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Problem set


1000A+B Problem7097618

1001Reverse Root2020118

1785Lost in LocalizationUral Regional School Programming Contest 20101168318

1293EniyaSpring School Contest 20041936821

1409Two GangstersAutumn School Contest 20051861622

1877Bicycle CodesUral Regional School Programming Contest 2011807622

2012About Grisha N.NEERC 2014 Eastern Subregional377423

1820Ural SteaksUSU Personal Contest 2011744027

1787Turn for MEGAUral Regional School Programming Contest 2010737329

2001Mathematicians and BerriesUral Regional School Programming Contest 2013395029

1264WorkdaysAutumn School Contest 20031346130

1197Lonesome KnightSpring School Contest 20021213232

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011564432

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional431234

1639Chocolate 2Autumn School Contest 2008796236

1924Four ImpsUral Regional School Programming Contest 2012400437

1313Some Words about SportUral Championship 2004. Round 1987941

2023Donald is a postmanNEERC 2014 Eastern Subregional210441


12091, 10, 100, 1000...Autumn School Contest 2002921243

1319HotelUral Championship 2004. Round 2917944

1567SMS-spamUSU Championship 2007748144

1225FlagsNEERC 2002 Central Subregional878045

1581TeamworkAutumn School Contest 2007725345

1263ElectionsAutumn School Contest 2003832448

1585PenguinsNEERC 2007 Eastern Subregional666849

2066Simple ExpressionUral Regional School Programming Contest 2015117249

1991The battle near the swampNEERC 2013 Eastern Subregional230550

1876Centipede's MorningUral Regional School Programming Contest 2011353751

1100Final StandingsTetrahedron Team Online Contest May 2001739752

1327FusesAutumn School Contest 2004769253

1881Long problem statementUral Regional School Programming Contest 2011334154

1893A380NEERC 2011 Eastern Subregional327155

1243Divorce of the Seven DwarfsUSU Personal Contest 2003710856

1493One Step from HappinessAutumn School Contest 2006657656

1110PowerBulgarian Online Contest September 2001679157

1349FarmSpring School Contest 2005711058

1607TaxiUSU Personal Contest 2008535458

1496SpammerAutumn School Contest 2006613360

1545HieroglyphsUral Championship 2007568661

1925British Scientists Save the WorldUral Regional School Programming Contest 2012239561

1636Penalty TimeUSU Championship 2008457863

1837Isenbaev's NumberUral Championship 2011311263

1196History ExamSpring School Contest 2002611564

1149Sinus Dances592665

1654Cipher MessageNEERC 2008 Eastern Subregional431666

1723Sandro's BookUral Regional School Programming Contest 2009372567

2002Test TaskUral Regional School Programming Contest 2013171467

1563BayanUSU Championship 2007480768

1617Flat SpotsUral Championship 2008454168

2035Another Dress RehearsalUral Regional School Programming Contest 2014124669

1131CopyingUSU Championship 2001551770

1025Democracy in DangerAutumn School Contest 20001668071

1457Heating MainTimus Top Coders: Second Challenge549271

1224SpiralNEERC 2002 Central Subregional548072

2005Taxi for ProgrammersUral Regional School Programming Contest 2013159372

1792Hamming CodeUral Regional School Programming Contest 2010287775

1083Factorials!!!Spring School Contest 20011379276

1712Cipher GrilleNEERC 2009 Eastern Subregional325977

1935Tears of DrownedUral FU Championship 2012190577

2011Long StatementUral Regional School Programming Contest 2013147178

2031Overturned NumbersUral Regional School Programming Contest 2014108978

1502Domino DotsNEERC 2006 Eastern Subregional458180

1194HandshakesSpring School Contest 2002479081

1139City BlocksNEERC 2001 Central Subregional472882

1106Two TeamsTetrahedron Team Online Contest May 2001461183

1290SabotageSpring School Contest 2004484584

1638BookwormUSU Championship 2008344284

1120Sum of Sequential NumbersAutumn School Contest 2001452685

1404Easy to Hack!Autumn School Contest 2005485685

1119MetroAutumn School Contest 2001439988

1180Stone GameUSU Personal Contest 2002442388

1902Neo-VeniceUral Championship 2012162791

2068Game of NutsUral Regional School Programming Contest 201562191

1601AntiCAPSUSU Personal Contest 2008338392

1297PalindromeSpring School Contest 2004433293

1510OrderNEERC 2006 Eastern Subregional392893

1005Stone PileUSU Championship 19971276994

1161StripiesNEERC 2001 Northern Subregional413594

1796Amusement ParkUral Regional School Programming Contest 2010228094

2025Line FightingUral Regional School Programming Contest 201490494

1146Maximum SumDSAP Vietnam Online Contest November 2001407495

16421D MazeAutumn School Contest 2008300295

1446Sorting HatUral Championship 2006406497

2033DevicesUral Regional School Programming Contest 201488397

2056ScholarshipUral Championship 201572297

1009K-based NumbersUSU Championship 19971215898

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001392298

1644A Whole Lot of WalnutsAutumn School Contest 2008293498

1731DillUral Regional School Programming Contest 2009255798

1786Sandro's BiographyUral Regional School Programming Contest 2010219298

1370MagicianUral Championship 2005. Round 2414799

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131139100

1214Strange ProcedureAutumn School Contest 20023852102

1203Scientific ConferenceUSU Local Contest. March 20023769103

1136ParliamentNEERC 2001 Central Subregional3722104

1118Nontrivial NumbersAutumn School Contest 20013696105

1228ArrayNEERC 2002 Central Subregional3754105

1020RopeAutumn School Contest 200011223106

1014Product of DigitsUSU Local Contest. 199911091107

1873GOV ChroniclesUral Regional School Programming Contest 20111683107

1777AnindilyakwaUral SU Championship 20102000108

1296HyperjumpSpring School Contest 20043725109

1573AlchemyAutumn School Contest 20072998109

1330IntervalsAutumn School Contest 20043721110

1082Gaby IvanushkaSpring School Contest 20019179114

1126Magnetic StormsUSU Championship 20013398114

1192Ball in a DreamSpring School Contest 20023407114

1079MaximumWinter Mathematical Festival Varna 20019192115

1226esreveR redrONEERC 2002 Central Subregional3370117

1582BookmakersNEERC 2007 Eastern Subregional2784117

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional739117

1044Lucky Tickets. Easy!USU Championship 20009985118

1219Symbolic SequenceUSU Championship 20023283120

1086CryptographySpring School Contest 20018650121

1711Code NamesNEERC 2009 Eastern Subregional2072121

2018The Debut AlbumNEERC 2014 Eastern Subregional713121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023197122

