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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7844217

1001Reverse Root2274917

1785Lost in LocalizationUral Regional School Programming Contest 20101372118

1293EniyaSpring School Contest 20042244719

1409Two GangstersAutumn School Contest 20052154820

2012About Grisha N.NEERC 2014 Eastern Subregional593520

1877Bicycle CodesUral Regional School Programming Contest 2011971822

1264WorkdaysAutumn School Contest 20031558027

2001Mathematicians and BerriesUral Regional School Programming Contest 2013552227

1820Ural SteaksUSU Personal Contest 2011814328

1787Turn for MEGAUral Regional School Programming Contest 2010848029

1197Lonesome KnightSpring School Contest 20021329631

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011647432

2066Simple ExpressionUral Regional School Programming Contest 2015270534

1639Chocolate 2Autumn School Contest 2008887335

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional516435

1924Four ImpsUral Regional School Programming Contest 2012487736

2023Donald is a postmanNEERC 2014 Eastern Subregional313738

1313Some Words about SportUral Championship 2004. Round 11079640

12091, 10, 100, 1000...Autumn School Contest 20021022341

1068Sum2796342

1225FlagsNEERC 2002 Central Subregional992742

1319HotelUral Championship 2004. Round 2996343

1567SMS-spamUSU Championship 2007815943

1581TeamworkAutumn School Contest 2007798644

2100Wedding DinnerUral FU Junior Championship 2016138744

1585PenguinsNEERC 2007 Eastern Subregional754246

1263ElectionsAutumn School Contest 2003900447

1991The battle near the swampNEERC 2013 Eastern Subregional307148

1100Final StandingsTetrahedron Team Online Contest May 2001809850

1327FusesAutumn School Contest 2004838051

1876Centipede's MorningUral Regional School Programming Contest 2011405752

1493One Step from HappinessAutumn School Contest 2006723054

1243Divorce of the Seven DwarfsUSU Personal Contest 2003766155

1110PowerBulgarian Online Contest September 2001729056

1881Long problem statementUral Regional School Programming Contest 2011374356

1893A380NEERC 2011 Eastern Subregional372656

1349FarmSpring School Contest 2005765457

1607TaxiUSU Personal Contest 2008591657

1545HieroglyphsUral Championship 2007630459

1496SpammerAutumn School Contest 2006651160

1196History ExamSpring School Contest 2002664062

1636Penalty TimeUSU Championship 2008507062

1837Isenbaev's NumberUral Championship 2011363262

1925British Scientists Save the WorldUral Regional School Programming Contest 2012281363

