSU Championship 20022802141

1402CocktailsAutumn School Contest 20052932141

1740Deer is Better!USU Championship 20091744143

1612Tram ForumUral Championship 20082146144

1026Questions and AnswersAutumn School Contest 20008250145

1142RelationsDSAP Vietnam Online Contest November 20012671145

1178Akbardin’s RoadsUSU Personal Contest 20022648147

1576Telephone TariffsAutumn School Contest 20072232147

1864Get-Together at Den'sUral FU Championship 20111234147

1984Dummy GuyUral FU Championship 2013798147

1084Goat in the GardenSpring School Contest 20017104148

1821BiathlonUSU Personal Contest 20111358148

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional773151

2073Log FilesUral Regional School Programming Contest 2015382151

1572Yekaterinozavodsk Great WellAutumn School Contest 20072133154

1167Bicolored HorsesRomanian Online Contest December 20012498155

2069Hard RockUral Regional School Programming Contest 2015371155

1210Kind SpiritsAutumn School Contest 20022537156

1756One and a Half DiggersUSU Personal Contest 20101501157

1073Square CountryUSU Personal Contest 20016724159

1306Sequence MedianUral Championship 19982555159

1709Penguin-AviaUral Championship 20091692160

1295Crazy NotionsSpring School Contest 20042517161

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional914162

1017StaircasesUSU Local Contest. 19997315163

1135RecruitsNEERC 2001 Central Subregional2354165

1157Young TilerUral Championship 2001. Round 22352165

1878Rubinchik's CubeUral Regional School Programming Contest 20111097165

1280Topological SortingNEERC 2003 Central Subregional2429166

1613For Fans of StatisticsUral Championship 20081845167

1874Football GoalUral Regional School Programming Contest 20111082167

1506Columns of NumbersNEERC 2006 Eastern Subregional2193168

1354Palindrome. Again PalindromeSpring School Contest 20052440169

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional869170

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional511170

1213Cockroaches!Autumn School Contest 20022309171

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101259171

1272Non-Yekaterinburg SubwayUSU Championship 20032342172

1012K-based Numbers. Version 26916173

1944Record of the Attack at the OrbitUral FU Personal Contest 2012815173

1586Threeprime NumbersNEERC 2007 Eastern Subregional1867175

1769Old Ural LegendUral Championship 20101331175

1640Circle of WinterAutumn School Contest 20081633176

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1582176

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091419176

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1045176

1800Murphy's LawNEERC 2010 Eastern Subregional1208177

1335White ThesisAutumn School Contest 20042303178

1413Mars JumperUSU Championship 20052313178

1685OrthographyUSU Personal Contest 20091539178

1930Ivan's CarUral Regional School Programming Contest 2012829178

1134CardsNEERC 2001 Central Subregional2158179

1193Queue at the ExamSpring School Contest 20022174179

1789Searching for the DodecahedronUral Regional School Programming Contest 20101182182

1048Superlong SumsUSU Local Contest. March 20006347183

1102Strange DialogTetrahedron Team Online Contest May 20012096183

1869New Year CruiseUral FU Championship 2011971186

1133Fibonacci SequenceNEERC 2001 Central Subregional2067187

1207Median on the PlaneUSU Local Contest. March 20022080188

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1511189

1114BoxesBulgarian Online Contest September 20012030190

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional457190

1645Ski RaceAutumn School Contest 20081497191

1164FillwordNEERC 2001 Northern Subregional2017192

1208Legendary Teams ContestUSU Local Contest. March 20022004195

1885Passenger ComfortNEERC 2011 Eastern Subregional920195

1152False MirrorsUral Championship 2001. Round 21972197

1680The First NonqualifyingUSU Personal Contest 20091390197

1423String TaleTimus Top Coders: First Challenge2017198

2065Different SumsUral Regional School Programming Contest 2015288198

1138Integer PercentageNEERC 2001 Central Subregional1948199

1023ButtonsAutumn School Contest 20005948200

1112CoverBulgarian Online Contest September 20011928200

1348Goat in the Garden 2Spring School Contest 20052010205

1987Nested SegmentsUral FU Championship 2013560208

1249Ancient NecropolisUSU Local Contest. March 20031892210

1494MonobilliardsAutumn School Contest 20061755210

1002Phone NumbersCentral European Olympiad in Informatics 19995654212

2024Adventure TimeUral Regional School Programming Contest 2014403212

2070Interesting NumbersUral Regional School Programming Contest 2015268212

1200Horns and HoofsUSU Local Contest. March 20021823214

1490Fire CircleAutumn School Contest 20061706216

1183Brackets SequenceNEERC 20011780219

1515CashmasterTimus Top Coders: Third Challenge1650219

1635Mnemonics and PalindromesUSU Championship 20081302221

1052Rabbit HuntUSU Local Contest. March 20005254222

1491Unreal StoryAutumn School Contest 20061653223

1011ConductorsUSU Championship 19975334224

1737Mnemonics and Palindromes 3USU Championship 20091105225

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015252225

1125HopscotchUSU Championship 20011714226

1033LabyrinthUral Championship 19995219228

1795Husband in a ShopUral Regional School Programming Contest 2010937229

1242WerewolfUSU Personal Contest 20031726230

1333Genie Bomber 2Autumn School Contest 20041775230

1049Brave BalloonistsUSU Local Contest. March 20004949235

1204IdempotentsUSU Local Contest. March 20021657235

1122GameAutumn School Contest 20011638236

1889Airport AnnouncementsNEERC 2011 Eastern Subregional760236

1922Superhero TeamUral Regional School Programming Contest 2012618237

1150Page NumbersUral Championship 2001. Round 21626238

1826MinefieldUSU Personal Contest 2011839238

1355Bald Spot RevisitedSpring School Contest 20051719239

1191Catch the thief!Spring School Contest 20021621240

1205By the Underground or by Foot?USU Local Contest. March 20021621240

1303Minimal CoverageUral Championship 19981680241

2067Friends and BerriesUral Regional School Programming Contest 2015233243

1247Check a SequenceUSU Personal Contest 20031617245

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1684245

1108HeritageBulgarian Online Contest September 20011568246

1603EruditeUSU Personal Contest 20081257248

2003Simple MagicUral Regional School Programming Contest 2013460248

1998The old PadawanNEERC 2013 Eastern Subregional464249

1113JeepBulgarian Online Contest September 20011544250

1298KnightSpring School Contest 20041590254

1433DiamondsUSU Personal Contest 20061560254

1109ConferenceBulgarian Online Contest September 20011515255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014140256

