ENG  RUSTimus Online Judge
Online Judge
Online contests
About Online Judge
Frequently asked questions
Site news
Problem set
Submit solution
Judge status
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests

Problem set


1000A+B Problem6759218

1001Reverse Root1897718

1785Lost in LocalizationUral Regional School Programming Contest 20101069019

1293EniyaSpring School Contest 20041806022

1409Two GangstersAutumn School Contest 20051732923

1877Bicycle CodesUral Regional School Programming Contest 2011728223

1820Ural SteaksUSU Personal Contest 2011680928

2012About Grisha N.NEERC 2014 Eastern Subregional257028

1787Turn for MEGAUral Regional School Programming Contest 2010673930

1264WorkdaysAutumn School Contest 20031268131

2001Mathematicians and BerriesUral Regional School Programming Contest 2013324831

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011519132

1197Lonesome KnightSpring School Contest 20021159933

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional389834

1639Chocolate 2Autumn School Contest 2008744137

1924Four ImpsUral Regional School Programming Contest 2012354138

1313Some Words about SportUral Championship 2004. Round 1937642


12091, 10, 100, 1000...Autumn School Contest 2002880344

1319HotelUral Championship 2004. Round 2876145

1567SMS-spamUSU Championship 2007709445

1581TeamworkAutumn School Contest 2007689646

1225FlagsNEERC 2002 Central Subregional813947

2023Donald is a postmanNEERC 2014 Eastern Subregional154547

1263ElectionsAutumn School Contest 2003796449

1585PenguinsNEERC 2007 Eastern Subregional630850

1876Centipede's MorningUral Regional School Programming Contest 2011322752

1991The battle near the swampNEERC 2013 Eastern Subregional196952

1100Final StandingsTetrahedron Team Online Contest May 2001704853

1881Long problem statementUral Regional School Programming Contest 2011314553

1327FusesAutumn School Contest 2004735254

1893A380NEERC 2011 Eastern Subregional304855

1110PowerBulgarian Online Contest September 2001655857

1243Divorce of the Seven DwarfsUSU Personal Contest 2003679057

1493One Step from HappinessAutumn School Contest 2006628457

1349FarmSpring School Contest 2005686459

1607TaxiUSU Personal Contest 2008503160

1925British Scientists Save the WorldUral Regional School Programming Contest 2012216861

1496SpammerAutumn School Contest 2006581262

1545HieroglyphsUral Championship 2007545962

1636Penalty TimeUSU Championship 2008439163

1837Isenbaev's NumberUral Championship 2011286264

1196History ExamSpring School Contest 2002584365

1149Sinus Dances573866

2002Test TaskUral Regional School Programming Contest 2013149067

1617Flat SpotsUral Championship 2008438668

1654Cipher MessageNEERC 2008 Eastern Subregional405868

1723Sandro's BookUral Regional School Programming Contest 2009348968

1563BayanUSU Championship 2007459269

2005Taxi for ProgrammersUral Regional School Programming Contest 2013142370

1131CopyingUSU Championship 2001531171

2035Another Dress RehearsalUral Regional School Programming Contest 201499071

1025Democracy in DangerAutumn School Contest 20001609272

1457Heating MainTimus Top Coders: Second Challenge528972

1224SpiralNEERC 2002 Central Subregional527473

1792Hamming CodeUral Regional School Programming Contest 2010273074

1712Cipher GrilleNEERC 2009 Eastern Subregional312776

1935Tears of DrownedUral FU Championship 2012174076

1083Factorials!!!Spring School Contest 20011330277

2011Long StatementUral Regional School Programming Contest 2013129177

1502Domino DotsNEERC 2006 Eastern Subregional441181

1194HandshakesSpring School Contest 2002462582

2031Overturned NumbersUral Regional School Programming Contest 201485982

1139City BlocksNEERC 2001 Central Subregional454083

1638BookwormUSU Championship 2008328584

1106Two TeamsTetrahedron Team Online Contest May 2001441385

1290SabotageSpring School Contest 2004464985

1120Sum of Sequential NumbersAutumn School Contest 2001438486

1404Easy to Hack!Autumn School Contest 2005469386

1902Neo-VeniceUral Championship 2012152388

1180Stone GameUSU Personal Contest 2002422890

1119MetroAutumn School Contest 2001407292

2025Line FightingUral Regional School Programming Contest 201476292

1796Amusement ParkUral Regional School Programming Contest 2010217493

1161StripiesNEERC 2001 Northern Subregional400394

1510OrderNEERC 2006 Eastern Subregional380094

1601AntiCAPSUSU Personal Contest 2008321394

1005Stone PileUSU Championship 19971224495

16421D MazeAutumn School Contest 2008287795

1297PalindromeSpring School Contest 2004412696

1786Sandro's BiographyUral Regional School Programming Contest 2010209796

1009K-based NumbersUSU Championship 19971199597

1644A Whole Lot of WalnutsAutumn School Contest 2008282297

1731DillUral Regional School Programming Contest 2009245597

1146Maximum SumDSAP Vietnam Online Contest November 2001383698

1446Sorting HatUral Championship 2006391798

2033DevicesUral Regional School Programming Contest 201471498

2010Sasha the Young GrandmasterUral Regional School Programming Contest 2013100499

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 20013731100

1370MagicianUral Championship 2005. Round 23976101

1214Strange ProcedureAutumn School Contest 20023749103

1228ArrayNEERC 2002 Central Subregional3686104

1873GOV ChroniclesUral Regional School Programming Contest 20111599104

1136ParliamentNEERC 2001 Central Subregional3607105

1777AnindilyakwaUral SU Championship 20101913106

1020RopeAutumn School Contest 200010750108

1118Nontrivial NumbersAutumn School Contest 20013493108

1203Scientific ConferenceUSU Local Contest. March 20023532108

1014Product of DigitsUSU Local Contest. 199910651109

1296HyperjumpSpring School Contest 20043579110

1330IntervalsAutumn School Contest 20043613110

1573AlchemyAutumn School Contest 20072885110

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional641111

1082Gaby IvanushkaSpring School Contest 20019025113

1192Ball in a DreamSpring School Contest 20023309115

1079MaximumWinter Mathematical Festival Varna 20018914116

1582BookmakersNEERC 2007 Eastern Subregional2706116

1044Lucky Tickets. Easy!USU Championship 20009776117

1226esreveR redrONEERC 2002 Central Subregional3281117

1126Magnetic StormsUSU Championship 20013195118

2000Grand Theft Array VUral Regional School Programming Contest 2013847118

1711Code NamesNEERC 2009 Eastern Subregional2004119

1219Symbolic SequenceUSU Championship 20023181121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023113122