1149Sinus Dances639464

1654Cipher MessageNEERC 2008 Eastern Subregional477865

1563BayanUSU Championship 2007537166

1617Flat SpotsUral Championship 2008498867

1723Sandro's BookUral Regional School Programming Contest 2009416367

1131CopyingUSU Championship 2001588869

2002Test TaskUral Regional School Programming Contest 2013211169

1025Democracy in DangerAutumn School Contest 20001789370

2035Another Dress RehearsalUral Regional School Programming Contest 2014169370

1224SpiralNEERC 2002 Central Subregional586271

1457Heating MainTimus Top Coders: Second Challenge581971

1083Factorials!!!Spring School Contest 20011504674

2056ScholarshipUral Championship 2015139274

2005Taxi for ProgrammersUral Regional School Programming Contest 2013191476

1792Hamming CodeUral Regional School Programming Contest 2010316477

1935Tears of DrownedUral FU Championship 2012228377

2031Overturned NumbersUral Regional School Programming Contest 2014153277

1502Domino DotsNEERC 2006 Eastern Subregional493079

1712Cipher GrilleNEERC 2009 Eastern Subregional352579

1638BookwormUSU Championship 2008392680

1106Two TeamsTetrahedron Team Online Contest May 2001503481

1139City BlocksNEERC 2001 Central Subregional504381

1119MetroAutumn School Contest 2001497682

1194HandshakesSpring School Contest 2002503082

2011Long StatementUral Regional School Programming Contest 2013178182

1290SabotageSpring School Contest 2004514583

2068Game of NutsUral Regional School Programming Contest 2015109283

1404Easy to Hack!Autumn School Contest 2005516884

1120Sum of Sequential NumbersAutumn School Contest 2001482685

1180Stone GameUSU Personal Contest 2002469388

1146Maximum SumDSAP Vietnam Online Contest November 2001460789

1297PalindromeSpring School Contest 2004469091

1005Stone PileUSU Championship 19971381292

1510OrderNEERC 2006 Eastern Subregional422592

1601AntiCAPSUSU Personal Contest 2008364792

1161StripiesNEERC 2001 Northern Subregional438793

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001422096

1203Scientific ConferenceUSU Local Contest. March 2002430096

1446Sorting HatUral Championship 2006433896

16421D MazeAutumn School Contest 2008324996

1009K-based NumbersUSU Championship 19971304897

1370MagicianUral Championship 2005. Round 2447197

1796Amusement ParkUral Regional School Programming Contest 2010250097

1902Neo-VeniceUral Championship 2012184797

1644A Whole Lot of WalnutsAutumn School Contest 2008318598

2025Line FightingUral Regional School Programming Contest 2014120498

1731DillUral Regional School Programming Contest 2009279499

2033DevicesUral Regional School Programming Contest 2014118999

1786Sandro's BiographyUral Regional School Programming Contest 20102424100

1118Nontrivial NumbersAutumn School Contest 20014026101

1136ParliamentNEERC 2001 Central Subregional4012102

1214Strange ProcedureAutumn School Contest 20024052103

1020RopeAutumn School Contest 200012079104

1296HyperjumpSpring School Contest 20044105104

1014Product of DigitsUSU Local Contest. 199912047105

1228ArrayNEERC 2002 Central Subregional3975105

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131394105

2018The Debut AlbumNEERC 2014 Eastern Subregional1134105

1330IntervalsAutumn School Contest 20044017107

1126Magnetic StormsUSU Championship 20013738109

1573AlchemyAutumn School Contest 20073233109

1777AnindilyakwaUral SU Championship 20102201110

1192Ball in a DreamSpring School Contest 20023667112

1079MaximumWinter Mathematical Festival Varna 20019885113

1353Milliard Vasya's FunctionSpring School Contest 20053783114

1226esreveR redrONEERC 2002 Central Subregional3609115

1082Gaby IvanushkaSpring School Contest 20019547116

1086CryptographySpring School Contest 20019545116

1582BookmakersNEERC 2007 Eastern Subregional2975117

1044Lucky Tickets. Easy!USU Championship 200010483119

1219Symbolic SequenceUSU Championship 20023500119

1260Nudnik PhotographerAutumn School Contest 20033533120

1123SalaryAutumn School Contest 20013323123

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023355123

1711Code NamesNEERC 2009 Eastern Subregional2257123

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional949125

1283DwarfUSU Personal Contest 20043373126

1336Problem of Ben BetsalelAutumn School Contest 20043413126

2102Michael and CryptographyUral FU Junior Championship 2016472127

1688Team.GOV!USU Personal Contest 20092313129

1683FridgeUSU Personal Contest 20092308130

1982Electrification PlanUral FU Championship 20131133130

2000Grand Theft Array VUral Regional School Programming Contest 20131123130

1352Mersenne PrimesSpring School Contest 20053226134

1725Sold Out!Ural Regional School Programming Contest 20092066134

1022Genealogical TreeAutumn School Contest 20009256136

1868Prediction ContestUral FU Championship 20111545136

1402CocktailsAutumn School Contest 20053143138

1021Sacrament of the SumAutumn School Contest 20008991140

1222Chernobyl’ EaglesUSU Championship 20022956141

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101690143

1964Chinese DialectsUral FU Personal Contest 20131095143

1740Deer is Better!USU Championship 20091914144

1612Tram ForumUral Championship 20082291145

1026Questions and AnswersAutumn School Contest 20008613146

1178Akbardin’s RoadsUSU Personal Contest 20022810146

1576Telephone TariffsAutumn School Contest 20072407146

1931Excellent TeamUral FU Championship 20121205146

1084Goat in the GardenSpring School Contest 20017539147

1142RelationsDSAP Vietnam Online Contest November 20012782147

1167Bicolored HorsesRomanian Online Contest December 20012793147

1572Yekaterinozavodsk Great WellAutumn School Contest 20072341150

1864Get-Together at Den'sUral FU Championship 20111389151

1821BiathlonUSU Personal Contest 20111504152

2069Hard RockUral Regional School Programming Contest 2015589152

1210Kind SpiritsAutumn School Contest 20022709153

1073Square CountryUSU Personal Contest 20017242156

1306Sequence MedianUral Championship 19982730156

1984Dummy GuyUral FU Championship 2013945156

2073Log FilesUral Regional School Programming Contest 2015575156

1709Penguin-AviaUral Championship 20091883157

1017StaircasesUSU Local Contest. 19997915159

1295Crazy NotionsSpring School Contest 20042669159

1354Palindrome. Again PalindromeSpring School Contest 20052718159

1280Topological SortingNEERC 2003 Central Subregional2653160

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional913160

1756One and a Half DiggersUSU Personal Contest 20101625161

1586Threeprime NumbersNEERC 2007 Eastern Subregional2157162

1613For Fans of StatisticsUral Championship 20082056162

1272Non-Yekaterinburg SubwayUSU Championship 20032591163

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1854164

1135RecruitsNEERC 2001 Central Subregional2482165

1506Columns of NumbersNEERC 2006 Eastern Subregional2357165

1157Young TilerUral Championship 2001. Round 22467166

1213Cockroaches!Autumn School Contest 20022437170

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1247170

1874Football GoalUral Regional School Programming Contest 20111224170

1012K-based Numbers. Version 27279173

2091Natural SelectionUral FU Personal Contest 2014401173

1640Circle of WinterAutumn School Contest 20081786174

1878Rubinchik's CubeUral Regional School Programming Contest 20111200174

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101380175

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1011175

1335White ThesisAutumn School Contest 20042411178

1413Mars JumperUSU Championship 20052432178

1685OrthographyUSU Personal Contest 20091677178

1134CardsNEERC 2001 Central Subregional2278179

1193Queue at the ExamSpring School Contest 20022291179

1102Strange DialogTetrahedron Team Online Contest May 20012244180

1152False MirrorsUral Championship 2001. Round 22271180

1930Ivan's CarUral Regional School Programming Contest 2012978180

1207Median on the PlaneUSU Local Contest. March 20022273181

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091523181

1769Old Ural LegendUral Championship 20101431181

1800Murphy's LawNEERC 2010 Eastern Subregional1322182

1048Superlong SumsUSU Local Contest. March 20006617185

1133Fibonacci SequenceNEERC 2001 Central Subregional2205185

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional957185

1944Record of the Attack at the OrbitUral FU Personal Contest 2012923185

1789Searching for the DodecahedronUral Regional School Programming Contest 20101301186