1010Discrete FunctionUSTU PhysTech Cup 20004655257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1372258

1718RejudgeNEERC 2009 Eastern Subregional971258

1195Ouths and CrossesSpring School Contest 20021505259

1590Bacon’s CipherNEERC 2007 Eastern Subregional1254259

1080Map ColoringWinter Mathematical Festival Varna 20014081260

1779The Great TeamUral SU Championship 2010812264

2021Scarily interesting!NEERC 2014 Eastern Subregional326264

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031492266

1658Sum of DigitsNEERC 2008 Eastern Subregional1071266

1823Ideal GasUSU Personal Contest 2011746267

1028StarsUral Championship 19994442268

1684Jack's Last WordUSU Personal Contest 20091013269

1087The Time to Take StonesSpring School Contest 20013892270

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1374270

1220StacksUSU Championship 20021453271

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012540271

1981Parallel and PerpendicularUral FU Championship 2013427271

1179Numbers in TextUSU Personal Contest 20021421273

1726VisitsUral Regional School Programming Contest 2009910274

1117HierarchyAutumn School Contest 20011395276

1211Collective GuaranteeAutumn School Contest 20021424276

1047Simple CalculationsUSU Local Contest. March 20004200277

2034CaravansUral Regional School Programming Contest 2014305278

1537EntsUSU Personal Contest 20071254280

1741Communication FiendUSU Championship 2009886280

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest857280

1244GentlemenUSU Personal Contest 20031408282

1933Guns for Battle!Ural FU Championship 2012510284

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1289287

1032Find a MultipleUral Championship 19993587289

1501Sense of BeautyNEERC 2006 Eastern Subregional1257291

1753BookshelfUSU Personal Contest 2010807291

1024PermutationsAutumn School Contest 20004075292

1018Binary Apple TreeUSU Local Contest. 19994063294

1184Cable MasterNEERC 20011324294

1377Lara CroftUral Championship 2005. Round 11405294

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest811295

1053PinocchioNEERC 2000 Central Subregional3925296

1497Cutting a SquareAutumn School Contest 20061237297

1036Lucky Tickets3960300

1551Sumo TournamentUral Championship 20071153300

1989SubpalindromesUral FU Championship 2013383301

1013K-based Numbers. Version 3293304

1992CVSNEERC 2013 Eastern Subregional376305

1215Exactness of Projectile HitAutumn School Contest 20021280307

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional692307

1127Colored BricksUSU Championship 20011252308

1934Black SpotUral FU Championship 2012468309

2046The First Day at SchoolUral Championship 2015224309

1124MosaicUSU Championship 20011243310

1116Piecewise Constant FunctionAutumn School Contest 20011235312

1190Bar of ChocolateSpring School Contest 20021245312

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014271312

1153SupercomputerUral Championship 2001. Round 21236313

1137Bus RoutesNEERC 2001 Central Subregional1224315

1793Tray 2Ural Regional School Programming Contest 2010673317

1941Scary Martian WordUral FU Personal Contest 2012441317

1227Rally ChampionshipNEERC 2002 Central Subregional1240318

1294Mars SatellitesSpring School Contest 20041270318

1904The Lessons of the PastUral Championship 2012462318

1588JamaicaNEERC 2007 Eastern Subregional1015320

1008Image EncodingUSTU PhysTech Cup 20003680325

1121BranchesAutumn School Contest 20011184325

1320Graph DecompositionUral Championship 2004. Round 21240326

1302Delta-waveUral Championship 19981236327

1521War Games 2Timus Top Coders: Third Challenge1100327

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest820330

1029MinistryUral Championship 19993118332

1604Country of FoolsUSU Personal Contest 2008926335

1185WallNEERC 20011155336

1201Which Day Is It?USU Local Contest. March 20021152337

1450Russian PipelinesTimus Top Coders: Second Challenge1150338

1517Freedom of ChoiceTimus Top Coders: Third Challenge1064338

1406Next NumberAutumn School Contest 20051214339

1218Episode N-th: The Jedi TournamentUSU Championship 20021158340

1060Flip GameNEERC 20003228341

1156Two RoundsUral Championship 2001. Round 21131342

2026Dean and ScheduleUral Regional School Programming Contest 2014246342

1160NetworkNEERC 2001 Northern Subregional1148343

1648YachtsAutumn School Contest 2008832343

1346Intervals of MonotonicityUSU Championship 20041190344

1223Chernobyl’ Eagle on a RoofUSU Championship 20021135347

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional328349

1431DiplomasUSU Personal Contest 20061128350

1031Railway TicketsUral Championship 19993371352

1090In the Army NowUSU Local Contest. March 20012827353

1282Game TreeNEERC 2003 Central Subregional1137353

2047MathsUral Championship 2015194354

1651Shortest SubchainNEERC 2008 Eastern Subregional800355

1140Swamp IncidentNEERC 2001 Central Subregional1080357

1261TipsAutumn School Contest 20031119358

1246Tethered DogUSU Personal Contest 20031098360

1262Pseudo-Roman NumberAutumn School Contest 20031113360

1483Table FootballUSU Championship 20061023360

1007Code WordsUSU Championship 19973296363

1292Mars Space StationsSpring School Contest 20041110363

1828Approximation by a ProgressionUSU Personal Contest 2011547363

1901Space ElevatorsUral Championship 2012403364

1574Mathematicians and bracketsAutumn School Contest 2007888366

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest957368

1055CombinationsNEERC 2000 Central Subregional3108373

1403CourierAutumn School Contest 20051103373

