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Problem set


1000A+B Problem8036617

1001Reverse Root2344217

1785Lost in LocalizationUral Regional School Programming Contest 20101437317

1293EniyaSpring School Contest 20042321519

2012About Grisha N.NEERC 2014 Eastern Subregional661419

1409Two GangstersAutumn School Contest 20052229820

1877Bicycle CodesUral Regional School Programming Contest 20111023021

2001Mathematicians and BerriesUral Regional School Programming Contest 2013604825

1264WorkdaysAutumn School Contest 20031614127

1787Turn for MEGAUral Regional School Programming Contest 2010883328

1820Ural SteaksUSU Personal Contest 2011844128

1197Lonesome KnightSpring School Contest 20021357831

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011669532

2066Simple ExpressionUral Regional School Programming Contest 2015303232

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional540334

1639Chocolate 2Autumn School Contest 2008914235

1924Four ImpsUral Regional School Programming Contest 2012511736

2023Donald is a postmanNEERC 2014 Eastern Subregional337838

1313Some Words about SportUral Championship 2004. Round 11102239

12091, 10, 100, 1000...Autumn School Contest 20021047540


1225FlagsNEERC 2002 Central Subregional1025641

2100Wedding DinnerUral FU Junior Championship 2016168841

1319HotelUral Championship 2004. Round 21016742

1567SMS-spamUSU Championship 2007837743

1581TeamworkAutumn School Contest 2007819444

1585PenguinsNEERC 2007 Eastern Subregional782345

1263ElectionsAutumn School Contest 2003916147

1991The battle near the swampNEERC 2013 Eastern Subregional326447

1100Final StandingsTetrahedron Team Online Contest May 2001827950

1327FusesAutumn School Contest 2004856951

1876Centipede's MorningUral Regional School Programming Contest 2011418752

1493One Step from HappinessAutumn School Contest 2006741453

1243Divorce of the Seven DwarfsUSU Personal Contest 2003782254

1110PowerBulgarian Online Contest September 2001743956

1349FarmSpring School Contest 2005782656

1607TaxiUSU Personal Contest 2008608656

1881Long problem statementUral Regional School Programming Contest 2011384556

1893A380NEERC 2011 Eastern Subregional384056

1545HieroglyphsUral Championship 2007646158

1496SpammerAutumn School Contest 2006666859

1196History ExamSpring School Contest 2002678261

1636Penalty TimeUSU Championship 2008521361

1837Isenbaev's NumberUral Championship 2011376561

1925British Scientists Save the WorldUral Regional School Programming Contest 2012291963