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015482186

1114BoxesBulgarian Online Contest September 20012155189

1423String TaleTimus Top Coders: First Challenge2208190

1645Ski RaceAutumn School Contest 20081635190

1494MonobilliardsAutumn School Contest 20062030192

1208Legendary Teams ContestUSU Local Contest. March 20022131193

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1610193

2105Alice and Bob are on BikesUral FU Junior Championship 2016308193

1164FillwordNEERC 2001 Northern Subregional2101195

1869New Year CruiseUral FU Championship 20111072195

1885Passenger ComfortNEERC 2011 Eastern Subregional1053197

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional600197

1112CoverBulgarian Online Contest September 20012042199

1138Integer PercentageNEERC 2001 Central Subregional2046199

1348Goat in the Garden 2Spring School Contest 20052163199

2070Interesting NumbersUral Regional School Programming Contest 2015444201

1023ButtonsAutumn School Contest 20006224202

1680The First NonqualifyingUSU Personal Contest 20091479202

2095ScrumUral FU Personal Contest 2014342202

1987Nested SegmentsUral FU Championship 2013718204

2065Different SumsUral Regional School Programming Contest 2015434206

1635Mnemonics and PalindromesUSU Championship 20081479211

2098Lada PrioraUral FU Personal Contest 2014327211

1183Brackets SequenceNEERC 20011928213

1002Phone NumbersCentral European Olympiad in Informatics 19995923214

1249Ancient NecropolisUSU Local Contest. March 20031951214

1490Fire CircleAutumn School Contest 20061824214

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional548215

1515CashmasterTimus Top Coders: Third Challenge1749219

1491Unreal StoryAutumn School Contest 20061768221

1052Rabbit HuntUSU Local Contest. March 20005528223

1242WerewolfUSU Personal Contest 20031876223

1333Genie Bomber 2Autumn School Contest 20041919223

1737Mnemonics and Palindromes 3USU Championship 20091207227

1011ConductorsUSU Championship 19975532228

1125HopscotchUSU Championship 20011791228

1795Husband in a ShopUral Regional School Programming Contest 20101054229

1204IdempotentsUSU Local Contest. March 20021782230

1033LabyrinthUral Championship 19995444231

1303Minimal CoverageUral Championship 19981833232

1355Bald Spot RevisitedSpring School Contest 20051858232

1590Bacon’s CipherNEERC 2007 Eastern Subregional1473236

1049Brave BalloonistsUSU Local Contest. March 20005198237

1122GameAutumn School Contest 20011718237

1013K-based Numbers. Version 3507238

1150Page NumbersUral Championship 2001. Round 21707239

1205By the Underground or by Foot?USU Local Contest. March 20021720239

2024Adventure TimeUral Regional School Programming Contest 2014484241

1191Catch the thief!Spring School Contest 20021694242

1247Check a SequenceUSU Personal Contest 20031717243

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1607244

2067Friends and BerriesUral Regional School Programming Contest 2015364244

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1763246

1108HeritageBulgarian Online Contest September 20011643248

1200Horns and HoofsUSU Local Contest. March 20021648249

1603EruditeUSU Personal Contest 20081344249

1109ConferenceBulgarian Online Contest September 20011611252

1889Airport AnnouncementsNEERC 2011 Eastern Subregional821252

1113JeepBulgarian Online Contest September 20011604253

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014405254

1433DiamondsUSU Personal Contest 20061632255

1658Sum of DigitsNEERC 2008 Eastern Subregional1215255

1080Map ColoringWinter Mathematical Festival Varna 20014366256

1826MinefieldUSU Personal Contest 2011886256

1298KnightSpring School Contest 20041653257

1922Superhero TeamUral Regional School Programming Contest 2012685257

1195Ouths and CrossesSpring School Contest 20021578260

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1445260

1010Discrete FunctionUSTU PhysTech Cup 20004811263

1684Jack's Last WordUSU Personal Contest 20091127264

1718RejudgeNEERC 2009 Eastern Subregional1038266

1726VisitsUral Regional School Programming Contest 20091033266

1028StarsUral Championship 19994683268

1244GentlemenUSU Personal Contest 20031558268

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031559268

1087The Time to Take StonesSpring School Contest 20014088271

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest980271

1117HierarchyAutumn School Contest 20011493272

2003Simple MagicUral Regional School Programming Contest 2013530272

1741Communication FiendUSU Championship 2009999274

2034CaravansUral Regional School Programming Contest 2014425274

1211Collective GuaranteeAutumn School Contest 20021499276

1998The old PadawanNEERC 2013 Eastern Subregional526276

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1417277

1179Numbers in TextUSU Personal Contest 20021474278

1779The Great TeamUral SU Championship 2010868278

1220StacksUSU Championship 20021485279

2104Game with a StripUral FU Junior Championship 2016210279

1501Sense of BeautyNEERC 2006 Eastern Subregional1387280

1537EntsUSU Personal Contest 20071334280

1823Ideal GasUSU Personal Contest 2011806281

1047Simple CalculationsUSU Local Contest. March 20004306286

1018Binary Apple TreeUSU Local Contest. 19994353289

1032Find a MultipleUral Championship 19993740293

1184Cable MasterNEERC 20011389295

1377Lara CroftUral Championship 2005. Round 11468295

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012594295

1024PermutationsAutumn School Contest 20004253296

1497Cutting a SquareAutumn School Contest 20061314296

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest896296

1753BookshelfUSU Personal Contest 2010874298

1036Lucky Tickets4197299

1521War Games 2Timus Top Coders: Third Challenge1270301

1551Sumo TournamentUral Championship 20071221302

1981Parallel and PerpendicularUral FU Championship 2013482302

2108Oleg and Little PoniesUral FU Junior Championship 2016193302

2021Scarily interesting!NEERC 2014 Eastern Subregional386303

1053PinocchioNEERC 2000 Central Subregional4039304

1215Exactness of Projectile HitAutumn School Contest 20021353306

1137Bus RoutesNEERC 2001 Central Subregional1320308

1933Guns for Battle!Ural FU Championship 2012565308

1934Black SpotUral FU Championship 2012566308

1124MosaicUSU Championship 20011312310

1127Colored BricksUSU Championship 20011310310

1989SubpalindromesUral FU Championship 2013468311

1153SupercomputerUral Championship 2001. Round 21308312

1190Bar of ChocolateSpring School Contest 20021313312

1116Piecewise Constant FunctionAutumn School Contest 20011292314

1227Rally ChampionshipNEERC 2002 Central Subregional1316315

1294Mars SatellitesSpring School Contest 20041339317

1517Freedom of ChoiceTimus Top Coders: Third Challenge1196319

1450Russian PipelinesTimus Top Coders: Second Challenge1281320

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional747320

1992CVSNEERC 2013 Eastern Subregional451321

1320Graph DecompositionUral Championship 2004. Round 21315323

1588JamaicaNEERC 2007 Eastern Subregional1074323

1604Country of FoolsUSU Personal Contest 20081033323

1160NetworkNEERC 2001 Northern Subregional1272326

1185WallNEERC 20011257326

1302Delta-waveUral Championship 19981293328

1793Tray 2Ural Regional School Programming Contest 2010730329

1121BranchesAutumn School Contest 20011232330

1346Intervals of MonotonicityUSU Championship 20041303330

1008Image EncodingUSTU PhysTech Cup 20003805332

1029MinistryUral Championship 19993281333

1218Episode N-th: The Jedi TournamentUSU Championship 20021244333

1941Scary Martian WordUral FU Personal Contest 2012502337

1223Chernobyl’ Eagle on a RoofUSU Championship 20021226338

1406Next NumberAutumn School Contest 20051278338

1156Two RoundsUral Championship 2001. Round 21202339

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest868340

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1095342

1201Which Day Is It?USU Local Contest. March 20021193343

2062Ambitious ExperimentUral Regional School Programming Contest 2015256343

1060Flip GameNEERC 20003344347

1651Shortest SubchainNEERC 2008 Eastern Subregional890347

2046The First Day at SchoolUral Championship 2015290347

1648YachtsAutumn School Contest 2008888348

1246Tethered DogUSU Personal Contest 20031193349

1282Game TreeNEERC 2003 Central Subregional1206349

1261TipsAutumn School Contest 20031201350

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest757350

1904The Lessons of the PastUral Championship 2012501351

1431DiplomasUSU Personal Contest 20061178353

2063Black and WhiteUral Regional School Programming Contest 2015249353

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014326354

1495One-two, One-two 2Autumn School Contest 20061095355

1090In the Army NowUSU Local Contest. March 20012958356

1031Railway TicketsUral Championship 19993508357

1140Swamp IncidentNEERC 2001 Central Subregional1120363

1262Pseudo-Roman NumberAutumn School Contest 20031157364

1483Table FootballUSU Championship 20061069364

