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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7093018

1001Reverse Root2017318

1002Phone NumbersCentral European Olympiad in Informatics 19995638212

1003ParityCentral European Olympiad in Informatics 19993070389

1004Sightseeing TripCentral European Olympiad in Informatics 19992141557

1005Stone PileUSU Championship 19971275894

1006Square FramesUSU Championship 19971367868

1007Code WordsUSU Championship 19973282363

1008Image EncodingUSTU PhysTech Cup 20003674325

1009K-based NumbersUSU Championship 19971215398

1010Discrete FunctionUSTU PhysTech Cup 20004640257

1011ConductorsUSU Championship 19975324224

1012K-based Numbers. Version 26902173

1013K-based Numbers. Version 3286305

1014Product of DigitsUSU Local Contest. 199911084107

1015Test the Difference!USU Local Contest. 19992976399

1016Cube on the WalkUSU Local Contest. 19991585747

1017StaircasesUSU Local Contest. 19997290163

1018Binary Apple TreeUSU Local Contest. 19994050294

1019Line PaintingUSU Local Contest. 19992721437

1020RopeAutumn School Contest 200011217106

1021Sacrament of the SumAutumn School Contest 20008548139

1022Genealogical TreeAutumn School Contest 20008753136

1023ButtonsAutumn School Contest 20005935200

1024PermutationsAutumn School Contest 20004067292

1025Democracy in DangerAutumn School Contest 20001666771

1026Questions and AnswersAutumn School Contest 20008242144

1027D++ AgainAutumn School Contest 20002125558

1028StarsUral Championship 19994433267

1029MinistryUral Championship 19993111332

1030TitanicUral Championship 19991473801

1031Railway TicketsUral Championship 19993368351

1032Find a MultipleUral Championship 19993571289

1033LabyrinthUral Championship 19995208228

1034Queens in Peaceful PositionsUral Championship 19991650715

1035Cross-stitchUral Championship 19999541229

1036Lucky Tickets3936301

1037Memory ManagementUSU Championship 20001585738

1038Spell CheckerUSU Championship 20002786421

1039Anniversary PartyUSU Championship 20003079381

1040Airline CompanyUSU Championship 20001187983

1041NikiforUSU Championship 20005582072

1042Central HeatingUSU Championship 20001482789

1043Cover an ArcUSU Championship 20007691510

1044Lucky Tickets. Easy!USU Championship 20009980118

1045Funny GameUSU Local Contest. March 20002205525

1046Geometrical DreamsUSU Local Contest. March 20006561746

1047Simple CalculationsUSU Local Contest. March 20004195277

1048Superlong SumsUSU Local Contest. March 20006335183

1049Brave BalloonistsUSU Local Contest. March 20004936235

1050Preparing an ArticleUSU Local Contest. March 20008711320

1051Simple Game on a GridUSU Local Contest. March 20002518460

1052Rabbit HuntUSU Local Contest. March 20005244221

1053PinocchioNEERC 2000 Central Subregional3919295

1054Hanoi TowerNEERC 2000 Central Subregional1875616

1055CombinationsNEERC 2000 Central Subregional3104373

1056Computer NetNEERC 2000 Central Subregional2246514

1057Amount of DegreesNEERC 2000 Central Subregional1621712

1058ChocolateNEERC 2000 Central Subregional3643096

1059ExpressionNEERC 2000 Central Subregional1975585

1060Flip GameNEERC 20003225340

1061Buffer ManagerNEERC 20001913572

1062TriathlonNEERC 20006391695

1063Domino PuzzleNEERC 20005292040

1064Binary SearchNEERC 20001930567

1065FrontierNEERC 20008231321

1066GarlandNEERC 20002156508

1067Disk TreeNEERC 20001845593

1068Sum2527843

1069Prufer CodeUSU Personal Contest 20012033524

1070Local TimeUSU Personal Contest 20011806589

1071Nikifor 2USU Personal Contest 20011863571

1072RoutingUSU Personal Contest 20012280467

1073Square CountryUSU Personal Contest 20016701159

1074Very Short ProblemUSU Personal Contest 20015002098

1075Thread in a SpaceUSU Personal Contest 200110251034

1076Trash1661637

1077Travelling Tours932411

1078SegmentsWinter Mathematical Festival Varna 20012790378

1079MaximumWinter Mathematical Festival Varna 20019185115

1080Map ColoringWinter Mathematical Festival Varna 20014070259

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014128256

1082Gaby IvanushkaSpring School Contest 20019176114

1083Factorials!!!Spring School Contest 20011378176

1084Goat in the GardenSpring School Contest 20017085148

1085MeetingSpring School Contest 20011834569

1086CryptographySpring School Contest 20018642121

1087The Time to Take StonesSpring School Contest 20013883270

1088Ilya MurometzSpring School Contest 20011573663

1089Verification with a VocabularySpring School Contest 20012438429

1090In the Army NowUSU Local Contest. March 20012817353

1091Tmutarakan ExamsUSU Local Contest. March 20012070480

1092TransversalUSU Local Contest. March 20014592127

1093DartsUSU Local Contest. March 20015321841

1094E-screenUSU Local Contest. March 20012450406

1095Nikifor 3USU Local Contest. March 20012006495

1096Get the Right Route Plate!USU Local Contest. March 20011523651

1097Square Country 2USU Local Contest. March 20017451322

1098Questions1903499

1099Work Scheduling7031267

1100Final StandingsTetrahedron Team Online Contest May 2001739052

1101Robot in the FieldTetrahedron Team Online Contest May 2001703539

1102Strange DialogTetrahedron Team Online Contest May 20012089183

1103Pencils and CirclesTetrahedron Team Online Contest May 2001776489

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001392198

1105Observers ColoringTetrahedron Team Online Contest May 2001470801

1106Two TeamsTetrahedron Team Online Contest May 2001461083

1107Warehouse ProblemTetrahedron Team Online Contest May 2001929409

1108HeritageBulgarian Online Contest September 20011565246

1109ConferenceBulgarian Online Contest September 20011511254

1110PowerBulgarian Online Contest September 2001678857

1111SquaresBulgarian Online Contest September 2001969395

1112CoverBulgarian Online Contest September 20011926200