1149Sinus Dances650064

1563BayanUSU Championship 2007553365

1654Cipher MessageNEERC 2008 Eastern Subregional489065

1617Flat SpotsUral Championship 2008510766

1723Sandro's BookUral Regional School Programming Contest 2009428266

2056ScholarshipUral Championship 2015166067

2002Test TaskUral Regional School Programming Contest 2013222769

2035Another Dress RehearsalUral Regional School Programming Contest 2014182069

1025Democracy in DangerAutumn School Contest 20001823670

1224SpiralNEERC 2002 Central Subregional598970

1457Heating MainTimus Top Coders: Second Challenge591570

1083Factorials!!!Spring School Contest 20011536473

1935Tears of DrownedUral FU Championship 2012240476

1792Hamming CodeUral Regional School Programming Contest 2010324177

2005Taxi for ProgrammersUral Regional School Programming Contest 2013198977

2031Overturned NumbersUral Regional School Programming Contest 2014162677

1502Domino DotsNEERC 2006 Eastern Subregional504278

1638BookwormUSU Championship 2008406578

1131CopyingUSU Championship 2001523379

1712Cipher GrilleNEERC 2009 Eastern Subregional359079

1106Two TeamsTetrahedron Team Online Contest May 2001512380

1119MetroAutumn School Contest 2001512681

1139City BlocksNEERC 2001 Central Subregional513981

1194HandshakesSpring School Contest 2002509682

2068Game of NutsUral Regional School Programming Contest 2015119582

1290SabotageSpring School Contest 2004521083

2011Long StatementUral Regional School Programming Contest 2013184483

1120Sum of Sequential NumbersAutumn School Contest 2001489184

1404Easy to Hack!Autumn School Contest 2005523084

1180Stone GameUSU Personal Contest 2002476487

1146Maximum SumDSAP Vietnam Online Contest November 2001472688

1297PalindromeSpring School Contest 2004477690

1005Stone PileUSU Championship 19971403591

1510OrderNEERC 2006 Eastern Subregional429892

1601AntiCAPSUSU Personal Contest 2008372192

1161StripiesNEERC 2001 Northern Subregional445193

1203Scientific ConferenceUSU Local Contest. March 2002442694

1446Sorting HatUral Championship 2006440695

1009K-based NumbersUSU Championship 19971327096

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001429496

1370MagicianUral Championship 2005. Round 2455896

16421D MazeAutumn School Contest 2008331096

1796Amusement ParkUral Regional School Programming Contest 2010255497

1902Neo-VeniceUral Championship 2012189897

1644A Whole Lot of WalnutsAutumn School Contest 2008324998

1731DillUral Regional School Programming Contest 2009285099

2025Line FightingUral Regional School Programming Contest 2014126199

2033DevicesUral Regional School Programming Contest 2014125999

1118Nontrivial NumbersAutumn School Contest 20014112100

1786Sandro's BiographyUral Regional School Programming Contest 20102482100

1136ParliamentNEERC 2001 Central Subregional4078101

1214Strange ProcedureAutumn School Contest 20024111102

1296HyperjumpSpring School Contest 20044172103

2018The Debut AlbumNEERC 2014 Eastern Subregional1226103

1014Product of DigitsUSU Local Contest. 199912297104

1020RopeAutumn School Contest 200012279104

1228ArrayNEERC 2002 Central Subregional4026105

1330IntervalsAutumn School Contest 20044086106

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131431107

1126Magnetic StormsUSU Championship 20013817108

1573AlchemyAutumn School Contest 20073287108

1777AnindilyakwaUral SU Championship 20102241111

1192Ball in a DreamSpring School Contest 20023730112

1079MaximumWinter Mathematical Festival Varna 200110045113

1353Milliard Vasya's FunctionSpring School Contest 20053862113

1086CryptographySpring School Contest 20019757115

1226esreveR redrONEERC 2002 Central Subregional3669115

1082Gaby IvanushkaSpring School Contest 20019622117

1582BookmakersNEERC 2007 Eastern Subregional3025117

1044Lucky Tickets. Easy!USU Championship 200010594119

1219Symbolic SequenceUSU Championship 20023551119

1260Nudnik PhotographerAutumn School Contest 20033609119

1123SalaryAutumn School Contest 20013372122

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023389123

1711Code NamesNEERC 2009 Eastern Subregional2288124

1283DwarfUSU Personal Contest 20043437125

1336Problem of Ben BetsalelAutumn School Contest 20043473125

2102Michael and CryptographyUral FU Junior Championship 2016537126

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional993127

1688Team.GOV!USU Personal Contest 20092361129

1982Electrification PlanUral FU Championship 20131198129

1683FridgeUSU Personal Contest 20092349130

2000Grand Theft Array VUral Regional School Programming Contest 20131163131

1725Sold Out!Ural Regional School Programming Contest 20092119133

1352Mersenne PrimesSpring School Contest 20053263134

1022Genealogical TreeAutumn School Contest 20009372136

1402CocktailsAutumn School Contest 20053191137

1868Prediction ContestUral FU Championship 20111570137

1021Sacrament of the SumAutumn School Contest 20009074140

1222Chernobyl’ EaglesUSU Championship 20022988141

1740Deer is Better!USU Championship 20091967143

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101723144

1964Chinese DialectsUral FU Personal Contest 20131134144

1167Bicolored HorsesRomanian Online Contest December 20012864145

1612Tram ForumUral Championship 20082333145

1084Goat in the GardenSpring School Contest 20017672146

1178Akbardin’s RoadsUSU Personal Contest 20022844146

1576Telephone TariffsAutumn School Contest 20072439146

1931Excellent TeamUral FU Championship 20121247146

1026Questions and AnswersAutumn School Contest 20008694147

1142RelationsDSAP Vietnam Online Contest November 20012815147

1572Yekaterinozavodsk Great WellAutumn School Contest 20072398148

1864Get-Together at Den'sUral FU Championship 20111428151

1210Kind SpiritsAutumn School Contest 20022759152

1821BiathlonUSU Personal Contest 20111532153

1073Square CountryUSU Personal Contest 20017361155

1306Sequence MedianUral Championship 19982779155

2069Hard RockUral Regional School Programming Contest 2015626155

1709Penguin-AviaUral Championship 20091923156

1354Palindrome. Again PalindromeSpring School Contest 20052779157

1984Dummy GuyUral FU Championship 2013977157

1017StaircasesUSU Local Contest. 19998055158

1280Topological SortingNEERC 2003 Central Subregional2713158

2073Log FilesUral Regional School Programming Contest 2015613158

1295Crazy NotionsSpring School Contest 20042709159

1586Threeprime NumbersNEERC 2007 Eastern Subregional2207160

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1931160

1756One and a Half DiggersUSU Personal Contest 20101665161

1272Non-Yekaterinburg SubwayUSU Championship 20032641162

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional942163

1135RecruitsNEERC 2001 Central Subregional2517164

1157Young TilerUral Championship 2001. Round 22500165

1506Columns of NumbersNEERC 2006 Eastern Subregional2390165

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1317165

1613For Fans of StatisticsUral Championship 20082033166

1874Football GoalUral Regional School Programming Contest 20111277168

1213Cockroaches!Autumn School Contest 20022463171

1012K-based Numbers. Version 27382173

1640Circle of WinterAutumn School Contest 20081830173

1878Rubinchik's CubeUral Regional School Programming Contest 20111224175

1413Mars JumperUSU Championship 20052462177

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101403177

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1036177

1152False MirrorsUral Championship 2001. Round 22330178

1335White ThesisAutumn School Contest 20042440178

1102Strange DialogTetrahedron Team Online Contest May 20012287179

1134CardsNEERC 2001 Central Subregional2311179

1685OrthographyUSU Personal Contest 20091702179

2091Natural SelectionUral FU Personal Contest 2014430179

1193Queue at the ExamSpring School Contest 20022310180

1207Median on the PlaneUSU Local Contest. March 20022315180

1930Ivan's CarUral Regional School Programming Contest 20121014180

1769Old Ural LegendUral Championship 20101461181

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091543182

1800Murphy's LawNEERC 2010 Eastern Subregional1345183

1133Fibonacci SequenceNEERC 2001 Central Subregional2230185

1048Superlong SumsUSU Local Contest. March 20006689186

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015517187

1423String TaleTimus Top Coders: First Challenge2251188

1789Searching for the DodecahedronUral Regional School Programming Contest 20101320188