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional228373

1495One-two, One-two 2Autumn School Contest 2006981374

1995Illegal spicesNEERC 2013 Eastern Subregional304375

1141RSA Attack1024377

1176HyperchannelsUSU Personal Contest 20021029377

1783Nuclear Arms RaceUral SU Championship 2010566377

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest480377

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional472377

1078SegmentsWinter Mathematical Festival Varna 20012799378

1759Long-LiversUSU Personal Contest 2010616379

1039Anniversary PartyUSU Championship 20003086381

1229Strong BrickworkNEERC 2002 Central Subregional1029382

1356Something EasierSpring School Contest 20051072382

1259How to Become Star?Autumn School Contest 20031040385

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest619385

1963KiteUral FU Personal Contest 2013324385

1923Scary PoliticsUral Regional School Programming Contest 2012375387

1279WarehouseNEERC 2003 Central Subregional1032388

1003ParityCentral European Olympiad in Informatics 19993078389

1289One Way TicketUSU Personal Contest 20041032390

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014214391

2063Black and WhiteUral Regional School Programming Contest 2015141391

1115ShipsBulgarian Online Contest September 2001981392

1631Drunk King 2USU Championship 2008730392

1562GM-pineappleUSU Championship 2007827394

1217Unlucky TicketsUSU Championship 2002994395

2030Awesome Backup SystemUral Regional School Programming Contest 2014212395

1111SquaresBulgarian Online Contest September 2001971396

1489Points on a ParallelepipedAutumn School Contest 2006926396

1860FiborialPetrozavodsk Summer 2011. USU Contest456396

1407One-two, One-twoAutumn School Contest 20051036397

1774Barber of the Army of MagesUral SU Championship 2010537397

1287Mars CanalsUSU Personal Contest 20041010399

1015Test the Difference!USU Local Contest. 19992979400

1427SMSTimus Top Coders: First Challenge992400

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest693402

1343Fairy TaleUSU Championship 20041009405

1094E-screenUSU Local Contest. March 20012451407

1350CanteenSpring School Contest 20051000409

1107Warehouse ProblemTetrahedron Team Online Contest May 2001929411

1077Travelling Tours934412

1732Ministry of TruthUSU Championship 2009598412

1252Sorting the TombstonesUSU Local Contest. March 2003958413

1221Malevich Strikes Back!USU Championship 2002947415

1602ElevatorUSU Personal Contest 2008745416

1128Partition into GroupsUSU Championship 2001923417

1291Gear-wheelsSpring School Contest 2004963418

1507Difficult DecisionNEERC 2006 Eastern Subregional866421

1571InterpretersUSU Championship 2007774421

1038Spell CheckerUSU Championship 20002790422

1513Lemon TaleTimus Top Coders: Third Challenge847424

1700AwakeningUral Championship 2009629425

1480CouponsUSU Championship 2006863426

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001903427

1942Attack at the OrbitUral FU Personal Contest 2012325427

1181Cutting a Painted PolygonUSU Personal Contest 2002905428

1519Formula 1Timus Top Coders: Third Challenge839428

1089Verification with a VocabularySpring School Contest 20012441430

1202Rectangles TravelUSU Local Contest. March 2002899431

2071Juice CocktailsUral Regional School Programming Contest 2015127431

1416ConfidentialUSU Championship 2005947432

1258PoolAutumn School Contest 2003917436

1019Line PaintingUSU Local Contest. 19992724438

1641DutiesAutumn School Contest 2008644441

1900Brainwashing DeviceUral Championship 2012329443

1776Anniversary FireworkUral SU Championship 2010474449

1643Attack of the Dark FortressAutumn School Contest 2008631450

1410CrackUSU Championship 2005908451

1890Money out of Thin AirNEERC 2011 Eastern Subregional392452

1129Door PaintingUSU Championship 2001848453

1051Simple Game on a GridUSU Local Contest. March 20002523460

1535The Hobbit or There and Back AgainUSU Personal Contest 2007755463

1238FoldingNEERC 2002844466

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional452466

1728Curse on Team.GOVUral Regional School Programming Contest 2009530467

1072RoutingUSU Personal Contest 20012284468

1155TroubleduonsUral Championship 2001. Round 2823468

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional310468

1189Pairs of IntegersNEERC 2001825469

1971Graphics SettingsUral Championship 2013256470

1273TieUSU Championship 2003835478

1091Tmutarakan ExamsUSU Local Contest. March 20012074480

1162Currency ExchangeNEERC 2001 Northern Subregional803480

2062Ambitious ExperimentUral Regional School Programming Contest 2015113480

1326Bottle TapsUral Championship 2004. Round 2836482

1329Galactic HistoryAutumn School Contest 2004842482

1428Jedi RiddleTimus Top Coders: First Challenge819483

1884Way to the UniversityUral Regional School Programming Contest 2011367483

1236Decoding TaskNEERC 2002812484

1316Electronic AuctionUral Championship 2004. Round 1831484

1401GamersAutumn School Contest 2005845486

1525PathPetrozavodsk Winter 2007. D.Gozman Contest720488

1103Pencils and CirclesTetrahedron Team Online Contest May 2001778489

1628White StreaksUSU Championship 2008581491

1095Nikifor 3USU Local Contest. March 20012008496

1579Coat TransportationAutumn School Contest 2007654496

1430Crime and PunishmentTimus Top Coders: First Challenge796497

1098Questions1905500

1212BattleshipAutumn School Contest 2002782501

1322SpyUral Championship 2004. Round 2804501

2074Timus problems classifierQualification of eastern subregional contest 201588501