1353Milliard Vasya's FunctionSpring School Contest 20053373122

2000Grand Theft Array VUral Regional School Programming Contest 2013928123

1123SalaryAutumn School Contest 20013095125

1260Nudnik PhotographerAutumn School Contest 20033163127

1283DwarfUSU Personal Contest 20043153128

1336Problem of Ben BetsalelAutumn School Contest 20043193128

1683FridgeUSU Personal Contest 20092122129

1688Team.GOV!USU Personal Contest 20092117129

1868Prediction ContestUral FU Championship 20111381131

1725Sold Out!Ural Regional School Programming Contest 20091893132

1982Electrification PlanUral FU Championship 2013863134

1022Genealogical TreeAutumn School Contest 20008758136

1352Mersenne PrimesSpring School Contest 20053012136

1964Chinese DialectsUral FU Personal Contest 2013914138

1021Sacrament of the SumAutumn School Contest 20008552139

1931Excellent TeamUral FU Championship 20121043139

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101531140

1222Chernobyl’ EaglesUSU Championship 20022794141

1402CocktailsAutumn School Contest 20052924141

1740Deer is Better!USU Championship 20091740142

1026Questions and AnswersAutumn School Contest 20008246144

1612Tram ForumUral Championship 20082145144

1142RelationsDSAP Vietnam Online Contest November 20012670145

1984Dummy GuyUral FU Championship 2013796145

1178Akbardin’s RoadsUSU Personal Contest 20022645147

1576Telephone TariffsAutumn School Contest 20072229147

1821BiathlonUSU Personal Contest 20111355147

1864Get-Together at Den'sUral FU Championship 20111229147

1084Goat in the GardenSpring School Contest 20017093148

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional770149

2073Log FilesUral Regional School Programming Contest 2015374150

1572Yekaterinozavodsk Great WellAutumn School Contest 20072129153

2069Hard RockUral Regional School Programming Contest 2015366153

1167Bicolored HorsesRomanian Online Contest December 20012486156

1210Kind SpiritsAutumn School Contest 20022529156

1756One and a Half DiggersUSU Personal Contest 20101499157

1073Square CountryUSU Personal Contest 20016708159

1306Sequence MedianUral Championship 19982548159

1709Penguin-AviaUral Championship 20091688159

1295Crazy NotionsSpring School Contest 20042509161

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional910161

1017StaircasesUSU Local Contest. 19997301163

1135RecruitsNEERC 2001 Central Subregional2352164

1878Rubinchik's CubeUral Regional School Programming Contest 20111091164

1157Young TilerUral Championship 2001. Round 22349165

1280Topological SortingNEERC 2003 Central Subregional2424166

1874Football GoalUral Regional School Programming Contest 20111080166

1506Columns of NumbersNEERC 2006 Eastern Subregional2191167

1613For Fans of StatisticsUral Championship 20081831168

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional511168

1354Palindrome. Again PalindromeSpring School Contest 20052434169

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101258170

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional865170

1213Cockroaches!Autumn School Contest 20022305171

1272Non-Yekaterinburg SubwayUSU Championship 20032336172

1012K-based Numbers. Version 26908173

1944Record of the Attack at the OrbitUral FU Personal Contest 2012809173

1586Threeprime NumbersNEERC 2007 Eastern Subregional1856175

1640Circle of WinterAutumn School Contest 20081626176

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091418176

1769Old Ural LegendUral Championship 20101319176

1800Murphy's LawNEERC 2010 Eastern Subregional1207176

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1035176

1335White ThesisAutumn School Contest 20042301177

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1571177

1413Mars JumperUSU Championship 20052309178

1685OrthographyUSU Personal Contest 20091534178

1930Ivan's CarUral Regional School Programming Contest 2012821178

1193Queue at the ExamSpring School Contest 20022171179

1134CardsNEERC 2001 Central Subregional2152180

1789Searching for the DodecahedronUral Regional School Programming Contest 20101178181

1048Superlong SumsUSU Local Contest. March 20006339183

1102Strange DialogTetrahedron Team Online Contest May 20012089183

1869New Year CruiseUral FU Championship 2011969185

1133Fibonacci SequenceNEERC 2001 Central Subregional2062187

1207Median on the PlaneUSU Local Contest. March 20022071188

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1510189

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional452189

1114BoxesBulgarian Online Contest September 20012021191

1645Ski RaceAutumn School Contest 20081494191

1164FillwordNEERC 2001 Northern Subregional2014192

1208Legendary Teams ContestUSU Local Contest. March 20022000195

1680The First NonqualifyingUSU Personal Contest 20091386196

1885Passenger ComfortNEERC 2011 Eastern Subregional912196

2065Different SumsUral Regional School Programming Contest 2015284196

1152False MirrorsUral Championship 2001. Round 21963197

1423String TaleTimus Top Coders: First Challenge2013197

1138Integer PercentageNEERC 2001 Central Subregional1944199

1023ButtonsAutumn School Contest 20005941200

1112CoverBulgarian Online Contest September 20011926200

1348Goat in the Garden 2Spring School Contest 20052004205

1987Nested SegmentsUral FU Championship 2013558206

1249Ancient NecropolisUSU Local Contest. March 20031887210

1494MonobilliardsAutumn School Contest 20061751210

2024Adventure TimeUral Regional School Programming Contest 2014401210

1002Phone NumbersCentral European Olympiad in Informatics 19995647212

2070Interesting NumbersUral Regional School Programming Contest 2015262212

1200Horns and HoofsUSU Local Contest. March 20021815214

1490Fire CircleAutumn School Contest 20061702216

1183Brackets SequenceNEERC 20011774219

1515CashmasterTimus Top Coders: Third Challenge1647219

1052Rabbit HuntUSU Local Contest. March 20005248221

1635Mnemonics and PalindromesUSU Championship 20081292222

1491Unreal StoryAutumn School Contest 20061648223

1011ConductorsUSU Championship 19975327224

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015247224

1125HopscotchUSU Championship 20011712225

1737Mnemonics and Palindromes 3USU Championship 20091099225

1033LabyrinthUral Championship 19995213227

1795Husband in a ShopUral Regional School Programming Contest 2010929229

1242WerewolfUSU Personal Contest 20031721230

1333Genie Bomber 2Autumn School Contest 20041772230

1049Brave BalloonistsUSU Local Contest. March 20004937235

1889Airport AnnouncementsNEERC 2011 Eastern Subregional757235

1122GameAutumn School Contest 20011634236

1204IdempotentsUSU Local Contest. March 20021650236

1826MinefieldUSU Personal Contest 2011836237

1922Superhero TeamUral Regional School Programming Contest 2012613237

1150Page NumbersUral Championship 2001. Round 21622238

2067Friends and BerriesUral Regional School Programming Contest 2015232238

1355Bald Spot RevisitedSpring School Contest 20051715239

1191Catch the thief!Spring School Contest 20021618240

1205By the Underground or by Foot?USU Local Contest. March 20021617240

1303Minimal CoverageUral Championship 19981677241

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1679245

1108HeritageBulgarian Online Contest September 20011565246

1247Check a SequenceUSU Personal Contest 20031611246

2003Simple MagicUral Regional School Programming Contest 2013457247

1603EruditeUSU Personal Contest 20081252248

1998The old PadawanNEERC 2013 Eastern Subregional459248

1113JeepBulgarian Online Contest September 20011542249

1109ConferenceBulgarian Online Contest September 20011513254

1433DiamondsUSU Personal Contest 20061559254

1298KnightSpring School Contest 20041585255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014131256