1113JeepBulgarian Online Contest September 20011541249

1114BoxesBulgarian Online Contest September 20012020191

1115ShipsBulgarian Online Contest September 2001981390

1116Piecewise Constant FunctionAutumn School Contest 20011235311

1117HierarchyAutumn School Contest 20011389277

1118Nontrivial NumbersAutumn School Contest 20013696104

1119MetroAutumn School Contest 2001439588

1120Sum of Sequential NumbersAutumn School Contest 2001452385

1121BranchesAutumn School Contest 20011183325

1122GameAutumn School Contest 20011634236

1123SalaryAutumn School Contest 20013094125

1124MosaicUSU Championship 20011243309

1125HopscotchUSU Championship 20011711225

1126Magnetic StormsUSU Championship 20013396114

1127Colored BricksUSU Championship 20011250308

1128Partition into GroupsUSU Championship 2001923415

1129Door PaintingUSU Championship 2001848452

1130Nikifor's WalkUSU Championship 2001379996

1131CopyingUSU Championship 2001551570

1132Square Root537709

1133Fibonacci SequenceNEERC 2001 Central Subregional2061187

1134CardsNEERC 2001 Central Subregional2152179

1135RecruitsNEERC 2001 Central Subregional2352164

1136ParliamentNEERC 2001 Central Subregional3720104

1137Bus RoutesNEERC 2001 Central Subregional1222315

1138Integer PercentageNEERC 2001 Central Subregional1944199

1139City BlocksNEERC 2001 Central Subregional472482

1140Swamp IncidentNEERC 2001 Central Subregional1078357

1141RSA Attack1020377

1142RelationsDSAP Vietnam Online Contest November 20012667145

1143Electric PathDSAP Vietnam Online Contest November 2001714536

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012091773

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001900427

1146Maximum SumDSAP Vietnam Online Contest November 2001407395

1147Shaping RegionsDSAP Vietnam Online Contest November 2001455835

1148Building TowersDSAP Vietnam Online Contest November 20011881961

1149Sinus Dances592066

1150Page NumbersUral Championship 2001. Round 21622238

1151RadiobeaconsUral Championship 2001. Round 23601050

1152False MirrorsUral Championship 2001. Round 21959197

1153SupercomputerUral Championship 2001. Round 21234312

1154Mages ContestUral Championship 2001. Round 2443858

1155TroubleduonsUral Championship 2001. Round 2822467

1156Two RoundsUral Championship 2001. Round 21129341

1157Young TilerUral Championship 2001. Round 22347165

1158Censored!NEERC 2001 Northern Subregional754509

1159FenceNEERC 2001 Northern Subregional512745

1160NetworkNEERC 2001 Northern Subregional1143344

1161StripiesNEERC 2001 Northern Subregional413294

1162Currency ExchangeNEERC 2001 Northern Subregional801479

1163ChapaevNEERC 2001 Northern Subregional1931915

1164FillwordNEERC 2001 Northern Subregional2012192

1165SubnumberNEERC 2001 Northern Subregional455836

1166Funny Card GameNEERC 2001 Northern Subregional1103357

1167Bicolored HorsesRomanian Online Contest December 20012485156

1168Radio StationsRomanian Online Contest December 2001551693

1169PairsRomanian Online Contest December 2001524728

1170DesertRomanian Online Contest December 20012541473

1171Lost in SpaceRomanian Online Contest December 20012841322

1172Ship RoutesRomanian Online Contest December 2001664577

1173Lazy SnailRomanian Online Contest December 20013631042

1174Weird PermutationsRomanian Online Contest December 2001593645

1175Strange SequenceUSU Personal Contest 2002417914

1176HyperchannelsUSU Personal Contest 20021024377

1177Like ComparisonsUSU Personal Contest 20022911296

1178Akbardin’s RoadsUSU Personal Contest 20022642147

1179Numbers in TextUSU Personal Contest 20021417273

1180Stone GameUSU Personal Contest 2002442288

1181Cutting a Painted PolygonUSU Personal Contest 2002904427

1182Team Them Up!NEERC 2001755510

1183Brackets SequenceNEERC 20011770219

1184Cable MasterNEERC 20011323293

1185WallNEERC 20011152336

1186Chemical ReactionsNEERC 2001578664

1187Statistical TroubleNEERC 20011871983

1188LibraryNEERC 20011782077

1189Pairs of IntegersNEERC 2001822469

1190Bar of ChocolateSpring School Contest 20021241312

1191Catch the thief!Spring School Contest 20021616240

1192Ball in a DreamSpring School Contest 20023406114

1193Queue at the ExamSpring School Contest 20022169179

1194HandshakesSpring School Contest 2002478381

1195Ouths and CrossesSpring School Contest 20021499259

1196History ExamSpring School Contest 2002611264

1197Lonesome KnightSpring School Contest 20021212132

1198Jobbery656621

1199Mouse873714

1200Horns and HoofsUSU Local Contest. March 20021815214

1201Which Day Is It?USU Local Contest. March 20021150337

1202Rectangles TravelUSU Local Contest. March 2002897431

1203Scientific ConferenceUSU Local Contest. March 20023762104

1204IdempotentsUSU Local Contest. March 20021650235

1205By the Underground or by Foot?USU Local Contest. March 20021614241

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023197122

1207Median on the PlaneUSU Local Contest. March 20022071188

1208Legendary Teams ContestUSU Local Contest. March 20022000194

12091, 10, 100, 1000...Autumn School Contest 2002920943

1210Kind SpiritsAutumn School Contest 20022526156

1211Collective GuaranteeAutumn School Contest 20021420276

1212BattleshipAutumn School Contest 2002779501

1213Cockroaches!Autumn School Contest 20022304171

1214Strange ProcedureAutumn School Contest 20023850102

1215Exactness of Projectile HitAutumn School Contest 20021278307

1216Two Pawns and One KingUSU Championship 20021921958

1217Unlucky TicketsUSU Championship 2002991395

1218Episode N-th: The Jedi TournamentUSU Championship 20021157339

1219Symbolic SequenceUSU Championship 20023283120

1220StacksUSU Championship 20021447271

1221Malevich Strikes Back!USU Championship 2002945414

1222Chernobyl’ EaglesUSU Championship 20022791141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021131347