1086CryptographySpring School Contest 20018224124

1123SalaryAutumn School Contest 20013004125

1353Milliard Vasya's FunctionSpring School Contest 20053191126

1868Prediction ContestUral FU Championship 20111319127

1683FridgeUSU Personal Contest 20092017129

1688Team.GOV!USU Personal Contest 20092026129

1283DwarfUSU Personal Contest 20043015131

1336Problem of Ben BetsalelAutumn School Contest 20043047131

1725Sold Out!Ural Regional School Programming Contest 20091811131

1260Nudnik PhotographerAutumn School Contest 20032966132

2018The Debut AlbumNEERC 2014 Eastern Subregional531134

1022Genealogical TreeAutumn School Contest 20008565135

1931Excellent TeamUral FU Championship 2012975135

1964Chinese DialectsUral FU Personal Contest 2013826135

1982Electrification PlanOpen Ural FU Championship 2013748135

1352Mersenne PrimesSpring School Contest 20052921137

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101466137

1984Dummy GuyOpen Ural FU Championship 2013731138

2056ScholarshipUral Championship 2015394138

1021Sacrament of the SumAutumn School Contest 20008345139

1740Deer is Better!USU Championship 20091671141

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional712141

1222Chernobyl’ EaglesUSU Championship 20022698143

1402CocktailsAutumn School Contest 20052824143

1612Tram ForumUral Championship 20082079143

1026Questions and AnswersAutumn School Contest 20008063144

1142RelationsDSAP Vietnam Online Contest November 20012607145

1821BiathlonUSU Personal Contest 20111289145

1864Get-Together at Den'sUral FU Championship 20111152145

1576Telephone TariffsAutumn School Contest 20072153147

1084Goat in the GardenSpring School Contest 20016831149

1178Akbardin’s RoadsUSU Personal Contest 20022535149

1306Sequence MedianUral Championship 19982557154

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional858155

1572Yekaterinozavodsk Great WellAutumn School Contest 20072025156

1756One and a Half DiggersUSU Personal Contest 20101424156

1210Kind SpiritsAutumn School Contest 20022450157

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional452157

1878Rubinchik's CubeUral Regional School Programming Contest 20111050158

1709Penguin-AviaUral Championship 20091605160

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional827161

1073Square CountryUSU Personal Contest 20016425162

1167Bicolored HorsesRomanian Online Contest December 20012311163

1135RecruitsNEERC 2001 Central Subregional2292164

1295Crazy NotionsSpring School Contest 20042408164

1157Young TilerUral Championship 2001. Round 22283165

1944Record of the Attack at the OrbitUral FU Personal Contest 2012764165

1017StaircasesUSU Local Contest. 19997002166

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101211166

1506Columns of NumbersNEERC 2006 Eastern Subregional2132167

1874Football GoalUral Regional School Programming Contest 2011994167

1280Topological SortingNEERC 2003 Central Subregional2325169

1012K-based Numbers. Version 26748172

1213Cockroaches!Autumn School Contest 20022237172

1613For Fans of StatisticsUral Championship 20081719172

1769Old Ural LegendUral Championship 20101272172

1800Murphy's LawNEERC 2010 Eastern Subregional1157172

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091370173

1272Non-Yekaterinburg SubwayUSU Championship 20032243175

1354Palindrome. Again PalindromeSpring School Contest 20052290175

1789Searching for the DodecahedronUral Regional School Programming Contest 20101139176

1930Ivan's CarUral Regional School Programming Contest 2012749176

1640Circle of WinterAutumn School Contest 20081544177

1869New Year CruiseUral FU Championship 2011938177

1685OrthographyUSU Personal Contest 20091462178

1193Queue at the ExamSpring School Contest 20022112179

1413Mars JumperUSU Championship 20052242179

1586Threeprime NumbersNEERC 2007 Eastern Subregional1747180

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional390181

1048Superlong SumsUSU Local Contest. March 20006200182

1335White ThesisAutumn School Contest 20042194182

1846GCD 2010Petrozavodsk Summer 2010. USU Contest921183

1102Strange DialogTetrahedron Team Online Contest May 20012020184

1134CardsNEERC 2001 Central Subregional2047184

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1444184

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1473185

1208Legendary Teams ContestUSU Local Contest. March 20022030187

1114BoxesBulgarian Online Contest September 20011975190

1164FillwordNEERC 2001 Northern Subregional1985190

1885Passenger ComfortNEERC 2011 Eastern Subregional864191

1645Ski RaceAutumn School Contest 20081422192

1207Median on the PlaneUSU Local Contest. March 20021957194

1133Fibonacci SequenceNEERC 2001 Central Subregional1930195

1138Integer PercentageNEERC 2001 Central Subregional1907197

1023ButtonsAutumn School Contest 20005811199

1680The First NonqualifyingUSU Personal Contest 20091309199

1112CoverBulgarian Online Contest September 20011878200

1423String TaleTimus Top Coders: First Challenge1916202

2024Adventure TimeUral Regional School Programming Contest 2014341203

1152False MirrorsUral Championship 2001. Round 21795210

1987Nested SegmentsOpen Ural FU Championship 2013479210

1348Goat in the Garden 2Spring School Contest 20051895211

1002Phone NumbersCentral European Olympiad in Informatics 19995484212

1249Ancient NecropolisUSU Local Contest. March 20031823212

1200Horns and HoofsUSU Local Contest. March 20021754216

1515CashmasterTimus Top Coders: Third Challenge1600219

1491Unreal StoryAutumn School Contest 20061623220

1737Mnemonics and Palindromes 3USU Championship 20091066220

1052Rabbit HuntUSU Local Contest. March 20005120221

1011ConductorsUSU Championship 19975228222

1490Fire CircleAutumn School Contest 20061601223

1125HopscotchUSU Championship 20011675224

1795Husband in a ShopUral Regional School Programming Contest 2010890225

1922Superhero TeamUral Regional School Programming Contest 2012586225

1889Airport AnnouncementsNEERC 2011 Eastern Subregional729226

1033LabyrinthUral Championship 19995072228

1494MonobilliardsAutumn School Contest 20061564228

1183Brackets SequenceNEERC 20011651229

2003Simple MagicUral Regional School Programming Contest 2013424232

1635Mnemonics and PalindromesUSU Championship 20081179233

1024PermutationsAutumn School Contest 20004955234

1049Brave BalloonistsUSU Local Contest. March 20004823234

1242WerewolfUSU Personal Contest 20031651234

1333Genie Bomber 2Autumn School Contest 20041703234

1998The old PadawanNEERC 2013 Eastern Subregional426234

1150Page NumbersUral Championship 2001. Round 21574239

1122GameAutumn School Contest 20011566240

1355Bald Spot RevisitedSpring School Contest 20051666240

1205By the Underground or by Foot?USU Local Contest. March 20021570241

1826MinefieldUSU Personal Contest 2011765242

1108HeritageBulgarian Online Contest September 20011541243

1191Catch the thief!Spring School Contest 20021559243

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1652244

1204IdempotentsUSU Local Contest. March 20021540246

2021Scarily interesting!NEERC 2014 Eastern Subregional285246

1113JeepBulgarian Online Contest September 20011514247

1981Parallel and PerpendicularOpen Ural FU Championship 2013405247

1247Check a SequenceUSU Personal Contest 20031554248

1718RejudgeNEERC 2009 Eastern Subregional943251

1303Minimal CoverageUral Championship 19981558253

1603EruditeUSU Personal Contest 20081180253

1010Discrete FunctionUSTU PhysTech Cup 20004569254

1298KnightSpring School Contest 20041549254

1779The Great TeamUral SU Championship 2010791254

1109ConferenceBulgarian Online Contest September 20011470255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014015256

