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Problem set


1000A+B Problem6871718

1001Reverse Root1934818

1785Lost in LocalizationUral Regional School Programming Contest 20101100619

1293EniyaSpring School Contest 20041853022

1409Two GangstersAutumn School Contest 20051777723

1877Bicycle CodesUral Regional School Programming Contest 2011755823

2012About Grisha N.NEERC 2014 Eastern Subregional297026

1820Ural SteaksUSU Personal Contest 2011703827

1787Turn for MEGAUral Regional School Programming Contest 2010699929

1264WorkdaysAutumn School Contest 20031298130

2001Mathematicians and BerriesUral Regional School Programming Contest 2013351530

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011535832

1197Lonesome KnightSpring School Contest 20021176433

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional403034

1639Chocolate 2Autumn School Contest 2008765636

1924Four ImpsUral Regional School Programming Contest 2012369937

1313Some Words about SportUral Championship 2004. Round 1953442

12091, 10, 100, 1000...Autumn School Contest 2002893843


1567SMS-spamUSU Championship 2007723144

2023Donald is a postmanNEERC 2014 Eastern Subregional173744

1319HotelUral Championship 2004. Round 2888345

1581TeamworkAutumn School Contest 2007703445

1225FlagsNEERC 2002 Central Subregional836746

1263ElectionsAutumn School Contest 2003808849

1585PenguinsNEERC 2007 Eastern Subregional644349

1991The battle near the swampNEERC 2013 Eastern Subregional208550

1876Centipede's MorningUral Regional School Programming Contest 2011331851

1100Final StandingsTetrahedron Team Online Contest May 2001715253

1881Long problem statementUral Regional School Programming Contest 2011320653

1327FusesAutumn School Contest 2004745654

1893A380NEERC 2011 Eastern Subregional312154

1110PowerBulgarian Online Contest September 2001664557

1243Divorce of the Seven DwarfsUSU Personal Contest 2003690957

1493One Step from HappinessAutumn School Contest 2006639057

1349FarmSpring School Contest 2005695358

1607TaxiUSU Personal Contest 2008514059

1496SpammerAutumn School Contest 2006590661

1545HieroglyphsUral Championship 2007554761

1925British Scientists Save the WorldUral Regional School Programming Contest 2012224361

1636Penalty TimeUSU Championship 2008445063

1196History ExamSpring School Contest 2002595564

1837Isenbaev's NumberUral Championship 2011293264

1149Sinus Dances580166

2002Test TaskUral Regional School Programming Contest 2013157166

1654Cipher MessageNEERC 2008 Eastern Subregional413567

1723Sandro's BookUral Regional School Programming Contest 2009357267

1563BayanUSU Championship 2007468768

1617Flat SpotsUral Championship 2008444468

2035Another Dress RehearsalUral Regional School Programming Contest 2014108269

2005Taxi for ProgrammersUral Regional School Programming Contest 2013148570

1131CopyingUSU Championship 2001537971

1457Heating MainTimus Top Coders: Second Challenge537271

1025Democracy in DangerAutumn School Contest 20001626672

1224SpiralNEERC 2002 Central Subregional536172

2066Simple ExpressionUral Regional School Programming Contest 201562373

1792Hamming CodeUral Regional School Programming Contest 2010277974

1935Tears of DrownedUral FU Championship 2012179775

1712Cipher GrilleNEERC 2009 Eastern Subregional316476

1083Factorials!!!Spring School Contest 20011344077

2011Long StatementUral Regional School Programming Contest 2013134377

2031Overturned NumbersUral Regional School Programming Contest 201494479

1502Domino DotsNEERC 2006 Eastern Subregional446581

1139City BlocksNEERC 2001 Central Subregional462882

1194HandshakesSpring School Contest 2002466982

1106Two TeamsTetrahedron Team Online Contest May 2001446684

1290SabotageSpring School Contest 2004471684

1638BookwormUSU Championship 2008332884

1120Sum of Sequential NumbersAutumn School Contest 2001441886

1404Easy to Hack!Autumn School Contest 2005474286

1180Stone GameUSU Personal Contest 2002430789

1902Neo-VeniceUral Championship 2012155689

1119MetroAutumn School Contest 2001419490

2025Line FightingUral Regional School Programming Contest 201481591

1510OrderNEERC 2006 Eastern Subregional384793

1601AntiCAPSUSU Personal Contest 2008324693

1796Amusement ParkUral Regional School Programming Contest 2010220793

1161StripiesNEERC 2001 Northern Subregional403494

1005Stone PileUSU Championship 19971239595

1297PalindromeSpring School Contest 2004418995

16421D MazeAutumn School Contest 2008290995

1009K-based NumbersUSU Championship 19971217796

1786Sandro's BiographyUral Regional School Programming Contest 2010212996

1146Maximum SumDSAP Vietnam Online Contest November 2001391597

1446Sorting HatUral Championship 2006396897

1644A Whole Lot of WalnutsAutumn School Contest 2008285097

1731DillUral Regional School Programming Contest 2009249097

2033DevicesUral Regional School Programming Contest 201476797

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001383398

2010Sasha the Young GrandmasterUral Regional School Programming Contest 2013105398