1224SpiralNEERC 2002 Central Subregional547872

1225FlagsNEERC 2002 Central Subregional876745

1226esreveR redrONEERC 2002 Central Subregional3368117

1227Rally ChampionshipNEERC 2002 Central Subregional1238317

1228ArrayNEERC 2002 Central Subregional3753105

1229Strong BrickworkNEERC 2002 Central Subregional1026382

1230Introspective ProgramNEERC 2002 Central Subregional547710

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1832050

1232Asteroid LandingNEERC 2002 Central Subregional1762128

1233Amusing NumbersNEERC 2002431899

1234BricksNEERC 2002598652

1235Cricket FieldNEERC 2002516754

1236Decoding TaskNEERC 2002810483

1237Evacuation PlanNEERC 2002430903

1238FoldingNEERC 2002841466

1239Ghost BustersNEERC 20021382679

1240Heroes of Might and MagicNEERC 20022791372

1241Inlay CuttersNEERC 20022431569

1242WerewolfUSU Personal Contest 20031720230

1243Divorce of the Seven DwarfsUSU Personal Contest 2003710256

1244GentlemenUSU Personal Contest 20031403282

1245PicturesUSU Personal Contest 2003431903

1246Tethered DogUSU Personal Contest 20031095360

1247Check a SequenceUSU Personal Contest 20031611246

1248Sequence SumUSU Personal Contest 2003611641

1249Ancient NecropolisUSU Local Contest. March 20031887210

1250Sea BurialUSU Local Contest. March 2003554707

1251Cemetery ManagerUSU Local Contest. March 20032501533

1252Sorting the TombstonesUSU Local Contest. March 2003955413

1253NecrologuesUSU Local Contest. March 2003597656

1254Die HardUSU Local Contest. March 2003608645

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031490266

1256Cemetery GuardUSU Local Contest. March 20031632303

1257HyphenationAutumn School Contest 20032291685

1258PoolAutumn School Contest 2003915435

1259How to Become Star?Autumn School Contest 20031037385

1260Nudnik PhotographerAutumn School Contest 20033161127

1261TipsAutumn School Contest 20031116358

1262Pseudo-Roman NumberAutumn School Contest 20031112359

1263ElectionsAutumn School Contest 2003831448

1264WorkdaysAutumn School Contest 20031345030

1265MirrorUSU Championship 20032711434

1266Kirchhoff's LawUSU Championship 20032701439

1267Yekaterinburg SubwayUSU Championship 20031852067

1268Little ChuUSU Championship 2003486813

1269Obscene Words FilterUSU Championship 2003483817

1270UnicubeUSU Championship 20031652303

1271Sailing DirectionsUSU Championship 2003814429

1272Non-Yekaterinburg SubwayUSU Championship 20032333172

1273TieUSU Championship 2003835477

1274Fractional ArithmeticNEERC 2003 Central Subregional565701

1275Knights of the Round TableNEERC 2003 Central Subregional1502521

1276TrainNEERC 2003 Central Subregional485815

1277Cops and ThievesNEERC 2003 Central Subregional454869

1278“… Connecting People”NEERC 2003 Central Subregional414951

1279WarehouseNEERC 2003 Central Subregional1031387

1280Topological SortingNEERC 2003 Central Subregional2422166

1281River BasinNEERC 2003 Central Subregional2881353

1282Game TreeNEERC 2003 Central Subregional1134353

1283DwarfUSU Personal Contest 20043150128

1284Space PokerUSU Personal Contest 20041662304

1285Thread in a HyperspaceUSU Personal Contest 2004426930

1286Starship TravelUSU Personal Contest 2004586680

1287Mars CanalsUSU Personal Contest 20041006399

1288AstrolocationUSU Personal Contest 20041842090

1289One Way TicketUSU Personal Contest 20041031389

1290SabotageSpring School Contest 2004484584

1291Gear-wheelsSpring School Contest 2004961418

1292Mars Space StationsSpring School Contest 20041108363

1293EniyaSpring School Contest 20041935021

1294Mars SatellitesSpring School Contest 20041264318

1295Crazy NotionsSpring School Contest 20042509161

1296HyperjumpSpring School Contest 20043724109

1297PalindromeSpring School Contest 2004432394

1298KnightSpring School Contest 20041585254

1299PsyloniansSpring School Contest 20042731434

1300TaxesUral Championship 19981462602

1301Cube in LabyrinthUral Championship 1998559713

1302Delta-waveUral Championship 19981232327

1303Minimal CoverageUral Championship 19981677241

1304ParallelepipedUral Championship 19982111837

1305Convex HullUral Championship 1998562710

1306Sequence MedianUral Championship 19982547159

1307ArchiverUral Championship 2004. Round 13241216

1308Dean's PyramidUral Championship 2004. Round 11462604

1309DisputeUral Championship 2004. Round 1655611

1310ACM DiagnosticsUral Championship 2004. Round 13171242

1311Stable ConstructionUral Championship 2004. Round 13791044

1312TrayUral Championship 2004. Round 11422673

1313Some Words about SportUral Championship 2004. Round 1986941

1314Chase in SubwayUral Championship 2004. Round 1752533

1315MDPAR and MIIARUral Championship 2004. Round 11892042

1316Electronic AuctionUral Championship 2004. Round 1842477

1317HailUral Championship 2004. Round 23631089

1318LogarithmUral Championship 2004. Round 22841382

1319HotelUral Championship 2004. Round 2917644

1320Graph DecompositionUral Championship 2004. Round 21238326

1321Floor IndicatorUral Championship 2004. Round 23081278

1322SpyUral Championship 2004. Round 2801501

1323ClassmatesUral Championship 2004. Round 2498800

1324Extra SpacesUral Championship 2004. Round 2443897

1325DirtUral Championship 2004. Round 2659607

1326Bottle TapsUral Championship 2004. Round 2835481

1327FusesAutumn School Contest 2004768753

1328FireballAutumn School Contest 20042991326

1329Galactic HistoryAutumn School Contest 2004839482

1330IntervalsAutumn School Contest 20043718110

1331VladislavaAutumn School Contest 2004402994

1332Genie BomberAutumn School Contest 2004638632

1333Genie Bomber 2Autumn School Contest 20041772230

1334CheckersAutumn School Contest 2004769526

1335White ThesisAutumn School Contest 20042301177

1336Problem of Ben BetsalelAutumn School Contest 20043193128

1337BureaucracyAutumn School Contest 20042491582

1338AutomobilesUSU Championship 20042261744

1339BabiesUSU Championship 2004418962

1340CucarachaUSU Championship 2004804574

1341DeviceUSU Championship 20043641101

1342EnterpriseUSU Championship 2004470858

1343Fairy TaleUSU Championship 20041006405

1344Gigantic TurnipUSU Championship 2004804574

1345HTMLUSU Championship 20042781429

1346Intervals of MonotonicityUSU Championship 20041186344

1347BlogSpring School Contest 20052731456

1348Goat in the Garden 2Spring School Contest 20051999205

1349FarmSpring School Contest 2005710658

1350CanteenSpring School Contest 2005992411

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005726560

1352Mersenne PrimesSpring School Contest 20053007137

1353Milliard Vasya's FunctionSpring School Contest 20053363122

1354Palindrome. Again PalindromeSpring School Contest 20052429169

1355Bald Spot RevisitedSpring School Contest 20051712239

1356Something EasierSpring School Contest 20051060385

1357Teakettle 1.0 for DummiesSpring School Contest 20053421171

1358CablesSpring School Contest 2005675602

1359ConstructionSpring School Contest 20053281219

1360Philosophical DisputeUral Championship 2005. Round 22951353

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21752230

1362Classmates 2Ural Championship 2005. Round 2745546

1363HalftonesUral Championship 2005. Round 2506876

1364LaraKillerUral Championship 2005. Round 2435927

1365Testing CalculatorUral Championship 2005. Round 2695223

1366PresentsUral Championship 2005. Round 2763534

1367Top SecretUral Championship 2005. Round 21233102

1368Goat in the Garden 3Ural Championship 2005. Round 21662344

1369Cockroach RaceUral Championship 2005. Round 21914227

1370MagicianUral Championship 2005. Round 2413899

1371Cargo AgencyUral Championship 2005. Round 1622655