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional493502

1891Language OceanNEERC 2011 Eastern Subregional351503

2048HistoryUral Championship 2015133506

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014163507

1158Censored!NEERC 2001 Northern Subregional757508

1066GarlandNEERC 20002157509

1870Zinium 2Ural FU Championship 2011349509

1871Seismic WavesUral FU Championship 2011349509

1182Team Them Up!NEERC 2001758510

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup243510

1980Road to InvestorUral Championship 2013235510

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014162510

1577E-mailAutumn School Contest 2007630514

1729Dead Man's ChestUral Regional School Programming Contest 2009480514

1056Computer NetNEERC 2000 Central Subregional2249515

1754Explosion in a PyramidUSU Personal Contest 2010451515

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest157515

1439Battle with You-Know-WhoUral Championship 2006753518

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest629519

1045Funny GameUSU Local Contest. March 20002219524

1069Prufer CodeUSU Personal Contest 20012038524

2004Scientists from SpilkovoUral Regional School Programming Contest 2013212526

1334CheckersAutumn School Contest 2004769527

2064CaterpillarsUral Regional School Programming Contest 2015102527

1600AirportUSU Personal Contest 2008584528

1366PresentsUral Championship 2005. Round 2770530

1414Astronomical DatabaseUSU Championship 2005770530

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional157532

1314Chase in SubwayUral Championship 2004. Round 1755533

2009Canteen LineUral Regional School Programming Contest 2013209533

1143Electric PathDSAP Vietnam Online Contest November 2001714538

1101Robot in the FieldTetrahedron Team Online Contest May 2001704540

1362Classmates 2Ural Championship 2005. Round 2749545

1928Another Ecology ProblemUral Regional School Programming Contest 2012263546

1400Cellular CharactersAutumn School Contest 2005750547

1534Football in GondorUSU Personal Contest 2007632552

1838Samurai's StrokeUral Championship 2011349552

1605Devil's SequenceUSU Personal Contest 2008554556

1004Sightseeing TripCentral European Olympiad in Informatics 19992145557

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005732557

1027D++ AgainAutumn School Contest 20002131558

1760Infernal WorkUSU Personal Contest 2010414560

1803The Czechs' RiflesNEERC 2010 Eastern Subregional373562

1822Hugo II's WarUSU Personal Contest 2011349563

1448Lighting in HogwartsUral Championship 2006690564

1698Square Country 5Petrozavodsk Winter 2009. USU Contest476564

1710Boris, You Are Wrong!Ural Championship 2009471565

1437Gasoline StationUSU Personal Contest 2006695566

1375Bill CleversUral Championship 2005. Round 1721568

1064Binary SearchNEERC 20001932569

1085MeetingSpring School Contest 20011841569

1966Cycling RoadsUral FU Personal Contest 2013216569

1071Nikifor 2USU Personal Contest 20011870571

1465Pawn GamePetrozavodsk Winter 2006. USU Contest652571

1061Buffer ManagerNEERC 20001917573

1421Credit OperationsTimus Top Coders: First Challenge689573

1713Key SubstringsNEERC 2009 Eastern Subregional431573

1650BillionairesNEERC 2008 Eastern Subregional491574

1806Mobile TelegraphsNEERC 2010 Eastern Subregional365574

1172Ship RoutesRomanian Online Contest December 2001668575

1682Crazy ProfessorUSU Personal Contest 2009467577

1550Dean's Pyramid 3Ural Championship 2007593578

1059ExpressionNEERC 2000 Central Subregional1978586

1592Chinese WatchesNEERC 2007 Eastern Subregional549586

1990PodracingNEERC 2013 Eastern Subregional191586

1939First SealUral FU Championship 2012242587

1070Local TimeUSU Personal Contest 20011811589

1706Cipher Message 2Ural Championship 2009451590

1067Disk TreeNEERC 20001853592

1358CablesSpring School Contest 2005681598

1445Christmas giftsUral Championship 2006650599

1701Ostap and PartnersUral Championship 2009442601

1767The House of Doctor DeeUral Championship 2010380602

1325DirtUral Championship 2004. Round 2663605

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest132605

1659Regular TrianglesNEERC 2008 Eastern Subregional465606

1690Army of MagesPetrozavodsk Winter 2009. USU Contest442606

1962In Chinese RestaurantUral FU Personal Contest 2013202606

1309DisputeUral Championship 2004. Round 1658610

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest533610

1866Poetic FootUral FU Championship 2011288613

1892Morning in KoltsovoNEERC 2011 Eastern Subregional285615

1054Hanoi TowerNEERC 2000 Central Subregional1875618

1198Jobbery659620

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest467620

1903Unidentified ShipsUral Championship 2012231624

1332Genie BomberAutumn School Contest 2004640632

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest282633

1076Trash1663638

1248Sequence SumUSU Personal Contest 2003612642

1542AutocompletionUral Championship 2007533642

1254Die HardUSU Local Contest. March 2003611644

1174Weird PermutationsRomanian Online Contest December 2001595645

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional221648

1994The Emperor's planNEERC 2013 Eastern Subregional172648

1452Pascal vs. C++Timus Top Coders: Second Challenge592651

1096Get the Right Route Plate!USU Local Contest. March 20011525652

1234BricksNEERC 2002600652

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009376653

1371Cargo AgencyUral Championship 2005. Round 1625654

1606SlalomUSU Personal Contest 2008470654

1253NecrologuesUSU Local Contest. March 2003599656

1943Space RummyUral FU Personal Contest 2012207659

1940Not So Simple YearsUral FU Championship 2012214660

1186Chemical ReactionsNEERC 2001580664

1088Ilya MurometzSpring School Contest 20011573665

1932The Secret of IdentifierUral FU Championship 2012212666

1564Counting OnesUSU Championship 2007480673

1443RailsUral Championship 2006572679

1500Pass LicensesNEERC 2006 Eastern Subregional533680

1486Equal SquaresUSU Championship 2006536681

1286Starship TravelUSU Personal Contest 2004586682

1755CakeUSU Personal Contest 2010338683

2008SwiftyUral Regional School Programming Contest 2013160686

1961Cantonese DialectUral FU Personal Contest 2013177687

1872Spacious OfficeUral FU Championship 2011255690

1168Radio StationsRomanian Online Contest December 2001554691

1772Ski-Trails for RobotsUral Championship 2010328694

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup176694

1773Metro to Every HomeUral Championship 2010327696

1633HippogriffsUSU Championship 2008406697

1440Training ScheduleUral Championship 2006555699

1274Fractional ArithmeticNEERC 2003 Central Subregional566702

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional203703

2060Subpalindrome pairsPalindromic Contest 85703