1944Record of the Attack at the OrbitUral FU Personal Contest 2012943188

1114BoxesBulgarian Online Contest September 20012174189

1494MonobilliardsAutumn School Contest 20062081190

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional965190

1645Ski RaceAutumn School Contest 20081659191

1208Legendary Teams ContestUSU Local Contest. March 20022167192

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1629194

1164FillwordNEERC 2001 Northern Subregional2115195

1885Passenger ComfortNEERC 2011 Eastern Subregional1089196

1348Goat in the Garden 2Spring School Contest 20052211197

1869New Year CruiseUral FU Championship 20111089198

1112CoverBulgarian Online Contest September 20012066199

1138Integer PercentageNEERC 2001 Central Subregional2069199

2070Interesting NumbersUral Regional School Programming Contest 2015485199

2105Alice and Bob are on BikesUral FU Junior Championship 2016336199

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional622201

1023ButtonsAutumn School Contest 20006295202

1680The First NonqualifyingUSU Personal Contest 20091502202

2095ScrumUral FU Personal Contest 2014377203

1987Nested SegmentsUral FU Championship 2013753204

1635Mnemonics and PalindromesUSU Championship 20081531207

1490Fire CircleAutumn School Contest 20061880210

1183Brackets SequenceNEERC 20011968211

2065Different SumsUral Regional School Programming Contest 2015454212

1002Phone NumbersCentral European Olympiad in Informatics 19995992214

1249Ancient NecropolisUSU Local Contest. March 20031972214

2098Lada PrioraUral FU Personal Contest 2014357214

1515CashmasterTimus Top Coders: Third Challenge1778218

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional573218

1242WerewolfUSU Personal Contest 20031921220

1491Unreal StoryAutumn School Contest 20061788221

1333Genie Bomber 2Autumn School Contest 20041954222

1052Rabbit HuntUSU Local Contest. March 20005579223

1737Mnemonics and Palindromes 3USU Championship 20091238226

1125HopscotchUSU Championship 20011817227

1011ConductorsUSU Championship 19975586229

1013K-based Numbers. Version 3558229

1795Husband in a ShopUral Regional School Programming Contest 20101077230

1033LabyrinthUral Championship 19995507231

1204IdempotentsUSU Local Contest. March 20021801231

1355Bald Spot RevisitedSpring School Contest 20051888231

1303Minimal CoverageUral Championship 19981848233

1590Bacon’s CipherNEERC 2007 Eastern Subregional1510234

1049Brave BalloonistsUSU Local Contest. March 20005265236

1205By the Underground or by Foot?USU Local Contest. March 20021754237

1122GameAutumn School Contest 20011733238

1150Page NumbersUral Championship 2001. Round 21718240

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1653240

1247Check a SequenceUSU Personal Contest 20031743242

1191Catch the thief!Spring School Contest 20021709243

2024Adventure TimeUral Regional School Programming Contest 2014506244

1108HeritageBulgarian Online Contest September 20011673246

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1781246

2067Friends and BerriesUral Regional School Programming Contest 2015391246

1603EruditeUSU Personal Contest 20081369248

1200Horns and HoofsUSU Local Contest. March 20021664249

1658Sum of DigitsNEERC 2008 Eastern Subregional1266249

1109ConferenceBulgarian Online Contest September 20011639251

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014465253

1113JeepBulgarian Online Contest September 20011618254

1889Airport AnnouncementsNEERC 2011 Eastern Subregional841254

1433DiamondsUSU Personal Contest 20061654255

1080Map ColoringWinter Mathematical Festival Varna 20014423256

1298KnightSpring School Contest 20041670257

1195Ouths and CrossesSpring School Contest 20021608258

1826MinefieldUSU Personal Contest 2011905258

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1465260

1922Superhero TeamUral Regional School Programming Contest 2012701260

1684Jack's Last WordUSU Personal Contest 20091152263

1010Discrete FunctionUSTU PhysTech Cup 20004847264

1028StarsUral Championship 19994780266

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031574268

1718RejudgeNEERC 2009 Eastern Subregional1051268

1726VisitsUral Regional School Programming Contest 20091044269

1741Communication FiendUSU Championship 20091037269

1087The Time to Take StonesSpring School Contest 20014123272

1117HierarchyAutumn School Contest 20011512272

2104Game with a StripUral FU Junior Championship 2016243272

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest996273

1244GentlemenUSU Personal Contest 20031538274

2034CaravansUral Regional School Programming Contest 2014450274

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1444275

1501Sense of BeautyNEERC 2006 Eastern Subregional1416277

1179Numbers in TextUSU Personal Contest 20021490278

2003Simple MagicUral Regional School Programming Contest 2013543278

1220StacksUSU Championship 20021499280

1537EntsUSU Personal Contest 20071353280

1779The Great TeamUral SU Championship 2010879281

1998The old PadawanNEERC 2013 Eastern Subregional542281

1823Ideal GasUSU Personal Contest 2011822283

1047Simple CalculationsUSU Local Contest. March 20004330287

1018Binary Apple TreeUSU Local Contest. 19994411289

1377Lara CroftUral Championship 2005. Round 11498292

1032Find a MultipleUral Championship 19993772293

1184Cable MasterNEERC 20011408294

1497Cutting a SquareAutumn School Contest 20061342294

1521War Games 2Timus Top Coders: Third Challenge1315294

1024PermutationsAutumn School Contest 20004300296

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012614296

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest914297

1036Lucky Tickets4258298

1753BookshelfUSU Personal Contest 2010889300

1551Sumo TournamentUral Championship 20071237302

1137Bus RoutesNEERC 2001 Central Subregional1356304

1215Exactness of Projectile HitAutumn School Contest 20021374305

1981Parallel and PerpendicularUral FU Championship 2013499305

1053PinocchioNEERC 2000 Central Subregional4059306

1934Black SpotUral FU Championship 2012590306

1989SubpalindromesUral FU Championship 2013496307

1153SupercomputerUral Championship 2001. Round 21340308

1124MosaicUSU Championship 20011329310

1127Colored BricksUSU Championship 20011327310

1190Bar of ChocolateSpring School Contest 20021336310

2021Scarily interesting!NEERC 2014 Eastern Subregional398311

1933Guns for Battle!Ural FU Championship 2012579312

2108Oleg and Little PoniesUral FU Junior Championship 2016210313

1116Piecewise Constant FunctionAutumn School Contest 20011308314

1227Rally ChampionshipNEERC 2002 Central Subregional1335314

1294Mars SatellitesSpring School Contest 20041365314

1450Russian PipelinesTimus Top Coders: Second Challenge1314315

1517Freedom of ChoiceTimus Top Coders: Third Challenge1227315

1320Graph DecompositionUral Championship 2004. Round 21343320

1346Intervals of MonotonicityUSU Championship 20041355320

1588JamaicaNEERC 2007 Eastern Subregional1098321

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional763321

1185WallNEERC 20011281323

1211Collective GuaranteeAutumn School Contest 20021293324

1604Country of FoolsUSU Personal Contest 20081045325

1160NetworkNEERC 2001 Northern Subregional1289326

1992CVSNEERC 2013 Eastern Subregional465326

1121BranchesAutumn School Contest 20011247329

1302Delta-waveUral Championship 19981304329

1218Episode N-th: The Jedi TournamentUSU Championship 20021269330

1223Chernobyl’ Eagle on a RoofUSU Championship 20021268330

1793Tray 2Ural Regional School Programming Contest 2010744331

1008Image EncodingUSTU PhysTech Cup 20003839333

1029MinistryUral Championship 19993317334

2046The First Day at SchoolUral Championship 2015322335

1156Two RoundsUral Championship 2001. Round 21224337

1406Next NumberAutumn School Contest 20051296337

1941Scary Martian WordUral FU Personal Contest 2012520338

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1121339

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest888339

2062Ambitious ExperimentUral Regional School Programming Contest 2015281339

1201Which Day Is It?USU Local Contest. March 20021208343

2063Black and WhiteUral Regional School Programming Contest 2015277343

1246Tethered DogUSU Personal Contest 20031217346

1282Game TreeNEERC 2003 Central Subregional1226347

1651Shortest SubchainNEERC 2008 Eastern Subregional906347

1060Flip GameNEERC 20003363349

1431DiplomasUSU Personal Contest 20061203349

1495One-two, One-two 2Autumn School Contest 20061128349

1648YachtsAutumn School Contest 2008900350

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest774350

1261TipsAutumn School Contest 20031213351

1090In the Army NowUSU Local Contest. March 20013006354

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014346354

1031Railway TicketsUral Championship 19993547358

1904The Lessons of the PastUral Championship 2012510358

1140Swamp IncidentNEERC 2001 Central Subregional1138361

1356Something EasierSpring School Contest 20051201362

1483Table FootballUSU Championship 20061083364