1433DiamondsUSU Personal Contest 20061507256

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1330257

1080Map ColoringWinter Mathematical Festival Varna 20013958260

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012502261

1195Ouths and CrossesSpring School Contest 20021437263

2034CaravansUral Regional School Programming Contest 2014261263

1823Ideal GasUSU Personal Contest 2011701264

1087The Time to Take StonesSpring School Contest 20013799268

1028StarsUral Championship 19994293269

1726VisitsUral Regional School Programming Contest 2009878269

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031431270

1220StacksUSU Championship 20021408272

1933Guns for Battle!Ural FU Championship 2012478272

1047Simple CalculationsUSU Local Contest. March 20004137273

1590Bacon’s CipherNEERC 2007 Eastern Subregional1146273

1117HierarchyAutumn School Contest 20011352277

1211Collective GuaranteeAutumn School Contest 20021384277

1179Numbers in TextUSU Personal Contest 20021353279

1658Sum of DigitsNEERC 2008 Eastern Subregional974279

1989SubpalindromesOpen Ural FU Championship 2013357280

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest802282

1684Jack's Last WordUSU Personal Contest 2009914284

1537EntsUSU Personal Contest 20071192285

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014240285

1244GentlemenUSU Personal Contest 20031351286

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1247288

1032Find a MultipleUral Championship 19993488289

1053PinocchioNEERC 2000 Central Subregional3886290

1741Communication FiendUSU Championship 2009805291

1018Binary Apple TreeUSU Local Contest. 19993950293

1497Cutting a SquareAutumn School Contest 20061215293

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest770293

1501Sense of BeautyNEERC 2006 Eastern Subregional1209294

1934Black SpotUral FU Championship 2012441294

1184Cable MasterNEERC 20011278296

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional671296

1941Scary Martian WordUral FU Personal Contest 2012420297

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1202299

1551Sumo TournamentUral Championship 20071116299

1377Lara CroftUral Championship 2005. Round 11339300

1904The Lessons of the PastUral Championship 2012437302

1753BookshelfUSU Personal Contest 2010727304

1036Lucky Tickets3753307

1793Tray 2Ural Regional School Programming Contest 2010649307

1127Colored BricksUSU Championship 20011211309

1215Exactness of Projectile HitAutumn School Contest 20021239309

1116Piecewise Constant FunctionAutumn School Contest 20011202311

1124MosaicUSU Championship 20011199313

2026Dean and ScheduleUral Regional School Programming Contest 2014216315

1227Rally ChampionshipNEERC 2002 Central Subregional1210316

1137Bus RoutesNEERC 2001 Central Subregional1184317

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional311318

1190Bar of ChocolateSpring School Contest 20021185319

1294Mars SatellitesSpring School Contest 20041234319

1008Image EncodingUSTU PhysTech Cup 20003624320

1153SupercomputerUral Championship 2001. Round 21172320

1121BranchesAutumn School Contest 20011166321

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest789327

1302Delta-waveUral Championship 19981195329

1320Graph DecompositionUral Championship 2004. Round 21196329

1029MinistryUral Championship 19993038331

1588JamaicaNEERC 2007 Eastern Subregional938333

1648YachtsAutumn School Contest 2008812335

2046The First Day at SchoolUral Championship 2015156335

1604Country of FoolsUSU Personal Contest 2008885337

1992CVSNEERC 2013 Eastern Subregional293337

1060Flip GameNEERC 20003164338

1218Episode N-th: The Jedi TournamentUSU Championship 20021127339

1450Russian PipelinesTimus Top Coders: Second Challenge1112339

1185WallNEERC 20011110340

1201Which Day Is It?USU Local Contest. March 20021108341

1995Illegal spicesNEERC 2013 Eastern Subregional288342

1160NetworkNEERC 2001 Northern Subregional1115344

1406Next NumberAutumn School Contest 20051162345

1521War Games 2Timus Top Coders: Third Challenge1009345

1031Railway TicketsUral Championship 19993317348

1156Two RoundsUral Championship 2001. Round 21074349

1223Chernobyl’ Eagle on a RoofUSU Championship 20021097349

1901Space ElevatorsUral Championship 2012375351

1140Swamp IncidentNEERC 2001 Central Subregional1065352

1651Shortest SubchainNEERC 2008 Eastern Subregional772352

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014192353

1090In the Army NowUSU Local Contest. March 20012737354

2030Awesome Backup SystemUral Regional School Programming Contest 2014191355

1517Freedom of ChoiceTimus Top Coders: Third Challenge978356

1262Pseudo-Roman NumberAutumn School Contest 20031092357

1483Table FootballUSU Championship 20061000357

1828Approximation by a ProgressionUSU Personal Contest 2011516357

1013K-based Numbers. Version 3201359

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional192359

1261TipsAutumn School Contest 20031082360

1007Code WordsUSU Championship 19973213361

1783Nuclear Arms RaceUral SU Championship 2010552362

1282Game TreeNEERC 2003 Central Subregional1076363

1923Scary PoliticsUral Regional School Programming Contest 2012358364

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest456365

1292Mars Space StationsSpring School Contest 20041074366

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional446366

2047MathsUral Championship 2015142366

1055CombinationsNEERC 2000 Central Subregional3070367

1759Long-LiversUSU Personal Contest 2010596369

1963KiteUral FU Personal Contest 2013296369

1574Mathematicians and bracketsAutumn School Contest 2007846370

1246Tethered DogUSU Personal Contest 20031038371

1346Intervals of MonotonicityUSU Championship 20041071372

1431DiplomasUSU Personal Contest 20061029373

1403CourierAutumn School Contest 20051073374

1078SegmentsWinter Mathematical Festival Varna 20012712379

1631Drunk King 2USU Championship 2008720380

1229Strong BrickworkNEERC 2002 Central Subregional1004381

1039Anniversary PartyUSU Championship 20002980383

1176HyperchannelsUSU Personal Contest 2002982384

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest887384

1259How to Become Star?Autumn School Contest 20031009386

1495One-two, One-two 2Autumn School Contest 2006921386

1003ParityCentral European Olympiad in Informatics 19992995388

1115ShipsBulgarian Online Contest September 2001961388

1774Barber of the Army of MagesUral SU Championship 2010514388

1562GM-pineappleUSU Championship 2007807389

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest575391

1489Points on a ParallelepipedAutumn School Contest 2006904393

1015Test the Difference!USU Local Contest. 19992934394

1860FiborialPetrozavodsk Summer 2011. USU Contest422394

1111SquaresBulgarian Online Contest September 2001943396

1279WarehouseNEERC 2003 Central Subregional982397

1356Something EasierSpring School Contest 20051001398

1407One-two, One-twoAutumn School Contest 20051008398

1427SMSTimus Top Coders: First Challenge970398

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest668398

1094E-screenUSU Local Contest. March 20012407402

1289One Way TicketUSU Personal Contest 2004972403

1942Attack at the OrbitUral FU Personal Contest 2012307403

1217Unlucky TicketsUSU Championship 2002946404

1107Warehouse ProblemTetrahedron Team Online Contest May 2001908408