1010Discrete FunctionUSTU PhysTech Cup 20004646257

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1369257

1718RejudgeNEERC 2009 Eastern Subregional967257

1195Ouths and CrossesSpring School Contest 20021499259

1080Map ColoringWinter Mathematical Festival Varna 20014071260

1590Bacon’s CipherNEERC 2007 Eastern Subregional1241261

2021Scarily interesting!NEERC 2014 Eastern Subregional325261

1779The Great TeamUral SU Championship 2010810264

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031491266

1658Sum of DigitsNEERC 2008 Eastern Subregional1068266

1823Ideal GasUSU Personal Contest 2011746266

1028StarsUral Championship 19994435267

1684Jack's Last WordUSU Personal Contest 20091010269

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012539269

1981Parallel and PerpendicularUral FU Championship 2013425269

1087The Time to Take StonesSpring School Contest 20013886270

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1370270

1220StacksUSU Championship 20021449271

1179Numbers in TextUSU Personal Contest 20021418273

1726VisitsUral Regional School Programming Contest 2009900276

2034CaravansUral Regional School Programming Contest 2014303276

1047Simple CalculationsUSU Local Contest. March 20004195277

1117HierarchyAutumn School Contest 20011389277

1211Collective GuaranteeAutumn School Contest 20021420277

1741Communication FiendUSU Championship 2009886278

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest856278

1537EntsUSU Personal Contest 20071254280

1244GentlemenUSU Personal Contest 20031404282

1933Guns for Battle!Ural FU Championship 2012510282

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1286287

1032Find a MultipleUral Championship 19993574289

1753BookshelfUSU Personal Contest 2010806290

1501Sense of BeautyNEERC 2006 Eastern Subregional1253291

1024PermutationsAutumn School Contest 20004069292

1018Binary Apple TreeUSU Local Contest. 19994056293

1184Cable MasterNEERC 20011323293

1377Lara CroftUral Championship 2005. Round 11400294

1053PinocchioNEERC 2000 Central Subregional3921295

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest804296

1497Cutting a SquareAutumn School Contest 20061237297

1989SubpalindromesUral FU Championship 2013380300

1036Lucky Tickets3939301

1551Sumo TournamentUral Championship 20071147301

1992CVSNEERC 2013 Eastern Subregional373304

1013K-based Numbers. Version 3287305

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional691305

1127Colored BricksUSU Championship 20011252307

1215Exactness of Projectile HitAutumn School Contest 20021279307

1934Black SpotUral FU Championship 2012467307

2046The First Day at SchoolUral Championship 2015221307

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014270308

1124MosaicUSU Championship 20011243310

1116Piecewise Constant FunctionAutumn School Contest 20011235311

1190Bar of ChocolateSpring School Contest 20021242312

1153SupercomputerUral Championship 2001. Round 21234313

1941Scary Martian WordUral FU Personal Contest 2012441314

1137Bus RoutesNEERC 2001 Central Subregional1222315

1793Tray 2Ural Regional School Programming Contest 2010671316

1227Rally ChampionshipNEERC 2002 Central Subregional1239317

1294Mars SatellitesSpring School Contest 20041265318

1904The Lessons of the PastUral Championship 2012459318

1588JamaicaNEERC 2007 Eastern Subregional1015319

1008Image EncodingUSTU PhysTech Cup 20003675325

1121BranchesAutumn School Contest 20011183325

1320Graph DecompositionUral Championship 2004. Round 21239326

1302Delta-waveUral Championship 19981234327

1521War Games 2Timus Top Coders: Third Challenge1093329

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest819329

1029MinistryUral Championship 19993111332

1604Country of FoolsUSU Personal Contest 2008925334

1185WallNEERC 20011153336

1201Which Day Is It?USU Local Contest. March 20021150337

1450Russian PipelinesTimus Top Coders: Second Challenge1148338

2026Dean and ScheduleUral Regional School Programming Contest 2014245338

1218Episode N-th: The Jedi TournamentUSU Championship 20021157339

1060Flip GameNEERC 20003225340

1406Next NumberAutumn School Contest 20051208340

1156Two RoundsUral Championship 2001. Round 21129341

1517Freedom of ChoiceTimus Top Coders: Third Challenge1052341

1648YachtsAutumn School Contest 2008830342

1160NetworkNEERC 2001 Northern Subregional1143344

1346Intervals of MonotonicityUSU Championship 20041186344

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional328345

1223Chernobyl’ Eagle on a RoofUSU Championship 20021132347

1431DiplomasUSU Personal Contest 20061126350

1031Railway TicketsUral Championship 19993368352

1282Game TreeNEERC 2003 Central Subregional1136352

1090In the Army NowUSU Local Contest. March 20012817353

1651Shortest SubchainNEERC 2008 Eastern Subregional800354

2047MathsUral Championship 2015190354

1140Swamp IncidentNEERC 2001 Central Subregional1079356

1261TipsAutumn School Contest 20031117358

1262Pseudo-Roman NumberAutumn School Contest 20031112359

1483Table FootballUSU Championship 20061023359

1246Tethered DogUSU Personal Contest 20031096360

1901Space ElevatorsUral Championship 2012402362

1007Code WordsUSU Championship 19973286363

1292Mars Space StationsSpring School Contest 20041109363

1828Approximation by a ProgressionUSU Personal Contest 2011544363

1574Mathematicians and bracketsAutumn School Contest 2007885367

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest951369

1995Illegal spicesNEERC 2013 Eastern Subregional304371

1055CombinationsNEERC 2000 Central Subregional3104373

1403CourierAutumn School Contest 20051102373