1292Mars Space StationsSpring School Contest 20041161365

1356Something EasierSpring School Contest 20051177365

1574Mathematicians and bracketsAutumn School Contest 2007950367

1007Code WordsUSU Championship 19973425369

1176HyperchannelsUSU Personal Contest 20021105370

1403CourierAutumn School Contest 20051167370

1078SegmentsWinter Mathematical Festival Varna 20013010371

1141RSA Attack1095371

1039Anniversary PartyUSU Championship 20003274380

1828Approximation by a ProgressionUSU Personal Contest 2011593381

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest548381

1055CombinationsNEERC 2000 Central Subregional3202383

2078Bowling gameUral Championship 2016183383

1003ParityCentral European Olympiad in Informatics 19993292384

1427SMSTimus Top Coders: First Challenge1085384

1229Strong BrickworkNEERC 2002 Central Subregional1074385

1279WarehouseNEERC 2003 Central Subregional1095385

1901Space ElevatorsUral Championship 2012456385

1287Mars CanalsUSU Personal Contest 20041097386

1259How to Become Star?Autumn School Contest 20031084388

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional370390

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional524393

2047MathsUral Championship 2015255393

2109Tourism on MarsUral FU Junior Championship 2016146393

1289One Way TicketUSU Personal Contest 20041075394

1489Points on a ParallelepipedAutumn School Contest 2006985394

1759Long-LiversUSU Personal Contest 2010659394

1407One-two, One-twoAutumn School Contest 20051092395

1783Nuclear Arms RaceUral SU Championship 2010607396

1343Fairy TaleUSU Championship 20041081397

1111SquaresBulgarian Online Contest September 20011018398

1115ShipsBulgarian Online Contest September 20011016399

1350CanteenSpring School Contest 20051073400

2026Dean and ScheduleUral Regional School Programming Contest 2014287401

1217Unlucky TicketsUSU Championship 20021028402

1562GM-pineappleUSU Championship 2007867402

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional288403

2030Awesome Backup SystemUral Regional School Programming Contest 2014284405

1077Travelling Tours998406

1513Lemon TaleTimus Top Coders: Third Challenge938406

1963KiteUral FU Personal Contest 2013380406

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest743408

1015Test the Difference!USU Local Contest. 19993076409

1631Drunk King 2USU Championship 2008758409

1221Malevich Strikes Back!USU Championship 20021007410

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest507411

1291Gear-wheelsSpring School Contest 20041028412

1107Warehouse ProblemTetrahedron Team Online Contest May 2001973414

1252Sorting the TombstonesUSU Local Contest. March 20031004414

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001979415

1923Scary PoliticsUral Regional School Programming Contest 2012420415

1094E-screenUSU Local Contest. March 20012528416

1602ElevatorUSU Personal Contest 2008800416

1995Illegal spicesNEERC 2013 Eastern Subregional346416

1732Ministry of TruthUSU Championship 2009651418

1774Barber of the Army of MagesUral SU Championship 2010574418

1128Partition into GroupsUSU Championship 2001965420

1507Difficult DecisionNEERC 2006 Eastern Subregional920420

1571InterpretersUSU Championship 2007824423

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest267424

1873GOV ChroniclesUral Regional School Programming Contest 2011483426

1519Formula 1Timus Top Coders: Third Challenge888429

1416ConfidentialUSU Championship 2005993432

1038Spell CheckerUSU Championship 20002866433

1410CrackUSU Championship 2005992433

1480CouponsUSU Championship 2006898433

1181Cutting a Painted PolygonUSU Personal Contest 2002939434

1258PoolAutumn School Contest 2003967434

1700AwakeningUral Championship 2009674434

1776Anniversary FireworkUral SU Championship 2010552434

2099Space InvaderUral FU Personal Contest 2014153437

1019Line PaintingUSU Local Contest. 19992872438

1089Verification with a VocabularySpring School Contest 20012521439

1202Rectangles TravelUSU Local Contest. March 2002931439

2071Juice CocktailsUral Regional School Programming Contest 2015196443

1900Brainwashing DeviceUral Championship 2012392446

1129Door PaintingUSU Championship 2001907447

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest783447

1238FoldingNEERC 2002915453

1641DutiesAutumn School Contest 2008679454

1155TroubleduonsUral Championship 2001. Round 2892455

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection339456

1890Money out of Thin AirNEERC 2011 Eastern Subregional448458

1643Attack of the Dark FortressAutumn School Contest 2008672459

2081Faulty dialUral Championship 2016151459

1326Bottle TapsUral Championship 2004. Round 2917462

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014247463

1942Attack at the OrbitUral FU Personal Contest 2012359467

1162Currency ExchangeNEERC 2001 Northern Subregional866469

1316Electronic AuctionUral Championship 2004. Round 1903469

1628White StreaksUSU Championship 2008660469

1535The Hobbit or There and Back AgainUSU Personal Contest 2007789471

1051Simple Game on a GridUSU Local Contest. March 20002601472

1401GamersAutumn School Contest 2005911473

1728Curse on Team.GOVUral Regional School Programming Contest 2009576474

1329Galactic HistoryAutumn School Contest 2004894477

1189Pairs of IntegersNEERC 2001853478

1430Crime and PunishmentTimus Top Coders: First Challenge870478

1072RoutingUSU Personal Contest 20012352480

1273TieUSU Championship 2003874480

1577E-mailAutumn School Contest 2007724480

1428Jedi RiddleTimus Top Coders: First Challenge865481

1322SpyUral Championship 2004. Round 2873485

1091Tmutarakan ExamsUSU Local Contest. March 20012151489

1525PathPetrozavodsk Winter 2007. D.Gozman Contest763489

1103Pencils and CirclesTetrahedron Team Online Contest May 2001818491

1236Decoding TaskNEERC 2002842491

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional481493

1439Battle with You-Know-WhoUral Championship 2006832494

1414Astronomical DatabaseUSU Championship 2005858500

1579Coat TransportationAutumn School Contest 2007694500

1212BattleshipAutumn School Contest 2002822501

1182Team Them Up!NEERC 2001807505

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional343507

1158Censored!NEERC 2001 Northern Subregional799508

1098Questions1967511

1045Funny GameUSU Local Contest. March 20002380516

1971Graphics SettingsUral Championship 2013289518

1056Computer NetNEERC 2000 Central Subregional2343522

1314Chase in SubwayUral Championship 2004. Round 1810522

1066GarlandNEERC 20002215523

1069Prufer CodeUSU Personal Contest 20012156523

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional520525

1362Classmates 2Ural Championship 2005. Round 2815526

1650BillionairesNEERC 2008 Eastern Subregional582527

1884Way to the UniversityUral Regional School Programming Contest 2011389527

1095Nikifor 3USU Local Contest. March 20011981530

1334CheckersAutumn School Contest 2004803530

1600AirportUSU Personal Contest 2008626530

1871Seismic WavesUral FU Championship 2011387531

1366PresentsUral Championship 2005. Round 2806532

1870Zinium 2Ural FU Championship 2011386532

1437Gasoline StationUSU Personal Contest 2006774535

1465Pawn GamePetrozavodsk Winter 2006. USU Contest736536

1729Dead Man's ChestUral Regional School Programming Contest 2009508536

1891Language OceanNEERC 2011 Eastern Subregional379539

1980Road to InvestorUral Championship 2013277540

1400Cellular CharactersAutumn School Contest 2005789545

1754Explosion in a PyramidUSU Personal Contest 2010472547

1101Robot in the FieldTetrahedron Team Online Contest May 2001731549

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005776551

1143Electric PathDSAP Vietnam Online Contest November 2001734552

1004Sightseeing TripCentral European Olympiad in Informatics 19992280554

1534Football in GondorUSU Personal Contest 2007669555

2080WalletUral Championship 2016122559

1421Credit OperationsTimus Top Coders: First Challenge740561

2004Scientists from SpilkovoUral Regional School Programming Contest 2013252561

1605Devil's SequenceUSU Personal Contest 2008589563

1027D++ AgainAutumn School Contest 20002222565

1172Ship RoutesRomanian Online Contest December 2001717565

1682Crazy ProfessorUSU Personal Contest 2009521565

1448Lighting in HogwartsUral Championship 2006725566

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014200567

2064CaterpillarsUral Regional School Programming Contest 2015150571

1375Bill CleversUral Championship 2005. Round 1751572

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014197575

1085MeetingSpring School Contest 20011918576

1698Square Country 5Petrozavodsk Winter 2009. USU Contest509576

1067Disk TreeNEERC 20001999579

1198Jobbery741579

1710Boris, You Are Wrong!Ural Championship 2009500582

1071Nikifor 2USU Personal Contest 20011930584

1325DirtUral Championship 2004. Round 2722584

2074Timus problems classifierQualification of eastern subregional contest 2015130584