1372Death StarUral Championship 2005. Round 1655523

1373Pictura ex MachinaUral Championship 2005. Round 1471861

1374MisereUral Championship 2005. Round 12711195

1375Bill CleversUral Championship 2005. Round 1716571

1376Dean's Pyramid 2Ural Championship 2005. Round 1369004

1377Lara CroftUral Championship 2005. Round 11400294

1378Artificial IntelligenceUral Championship 2005. Round 12251763

1379Cups TransportationUral Championship 2005. Round 1496819

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest963908

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1123396

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest1942031

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2212946

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest675380

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1678245

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3441170

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2451625

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1318012

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest532764

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2810902

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest715115

1392Dreaming of Stars523777

1393Average Common Prefix3031307

1394Ships. Version 2527621

1395Pascal vs. C++. Version 21212976

1396Maximum. Version 21832012

1397Points Game1712056

1398Bishop and Pawn361971

1399Economical Director2310912

1400Cellular CharactersAutumn School Contest 2005748546

1401GamersAutumn School Contest 2005840487

1402CocktailsAutumn School Contest 20052919141

1403CourierAutumn School Contest 20051099374

1404Easy to Hack!Autumn School Contest 2005484985

1405Goat in the Garden 5Autumn School Contest 2005549741

1406Next NumberAutumn School Contest 20051200342

1407One-two, One-twoAutumn School Contest 20051030398

1408Polynomial MultiplicationAutumn School Contest 20053401184

1409Two GangstersAutumn School Contest 20051859822

1410CrackUSU Championship 2005905451

141140 Islands KnightsUSU Championship 20051263033

1412Autumn TideUSU Championship 20052691478

1413Mars JumperUSU Championship 20052307178

1414Astronomical DatabaseUSU Championship 2005760536

1415Mobile LifeUSU Championship 20052611452

1416ConfidentialUSU Championship 2005944432

1417Space Poker 2USU Championship 20052101875

1418Military StoryUSU Championship 2005411980

1419Maps of the Island WorldsUSU Championship 20052811417

1420Integer-Valued Complex DivisionUSU Championship 20052301719

1421Credit OperationsTimus Top Coders: First Challenge689571

1422FirefliesTimus Top Coders: First Challenge417935

1423String TaleTimus Top Coders: First Challenge2010198

1424MinibusTimus Top Coders: First Challenge506774

1425Queen 2Timus Top Coders: First Challenge2071840

1426RectanglesTimus Top Coders: First Challenge695054

1427SMSTimus Top Coders: First Challenge992398

1428Jedi RiddleTimus Top Coders: First Challenge818482

1429BiscuitsTimus Top Coders: First Challenge1133246

1430Crime and PunishmentTimus Top Coders: First Challenge794497

1431DiplomasUSU Personal Contest 20061126350

1432Twofold LuckUSU Personal Contest 2006398112

1433DiamondsUSU Personal Contest 20061559253

1434Buses in VasyukiUSU Personal Contest 20063471113

1435Financial ErrorUSU Personal Contest 2006402965

1436BillboardUSU Personal Contest 2006460846

1437Gasoline StationUSU Personal Contest 2006695564

1438Time Limit ExceededUSU Personal Contest 20061153180

1439Battle with You-Know-WhoUral Championship 2006744522

1440Training ScheduleUral Championship 2006551702

1441From the History of Gringotts BankUral Championship 20062601459

1442Floo PowderUral Championship 20061163126

1443RailsUral Championship 2006571678

1444ElephpotamusUral Championship 20063401125

1445Christmas giftsUral Championship 2006647600

1446Sorting HatUral Championship 2006406097

1447Portkey NetworkUral Championship 20063371135

1448Lighting in HogwartsUral Championship 2006689564

1449Credit Operations 2Timus Top Coders: Second Challenge2621436

1450Russian PipelinesTimus Top Coders: Second Challenge1148337

1451Beerhouse TaleTimus Top Coders: Second Challenge387984

1452Pascal vs. C++Timus Top Coders: Second Challenge591650

1453QueenTimus Top Coders: Second Challenge3141206

1454Rectangles 2Timus Top Coders: Second Challenge1402604

1455Freedom of SpeechTimus Top Coders: Second Challenge1931924

1456Jedi Riddle 2Timus Top Coders: Second Challenge472810

1457Heating MainTimus Top Coders: Second Challenge548871

1458War GamesTimus Top Coders: Second Challenge3221177

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2041762

1460WiresPetrozavodsk Winter 2006. USU Contest774334

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3591022

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest425867

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest510725

1464LightPetrozavodsk Winter 2006. USU Contest1202900

1465Pawn GamePetrozavodsk Winter 2006. USU Contest647574

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1023366

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2971228

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest450808

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2781291

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1286287

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1367270

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3101162

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest654959

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest516707

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest724535

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2341524

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1242775

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest784226

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest525998

1480CouponsUSU Championship 2006859426

1481Winning ChancesUSU Championship 20061492329

1482Triangle GameUSU Championship 20061142987

1483Table FootballUSU Championship 20061022359

1484Film RatingUSU Championship 2006494735

1485Football and LieUSU Championship 20062181624

1486Equal SquaresUSU Championship 2006534681

1487Chinese FootballUSU Championship 20062831264

1488ACM PokerUSU Championship 20062231589

1489Points on a ParallelepipedAutumn School Contest 2006924396

1490Fire CircleAutumn School Contest 20061700216

1491Unreal StoryAutumn School Contest 20061648223

1492Vasya's Dad 2Autumn School Contest 20061901848

1493One Step from HappinessAutumn School Contest 2006656956

1494MonobilliardsAutumn School Contest 20061751210

1495One-two, One-two 2Autumn School Contest 2006980373

1496SpammerAutumn School Contest 2006612960

1497Cutting a SquareAutumn School Contest 20061237296

1498Stroke at Full SpeedAutumn School Contest 2006413874

1499KerchiefsAutumn School Contest 20062601369

1500Pass LicensesNEERC 2006 Eastern Subregional533677

1501Sense of BeautyNEERC 2006 Eastern Subregional1253291

1502Domino DotsNEERC 2006 Eastern Subregional457580

1503PolynomialNEERC 2006 Eastern Subregional1831906

1504Good MannersNEERC 2006 Eastern Subregional1582190

1505Oil TransferNEERC 2006 Eastern Subregional1192852

1506Columns of NumbersNEERC 2006 Eastern Subregional2191167

1507Difficult DecisionNEERC 2006 Eastern Subregional865420

1508Japanese PuzzleNEERC 2006 Eastern Subregional2001752

1509Domino RecognitionNEERC 2006 Eastern Subregional943537

1510OrderNEERC 2006 Eastern Subregional392194

1511Fiscal OperationsTimus Top Coders: Third Challenge3051150

1512ZiniumTimus Top Coders: Third Challenge455779