1370MagicianUral Championship 2005. Round 24025101

1214Strange ProcedureAutumn School Contest 20023780102

1136ParliamentNEERC 2001 Central Subregional3644104

1228ArrayNEERC 2002 Central Subregional3709104

1118Nontrivial NumbersAutumn School Contest 20013611105

1873GOV ChroniclesUral Regional School Programming Contest 20111624105

1203Scientific ConferenceUSU Local Contest. March 20023609106

1777AnindilyakwaUral SU Championship 20101933106

1020RopeAutumn School Contest 200010932107

1014Product of DigitsUSU Local Contest. 199910800108

1573AlchemyAutumn School Contest 20072931109

1296HyperjumpSpring School Contest 20043630110

1330IntervalsAutumn School Contest 20043643110

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional683110

2068Game of NutsUral Regional School Programming Contest 2015409110

1082Gaby IvanushkaSpring School Contest 20019061114

1192Ball in a DreamSpring School Contest 20023344114

2056ScholarshipUral Championship 2015510114

1079MaximumWinter Mathematical Festival Varna 20018994115

1126Magnetic StormsUSU Championship 20013283116

1582BookmakersNEERC 2007 Eastern Subregional2739116

1044Lucky Tickets. Easy!USU Championship 20009828117

1226esreveR redrONEERC 2002 Central Subregional3322117

1711Code NamesNEERC 2009 Eastern Subregional2027119

2000Grand Theft Array VUral Regional School Programming Contest 2013868119

1219Symbolic SequenceUSU Championship 20023238120

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023155121

1086CryptographySpring School Contest 20018435122

1353Milliard Vasya's FunctionSpring School Contest 20053248124

1123SalaryAutumn School Contest 20013025125

1868Prediction ContestUral FU Championship 20111337127

2018The Debut AlbumNEERC 2014 Eastern Subregional589127

1283DwarfUSU Personal Contest 20043094128

1688Team.GOV!USU Personal Contest 20092058128

1683FridgeUSU Personal Contest 20092044129

1260Nudnik PhotographerAutumn School Contest 20033033130

1336Problem of Ben BetsalelAutumn School Contest 20043090130

1725Sold Out!Ural Regional School Programming Contest 20091831131

1982Electrification PlanUral FU Championship 2013782134

1022Genealogical TreeAutumn School Contest 20008631135

1931Excellent TeamUral FU Championship 2012995135

1964Chinese DialectsUral FU Personal Contest 2013850135

1352Mersenne PrimesSpring School Contest 20052951137

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101483138

1021Sacrament of the SumAutumn School Contest 20008411139

1984Dummy GuyUral FU Championship 2013749140

1222Chernobyl’ EaglesUSU Championship 20022753141

1740Deer is Better!USU Championship 20091693141

1402CocktailsAutumn School Contest 20052851142

1612Tram ForumUral Championship 20082100143

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional730143

1026Questions and AnswersAutumn School Contest 20008116144

1864Get-Together at Den'sUral FU Championship 20111178144

1142RelationsDSAP Vietnam Online Contest November 20012617145

1821BiathlonUSU Personal Contest 20111300146

1178Akbardin’s RoadsUSU Personal Contest 20022600147

1576Telephone TariffsAutumn School Contest 20072164147

1084Goat in the GardenSpring School Contest 20016961148

1306Sequence MedianUral Championship 19982592153

1572Yekaterinozavodsk Great WellAutumn School Contest 20072059155

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional880155

1210Kind SpiritsAutumn School Contest 20022475156

1756One and a Half DiggersUSU Personal Contest 20101443156

1167Bicolored HorsesRomanian Online Contest December 20012409158

1709Penguin-AviaUral Championship 20091642158

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional468159

1878Rubinchik's CubeUral Regional School Programming Contest 20111059160

1073Square CountryUSU Personal Contest 20016510161

1295Crazy NotionsSpring School Contest 20042440163

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional839163

1135RecruitsNEERC 2001 Central Subregional2307164

1157Young TilerUral Championship 2001. Round 22315164

1017StaircasesUSU Local Contest. 19997088165

1506Columns of NumbersNEERC 2006 Eastern Subregional2150167

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101222167

1874Football GoalUral Regional School Programming Contest 20111011167

1944Record of the Attack at the OrbitUral FU Personal Contest 2012777167

1280Topological SortingNEERC 2003 Central Subregional2349168

1613For Fans of StatisticsUral Championship 20081760170

1213Cockroaches!Autumn School Contest 20022266171

1012K-based Numbers. Version 26801172

1354Palindrome. Again PalindromeSpring School Contest 20052328173

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091385173

1769Old Ural LegendUral Championship 20101287173

1272Non-Yekaterinburg SubwayUSU Championship 20032272174

1800Murphy's LawNEERC 2010 Eastern Subregional1165174

1640Circle of WinterAutumn School Contest 20081569176

1930Ivan's CarUral Regional School Programming Contest 2012770176

2069Hard RockUral Regional School Programming Contest 2015251176

1789Searching for the DodecahedronUral Regional School Programming Contest 20101151177

1586Threeprime NumbersNEERC 2007 Eastern Subregional1782178

1413Mars JumperUSU Championship 20052256179

1685OrthographyUSU Personal Contest 20091474179

1193Queue at the ExamSpring School Contest 20022122180

1335White ThesisAutumn School Contest 20042222180

1846GCD 2010Petrozavodsk Summer 2010. USU Contest955180

1869New Year CruiseUral FU Championship 2011945180

2073Log FilesUral Regional School Programming Contest 2015245180

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional412181

1048Superlong SumsUSU Local Contest. March 20006247182

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1480182

1102Strange DialogTetrahedron Team Online Contest May 20012039184

1134CardsNEERC 2001 Central Subregional2060184

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1486186

1133Fibonacci SequenceNEERC 2001 Central Subregional2027187

1207Median on the PlaneUSU Local Contest. March 20022024189

1645Ski RaceAutumn School Contest 20081464189

1114BoxesBulgarian Online Contest September 20011989190

1164FillwordNEERC 2001 Northern Subregional1994190

1885Passenger ComfortNEERC 2011 Eastern Subregional885190

1208Legendary Teams ContestUSU Local Contest. March 20021960195

1138Integer PercentageNEERC 2001 Central Subregional1920197

1023ButtonsAutumn School Contest 20005851199

1680The First NonqualifyingUSU Personal Contest 20091323199

1112CoverBulgarian Online Contest September 20011890200

1423String TaleTimus Top Coders: First Challenge1951200

2024Adventure TimeUral Regional School Programming Contest 2014358204

1348Goat in the Garden 2Spring School Contest 20051952206

1987Nested SegmentsUral FU Championship 2013507206

1152False MirrorsUral Championship 2001. Round 21835207

1002Phone NumbersCentral European Olympiad in Informatics 19995543211

1200Horns and HoofsUSU Local Contest. March 20021793213

1249Ancient NecropolisUSU Local Contest. March 20031829213

1490Fire CircleAutumn School Contest 20061659217

1515CashmasterTimus Top Coders: Third Challenge1615218

2065Different SumsUral Regional School Programming Contest 2015200219

1052Rabbit HuntUSU Local Contest. March 20005169220

1183Brackets SequenceNEERC 20011723221

1491Unreal StoryAutumn School Contest 20061631221

1737Mnemonics and Palindromes 3USU Championship 20091076221

1494MonobilliardsAutumn School Contest 20061619222

1011ConductorsUSU Championship 19975247223

1125HopscotchUSU Championship 20011689224

1033LabyrinthUral Championship 19995122227

1795Husband in a ShopUral Regional School Programming Contest 2010897227

1889Airport AnnouncementsNEERC 2011 Eastern Subregional740227

1922Superhero TeamUral Regional School Programming Contest 2012594227

1242WerewolfUSU Personal Contest 20031682231

1333Genie Bomber 2Autumn School Contest 20041731231

1635Mnemonics and PalindromesUSU Championship 20081197232

2003Simple MagicUral Regional School Programming Contest 2013438233

1049Brave BalloonistsUSU Local Contest. March 20004868234

1204IdempotentsUSU Local Contest. March 20021626234

1122GameAutumn School Contest 20011610235

1998The old PadawanNEERC 2013 Eastern Subregional438236

1150Page NumbersUral Championship 2001. Round 21602237

1826MinefieldUSU Personal Contest 2011790239

1205By the Underground or by Foot?USU Local Contest. March 20021589240

1355Bald Spot RevisitedSpring School Contest 20051679240

1191Catch the thief!Spring School Contest 20021579241

1108HeritageBulgarian Online Contest September 20011550243

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1664243

1247Check a SequenceUSU Personal Contest 20031587245

2021Scarily interesting!NEERC 2014 Eastern Subregional299247

1113JeepBulgarian Online Contest September 20011520248

1303Minimal CoverageUral Championship 19981578251

1603EruditeUSU Personal Contest 20081200251

1433DiamondsUSU Personal Contest 20061539252

1718RejudgeNEERC 2009 Eastern Subregional952252

1981Parallel and PerpendicularUral FU Championship 2013410253

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015172253

1298KnightSpring School Contest 20041560254

1010Discrete FunctionUSTU PhysTech Cup 20004588255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014056255