1064Binary SearchNEERC 20001981585

1358CablesSpring School Contest 2005731585

1760Infernal WorkUSU Personal Contest 2010441585

2048HistoryUral Championship 2015168585

1550Dean's Pyramid 3Ural Championship 2007623586

1592Chinese WatchesNEERC 2007 Eastern Subregional588586

1713Key SubstringsNEERC 2009 Eastern Subregional463589

1966Cycling RoadsUral FU Personal Contest 2013259589

1061Buffer ManagerNEERC 20001966590

2009Canteen LineUral Regional School Programming Contest 2013239590

2060Subpalindrome pairsPalindromic Contest 157592

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest188593

1928Another Ecology ProblemUral Regional School Programming Contest 2012290594

1822Hugo II's WarUSU Personal Contest 2011376595

1445Christmas giftsUral Championship 2006687597

1806Mobile TelegraphsNEERC 2010 Eastern Subregional396597

1803The Czechs' RiflesNEERC 2010 Eastern Subregional395598

1962In Chinese RestaurantUral FU Personal Contest 2013255598

1659Regular TrianglesNEERC 2008 Eastern Subregional511599

2089Experienced coachUral Championship 2016113600

2106DeserializationUral FU Junior Championship 201692601

1059ExpressionNEERC 2000 Central Subregional2024604

1070Local TimeUSU Personal Contest 20011863605

1701Ostap and PartnersUral Championship 2009480606

1706Cipher Message 2Ural Championship 2009480606

1838Samurai's StrokeUral Championship 2011362607

1690Army of MagesPetrozavodsk Winter 2009. USU Contest478612

1309DisputeUral Championship 2004. Round 1688613

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest564617

1371Cargo AgencyUral Championship 2005. Round 1694618

1767The House of Doctor DeeUral Championship 2010411620

1939First SealUral FU Championship 2012275621

1332Genie BomberAutumn School Contest 2004675629

2092BoleroUral FU Personal Contest 2014103630

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional179635

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest493636

1054Hanoi TowerNEERC 2000 Central Subregional1921637

1452Pascal vs. C++Timus Top Coders: Second Challenge634641

1248Sequence SumUSU Personal Contest 2003644642

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009422643

1866Poetic FootUral FU Championship 2011316647

1076Trash1727648

1254Die HardUSU Local Contest. March 2003637650

1542AutocompletionUral Championship 2007561650

1500Pass LicensesNEERC 2006 Eastern Subregional588653

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest315655

1132Square Root615656

1253NecrologuesUSU Local Contest. March 2003631656

1234BricksNEERC 2002625659

1174Weird PermutationsRomanian Online Contest December 2001613660

1564Counting OnesUSU Championship 2007522663

1606SlalomUSU Personal Contest 2008498664

1186Chemical ReactionsNEERC 2001609666

1892Morning in KoltsovoNEERC 2011 Eastern Subregional305666

1096Get the Right Route Plate!USU Local Contest. March 20011571668

1443RailsUral Championship 2006609672

1961Cantonese DialectUral FU Personal Contest 2013225674

1903Unidentified ShipsUral Championship 2012256675

1286Starship TravelUSU Personal Contest 2004622676

1990PodracingNEERC 2013 Eastern Subregional209676

1274Fractional ArithmeticNEERC 2003 Central Subregional612683

1088Ilya MurometzSpring School Contest 20011614684

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest572687

1940Not So Simple YearsUral FU Championship 2012247689

1943Space RummyUral FU Personal Contest 2012240690

1772Ski-Trails for RobotsUral Championship 2010367692

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest618693

1633HippogriffsUSU Championship 2008442695

1168Radio StationsRomanian Online Contest December 2001580696

1872Spacious OfficeUral FU Championship 2011292698

1057Amount of DegreesNEERC 2000 Central Subregional1749699

1440Training ScheduleUral Championship 2006584700

1484Film RatingUSU Championship 2006550702

1611DecimationUral Championship 2008466702

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional245702

1250Sea BurialUSU Local Contest. March 2003586705

1755CakeUSU Personal Contest 2010364705

1773Metro to Every HomeUral Championship 2010360705

2110Remove or MaximizeUral FU Junior Championship 201677705

1305Convex HullUral Championship 1998592710

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest545711

1169PairsRomanian Online Contest December 2001566713

1159FenceNEERC 2001 Northern Subregional565714

1230Introspective ProgramNEERC 2002 Central Subregional574715

1301Cube in LabyrinthUral Championship 1998582722

2008SwiftyUral Regional School Programming Contest 2013193724

1629TripUSU Championship 2008420731

1405Goat in the Garden 5Autumn School Contest 2005585732

1716Alternative SolutionNEERC 2009 Eastern Subregional370733

1034Queens in Peaceful PositionsUral Championship 19991700735

1932The Secret of IdentifierUral FU Championship 2012231735

1037Memory ManagementUSU Championship 20001672741

1994The Emperor's planNEERC 2013 Eastern Subregional189744

1780Gray CodeUral SU Championship 2010317747

1825Ifrit Bomber 2USU Personal Contest 2011297748

1830Help in the RNOSUral Championship 2011292748

1832Arirang ShowUral Championship 2011292748

1593Square Country. Version 2394749

1424MinibusTimus Top Coders: First Challenge551750

1775Space BowlingUral SU Championship 2010315751

1235Cricket FieldNEERC 2002546752

1614National Project “Trams”Ural Championship 2008433755

1016Cube on the WalkUSU Local Contest. 19991655758

1379Cups TransportationUral Championship 2005. Round 1557768

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection197768

1392Dreaming of Stars555771

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012221772

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional220778

1646Godzilla Strikes Back!Autumn School Contest 2008391780

1647Divide an Island!Autumn School Contest 2008390782

1512ZiniumTimus Top Coders: Third Challenge481785

1456Jedi Riddle 2Timus Top Coders: Second Challenge513789

1042Central HeatingUSU Championship 20001556796

1276TrainNEERC 2003 Central Subregional524796

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest435796

1689Fisherman and BarbellUSU Personal Contest 2009367796

1875Angry BirdsUral Regional School Programming Contest 2011254796

1986Paul’s SaladsUral FU Championship 2013176799

1268Little ChuUSU Championship 2003521800

1587Flying PigNEERC 2007 Eastern Subregional426804

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional291805

1323ClassmatesUral Championship 2004. Round 2519809

1105Observers ColoringTetrahedron Team Online Contest May 2001492810

1277Cops and ThievesNEERC 2003 Central Subregional514811

1486Equal SquaresUSU Championship 2006475811

1269Obscene Words FilterUSU Championship 2003513812

1030TitanicUral Championship 19991529817

1974Similar TunesUral Championship 2013179820

1147Shaping RegionsDSAP Vietnam Online Contest November 2001490821

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest132826

1738Computer SecurityUSU Championship 2009324827

1342EnterpriseUSU Championship 2004513828

1547Password SearchUral Championship 2007438828

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest466829

1705Gangster HaresUral Championship 2009347831

1988Planet Ocean LandingUral FU Championship 2013168835

1720Summit Online JudgeNEERC 2009 Eastern Subregional323836

1436BillboardUSU Personal Contest 2006489840