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional224373

1495One-two, One-two 2Autumn School Contest 2006980374

1783Nuclear Arms RaceUral SU Championship 2010565376

1141RSA Attack1021377

1176HyperchannelsUSU Personal Contest 20021025377

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest476377

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional468377

1078SegmentsWinter Mathematical Festival Varna 20012792378

1759Long-LiversUSU Personal Contest 2010616378

1039Anniversary PartyUSU Championship 20003081381

1229Strong BrickworkNEERC 2002 Central Subregional1027382

1356Something EasierSpring School Contest 20051068382

1923Scary PoliticsUral Regional School Programming Contest 2012375384

1963KiteUral FU Personal Contest 2013321384

2063Black and WhiteUral Regional School Programming Contest 2015140384

1259How to Become Star?Autumn School Contest 20031037385

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest617385

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014214385

1279WarehouseNEERC 2003 Central Subregional1031388

2030Awesome Backup SystemUral Regional School Programming Contest 2014212388

1003ParityCentral European Olympiad in Informatics 19993071389

1289One Way TicketUSU Personal Contest 20041031390

1115ShipsBulgarian Online Contest September 2001981391

1631Drunk King 2USU Championship 2008728391

1562GM-pineappleUSU Championship 2007825394

1217Unlucky TicketsUSU Championship 2002991395

1489Points on a ParallelepipedAutumn School Contest 2006926395

1111SquaresBulgarian Online Contest September 2001969396

1860FiborialPetrozavodsk Summer 2011. USU Contest453396

1407One-two, One-twoAutumn School Contest 20051034397

1774Barber of the Army of MagesUral SU Championship 2010535397

1287Mars CanalsUSU Personal Contest 20041007399

1427SMSTimus Top Coders: First Challenge992399

1015Test the Difference!USU Local Contest. 19992977400

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest692401

1343Fairy TaleUSU Championship 20041007405

1094E-screenUSU Local Contest. March 20012450406

1350CanteenSpring School Contest 2005997409

1107Warehouse ProblemTetrahedron Team Online Contest May 2001929410

1077Travelling Tours932411

1732Ministry of TruthUSU Championship 2009596411

1252Sorting the TombstonesUSU Local Contest. March 2003955413

1221Malevich Strikes Back!USU Championship 2002945414

1602ElevatorUSU Personal Contest 2008745414

1128Partition into GroupsUSU Championship 2001923416

1291Gear-wheelsSpring School Contest 2004961418

1507Difficult DecisionNEERC 2006 Eastern Subregional866420

1571InterpretersUSU Championship 2007773420

1038Spell CheckerUSU Championship 20002786421

1513Lemon TaleTimus Top Coders: Third Challenge847423

1700AwakeningUral Championship 2009628424

1942Attack at the OrbitUral FU Personal Contest 2012324424

1480CouponsUSU Championship 2006861425

2071Juice CocktailsUral Regional School Programming Contest 2015125426

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001900427

1181Cutting a Painted PolygonUSU Personal Contest 2002904427

1519Formula 1Timus Top Coders: Third Challenge838427

1089Verification with a VocabularySpring School Contest 20012438429

1202Rectangles TravelUSU Local Contest. March 2002897431

1416ConfidentialUSU Championship 2005945432

1258PoolAutumn School Contest 2003916435

1019Line PaintingUSU Local Contest. 19992722437

1900Brainwashing DeviceUral Championship 2012329440

1641DutiesAutumn School Contest 2008641441

1776Anniversary FireworkUral SU Championship 2010473447

1643Attack of the Dark FortressAutumn School Contest 2008630449

1410CrackUSU Championship 2005905451

1129Door PaintingUSU Championship 2001848452

1890Money out of Thin AirNEERC 2011 Eastern Subregional389452

1051Simple Game on a GridUSU Local Contest. March 20002519460

1535The Hobbit or There and Back AgainUSU Personal Contest 2007755462

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional451464

1728Curse on Team.GOVUral Regional School Programming Contest 2009530465

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional309465

1155TroubleduonsUral Championship 2001. Round 2822467

1238FoldingNEERC 2002841467

1072RoutingUSU Personal Contest 20012280468

1971Graphics SettingsUral Championship 2013254468

1189Pairs of IntegersNEERC 2001823469

2062Ambitious ExperimentUral Regional School Programming Contest 2015111476

1273TieUSU Championship 2003835477

1091Tmutarakan ExamsUSU Local Contest. March 20012070480

1162Currency ExchangeNEERC 2001 Northern Subregional801480

1884Way to the UniversityUral Regional School Programming Contest 2011367480

1326Bottle TapsUral Championship 2004. Round 2835481

1428Jedi RiddleTimus Top Coders: First Challenge818482

1236Decoding TaskNEERC 2002811483

1329Galactic HistoryAutumn School Contest 2004839483

1401GamersAutumn School Contest 2005844485

1316Electronic AuctionUral Championship 2004. Round 1826486

1525PathPetrozavodsk Winter 2007. D.Gozman Contest720486

1103Pencils and CirclesTetrahedron Team Online Contest May 2001776489

1628White StreaksUSU Championship 2008578491

1095Nikifor 3USU Local Contest. March 20012006495

1579Coat TransportationAutumn School Contest 2007652496

1430Crime and PunishmentTimus Top Coders: First Challenge794497


1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional493500

1212BattleshipAutumn School Contest 2002779501

1322SpyUral Championship 2004. Round 2802501

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014162501

2074Timus problems classifierQualification of eastern subregional contest 201585501