1513Lemon TaleTimus Top Coders: Third Challenge847423

1514National ParkTimus Top Coders: Third Challenge1921793

1515CashmasterTimus Top Coders: Third Challenge1647219

1516NostalgiaTimus Top Coders: Third Challenge2001724

1517Freedom of ChoiceTimus Top Coders: Third Challenge1052341

1518Jedi Riddle 3Timus Top Coders: Third Challenge3381041

1519Formula 1Timus Top Coders: Third Challenge837427

1520Empire Strikes BackTimus Top Coders: Third Challenge1322550

1521War Games 2Timus Top Coders: Third Challenge1092329

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1841828

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest951369

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1713134

1525PathPetrozavodsk Winter 2007. D.Gozman Contest720486

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2361442

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2501364

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1368257

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764124

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest386896

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2631299

1532Lost in TranslationUSU Personal Contest 20071721940

1533Fat HobbitsUSU Personal Contest 20072811214

1534Football in GondorUSU Personal Contest 2007631551

1535The Hobbit or There and Back AgainUSU Personal Contest 2007754462

1536Delights of Pipe-weedUSU Personal Contest 2007387357

1537EntsUSU Personal Contest 20071254279

1538Towers of GuardUSU Personal Contest 20072691266

1539Intelligence DataUSU Personal Contest 20073361021

1540Battle for the RingUSU Personal Contest 20073021132

1541ChaseUSU Personal Contest 20071602077

1542AutocompletionUral Championship 2007532641

1543Dance RevolutionUral Championship 20071512159

1544Classmates 3Ural Championship 20072861174

1545HieroglyphsUral Championship 2007568261

1546Japanese SortingUral Championship 20072641268

1547Password SearchUral Championship 2007412824

1548Sakura and StatisticsUral Championship 2007621720

1549Another Japanese PuzzleUral Championship 20071542119

1550Dean's Pyramid 3Ural Championship 2007590579

1551Sumo TournamentUral Championship 20071144301

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2551246

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest620524

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest528614

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712226

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269170

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1771765

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest414779

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813628

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3191003

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1192559

1562GM-pineappleUSU Championship 2007825393

1563BayanUSU Championship 2007480568

1564Counting OnesUSU Championship 2007478673

1565The Duel for ThreeUSU Championship 20071941611

1566Triangular PostcardsUSU Championship 20071072808

1567SMS-spamUSU Championship 2007747844

1568Train Car SortingUSU Championship 20071951603

1569Networking the “Iset”USU Championship 2007321993

1570Eating HighUSU Championship 20073051043

1571InterpretersUSU Championship 2007773420

1572Yekaterinozavodsk Great WellAutumn School Contest 20072124154

1573AlchemyAutumn School Contest 20072996109

1574Mathematicians and bracketsAutumn School Contest 2007885366

1575Yekaterinburg Subway 2Autumn School Contest 2007342931

1576Telephone TariffsAutumn School Contest 20072227147

1577E-mailAutumn School Contest 2007630512

1578Mammoth HuntAutumn School Contest 2007363879

1579Coat TransportationAutumn School Contest 2007650497

1580Dean's DebtsAutumn School Contest 2007350911

1581TeamworkAutumn School Contest 2007724845

1582BookmakersNEERC 2007 Eastern Subregional2783117

1583CheeseNEERC 2007 Eastern Subregional1821699

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2531240

1585PenguinsNEERC 2007 Eastern Subregional666049

1586Threeprime NumbersNEERC 2007 Eastern Subregional1855175

1587Flying PigNEERC 2007 Eastern Subregional401794

1588JamaicaNEERC 2007 Eastern Subregional1015318

1589SokobanNEERC 2007 Eastern Subregional325093

1590Bacon’s CipherNEERC 2007 Eastern Subregional1236262

1591Abstract ThinkingNEERC 2007 Eastern Subregional317998

1592Chinese WatchesNEERC 2007 Eastern Subregional547586

1593Square Country. Version 2347774

1594Aztec Treasure474642

1595Perfect Sequence2091207

1596Knight Mare146999

1597Chernobyl’ Eagle on a Roof. Version 2193147

1598DSA Attack143715

1599Winding Number162267

1600AirportUSU Personal Contest 2008583527

1601AntiCAPSUSU Personal Contest 2008337992

1602ElevatorUSU Personal Contest 2008744414

1603EruditeUSU Personal Contest 20081252248

1604Country of FoolsUSU Personal Contest 2008925334

1605Devil's SequenceUSU Personal Contest 2008552556

1606SlalomUSU Personal Contest 2008468654

1607TaxiUSU Personal Contest 2008535158

1608Lucky Tickets 2008Ural Championship 2008340884

1609Tram TileUral Championship 20081042713

1610CactusesUral Championship 20081651767

1611DecimationUral Championship 2008422716

1612Tram ForumUral Championship 20082142144

1613For Fans of StatisticsUral Championship 20081829168

1614National Project “Trams”Ural Championship 2008400754

1615Tram SolitaireUral Championship 20081581841

1616Square Country 4Ural Championship 2008783514

1617Flat SpotsUral Championship 2008453768

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest445450

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest467617

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2051369

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest465255

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823199

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest833164

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356540

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest305934

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268175

1627JoinPetrozavodsk Winter 2008. ITMO Contest2491136

1628White StreaksUSU Championship 2008574494

1629TripUSU Championship 2008395712

1630TalismanUSU Championship 2008317882

1631Drunk King 2USU Championship 2008727391

1632LasersUSU Championship 2008703606

1633HippogriffsUSU Championship 2008406693

1634Spider MiteUSU Championship 20081371962

1635Mnemonics and PalindromesUSU Championship 20081288222

1636Penalty TimeUSU Championship 2008457663

1637Triangle Game 2USU Championship 2008912856

1638BookwormUSU Championship 2008344284

1639Chocolate 2Autumn School Contest 2008795636

1640Circle of WinterAutumn School Contest 20081621176

1641DutiesAutumn School Contest 2008641441

16421D MazeAutumn School Contest 2008299895

1643Attack of the Dark FortressAutumn School Contest 2008630448

1644A Whole Lot of WalnutsAutumn School Contest 2008293098

1645Ski RaceAutumn School Contest 20081491191

1646Godzilla Strikes Back!Autumn School Contest 2008359778

1647Divide an Island!Autumn School Contest 2008355786

1648YachtsAutumn School Contest 2008828343

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional356362

1650BillionairesNEERC 2008 Eastern Subregional488575

1651Shortest SubchainNEERC 2008 Eastern Subregional800353

1652Banking CrisisNEERC 2008 Eastern Subregional1162272

1653Death ConveyorNEERC 2008 Eastern Subregional316982

1654Cipher MessageNEERC 2008 Eastern Subregional430866

1655Somali PiratesNEERC 2008 Eastern Subregional1142309

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1510188

1657Cube SnakeNEERC 2008 Eastern Subregional2111295