2103Corporate MailUral FU Junior Championship 201663840

1165SubnumberNEERC 2001 Northern Subregional474849

1996Cipher Message 3NEERC 2013 Eastern Subregional164851

1373Pictura ex MachinaUral Championship 2005. Round 1501852

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest456857

1715Another Ball KillerNEERC 2009 Eastern Subregional311867

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest425869

1578Mammoth HuntAutumn School Contest 2007395869

1498Stroke at Full SpeedAutumn School Contest 2006441870

1927Herbs and MagicUral Regional School Programming Contest 2012195870

1154Mages ContestUral Championship 2001. Round 2460874

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest256879

1006Square FramesUSU Championship 19971422885

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest291892

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest323897

1580Dean's DebtsAutumn School Contest 2007381901

1905Travel in TimeUral Championship 2012189902

1324Extra SpacesUral Championship 2004. Round 2464903

1630TalismanUSU Championship 2008338903

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest287904

1824Ifrit BomberUSU Personal Contest 2011244904

1936RoshamboUral FU Championship 2012186904

1233Amusing NumbersNEERC 2002450909

1237Evacuation PlanNEERC 2002451909

1245PicturesUSU Personal Contest 2003451911

1608Lucky Tickets 2008Ural Championship 2008357911

1970皇后像廣場Ural FU Personal Contest 2013164911

1422FirefliesTimus Top Coders: First Challenge451913

2093All Roads Lead to SnowdriftUral FU Personal Contest 201468913

1175Strange SequenceUSU Personal Contest 2002440916

1285Thread in a HyperspaceUSU Personal Contest 2004451926

1575Yekaterinburg Subway 2Autumn School Contest 2007369929

2052Physical EducationUral Championship 2015102930

1364LaraKillerUral Championship 2005. Round 2456931

2017Best of a bad lotNEERC 2014 Eastern Subregional119931

1965Pear TreesUral FU Personal Contest 2013160932

1948The Robot on the LineUral FU Personal Contest 2012174937

1761Binary PalindromeUSU Personal Contest 2010271938

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest329943

1921Chaos and OrderUral Regional School Programming Contest 2012179943

1339BabiesUSU Championship 2004446949

1398Bishop and Pawn393952

1827Indigenous WarsUSU Personal Contest 2011231952

1278“… Connecting People”NEERC 2003 Central Subregional436953

1591Abstract ThinkingNEERC 2007 Eastern Subregional355961

1730ManBearPigUral Regional School Programming Contest 2009277968

1569Networking the “Iset”USU Championship 2007353972

1040Airline CompanyUSU Championship 20001270974

1130Nikifor's WalkUSU Championship 2001410976

1418Military StoryUSU Championship 2005434977

1451Beerhouse TaleTimus Top Coders: Second Challenge412978

1435Financial ErrorUSU Personal Contest 2006417982

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest351982

1836Babel FishUral Championship 2011220982

1937Davy Jones’s OrganUral FU Championship 2012170984

1784RoundersUral SU Championship 2010237989

1863Peaceful AtomUral FU Championship 2011203990

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest298991

1949The Best Picture in the GalaxyUral FU Personal Contest 2012164991

1331VladislavaAutumn School Contest 2004423995

1907Coffee and BunsUral Championship 2012170997

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1991018

1976Game OptimizationUral Championship 20131421020

1883Ent's BirthdayUral Regional School Programming Contest 20111961021

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3811022

1539Intelligence DataUSU Personal Contest 20073581023

1768Circular StringsUral Championship 20102451023

1979Resources DistributionUral Championship 20131411026

1570Eating HighUSU Championship 20073331029

1887Frequent Flyer CardNEERC 2011 Eastern Subregional1931033

1173Lazy SnailRomanian Online Contest December 20013871035

1075Thread in a SpaceUSU Personal Contest 200110741045

1518Jedi Riddle 3Timus Top Coders: Third Challenge3581047

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1021048

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2741052

1151RadiobeaconsUral Championship 2001. Round 23761064

1444ElephpotamusUral Championship 20063811064

1434Buses in VasyukiUSU Personal Contest 20063831067

1627JoinPetrozavodsk Winter 2008. ITMO Contest2891070

1687Numismatics for FunUSU Personal Contest 20092681080

1595Perfect Sequence2591082

2055Urban GeographyUral Championship 2015861085

1317HailUral Championship 2004. Round 23841086

1341DeviceUSU Championship 20043871091

1447Portkey NetworkUral Championship 20063691097

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102121097

1862Very Wealthy MoleUral FU Championship 20111821098

1879GOV-internship 2Ural Regional School Programming Contest 20111811101

1790Searching for the TruthUral Regional School Programming Contest 20102101107

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2321109

1983Nectar GatheringUral FU Championship 20131241110

1722Observation DeckUral Regional School Programming Contest 20092381120

1540Battle for the RingUSU Personal Contest 20073241127

1511Fiscal OperationsTimus Top Coders: Third Challenge3291136

1896War Games 2.1571144

1533Fat HobbitsUSU Personal Contest 20073191145

1736Chinese HockeyUSU Championship 20092311146

1968Glass PyramidUral FU Personal Contest 20131281148

2097Snowboarding on SpilnayaUral FU Personal Contest 2014521149

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3321154

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1731162

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3641164

1408Polynomial MultiplicationAutumn School Contest 20053631167

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2531168

1458War GamesTimus Top Coders: Second Challenge3401179

2107Oppa Funcan StyleUral FU Junior Championship 2016421179

1544Classmates 3Ural Championship 20073011193

1453QueenTimus Top Coders: Second Challenge3351196

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2831197

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3181203

1357Teakettle 1.0 for DummiesSpring School Contest 20053501204

1393Average Common Prefix3461209

1310ACM DiagnosticsUral Championship 2004. Round 13421215

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3181218

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2101220

1099Work Scheduling7721222

1359ConstructionSpring School Contest 20053441224

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1811225

1538Towers of GuardUSU Personal Contest 20072971227

1307ArchiverUral Championship 2004. Round 13361236

1546Japanese SortingUral Championship 20072901237

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1611247

1766Humpty DumptyUral Championship 20101991249

2059Not common palindromesPalindromic Contest 691251

1487Chinese FootballUSU Championship 20063031256

2007Mutants versus MachinesUral Regional School Programming Contest 20131071256

1947MeanderUral FU Personal Contest 20121271258

1035Cross-stitchUral Championship 19999831264

1669Universal WordPetrozavodsk Winter 2008. USU Contest2321269

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2681275

1807Cartridges for MaximNEERC 2010 Eastern Subregional1801275

2101Knight's ShieldUral FU Junior Championship 2016381278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2061289

