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Problem set


1000A+B Problem6599218

1001Reverse Root1848119

1785Lost in LocalizationUral Regional School Programming Contest 20101026519

1293EniyaSpring School Contest 20041736923

1877Bicycle CodesUral Regional School Programming Contest 2011698023

1409Two GangstersAutumn School Contest 20051664424

1820Ural SteaksUSU Personal Contest 2011655328

1787Turn for MEGAUral Regional School Programming Contest 2010645730

1264WorkdaysAutumn School Contest 20031230732

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011501632

2001Mathematicians and BerriesUral Regional School Programming Contest 2013296832

2012About Grisha N.NEERC 2014 Eastern Subregional205732

1197Lonesome KnightSpring School Contest 20021137633

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional369135

1639Chocolate 2Autumn School Contest 2008724237

1924Four ImpsUral Regional School Programming Contest 2012335038

1313Some Words about SportUral Championship 2004. Round 1919743

12091, 10, 100, 1000...Autumn School Contest 2002861744


1567SMS-spamUSU Championship 2007693545

1319HotelUral Championship 2004. Round 2859746

1581TeamworkAutumn School Contest 2007673346

1225FlagsNEERC 2002 Central Subregional787448

1263ElectionsAutumn School Contest 2003781250

1585PenguinsNEERC 2007 Eastern Subregional616950

2023Donald is a postmanNEERC 2014 Eastern Subregional130350

1876Centipede's MorningUral Regional School Programming Contest 2011311152

1991The battle near the swampNEERC 2013 Eastern Subregional182352

1881Long problem statementUral Regional School Programming Contest 2011305653

1100Final StandingsTetrahedron Team Online Contest May 2001689654

1327FusesAutumn School Contest 2004721255

1893A380NEERC 2011 Eastern Subregional291655

1110PowerBulgarian Online Contest September 2001644958

1243Divorce of the Seven DwarfsUSU Personal Contest 2003666958

1493One Step from HappinessAutumn School Contest 2006614458

1349FarmSpring School Contest 2005673459

1607TaxiUSU Personal Contest 2008490860

1925British Scientists Save the WorldUral Regional School Programming Contest 2012207861

1496SpammerAutumn School Contest 2006570862

1545HieroglyphsUral Championship 2007538062

1636Penalty TimeUSU Championship 2008430363

1196History ExamSpring School Contest 2002575165

1837Isenbaev's NumberUral Championship 2011271065

1149Sinus Dances564666

2002Test TaskUral Regional School Programming Contest 2013140167

1617Flat SpotsUral Championship 2008431168

1654Cipher MessageNEERC 2008 Eastern Subregional394268

1723Sandro's BookUral Regional School Programming Contest 2009340768

1563BayanUSU Championship 2007449469

2005Taxi for ProgrammersUral Regional School Programming Contest 2013135769

1131CopyingUSU Championship 2001524571

1025Democracy in DangerAutumn School Contest 20001583072

1457Heating MainTimus Top Coders: Second Challenge521872

1224SpiralNEERC 2002 Central Subregional519073

2035Another Dress RehearsalUral Regional School Programming Contest 201486973

1792Hamming CodeUral Regional School Programming Contest 2010266274

1935Tears of DrownedUral FU Championship 2012166675

1712Cipher GrilleNEERC 2009 Eastern Subregional306476

2011Long StatementUral Regional School Programming Contest 2013123076

1083Factorials!!!Spring School Contest 20011310577

1502Domino DotsNEERC 2006 Eastern Subregional434281

1194HandshakesSpring School Contest 2002452783

1139City BlocksNEERC 2001 Central Subregional442284

1638BookwormUSU Championship 2008323284

2031Overturned NumbersUral Regional School Programming Contest 201474885

1106Two TeamsTetrahedron Team Online Contest May 2001430286

1120Sum of Sequential NumbersAutumn School Contest 2001433086

1290SabotageSpring School Contest 2004457186

1404Easy to Hack!Autumn School Contest 2005462586

1902Neo-VeniceUral Championship 2012147287

1180Stone GameUSU Personal Contest 2002417390

1796Amusement ParkUral Regional School Programming Contest 2010213092

1601AntiCAPSUSU Personal Contest 2008317293

1161StripiesNEERC 2001 Northern Subregional397194

1510OrderNEERC 2006 Eastern Subregional373794

2025Line FightingUral Regional School Programming Contest 201467994

1119MetroAutumn School Contest 2001393095

16421D MazeAutumn School Contest 2008282895

1786Sandro's BiographyUral Regional School Programming Contest 2010206295

1005Stone PileUSU Championship 19971200096

1297PalindromeSpring School Contest 2004405596

1731DillUral Regional School Programming Contest 2009240996

2010Sasha the Young GrandmasterUral Regional School Programming Contest 201396597

1009K-based NumbersUSU Championship 19971176098

1644A Whole Lot of WalnutsAutumn School Contest 2008276298

1446Sorting HatUral Championship 2006384299

2033DevicesUral Regional School Programming Contest 201464199

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013677100

1146Maximum SumDSAP Vietnam Online Contest November 20013713100

1214Strange ProcedureAutumn School Contest 20023710102

1370MagicianUral Championship 2005. Round 23913102

1873GOV ChroniclesUral Regional School Programming Contest 20111558103

1228ArrayNEERC 2002 Central Subregional3647104

1777AnindilyakwaUral SU Championship 20101867105

1136ParliamentNEERC 2001 Central Subregional3520106

1020RopeAutumn School Contest 200010625108

1118Nontrivial NumbersAutumn School Contest 20013432108

1014Product of DigitsUSU Local Contest. 199910504109

1203Scientific ConferenceUSU Local Contest. March 20023416110

1573AlchemyAutumn School Contest 20072839110

1330IntervalsAutumn School Contest 20043564111

1296HyperjumpSpring School Contest 20043499112

1082Gaby IvanushkaSpring School Contest 20018946113

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional573113

1079MaximumWinter Mathematical Festival Varna 20018821115

1192Ball in a DreamSpring School Contest 20023255115

1582BookmakersNEERC 2007 Eastern Subregional2667116

2000Grand Theft Array VUral Regional School Programming Contest 2013804116

1044Lucky Tickets. Easy!USU Championship 20009658117

1226esreveR redrONEERC 2002 Central Subregional3218118

1711Code NamesNEERC 2009 Eastern Subregional1952119

1126Magnetic StormsUSU Championship 20013108120

1219Symbolic SequenceUSU Championship 20023142121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023084122