1262Pseudo-Roman NumberAutumn School Contest 20031165365

1292Mars Space StationsSpring School Contest 20041172365

1574Mathematicians and bracketsAutumn School Contest 2007964367

1078SegmentsWinter Mathematical Festival Varna 20013069368

1403CourierAutumn School Contest 20051186368

1007Code WordsUSU Championship 19973456370

1176HyperchannelsUSU Personal Contest 20021118370

1141RSA Attack1109371

2078Bowling gameUral Championship 2016207374

1427SMSTimus Top Coders: First Challenge1118377

1039Anniversary PartyUSU Championship 20003322378

1279WarehouseNEERC 2003 Central Subregional1116381

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest565381

2047MathsUral Championship 2015281382

1003ParityCentral European Olympiad in Informatics 19993329384

1229Strong BrickworkNEERC 2002 Central Subregional1089384

1287Mars CanalsUSU Personal Contest 20041114384

1055CombinationsNEERC 2000 Central Subregional3221385

1259How to Become Star?Autumn School Contest 20031100386

1828Approximation by a ProgressionUSU Personal Contest 2011601386

1289One Way TicketUSU Personal Contest 20041093391

1407One-two, One-twoAutumn School Contest 20051116391

1901Space ElevatorsUral Championship 2012465392

1350CanteenSpring School Contest 20051104393

1489Points on a ParallelepipedAutumn School Contest 20061001393

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional384393

1343Fairy TaleUSU Championship 20041100394

1759Long-LiversUSU Personal Contest 2010672395

1783Nuclear Arms RaceUral SU Championship 2010623395

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional537395

1115ShipsBulgarian Online Contest September 20011029398

2109Tourism on MarsUral FU Junior Championship 2016163398

1111SquaresBulgarian Online Contest September 20011027399

1513Lemon TaleTimus Top Coders: Third Challenge968399

2026Dean and ScheduleUral Regional School Programming Contest 2014306399

1562GM-pineappleUSU Championship 2007884400

1217Unlucky TicketsUSU Championship 20021035404

1077Travelling Tours1007407

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest758407

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011002410

1221Malevich Strikes Back!USU Championship 20021019410

1291Gear-wheelsSpring School Contest 20041044410

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional300410

1252Sorting the TombstonesUSU Local Contest. March 20031023411

1631Drunk King 2USU Championship 2008768411

1015Test the Difference!USU Local Contest. 19993095412

2030Awesome Backup SystemUral Regional School Programming Contest 2014296412

1107Warehouse ProblemTetrahedron Team Online Contest May 2001983414

1602ElevatorUSU Personal Contest 2008815415

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest517415

1873GOV ChroniclesUral Regional School Programming Contest 2011512415

1963KiteUral FU Personal Contest 2013388415

1094E-screenUSU Local Contest. March 20012555417

1732Ministry of TruthUSU Championship 2009664418

1774Barber of the Army of MagesUral SU Championship 2010587419

1128Partition into GroupsUSU Championship 2001975421

1923Scary PoliticsUral Regional School Programming Contest 2012429421

1507Difficult DecisionNEERC 2006 Eastern Subregional926423

1571InterpretersUSU Championship 2007833425

1410CrackUSU Championship 20051019426

1995Illegal spicesNEERC 2013 Eastern Subregional353427

1776Anniversary FireworkUral SU Championship 2010575428

1416ConfidentialUSU Championship 20051011429

1519Formula 1Timus Top Coders: Third Challenge900429

1258PoolAutumn School Contest 2003983432

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest823432

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest277433

1038Spell CheckerUSU Championship 20002887435

1480CouponsUSU Championship 2006904435

1181Cutting a Painted PolygonUSU Personal Contest 2002947436

1019Line PaintingUSU Local Contest. 19992901439

1700AwakeningUral Championship 2009678439

1089Verification with a VocabularySpring School Contest 20012544440

1202Rectangles TravelUSU Local Contest. March 2002938440

1900Brainwashing DeviceUral Championship 2012409444

1238FoldingNEERC 2002939446

1129Door PaintingUSU Championship 2001916448

2071Juice CocktailsUral Regional School Programming Contest 2015210448

2099Space InvaderUral FU Personal Contest 2014165449

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection357451

1643Attack of the Dark FortressAutumn School Contest 2008690455

1641DutiesAutumn School Contest 2008688456

1890Money out of Thin AirNEERC 2011 Eastern Subregional463456

1155TroubleduonsUral Championship 2001. Round 2896458

1326Bottle TapsUral Championship 2004. Round 2935458

1316Electronic AuctionUral Championship 2004. Round 1930460

2081Faulty dialUral Championship 2016165464

1628White StreaksUSU Championship 2008674467

1535The Hobbit or There and Back AgainUSU Personal Contest 2007805468

1162Currency ExchangeNEERC 2001 Northern Subregional874470

1329Galactic HistoryAutumn School Contest 2004915471

1051Simple Game on a GridUSU Local Contest. March 20002617474

1273TieUSU Championship 2003892476

1401GamersAutumn School Contest 2005914476

1728Curse on Team.GOVUral Regional School Programming Contest 2009585476

1942Attack at the OrbitUral FU Personal Contest 2012366476

1430Crime and PunishmentTimus Top Coders: First Challenge881478

1577E-mailAutumn School Contest 2007736479

1189Pairs of IntegersNEERC 2001857481

1072RoutingUSU Personal Contest 20012365482

1428Jedi RiddleTimus Top Coders: First Challenge871483

1322SpyUral Championship 2004. Round 2883484

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014250484

1439Battle with You-Know-WhoUral Championship 2006851488

1525PathPetrozavodsk Winter 2007. D.Gozman Contest774488

1236Decoding TaskNEERC 2002854489

1414Astronomical DatabaseUSU Championship 2005887489

1091Tmutarakan ExamsUSU Local Contest. March 20012167491

1103Pencils and CirclesTetrahedron Team Online Contest May 2001824493

1579Coat TransportationAutumn School Contest 2007703501

1212BattleshipAutumn School Contest 2002830502

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional483504

1182Team Them Up!NEERC 2001816505

1158Censored!NEERC 2001 Northern Subregional810507

1362Classmates 2Ural Championship 2005. Round 2853508


1045Funny GameUSU Local Contest. March 20002418514

1314Chase in SubwayUral Championship 2004. Round 1822520

1971Graphics SettingsUral Championship 2013301520

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional346521

1334CheckersAutumn School Contest 2004825522

1650BillionairesNEERC 2008 Eastern Subregional598522

1056Computer NetNEERC 2000 Central Subregional2364524

1069Prufer CodeUSU Personal Contest 20012175524

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional532524

1066GarlandNEERC 20002227526

1366PresentsUral Championship 2005. Round 2819529

1437Gasoline StationUSU Personal Contest 2006789531

1600AirportUSU Personal Contest 2008635531

1465Pawn GamePetrozavodsk Winter 2006. USU Contest750532

1095Nikifor 3USU Local Contest. March 20011996533

1980Road to InvestorUral Championship 2013293534

1884Way to the UniversityUral Regional School Programming Contest 2011393537

1871Seismic WavesUral FU Championship 2011393539

1729Dead Man's ChestUral Regional School Programming Contest 2009515540

1870Zinium 2Ural FU Championship 2011392540

1400Cellular CharactersAutumn School Contest 2005802542

1891Language OceanNEERC 2011 Eastern Subregional388542

1101Robot in the FieldTetrahedron Team Online Contest May 2001742547

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005790547

1534Football in GondorUSU Personal Contest 2007682551

1754Explosion in a PyramidUSU Personal Contest 2010476555

1143Electric PathDSAP Vietnam Online Contest November 2001737556

1004Sightseeing TripCentral European Olympiad in Informatics 19992296557

1421Credit OperationsTimus Top Coders: First Challenge753558

2080WalletUral Championship 2016135560

1448Lighting in HogwartsUral Championship 2006738562

1172Ship RoutesRomanian Online Contest December 2001727564

1605Devil's SequenceUSU Personal Contest 2008597564

1682Crazy ProfessorUSU Personal Contest 2009532564

1027D++ AgainAutumn School Contest 20002244566

1375Bill CleversUral Championship 2005. Round 1766567

2060Subpalindrome pairsPalindromic Contest 177567

2004Scientists from SpilkovoUral Regional School Programming Contest 2013260569


2028URCAPL, Episode 2Ural Regional School Programming Contest 2014209575

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014209575

1085MeetingSpring School Contest 20011934578

1067Disk TreeNEERC 20002025579

2048HistoryUral Championship 2015182579

1325DirtUral Championship 2004. Round 2735580

1358CablesSpring School Contest 2005745580

1698Square Country 5Petrozavodsk Winter 2009. USU Contest515580

1710Boris, You Are Wrong!Ural Championship 2009509583

1592Chinese WatchesNEERC 2007 Eastern Subregional599584

2074Timus problems classifierQualification of eastern subregional contest 2015142586