1657Cube SnakeNEERC 2008 Eastern Subregional2321290

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1711292

1171Lost in SpaceRomanian Online Contest December 20013071296

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1281296

1321Floor IndicatorUral Championship 2004. Round 23191300

1686Photovoltaic SpaceshipUSU Personal Contest 20092201305

1360Philosophical DisputeUral Championship 2005. Round 23211311

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2781313

1177Like ComparisonsUSU Personal Contest 20023031317

1946Chinese Hockey 3Ural FU Personal Contest 20121201326

1328FireballAutumn School Contest 20043121338

1985Prime SquareUral FU Championship 20131011340

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2711345

1441From the History of Gringotts BankUral Championship 20062991346

1097Square Country 2USU Local Contest. March 20017731349

1281River BasinNEERC 2003 Central Subregional3051349

1050Preparing an ArticleUSU Local Contest. March 20009021350

1065FrontierNEERC 20008531350

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2661370

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1451372

1419Maps of the Island WorldsUSU Championship 20053061373

1311Stable ConstructionUral Championship 2004. Round 13001380

1318LogarithmUral Championship 2004. Round 23001380

1499KerchiefsAutumn School Contest 20062741382

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2211385

2085Magic ProgrammerUral Championship 2016431393

1449Credit Operations 2Timus Top Coders: Second Challenge2861394

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1031407

1240Heroes of Might and MagicNEERC 20022871408

1345HTMLUSU Championship 20042951420

1299PsyloniansSpring School Contest 20042871438

1347BlogSpring School Contest 20052891449

1762Search for a Hiding-PlaceUSU Personal Contest 20101721449

1265MirrorUSU Championship 20032821454

1266Kirchhoff's LawUSU Championship 20032811459

1170DesertRomanian Online Contest December 20012711462

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest701467

1950Martian FarmlandsUral FU Personal Contest 20121071474

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1711483

1412Autumn TideUSU Championship 20052821485

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection971486

1770The Party of Ural ChampionsUral Championship 20101641500

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2531501

1251Cemetery ManagerUSU Local Contest. March 20032681512

1568Train Car SortingUSU Championship 20072211528

1043Cover an ArcUSU Championship 20008051529

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1471543

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2681567

1241Inlay CuttersNEERC 20022571569

1886Trip 2NEERC 2011 Eastern Subregional1231576

1488ACM PokerUSU Championship 20062391579

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1031583

1908Brute-force SearchUral Championship 20121031588

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1821589

1337BureaucracyAutumn School Contest 20042611590

1565The Duel for ThreeUSU Championship 20072111597

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1211600

1802Cube PuzzleNEERC 2010 Eastern Subregional1411604

1485Football and LieUSU Championship 20062331618

1378Artificial IntelligenceUral Championship 2005. Round 12591619

2058100500 palidnromesPalindromic Contest 511620

1670AsteriskPetrozavodsk Summer 2008. USU Contest1781623

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1781623

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2081626

1508Japanese PuzzleNEERC 2006 Eastern Subregional2251663

1764TranssibUral Championship 20101461673

1257HyphenationAutumn School Contest 20032431677

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1701695

20503D-modelingUral Championship 2015511707

1782Jack's New WordUral SU Championship 20101331708

1583CheeseNEERC 2007 Eastern Subregional1951710

1420Integer-Valued Complex DivisionUSU Championship 20052431714

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1461720

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1261720

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest581725

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2211730

1338AutomobilesUSU Championship 20042401732

1062TriathlonNEERC 20006571746

1425Queen 2Timus Top Coders: First Challenge2311747

1516NostalgiaTimus Top Coders: Third Challenge2101751

1707Hypnotoad's SecretUral Championship 20091591756

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection801767

1046Geometrical DreamsUSU Local Contest. March 20006821780

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012201784

1503PolynomialNEERC 2006 Eastern Subregional2081792

1734Endgame DatabaseUSU Championship 20091441794

1610CactusesUral Championship 20081751807

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1581816

1615Tram SolitaireUral Championship 20081741817

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1971826

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1581829

1781Clean CodeUral SU Championship 20101231836

1492Vasya's Dad 2Autumn School Contest 20062031842

1514National ParkTimus Top Coders: Third Challenge1991843

1304ParallelepipedUral Championship 19982191867

1417Space Poker 2USU Championship 20052221869

1841CablewaysPetrozavodsk Summer 2010. USU Contest1041871

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2221877

1093DartsUSU Local Contest. March 20015521879

1702CrossroadUral Championship 20091471890

1148Building TowersDSAP Vietnam Online Contest November 20012071891

1163ChapaevNEERC 2001 Northern Subregional2071893

1532Lost in TranslationUSU Personal Contest 20071881902

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1311903

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1511908

1757Gold BarsUSU Personal Contest 20101281911

1831Tsyfirkin's LessonUral Championship 20111081913

1397Points Game1961917

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011921

1703Robotic ArmUral Championship 20091431940

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest991951

1216Two Pawns and One KingUSU Championship 20022021969

1455Freedom of SpeechTimus Top Coders: Second Challenge1981984

1187Statistical TroubleNEERC 20011971993

1267Yekaterinburg SubwayUSU Championship 20032031994

1315MDPAR and MIIARUral Championship 2004. Round 12032008

1396Maximum. Version 21942012

1541ChaseUSU Personal Contest 20071762025

1839The MentaculusUral Championship 20111012034

2096All InclusiveUral FU Personal Contest 2014252035

1634Spider MiteUSU Championship 20081442041

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015302043

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1042052

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1932057

1041NikiforUSU Championship 20005902077

1074Very Short ProblemUSU Personal Contest 20015352078

1188LibraryNEERC 20011882084

1063Domino PuzzleNEERC 20005462093

1655Somali PiratesNEERC 2008 Eastern Subregional1372123

1288AstrolocationUSU Personal Contest 20041902135

1232Asteroid LandingNEERC 2002 Central Subregional1842153

1969Hong Kong TramUral FU Personal Contest 2013632170

1977Energy WallUral Championship 2013612183

1978E-LiteUral Championship 2013612183

1543Dance RevolutionUral Championship 20071592196

1504Good MannersNEERC 2006 Eastern Subregional1672208

1549Another Japanese PuzzleUral Championship 20071582209

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21862214

1256Cemetery GuardUSU Local Contest. March 20031782235

1867NanotechnologiesUral FU Championship 2011842243

1092TransversalUSU Local Contest. March 20014582256

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional692264

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest922293

2022Riding a ToadNEERC 2014 Eastern Subregional422309

1284Space PokerUSU Personal Contest 20041742320

1481Winning ChancesUSU Championship 20061582340

1270UnicubeUSU Championship 20031712346

1717Eligibility RulesNEERC 2009 Eastern Subregional1082359

1368Goat in the Garden 3Ural Championship 2005. Round 21722384

1739FaryuksUSU Championship 20091052402

1833Hopes of RowingUral Championship 2011842402

1895Steaks on BoardNEERC 2011 Eastern Subregional772410

1652Banking CrisisNEERC 2008 Eastern Subregional1192420

1972Game TestingUral Championship 2013542422

1850Space TourismPetrozavodsk Summer 2010. USU Contest782423

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest382444

2083The Guardian of TraditionsUral Championship 2016202461

1945Many-armed BrothersUral FU Personal Contest 2012602463

1882Old NokiaUral Regional School Programming Contest 2011742503