1868Prediction ContestUral FU Championship 20111295124

1086CryptographySpring School Contest 20018042125

1123SalaryAutumn School Contest 20012957126

1353Milliard Vasya's FunctionSpring School Contest 20053115127

1683FridgeUSU Personal Contest 20091989129

1688Team.GOV!USU Personal Contest 20091981129

1283DwarfUSU Personal Contest 20042972131

1336Problem of Ben BetsalelAutumn School Contest 20043007131

1725Sold Out!Ural Regional School Programming Contest 20091772131

1931Excellent TeamUral FU Championship 2012946132

1260Nudnik PhotographerAutumn School Contest 20032891134

1964Chinese DialectsUral FU Personal Contest 2013786134

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101443135

1984Dummy GuyOpen Ural FU Championship 2013703135

1022Genealogical TreeAutumn School Contest 20008436136

1021Sacrament of the SumAutumn School Contest 20008272138

1352Mersenne PrimesSpring School Contest 20052880138

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional678139

1740Deer is Better!USU Championship 20091644140

1222Chernobyl’ EaglesUSU Championship 20022678142

1612Tram ForumUral Championship 20082056142

1026Questions and AnswersAutumn School Contest 20007998143

1402CocktailsAutumn School Contest 20052791143

1821BiathlonUSU Personal Contest 20111264143

1864Get-Together at Den'sUral FU Championship 20111123143

1982Electrification PlanOpen Ural FU Championship 2013662143

2018The Debut AlbumNEERC 2014 Eastern Subregional450143

1142RelationsDSAP Vietnam Online Contest November 20012584144

1576Telephone TariffsAutumn School Contest 20072123146

1178Akbardin’s RoadsUSU Personal Contest 20022508149

1084Goat in the GardenSpring School Contest 20016729150

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional820154

1756One and a Half DiggersUSU Personal Contest 20101396155

1878Rubinchik's CubeUral Regional School Programming Contest 20111029155

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional413155

1306Sequence MedianUral Championship 19982498156

1572Yekaterinozavodsk Great WellAutumn School Contest 20071993156

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional804157

1210Kind SpiritsAutumn School Contest 20022388159

1073Square CountryUSU Personal Contest 20016317163

1709Penguin-AviaUral Championship 20091546163

1944Record of the Attack at the OrbitUral FU Personal Contest 2012729164

1135RecruitsNEERC 2001 Central Subregional2258165

1157Young TilerUral Championship 2001. Round 22260165

1295Crazy NotionsSpring School Contest 20042368165

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101183165

1017StaircasesUSU Local Contest. 19996892166

1167Bicolored HorsesRomanian Online Contest December 20012243166

1874Football GoalUral Regional School Programming Contest 2011962166

1506Columns of NumbersNEERC 2006 Eastern Subregional2106167

1213Cockroaches!Autumn School Contest 20022217171

1769Old Ural LegendUral Championship 20101250171

1800Murphy's LawNEERC 2010 Eastern Subregional1133171

1012K-based Numbers. Version 26667172

1280Topological SortingNEERC 2003 Central Subregional2247172

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091342172

1869New Year CruiseUral FU Championship 2011926173

1613For Fans of StatisticsUral Championship 20081669175

1640Circle of WinterAutumn School Contest 20081524176

1789Searching for the DodecahedronUral Regional School Programming Contest 20101107176