1109ConferenceBulgarian Online Contest September 20011479255

1779The Great TeamUral SU Championship 2010797256

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1337258

1080Map ColoringWinter Mathematical Festival Varna 20013996259

1195Ouths and CrossesSpring School Contest 20021464260

2070Interesting NumbersUral Regional School Programming Contest 2015166261

2034CaravansUral Regional School Programming Contest 2014274264

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012508265

1823Ideal GasUSU Personal Contest 2011709266

1028StarsUral Championship 19994336268

1087The Time to Take StonesSpring School Contest 20013819269

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031437270

1590Bacon’s CipherNEERC 2007 Eastern Subregional1170270

1726VisitsUral Regional School Programming Contest 2009881271

1179Numbers in TextUSU Personal Contest 20021399272

1220StacksUSU Championship 20021419272

1047Simple CalculationsUSU Local Contest. March 20004154274

1933Guns for Battle!Ural FU Championship 2012487274

1117HierarchyAutumn School Contest 20011363277

1211Collective GuaranteeAutumn School Contest 20021388278

1684Jack's Last WordUSU Personal Contest 2009946278

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest823278

1658Sum of DigitsNEERC 2008 Eastern Subregional986279

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1292280

1244GentlemenUSU Personal Contest 20031371283

1537EntsUSU Personal Contest 20071196286

1989SubpalindromesUral FU Championship 2013362286

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014251288

1032Find a MultipleUral Championship 19993507289

1753BookshelfUSU Personal Contest 2010776289

1024PermutationsAutumn School Contest 20004012290

1053PinocchioNEERC 2000 Central Subregional3893292

1018Binary Apple TreeUSU Local Contest. 19993983293

1501Sense of BeautyNEERC 2006 Eastern Subregional1218293

1741Communication FiendUSU Championship 2009810293

1497Cutting a SquareAutumn School Contest 20061221294

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest779294

1184Cable MasterNEERC 20011286296

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1218297

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional674299

1934Black SpotUral FU Championship 2012445299

2067Friends and BerriesUral Regional School Programming Contest 2015144299

1551Sumo TournamentUral Championship 20071123300

1377Lara CroftUral Championship 2005. Round 11344301

1941Scary Martian WordUral FU Personal Contest 2012425302

1127Colored BricksUSU Championship 20011236305

1036Lucky Tickets3779307

1124MosaicUSU Championship 20011228307

1904The Lessons of the PastUral Championship 2012441307

1793Tray 2Ural Regional School Programming Contest 2010659308

2046The First Day at SchoolUral Championship 2015183308

1215Exactness of Projectile HitAutumn School Contest 20021246309

1116Piecewise Constant FunctionAutumn School Contest 20011208312

1137Bus RoutesNEERC 2001 Central Subregional1207313

1153SupercomputerUral Championship 2001. Round 21207313

1227Rally ChampionshipNEERC 2002 Central Subregional1221316

1190Bar of ChocolateSpring School Contest 20021199317

1294Mars SatellitesSpring School Contest 20041242318

2026Dean and ScheduleUral Regional School Programming Contest 2014226318

1008Image EncodingUSTU PhysTech Cup 20003645321

1588JamaicaNEERC 2007 Eastern Subregional980321

1121BranchesAutumn School Contest 20011169322

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional315325

1302Delta-waveUral Championship 19981209327

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest792329

1320Graph DecompositionUral Championship 2004. Round 21199330

1029MinistryUral Championship 19993052332

1013K-based Numbers. Version 3228334

1201Which Day Is It?USU Local Contest. March 20021134335

1218Episode N-th: The Jedi TournamentUSU Championship 20021144337

1060Flip GameNEERC 20003183338

1185WallNEERC 20011123338

1604Country of FoolsUSU Personal Contest 2008890338

1648YachtsAutumn School Contest 2008814338

1450Russian PipelinesTimus Top Coders: Second Challenge1120339

1521War Games 2Timus Top Coders: Third Challenge1037339

1156Two RoundsUral Championship 2001. Round 21106342

1160NetworkNEERC 2001 Northern Subregional1129342

1992CVSNEERC 2013 Eastern Subregional298343

1995Illegal spicesNEERC 2013 Eastern Subregional298343

2047MathsUral Championship 2015163344

1406Next NumberAutumn School Contest 20051169345

1223Chernobyl’ Eagle on a RoofUSU Championship 20021113346

1031Railway TicketsUral Championship 19993329349

1517Freedom of ChoiceTimus Top Coders: Third Challenge999351

1901Space ElevatorsUral Championship 2012385351

1651Shortest SubchainNEERC 2008 Eastern Subregional779352

1140Swamp IncidentNEERC 2001 Central Subregional1069353

1090In the Army NowUSU Local Contest. March 20012754354

1282Game TreeNEERC 2003 Central Subregional1106355

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional205355

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014201356

1483Table FootballUSU Championship 20061006357

1346Intervals of MonotonicityUSU Championship 20041120358

1261TipsAutumn School Contest 20031091359

1262Pseudo-Roman NumberAutumn School Contest 20031093359

1828Approximation by a ProgressionUSU Personal Contest 2011519361

1007Code WordsUSU Championship 19973231362

1246Tethered DogUSU Personal Contest 20031070362

2030Awesome Backup SystemUral Regional School Programming Contest 2014197363

1292Mars Space StationsSpring School Contest 20041079366

1783Nuclear Arms RaceUral SU Championship 2010554366

1431DiplomasUSU Personal Contest 20061054367

1574Mathematicians and bracketsAutumn School Contest 2007859368

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional453368

1055CombinationsNEERC 2000 Central Subregional3077369

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest460369

1923Scary PoliticsUral Regional School Programming Contest 2012362369

1759Long-LiversUSU Personal Contest 2010603370

1963KiteUral FU Personal Contest 2013303372

1403CourierAutumn School Contest 20051082373

1176HyperchannelsUSU Personal Contest 20021014374

1141RSA Attack1007375

1229Strong BrickworkNEERC 2002 Central Subregional1020377

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest911377

1078SegmentsWinter Mathematical Festival Varna 20012732379

1495One-two, One-two 2Autumn School Contest 2006945379

1039Anniversary PartyUSU Championship 20003008382

1631Drunk King 2USU Championship 2008722383

1259How to Become Star?Autumn School Contest 20031016386

1003ParityCentral European Olympiad in Informatics 19993025387

1279WarehouseNEERC 2003 Central Subregional1015387

1774Barber of the Army of MagesUral SU Championship 2010524387

1289One Way TicketUSU Personal Contest 20041017388

1115ShipsBulgarian Online Contest September 2001965389

1356Something EasierSpring School Contest 20051031389

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest585390

1562GM-pineappleUSU Championship 2007810391

1217Unlucky TicketsUSU Championship 2002979393

1489Points on a ParallelepipedAutumn School Contest 2006911393

1860FiborialPetrozavodsk Summer 2011. USU Contest430394

1111SquaresBulgarian Online Contest September 2001952395

1015Test the Difference!USU Local Contest. 19992945396

1407One-two, One-twoAutumn School Contest 20051011399

1427SMSTimus Top Coders: First Challenge973399