1658Sum of DigitsNEERC 2008 Eastern Subregional1067266

1659Regular TrianglesNEERC 2008 Eastern Subregional463605

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366113

1661DodecahedronPetrozavodsk Winter 2008. USU Contest574196

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554326

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest892840

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1272052

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest692401

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2351148

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1331966

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356248

1669Universal WordPetrozavodsk Winter 2008. USU Contest2111272

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551691

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1567177

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1610730

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1431824

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336488

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1301993

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1591651

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1351924

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219000

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2581041

1680The First NonqualifyingUSU Personal Contest 20091386196

1681Brother Bear's GardenUSU Personal Contest 2009822978

1682Crazy ProfessorUSU Personal Contest 2009464578

1683FridgeUSU Personal Contest 20092122128

1684Jack's Last WordUSU Personal Contest 20091010269

1685OrthographyUSU Personal Contest 20091534177

1686Photovoltaic SpaceshipUSU Personal Contest 20092041280

1687Numismatics for FunUSU Personal Contest 20092421087

1688Team.GOV!USU Personal Contest 20092117129

1689Fisherman and BarbellUSU Personal Contest 2009334796

1690Army of MagesPetrozavodsk Winter 2009. USU Contest439607

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest763169

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest817330

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1510900

1694Killer WordsPetrozavodsk Winter 2009. USU Contest852868

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest862839

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest286921

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest474781

1698Square Country 5Petrozavodsk Winter 2009. USU Contest474563

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2301135

1700AwakeningUral Championship 2009620429

1701Ostap and PartnersUral Championship 2009441599

1702CrossroadUral Championship 20091411790

1703Robotic ArmUral Championship 20091242018

1704DemodulationUral Championship 2009912677

1705Gangster HaresUral Championship 2009317827

1706Cipher Message 2Ural Championship 2009449589

1707Hypnotoad's SecretUral Championship 20091531659

1708Sum of Digits 2Ural Championship 20091212286

1709Penguin-AviaUral Championship 20091684160

1710Boris, You Are Wrong!Ural Championship 2009462573

1711Code NamesNEERC 2009 Eastern Subregional2071121

1712Cipher GrilleNEERC 2009 Eastern Subregional325677

1713Key SubstringsNEERC 2009 Eastern Subregional430571

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional862617

1715Another Ball KillerNEERC 2009 Eastern Subregional283858

1716Alternative SolutionNEERC 2009 Eastern Subregional308790

1717Eligibility RulesNEERC 2009 Eastern Subregional942416

1718RejudgeNEERC 2009 Eastern Subregional964258

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1881269

1720Summit Online JudgeNEERC 2009 Eastern Subregional297818

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional493500

1722Observation DeckUral Regional School Programming Contest 20092271057

1723Sandro's BookUral Regional School Programming Contest 2009372267

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009372656

1725Sold Out!Ural Regional School Programming Contest 20091891132

1726VisitsUral Regional School Programming Contest 2009900275

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091417176

1728Curse on Team.GOVUral Regional School Programming Contest 2009530464

1729Dead Man's ChestUral Regional School Programming Contest 2009480511

1730ManBearPigUral Regional School Programming Contest 2009254949

1731DillUral Regional School Programming Contest 2009255698

1732Ministry of TruthUSU Championship 2009596411

1733Forgotten TechnologyUSU Championship 2009603558

1734Endgame DatabaseUSU Championship 20091371694

1735Theft of the CenturyUSU Championship 2009942395

1736Chinese HockeyUSU Championship 20092001186

1737Mnemonics and Palindromes 3USU Championship 20091097225

1738Computer SecurityUSU Championship 2009300803

1739FaryuksUSU Championship 2009902491

1740Deer is Better!USU Championship 20091737143

1741Communication FiendUSU Championship 2009885278

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest804296

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest259895

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1171896

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest254912

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1571442

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1971164

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest855278

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1331684

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2111090

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest693049

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest616385

1753BookshelfUSU Personal Contest 2010805290

1754Explosion in a PyramidUSU Personal Contest 2010451512

1755CakeUSU Personal Contest 2010338678

1756One and a Half DiggersUSU Personal Contest 20101495157

1757Gold BarsUSU Personal Contest 20101171859

1758Bald Spot Revisited 2USU Personal Contest 2010912337

1759Long-LiversUSU Personal Contest 2010616377

1760Infernal WorkUSU Personal Contest 2010413558

1761Binary PalindromeUSU Personal Contest 2010246922

1762Search for a Hiding-PlaceUSU Personal Contest 20101581405

1763Expert FleaUral Championship 2010384859

1764TranssibUral Championship 20101361597

1765Error 404Ural Championship 2010543644

1766Humpty DumptyUral Championship 20101821215

1767The House of Doctor DeeUral Championship 2010378601

1768Circular StringsUral Championship 20102201014

1769Old Ural LegendUral Championship 20101318176

1770The Party of Ural ChampionsUral Championship 20101461495

1771A Deputy's MorningUral Championship 2010384858

1772Ski-Trails for RobotsUral Championship 2010327692

1773Metro to Every HomeUral Championship 2010326694

1774Barber of the Army of MagesUral SU Championship 2010535396

1775Space BowlingUral SU Championship 2010282739

1776Anniversary FireworkUral SU Championship 2010472448

1777AnindilyakwaUral SU Championship 20101999107

1778Chinese Hockey 2Ural SU Championship 2010463853

1779The Great TeamUral SU Championship 2010810263

1780Gray CodeUral SU Championship 2010291717

1781Clean CodeUral SU Championship 20101001962

1782Jack's New WordUral SU Championship 20101221635

1783Nuclear Arms RaceUral SU Championship 2010565375

1784RoundersUral SU Championship 2010214963

1785Lost in LocalizationUral Regional School Programming Contest 20101166818

1786Sandro's BiographyUral Regional School Programming Contest 2010219198

1787Turn for MEGAUral Regional School Programming Contest 2010736229

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101530140

1789Searching for the DodecahedronUral Regional School Programming Contest 20101177181