1354Palindrome. Again PalindromeSpring School Contest 20052235177

1413Mars JumperUSU Championship 20052221179

1685OrthographyUSU Personal Contest 20091426179

1193Queue at the ExamSpring School Contest 20022085180

1272Non-Yekaterinburg SubwayUSU Championship 20032155180

1048Superlong SumsUSU Local Contest. March 20006143181

1335White ThesisAutumn School Contest 20042162182

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional351182

1586Threeprime NumbersNEERC 2007 Eastern Subregional1685183

1134CardsNEERC 2001 Central Subregional2017184

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1454184

1102Strange DialogTetrahedron Team Online Contest May 20011967187

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1389187

1930Ivan's CarUral Regional School Programming Contest 2012671187

1846GCD 2010Petrozavodsk Summer 2010. USU Contest867188

1164FillwordNEERC 2001 Northern Subregional1971189

1114BoxesBulgarian Online Contest September 20011927192

1208Legendary Teams ContestUSU Local Contest. March 20021949192

1645Ski RaceAutumn School Contest 20081400192

2056ScholarshipUral Championship 2015243192

1885Passenger ComfortNEERC 2011 Eastern Subregional819194

1207Median on the PlaneUSU Local Contest. March 20021924195

1133Fibonacci SequenceNEERC 2001 Central Subregional1881198

1138Integer PercentageNEERC 2001 Central Subregional1877198

1023ButtonsAutumn School Contest 20005753199

1680The First NonqualifyingUSU Personal Contest 20091278199

1112CoverBulgarian Online Contest September 20011837202

1423String TaleTimus Top Coders: First Challenge1883203

1987Nested SegmentsOpen Ural FU Championship 2013456206

2024Adventure TimeUral Regional School Programming Contest 2014303206

1002Phone NumbersCentral European Olympiad in Informatics 19995437211

1249Ancient NecropolisUSU Local Contest. March 20031808211

1152False MirrorsUral Championship 2001. Round 21757212

1348Goat in the Garden 2Spring School Contest 20051862213

1200Horns and HoofsUSU Local Contest. March 20021739215

1515CashmasterTimus Top Coders: Third Challenge1581218

1737Mnemonics and Palindromes 3USU Championship 20091053218

1052Rabbit HuntUSU Local Contest. March 20005083220

1011ConductorsUSU Championship 19975187221

1491Unreal StoryAutumn School Contest 20061593221

1922Superhero TeamUral Regional School Programming Contest 2012567221

1889Airport AnnouncementsNEERC 2011 Eastern Subregional712223

1998The old PadawanNEERC 2013 Eastern Subregional414225

2003Simple MagicUral Regional School Programming Contest 2013406226

1125HopscotchUSU Championship 20011636227

1490Fire CircleAutumn School Contest 20061552227

1033LabyrinthUral Championship 19994967229

1795Husband in a ShopUral Regional School Programming Contest 2010840231

1024PermutationsAutumn School Contest 20004931232

1494MonobilliardsAutumn School Contest 20061519232

1183Brackets SequenceNEERC 20011607233

1333Genie Bomber 2Autumn School Contest 20041679234

1049Brave BalloonistsUSU Local Contest. March 20004760235

1981Parallel and PerpendicularOpen Ural FU Championship 2013396236

1150Page NumbersUral Championship 2001. Round 21557239

2021Scarily interesting!NEERC 2014 Eastern Subregional264239

1635Mnemonics and PalindromesUSU Championship 20081122240

1826MinefieldUSU Personal Contest 2011748240

1122GameAutumn School Contest 20011526243

1191Catch the thief!Spring School Contest 20021539243

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1635243

1355Bald Spot RevisitedSpring School Contest 20051617245

1204IdempotentsUSU Local Contest. March 20021513247

1108HeritageBulgarian Online Contest September 20011491248

1247Check a SequenceUSU Personal Contest 20031535249

1205By the Underground or by Foot?USU Local Contest. March 20021498250

1113JeepBulgarian Online Contest September 20011476251

1242WerewolfUSU Personal Contest 20031520251

1718RejudgeNEERC 2009 Eastern Subregional921251

1603EruditeUSU Personal Contest 20081168252

1010Discrete FunctionUSTU PhysTech Cup 20004535253

1779The Great TeamUral SU Championship 2010768254

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20013975256

1433DiamondsUSU Personal Contest 20061490256

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012488256

1298KnightSpring School Contest 20041511258

1823Ideal GasUSU Personal Contest 2011693259

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1296260

1303Minimal CoverageUral Championship 19981489262

1933Guns for Battle!Ural FU Championship 2012471262

1195Ouths and CrossesSpring School Contest 20021416264

1080Map ColoringWinter Mathematical Festival Varna 20013840265

1726VisitsUral Regional School Programming Contest 2009866266

1087The Time to Take StonesSpring School Contest 20013767267

1028StarsUral Championship 19994231269

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031412270

1047Simple CalculationsUSU Local Contest. March 20004119271

1109ConferenceBulgarian Online Contest September 20011365271

1220StacksUSU Championship 20021389273

1211Collective GuaranteeAutumn School Contest 20021371276

1117HierarchyAutumn School Contest 20011334277

1179Numbers in TextUSU Personal Contest 20021346277

1989SubpalindromesOpen Ural FU Championship 2013335278

1590Bacon’s CipherNEERC 2007 Eastern Subregional1096281

1658Sum of DigitsNEERC 2008 Eastern Subregional950281

1537EntsUSU Personal Contest 20071181284

1032Find a MultipleUral Championship 19993464287

1244GentlemenUSU Personal Contest 20031326287

1684Jack's Last WordUSU Personal Contest 2009885287

1053PinocchioNEERC 2000 Central Subregional3856289

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional663290

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014212290

1741Communication FiendUSU Championship 2009786291

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest754292

1497Cutting a SquareAutumn School Contest 20061199293

1018Binary Apple TreeUSU Local Contest. 19993891294

1184Cable MasterNEERC 20011262296

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1196296

1904The Lessons of the PastUral Championship 2012425296

1501Sense of BeautyNEERC 2006 Eastern Subregional1180297

1551Sumo TournamentUral Championship 20071103298

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1180300

1377Lara CroftUral Championship 2005. Round 11322301

1941Scary Martian WordUral FU Personal Contest 2012390303

1753BookshelfUSU Personal Contest 2010707304

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional304304

1793Tray 2Ural Regional School Programming Contest 2010635305

1036Lucky Tickets3711307

1215Exactness of Projectile HitAutumn School Contest 20021224309

2026Dean and ScheduleUral Regional School Programming Contest 2014198310

1116Piecewise Constant FunctionAutumn School Contest 20011188311

1127Colored BricksUSU Championship 20011181313

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest696316

1190Bar of ChocolateSpring School Contest 20021168319

1121BranchesAutumn School Contest 20011155320

1153SupercomputerUral Championship 2001. Round 21155321

1294Mars SatellitesSpring School Contest 20041211321

1008Image EncodingUSTU PhysTech Cup 20003562322

1992CVSNEERC 2013 Eastern Subregional285323

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest777325

2034CaravansUral Regional School Programming Contest 2014188325

1995Illegal spicesNEERC 2013 Eastern Subregional283326

1934Black SpotUral FU Championship 2012375328

1302Delta-waveUral Championship 19981183329

1029MinistryUral Championship 19993001331

1588JamaicaNEERC 2007 Eastern Subregional929331

1124MosaicUSU Championship 20011112333

1648YachtsAutumn School Contest 2008799334

1604Country of FoolsUSU Personal Contest 2008874335

1060Flip GameNEERC 20003136337

1137Bus RoutesNEERC 2001 Central Subregional1094338

1901Space ElevatorsUral Championship 2012369340

1185WallNEERC 20011089342

1201Which Day Is It?USU Local Contest. March 20021090342

1227Rally ChampionshipNEERC 2002 Central Subregional1103343