1250Sea BurialUSU Local Contest. March 2003557705

1132Square Root541706

1832Arirang ShowUral Championship 2011271706

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest518707

1305Convex HullUral Championship 1998565708

1230Introspective ProgramNEERC 2002 Central Subregional550709

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012200710

1057Amount of DegreesNEERC 2000 Central Subregional1627711

1830Help in the RNOSUral Championship 2011269711

1301Cube in LabyrinthUral Championship 1998560714

1611DecimationUral Championship 2008425714

1629TripUSU Championship 2008396714

1034Queens in Peaceful PositionsUral Championship 19991652717

1780Gray CodeUral SU Championship 2010292720

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest514722

1169PairsRomanian Online Contest December 2001529724

1825Ifrit Bomber 2USU Personal Contest 2011267730

1405Goat in the Garden 5Autumn School Contest 2005556734

1484Film RatingUSU Championship 2006495736

1037Memory ManagementUSU Championship 20001588739

1775Space BowlingUral SU Championship 2010284739

1159FenceNEERC 2001 Northern Subregional516741

1875Angry BirdsUral Regional School Programming Contest 2011234747

1016Cube on the WalkUSU Local Contest. 19991585750

1235Cricket FieldNEERC 2002518753

1986Paul’s SaladsUral FU Championship 2013147754

1614National Project “Trams”Ural Championship 2008401756

2052Physical EducationUral Championship 201585761

1974Similar TunesUral Championship 2013154762

1593Square Country. Version 2354763

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest534764

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional272764

1424MinibusTimus Top Coders: First Challenge509772

1988Planet Ocean LandingUral FU Championship 2013143774

1646Godzilla Strikes Back!Autumn School Contest 2008362775

1392Dreaming of Stars524778

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest416778

1512ZiniumTimus Top Coders: Third Challenge455781

1647Divide an Island!Autumn School Contest 2008359782

1716Alternative SolutionNEERC 2009 Eastern Subregional310790

1042Central HeatingUSU Championship 20001483791

1587Flying PigNEERC 2007 Eastern Subregional402795

1996Cipher Message 3NEERC 2013 Eastern Subregional138796

1689Fisherman and BarbellUSU Personal Contest 2009335798

1105Observers ColoringTetrahedron Team Online Contest May 2001471802

1323ClassmatesUral Championship 2004. Round 2498802

1030TitanicUral Championship 19991474803

1738Computer SecurityUSU Championship 2009302803

1456Jedi Riddle 2Timus Top Coders: Second Challenge476806

2017Best of a bad lotNEERC 2014 Eastern Subregional100807

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest450811

1268Little ChuUSU Championship 2003488812

1936RoshamboUral FU Championship 2012172813

1276TrainNEERC 2003 Central Subregional487814

1269Obscene Words FilterUSU Championship 2003485817

1379Cups TransportationUral Championship 2005. Round 1497819

1720Summit Online JudgeNEERC 2009 Eastern Subregional298821

1927Herbs and MagicUral Regional School Programming Contest 2012171824

1547Password SearchUral Championship 2007413825

1705Gangster HaresUral Championship 2009318829

1147Shaping RegionsDSAP Vietnam Online Contest November 2001458832

1165SubnumberNEERC 2001 Northern Subregional457835

1436BillboardUSU Personal Contest 2006465839

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest233850

1342EnterpriseUSU Championship 2004473855

1824Ifrit BomberUSU Personal Contest 2011226857

1154Mages ContestUral Championship 2001. Round 2444859

1373Pictura ex MachinaUral Championship 2005. Round 1473860

1715Another Ball KillerNEERC 2009 Eastern Subregional284860

1277Cops and ThievesNEERC 2003 Central Subregional459862

1905Travel in TimeUral Championship 2012164864

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest426868

1006Square FramesUSU Championship 19971369870

1498Stroke at Full SpeedAutumn School Contest 2006414874

1578Mammoth HuntAutumn School Contest 2007365878

1630TalismanUSU Championship 2008317886

1608Lucky Tickets 2008Ural Championship 2008340887

1245PicturesUSU Personal Contest 2003437893

1324Extra SpacesUral Championship 2004. Round 2445896

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest387897

1233Amusing NumbersNEERC 2002433898

1237Evacuation PlanNEERC 2002432901

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest259901

1921Chaos and OrderUral Regional School Programming Contest 2012155904

1836Babel FishUral Championship 2011209905

1580Dean's DebtsAutumn School Contest 2007353907

1175Strange SequenceUSU Personal Contest 2002419912

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest289916

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest254918

1761Binary PalindromeUSU Personal Contest 2010247924

1364LaraKillerUral Championship 2005. Round 2437926

1948The Robot on the LineUral FU Personal Contest 2012144929

1285Thread in a HyperspaceUSU Personal Contest 2004427930

1575Yekaterinburg Subway 2Autumn School Contest 2007343932

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest307933

1863Peaceful AtomUral FU Championship 2011186933

1979Resources DistributionUral Championship 2013124933

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest82934

1422FirefliesTimus Top Coders: First Challenge417938

1883Ent's BirthdayUral Regional School Programming Contest 2011184939

1976Game OptimizationUral Championship 2013123940

1827Indigenous WarsUSU Personal Contest 2011204945

1937Davy Jones’s OrganUral FU Championship 2012146948

1730ManBearPigUral Regional School Programming Contest 2009255951

1278“… Connecting People”NEERC 2003 Central Subregional414954

1339BabiesUSU Championship 2004420960

1784RoundersUral SU Championship 2010216962

1398Bishop and Pawn365964

1435Financial ErrorUSU Personal Contest 2006403965

1970皇后像廣場Ural FU Personal Contest 2013123966

1949The Best Picture in the GalaxyUral FU Personal Contest 2012137973

1887Frequent Flyer CardNEERC 2011 Eastern Subregional176976

1907Coffee and BunsUral Championship 2012144976

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest179977

1040Airline CompanyUSU Championship 20001194980

1418Military StoryUSU Championship 2005411982

1451Beerhouse TaleTimus Top Coders: Second Challenge387987

1983Nectar GatheringUral FU Championship 2013110987

1130Nikifor's WalkUSU Championship 2001381994

1569Networking the “Iset”USU Championship 2007322994

1331VladislavaAutumn School Contest 2004403995

1591Abstract ThinkingNEERC 2007 Eastern Subregional3171002

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3201004

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3611020

1965Pear TreesUral FU Personal Contest 20131161020