1790Searching for the TruthUral Regional School Programming Contest 20101881086

1791Uncle Styopa and BusesUral Regional School Programming Contest 20101961044

1792Hamming CodeUral Regional School Programming Contest 2010287575

1793Tray 2Ural Regional School Programming Contest 2010669317

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101256170

1795Husband in a ShopUral Regional School Programming Contest 2010929229

1796Amusement ParkUral Regional School Programming Contest 2010227794

1797Summit Online Judge. Version 2214850

1798Fire Circle. Version 2152529

1799Sasha and swag strings34517

1800Murphy's LawNEERC 2010 Eastern Subregional1204176

1801The Revolution CupNEERC 2010 Eastern Subregional325090

1802Cube PuzzleNEERC 2010 Eastern Subregional1311516

1803The Czechs' RiflesNEERC 2010 Eastern Subregional373558

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional689306

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional270764

1806Mobile TelegraphsNEERC 2010 Eastern Subregional363573

1807Cartridges for MaximNEERC 2010 Eastern Subregional1651222

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1421406

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional451464

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543205

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1671159

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872114

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1621192

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest662699

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523308

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1011848

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest230855

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1211566

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest216616

1820Ural SteaksUSU Personal Contest 2011742927

1821BiathlonUSU Personal Contest 20111355147

1822Hugo II's WarUSU Personal Contest 2011347562

1823Ideal GasUSU Personal Contest 2011746265

1824Ifrit BomberUSU Personal Contest 2011226850

1825Ifrit Bomber 2USU Personal Contest 2011266727

1826MinefieldUSU Personal Contest 2011836237

1827Indigenous WarsUSU Personal Contest 2011204937

1828Approximation by a ProgressionUSU Personal Contest 2011544362

1829Routing TablesUSU Personal Contest 2011722446

1830Help in the RNOSUral Championship 2011266713

1831Tsyfirkin's LessonUral Championship 20111031741

1832Arirang ShowUral Championship 2011269705

1833Hopes of RowingUral Championship 2011792210

1834Tennis RacketUral Championship 2011513224

1835Swamp DoctorUral Championship 2011742341

1836Babel FishUral Championship 2011209898

1837Isenbaev's NumberUral Championship 2011310763

1838Samurai's StrokeUral Championship 2011349548

1839The MentaculusUral Championship 2011882007

1840Victim of AdvertisingUral Championship 2011138551

1841CablewaysPetrozavodsk Summer 2010. USU Contest981701

1842Local RootsPetrozavodsk Summer 2010. USU Contest215925

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest572741

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1501148

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest423532

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1033176

1847ZamkadyePetrozavodsk Summer 2010. USU Contest403674

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235566

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest981701

1850Space TourismPetrozavodsk Summer 2010. USU Contest732213

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest1111513

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest891850

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest235549

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest476377

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1541117

1856War and PeacePetrozavodsk Summer 2011. USU Contest532907

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest179969

1858Magic CubePetrozavodsk Summer 2011. USU Contest503052

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest582693

1860FiborialPetrozavodsk Summer 2011. USU Contest453396

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest281629

1862Very Wealthy MoleUral FU Championship 20111641041

1863Peaceful AtomUral FU Championship 2011186925

1864Get-Together at Den'sUral FU Championship 20111229146

1865The Island of MärketUral FU Championship 2011592626

1866Poetic FootUral FU Championship 2011286612

1867NanotechnologiesUral FU Championship 2011762107

1868Prediction ContestUral FU Championship 20111381130

1869New Year CruiseUral FU Championship 2011969185

1870Zinium 2Ural FU Championship 2011349505

1871Seismic WavesUral FU Championship 2011348506

1872Spacious OfficeUral FU Championship 2011254686

1873GOV ChroniclesUral Regional School Programming Contest 20111680107

1874Football GoalUral Regional School Programming Contest 20111080166

1875Angry BirdsUral Regional School Programming Contest 2011232746

1876Centipede's MorningUral Regional School Programming Contest 2011353151

1877Bicycle CodesUral Regional School Programming Contest 2011806722

1878Rubinchik's CubeUral Regional School Programming Contest 20111091164

1879GOV-internship 2Ural Regional School Programming Contest 20111641038

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011563932

1881Long problem statementUral Regional School Programming Contest 2011333954

1882Old NokiaUral Regional School Programming Contest 2011662376

1883Ent's BirthdayUral Regional School Programming Contest 2011184931

1884Way to the UniversityUral Regional School Programming Contest 2011367479

1885Passenger ComfortNEERC 2011 Eastern Subregional912195

1886Trip 2NEERC 2011 Eastern Subregional1041578

1887Frequent Flyer CardNEERC 2011 Eastern Subregional175973

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional467377

1889Airport AnnouncementsNEERC 2011 Eastern Subregional755235

1890Money out of Thin AirNEERC 2011 Eastern Subregional389451

1891Language OceanNEERC 2011 Eastern Subregional344508

1892Morning in KoltsovoNEERC 2011 Eastern Subregional285610

1893A380NEERC 2011 Eastern Subregional326755

1894Non-Flying WeatherNEERC 2011 Eastern Subregional991651

1895Steaks on BoardNEERC 2011 Eastern Subregional622499

1896War Games 2.1102099

1900Brainwashing DeviceUral Championship 2012328440

1901Space ElevatorsUral Championship 2012402361

1902Neo-VeniceUral Championship 2012162491

1903Unidentified ShipsUral Championship 2012229622

1904The Lessons of the PastUral Championship 2012456319

1905Travel in TimeUral Championship 2012164854

1906The Lost CivilizationUral Championship 2012165717

1907Coffee and BunsUral Championship 2012143972

1908Brute-force SearchUral Championship 2012861548

1909Space ReconUral Championship 2012373163

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional430534

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional462644

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional201702

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1211130

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional363218

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional910161

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional642001

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional864169

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional220644

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional961397

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional309464

1921Chaos and OrderUral Regional School Programming Contest 2012151916

1922Superhero TeamUral Regional School Programming Contest 2012613237

1923Scary PoliticsUral Regional School Programming Contest 2012375383

1924Four ImpsUral Regional School Programming Contest 2012399437

1925British Scientists Save the WorldUral Regional School Programming Contest 2012239461