1320Graph DecompositionUral Championship 2004. Round 21130344

1406Next NumberAutumn School Contest 20051147346

1031Railway TicketsUral Championship 19993279347

1828Approximation by a ProgressionUSU Personal Contest 2011513348

1223Chernobyl’ Eagle on a RoofUSU Championship 20021079350

1963KiteUral FU Personal Contest 2013293351

1090In the Army NowUSU Local Contest. March 20012713353

1140Swamp IncidentNEERC 2001 Central Subregional1049353

1521War Games 2Timus Top Coders: Third Challenge971354

1923Scary PoliticsUral Regional School Programming Contest 2012349355

1483Table FootballUSU Championship 2006988356

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest450356

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014171356

1262Pseudo-Roman NumberAutumn School Contest 20031075358

1007Code WordsUSU Championship 19973189360

1160NetworkNEERC 2001 Northern Subregional1052360

1517Freedom of ChoiceTimus Top Coders: Third Challenge951361

1218Episode N-th: The Jedi TournamentUSU Championship 20021041363

1261TipsAutumn School Contest 20031061363

1450Russian PipelinesTimus Top Coders: Second Challenge1028363

1759Long-LiversUSU Personal Contest 2010590364

1282Game TreeNEERC 2003 Central Subregional1053366

1783Nuclear Arms RaceUral SU Championship 2010530366

1055CombinationsNEERC 2000 Central Subregional3031367

1292Mars Space StationsSpring School Contest 20041057367

1156Two RoundsUral Championship 2001. Round 21004369

1246Tethered DogUSU Personal Contest 20031027370

1574Mathematicians and bracketsAutumn School Contest 2007832371

1013K-based Numbers. Version 3175372

1431DiplomasUSU Personal Contest 20061017373

1403CourierAutumn School Contest 20051060374

1631Drunk King 2USU Championship 2008713376

1346Intervals of MonotonicityUSU Championship 20041045377

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional163379

1078SegmentsWinter Mathematical Festival Varna 20012671380

1651Shortest SubchainNEERC 2008 Eastern Subregional697381

1039Anniversary PartyUSU Championship 20002949382

1229Strong BrickworkNEERC 2002 Central Subregional985383

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional407385

1860FiborialPetrozavodsk Summer 2011. USU Contest415386

1003ParityCentral European Olympiad in Informatics 19992960388

1259How to Become Star?Autumn School Contest 2003992388

1562GM-pineappleUSU Championship 2007796388

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest860390

1015Test the Difference!USU Local Contest. 19992923391

1489Points on a ParallelepipedAutumn School Contest 2006894392

1774Barber of the Army of MagesUral SU Championship 2010492393

1942Attack at the OrbitUral FU Personal Contest 2012298393

1176HyperchannelsUSU Personal Contest 2002941395

1115ShipsBulgarian Online Contest September 2001930396

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest658396

1279WarehouseNEERC 2003 Central Subregional971397

1407One-two, One-twoAutumn School Contest 2005997398

1094E-screenUSU Local Contest. March 20012394399

2030Awesome Backup SystemUral Regional School Programming Contest 2014151400

1217Unlucky TicketsUSU Championship 2002940401

1427SMSTimus Top Coders: First Challenge950401

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest545402

1289One Way TicketUSU Personal Contest 2004961403

1111SquaresBulgarian Online Contest September 2001911405

1356Something EasierSpring School Contest 2005973405

1141RSA Attack902410

1038Spell CheckerUSU Championship 20002745411

1287Mars CanalsUSU Personal Contest 2004942411

1732Ministry of TruthUSU Championship 2009552412

1495One-two, One-two 2Autumn School Contest 2006847414

1571InterpretersUSU Championship 2007746414

1107Warehouse ProblemTetrahedron Team Online Contest May 2001881415

1350CanteenSpring School Contest 2005949415

1480CouponsUSU Championship 2006839419

1077Travelling Tours876421

1089Verification with a VocabularySpring School Contest 20012389421

1507Difficult DecisionNEERC 2006 Eastern Subregional829421

1602ElevatorUSU Personal Contest 2008693421

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional294421

1252Sorting the TombstonesUSU Local Contest. March 2003899423

1700AwakeningUral Championship 2009584426

1128Partition into GroupsUSU Championship 2001865427

1202Rectangles TravelUSU Local Contest. March 2002870428

1513Lemon TaleTimus Top Coders: Third Challenge801428

1519Formula 1Timus Top Coders: Third Challenge799429

1181Cutting a Painted PolygonUSU Personal Contest 2002865430

1971Graphics SettingsUral Championship 2013229430

1019Line PaintingUSU Local Contest. 19992632434

1291Gear-wheelsSpring School Contest 2004892434

1776Anniversary FireworkUral SU Championship 2010442437

1641DutiesAutumn School Contest 2008606439

1221Malevich Strikes Back!USU Championship 2002854441

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional432442

1416ConfidentialUSU Championship 2005881447

1051Simple Game on a GridUSU Local Contest. March 20002484448

1890Money out of Thin AirNEERC 2011 Eastern Subregional348449

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014133451

2046The First Day at SchoolUral Championship 201598451

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001816453

1643Attack of the Dark FortressAutumn School Contest 2008587453

1728Curse on Team.GOVUral Regional School Programming Contest 2009504453

1129Door PaintingUSU Championship 2001808456

1258PoolAutumn School Contest 2003838458

1410CrackUSU Championship 2005860458

1072RoutingUSU Personal Contest 20012212463

1189Pairs of IntegersNEERC 2001795467

1155TroubleduonsUral Championship 2001. Round 2789468

1535The Hobbit or There and Back AgainUSU Personal Contest 2007709470

2004Scientists from SpilkovoUral Regional School Programming Contest 2013190471

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest123471

1091Tmutarakan ExamsUSU Local Contest. March 20012015474

1871Seismic WavesUral FU Championship 2011331475

2009Canteen LineUral Regional School Programming Contest 2013188476

1162Currency ExchangeNEERC 2001 Northern Subregional774477

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014125477

1343Fairy TaleUSU Championship 2004821479

1428Jedi RiddleTimus Top Coders: First Challenge794479

1525PathPetrozavodsk Winter 2007. D.Gozman Contest698480

1980Road to InvestorUral Championship 2013204480

1236Decoding TaskNEERC 2002785481

1900Brainwashing DeviceUral Championship 2012257482

1628White StreaksUSU Championship 2008552484

1401GamersAutumn School Contest 2005813487

1870Zinium 2Ural FU Championship 2011321489


1095Nikifor 3USU Local Contest. March 20011944491

1329Galactic HistoryAutumn School Contest 2004792493

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional463494

1273TieUSU Championship 2003776495

1579Coat TransportationAutumn School Contest 2007619496

1891Language OceanNEERC 2011 Eastern Subregional314496

1430Crime and PunishmentTimus Top Coders: First Challenge763498

1066GarlandNEERC 20002107500

1103Pencils and CirclesTetrahedron Team Online Contest May 2001728501

1212BattleshipAutumn School Contest 2002751501

1729Dead Man's ChestUral Regional School Programming Contest 2009454502

1928Another Ecology ProblemUral Regional School Programming Contest 2012244502

1884Way to the UniversityUral Regional School Programming Contest 2011311503

1326Bottle TapsUral Championship 2004. Round 2768504

1754Explosion in a PyramidUSU Personal Contest 2010423504

1316Electronic AuctionUral Championship 2004. Round 1765506

1322SpyUral Championship 2004. Round 2766506

1056Computer NetNEERC 2000 Central Subregional2180510

1182Team Them Up!NEERC 2001726511

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional118512

1158Censored!NEERC 2001 Northern Subregional712518

1238FoldingNEERC 2002727519

1966Cycling RoadsUral FU Personal Contest 2013194521

1838Samurai's StrokeUral Championship 2011331522

1334CheckersAutumn School Contest 2004745524