1071Nikifor 2USU Personal Contest 20011939588

1064Binary SearchNEERC 20001990589

1550Dean's Pyramid 3Ural Championship 2007629589

1713Key SubstringsNEERC 2009 Eastern Subregional471591

1760Infernal WorkUSU Personal Contest 2010445592

1966Cycling RoadsUral FU Personal Contest 2013269592

1061Buffer ManagerNEERC 20001976594

1701Ostap and PartnersUral Championship 2009497596

1445Christmas giftsUral Championship 2006694597

1822Hugo II's WarUSU Personal Contest 2011384598

2009Canteen LineUral Regional School Programming Contest 2013246601

2064CaterpillarsUral Regional School Programming Contest 2015154601

1806Mobile TelegraphsNEERC 2010 Eastern Subregional402603

1659Regular TrianglesNEERC 2008 Eastern Subregional516604

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest196604

1803The Czechs' RiflesNEERC 2010 Eastern Subregional400606

1059ExpressionNEERC 2000 Central Subregional2032609

1371Cargo AgencyUral Championship 2005. Round 1712609

2106DeserializationUral FU Junior Championship 2016103609

1070Local TimeUSU Personal Contest 20011869610

1690Army of MagesPetrozavodsk Winter 2009. USU Contest488611

1706Cipher Message 2Ural Championship 2009484612

1928Another Ecology ProblemUral Regional School Programming Contest 2012292612

1309DisputeUral Championship 2004. Round 1695613

1838Samurai's StrokeUral Championship 2011368614

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest575615

1962In Chinese RestaurantUral FU Personal Contest 2013258616

1767The House of Doctor DeeUral Championship 2010421619

2089Experienced coachUral Championship 2016119629

1332Genie BomberAutumn School Contest 2004681630

1939First SealUral FU Championship 2012279635

1452Pascal vs. C++Timus Top Coders: Second Challenge642640

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest498640

1054Hanoi TowerNEERC 2000 Central Subregional1929641

1248Sequence SumUSU Personal Contest 2003649644

1500Pass LicensesNEERC 2006 Eastern Subregional602646

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009429646

1542AutocompletionUral Championship 2007571647


1254Die HardUSU Local Contest. March 2003641653

1866Poetic FootUral FU Championship 2011322654

1132Square Root622656

1234BricksNEERC 2002632659

1253NecrologuesUSU Local Contest. March 2003635659

1174Weird PermutationsRomanian Online Contest December 2001618662

1606SlalomUSU Personal Contest 2008506664

1443RailsUral Championship 2006622665

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional181665

1186Chemical ReactionsNEERC 2001616666

1564Counting OnesUSU Championship 2007526668

1096Get the Right Route Plate!USU Local Contest. March 20011584670

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest316672

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest587677

2092BoleroUral FU Personal Contest 2014106677

1286Starship TravelUSU Personal Contest 2004626678

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest639678

1274Fractional ArithmeticNEERC 2003 Central Subregional620682

1892Morning in KoltsovoNEERC 2011 Eastern Subregional306683

1088Ilya MurometzSpring School Contest 20011629686

1772Ski-Trails for RobotsUral Championship 2010376691

1961Cantonese DialectUral FU Personal Contest 2013229691

1990PodracingNEERC 2013 Eastern Subregional214691

1440Training ScheduleUral Championship 2006597693

1633HippogriffsUSU Championship 2008450695

1903Unidentified ShipsUral Championship 2012257697

1168Radio StationsRomanian Online Contest December 2001585698

1484Film RatingUSU Championship 2006559699

1943Space RummyUral FU Personal Contest 2012246699

1057Amount of DegreesNEERC 2000 Central Subregional1764701

1611DecimationUral Championship 2008471706

1250Sea BurialUSU Local Contest. March 2003590708

1940Not So Simple YearsUral FU Championship 2012249709

1872Spacious OfficeUral FU Championship 2011296710

1305Convex HullUral Championship 1998598711

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest551712

1773Metro to Every HomeUral Championship 2010364713

1755CakeUSU Personal Contest 2010367715

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional249716

1159FenceNEERC 2001 Northern Subregional569718

1230Introspective ProgramNEERC 2002 Central Subregional577719

1169PairsRomanian Online Contest December 2001567720

1405Goat in the Garden 5Autumn School Contest 2005594728

1034Queens in Peaceful PositionsUral Championship 19991712739

1301Cube in LabyrinthUral Championship 1998573741

1629TripUSU Championship 2008421742

1716Alternative SolutionNEERC 2009 Eastern Subregional373742

1780Gray CodeUral SU Championship 2010327742

2008SwiftyUral Regional School Programming Contest 2013197743

1037Memory ManagementUSU Championship 20001684744

1932The Secret of IdentifierUral FU Championship 2012236747

1424MinibusTimus Top Coders: First Challenge559748

1593Square Country. Version 2402748

1775Space BowlingUral SU Championship 2010324749

1235Cricket FieldNEERC 2002554750

1379Cups TransportationUral Championship 2005. Round 1576751

1832Arirang ShowUral Championship 2011297755

2110Remove or MaximizeUral FU Junior Championship 201681756

1825Ifrit Bomber 2USU Personal Contest 2011301758

1830Help in the RNOSUral Championship 2011295760

1016Cube on the WalkUSU Local Contest. 19991668761

1614National Project “Trams”Ural Championship 2008435763

1994The Emperor's planNEERC 2013 Eastern Subregional193763

1392Dreaming of Stars564767

1646Godzilla Strikes Back!Autumn School Contest 2008396784

1647Divide an Island!Autumn School Contest 2008395786

1486Equal SquaresUSU Championship 2006495788

1456Jedi Riddle 2Timus Top Coders: Second Challenge519789

1512ZiniumTimus Top Coders: Third Challenge483791

1268Little ChuUSU Championship 2003530795

1587Flying PigNEERC 2007 Eastern Subregional437796

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012222797

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection198797

1276TrainNEERC 2003 Central Subregional528798

1042Central HeatingUSU Championship 20001569799

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional222799

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest438802

1689Fisherman and BarbellUSU Personal Contest 2009370805

1277Cops and ThievesNEERC 2003 Central Subregional522807

1323ClassmatesUral Championship 2004. Round 2524810

1875Angry BirdsUral Regional School Programming Contest 2011257811

1269Obscene Words FilterUSU Championship 2003518813

1986Paul’s SaladsUral FU Championship 2013181814

1105Observers ColoringTetrahedron Team Online Contest May 2001494816

1147Shaping RegionsDSAP Vietnam Online Contest November 2001498817

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional292822

1030TitanicUral Championship 19991533825

1342EnterpriseUSU Championship 2004519827

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest469834

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest139834

1705Gangster HaresUral Championship 2009352835

1547Password SearchUral Championship 2007439838

1738Computer SecurityUSU Championship 2009326839

1436BillboardUSU Personal Contest 2006494841

1974Similar TunesUral Championship 2013181847

1165SubnumberNEERC 2001 Northern Subregional478851

1373Pictura ex MachinaUral Championship 2005. Round 1507851

1720Summit Online JudgeNEERC 2009 Eastern Subregional324851

1988Planet Ocean LandingUral FU Championship 2013171859

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest343862

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest457866

1996Cipher Message 3NEERC 2013 Eastern Subregional168870

1498Stroke at Full SpeedAutumn School Contest 2006445873

1578Mammoth HuntAutumn School Contest 2007399873

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest428874

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest263879

1154Mages ContestUral Championship 2001. Round 2462880

1715Another Ball KillerNEERC 2009 Eastern Subregional311885

1006Square FramesUSU Championship 19971431889