1141RSA Attack917408

1077Travelling Tours914409

1732Ministry of TruthUSU Championship 2009568410

1287Mars CanalsUSU Personal Contest 2004952412

1350CanteenSpring School Contest 2005966413

1038Spell CheckerUSU Championship 20002752415

1128Partition into GroupsUSU Championship 2001900415

1571InterpretersUSU Championship 2007755415

1507Difficult DecisionNEERC 2006 Eastern Subregional849417

1480CouponsUSU Championship 2006844422

1602ElevatorUSU Personal Contest 2008702423

1089Verification with a VocabularySpring School Contest 20012402424

1291Gear-wheelsSpring School Contest 2004924424

1252Sorting the TombstonesUSU Local Contest. March 2003905425

1513Lemon TaleTimus Top Coders: Third Challenge815427

1519Formula 1Timus Top Coders: Third Challenge808430

1700AwakeningUral Championship 2009591430

1202Rectangles TravelUSU Local Contest. March 2002874431

1641DutiesAutumn School Contest 2008630431

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional302431

1019Line PaintingUSU Local Contest. 19992676432

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001863433

1181Cutting a Painted PolygonUSU Personal Contest 2002868433

1416ConfidentialUSU Championship 2005914436

1776Anniversary FireworkUral SU Championship 2010456436

1221Malevich Strikes Back!USU Championship 2002873437

1890Money out of Thin AirNEERC 2011 Eastern Subregional369440

1971Graphics SettingsUral Championship 2013236444

1258PoolAutumn School Contest 2003873445

1643Attack of the Dark FortressAutumn School Contest 2008609445

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional441446

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014150446

1051Simple Game on a GridUSU Local Contest. March 20002495452

1129Door PaintingUSU Championship 2001819456

1728Curse on Team.GOVUral Regional School Programming Contest 2009511458

1410CrackUSU Championship 2005867460

1072RoutingUSU Personal Contest 20012239463

1189Pairs of IntegersNEERC 2001802469

1343Fairy TaleUSU Championship 2004843472

1155TroubleduonsUral Championship 2001. Round 2790474

1535The Hobbit or There and Back AgainUSU Personal Contest 2007713474

1091Tmutarakan ExamsUSU Local Contest. March 20012035475

1162Currency ExchangeNEERC 2001 Northern Subregional782478

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014139478

1525PathPetrozavodsk Winter 2007. D.Gozman Contest707480

1980Road to InvestorUral Championship 2013217481

1428Jedi RiddleTimus Top Coders: First Challenge796483

1884Way to the UniversityUral Regional School Programming Contest 2011337483

1236Decoding TaskNEERC 2002790484

2004Scientists from SpilkovoUral Regional School Programming Contest 2013198485

1103Pencils and CirclesTetrahedron Team Online Contest May 2001760486

1401GamersAutumn School Contest 2005819488

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional480488

1900Brainwashing DeviceUral Championship 2012267488

1329Galactic HistoryAutumn School Contest 2004807490

1628White StreaksUSU Championship 2008556490

1095Nikifor 3USU Local Contest. March 20011965492

1871Seismic WavesUral FU Championship 2011332492

1891Language OceanNEERC 2011 Eastern Subregional329492


1430Crime and PunishmentTimus Top Coders: First Challenge775496

2009Canteen LineUral Regional School Programming Contest 2013193497

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest130497

1273TieUSU Championship 2003780498

1579Coat TransportationAutumn School Contest 2007626499

1326Bottle TapsUral Championship 2004. Round 2781502

1212BattleshipAutumn School Contest 2002756503

1066GarlandNEERC 20002116504

1316Electronic AuctionUral Championship 2004. Round 1775505

1870Zinium 2Ural FU Championship 2011322506

2048HistoryUral Championship 2015100506

1322SpyUral Championship 2004. Round 2773507

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional132510

1056Computer NetNEERC 2000 Central Subregional2204511

1729Dead Man's ChestUral Regional School Programming Contest 2009457511

1754Explosion in a PyramidUSU Personal Contest 2010427512

1158Censored!NEERC 2001 Northern Subregional729513

1182Team Them Up!NEERC 2001730515

1238FoldingNEERC 2002740516

1928Another Ecology ProblemUral Regional School Programming Contest 2012248519

1577E-mailAutumn School Contest 2007595524

1334CheckersAutumn School Contest 2004750527

1045Funny GameUSU Local Contest. March 20002135528

1069Prufer CodeUSU Personal Contest 20011964528

1366PresentsUral Championship 2005. Round 2749531

1600AirportUSU Personal Contest 2008555534

1439Battle with You-Know-WhoUral Championship 2006708535

1803The Czechs' RiflesNEERC 2010 Eastern Subregional364538

1838Samurai's StrokeUral Championship 2011332538

1966Cycling RoadsUral FU Personal Contest 2013200538

1101Robot in the FieldTetrahedron Team Online Contest May 2001684540

1990PodracingNEERC 2013 Eastern Subregional179540

1143Electric PathDSAP Vietnam Online Contest November 2001689541

1314Chase in SubwayUral Championship 2004. Round 1721543

1400Cellular CharactersAutumn School Contest 2005731546

1027D++ AgainAutumn School Contest 20002097550

1806Mobile TelegraphsNEERC 2010 Eastern Subregional355551


1362Classmates 2Ural Championship 2005. Round 2719553

1414Astronomical DatabaseUSU Championship 2005719553

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup195554

1962In Chinese RestaurantUral FU Personal Contest 2013193556

1064Binary SearchNEERC 20001899562

1004Sightseeing TripCentral European Olympiad in Informatics 19992060563

1605Devil's SequenceUSU Personal Contest 2008525563

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest556564

1713Key SubstringsNEERC 2009 Eastern Subregional414564

1760Infernal WorkUSU Personal Contest 2010387564

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005702566

1710Boris, You Are Wrong!Ural Championship 2009447566

1085MeetingSpring School Contest 20011795567

1939First SealUral FU Championship 2012224567

1061Buffer ManagerNEERC 20001869571

1421Credit OperationsTimus Top Coders: First Challenge670573

1437Gasoline StationUSU Personal Contest 2006667573

1071Nikifor 2USU Personal Contest 20011805574

1650BillionairesNEERC 2008 Eastern Subregional469574

1550Dean's Pyramid 3Ural Championship 2007576575

1767The House of Doctor DeeUral Championship 2010374575

1059ExpressionNEERC 2000 Central Subregional1954576

1698Square Country 5Petrozavodsk Winter 2009. USU Contest443576

1822Hugo II's WarUSU Personal Contest 2011316576

1448Lighting in HogwartsUral Championship 2006653580

1866Poetic FootUral FU Championship 2011280580

1701Ostap and PartnersUral Championship 2009435581

1892Morning in KoltsovoNEERC 2011 Eastern Subregional277581

1172Ship RoutesRomanian Online Contest December 2001640583

1994The Emperor's planNEERC 2013 Eastern Subregional165583

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest109584

1534Football in GondorUSU Personal Contest 2007574587

1903Unidentified ShipsUral Championship 2012220587

1070Local TimeUSU Personal Contest 20011753591

1445Christmas giftsUral Championship 2006639592

1375Bill CleversUral Championship 2005. Round 1673593

1592Chinese WatchesNEERC 2007 Eastern Subregional522593

1682Crazy ProfessorUSU Personal Contest 2009432594

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest524598