1069Prufer CodeUSU Personal Contest 20011950525

1990PodracingNEERC 2013 Eastern Subregional171527

1366PresentsUral Championship 2005. Round 2745528

1803The Czechs' RiflesNEERC 2010 Eastern Subregional360528

1045Funny GameUSU Local Contest. March 20002106529

1577E-mailAutumn School Contest 2007577532

1600AirportUSU Personal Contest 2008547532

1962In Chinese RestaurantUral FU Personal Contest 2013190532

1439Battle with You-Know-WhoUral Championship 2006698536

1143Electric PathDSAP Vietnam Online Contest November 2001685538

1314Chase in SubwayUral Championship 2004. Round 1714542

1400Cellular CharactersAutumn School Contest 2005726544

1027D++ AgainAutumn School Contest 20002079548

1806Mobile TelegraphsNEERC 2010 Eastern Subregional346549

1101Robot in the FieldTetrahedron Team Online Contest May 2001661551

1414Astronomical DatabaseUSU Championship 2005714551

1939First SealUral FU Championship 2012219551

1064Binary SearchNEERC 20001890557

1362Classmates 2Ural Championship 2005. Round 2704559


1994The Emperor's planNEERC 2013 Eastern Subregional160561

1085MeetingSpring School Contest 20011783563

1605Devil's SequenceUSU Personal Contest 2008516563

1866Poetic FootUral FU Championship 2011278563

1710Boris, You Are Wrong!Ural Championship 2009439564

1713Key SubstringsNEERC 2009 Eastern Subregional404564

1061Buffer ManagerNEERC 20001865565

1004Sightseeing TripCentral European Olympiad in Informatics 19992023566

1822Hugo II's WarUSU Personal Contest 2011310568

1071Nikifor 2USU Personal Contest 20011800569

1550Dean's Pyramid 3Ural Championship 2007574569

1767The House of Doctor DeeUral Championship 2010368569

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005688571

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest541571

1892Morning in KoltsovoNEERC 2011 Eastern Subregional271572

1903Unidentified ShipsUral Championship 2012215572

1059ExpressionNEERC 2000 Central Subregional1934574

1437Gasoline StationUSU Personal Contest 2006658574

1698Square Country 5Petrozavodsk Winter 2009. USU Contest435574

1650BillionairesNEERC 2008 Eastern Subregional458576

1701Ostap and PartnersUral Championship 2009429577

1448Lighting in HogwartsUral Championship 2006646579

1421Credit OperationsTimus Top Coders: First Challenge654580

1534Football in GondorUSU Personal Contest 2007568585

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional209585

1070Local TimeUSU Personal Contest 20011746586

1445Christmas giftsUral Championship 2006636588

1659Regular TrianglesNEERC 2008 Eastern Subregional447590

1375Bill CleversUral Championship 2005. Round 1667592

1592Chinese WatchesNEERC 2007 Eastern Subregional514592

1760Infernal WorkUSU Personal Contest 2010357594

1172Ship RoutesRomanian Online Contest December 2001617597

1682Crazy ProfessorUSU Personal Contest 2009419599

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest513601

1706Cipher Message 2Ural Championship 2009411601

1067Disk TreeNEERC 20001746602

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest94603

1054Hanoi TowerNEERC 2000 Central Subregional1832606

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest448606

1690Army of MagesPetrozavodsk Winter 2009. USU Contest411607

1358CablesSpring School Contest 2005643610

1932The Secret of IdentifierUral FU Championship 2012197610

1943Space RummyUral FU Personal Contest 2012188612

1940Not So Simple YearsUral FU Championship 2012195615

1325DirtUral Championship 2004. Round 2621622

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest253623

1309DisputeUral Championship 2004. Round 1617626

1961Cantonese DialectUral FU Personal Contest 2013160626

1465Pawn GamePetrozavodsk Winter 2006. USU Contest568627

2008SwiftyUral Regional School Programming Contest 2013140628

2047MathsUral Championship 201567632


1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup159633

1096Get the Right Route Plate!USU Local Contest. March 20011484643

1234BricksNEERC 2002582646

1248Sequence SumUSU Personal Contest 2003581650

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional187650

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012186650

1088Ilya MurometzSpring School Contest 20011541651

1174Weird PermutationsRomanian Online Contest December 2001565651

1253NecrologuesUSU Local Contest. March 2003576656

1452Pascal vs. C++Timus Top Coders: Second Challenge564656

1872Spacious OfficeUral FU Championship 2011237656

1606SlalomUSU Personal Contest 2008441657

1986Paul’s SaladsOpen Ural FU Championship 2013136657

1254Die HardUSU Local Contest. March 2003574658

1755CakeUSU Personal Contest 2010321659

1542AutocompletionUral Championship 2007493660

1186Chemical ReactionsNEERC 2001558662

1974Similar TunesUral Championship 2013145662

1443RailsUral Championship 2006563663

1773Metro to Every HomeUral Championship 2010313666

1832Arirang ShowUral Championship 2011257666

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009337671

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup149673

1332Genie BomberAutumn School Contest 2004576675

1564Counting OnesUSU Championship 2007453676

1633HippogriffsUSU Championship 2008392676

1830Help in the RNOSUral Championship 2011252679

1500Pass LicensesNEERC 2006 Eastern Subregional507683

1371Cargo AgencyUral Championship 2005. Round 1575685

1988Planet Ocean LandingOpen Ural FU Championship 2013130686

1875Angry BirdsUral Regional School Programming Contest 2011224690

1440Training ScheduleUral Championship 2006535697

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest502698

1996Cipher Message 3NEERC 2013 Eastern Subregional126701

1629TripUSU Championship 2008377702

1274Fractional ArithmeticNEERC 2003 Central Subregional543704

1775Space BowlingUral SU Championship 2010269707

1486Equal SquaresUSU Championship 2006492708

1772Ski-Trails for RobotsUral Championship 2010294708

1286Starship TravelUSU Personal Contest 2004542709

1301Cube in LabyrinthUral Championship 1998542710

1034Queens in Peaceful PositionsUral Championship 19991596711

1230Introspective ProgramNEERC 2002 Central Subregional525713

2048HistoryUral Championship 201558716

1305Convex HullUral Championship 1998537717

2017Best of a bad lotNEERC 2014 Eastern Subregional81721

1057Amount of DegreesNEERC 2000 Central Subregional1534723

1037Memory ManagementUSU Championship 20001550725

1780Gray CodeUral SU Championship 2010262726

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional259726

1168Radio StationsRomanian Online Contest December 2001505727

1611DecimationUral Championship 2008390733

1614National Project “Trams”Ural Championship 2008389734

1016Cube on the WalkUSU Local Contest. 19991546737

1132Square Root497737

1235Cricket FieldNEERC 2002507739

1405Goat in the Garden 5Autumn School Contest 2005532739

1159FenceNEERC 2001 Northern Subregional495741

1825Ifrit Bomber 2USU Personal Contest 2011235742

1250Sea BurialUSU Local Contest. March 2003506745

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest409750

1936RoshamboUral FU Championship 2012158751

1646Godzilla Strikes Back!Autumn School Contest 2008349753

1738Computer SecurityUSU Championship 2009294761

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest464765

1484Film RatingUSU Championship 2006454766

1587Flying PigNEERC 2007 Eastern Subregional395766

1424MinibusTimus Top Coders: First Challenge492767

1512ZiniumTimus Top Coders: Third Challenge442768

1927Herbs and MagicUral Regional School Programming Contest 2012156768

1434Buses in VasyukiUSU Personal Contest 2006484776

1169PairsRomanian Online Contest December 2001472777

1042Central HeatingUSU Championship 20001444778

1716Alternative SolutionNEERC 2009 Eastern Subregional288784

1392Dreaming of Stars500785

1705Gangster HaresUral Championship 2009309794

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest439795

1905Travel in TimeUral Championship 2012151799

1689Fisherman and BarbellUSU Personal Contest 2009311800