1580Dean's DebtsAutumn School Contest 2007390893

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest297893

1927Herbs and MagicUral Regional School Programming Contest 2012197893

2103Corporate MailUral FU Junior Championship 201667893

1422FirefliesTimus Top Coders: First Challenge461904

1324Extra SpacesUral Championship 2004. Round 2467906

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest292908

1905Travel in TimeUral Championship 2012194912

1233Amusing NumbersNEERC 2002452915

1285Thread in a HyperspaceUSU Personal Contest 2004461916

1630TalismanUSU Championship 2008339916

1237Evacuation PlanNEERC 2002452917

1245PicturesUSU Personal Contest 2003453917

1936RoshamboUral FU Championship 2012190918

1175Strange SequenceUSU Personal Contest 2002442922

1575Yekaterinburg Subway 2Autumn School Contest 2007377923

1608Lucky Tickets 2008Ural Championship 2008358923

1824Ifrit BomberUSU Personal Contest 2011244928

1970皇后像廣場Ural FU Personal Contest 2013168928

1364LaraKillerUral Championship 2005. Round 2457939

1339BabiesUSU Championship 2004452947

2017Best of a bad lotNEERC 2014 Eastern Subregional124948

1761Binary PalindromeUSU Personal Contest 2010274949

1965Pear TreesUral FU Personal Contest 2013163954

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest330957

2093All Roads Lead to SnowdriftUral FU Personal Contest 201472958

2052Physical EducationUral Championship 2015106959

1278“… Connecting People”NEERC 2003 Central Subregional437961

1398Bishop and Pawn394962

1948The Robot on the LineUral FU Personal Contest 2012176962

1921Chaos and OrderUral Regional School Programming Contest 2012182963

1418Military StoryUSU Championship 2005443967

1591Abstract ThinkingNEERC 2007 Eastern Subregional357969

1827Indigenous WarsUSU Personal Contest 2011233970

1040Airline CompanyUSU Championship 20001284974

1130Nikifor's WalkUSU Championship 2001413980

1435Financial ErrorUSU Personal Contest 2006422981

1730ManBearPigUral Regional School Programming Contest 2009279981

1451Beerhouse TaleTimus Top Coders: Second Challenge415982

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest356982

1863Peaceful AtomUral FU Championship 2011211982

1937Davy Jones’s OrganUral FU Championship 2012177982

1331VladislavaAutumn School Contest 2004431988

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest302996

1836Babel FishUral Championship 20112221000

1784RoundersUral SU Championship 20102381009

1976Game OptimizationUral Championship 20131501011

1539Intelligence DataUSU Personal Contest 20073661015

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3881016

1907Coffee and BunsUral Championship 20121721022

1949The Best Picture in the GalaxyUral FU Personal Contest 20121651023

1883Ent's BirthdayUral Regional School Programming Contest 20112001031

1768Circular StringsUral Championship 20102481034

1570Eating HighUSU Championship 20073351038

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2011038

1173Lazy SnailRomanian Online Contest December 20013901039

1887Frequent Flyer CardNEERC 2011 Eastern Subregional1971043

1075Thread in a SpaceUSU Personal Contest 200110871044

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2801050

1518Jedi Riddle 3Timus Top Coders: Third Challenge3601054

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1081054

1979Resources DistributionUral Championship 20131431057

1151RadiobeaconsUral Championship 2001. Round 23821060

1434Buses in VasyukiUSU Personal Contest 20063901060

1569Networking the “Iset”USU Championship 20073271062

1627JoinPetrozavodsk Winter 2008. ITMO Contest2961063

1444ElephpotamusUral Championship 20063831070

1595Perfect Sequence2651078

1317HailUral Championship 2004. Round 23891084

1687Numismatics for FunUSU Personal Contest 20092711088

1447Portkey NetworkUral Championship 20063751092

1341DeviceUSU Championship 20043881099

1896War Games 2.1661105

1540Battle for the RingUSU Personal Contest 20073351106

1790Searching for the TruthUral Regional School Programming Contest 20102131119

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102131119

1862Very Wealthy MoleUral FU Championship 20111841119

1722Observation DeckUral Regional School Programming Contest 20092411129

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2321133

1879GOV-internship 2Ural Regional School Programming Contest 20111811134

1983Nectar GatheringUral FU Championship 20131271135

1736Chinese HockeyUSU Championship 20092381137

1511Fiscal OperationsTimus Top Coders: Third Challenge3301147

2055Urban GeographyUral Championship 2015871147

1533Fat HobbitsUSU Personal Contest 20073221149

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3341161

1968Glass PyramidUral FU Personal Contest 20131321163

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3671167

1408Polynomial MultiplicationAutumn School Contest 20053671167

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2581167

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3311171

1544Classmates 3Ural Championship 20073091179

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1751184

1458War GamesTimus Top Coders: Second Challenge3421186

1357Teakettle 1.0 for DummiesSpring School Contest 20053591187

2059Not common palindromesPalindromic Contest 791191

1393Average Common Prefix3551192

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2871198

1453QueenTimus Top Coders: Second Challenge3381199

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1891206

1538Towers of GuardUSU Personal Contest 20073051211

1310ACM DiagnosticsUral Championship 2004. Round 13461214

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3231214

1099Work Scheduling7851216

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2151218

1359ConstructionSpring School Contest 20053481223

1546Japanese SortingUral Championship 20072961229

1766Humpty DumptyUral Championship 20102051241

1307ArchiverUral Championship 2004. Round 13381242

2097Snowboarding on SpilnayaUral FU Personal Contest 2014531247

1487Chinese FootballUSU Championship 20063051263

1669Universal WordPetrozavodsk Winter 2008. USU Contest2361271

1035Cross-stitchUral Championship 19999881272

1947MeanderUral FU Personal Contest 20121301278

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1611283

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2701284

1657Cube SnakeNEERC 2008 Eastern Subregional2371286

1807Cartridges for MaximNEERC 2010 Eastern Subregional1831286

1321Floor IndicatorUral Championship 2004. Round 23251291

2007Mutants versus MachinesUral Regional School Programming Contest 20131091292

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2091297

2107Oppa Funcan StyleUral FU Junior Championship 2016431297

1171Lost in SpaceRomanian Online Contest December 20013081307

1360Philosophical DisputeUral Championship 2005. Round 23251308

1686Photovoltaic SpaceshipUSU Personal Contest 20092231312

1441From the History of Gringotts BankUral Championship 20063101314

1177Like ComparisonsUSU Personal Contest 20023061319

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2801321

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1301324

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1711326

1328FireballAutumn School Contest 20043181328

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2751344

1050Preparing an ArticleUSU Local Contest. March 20009141349

1281River BasinNEERC 2003 Central Subregional3081350

1065FrontierNEERC 20008601355

1946Chinese Hockey 3Ural FU Personal Contest 20121221356

1097Square Country 2USU Local Contest. March 20017751361

1419Maps of the Island WorldsUSU Championship 20053111365

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2281367

2101Knight's ShieldUral FU Junior Championship 2016401375

1318LogarithmUral Championship 2004. Round 23031381

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2671382

1499KerchiefsAutumn School Contest 20062771384

1311Stable ConstructionUral Championship 2004. Round 13021386