1659Regular TrianglesNEERC 2008 Eastern Subregional450598

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional215598

1706Cipher Message 2Ural Championship 2009418604

1067Disk TreeNEERC 20001758606

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest456607

1358CablesSpring School Contest 2005652608

1690Army of MagesPetrozavodsk Winter 2009. USU Contest418610

1054Hanoi TowerNEERC 2000 Central Subregional1840611

1325DirtUral Championship 2004. Round 2637613

1943Space RummyUral FU Personal Contest 2012198614

1465Pawn GamePetrozavodsk Winter 2006. USU Contest585617

1940Not So Simple YearsUral FU Championship 2012202625

1309DisputeUral Championship 2004. Round 1622628


1932The Secret of IdentifierUral FU Championship 2012199634

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest258635

1174Weird PermutationsRomanian Online Contest December 2001581641

2008SwiftyUral Regional School Programming Contest 2013147642

1961Cantonese DialectUral FU Personal Contest 2013165645

1096Get the Right Route Plate!USU Local Contest. March 20011493647

1234BricksNEERC 2002588647

1248Sequence SumUSU Personal Contest 2003590648

1254Die HardUSU Local Contest. March 2003589649

1088Ilya MurometzSpring School Contest 20011555653

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional196653

1542AutocompletionUral Championship 2007505655

1253NecrologuesUSU Local Contest. March 2003580659

1452Pascal vs. C++Timus Top Coders: Second Challenge568659

1606SlalomUSU Personal Contest 2008447660

1755CakeUSU Personal Contest 2010327664

1186Chemical ReactionsNEERC 2001562665

1872Spacious OfficeUral FU Championship 2011243665

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012191666

1443RailsUral Championship 2006565668

1564Counting OnesUSU Championship 2007466668

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009345672

1500Pass LicensesNEERC 2006 Eastern Subregional521674

1332Genie BomberAutumn School Contest 2004583675

1773Metro to Every HomeUral Championship 2010316678

1633HippogriffsUSU Championship 2008397681

1832Arirang ShowUral Championship 2011260681

1371Cargo AgencyUral Championship 2005. Round 1583683

1780Gray CodeUral SU Championship 2010284691

1986Paul’s SaladsOpen Ural FU Championship 2013138693

1168Radio StationsRomanian Online Contest December 2001535695

1274Fractional ArithmeticNEERC 2003 Central Subregional556696

1830Help in the RNOSUral Championship 2011254696

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup153696

1974Similar TunesUral Championship 2013147696

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest508699

1440Training ScheduleUral Championship 2006537702

1875Angry BirdsUral Regional School Programming Contest 2011228704

1629TripUSU Championship 2008383705

1286Starship TravelUSU Personal Contest 2004549708

1486Equal SquaresUSU Championship 2006499708

1996Cipher Message 3NEERC 2013 Eastern Subregional134708

1230Introspective ProgramNEERC 2002 Central Subregional534710

1301Cube in LabyrinthUral Championship 1998546713

1775Space BowlingUral SU Championship 2010275713

1034Queens in Peaceful PositionsUral Championship 19991603717

1305Convex HullUral Championship 1998543717

1772Ski-Trails for RobotsUral Championship 2010298717

2017Best of a bad lotNEERC 2014 Eastern Subregional91717

1988Planet Ocean LandingOpen Ural FU Championship 2013133718

1057Amount of DegreesNEERC 2000 Central Subregional1563719

1132Square Root512724

1611DecimationUral Championship 2008401726

1037Memory ManagementUSU Championship 20001557731

1614National Project “Trams”Ural Championship 2008395736

2060Subpalindrome pairsPalindromic Contest 58736

1405Goat in the Garden 5Autumn School Contest 2005539737

1016Cube on the WalkUSU Local Contest. 19991560739

1159FenceNEERC 2001 Northern Subregional502740

1434Buses in VasyukiUSU Personal Contest 2006514740

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional262740

1169PairsRomanian Online Contest December 2001501742

1235Cricket FieldNEERC 2002510744

1250Sea BurialUSU Local Contest. March 2003513744

1484Film RatingUSU Championship 2006470751

1825Ifrit Bomber 2USU Personal Contest 2011240751

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest475757

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest411759

1646Godzilla Strikes Back!Autumn School Contest 2008352761

1936RoshamboUral FU Championship 2012164762

1424MinibusTimus Top Coders: First Challenge497769

1587Flying PigNEERC 2007 Eastern Subregional400769

1512ZiniumTimus Top Coders: Third Challenge446772

1738Computer SecurityUSU Championship 2009295777

1716Alternative SolutionNEERC 2009 Eastern Subregional297779

1392Dreaming of Stars508782

2052Physical EducationUral Championship 201561784

1042Central HeatingUSU Championship 20001450785

1593Square Country. Version 2325791

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest501792

1720Summit Online JudgeNEERC 2009 Eastern Subregional292792

1927Herbs and MagicUral Regional School Programming Contest 2012159792

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest446794

1105Observers ColoringTetrahedron Team Online Contest May 2001457802

1705Gangster HaresUral Championship 2009312803

1689Fisherman and BarbellUSU Personal Contest 2009316805

1030TitanicUral Championship 19991422808

1276TrainNEERC 2003 Central Subregional476810

1456Jedi Riddle 2Timus Top Coders: Second Challenge458814

1547Password SearchUral Championship 2007403816

1647Divide an Island!Autumn School Contest 2008327818

1165SubnumberNEERC 2001 Northern Subregional452820

1715Another Ball KillerNEERC 2009 Eastern Subregional282820

1268Little ChuUSU Championship 2003469821

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest224822

1905Travel in TimeUral Championship 2012154824

1379Cups TransportationUral Championship 2005. Round 1477831

1269Obscene Words FilterUSU Championship 2003463832

1323ClassmatesUral Championship 2004. Round 2460844

1147Shaping RegionsDSAP Vietnam Online Contest November 2001434852

1630TalismanUSU Championship 2008315853

1948The Robot on the LineUral FU Personal Contest 2012139856

1824Ifrit BomberUSU Personal Contest 2011209858

1436BillboardUSU Personal Contest 2006441860

1006Square FramesUSU Championship 19971339863

1921Chaos and OrderUral Regional School Programming Contest 2012145863

1608Lucky Tickets 2008Ural Championship 2008335864

1154Mages ContestUral Championship 2001. Round 2428865

1979Resources DistributionUral Championship 2013116867

1498Stroke at Full SpeedAutumn School Contest 2006403870

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest253870

1277Cops and ThievesNEERC 2003 Central Subregional439877

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest381881

1970皇后像廣場Ural FU Personal Contest 2013118882

1342EnterpriseUSU Championship 2004445884

1883Ent's BirthdayUral Regional School Programming Contest 2011179886

1233Amusing NumbersNEERC 2002426887

1761Binary PalindromeUSU Personal Contest 2010242888

1836Babel FishUral Championship 2011197888

1863Peaceful AtomUral FU Championship 2011179890

1578Mammoth HuntAutumn School Contest 2007346891

1324Extra SpacesUral Championship 2004. Round 2435892

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest68892