1287Mars CanalsUSU Personal Contest 2004985400

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest672400

1221Malevich Strikes Back!USU Championship 2002959401

1094E-screenUSU Local Contest. March 20012415404

1077Travelling Tours925406

1107Warehouse ProblemTetrahedron Team Online Contest May 2001916407

1942Attack at the OrbitUral FU Personal Contest 2012312407

1350CanteenSpring School Contest 2005981409

1343Fairy TaleUSU Championship 2004976410

1732Ministry of TruthUSU Championship 2009576410

1128Partition into GroupsUSU Championship 2001912413

1038Spell CheckerUSU Championship 20002761416

1507Difficult DecisionNEERC 2006 Eastern Subregional852418

1571InterpretersUSU Championship 2007756419

1291Gear-wheelsSpring School Contest 2004936421

1480CouponsUSU Championship 2006849422

1181Cutting a Painted PolygonUSU Personal Contest 2002893424

1513Lemon TaleTimus Top Coders: Third Challenge826424

1602ElevatorUSU Personal Contest 2008708424

1089Verification with a VocabularySpring School Contest 20012413425

1252Sorting the TombstonesUSU Local Contest. March 2003911425

1202Rectangles TravelUSU Local Contest. March 2002890426

1700AwakeningUral Championship 2009604426

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001877430

1519Formula 1Timus Top Coders: Third Challenge815430

1641DutiesAutumn School Contest 2008635432

1019Line PaintingUSU Local Contest. 19992686434

1416ConfidentialUSU Championship 2005924434

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional306437

1776Anniversary FireworkUral SU Championship 2010462438

1890Money out of Thin AirNEERC 2011 Eastern Subregional377440

1258PoolAutumn School Contest 2003887441

1643Attack of the Dark FortressAutumn School Contest 2008620442

1129Door PaintingUSU Championship 2001837449

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional445449

1728Curse on Team.GOVUral Regional School Programming Contest 2009523453

1971Graphics SettingsUral Championship 2013239453

1051Simple Game on a GridUSU Local Contest. March 20002501454

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014155455

1410CrackUSU Championship 2005879456

2048HistoryUral Championship 2015119461

1155TroubleduonsUral Championship 2001. Round 2811464

1072RoutingUSU Personal Contest 20012246465

1884Way to the UniversityUral Regional School Programming Contest 2011357466

1189Pairs of IntegersNEERC 2001807469

1900Brainwashing DeviceUral Championship 2012285470

1535The Hobbit or There and Back AgainUSU Personal Contest 2007721473

1238FoldingNEERC 2002812474

1091Tmutarakan ExamsUSU Local Contest. March 20012045476

1162Currency ExchangeNEERC 2001 Northern Subregional789477

1273TieUSU Championship 2003820477

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest143479

1236Decoding TaskNEERC 2002799481

1428Jedi RiddleTimus Top Coders: First Challenge803482

1525PathPetrozavodsk Winter 2007. D.Gozman Contest710482

1103Pencils and CirclesTetrahedron Team Online Contest May 2001764487

1329Galactic HistoryAutumn School Contest 2004816487

1401GamersAutumn School Contest 2005824488

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014144488

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional485490

1628White StreaksUSU Championship 2008561491

1980Road to InvestorUral Championship 2013220491

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional145492

1095Nikifor 3USU Local Contest. March 20011972494


1871Seismic WavesUral FU Championship 2011337494

1430Crime and PunishmentTimus Top Coders: First Challenge782495

1891Language OceanNEERC 2011 Eastern Subregional333496

1316Electronic AuctionUral Championship 2004. Round 1793497

2004Scientists from SpilkovoUral Regional School Programming Contest 2013200498

1326Bottle TapsUral Championship 2004. Round 2790499

1579Coat TransportationAutumn School Contest 2007630500

1870Zinium 2Ural FU Championship 2011331503

1066GarlandNEERC 20002128504

1212BattleshipAutumn School Contest 2002760504

2071Juice CocktailsUral Regional School Programming Contest 201581506

1322SpyUral Championship 2004. Round 2777507

1729Dead Man's ChestUral Regional School Programming Contest 2009466508

1754Explosion in a PyramidUSU Personal Contest 2010436509

1158Censored!NEERC 2001 Northern Subregional738510

2009Canteen LineUral Regional School Programming Contest 2013195510

1056Computer NetNEERC 2000 Central Subregional2219511

1182Team Them Up!NEERC 2001735515

2063Black and WhiteUral Regional School Programming Contest 201579517

1577E-mailAutumn School Contest 2007605520

1069Prufer CodeUSU Personal Contest 20011988525

1045Funny GameUSU Local Contest. March 20002160526

1334CheckersAutumn School Contest 2004755526

1928Another Ecology ProblemUral Regional School Programming Contest 2012250528

1366PresentsUral Championship 2005. Round 2754531

1439Battle with You-Know-WhoUral Championship 2006717532

1600AirportUSU Personal Contest 2008559535

1101Robot in the FieldTetrahedron Team Online Contest May 2001691538

1143Electric PathDSAP Vietnam Online Contest November 2001698538

1803The Czechs' RiflesNEERC 2010 Eastern Subregional367542

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup206542

1966Cycling RoadsUral FU Personal Contest 2013205542

1314Chase in SubwayUral Championship 2004. Round 1723545

1400Cellular CharactersAutumn School Contest 2005736546

1838Samurai's StrokeUral Championship 2011333546

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest579547

1414Astronomical DatabaseUSU Championship 2005728549

1362Classmates 2Ural Championship 2005. Round 2726551

1760Infernal WorkUSU Personal Contest 2010402551

1004Sightseeing TripCentral European Olympiad in Informatics 19992118552

1027D++ AgainAutumn School Contest 20002100553

1990PodracingNEERC 2013 Eastern Subregional181553

1806Mobile TelegraphsNEERC 2010 Eastern Subregional356559

1064Binary SearchNEERC 20001907563

1605Devil's SequenceUSU Personal Contest 2008530563

1713Key SubstringsNEERC 2009 Eastern Subregional420564

1085MeetingSpring School Contest 20011808566

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005706566

1710Boris, You Are Wrong!Ural Championship 2009452567

1962In Chinese RestaurantUral FU Personal Contest 2013195568

1437Gasoline StationUSU Personal Contest 2006675570

1534Football in GondorUSU Personal Contest 2007596570

1061Buffer ManagerNEERC 20001879571

1650BillionairesNEERC 2008 Eastern Subregional477571

1939First SealUral FU Championship 2012228572

1421Credit OperationsTimus Top Coders: First Challenge674573

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest118573

2062Ambitious ExperimentUral Regional School Programming Contest 201570575

1071Nikifor 2USU Personal Contest 20011813576

1172Ship RoutesRomanian Online Contest December 2001653576

1448Lighting in HogwartsUral Championship 2006662576

1059ExpressionNEERC 2000 Central Subregional1959578

1698Square Country 5Petrozavodsk Winter 2009. USU Contest446579

1550Dean's Pyramid 3Ural Championship 2007576580

1592Chinese WatchesNEERC 2007 Eastern Subregional538581

1822Hugo II's WarUSU Personal Contest 2011318583

1767The House of Doctor DeeUral Championship 2010374584

1701Ostap and PartnersUral Championship 2009436587

1706Cipher Message 2Ural Championship 2009434589

1682Crazy ProfessorUSU Personal Contest 2009439591

1892Morning in KoltsovoNEERC 2011 Eastern Subregional278591