2048HistoryUral Championship 2015131503

1870Zinium 2Ural FU Championship 2011349506

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest157506

1871Seismic WavesUral FU Championship 2011348507

1066GarlandNEERC 20002156508

1158Censored!NEERC 2001 Northern Subregional754509

1891Language OceanNEERC 2011 Eastern Subregional344509

1980Road to InvestorUral Championship 2013233509

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014159510

1182Team Them Up!NEERC 2001755511

1729Dead Man's ChestUral Regional School Programming Contest 2009480512

1577E-mailAutumn School Contest 2007630513

1754Explosion in a PyramidUSU Personal Contest 2010451513

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup239513

1056Computer NetNEERC 2000 Central Subregional2247515

2064CaterpillarsUral Regional School Programming Contest 2015101518

1439Battle with You-Know-WhoUral Championship 2006745522

2004Scientists from SpilkovoUral Regional School Programming Contest 2013211522

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest622523

1069Prufer CodeUSU Personal Contest 20012034524

1045Funny GameUSU Local Contest. March 20002206525

1334CheckersAutumn School Contest 2004769526

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional156526

1600AirportUSU Personal Contest 2008583527

1366PresentsUral Championship 2005. Round 2769530

1314Chase in SubwayUral Championship 2004. Round 1752533

1414Astronomical DatabaseUSU Championship 2005764533

2009Canteen LineUral Regional School Programming Contest 2013206534

1143Electric PathDSAP Vietnam Online Contest November 2001714537

1101Robot in the FieldTetrahedron Team Online Contest May 2001703539

1928Another Ecology ProblemUral Regional School Programming Contest 2012262543

1362Classmates 2Ural Championship 2005. Round 2747545

1400Cellular CharactersAutumn School Contest 2005749546

1838Samurai's StrokeUral Championship 2011349549

1534Football in GondorUSU Personal Contest 2007631551

1605Devil's SequenceUSU Personal Contest 2008552556

1004Sightseeing TripCentral European Olympiad in Informatics 19992143557

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005730557

1027D++ AgainAutumn School Contest 20002125558

1760Infernal WorkUSU Personal Contest 2010413559

1803The Czechs' RiflesNEERC 2010 Eastern Subregional373559

1822Hugo II's WarUSU Personal Contest 2011349560

1448Lighting in HogwartsUral Championship 2006690563

1437Gasoline StationUSU Personal Contest 2006695564

1698Square Country 5Petrozavodsk Winter 2009. USU Contest474564

1966Cycling RoadsUral FU Personal Contest 2013215565

1064Binary SearchNEERC 20001931567

1375Bill CleversUral Championship 2005. Round 1719568

1085MeetingSpring School Contest 20011837569

1710Boris, You Are Wrong!Ural Championship 2009465570

1071Nikifor 2USU Personal Contest 20011865571

1421Credit OperationsTimus Top Coders: First Challenge689572

1713Key SubstringsNEERC 2009 Eastern Subregional430572

1806Mobile TelegraphsNEERC 2010 Eastern Subregional364572

1061Buffer ManagerNEERC 20001913573

1465Pawn GamePetrozavodsk Winter 2006. USU Contest649573

1650BillionairesNEERC 2008 Eastern Subregional488575

1172Ship RoutesRomanian Online Contest December 2001664577

1550Dean's Pyramid 3Ural Championship 2007591579

1682Crazy ProfessorUSU Personal Contest 2009464579

1059ExpressionNEERC 2000 Central Subregional1975585

1592Chinese WatchesNEERC 2007 Eastern Subregional548585

1990PodracingNEERC 2013 Eastern Subregional189585

1939First SealUral FU Championship 2012239589

1070Local TimeUSU Personal Contest 20011806590

1706Cipher Message 2Ural Championship 2009449590

1067Disk TreeNEERC 20001845593

1358CablesSpring School Contest 2005680598

1445Christmas giftsUral Championship 2006648599

1701Ostap and PartnersUral Championship 2009441600

1767The House of Doctor DeeUral Championship 2010378602

1325DirtUral Championship 2004. Round 2661606

1659Regular TrianglesNEERC 2008 Eastern Subregional463606

1962In Chinese RestaurantUral FU Personal Contest 2013200606

1690Army of MagesPetrozavodsk Winter 2009. USU Contest439608

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest129608

1309DisputeUral Championship 2004. Round 1657609

1892Morning in KoltsovoNEERC 2011 Eastern Subregional285611

1866Poetic FootUral FU Championship 2011286613

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest528614

1054Hanoi TowerNEERC 2000 Central Subregional1875616

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest467618


1903Unidentified ShipsUral Championship 2012230621

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest282628

1332Genie BomberAutumn School Contest 2004640631


1248Sequence SumUSU Personal Contest 2003611642

1542AutocompletionUral Championship 2007532642

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional221642

1994The Emperor's planNEERC 2013 Eastern Subregional171643

1254Die HardUSU Local Contest. March 2003609644

1174Weird PermutationsRomanian Online Contest December 2001593645

1452Pascal vs. C++Timus Top Coders: Second Challenge591650

1096Get the Right Route Plate!USU Local Contest. March 20011523651

1234BricksNEERC 2002599651

1606SlalomUSU Personal Contest 2008469653

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009374653

1943Space RummyUral FU Personal Contest 2012207653

1940Not So Simple YearsUral FU Championship 2012214654

1371Cargo AgencyUral Championship 2005. Round 1623655

1253NecrologuesUSU Local Contest. March 2003597657

1088Ilya MurometzSpring School Contest 20011573663

1186Chemical ReactionsNEERC 2001578664

1932The Secret of IdentifierUral FU Championship 2012209669

1564Counting OnesUSU Championship 2007480671

1443RailsUral Championship 2006571678

1500Pass LicensesNEERC 2006 Eastern Subregional533678

2008SwiftyUral Regional School Programming Contest 2013160678

1755CakeUSU Personal Contest 2010338679

1961Cantonese DialectUral FU Personal Contest 2013177680

1286Starship TravelUSU Personal Contest 2004586681

1486Equal SquaresUSU Championship 2006534681

1872Spacious OfficeUral FU Championship 2011254688

2060Subpalindrome pairsPalindromic Contest 85688

1772Ski-Trails for RobotsUral Championship 2010328691

1168Radio StationsRomanian Online Contest December 2001551693

1773Metro to Every HomeUral Championship 2010327693

1633HippogriffsUSU Championship 2008406694

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup173698

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional202700

1274Fractional ArithmeticNEERC 2003 Central Subregional566701

1440Training ScheduleUral Championship 2006552701

1132Square Root540706

1250Sea BurialUSU Local Contest. March 2003555706

1832Arirang ShowUral Championship 2011269706

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest516708

1305Convex HullUral Championship 1998563709

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012198710

1230Introspective ProgramNEERC 2002 Central Subregional547711

1057Amount of DegreesNEERC 2000 Central Subregional1622712

1629TripUSU Championship 2008395713

1301Cube in LabyrinthUral Championship 1998559714

1830Help in the RNOSUral Championship 2011266714

1034Queens in Peaceful PositionsUral Championship 19991651715

1780Gray CodeUral SU Championship 2010292716

1611DecimationUral Championship 2008422717

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest510726

1825Ifrit Bomber 2USU Personal Contest 2011266728

1169PairsRomanian Online Contest December 2001524729

1484Film RatingUSU Championship 2006494735

1405Goat in the Garden 5Autumn School Contest 2005553736

1037Memory ManagementUSU Championship 20001586738

1775Space BowlingUral SU Championship 2010283738

1159FenceNEERC 2001 Northern Subregional514742

1986Paul’s SaladsUral FU Championship 2013147746

1016Cube on the WalkUSU Local Contest. 19991585748

1875Angry BirdsUral Regional School Programming Contest 2011232748

1614National Project “Trams”Ural Championship 2008401753

1235Cricket FieldNEERC 2002516754

1974Similar TunesUral Championship 2013154754

2052Physical EducationUral Championship 201584754

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional272759

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest533763

1988Planet Ocean LandingUral FU Championship 2013143765

1593Square Country. Version 2350769

1424MinibusTimus Top Coders: First Challenge507773