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1481386

1449Credit Operations 2Timus Top Coders: Second Challenge2891396

1345HTMLUSU Championship 20043031398

1985Prime SquareUral FU Championship 20131011400

1240Heroes of Might and MagicNEERC 20022891414

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1071416

2085Magic ProgrammerUral Championship 2016471424

1299PsyloniansSpring School Contest 20042871454

1347BlogSpring School Contest 20052911455

1265MirrorUSU Championship 20032831465

1170DesertRomanian Online Contest December 20012731469

1266Kirchhoff's LawUSU Championship 20032821470

1762Search for a Hiding-PlaceUSU Personal Contest 20101731473

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1761474

1950Martian FarmlandsUral FU Personal Contest 20121111479

1412Autumn TideUSU Championship 20052861480

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2581490

1770The Party of Ural ChampionsUral Championship 20101671508

1251Cemetery ManagerUSU Local Contest. March 20032711512

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection981534

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest711535

1568Train Car SortingUSU Championship 20072231536

1043Cover an ArcUSU Championship 20008071543

1337BureaucracyAutumn School Contest 20042711550

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1481571

1488ACM PokerUSU Championship 20062431573

1241Inlay CuttersNEERC 20022591574

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2691577

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1861585

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1841601

1378Artificial IntelligenceUral Championship 2005. Round 12641605

1565The Duel for ThreeUSU Championship 20072131605

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1241611

1485Football and LieUSU Championship 20062361618

1670AsteriskPetrozavodsk Summer 2008. USU Contest1821618

1802Cube PuzzleNEERC 2010 Eastern Subregional1431623

1886Trip 2NEERC 2011 Eastern Subregional1231623

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1041626

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2111627

1908Brute-force SearchUral Championship 20121041631

1764TranssibUral Championship 20101531637

2058100500 palidnromesPalindromic Contest 541656

1257HyphenationAutumn School Contest 20032481662

1508Japanese PuzzleNEERC 2006 Eastern Subregional2271669

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1741688

1420Integer-Valued Complex DivisionUSU Championship 20052491692

1782Jack's New WordUral SU Championship 20101371702

1516NostalgiaTimus Top Coders: Third Challenge2181711

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1491724

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2241728

1338AutomobilesUSU Championship 20042431729

1583CheeseNEERC 2007 Eastern Subregional1951735

1425Queen 2Timus Top Coders: First Challenge2331751

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1271751

1062TriathlonNEERC 20006621753

1503PolynomialNEERC 2006 Eastern Subregional2151758

1610CactusesUral Championship 20081811778

1707Hypnotoad's SecretUral Championship 20091601778

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1641785

1734Endgame DatabaseUSU Championship 20091481785

1046Geometrical DreamsUSU Local Contest. March 20006851793

20503D-modelingUral Championship 2015521794

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012211797

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest591802

1615Tram SolitaireUral Championship 20081781806

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection811821

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2001824

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1611829

1514National ParkTimus Top Coders: Third Challenge2011849

1417Space Poker 2USU Championship 20052251865

1492Vasya's Dad 2Autumn School Contest 20062031865

1781Clean CodeUral SU Championship 20101241867

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2251872

1304ParallelepipedUral Championship 19982201878

1163ChapaevNEERC 2001 Northern Subregional2101888

1702CrossroadUral Championship 20091501890

1397Points Game2011894

1093DartsUSU Local Contest. March 20015531898

1532Lost in TranslationUSU Personal Contest 20071901908

1757Gold BarsUSU Personal Contest 20101311912

1148Building TowersDSAP Vietnam Online Contest November 20012071913

1841CablewaysPetrozavodsk Summer 2010. USU Contest1041925

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1521930

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1321931

1831Tsyfirkin's LessonUral Championship 20111091949

1703Robotic ArmUral Championship 20091431976

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011977

1216Two Pawns and One KingUSU Championship 20022031982

1187Statistical TroubleNEERC 20012001987

1267Yekaterinburg SubwayUSU Championship 20032051996

1455Freedom of SpeechTimus Top Coders: Second Challenge1991997

1315MDPAR and MIIARUral Championship 2004. Round 12062001

1541ChaseUSU Personal Contest 20071802008

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest992009

1396Maximum. Version 21952025

1634Spider MiteUSU Championship 20081452062

1655Somali PiratesNEERC 2008 Eastern Subregional1442062

1188LibraryNEERC 20011922066

1074Very Short ProblemUSU Personal Contest 20015422076

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1932080

1041NikiforUSU Championship 20005962081

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1052086

1839The MentaculusUral Championship 20111012089

1063Domino PuzzleNEERC 20005522095

1288AstrolocationUSU Personal Contest 20041902158

1969Hong Kong TramUral FU Personal Contest 2013662173

1232Asteroid LandingNEERC 2002 Central Subregional1842176

1978E-LiteUral Championship 2013642185

1543Dance RevolutionUral Championship 20071602213

1549Another Japanese PuzzleUral Championship 20071602213

1977Energy WallUral Championship 2013632215

1504Good MannersNEERC 2006 Eastern Subregional1682222

1256Cemetery GuardUSU Local Contest. March 20031812224

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21872225

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015302225

2096All InclusiveUral FU Personal Contest 2014252245

1092TransversalUSU Local Contest. March 20014642254

1284Space PokerUSU Personal Contest 20041792283

1867NanotechnologiesUral FU Championship 2011842310

1739FaryuksUSU Championship 20091122311

1481Winning ChancesUSU Championship 20061602341

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional692347

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest922352

1270UnicubeUSU Championship 20031712371

1368Goat in the Garden 3Ural Championship 2005. Round 21742382

1895Steaks on BoardNEERC 2011 Eastern Subregional802399

1717Eligibility RulesNEERC 2009 Eastern Subregional1082407

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest412438

2022Riding a ToadNEERC 2014 Eastern Subregional422443

1652Banking CrisisNEERC 2008 Eastern Subregional1192462

1833Hopes of RowingUral Championship 2011842467

1945Many-armed BrothersUral FU Personal Contest 2012622486

1850Space TourismPetrozavodsk Summer 2010. USU Contest782494

1758Bald Spot Revisited 2USU Personal Contest 2010982496

1972Game TestingUral Championship 2013542526

1275Knights of the Round TableNEERC 2003 Central Subregional1572572

1609Tram TileUral Championship 20081222572

1454Rectangles 2Timus Top Coders: Second Challenge1522576

1882Old NokiaUral Regional School Programming Contest 2011742577

1520Empire Strikes BackTimus Top Coders: Third Challenge1402600

1835Swamp DoctorUral Championship 2011792606

1735Theft of the CenturyUSU Championship 2009982611

1300TaxesUral Championship 19981552618

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1062624

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1082650

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1252663

1395Pascal vs. C++. Version 21462671

1829Routing TablesUSU Personal Contest 2011782678