1070Local TimeUSU Personal Contest 20011763592

1866Poetic FootUral FU Championship 2011280592

1445Christmas giftsUral Championship 2006641594

1375Bill CleversUral Championship 2005. Round 1675595

1659Regular TrianglesNEERC 2008 Eastern Subregional454599

1994The Emperor's planNEERC 2013 Eastern Subregional166600

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest525602

1903Unidentified ShipsUral Championship 2012220603

1067Disk TreeNEERC 20001768606

1358CablesSpring School Contest 2005657607

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest459610

1325DirtUral Championship 2004. Round 2644611

1054Hanoi TowerNEERC 2000 Central Subregional1849612

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional215613

1465Pawn GamePetrozavodsk Winter 2006. USU Contest592614

1690Army of MagesPetrozavodsk Winter 2009. USU Contest419615

1309DisputeUral Championship 2004. Round 1633621

1943Space RummyUral FU Personal Contest 2012199628


1940Not So Simple YearsUral FU Championship 2012205633

1174Weird PermutationsRomanian Online Contest December 2001589637

1961Cantonese DialectUral FU Personal Contest 2013173637

2008SwiftyUral Regional School Programming Contest 2013154637

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest261640

1248Sequence SumUSU Personal Contest 2003598643

1542AutocompletionUral Championship 2007517645

1096Get the Right Route Plate!USU Local Contest. March 20011501648

1234BricksNEERC 2002591648

1932The Secret of IdentifierUral FU Championship 2012200648

1254Die HardUSU Local Contest. March 2003593649

1452Pascal vs. C++Timus Top Coders: Second Challenge575655

1088Ilya MurometzSpring School Contest 20011560656

1253NecrologuesUSU Local Contest. March 2003587656

1332Genie BomberAutumn School Contest 2004602658

1186Chemical ReactionsNEERC 2001571659

1564Counting OnesUSU Championship 2007472665

1606SlalomUSU Personal Contest 2008447666

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional197667

1755CakeUSU Personal Contest 2010330668

1371Cargo AgencyUral Championship 2005. Round 1598670

1443RailsUral Championship 2006565673

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009348675

1872Spacious OfficeUral FU Championship 2011244675

1500Pass LicensesNEERC 2006 Eastern Subregional522677

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012193677

1286Starship TravelUSU Personal Contest 2004575681

1633HippogriffsUSU Championship 2008399685

1773Metro to Every HomeUral Championship 2010316688

1168Radio StationsRomanian Online Contest December 2001544689

1832Arirang ShowUral Championship 2011261691


1486Equal SquaresUSU Championship 2006511697

1274Fractional ArithmeticNEERC 2003 Central Subregional558698

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest511700

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup157701

1440Training ScheduleUral Championship 2006541702

1780Gray CodeUral SU Championship 2010284702

1830Help in the RNOSUral Championship 2011256704

1629TripUSU Championship 2008387706

1986Paul’s SaladsUral FU Championship 2013140708

1875Angry BirdsUral Regional School Programming Contest 2011231709

1230Introspective ProgramNEERC 2002 Central Subregional537710

1974Similar TunesUral Championship 2013149710

1301Cube in LabyrinthUral Championship 1998550712

1772Ski-Trails for RobotsUral Championship 2010305712

1057Amount of DegreesNEERC 2000 Central Subregional1584714

1305Convex HullUral Championship 1998549714

1132Square Root521717

1034Queens in Peaceful PositionsUral Championship 19991610719

1996Cipher Message 3NEERC 2013 Eastern Subregional137719

2060Subpalindrome pairsPalindromic Contest 65719

1775Space BowlingUral SU Championship 2010276722

1611DecimationUral Championship 2008406724

1169PairsRomanian Online Contest December 2001513730

1988Planet Ocean LandingUral FU Championship 2013135733

1037Memory ManagementUSU Championship 20001563734

1159FenceNEERC 2001 Northern Subregional507738

1614National Project “Trams”Ural Championship 2008398738

1016Cube on the WalkUSU Local Contest. 19991568741

1405Goat in the Garden 5Autumn School Contest 2005540741

1484Film RatingUSU Championship 2006480741

1235Cricket FieldNEERC 2002513744

1250Sea BurialUSU Local Contest. March 2003516744

2052Physical EducationUral Championship 201570744

2017Best of a bad lotNEERC 2014 Eastern Subregional92747

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest482751

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional262752

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest413762

1825Ifrit Bomber 2USU Personal Contest 2011241762

1646Godzilla Strikes Back!Autumn School Contest 2008353767

2064CaterpillarsUral Regional School Programming Contest 201550767

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest520769

1424MinibusTimus Top Coders: First Challenge499770

1587Flying PigNEERC 2007 Eastern Subregional401774

1512ZiniumTimus Top Coders: Third Challenge447776

1936RoshamboUral FU Championship 2012165778

1042Central HeatingUSU Championship 20001462784

1716Alternative SolutionNEERC 2009 Eastern Subregional299784

1738Computer SecurityUSU Championship 2009296785

1392Dreaming of Stars508786

1593Square Country. Version 2330788

1647Divide an Island!Autumn School Contest 2008343789

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest448796

1105Observers ColoringTetrahedron Team Online Contest May 2001462799

1323ClassmatesUral Championship 2004. Round 2489800

1720Summit Online JudgeNEERC 2009 Eastern Subregional293800

1689Fisherman and BarbellUSU Personal Contest 2009320804

1268Little ChuUSU Championship 2003482805

1927Herbs and MagicUral Regional School Programming Contest 2012160808

1030TitanicUral Championship 19991428810

1276TrainNEERC 2003 Central Subregional479810

1705Gangster HaresUral Championship 2009313810

1456Jedi Riddle 2Timus Top Coders: Second Challenge462812

1547Password SearchUral Championship 2007405819

1165SubnumberNEERC 2001 Northern Subregional452826

1715Another Ball KillerNEERC 2009 Eastern Subregional282830

1269Obscene Words FilterUSU Championship 2003466832

1379Cups TransportationUral Championship 2005. Round 1478835

1905Travel in TimeUral Championship 2012156835

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest224836

1147Shaping RegionsDSAP Vietnam Online Contest November 2001438850

1436BillboardUSU Personal Contest 2006449851

1154Mages ContestUral Championship 2001. Round 2435857

1342EnterpriseUSU Championship 2004461859

1630TalismanUSU Championship 2008315862

1006Square FramesUSU Championship 19971348863

1608Lucky Tickets 2008Ural Championship 2008337868

1824Ifrit BomberUSU Personal Contest 2011210869

1498Stroke at Full SpeedAutumn School Contest 2006406870

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest256872

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest74873

1921Chaos and OrderUral Regional School Programming Contest 2012147875

1277Cops and ThievesNEERC 2003 Central Subregional441879

1948The Robot on the LineUral FU Personal Contest 2012139880

1578Mammoth HuntAutumn School Contest 2007352884

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest382885

1233Amusing NumbersNEERC 2002429887

1324Extra SpacesUral Championship 2004. Round 2436895

1373Pictura ex MachinaUral Championship 2005. Round 1445895

1970皇后像廣場Ural FU Personal Contest 2013120896