1720Summit Online JudgeNEERC 2009 Eastern Subregional282800

1593Square Country. Version 2314801

1030TitanicUral Championship 19991408805

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest221807

1547Password SearchUral Championship 2007400810

1276TrainNEERC 2003 Central Subregional470811

1647Divide an Island!Autumn School Contest 2008323812

1165SubnumberNEERC 2001 Northern Subregional450814

1456Jedi Riddle 2Timus Top Coders: Second Challenge449820

1268Little ChuUSU Championship 2003463822

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest66825

1715Another Ball KillerNEERC 2009 Eastern Subregional273826

1105Observers ColoringTetrahedron Team Online Contest May 2001436829

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest473829

1379Cups TransportationUral Championship 2005. Round 1470834

1948The Robot on the LineUral FU Personal Contest 2012135836

1269Obscene Words FilterUSU Championship 2003455837

1824Ifrit BomberUSU Personal Contest 2011207838

1630TalismanUSU Championship 2008310849

1147Shaping RegionsDSAP Vietnam Online Contest November 2001428854

1921Chaos and OrderUral Regional School Programming Contest 2012139855

1154Mages ContestUral Championship 2001. Round 2427856

1608Lucky Tickets 2008Ural Championship 2008332857

1863Peaceful AtomUral FU Championship 2011178862

1006Square FramesUSU Championship 19971323863

1979Resources DistributionUral Championship 2013109863

1970皇后像廣場Ural FU Personal Contest 2013113865

1498Stroke at Full SpeedAutumn School Contest 2006399867

1836Babel FishUral Championship 2011195867

1436BillboardUSU Personal Contest 2006430871

1323ClassmatesUral Championship 2004. Round 2440872

1949The Best Picture in the GalaxyUral FU Personal Contest 2012129872

1983Nectar GatheringOpen Ural FU Championship 2013100873

1883Ent's BirthdayUral Regional School Programming Contest 2011174877

1761Binary PalindromeUSU Personal Contest 2010238880

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest375882

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest243882

1233Amusing NumbersNEERC 2002423883

1324Extra SpacesUral Championship 2004. Round 2432888

1578Mammoth HuntAutumn School Contest 2007340891

1342EnterpriseUSU Championship 2004436892

1277Cops and ThievesNEERC 2003 Central Subregional424897

1373Pictura ex MachinaUral Championship 2005. Round 1436898

1976Game OptimizationUral Championship 2013104901

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest298902

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest388911

1245PicturesUSU Personal Contest 2003411912

1580Dean's DebtsAutumn School Contest 2007330918

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest233918

1364LaraKillerUral Championship 2005. Round 2424919

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest268919

1937Davy Jones’s OrganUral FU Championship 2012127921

1278“… Connecting People”NEERC 2003 Central Subregional404940

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest164942

1237Evacuation PlanNEERC 2002396943

1285Thread in a HyperspaceUSU Personal Contest 2004405943

1575Yekaterinburg Subway 2Autumn School Contest 2007321943

1730ManBearPigUral Regional School Programming Contest 2009235951

1827Indigenous WarsUSU Personal Contest 2011181952

1422FirefliesTimus Top Coders: First Challenge393956

1784RoundersUral SU Championship 2010196958

1887Frequent Flyer CardNEERC 2011 Eastern Subregional157962

1398Bishop and Pawn347968

1879GOV-internship 2Ural Regional School Programming Contest 2011156972

1175Strange SequenceUSU Personal Contest 2002375976

1040Airline CompanyUSU Championship 20001148977

1451Beerhouse TaleTimus Top Coders: Second Challenge374980

1569Networking the “Iset”USU Championship 2007309981

1907Coffee and BunsUral Championship 2012121982

1418Military StoryUSU Championship 2005395984

1768Circular StringsUral Championship 2010208987

1862Very Wealthy MoleUral FU Championship 2011154988

1151RadiobeaconsUral Championship 2001. Round 2367993

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010188993

1965Pear TreesUral FU Personal Contest 201397994

1130Nikifor's WalkUSU Championship 2001365995

1591Abstract ThinkingNEERC 2007 Eastern Subregional301998

1339BabiesUSU Championship 20043871002

1331VladislavaAutumn School Contest 20043841004

1435Financial ErrorUSU Personal Contest 20063711006

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3021008

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest521011

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3481012

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2481016

1722Observation DeckUral Regional School Programming Contest 20092191017

1985Prime SquareOpen Ural FU Championship 2013841021

1311Stable ConstructionUral Championship 2004. Round 13701033

1518Jedi Riddle 3Timus Top Coders: Third Challenge3241039

1790Searching for the TruthUral Regional School Programming Contest 20101791041

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1131041

1539Intelligence DataUSU Personal Contest 20073141043

1570Eating HighUSU Championship 20072901043

2007Mutants versus MachinesUral Regional School Programming Contest 2013801046

1075Thread in a SpaceUSU Personal Contest 20019731047

1687Numismatics for FunUSU Personal Contest 20092331057

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2001062

1968Glass PyramidUral FU Personal Contest 2013901063

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1591103

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1391104

1317HailUral Championship 2004. Round 23431112

1511Fiscal OperationsTimus Top Coders: Third Challenge3001120

1173Lazy SnailRomanian Online Contest December 20013241121

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2241130

1444ElephpotamusUral Championship 20063241137

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1541137

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1861138

1341DeviceUSU Championship 20043391140

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3371154

1447Portkey NetworkUral Championship 20063191154

1627JoinPetrozavodsk Winter 2008. ITMO Contest2301157

1766Humpty DumptyUral Championship 20101761157

1544Classmates 3Ural Championship 20072771158

1540Battle for the RingUSU Personal Contest 20072801165

1357Teakettle 1.0 for DummiesSpring School Contest 20053291175

1458War GamesTimus Top Coders: Second Challenge3101176

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2061183

1408Polynomial MultiplicationAutumn School Contest 20053261192

1595Perfect Sequence1971193

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2891195

1453QueenTimus Top Coders: Second Challenge3041198

1946Chinese Hockey 3Ural FU Personal Contest 2012911200

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup791202

1807Cartridges for MaximNEERC 2010 Eastern Subregional1521206

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1261206

1307ArchiverUral Championship 2004. Round 13151207

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2471223

1686Photovoltaic SpaceshipUSU Personal Contest 20092001223

1736Chinese HockeyUSU Championship 20091791225

1035Cross-stitchUral Championship 19999191226

1669Universal WordPetrozavodsk Winter 2008. USU Contest2041235

1947MeanderUral FU Personal Contest 2012881236

1359ConstructionSpring School Contest 20053111241

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2401242

1657Cube SnakeNEERC 2008 Eastern Subregional2061248

1310ACM DiagnosticsUral Championship 2004. Round 13041250

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1771250

1487Chinese FootballUSU Championship 20062731256

1546Japanese SortingUral Championship 20072541258

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2771263

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2581267

1321Floor IndicatorUral Championship 2004. Round 22991270

1533Fat HobbitsUSU Personal Contest 20072541280