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest415777

1646Godzilla Strikes Back!Autumn School Contest 2008360777

1392Dreaming of Stars523778

1512ZiniumTimus Top Coders: Third Challenge455779

1647Divide an Island!Autumn School Contest 2008357783

1996Cipher Message 3NEERC 2013 Eastern Subregional138787

1042Central HeatingUSU Championship 20001482789

1716Alternative SolutionNEERC 2009 Eastern Subregional309789

1587Flying PigNEERC 2007 Eastern Subregional402792

2017Best of a bad lotNEERC 2014 Eastern Subregional100794

1689Fisherman and BarbellUSU Personal Contest 2009335795

1323ClassmatesUral Championship 2004. Round 2498800

1030TitanicUral Championship 19991473801

1105Observers ColoringTetrahedron Team Online Contest May 2001470801

1738Computer SecurityUSU Championship 2009300804

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest450809

1936RoshamboUral FU Championship 2012171810

1268Little ChuUSU Championship 2003487811

1456Jedi Riddle 2Timus Top Coders: Second Challenge472811

1276TrainNEERC 2003 Central Subregional485815

1720Summit Online JudgeNEERC 2009 Eastern Subregional298817

1269Obscene Words FilterUSU Championship 2003483818

1379Cups TransportationUral Championship 2005. Round 1496819

1927Herbs and MagicUral Regional School Programming Contest 2012170821

1547Password SearchUral Championship 2007412824

1705Gangster HaresUral Championship 2009317828

1147Shaping RegionsDSAP Vietnam Online Contest November 2001456834

1165SubnumberNEERC 2001 Northern Subregional455836

1436BillboardUSU Personal Contest 2006460846

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest232849

1824Ifrit BomberUSU Personal Contest 2011226851

1715Another Ball KillerNEERC 2009 Eastern Subregional284856

1905Travel in TimeUral Championship 2012164856

1154Mages ContestUral Championship 2001. Round 2443858

1342EnterpriseUSU Championship 2004470858

1373Pictura ex MachinaUral Championship 2005. Round 1471862

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest425867

1277Cops and ThievesNEERC 2003 Central Subregional455868

1006Square FramesUSU Championship 19971367869

1498Stroke at Full SpeedAutumn School Contest 2006413874

1578Mammoth HuntAutumn School Contest 2007363879

1630TalismanUSU Championship 2008317883

1608Lucky Tickets 2008Ural Championship 2008340884

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest386896

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest259896

1245PicturesUSU Personal Contest 2003434897

1324Extra SpacesUral Championship 2004. Round 2443897

1233Amusing NumbersNEERC 2002432898

1836Babel FishUral Championship 2011209900

1237Evacuation PlanNEERC 2002431901

1921Chaos and OrderUral Regional School Programming Contest 2012153907

1580Dean's DebtsAutumn School Contest 2007351909

1175Strange SequenceUSU Personal Contest 2002418912

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest254913

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest82919

1948The Robot on the LineUral FU Personal Contest 2012144920

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest286922

1979Resources DistributionUral Championship 2013124922

1761Binary PalindromeUSU Personal Contest 2010246923

1364LaraKillerUral Championship 2005. Round 2436926

1863Peaceful AtomUral FU Championship 2011186926

1285Thread in a HyperspaceUSU Personal Contest 2004427928

1976Game OptimizationUral Championship 2013123929

1575Yekaterinburg Subway 2Autumn School Contest 2007342932

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest306932

1883Ent's BirthdayUral Regional School Programming Contest 2011184932

1422FirefliesTimus Top Coders: First Challenge417936

1827Indigenous WarsUSU Personal Contest 2011204939

1730ManBearPigUral Regional School Programming Contest 2009254950

1278“… Connecting People”NEERC 2003 Central Subregional414952

1970皇后像廣場Ural FU Personal Contest 2013123956

1937Davy Jones’s OrganUral FU Championship 2012143958

1784RoundersUral SU Championship 2010215960

1339BabiesUSU Championship 2004418962

1435Financial ErrorUSU Personal Contest 2006403963

1949The Best Picture in the GalaxyUral FU Personal Contest 2012137964

1887Frequent Flyer CardNEERC 2011 Eastern Subregional176969

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest179971

1398Bishop and Pawn361972

1907Coffee and BunsUral Championship 2012143974

1418Military StoryUSU Championship 2005411980

1040Airline CompanyUSU Championship 20001187984

1983Nectar GatheringUral FU Championship 2013109984

1451Beerhouse TaleTimus Top Coders: Second Challenge387985

1130Nikifor's WalkUSU Championship 2001381992

1569Networking the “Iset”USU Championship 2007321993

1331VladislavaAutumn School Contest 2004402995

1591Abstract ThinkingNEERC 2007 Eastern Subregional317998

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3191004

1965Pear TreesUral FU Personal Contest 20131161009

1768Circular StringsUral Championship 20102201015

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3601020

1539Intelligence DataUSU Personal Contest 20073361021

1075Thread in a SpaceUSU Personal Contest 200110251034

1879GOV-internship 2Ural Regional School Programming Contest 20111641040

1518Jedi Riddle 3Timus Top Coders: Third Challenge3381041

1570Eating HighUSU Championship 20073061041

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2581042

1173Lazy SnailRomanian Online Contest December 20013631043

1862Very Wealthy MoleUral FU Championship 20111641043

1311Stable ConstructionUral Championship 2004. Round 13791045

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101961046

1151RadiobeaconsUral Championship 2001. Round 23611048

1722Observation DeckUral Regional School Programming Contest 20092271058

1687Numismatics for FunUSU Personal Contest 20092431084

1790Searching for the TruthUral Regional School Programming Contest 20101881088

1317HailUral Championship 2004. Round 23631090

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2111091

1341DeviceUSU Championship 20043641101

2055Urban GeographyUral Championship 2015541107

1434Buses in VasyukiUSU Personal Contest 20063471114

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1541119

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1221124

1444ElephpotamusUral Championship 20063401126

1985Prime SquareUral FU Championship 2013941126

1540Battle for the RingUSU Personal Contest 20073021133

1627JoinPetrozavodsk Winter 2008. ITMO Contest2501133

1447Portkey NetworkUral Championship 20063371136

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2301137

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2351149

1511Fiscal OperationsTimus Top Coders: Third Challenge3051150

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1501150

2007Mutants versus MachinesUral Regional School Programming Contest 2013901153

1968Glass PyramidUral FU Personal Contest 20131001156

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest631158

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1671161

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3101163

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1971165

1544Classmates 3Ural Championship 20072881167

1357Teakettle 1.0 for DummiesSpring School Contest 20053421171

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3441171

1458War GamesTimus Top Coders: Second Challenge3231174

1408Polynomial MultiplicationAutumn School Contest 20053411181

1736Chinese HockeyUSU Championship 20092001187

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1621194

1453QueenTimus Top Coders: Second Challenge3141206

1595Perfect Sequence2091208

1533Fat HobbitsUSU Personal Contest 20072821210

1766Humpty DumptyUral Championship 20101831210

1359ConstructionSpring School Contest 20053301213

1307ArchiverUral Championship 2004. Round 13241217

1807Cartridges for MaximNEERC 2010 Eastern Subregional1661217

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2971229

1035Cross-stitchUral Championship 19999541230

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2531241

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup931241

1310ACM DiagnosticsUral Championship 2004. Round 13171243

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2551247

1487Chinese FootballUSU Championship 20062831265

1946Chinese Hockey 3Ural FU Personal Contest 20121021265

1099Work Scheduling7041266