1979Resources DistributionUral Championship 2013116896

1245PicturesUSU Personal Contest 2003426897

1761Binary PalindromeUSU Personal Contest 2010243897

1883Ent's BirthdayUral Regional School Programming Contest 2011180899

1836Babel FishUral Championship 2011198900

1863Peaceful AtomUral FU Championship 2011180903

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest398906

1175Strange SequenceUSU Personal Contest 2002412908

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest245909

1949The Best Picture in the GalaxyUral FU Personal Contest 2012134911

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest303914

1580Dean's DebtsAutumn School Contest 2007339916

1237Evacuation PlanNEERC 2002415918

1976Game OptimizationUral Championship 2013113918

1364LaraKillerUral Championship 2005. Round 2429924

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest275926

1784RoundersUral SU Championship 2010213926

1285Thread in a HyperspaceUSU Personal Contest 2004419929

1730ManBearPigUral Regional School Programming Contest 2009249933

1422FirefliesTimus Top Coders: First Challenge409936

1983Nectar GatheringUral FU Championship 2013103940

1278“… Connecting People”NEERC 2003 Central Subregional411941

1575Yekaterinburg Subway 2Autumn School Contest 2007330941

1887Frequent Flyer CardNEERC 2011 Eastern Subregional169951

1937Davy Jones’s OrganUral FU Championship 2012132959

1339BabiesUSU Championship 2004410964

1435Financial ErrorUSU Personal Contest 2006395964

1398Bishop and Pawn355967

1151RadiobeaconsUral Championship 2001. Round 2384968

1827Indigenous WarsUSU Personal Contest 2011187970

1040Airline CompanyUSU Championship 20001173975

1451Beerhouse TaleTimus Top Coders: Second Challenge382978

1418Military StoryUSU Championship 2005403982

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest166986

1130Nikifor's WalkUSU Championship 2001375988

1569Networking the “Iset”USU Championship 2007313993

1879GOV-internship 2Ural Regional School Programming Contest 2011162994

1591Abstract ThinkingNEERC 2007 Eastern Subregional309998

1965Pear TreesUral FU Personal Contest 20131061004

1331VladislavaAutumn School Contest 20043891009

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3091010

1768Circular StringsUral Championship 20102121010

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101931014

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3521021

1862Very Wealthy MoleUral FU Championship 20111581021

1907Coffee and BunsUral Championship 20121251027

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2531028

1722Observation DeckUral Regional School Programming Contest 20092231037

1570Eating HighUSU Championship 20072981041

1311Stable ConstructionUral Championship 2004. Round 13731042

1075Thread in a SpaceUSU Personal Contest 20019961043

1518Jedi Riddle 3Timus Top Coders: Third Challenge3301043

1539Intelligence DataUSU Personal Contest 20073181053

1173Lazy SnailRomanian Online Contest December 20013481066

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1191070

1790Searching for the TruthUral Regional School Programming Contest 20101821072

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2061074

1687Numismatics for FunUSU Personal Contest 20092361079

1985Prime SquareUral FU Championship 2013871096

2007Mutants versus MachinesUral Regional School Programming Contest 2013851100

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest561111

1341DeviceUSU Championship 20043541112

1317HailUral Championship 2004. Round 23471119

1968Glass PyramidUral FU Personal Contest 2013941120

1511Fiscal OperationsTimus Top Coders: Third Challenge3041129

1540Battle for the RingUSU Personal Contest 20072941137

1447Portkey NetworkUral Championship 20063301138

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1621138

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1931142

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2271151

1627JoinPetrozavodsk Winter 2008. ITMO Contest2381153

1444ElephpotamusUral Championship 20063251155

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1591158

1544Classmates 3Ural Championship 20072831160

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1401160

1357Teakettle 1.0 for DummiesSpring School Contest 20053391161

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3411161

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3011172

1458War GamesTimus Top Coders: Second Challenge3161176

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1371180

1408Polynomial MultiplicationAutumn School Contest 20053341184

1766Humpty DumptyUral Championship 20101791186

1807Cartridges for MaximNEERC 2010 Eastern Subregional1621189

2055Urban GeographyUral Championship 2015401190

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2091205

1453QueenTimus Top Coders: Second Challenge3081206

1595Perfect Sequence1991223

1307ArchiverUral Championship 2004. Round 13161225

1946Chinese Hockey 3Ural FU Personal Contest 2012971226

1359ConstructionSpring School Contest 20053201228

1310ACM DiagnosticsUral Championship 2004. Round 13151229

1533Fat HobbitsUSU Personal Contest 20072701234

1035Cross-stitchUral Championship 19999291237

1947MeanderUral FU Personal Contest 2012961237

1736Chinese HockeyUSU Championship 20091841238

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2501239

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2461243

1669Universal WordPetrozavodsk Winter 2008. USU Contest2091245

1686Photovoltaic SpaceshipUSU Personal Contest 20092021252

1546Japanese SortingUral Championship 20072611254

1487Chinese FootballUSU Championship 20062791256

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1821263

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2821266

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup821273

1657Cube SnakeNEERC 2008 Eastern Subregional2081275

1538Towers of GuardUSU Personal Contest 20072591284

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2601285

1321Floor IndicatorUral Championship 2004. Round 23001288

1177Like ComparisonsUSU Personal Contest 20022861294

1099Work Scheduling6741296

1393Average Common Prefix2981306

1050Preparing an ArticleUSU Local Contest. March 20008601311

1171Lost in SpaceRomanian Online Contest December 20012791320

1065FrontierNEERC 20008061323

1328FireballAutumn School Contest 20042941324

1097Square Country 2USU Local Contest. March 20017281326

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional931340

1360Philosophical DisputeUral Championship 2005. Round 22921343

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2021349

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2601350

20503D-modelingUral Championship 2015341352

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1411354

1281River BasinNEERC 2003 Central Subregional2821357

1499KerchiefsAutumn School Contest 20062551366

1240Heroes of Might and MagicNEERC 20022741371

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2431372

1950Martian FarmlandsUral FU Personal Contest 2012841395

1434Buses in VasyukiUSU Personal Contest 20062671409

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1541414

1318LogarithmUral Championship 2004. Round 22711421

1419Maps of the Island WorldsUSU Championship 20052741428

1266Kirchhoff's LawUSU Championship 20032671429

1345HTMLUSU Championship 20042731430