1758Bald Spot Revisited 2USU Personal Contest 2010952512

1835Swamp DoctorUral Championship 2011792537

1275Knights of the Round TableNEERC 2003 Central Subregional1572544

1609Tram TileUral Championship 20081212552

1735Theft of the CenturyUSU Championship 2009982558

1454Rectangles 2Timus Top Coders: Second Challenge1512563

1300TaxesUral Championship 19981552591

2053BiologyUral Championship 2015302603

1829Routing TablesUSU Personal Contest 2011782608

1520Empire Strikes BackTimus Top Coders: Third Challenge1372620

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1032645

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional952651

1395Pascal vs. C++. Version 21452658

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1232664

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1052671

1308Dean's PyramidUral Championship 2004. Round 11502674

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest772688

2084Technical debtUral Championship 2016172735

2051PhysicsUral Championship 2015282740

1704DemodulationUral Championship 2009982748

1312TrayUral Championship 2004. Round 11452760

1239Ghost BustersNEERC 20021412770

1865The Island of MärketUral FU Championship 2011662774

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest662799

1637Triangle Game 2USU Championship 20081012831

2090Crossroads of DestinyUral FU Personal Contest 2014152849

1505Oil TransferNEERC 2006 Eastern Subregional1272852

1798Fire Circle. Version 2242857

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1282860

1566Triangular PostcardsUSU Championship 20071132869

2006Kirill the GardenerUral Regional School Programming Contest 2013412882

1058ChocolateNEERC 2000 Central Subregional4142892

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest932901

1599Winding Number222907

1464LightPetrozavodsk Winter 2006. USU Contest1272917

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection442945

1482Triangle GameUSU Championship 20061232956

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional502982

141140 Islands KnightsUSU Championship 20051352991

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection433000

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest603046

1367Top SecretUral Championship 2005. Round 21323056

2087TrainsUral Championship 2016143076

1438Time Limit ExceededUSU Personal Contest 20061263083

1442Floo PowderUral Championship 20061243103

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest763120

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1183122

1681Brother Bear's GardenUSU Personal Contest 2009863127

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest583128

1429BiscuitsTimus Top Coders: First Challenge1243142

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest853146

1622EndspielPetrozavodsk Winter 2008. ITMO Contest913167

2057Non-palidromic cuttingPalindromic Contest 213188

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest903198

1975Model of the EarthUral Championship 2013383229

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection393245

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest553272

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest613294

2061OEIS A216264Palindromic Contest 203294

1909Space ReconUral Championship 2012443324

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest253352

2079Memory leaksUral Championship 2016123356

1166Funny Card GameNEERC 2001 Northern Subregional1153396

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1173429

1597Chernobyl’ Eagle on a Roof. Version 2263449

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional413508

1199Mouse983550

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest503554

1834Tennis RacketUral Championship 2011533584

2049ChemistryUral Championship 2015193591

1616Square Country 4Ural Championship 2008833594

1509Domino RecognitionNEERC 2006 Eastern Subregional983618

2088Nostalgic EveningUral Championship 2016103628

1778Chinese Hockey 2Ural SU Championship 2010573645

2086Find DenisUral Championship 2016103691

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection333698

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest533712

2077ReductionsQualification of eastern subregional contest 2015123715

1765Error 404Ural Championship 2010603728

1938Caribbean TriangleUral FU Championship 2012373768

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest843770

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest213785

1632LasersUSU Championship 2008733786

1847ZamkadyePetrozavodsk Summer 2010. USU Contest463808

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest933831

1733Forgotten TechnologyUSU Championship 2009623837

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest873897

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest964108

1661DodecahedronPetrozavodsk Winter 2008. USU Contest644151

1967Programmer CasinoUral FU Personal Contest 2013284169

1598DSA Attack194211

1460WiresPetrozavodsk Winter 2006. USU Contest844251

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest604389

1973Location GeneratorUral Championship 2013254428

2094Thousand ImpsUral FU Personal Contest 201464451

1344Gigantic TurnipUSU Championship 2004874464

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest774536

2076VasianaQualification of eastern subregional contest 201584541

1594Aztec Treasure544551

1271Sailing DirectionsUSU Championship 2003834566

1999The secret moduleNEERC 2013 Eastern Subregional224629

1797Summit Online Judge. Version 2294644

1340CucarachaUSU Championship 2004834656

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest154693

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest524820

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest564846

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest714872

2082PokerUral Championship 201654891

1801The Revolution CupNEERC 2010 Eastern Subregional394944

2054AstronomyUral Championship 2015114958

1365Testing CalculatorUral Championship 2005. Round 2774987

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest544998

2016Magic and ScienceNEERC 2014 Eastern Subregional145003

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest775006

1771A Deputy's MorningUral Championship 2010425019

1426RectanglesTimus Top Coders: First Challenge735072

1799Sasha and swag strings85156

1763Expert FleaUral Championship 2010405220

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest725311

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest625481

1372Death StarUral Championship 2005. Round 1685582

1842Local RootsPetrozavodsk Summer 2010. USU Contest285612

1848Fly HuntPetrozavodsk Summer 2010. USU Contest285612

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest305847

1668Death Star 2Petrozavodsk Winter 2008. USU Contest425908

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest265908

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest406144

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest426151

1674Drunk KingPetrozavodsk Summer 2008. USU Contest396227

1363HalftonesUral Championship 2005. Round 2596288

1906The Lost CivilizationUral Championship 2012186410

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional386503

1536Delights of Pipe-weedUSU Personal Contest 2007476607

1653Death ConveyorNEERC 2008 Eastern Subregional366785

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest337438

1840Victim of AdvertisingUral Championship 2011207526

1432Twofold LuckUSU Personal Contest 2006437912

1596Knight Mare157924

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest288029

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection88833

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest308859

1415Mobile LifeUSU Championship 2005389033

1376Dean's Pyramid 2Ural Championship 2005. Round 1389071

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest209962

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3210369

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1910520

1399Economical Director2610646

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2211074

1374MisereUral Championship 2005. Round 12811458

1708Sum of Digits 2Ural Championship 20091511868

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2112193

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2313197

1369Cockroach RaceUral Championship 2005. Round 21914961

1548Sakura and StatisticsUral Championship 20071415464

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1616750

1589SokobanNEERC 2007 Eastern Subregional523374

1394Ships. Version 2627220