1768Circular StringsUral Championship 20102201021

1539Intelligence DataUSU Personal Contest 20073361024

1075Thread in a SpaceUSU Personal Contest 200110261036

1311Stable ConstructionUral Championship 2004. Round 13821039

1518Jedi Riddle 3Timus Top Coders: Third Challenge3391041

1173Lazy SnailRomanian Online Contest December 20013641043

1570Eating HighUSU Championship 20073061044

1151RadiobeaconsUral Championship 2001. Round 23631045

1862Very Wealthy MoleUral FU Championship 20111651045

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2581046

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101971047

1879GOV-internship 2Ural Regional School Programming Contest 20111641047

1722Observation DeckUral Regional School Programming Contest 20092271063

2055Urban GeographyUral Championship 2015571079

1687Numismatics for FunUSU Personal Contest 20092431088

1790Searching for the TruthUral Regional School Programming Contest 20101891089

1317HailUral Championship 2004. Round 23631092

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2111097

1341DeviceUSU Championship 20043661098

1434Buses in VasyukiUSU Personal Contest 20063471117

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1541126

1444ElephpotamusUral Championship 20063401129

1540Battle for the RingUSU Personal Contest 20073041129

1627JoinPetrozavodsk Winter 2008. ITMO Contest2511133

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1221134

1447Portkey NetworkUral Championship 20063381135

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2311137

1985Prime SquareUral FU Championship 2013941139

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2361149

1511Fiscal OperationsTimus Top Coders: Third Challenge3051154

2007Mutants versus MachinesUral Regional School Programming Contest 2013911155

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1501158

1968Glass PyramidUral FU Personal Contest 20131011158

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3111162

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1671168

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3451170

1544Classmates 3Ural Championship 20072881170

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1971171

1458War GamesTimus Top Coders: Second Challenge3241173

1357Teakettle 1.0 for DummiesSpring School Contest 20053421174

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest631178

1408Polynomial MultiplicationAutumn School Contest 20053421180

1736Chinese HockeyUSU Championship 20092001193

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1631195

1595Perfect Sequence2101208

1453QueenTimus Top Coders: Second Challenge3141209

1533Fat HobbitsUSU Personal Contest 20072821214

1359ConstructionSpring School Contest 20053301215

1766Humpty DumptyUral Championship 20101831216

1307ArchiverUral Championship 2004. Round 13241220

1807Cartridges for MaximNEERC 2010 Eastern Subregional1661223

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2991224

1035Cross-stitchUral Championship 19999551232

1310ACM DiagnosticsUral Championship 2004. Round 13181242

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2531245

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2551251

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup931254

1546Japanese SortingUral Championship 20072671259

1487Chinese FootballUSU Championship 20062851260

1099Work Scheduling7071264

1538Towers of GuardUSU Personal Contest 20072701266

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1891270

1321Floor IndicatorUral Championship 2004. Round 23091277

1946Chinese Hockey 3Ural FU Personal Contest 20121021277

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2821278

1669Universal WordPetrozavodsk Winter 2008. USU Contest2111279

1686Photovoltaic SpaceshipUSU Personal Contest 20092051281

1177Like ComparisonsUSU Personal Contest 20022921296

1947MeanderUral FU Personal Contest 20121001300

1657Cube SnakeNEERC 2008 Eastern Subregional2111302

1393Average Common Prefix3051303

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2631304

1171Lost in SpaceRomanian Online Contest December 20012861318

1050Preparing an ArticleUSU Local Contest. March 20008721323

1097Square Country 2USU Local Contest. March 20017461324

1065FrontierNEERC 20008231325

1328FireballAutumn School Contest 20042991329

1360Philosophical DisputeUral Championship 2005. Round 23001335

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup861345

1281River BasinNEERC 2003 Central Subregional2891353

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2521358

1499KerchiefsAutumn School Contest 20062611368

1240Heroes of Might and MagicNEERC 20022801371

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2051375

1318LogarithmUral Championship 2004. Round 22841386

1762Search for a Hiding-PlaceUSU Personal Contest 20101601397

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1431407

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional961412

1419Maps of the Island WorldsUSU Championship 20052811421

1449Credit Operations 2Timus Top Coders: Second Challenge2651425

1950Martian FarmlandsUral FU Personal Contest 2012901430

1265MirrorUSU Championship 20032721433

1299PsyloniansSpring School Contest 20042741433

1345HTMLUSU Championship 20042781433

1266Kirchhoff's LawUSU Championship 20032711438

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2371441

1441From the History of Gringotts BankUral Championship 20062641442

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1581442

1347BlogSpring School Contest 20052731460

1170DesertRomanian Online Contest December 20012571461

20503D-modelingUral Championship 2015391476

1412Autumn TideUSU Championship 20052701477

2059Not common palindromesPalindromic Contest 351484

1770The Party of Ural ChampionsUral Championship 20101481486

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup761502

1043Cover an ArcUSU Championship 20007701513

1802Cube PuzzleNEERC 2010 Eastern Subregional1321516

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2351523

1251Cemetery ManagerUSU Local Contest. March 20032521525

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest1111527

1908Brute-force SearchUral Championship 2012871550

1241Inlay CuttersNEERC 20022451561

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1211578

1337BureaucracyAutumn School Contest 20042501580

1488ACM PokerUSU Championship 20062251581

1886Trip 2NEERC 2011 Eastern Subregional1041592

1764TranssibUral Championship 20101371597

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2491604

1568Train Car SortingUSU Championship 20071951609

1565The Duel for ThreeUSU Championship 20071941617

1485Football and LieUSU Championship 20062181630