1762Search for a Hiding-PlaceUSU Personal Contest 20101481437

1299PsyloniansSpring School Contest 20042671439

1449Credit Operations 2Timus Top Coders: Second Challenge2561441

1265MirrorUSU Championship 20032641445

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2301446

1347BlogSpring School Contest 20052671463

1170DesertRomanian Online Contest December 20012501468

1441From the History of Gringotts BankUral Championship 20062531471

1802Cube PuzzleNEERC 2010 Eastern Subregional1291471

1770The Party of Ural ChampionsUral Championship 20101411484

1412Autumn TideUSU Championship 20052631485

1043Cover an ArcUSU Championship 20007601499

1886Trip 2NEERC 2011 Eastern Subregional1021520

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup671521

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest381528

1251Cemetery ManagerUSU Local Contest. March 20032451535

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1171541

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2261544

1241Inlay CuttersNEERC 20022411553

1764TranssibUral Championship 20101341557

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup651562

1565The Duel for ThreeUSU Championship 20071941572

1908Brute-force SearchUral Championship 2012781575

1568Train Car SortingUSU Championship 20071931579

1782Jack's New WordUral SU Championship 20101201589

1337BureaucracyAutumn School Contest 20042421598

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2441604

1488ACM PokerUSU Championship 20062161606

1894Non-Flying WeatherNEERC 2011 Eastern Subregional961606

1485Football and LieUSU Championship 20062151613

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2421617

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1571620

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1321633

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551639

1707Hypnotoad's SecretUral Championship 20091491646

1583CheeseNEERC 2007 Eastern Subregional1801675

1062TriathlonNEERC 20006301685

2059Not common palindromesPalindromic Contest 221685

1516NostalgiaTimus Top Coders: Third Challenge2001688

1734Endgame DatabaseUSU Championship 20091321691

1420Integer-Valued Complex DivisionUSU Championship 20052271711

1831Tsyfirkin's LessonUral Championship 2011991717

1257HyphenationAutumn School Contest 20032201720

1046Geometrical DreamsUSU Local Contest. March 20006511725

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest901735

1508Japanese PuzzleNEERC 2006 Eastern Subregional1971741

1610CactusesUral Championship 20081631741

1338AutomobilesUSU Championship 20042221744

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest1991769

2022Riding a ToadNEERC 2014 Eastern Subregional331773

1841CablewaysPetrozavodsk Summer 2010. USU Contest881776

1702CrossroadUral Championship 20091371781

1514National ParkTimus Top Coders: Third Challenge1891782

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012031789

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1701790

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1831798

1615Tram SolitaireUral Championship 20081571803

1492Vasya's Dad 2Autumn School Contest 20061901810

1425Queen 2Timus Top Coders: First Challenge2061816

1378Artificial IntelligenceUral Championship 2005. Round 12141818

1969Hong Kong TramUral FU Personal Contest 2013541820

1304ParallelepipedUral Championship 19982081830

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest961846

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest841851

1417Space Poker 2USU Championship 20052091852

1093DartsUSU Local Contest. March 20015181854

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest831865

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1141870

1503PolynomialNEERC 2006 Eastern Subregional1811887

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1321905

1163ChapaevNEERC 2001 Northern Subregional1901907

1977Energy WallUral Championship 2013491913

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional621916

1455Freedom of SpeechTimus Top Coders: Second Challenge1901917

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1311918

1781Clean CodeUral SU Championship 2010971930

1634Spider MiteUSU Championship 20081341945

1839The MentaculusUral Championship 2011861950

1216Two Pawns and One KingUSU Championship 20021891952

1148Building TowersDSAP Vietnam Online Contest November 20011851954

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1281960

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1291962

1532Lost in TranslationUSU Personal Contest 20071651974

1757Gold BarsUSU Personal Contest 20101051974

1187Statistical TroubleNEERC 20011831986

1396Maximum. Version 21811996

1703Robotic ArmUral Championship 20091202013

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1822024

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest862039

1267Yekaterinburg SubwayUSU Championship 20031842041

1063Domino PuzzleNEERC 20005182042

1397Points Game1672060

1315MDPAR and MIIARUral Championship 2004. Round 11832069

1188LibraryNEERC 20011752072

1288AstrolocationUSU Personal Contest 20041822075

1041NikiforUSU Championship 20005412094

1543Dance RevolutionUral Championship 20071512111

1232Asteroid LandingNEERC 2002 Central Subregional1742112

1945Many-armed BrothersUral FU Personal Contest 2012522116

1092TransversalUSU Local Contest. March 20014512123

1074Very Short ProblemUSU Personal Contest 20014842124

2053BiologyUral Championship 2015182125

1549Another Japanese PuzzleUral Championship 20071482151

1833Hopes of RowingUral Championship 2011772152

1541ChaseUSU Personal Contest 20071502159

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1162164

1867NanotechnologiesUral FU Championship 2011692171

1504Good MannersNEERC 2006 Eastern Subregional1552184

2051PhysicsUral Championship 2015172204

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21732217

1652Banking CrisisNEERC 2008 Eastern Subregional1142241

1655Somali PiratesNEERC 2008 Eastern Subregional1132259

2006Kirill the GardenerUral Regional School Programming Contest 2013362271

1284Space PokerUSU Personal Contest 20041652277

1256Cemetery GuardUSU Local Contest. March 20031612289

1270UnicubeUSU Championship 20031632289

1850Space TourismPetrozavodsk Summer 2010. USU Contest662290

1972Game TestingUral Championship 2013392304

1882Old NokiaUral Regional School Programming Contest 2011642309

1368Goat in the Garden 3Ural Championship 2005. Round 21652318

1481Winning ChancesUSU Championship 20061462326

1758Bald Spot Revisited 2USU Personal Contest 2010872340

1835Swamp DoctorUral Championship 2011702340

1978E-LiteUral Championship 2013382352

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest212366

1599Winding Number102391

1717Eligibility RulesNEERC 2009 Eastern Subregional912400

1739FaryuksUSU Championship 2009882451

1829Routing TablesUSU Personal Contest 2011682451

1895Steaks on BoardNEERC 2011 Eastern Subregional592467

1275Knights of the Round TableNEERC 2003 Central Subregional1482508

1520Empire Strikes BackTimus Top Coders: Third Challenge1302533

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional852552

1735Theft of the CenturyUSU Championship 2009842555

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional442555

1300TaxesUral Championship 19981462557

1865The Island of MärketUral FU Championship 2011572560