1373Pictura ex MachinaUral Championship 2005. Round 1441898

1949The Best Picture in the GalaxyUral FU Personal Contest 2012132899

1983Nectar GatheringOpen Ural FU Championship 2013103908

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest394909

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest301910

1976Game OptimizationUral Championship 2013110910

1245PicturesUSU Personal Contest 2003415914

1784RoundersUral SU Championship 2010212916

1364LaraKillerUral Championship 2005. Round 2429918

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest239919

1580Dean's DebtsAutumn School Contest 2007334922

1237Evacuation PlanNEERC 2002410923

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest272925

1575Yekaterinburg Subway 2Autumn School Contest 2007329935

1730ManBearPigUral Regional School Programming Contest 2009245936

1422FirefliesTimus Top Coders: First Challenge406937

1887Frequent Flyer CardNEERC 2011 Eastern Subregional168937

1278“… Connecting People”NEERC 2003 Central Subregional410938

1285Thread in a HyperspaceUSU Personal Contest 2004408947

1937Davy Jones’s OrganUral FU Championship 2012129954

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest166966

1398Bishop and Pawn352967

1827Indigenous WarsUSU Personal Contest 2011184968

1175Strange SequenceUSU Personal Contest 2002379978

1040Airline CompanyUSU Championship 20001160979

1879GOV-internship 2Ural Regional School Programming Contest 2011161980

1435Financial ErrorUSU Personal Contest 2006385982

1451Beerhouse TaleTimus Top Coders: Second Challenge378982

1418Military StoryUSU Championship 2005399985

1569Networking the “Iset”USU Championship 2007312987

1151RadiobeaconsUral Championship 2001. Round 2373989

1591Abstract ThinkingNEERC 2007 Eastern Subregional307995

1339BabiesUSU Championship 2004394996

1130Nikifor's WalkUSU Championship 2001369997

1791Uncle Styopa and BusesUral Regional School Programming Contest 2010193998

1768Circular StringsUral Championship 20102101004

1331VladislavaAutumn School Contest 20043881006

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3071008

1907Coffee and BunsUral Championship 20121241008

1862Very Wealthy MoleUral FU Championship 20111561013

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3511017

1965Pear TreesUral FU Personal Contest 20131011017

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2511025

1722Observation DeckUral Regional School Programming Contest 20092221028

1311Stable ConstructionUral Championship 2004. Round 13721039

1570Eating HighUSU Championship 20072961039

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1191042

1518Jedi Riddle 3Timus Top Coders: Third Challenge3271044

1539Intelligence DataUSU Personal Contest 20073171048

1075Thread in a SpaceUSU Personal Contest 20019811052

1790Searching for the TruthUral Regional School Programming Contest 20101821055

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2051064

1985Prime SquareOpen Ural FU Championship 2013861069

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest551070

1687Numismatics for FunUSU Personal Contest 20092341075

1173Lazy SnailRomanian Online Contest December 20013421077

1968Glass PyramidUral FU Personal Contest 2013921107

2007Mutants versus MachinesUral Regional School Programming Contest 2013811108

1317HailUral Championship 2004. Round 23471112

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1621119

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1931127

1511Fiscal OperationsTimus Top Coders: Third Challenge3021128

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2271138

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1401138

1341DeviceUSU Championship 20043431140

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1581145

1444ElephpotamusUral Championship 20063251147

1447Portkey NetworkUral Championship 20063251147

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3411154

1357Teakettle 1.0 for DummiesSpring School Contest 20053381157

1540Battle for the RingUSU Personal Contest 20072861158

1544Classmates 3Ural Championship 20072811158

1627JoinPetrozavodsk Winter 2008. ITMO Contest2331165

1766Humpty DumptyUral Championship 20101791169

1408Polynomial MultiplicationAutumn School Contest 20053341177

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1341181

1458War GamesTimus Top Coders: Second Challenge3121183

1807Cartridges for MaximNEERC 2010 Eastern Subregional1601184

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2081197

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest2921198

1946Chinese Hockey 3Ural FU Personal Contest 2012961204

1453QueenTimus Top Coders: Second Challenge3061205

1595Perfect Sequence1991208

1947MeanderUral FU Personal Contest 2012951215

1307ArchiverUral Championship 2004. Round 13161217

1736Chinese HockeyUSU Championship 20091841222

1359ConstructionSpring School Contest 20053171231

1669Universal WordPetrozavodsk Winter 2008. USU Contest2091232

1035Cross-stitchUral Championship 19999261233

1310ACM DiagnosticsUral Championship 2004. Round 13111236

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2451237

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2481238

1686Photovoltaic SpaceshipUSU Personal Contest 20092021238

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup811247

1546Japanese SortingUral Championship 20072601249

1487Chinese FootballUSU Championship 20062781251

1533Fat HobbitsUSU Personal Contest 20072621260

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1801260

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2811261

1657Cube SnakeNEERC 2008 Eastern Subregional2081261

20503D-modelingUral Championship 2015341265

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2601275

1321Floor IndicatorUral Championship 2004. Round 23001280

1538Towers of GuardUSU Personal Contest 20072571284

1177Like ComparisonsUSU Personal Contest 20022811307

1099Work Scheduling6611312

1393Average Common Prefix2941315

1050Preparing an ArticleUSU Local Contest. March 20008501317

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional921318

1328FireballAutumn School Contest 20042931321

2055Urban GeographyUral Championship 2015321325

1097Square Country 2USU Local Contest. March 20017221328

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1411333

1171Lost in SpaceRomanian Online Contest December 20012741335

1360Philosophical DisputeUral Championship 2005. Round 22921335

1065FrontierNEERC 20007921336

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2001348

1281River BasinNEERC 2003 Central Subregional2801358

1499KerchiefsAutumn School Contest 20062541362

1240Heroes of Might and MagicNEERC 20022721372

1950Martian FarmlandsUral FU Personal Contest 2012831372

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2391383

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2481403

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1531403

1318LogarithmUral Championship 2004. Round 22711412

1266Kirchhoff's LawUSU Championship 20032661426

1762Search for a Hiding-PlaceUSU Personal Contest 20101471426

1419Maps of the Island WorldsUSU Championship 20052721429

1299PsyloniansSpring School Contest 20042671430

1265MirrorUSU Championship 20032631441

1345HTMLUSU Championship 20042691442

1449Credit Operations 2Timus Top Coders: Second Challenge2531448