1538Towers of GuardUSU Personal Contest 20072691267

1546Japanese SortingUral Championship 20072641269

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1881270

1669Universal WordPetrozavodsk Winter 2008. USU Contest2111274

1321Floor IndicatorUral Championship 2004. Round 23081278

1686Photovoltaic SpaceshipUSU Personal Contest 20092041281

1947MeanderUral FU Personal Contest 20121001288

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2781292

1177Like ComparisonsUSU Personal Contest 20022911297

1657Cube SnakeNEERC 2008 Eastern Subregional2111297

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2631300

1393Average Common Prefix3031308

1171Lost in SpaceRomanian Online Contest December 20012851319

1050Preparing an ArticleUSU Local Contest. March 20008711321

1065FrontierNEERC 20008231322

1097Square Country 2USU Local Contest. March 20017451322

1328FireballAutumn School Contest 20042991326

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup861331

1360Philosophical DisputeUral Championship 2005. Round 23001332

1281River BasinNEERC 2003 Central Subregional2891350

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2521355

1499KerchiefsAutumn School Contest 20062601370

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2051370

1240Heroes of Might and MagicNEERC 20022791373

1318LogarithmUral Championship 2004. Round 22841383

1762Search for a Hiding-PlaceUSU Personal Contest 20101591399

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1431399

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional961400

1950Martian FarmlandsUral FU Personal Contest 2012901417

1419Maps of the Island WorldsUSU Championship 20052811418

1345HTMLUSU Championship 20042781430

1299PsyloniansSpring School Contest 20042731434

1265MirrorUSU Championship 20032711435

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1581435

1449Credit Operations 2Timus Top Coders: Second Challenge2621437

1266Kirchhoff's LawUSU Championship 20032701440

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2361443

20503D-modelingUral Championship 2015391446

1347BlogSpring School Contest 20052731457

1441From the History of Gringotts BankUral Championship 20062601460

1170DesertRomanian Online Contest December 20012551468

1412Autumn TideUSU Championship 20052701474

2059Not common palindromesPalindromic Contest 341485

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup761486

1770The Party of Ural ChampionsUral Championship 20101461497

1802Cube PuzzleNEERC 2010 Eastern Subregional1321508

1043Cover an ArcUSU Championship 20007691511

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest1111516

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2341525

1251Cemetery ManagerUSU Local Contest. March 20032511528

1908Brute-force SearchUral Championship 2012871536

1241Inlay CuttersNEERC 20022441564

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1211568

1886Trip 2NEERC 2011 Eastern Subregional1041581

1337BureaucracyAutumn School Contest 20042491582

1488ACM PokerUSU Championship 20062241584

1764TranssibUral Championship 20101361600

1568Train Car SortingUSU Championship 20071951604

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2481607

1565The Duel for ThreeUSU Championship 20071941612

1485Football and LieUSU Championship 20062181625

1782Jack's New WordUral SU Championship 20101221637

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1591653

1894Non-Flying WeatherNEERC 2011 Eastern Subregional991654

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest411657

1707Hypnotoad's SecretUral Championship 20091531660

1257HyphenationAutumn School Contest 20032291686

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1331686

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551693

1062TriathlonNEERC 20006391696

1734Endgame DatabaseUSU Championship 20091371696

1583CheeseNEERC 2007 Eastern Subregional1821701

1841CablewaysPetrozavodsk Summer 2010. USU Contest981704

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest981704

1420Integer-Valued Complex DivisionUSU Championship 20052301719

1516NostalgiaTimus Top Coders: Third Challenge2001726

1831Tsyfirkin's LessonUral Championship 20111031743

1338AutomobilesUSU Championship 20042261745

1046Geometrical DreamsUSU Local Contest. March 20006561747

1508Japanese PuzzleNEERC 2006 Eastern Subregional2001753

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012111758

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2041763

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015171763

1378Artificial IntelligenceUral Championship 2005. Round 12251764

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1771767

1610CactusesUral Championship 20081651769

1702CrossroadUral Championship 20091411792

1514National ParkTimus Top Coders: Third Challenge1921794

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1441814

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1841829

1304ParallelepipedUral Championship 19982111838

1425Queen 2Timus Top Coders: First Challenge2071841

1093DartsUSU Local Contest. March 20015321842

1615Tram SolitaireUral Championship 20081581843

1757Gold BarsUSU Personal Contest 20101181846

1492Vasya's Dad 2Autumn School Contest 20061901849

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1011850

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest891853

2022Riding a ToadNEERC 2014 Eastern Subregional371859

1417Space Poker 2USU Championship 20052101876

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1181884

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1371900

1503PolynomialNEERC 2006 Eastern Subregional1831907

1163ChapaevNEERC 2001 Northern Subregional1931916

1455Freedom of SpeechTimus Top Coders: Second Challenge1931925

1969Hong Kong TramUral FU Personal Contest 2013561927

1532Lost in TranslationUSU Personal Contest 20071721942

1216Two Pawns and One KingUSU Championship 20021921959

1148Building TowersDSAP Vietnam Online Contest November 20011881962

1977Energy WallUral Championship 2013531962

1634Spider MiteUSU Championship 20081371964

1781Clean CodeUral SU Championship 20101001964

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1331968

1187Statistical TroubleNEERC 20011871984

1839The MentaculusUral Championship 2011891990

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1301995

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional642005

1396Maximum. Version 21832014

1703Robotic ArmUral Championship 20091242020

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest1942032

1315MDPAR and MIIARUral Championship 2004. Round 11902033

1063Domino PuzzleNEERC 20005292041

1397Points Game1722046

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1832052

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1272055

1267Yekaterinburg SubwayUSU Championship 20031852068

1041NikiforUSU Championship 20005592069

1288AstrolocationUSU Personal Contest 20041862070

1188LibraryNEERC 20011782079

1541ChaseUSU Personal Contest 20071602079

1867NanotechnologiesUral FU Championship 2011772087

1074Very Short ProblemUSU Personal Contest 20015002099

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872118

1896War Games 2.1102118

1549Another Japanese PuzzleUral Championship 20071542121

1092TransversalUSU Local Contest. March 20014592129

1232Asteroid LandingNEERC 2002 Central Subregional1762129

2053BiologyUral Championship 2015232147

1543Dance RevolutionUral Championship 20071512160

1945Many-armed BrothersUral FU Personal Contest 2012552179

1504Good MannersNEERC 2006 Eastern Subregional1582191

1833Hopes of RowingUral Championship 2011792214

1850Space TourismPetrozavodsk Summer 2010. USU Contest732217

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest282224

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21752231

1652Banking CrisisNEERC 2008 Eastern Subregional1162274

1599Winding Number162282

1655Somali PiratesNEERC 2008 Eastern Subregional1152293

1270UnicubeUSU Championship 20031652304

1256Cemetery GuardUSU Local Contest. March 20031632305

1284Space PokerUSU Personal Contest 20041662305

1481Winning ChancesUSU Championship 20061492331

1758Bald Spot Revisited 2USU Personal Contest 2010912340

1835Swamp DoctorUral Championship 2011742345

1368Goat in the Garden 3Ural Championship 2005. Round 21662346

1882Old NokiaUral Regional School Programming Contest 2011672349