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest652609

1704DemodulationUral Championship 2009902617

1308Dean's PyramidUral Championship 2004. Round 11422627

1239Ghost BustersNEERC 20021382631

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1122641

1454Rectangles 2Timus Top Coders: Second Challenge1352644

1312TrayUral Championship 2004. Round 11402662

1609Tram TileUral Championship 20081032665

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest552669

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1232740

1798Fire Circle. Version 292745

1566Triangular PostcardsUSU Championship 20071062764

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest882783

1505Oil TransferNEERC 2006 Eastern Subregional1182816

2057Non-palidromic cuttingPalindromic Contest 92837

1856War and PeacePetrozavodsk Summer 2011. USU Contest512844

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest512853

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup312857

1681Brother Bear's GardenUSU Personal Contest 2009822884

1858Magic CubePetrozavodsk Summer 2011. USU Contest502891

1975Model of the EarthUral Championship 2013292895

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest812900

1637Triangle Game 2USU Championship 2008862918

1694Killer WordsPetrozavodsk Winter 2009. USU Contest802932

1464LightPetrozavodsk Winter 2006. USU Contest1162934

1482Triangle GameUSU Championship 20061132950

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest682973

141140 Islands KnightsUSU Championship 20051262982

2058100500 palidnromesPalindromic Contest 82995

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup293003

1442Floo PowderUral Championship 20061173045

1938Caribbean TriangleUral FU Championship 2012343093

1597Chernobyl’ Eagle on a Roof. Version 2163097

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest533106

1395Pascal vs. C++. Version 21133111

1367Top SecretUral Championship 2005. Round 21203121

2049ChemistryUral Championship 201593132

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional343136

1058ChocolateNEERC 2000 Central Subregional3523137

1622EndspielPetrozavodsk Winter 2008. ITMO Contest813142

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest813142

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest743142

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest133189

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest133189

1438Time Limit ExceededUSU Personal Contest 20061123200

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest513208

1957MundialPetrozavodsk Winter 2013. Kontur Cup263253

1429BiscuitsTimus Top Coders: First Challenge1083323

1834Tennis RacketUral Championship 2011463343

1166Funny Card GameNEERC 2001 Northern Subregional1083354

2061OEIS A216264Palindromic Contest 63369

1909Space ReconUral Championship 2012313381

1616Square Country 4Ural Championship 2008773461

1466Magic SquarePetrozavodsk Winter 2006. USU Contest963487

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1063512

1999The secret moduleNEERC 2013 Eastern Subregional203522

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest803580

1632LasersUSU Championship 2008683591

1509Domino RecognitionNEERC 2006 Eastern Subregional903604

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest383626

2016Magic and ScienceNEERC 2014 Eastern Subregional113630

1733Forgotten TechnologyUSU Championship 2009563639


1847ZamkadyePetrozavodsk Summer 2010. USU Contest373703

2054AstronomyUral Championship 201563717

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup213778

1765Error 404Ural Championship 2010493799

1778Chinese Hockey 2Ural SU Championship 2010443824

1598DSA Attack103919

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest933955

1799Sasha and swag strings23966

1973Location GeneratorUral Championship 2013184031

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84075

1661DodecahedronPetrozavodsk Winter 2008. USU Contest564131

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest734181

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest544261

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest754288

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest74314

1271Sailing DirectionsUSU Championship 2003804400

1967Programmer CasinoUral FU Personal Contest 2013164481

1340CucarachaUSU Championship 2004794547

1344Gigantic TurnipUSU Championship 2004794547

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest704556

1460WiresPetrozavodsk Winter 2006. USU Contest714564

1594Aztec Treasure464570

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest464713

1763Expert FleaUral Championship 2010374769

1771A Deputy's MorningUral Championship 2010374769

1797Summit Online Judge. Version 2194838

1801The Revolution CupNEERC 2010 Eastern Subregional314988

1426RectanglesTimus Top Coders: First Challenge685028

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest625062

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest695157

1365Testing CalculatorUral Championship 2005. Round 2665337

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest435395

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest435395

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest655432

1372Death StarUral Championship 2005. Round 1635579

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest215595

1906The Lost CivilizationUral Championship 2012145775

1848Fly HuntPetrozavodsk Summer 2010. USU Contest205801

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest346197

1842Local RootsPetrozavodsk Summer 2010. USU Contest186216

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest486284

1668Death Star 2Petrozavodsk Winter 2008. USU Contest336342

1674Drunk KingPetrozavodsk Summer 2008. USU Contest326440

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest206524

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional326616

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest336650

1548Sakura and StatisticsUral Championship 2007387079

1363HalftonesUral Championship 2005. Round 2467244

1653Death ConveyorNEERC 2008 Eastern Subregional287312

1536Delights of Pipe-weedUSU Personal Contest 2007367511

1596Knight Mare117531

1432Twofold LuckUSU Personal Contest 2006378306

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest248410

1840Victim of AdvertisingUral Championship 2011118914

1376Dean's Pyramid 2Ural Championship 2005. Round 1359051

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest259206

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest199327

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup29756

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1510819

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1410996

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2711010

1415Mobile LifeUSU Championship 20052511581

1374MisereUral Championship 2005. Round 12511636

1708Sum of Digits 2Ural Championship 20091112460

1399Economical Director1812591

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1512888

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2113141

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1613346

1369Cockroach RaceUral Championship 2005. Round 21615602

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1218517

1589SokobanNEERC 2007 Eastern Subregional324481

1394Ships. Version 2429099