1802Cube PuzzleNEERC 2010 Eastern Subregional1291448

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest381449

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2271453

1347BlogSpring School Contest 20052661459

1770The Party of Ural ChampionsUral Championship 20101411463

1170DesertRomanian Online Contest December 20012471475

1412Autumn TideUSU Championship 20052631476

1441From the History of Gringotts BankUral Championship 20062501478

1886Trip 2NEERC 2011 Eastern Subregional1021490

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup661493

1043Cover an ArcUSU Championship 20007541500

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1171515

1251Cemetery ManagerUSU Local Contest. March 20032451525

1764TranssibUral Championship 20101341535

1241Inlay CuttersNEERC 20022401549

1908Brute-force SearchUral Championship 2012771552

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup631555

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2211567

1565The Duel for ThreeUSU Championship 20071921573

1568Train Car SortingUSU Championship 20071921573

1782Jack's New WordUral SU Championship 20101191576

1894Non-Flying WeatherNEERC 2011 Eastern Subregional951589

1337BureaucracyAutumn School Contest 20042411594

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2441594

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1571602

1485Football and LieUSU Championship 20062131616

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1311622

1488ACM PokerUSU Championship 20062121623

1670AsteriskPetrozavodsk Summer 2008. USU Contest1541631

1707Hypnotoad's SecretUral Championship 20091481637

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2371639

1583CheeseNEERC 2007 Eastern Subregional1791669

1734Endgame DatabaseUSU Championship 20091321670

2022Riding a ToadNEERC 2014 Eastern Subregional331685

1831Tsyfirkin's LessonUral Championship 2011991687

1062TriathlonNEERC 20006241690

1516NostalgiaTimus Top Coders: Third Challenge1981692

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest901701

1420Integer-Valued Complex DivisionUSU Championship 20052241722

1610CactusesUral Championship 20081631724

1257HyphenationAutumn School Contest 20032181725

2059Not common palindromesPalindromic Contest 191725

1508Japanese PuzzleNEERC 2006 Eastern Subregional1971728

1046Geometrical DreamsUSU Local Contest. March 20006441732

1338AutomobilesUSU Championship 20042191757

1702CrossroadUral Championship 20091371760

1969Hong Kong TramUral FU Personal Contest 2013541764

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1981765

1841CablewaysPetrozavodsk Summer 2010. USU Contest861778

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012021785

1514National ParkTimus Top Coders: Third Challenge1871786

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1821794

1615Tram SolitaireUral Championship 20081561797

1492Vasya's Dad 2Autumn School Contest 20061891806

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest961815

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest841815

1378Artificial IntelligenceUral Championship 2005. Round 12121824

1425Queen 2Timus Top Coders: First Challenge2031829

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest831829

1417Space Poker 2USU Championship 20052091840

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1141845

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1631846

1304ParallelepipedUral Championship 19982041853

1093DartsUSU Local Contest. March 20015131859

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional621867

1977Energy WallUral Championship 2013481883

1503PolynomialNEERC 2006 Eastern Subregional1791893

1163ChapaevNEERC 2001 Northern Subregional1901894

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1311897

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1301911

1839The MentaculusUral Championship 2011861915

1781Clean CodeUral SU Championship 2010961918

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1281938

1455Freedom of SpeechTimus Top Coders: Second Challenge1861943

1757Gold BarsUSU Personal Contest 20101051947

1634Spider MiteUSU Championship 20081321952

1216Two Pawns and One KingUSU Championship 20021871959

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1271969

1532Lost in TranslationUSU Personal Contest 20071641970

1187Statistical TroubleNEERC 20011821984

1703Robotic ArmUral Championship 20091201990

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest862004

1148Building TowersDSAP Vietnam Online Contest November 20011782013

1396Maximum. Version 21782014

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1812021

1063Domino PuzzleNEERC 20005122052

1945Many-armed BrothersUral FU Personal Contest 2012522058

2053BiologyUral Championship 2015172061

1188LibraryNEERC 20011742070

1267Yekaterinburg SubwayUSU Championship 20031802071

1397Points Game1642081

1288AstrolocationUSU Personal Contest 20041792095

1232Asteroid LandingNEERC 2002 Central Subregional1742098

1041NikiforUSU Championship 20005352103

1543Dance RevolutionUral Championship 20071502107

1315MDPAR and MIIARUral Championship 2004. Round 11782111

1074Very Short ProblemUSU Personal Contest 20014792131

1833Hopes of RowingUral Championship 2011762138

1092TransversalUSU Local Contest. March 20014442141

1549Another Japanese PuzzleUral Championship 20071472147

1867NanotechnologiesUral FU Championship 2011682156

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1152158

1504Good MannersNEERC 2006 Eastern Subregional1552168

1541ChaseUSU Personal Contest 20071482170

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21732203

1652Banking CrisisNEERC 2008 Eastern Subregional1142217

2051PhysicsUral Championship 2015152226

1972Game TestingUral Championship 2013392230

1850Space TourismPetrozavodsk Summer 2010. USU Contest662245

1655Somali PiratesNEERC 2008 Eastern Subregional1112272

1270UnicubeUSU Championship 20031632274

1256Cemetery GuardUSU Local Contest. March 20031602288

1882Old NokiaUral Regional School Programming Contest 2011632294

1835Swamp DoctorUral Championship 2011702298

1368Goat in the Garden 3Ural Championship 2005. Round 21652304

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest202318

1481Winning ChancesUSU Championship 20061452325

1284Space PokerUSU Personal Contest 20041602329

2006Kirill the GardenerUral Regional School Programming Contest 2013332344

1717Eligibility RulesNEERC 2009 Eastern Subregional912369

1978E-LiteUral Championship 2013362375

1758Bald Spot Revisited 2USU Personal Contest 2010842381

1895Steaks on BoardNEERC 2011 Eastern Subregional592418

1739FaryuksUSU Championship 2009882419

1829Routing TablesUSU Personal Contest 2011672440

1275Knights of the Round TableNEERC 2003 Central Subregional1482492

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional852519

1735Theft of the CenturyUSU Championship 2009842522

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional432537

1865The Island of MärketUral FU Championship 2011562548

1520Empire Strikes BackTimus Top Coders: Third Challenge1282550

1704DemodulationUral Championship 2009902587

1300TaxesUral Championship 19981422608

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest552617