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012198709

1927Herbs and MagicUral Regional School Programming Contest 2012170819

1928Another Ecology ProblemUral Regional School Programming Contest 2012261544

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012538269

1930Ivan's CarUral Regional School Programming Contest 2012818178

1931Excellent TeamUral FU Championship 20121042139

1932The Secret of IdentifierUral FU Championship 2012209668

1933Guns for Battle!Ural FU Championship 2012510281

1934Black SpotUral FU Championship 2012467307

1935Tears of DrownedUral FU Championship 2012189977

1936RoshamboUral FU Championship 2012171808

1937Davy Jones’s OrganUral FU Championship 2012143956

1938Caribbean TriangleUral FU Championship 2012353249

1939First SealUral FU Championship 2012238590

1940Not So Simple YearsUral FU Championship 2012214653

1941Scary Martian WordUral FU Personal Contest 2012441313

1942Attack at the OrbitUral FU Personal Contest 2012324423

1943Space RummyUral FU Personal Contest 2012207651

1944Record of the Attack at the OrbitUral FU Personal Contest 2012808173

1945Many-armed BrothersUral FU Personal Contest 2012552174

1946Chinese Hockey 3Ural FU Personal Contest 20121021262

1947MeanderUral FU Personal Contest 20121001285

1948The Robot on the LineUral FU Personal Contest 2012144918

1949The Best Picture in the GalaxyUral FU Personal Contest 2012137961

1950Martian FarmlandsUral FU Personal Contest 2012901413

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup931237

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup49099

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup761482

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup243748

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup332963

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup861327

1957MundialPetrozavodsk Winter 2013. Kontur Cup332963

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup332963

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup173696

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup237516

1961Cantonese DialectUral FU Personal Contest 2013177678

1962In Chinese RestaurantUral FU Personal Contest 2013200604

1963KiteUral FU Personal Contest 2013321383

1964Chinese DialectsUral FU Personal Contest 2013914137

1965Pear TreesUral FU Personal Contest 20131161007

1966Cycling RoadsUral FU Personal Contest 2013214566

1967Programmer CasinoUral FU Personal Contest 2013184529

1968Glass PyramidUral FU Personal Contest 2013991164

1969Hong Kong TramUral FU Personal Contest 2013561922

1970皇后像廣場Ural FU Personal Contest 2013122961

1971Graphics SettingsUral Championship 2013251472

1972Game TestingUral Championship 2013402465

1973Location GeneratorUral Championship 2013204108

1974Similar TunesUral Championship 2013154751

1975Model of the EarthUral Championship 2013293160

1976Game OptimizationUral Championship 2013123927

1977Energy WallUral Championship 2013521988

1978E-LiteUral Championship 2013402465

1979Resources DistributionUral Championship 2013124920

1980Road to InvestorUral Championship 2013233507

1981Parallel and PerpendicularUral FU Championship 2013425268

1982Electrification PlanUral FU Championship 2013858134

1983Nectar GatheringUral FU Championship 2013109981

1984Dummy GuyUral FU Championship 2013793145

1985Prime SquareUral FU Championship 2013941122

1986Paul’s SaladsUral FU Championship 2013147743

1987Nested SegmentsUral FU Championship 2013556206

1988Planet Ocean LandingUral FU Championship 2013143763

1989SubpalindromesUral FU Championship 2013378301

1990PodracingNEERC 2013 Eastern Subregional188586

1991The battle near the swampNEERC 2013 Eastern Subregional230050

1992CVSNEERC 2013 Eastern Subregional373303

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional768149

1994The Emperor's planNEERC 2013 Eastern Subregional171642

1995Illegal spicesNEERC 2013 Eastern Subregional304370

1996Cipher Message 3NEERC 2013 Eastern Subregional138785

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional328344

1998The old PadawanNEERC 2013 Eastern Subregional457249

1999The secret moduleNEERC 2013 Eastern Subregional213745

2000Grand Theft Array VUral Regional School Programming Contest 2013926123

2001Mathematicians and BerriesUral Regional School Programming Contest 2013393629

2002Test TaskUral Regional School Programming Contest 2013170967

2003Simple MagicUral Regional School Programming Contest 2013455247

2004Scientists from SpilkovoUral Regional School Programming Contest 2013209525

2005Taxi for ProgrammersUral Regional School Programming Contest 2013158772

2006Kirill the GardenerUral Regional School Programming Contest 2013372445

2007Mutants versus MachinesUral Regional School Programming Contest 2013901149

2008SwiftyUral Regional School Programming Contest 2013160676

2009Canteen LineUral Regional School Programming Contest 2013205535

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131138100

2011Long StatementUral Regional School Programming Contest 2013146578

2012About Grisha N.NEERC 2014 Eastern Subregional375323

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional156524

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional222375

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional450189

2016Magic and ScienceNEERC 2014 Eastern Subregional123955

2017Best of a bad lotNEERC 2014 Eastern Subregional100791

2018The Debut AlbumNEERC 2014 Eastern Subregional711121

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional508168

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional738116

2021Scarily interesting!NEERC 2014 Eastern Subregional324261

2022Riding a ToadNEERC 2014 Eastern Subregional371851

2023Donald is a postmanNEERC 2014 Eastern Subregional209641

2024Adventure TimeUral Regional School Programming Contest 2014398210

2025Line FightingUral Regional School Programming Contest 201490494

2026Dean and ScheduleUral Regional School Programming Contest 2014240344

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014268309

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014161502

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014213385

2030Awesome Backup SystemUral Regional School Programming Contest 2014211389

2031Overturned NumbersUral Regional School Programming Contest 2014108478

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014158511

2033DevicesUral Regional School Programming Contest 201488096

2034CaravansUral Regional School Programming Contest 2014303274

2035Another Dress RehearsalUral Regional School Programming Contest 2014124169

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest631153

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest82915

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest282215

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest94429

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest129605

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest411650

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84676

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest153366

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest153367

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest157504

2046The First Day at SchoolUral Championship 2015218309

2047MathsUral Championship 2015187358

2048HistoryUral Championship 2015129507

2049ChemistryUral Championship 2015123204

20503D-modelingUral Championship 2015391438

2051PhysicsUral Championship 2015202349

2052Physical EducationUral Championship 201583758

2053BiologyUral Championship 2015232136

2054AstronomyUral Championship 201583914

2055Urban GeographyUral Championship 2015541101

2056ScholarshipUral Championship 201571697

2057Non-palidromic cuttingPalindromic Contest 113093

2058100500 palidnromesPalindromic Contest 142706

2059Not common palindromesPalindromic Contest 341476

2060Subpalindrome pairsPalindromic Contest 85684

2061OEIS A216264Palindromic Contest 113093

2062Ambitious ExperimentUral Regional School Programming Contest 2015111472

2063Black and WhiteUral Regional School Programming Contest 2015139384

2064CaterpillarsUral Regional School Programming Contest 2015101515

2065Different SumsUral Regional School Programming Contest 2015283195

2066Simple ExpressionUral Regional School Programming Contest 2015115949

2067Friends and BerriesUral Regional School Programming Contest 2015227241

2068Game of NutsUral Regional School Programming Contest 201561891

2069Hard RockUral Regional School Programming Contest 2015359155

2070Interesting NumbersUral Regional School Programming Contest 2015259212

2071Juice CocktailsUral Regional School Programming Contest 2015125423

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015247222

2073Log FilesUral Regional School Programming Contest 2015371150

2074Timus problems classifierQualification of eastern subregional contest 201585497

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015171749

2076VasianaQualification of eastern subregional contest 201523936

2077ReductionsQualification of eastern subregional contest 201543374