1538Towers of GuardUSU Personal Contest 20072521290

1050Preparing an ArticleUSU Local Contest. March 20008451308

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1391311

1177Like ComparisonsUSU Personal Contest 20022761314

2052Physical EducationUral Championship 2015271315

1328FireballAutumn School Contest 20042901319

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional871320

1065FrontierNEERC 20007911321

1099Work Scheduling6481321

1393Average Common Prefix2871331

1097Square Country 2USU Local Contest. March 20017111332

1360Philosophical DisputeUral Championship 2005. Round 22891334

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest1971342

1171Lost in SpaceRomanian Online Contest December 20012671352

1281River BasinNEERC 2003 Central Subregional2761361

1950Martian FarmlandsUral FU Personal Contest 2012781377

1240Heroes of Might and MagicNEERC 20022671380

1499KerchiefsAutumn School Contest 20062461386

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest351393

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2331397

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2441406

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1471421

1419Maps of the Island WorldsUSU Championship 20052701424

1318LogarithmUral Championship 2004. Round 22651427

1265MirrorUSU Championship 20032621430

1266Kirchhoff's LawUSU Championship 20032611435

1345HTMLUSU Championship 20042661441

1762Search for a Hiding-PlaceUSU Personal Contest 20101411445

1299PsyloniansSpring School Contest 20042601451

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2241451

1449Credit Operations 2Timus Top Coders: Second Challenge2491453

1802Cube PuzzleNEERC 2010 Eastern Subregional1241458

1770The Party of Ural ChampionsUral Championship 20101371464

1347BlogSpring School Contest 20052611470

1412Autumn TideUSU Championship 20052611471

1441From the History of Gringotts BankUral Championship 20062471477

1043Cover an ArcUSU Championship 20007521485

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup621485

1170DesertRomanian Online Contest December 20012391504

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1141504

1251Cemetery ManagerUSU Local Contest. March 20032431519

1764TranssibUral Championship 20101311526

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup601528

1908Brute-force SearchUral Championship 2012741532

1241Inlay CuttersNEERC 20022371550

1565The Duel for ThreeUSU Championship 20071911556

1886Trip 2NEERC 2011 Eastern Subregional931560

1894Non-Flying WeatherNEERC 2011 Eastern Subregional931560

1568Train Car SortingUSU Championship 20071891572

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2161580

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1541598

1337BureaucracyAutumn School Contest 20042361609

1782Jack's New WordUral SU Championship 20101121618

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2361628

1670AsteriskPetrozavodsk Summer 2008. USU Contest1511628

1485Football and LieUSU Championship 20062081631

1488ACM PokerUSU Championship 20062071639

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1261640

2022Riding a ToadNEERC 2014 Eastern Subregional301640

1831Tsyfirkin's LessonUral Championship 2011981647

1734Endgame DatabaseUSU Championship 20091301653

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest891656

1583CheeseNEERC 2007 Eastern Subregional1771660

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2311662

1062TriathlonNEERC 20006231671

1707Hypnotoad's SecretUral Championship 20091401688

1516NostalgiaTimus Top Coders: Third Challenge1951693

1969Hong Kong TramUral FU Personal Contest 2013521715

1046Geometrical DreamsUSU Local Contest. March 20006391723

1610CactusesUral Championship 20081601724

1841CablewaysPetrozavodsk Summer 2010. USU Contest851732

1420Integer-Valued Complex DivisionUSU Championship 20052201733

1702CrossroadUral Championship 20091361734

1508Japanese PuzzleNEERC 2006 Eastern Subregional1921748

1257HyphenationAutumn School Contest 20032121751

1338AutomobilesUSU Championship 20042171753

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012011772

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1811778

1615Tram SolitaireUral Championship 20081541787

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1921794

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest811802

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional611804

1514National ParkTimus Top Coders: Third Challenge1821808

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest931810

1378Artificial IntelligenceUral Championship 2005. Round 12111812

1425Queen 2Timus Top Coders: First Challenge2011825

1492Vasya's Dad 2Autumn School Contest 20061841829

1977Energy WallUral Championship 2013461833

1417Space Poker 2USU Championship 20052071837

1304ParallelepipedUral Championship 19982031841

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1111843

1093DartsUSU Local Contest. March 20015101846

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest791849

1839The MentaculusUral Championship 2011851872

1163ChapaevNEERC 2001 Northern Subregional1871900

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1551905

1503PolynomialNEERC 2006 Eastern Subregional1751908

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1271913

1781Clean CodeUral SU Championship 2010931916

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1251941

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1251941

1216Two Pawns and One KingUSU Championship 20021861946

2053BiologyUral Championship 2015151947

1455Freedom of SpeechTimus Top Coders: Second Challenge1821960

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest851963

1532Lost in TranslationUSU Personal Contest 20071621965

1703Robotic ArmUral Championship 20091181978

1187Statistical TroubleNEERC 20011801980

1634Spider MiteUSU Championship 20081271984

1945Many-armed BrothersUral FU Personal Contest 2012511986

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1231987

1148Building TowersDSAP Vietnam Online Contest November 20011771999

1396Maximum. Version 21762011

1757Gold BarsUSU Personal Contest 2010982020

1063Domino PuzzleNEERC 20005072045

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1762051

1188LibraryNEERC 20011732056

1267Yekaterinburg SubwayUSU Championship 20031792058

1232Asteroid LandingNEERC 2002 Central Subregional1732085

1833Hopes of RowingUral Championship 2011752092

1288AstrolocationUSU Personal Contest 20041772094

1041NikiforUSU Championship 20005292099

1867NanotechnologiesUral FU Championship 2011672104

1315MDPAR and MIIARUral Championship 2004. Round 11752121

1074Very Short ProblemUSU Personal Contest 20014752122

1092TransversalUSU Local Contest. March 20014422124

1972Game TestingUral Championship 2013382139

1397Points Game1572140

1543Dance RevolutionUral Championship 20071452143

1549Another Japanese PuzzleUral Championship 20071452143

1504Good MannersNEERC 2006 Eastern Subregional1542153

1541ChaseUSU Personal Contest 20071472153

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1112184

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21722191

1850Space TourismPetrozavodsk Summer 2010. USU Contest652194

1652Banking CrisisNEERC 2008 Eastern Subregional1122209

20503D-modelingUral Championship 2015122212

2055Urban GeographyUral Championship 2015122212

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest182238

1835Swamp DoctorUral Championship 2011692251

1270UnicubeUSU Championship 20031622262

1256Cemetery GuardUSU Local Contest. March 20031592274

1978E-LiteUral Championship 2013352282

1655Somali PiratesNEERC 2008 Eastern Subregional1082284

1368Goat in the Garden 3Ural Championship 2005. Round 21642292

1481Winning ChancesUSU Championship 20061432324

1284Space PokerUSU Personal Contest 20041572344

1758Bald Spot Revisited 2USU Personal Contest 2010832345

2006Kirill the GardenerUral Regional School Programming Contest 2013302354