2057Non-palidromic cuttingPalindromic Contest 92633

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest632636

1609Tram TileUral Championship 20081032639

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1112640

1308Dean's PyramidUral Championship 2004. Round 11402645

1239Ghost BustersNEERC 20021362649

1312TrayUral Championship 2004. Round 11392663

1798Fire Circle. Version 282681

1454Rectangles 2Timus Top Coders: Second Challenge1322682

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1222741

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest882752

1566Triangular PostcardsUSU Championship 20071052764

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup312768

1856War and PeacePetrozavodsk Summer 2011. USU Contest512788

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest512797

1975Model of the EarthUral Championship 2013292801

1505Oil TransferNEERC 2006 Eastern Subregional1172817

1858Magic CubePetrozavodsk Summer 2011. USU Contest502835

1681Brother Bear's GardenUSU Personal Contest 2009822852

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest812867

1637Triangle Game 2USU Championship 2008862887

1694Killer WordsPetrozavodsk Winter 2009. USU Contest802899

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup292910

1599Winding Number52929

2049ChemistryUral Championship 201592929

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest682932

1464LightPetrozavodsk Winter 2006. USU Contest1152937

2058100500 palidnromesPalindromic Contest 72943

1482Triangle GameUSU Championship 20061122953

141140 Islands KnightsUSU Championship 20051243008

1938Caribbean TriangleUral FU Championship 2012343013

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest133024

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest133024

1442Floo PowderUral Championship 20061163050

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest533054

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional343056

1367Top SecretUral Championship 2005. Round 21203102

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest743106

1622EndspielPetrozavodsk Winter 2008. ITMO Contest813110

1395Pascal vs. C++. Version 21123116

1058ChocolateNEERC 2000 Central Subregional3503133

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest513154

1597Chernobyl’ Eagle on a Roof. Version 2143198

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest783216

1438Time Limit ExceededUSU Personal Contest 20061103232

1957MundialPetrozavodsk Winter 2013. Kontur Cup253243

1834Tennis RacketUral Championship 2011463283

1909Space ReconUral Championship 2012313294

1429BiscuitsTimus Top Coders: First Challenge1083302

2061OEIS A216264Palindromic Contest 53336

1166Funny Card GameNEERC 2001 Northern Subregional1073362

1999The secret moduleNEERC 2013 Eastern Subregional203400

1616Square Country 4Ural Championship 2008773428

2016Magic and ScienceNEERC 2014 Eastern Subregional113449

1466Magic SquarePetrozavodsk Winter 2006. USU Contest953496

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1053521

1632LasersUSU Championship 2008683553

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest383555

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest793589

1733Forgotten TechnologyUSU Championship 2009563592

1509Domino RecognitionNEERC 2006 Eastern Subregional893614

1847ZamkadyePetrozavodsk Summer 2010. USU Contest373631

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup213661


2054AstronomyUral Championship 201553708

1765Error 404Ural Championship 2010493745

1778Chinese Hockey 2Ural SU Championship 2010443764

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest83864

1973Location GeneratorUral Championship 2013183902

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest933931

1799Sasha and swag strings13972

1661DodecahedronPetrozavodsk Winter 2008. USU Contest564086

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest74091

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest724199

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest544214

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest744308

1967Programmer CasinoUral FU Personal Contest 2013164342

1271Sailing DirectionsUSU Championship 2003804372

1594Aztec Treasure464516

1340CucarachaUSU Championship 2004794520

1344Gigantic TurnipUSU Championship 2004794520

1460WiresPetrozavodsk Winter 2006. USU Contest704588

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest684639

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest464659

1771A Deputy's MorningUral Championship 2010374701

1763Expert FleaUral Championship 2010374702

1797Summit Online Judge. Version 2184885

1801The Revolution CupNEERC 2010 Eastern Subregional314908

1426RectanglesTimus Top Coders: First Challenge684996

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest615097

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest685192

1598DSA Attack45330

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest435340

1365Testing CalculatorUral Championship 2005. Round 2655376

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest645472

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest215486

1372Death StarUral Championship 2005. Round 1635546

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest415549

1906The Lost CivilizationUral Championship 2012145628

1848Fly HuntPetrozavodsk Summer 2010. USU Contest205688

1842Local RootsPetrozavodsk Summer 2010. USU Contest186095

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest346130

1668Death Star 2Petrozavodsk Winter 2008. USU Contest336272

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest476348

1674Drunk KingPetrozavodsk Summer 2008. USU Contest326369

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest206414

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional326545

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest336582

1548Sakura and StatisticsUral Championship 2007377172

1363HalftonesUral Championship 2005. Round 2467200

1653Death ConveyorNEERC 2008 Eastern Subregional287234

1536Delights of Pipe-weedUSU Personal Contest 2007347792

1596Knight Mare98142

1432Twofold LuckUSU Personal Contest 2006378253

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest248324

1840Victim of AdvertisingUral Championship 2011118755

1376Dean's Pyramid 2Ural Championship 2005. Round 1358997

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest199224

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest249395

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup29455

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1510699

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1410870

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2710944

1415Mobile LifeUSU Championship 20052511511

1374MisereUral Championship 2005. Round 12511567

1708Sum of Digits 2Ural Championship 20091112316

1399Economical Director1812496

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2113063

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1413309

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1513773

1369Cockroach RaceUral Championship 2005. Round 21615508

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218406

1589SokobanNEERC 2007 Eastern Subregional324266

1394Ships. Version 2331151