2051PhysicsUral Championship 2015202362

1735Theft of the CenturyUSU Championship 2009942398

1717Eligibility RulesNEERC 2009 Eastern Subregional942419

1829Routing TablesUSU Personal Contest 2011722450

2006Kirill the GardenerUral Regional School Programming Contest 2013372453

1739FaryuksUSU Championship 2009912469

1972Game TestingUral Championship 2013402472

1978E-LiteUral Championship 2013402472

1895Steaks on BoardNEERC 2011 Eastern Subregional622504

1275Knights of the Round TableNEERC 2003 Central Subregional1502522

1798Fire Circle. Version 2152544

1520Empire Strikes BackTimus Top Coders: Third Challenge1322552

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1192561

1300TaxesUral Championship 19981462604

1308Dean's PyramidUral Championship 2004. Round 11462606

1454Rectangles 2Timus Top Coders: Second Challenge1402606

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional862620

1865The Island of MärketUral FU Championship 2011592631

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional462650

1312TrayUral Championship 2004. Round 11422674

1239Ghost BustersNEERC 20021382680

1704DemodulationUral Championship 2009912680

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest582698

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest662703

1609Tram TileUral Championship 20081042715

2058100500 palidnromesPalindromic Contest 142722

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest572746

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1242777

1566Triangular PostcardsUSU Championship 20071072811

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest862842

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest892843

1505Oil TransferNEERC 2006 Eastern Subregional1192854

1637Triangle Game 2USU Championship 2008912859

1694Killer WordsPetrozavodsk Winter 2009. USU Contest852872

1464LightPetrozavodsk Winter 2006. USU Contest1202902

1856War and PeacePetrozavodsk Summer 2011. USU Contest532912

1957MundialPetrozavodsk Winter 2013. Kontur Cup332971

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup332972

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup332972

1395Pascal vs. C++. Version 21212978

1681Brother Bear's GardenUSU Personal Contest 2009822981

1482Triangle GameUSU Championship 20061142989

141140 Islands KnightsUSU Championship 20051263034

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest693053

1858Magic CubePetrozavodsk Summer 2011. USU Contest503057

1367Top SecretUral Championship 2005. Round 21243081

1058ChocolateNEERC 2000 Central Subregional3663082

2057Non-palidromic cuttingPalindromic Contest 113111

2061OEIS A216264Palindromic Contest 113111

1442Floo PowderUral Championship 20061163128

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest843134

1597Chernobyl’ Eagle on a Roof. Version 2193159

1975Model of the EarthUral Championship 2013293169

1909Space ReconUral Championship 2012373170

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest763172

1438Time Limit ExceededUSU Personal Contest 20061153182

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823202

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543210

2049ChemistryUral Championship 2015123221

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional363226

1834Tennis RacketUral Championship 2011513229

1429BiscuitsTimus Top Coders: First Challenge1133248

1938Caribbean TriangleUral FU Championship 2012353256

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523313

1166Funny Card GameNEERC 2001 Northern Subregional1103359

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1023369

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest153381

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest153381

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1123398

2077ReductionsQualification of eastern subregional contest 201543401

1616Square Country 4Ural Championship 2008783518

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest423538

1509Domino RecognitionNEERC 2006 Eastern Subregional943540

1733Forgotten TechnologyUSU Championship 2009603562

1632LasersUSU Championship 2008703610

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813631

1765Error 404Ural Championship 2010543649

1847ZamkadyePetrozavodsk Summer 2010. USU Contest403680


1598DSA Attack143730

1999The secret moduleNEERC 2013 Eastern Subregional213757

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup243758

1778Chinese Hockey 2Ural SU Championship 2010463859

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest963911

2054AstronomyUral Championship 201583935

2076VasianaQualification of eastern subregional contest 201523968

2016Magic and ScienceNEERC 2014 Eastern Subregional123972

1973Location GeneratorUral Championship 2013204120

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764127

1661DodecahedronPetrozavodsk Winter 2008. USU Contest574201

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest784229

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554330

1460WiresPetrozavodsk Winter 2006. USU Contest774336

1271Sailing DirectionsUSU Championship 2003814431

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest94449

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest724538

1967Programmer CasinoUral FU Personal Contest 2013184542

1799Sasha and swag strings34546

1340CucarachaUSU Championship 2004804577

1344Gigantic TurnipUSU Championship 2004804577

1594Aztec Treasure474647

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84696

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest474786

1797Summit Online Judge. Version 2214861

1763Expert FleaUral Championship 2010384865

1771A Deputy's MorningUral Championship 2010384865

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest654962

1426RectanglesTimus Top Coders: First Challenge695057

1801The Revolution CupNEERC 2010 Eastern Subregional325098

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest715118

1365Testing CalculatorUral Championship 2005. Round 2695226

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest465260

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest675383

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest445455

1372Death StarUral Championship 2005. Round 1655526

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest235559

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235576

1906The Lost CivilizationUral Championship 2012165730

1842Local RootsPetrozavodsk Summer 2010. USU Contest215936

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest526002

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366119

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356255

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional356368

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336495

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356546

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest216626

1363HalftonesUral Championship 2005. Round 2506880

1653Death ConveyorNEERC 2008 Eastern Subregional316989

1596Knight Mare147013

1536Delights of Pipe-weedUSU Personal Contest 2007387363

1432Twofold LuckUSU Personal Contest 2006398117

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268182

1840Victim of AdvertisingUral Championship 2011138565

1376Dean's Pyramid 2Ural Championship 2005. Round 1369009

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219009

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup49124

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269177

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2910629

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1610741

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1510912

1399Economical Director2310920

1374MisereUral Championship 2005. Round 12711201

1415Mobile LifeUSU Championship 20052611459

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712236

1708Sum of Digits 2Ural Championship 20091212299

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2212954

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1713144

1369Cockroach RaceUral Championship 2005. Round 21914235

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1318023

1548Sakura and StatisticsUral Championship 2007621736

1589SokobanNEERC 2007 Eastern Subregional423320

1394Ships. Version 2527636