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1611640

1782Jack's New WordUral SU Championship 20101221646

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1001650

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest421653

1707Hypnotoad's SecretUral Championship 20091541657

1257HyphenationAutumn School Contest 20032291690

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1331695

1583CheeseNEERC 2007 Eastern Subregional1831697

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551699

1062TriathlonNEERC 20006391700

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest991700

1734Endgame DatabaseUSU Championship 20091371704

1841CablewaysPetrozavodsk Summer 2010. USU Contest981716

1420Integer-Valued Complex DivisionUSU Championship 20052301723

1516NostalgiaTimus Top Coders: Third Challenge2001730

1338AutomobilesUSU Championship 20042281734

1378Artificial IntelligenceUral Championship 2005. Round 12281745

1046Geometrical DreamsUSU Local Contest. March 20006561751

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015181753

1831Tsyfirkin's LessonUral Championship 20111031754

1508Japanese PuzzleNEERC 2006 Eastern Subregional2001758

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2051759

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012111762

1610CactusesUral Championship 20081661765

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1771772

1514National ParkTimus Top Coders: Third Challenge1921799

1702CrossroadUral Championship 20091411800

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1861816

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1441821

1896War Games 2.1141828

1304ParallelepipedUral Championship 19982111842

1425Queen 2Timus Top Coders: First Challenge2071845

1093DartsUSU Local Contest. March 20015321847

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest901847

1615Tram SolitaireUral Championship 20081581849

1492Vasya's Dad 2Autumn School Contest 20061901854

1757Gold BarsUSU Personal Contest 20101181856

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1011862

1417Space Poker 2USU Championship 20052111871

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1191879

2022Riding a ToadNEERC 2014 Eastern Subregional371889

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1381895

1163ChapaevNEERC 2001 Northern Subregional1951902

1503PolynomialNEERC 2006 Eastern Subregional1841903

1455Freedom of SpeechTimus Top Coders: Second Challenge1931930

1532Lost in TranslationUSU Personal Contest 20071731937

1969Hong Kong TramUral FU Personal Contest 2013561948

1216Two Pawns and One KingUSU Championship 20021931954

1148Building TowersDSAP Vietnam Online Contest November 20011891957

1634Spider MiteUSU Championship 20081371972

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1321975

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1331976

1781Clean CodeUral SU Championship 20101001976

1187Statistical TroubleNEERC 20011881979

1839The MentaculusUral Championship 2011901983

1977Energy WallUral Championship 2013531983

1396Maximum. Version 21832019

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional642023

1703Robotic ArmUral Championship 20091242028

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest1942036

1315MDPAR and MIIARUral Championship 2004. Round 11902037

1063Domino PuzzleNEERC 20005292046

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1842046

1397Points Game1722051

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1272063

1188LibraryNEERC 20011792073

1267Yekaterinburg SubwayUSU Championship 20031852073

1041NikiforUSU Championship 20005592075

1288AstrolocationUSU Personal Contest 20041862075

1867NanotechnologiesUral FU Championship 2011782077

1541ChaseUSU Personal Contest 20071602085

1074Very Short ProblemUSU Personal Contest 20015012100

1232Asteroid LandingNEERC 2002 Central Subregional1772122

2053BiologyUral Championship 2015242126

1549Another Japanese PuzzleUral Championship 20071542127

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872130

1092TransversalUSU Local Contest. March 20014592134

1543Dance RevolutionUral Championship 20071512166

1504Good MannersNEERC 2006 Eastern Subregional1582197

1945Many-armed BrothersUral FU Personal Contest 2012552200

1833Hopes of RowingUral Championship 2011792228

1850Space TourismPetrozavodsk Summer 2010. USU Contest732232

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21752236

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest282262

1652Banking CrisisNEERC 2008 Eastern Subregional1162283

1655Somali PiratesNEERC 2008 Eastern Subregional1152301

1256Cemetery GuardUSU Local Contest. March 20031632310

1270UnicubeUSU Championship 20031652310

1284Space PokerUSU Personal Contest 20041662310

1368Goat in the Garden 3Ural Championship 2005. Round 21672337

1481Winning ChancesUSU Championship 20061492337

1599Winding Number162338

1758Bald Spot Revisited 2USU Personal Contest 2010912352

1835Swamp DoctorUral Championship 2011742360

1882Old NokiaUral Regional School Programming Contest 2011672366

1735Theft of the CenturyUSU Championship 2009942409

2051PhysicsUral Championship 2015202410

1717Eligibility RulesNEERC 2009 Eastern Subregional942430

1829Routing TablesUSU Personal Contest 2011732436

1739FaryuksUSU Championship 2009912480

2006Kirill the GardenerUral Regional School Programming Contest 2013372482

1895Steaks on BoardNEERC 2011 Eastern Subregional632487

1972Game TestingUral Championship 2013402499

1978E-LiteUral Championship 2013402499

1275Knights of the Round TableNEERC 2003 Central Subregional1502528

1520Empire Strikes BackTimus Top Coders: Third Challenge1322559

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1192569

1798Fire Circle. Version 2152602

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional872605

1300TaxesUral Championship 19981462610

1308Dean's PyramidUral Championship 2004. Round 11462612

1454Rectangles 2Timus Top Coders: Second Challenge1402612

1865The Island of MärketUral FU Championship 2011592649

1239Ghost BustersNEERC 20021392669

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional462673

1312TrayUral Championship 2004. Round 11422681

1704DemodulationUral Championship 2009912691

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest582717

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest662719

1609Tram TileUral Championship 20081042725

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest572765

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest892767

2058100500 palidnromesPalindromic Contest 142783

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1242785

1566Triangular PostcardsUSU Championship 20071072819