1739FaryuksUSU Championship 2009882362

1882Old NokiaUral Regional School Programming Contest 2011582373

1829Routing TablesUSU Personal Contest 2011652425

2051PhysicsUral Championship 2015102433

1895Steaks on BoardNEERC 2011 Eastern Subregional562435

1717Eligibility RulesNEERC 2009 Eastern Subregional842486

1735Theft of the CenturyUSU Championship 2009832489

1275Knights of the Round TableNEERC 2003 Central Subregional1462495

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional412511

1865The Island of MärketUral FU Championship 2011542531

1704DemodulationUral Championship 2009882584

1300TaxesUral Championship 19981402614

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional792626

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest612626

1520Empire Strikes BackTimus Top Coders: Third Challenge1222630

1308Dean's PyramidUral Championship 2004. Round 11392633

1609Tram TileUral Championship 20081012640

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1092642

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest522645

1312TrayUral Championship 2004. Round 11382651

1454Rectangles 2Timus Top Coders: Second Challenge1312669

1239Ghost BustersNEERC 20021322692

1975Model of the EarthUral Championship 2013282702

1566Triangular PostcardsUSU Championship 20071032768

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest492788

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1182790

1505Oil TransferNEERC 2006 Eastern Subregional1162802

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup282814

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup282815

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest832842

1694Killer WordsPetrozavodsk Winter 2009. USU Contest792870

1858Magic CubePetrozavodsk Summer 2011. USU Contest472876

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest782903

1681Brother Bear's GardenUSU Personal Contest 2009782919

1637Triangle Game 2USU Championship 2008832922

1856War and PeacePetrozavodsk Summer 2011. USU Contest462928

1464LightPetrozavodsk Winter 2006. USU Contest1132946

1482Triangle GameUSU Championship 20061102963

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest652974

141140 Islands KnightsUSU Championship 20051242975

1938Caribbean TriangleUral FU Championship 2012323004

1442Floo PowderUral Championship 20061163013

1597Chernobyl’ Eagle on a Roof. Version 2133040

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional323049

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest733078

1367Top SecretUral Championship 2005. Round 21183116

1622EndspielPetrozavodsk Winter 2008. ITMO Contest793121

1395Pascal vs. C++. Version 21103130

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest103134

1957MundialPetrozavodsk Winter 2013. Kontur Cup243146

1058ChocolateNEERC 2000 Central Subregional3433155

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest493160

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest493160

1834Tennis RacketUral Championship 2011463175

1438Time Limit ExceededUSU Personal Contest 20061103195

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest763229

2049ChemistryUral Championship 201553245

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest93299

1909Space ReconUral Championship 2012293300

1429BiscuitsTimus Top Coders: First Challenge1053349

1166Funny Card GameNEERC 2001 Northern Subregional1063352

1616Square Country 4Ural Championship 2008763408

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest383427

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup213450

1466Magic SquarePetrozavodsk Winter 2006. USU Contest953452

2016Magic and ScienceNEERC 2014 Eastern Subregional93452

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1053483

1999The secret moduleNEERC 2013 Eastern Subregional173532

1632LasersUSU Championship 2008663576

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest773614

1733Forgotten TechnologyUSU Championship 2009543616

1509Domino RecognitionNEERC 2006 Eastern Subregional873639

1765Error 404Ural Championship 2010493648


1847ZamkadyePetrozavodsk Summer 2010. USU Contest343739

1973Location GeneratorUral Championship 2013173802

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest63917

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest63917

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest923927

1778Chinese Hockey 2Ural SU Championship 2010394028

2054AstronomyUral Championship 201524053

1661DodecahedronPetrozavodsk Winter 2008. USU Contest544130

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest704244

1967Programmer CasinoUral FU Personal Contest 2013154253

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest524263

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest724356

1271Sailing DirectionsUSU Championship 2003794371

1594Aztec Treasure454497

1344Gigantic TurnipUSU Championship 2004774573

1763Expert FleaUral Championship 2010374579

1771A Deputy's MorningUral Championship 2010374579

1460WiresPetrozavodsk Winter 2006. USU Contest694587

1340CucarachaUSU Championship 2004764626

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest674638

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest434819

1797Summit Online Judge. Version 2174830

1801The Revolution CupNEERC 2010 Eastern Subregional304884

1426RectanglesTimus Top Coders: First Challenge675002

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest605102

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest675202

1598DSA Attack35214

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest425341

1365Testing CalculatorUral Championship 2005. Round 2645389

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest205465

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest405555

1372Death StarUral Championship 2005. Round 1625562

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest625563

1906The Lost CivilizationUral Championship 2012125849

1848Fly HuntPetrozavodsk Summer 2010. USU Contest185876

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest336147

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest206215

1674Drunk KingPetrozavodsk Summer 2008. USU Contest326240

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest476266

1668Death Star 2Petrozavodsk Winter 2008. USU Contest326293

1842Local RootsPetrozavodsk Summer 2010. USU Contest166328

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest336459

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional316574

1548Sakura and StatisticsUral Championship 2007377068

1653Death ConveyorNEERC 2008 Eastern Subregional287093

1363HalftonesUral Championship 2005. Round 2467121

1536Delights of Pipe-weedUSU Personal Contest 2007347681

1596Knight Mare97814

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest248168

1432Twofold LuckUSU Personal Contest 2006368334

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup28909

1376Dean's Pyramid 2Ural Championship 2005. Round 1349101

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest249247

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest189360

1840Victim of AdvertisingUral Championship 201199360

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1510483

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1410643

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2710825

1415Mobile LifeUSU Championship 20052511385

1374MisereUral Championship 2005. Round 12511441

1708Sum of Digits 2Ural Championship 20091112055

1399Economical Director1812324

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2112921

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1413100

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1513579

1369Cockroach RaceUral Championship 2005. Round 21615338

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218206

1589SokobanNEERC 2007 Eastern Subregional323877

1394Ships. Version 2330813