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional962680

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest792696

1308Dean's PyramidUral Championship 2004. Round 11502702

2083The Guardian of TraditionsUral Championship 2016202706

1704DemodulationUral Championship 2009992774

2053BiologyUral Championship 2015302781

1599Winding Number262784

1312TrayUral Championship 2004. Round 11452789

1239Ghost BustersNEERC 20021412801

1865The Island of MärketUral FU Championship 2011662857

1058ChocolateNEERC 2000 Central Subregional4212879

1637Triangle Game 2USU Championship 20081012880

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest662881

1505Oil TransferNEERC 2006 Eastern Subregional1272887

1566Triangular PostcardsUSU Championship 20071142887

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1282894

2051PhysicsUral Championship 2015282927

1464LightPetrozavodsk Winter 2006. USU Contest1272951

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932955

2006Kirill the GardenerUral Regional School Programming Contest 2013422957

1482Triangle GameUSU Championship 20061242970

1798Fire Circle. Version 2252980

2084Technical debtUral Championship 2016173006

141140 Islands KnightsUSU Championship 20051353022

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection443068

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest793080

1367Top SecretUral Championship 2005. Round 21323087

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional503090

1438Time Limit ExceededUSU Personal Contest 20061273094

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection433126

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest603135

1442Floo PowderUral Championship 20061243138

2090Crossroads of DestinyUral FU Personal Contest 2014153143

1429BiscuitsTimus Top Coders: First Challenge1253152

1681Brother Bear's GardenUSU Personal Contest 2009873152

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1183159

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest863171

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest593173

1622EndspielPetrozavodsk Winter 2008. ITMO Contest913220

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest913220

1975Model of the EarthUral Championship 2013403234

2087TrainsUral Championship 2016153246

1597Chernobyl’ Eagle on a Roof. Version 2303278

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection403314

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest563317

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest623333

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest273360

1909Space ReconUral Championship 2012453382

1166Funny Card GameNEERC 2001 Northern Subregional1163405

2057Non-palidromic cuttingPalindromic Contest 213418

2061OEIS A216264Palindromic Contest 213418

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1183437


1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional433498

2079Memory leaksUral Championship 2016133529

1509Domino RecognitionNEERC 2006 Eastern Subregional1013564

1616Square Country 4Ural Championship 2008853574

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest513598

1834Tennis RacketUral Championship 2011543623

1778Chinese Hockey 2Ural SU Championship 2010583679

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest553692

2049ChemistryUral Championship 2015203708

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest863745

1765Error 404Ural Championship 2010613758

1632LasersUSU Championship 2008753761

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest963768

1938Caribbean TriangleUral FU Championship 2012383826

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473850

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection333853

1733Forgotten TechnologyUSU Championship 2009633863

2086Find DenisUral Championship 2016113865

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest883908

1598DSA Attack233912

2088Nostalgic EveningUral Championship 2016103995

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest214010

2077ReductionsQualification of eastern subregional contest 2015124046

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest984074

1460WiresPetrozavodsk Winter 2006. USU Contest894084

2094Thousand ImpsUral FU Personal Contest 201494135

1661DodecahedronPetrozavodsk Winter 2008. USU Contest654169

1967Programmer CasinoUral FU Personal Contest 2013294234

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest614404

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest804438

1344Gigantic TurnipUSU Championship 2004884464

1973Location GeneratorUral Championship 2013264491

1594Aztec Treasure564498

1271Sailing DirectionsUSU Championship 2003844566

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest604646

1999The secret moduleNEERC 2013 Eastern Subregional234693

1340CucarachaUSU Championship 2004834704

1797Summit Online Judge. Version 2294810

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest524910

1365Testing CalculatorUral Championship 2005. Round 2794925

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest564928

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest714931

2076VasianaQualification of eastern subregional contest 201584945

1801The Revolution CupNEERC 2010 Eastern Subregional404965

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest154973

1799Sasha and swag strings105000

1771A Deputy's MorningUral Championship 2010435035

2054AstronomyUral Championship 2015125055

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775057

1426RectanglesTimus Top Coders: First Challenge735128

1763Expert FleaUral Championship 2010415232

2016Magic and ScienceNEERC 2014 Eastern Subregional145293

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest725365

2082PokerUral Championship 201655380

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645398

1372Death StarUral Championship 2005. Round 1695568

1842Local RootsPetrozavodsk Summer 2010. USU Contest285776

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285776

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest275917

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest305999

1668Death Star 2Petrozavodsk Winter 2008. USU Contest426013

1674Drunk KingPetrozavodsk Summer 2008. USU Contest406212

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426254

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest406254

1363HalftonesUral Championship 2005. Round 2606262

1536Delights of Pipe-weedUSU Personal Contest 2007486578

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386616

1906The Lost CivilizationUral Championship 2012186642

1653Death ConveyorNEERC 2008 Eastern Subregional366904

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337564

1840Victim of AdvertisingUral Championship 2011207730

1596Knight Mare167864

1432Twofold LuckUSU Personal Contest 2006437999

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288174

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest308987

1415Mobile LifeUSU Championship 2005389126

1376Dean's Pyramid 2Ural Championship 2005. Round 1389164

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection89203

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest369565

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2010147

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910710

1399Economical Director2610782

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211234

1374MisereUral Championship 2005. Round 12811576

1708Sum of Digits 2Ural Championship 20091512091

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112352

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313332

1548Sakura and StatisticsUral Championship 20071614466

1369Cockroach RaceUral Championship 2005. Round 21915115

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1815713

1589SokobanNEERC 2007 Eastern Subregional622235

1394Ships. Version 2725882