1694Killer WordsPetrozavodsk Winter 2009. USU Contest862853

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest892854

1505Oil TransferNEERC 2006 Eastern Subregional1192861

1637Triangle Game 2USU Championship 2008912870

1464LightPetrozavodsk Winter 2006. USU Contest1202910

1856War and PeacePetrozavodsk Summer 2011. USU Contest532932

1395Pascal vs. C++. Version 21212985

1681Brother Bear's GardenUSU Personal Contest 2009822993

1482Triangle GameUSU Championship 20061142997

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup333003

1957MundialPetrozavodsk Winter 2013. Kontur Cup333003

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup333003

141140 Islands KnightsUSU Championship 20051263041

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest693067

1858Magic CubePetrozavodsk Summer 2011. USU Contest503079

1367Top SecretUral Championship 2005. Round 21243088

1058ChocolateNEERC 2000 Central Subregional3663090

1442Floo PowderUral Championship 20061163136

1438Time Limit ExceededUSU Personal Contest 20061173139

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest843145

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest773149

2057Non-palidromic cuttingPalindromic Contest 113180

2061OEIS A216264Palindromic Contest 113180

1909Space ReconUral Championship 2012373198

1975Model of the EarthUral Championship 2013293204

1597Chernobyl’ Eagle on a Roof. Version 2193208

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823214

1429BiscuitsTimus Top Coders: First Challenge1143229

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543229

1834Tennis RacketUral Championship 2011513250

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional363255

1938Caribbean TriangleUral FU Championship 2012353286

2049ChemistryUral Championship 2015123286

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest163306

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523333

1166Funny Card GameNEERC 2001 Northern Subregional1113339

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1023377

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1123405

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest153438

2077ReductionsQualification of eastern subregional contest 201543507

1616Square Country 4Ural Championship 2008783530

1509Domino RecognitionNEERC 2006 Eastern Subregional943549

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest423563

1733Forgotten TechnologyUSU Championship 2009603579

1199Mouse903615

1632LasersUSU Championship 2008703623

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813642

1765Error 404Ural Championship 2010543667

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup253690

1847ZamkadyePetrozavodsk Summer 2010. USU Contest403706

2076VasianaQualification of eastern subregional contest 201533777

1598DSA Attack143789

1999The secret moduleNEERC 2013 Eastern Subregional213801

1778Chinese Hockey 2Ural SU Championship 2010463881

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest963919

2054AstronomyUral Championship 201584015

2016Magic and ScienceNEERC 2014 Eastern Subregional124036

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764138

1973Location GeneratorUral Championship 2013204165

1661DodecahedronPetrozavodsk Winter 2008. USU Contest574218

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest784240

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554347

1460WiresPetrozavodsk Winter 2006. USU Contest774348

1271Sailing DirectionsUSU Championship 2003814442

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest94524

1344Gigantic TurnipUSU Championship 2004814536

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest724550

1340CucarachaUSU Championship 2004804587

1967Programmer CasinoUral FU Personal Contest 2013184590

1799Sasha and swag strings34659

1594Aztec Treasure474667

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84775

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest474806

1763Expert FleaUral Championship 2010384890

1771A Deputy's MorningUral Championship 2010384890

1797Summit Online Judge. Version 2214904

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest654975

1801The Revolution CupNEERC 2010 Eastern Subregional335008

1426RectanglesTimus Top Coders: First Challenge695069

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest715129

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest475187

1365Testing CalculatorUral Championship 2005. Round 2695237

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest675395

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest445475

1372Death StarUral Championship 2005. Round 1655538

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest235597

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235615

1906The Lost CivilizationUral Championship 2012165781

1842Local RootsPetrozavodsk Summer 2010. USU Contest215977

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest526018

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366143

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356280

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional356393

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336521

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356570

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest216666

1363HalftonesUral Championship 2005. Round 2506896

1653Death ConveyorNEERC 2008 Eastern Subregional317017

1596Knight Mare147067

1536Delights of Pipe-weedUSU Personal Contest 2007387384

1432Twofold LuckUSU Personal Contest 2006398137

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268213

1840Victim of AdvertisingUral Championship 2011138620

1376Dean's Pyramid 2Ural Championship 2005. Round 1378837

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219045

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269206

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup49221

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2910652

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1610784

1399Economical Director2310950

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1510957

1374MisereUral Championship 2005. Round 12711226

1415Mobile LifeUSU Championship 20052611484

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712275

1708Sum of Digits 2Ural Championship 20091212351

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2212982

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1713181

1369Cockroach RaceUral Championship 2005. Round 21914267

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1318062

1548Sakura and StatisticsUral Championship 2007720517

1589SokobanNEERC 2007 Eastern Subregional423395

1394Ships. Version 2527697