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Problem set


1000A+B Problem9202816

1001Reverse Root2805615

1002Phone NumbersCentral European Olympiad in Informatics 19996406217

1003ParityCentral European Olympiad in Informatics 19993646381

1004Sightseeing TripCentral European Olympiad in Informatics 19992463564

1005Stone PileUSU Championship 19971603087

1006Square FramesUSU Championship 19971504919

1007Code WordsUSU Championship 19973640381

1008Image EncodingUSTU PhysTech Cup 20004035344

1009K-based NumbersUSU Championship 19971477394

1010Discrete FunctionUSTU PhysTech Cup 20005077273

1011ConductorsUSU Championship 19975899235

1012K-based Numbers. Version 28030173

1013K-based Numbers. Version 3918195

1014Product of DigitsUSU Local Contest. 19991404899

1015Test the Difference!USU Local Contest. 19993252425

1016Cube on the WalkUSU Local Contest. 19991781774

1017StaircasesUSU Local Contest. 19998946155

1018Binary Apple TreeUSU Local Contest. 19994812288

1019Line PaintingUSU Local Contest. 19993165437

1020RopeAutumn School Contest 200013575102

1021Sacrament of the SumAutumn School Contest 20009764142

1022Genealogical TreeAutumn School Contest 200010086137

1023ButtonsAutumn School Contest 20006759205

1024PermutationsAutumn School Contest 20004575302

1025Democracy in DangerAutumn School Contest 20002044768

1026Questions and AnswersAutumn School Contest 20009410147

1027D++ AgainAutumn School Contest 20002364584

1028StarsUral Championship 19995291261

1029MinistryUral Championship 19993547338

1030TitanicUral Championship 19991644835

1031Railway TicketsUral Championship 19993741368

1032Find a MultipleUral Championship 19994035298

1033LabyrinthUral Championship 19996007230

1034Queens in Peaceful PositionsUral Championship 19991794766

1035Cross-stitchUral Championship 199910381315

1036Lucky Tickets4664296

1037Memory ManagementUSU Championship 20001793759

1038Spell CheckerUSU Championship 20003015453

1039Anniversary PartyUSU Championship 20003643375

1040Airline CompanyUSU Championship 20001382983

1041NikiforUSU Championship 20006412103

1042Central HeatingUSU Championship 20001702800

1043Cover an ArcUSU Championship 20008601573

1044Lucky Tickets. Easy!USU Championship 200011457119

1045Funny GameUSU Local Contest. March 20002641510

1046Geometrical DreamsUSU Local Contest. March 20007321822

1047Simple CalculationsUSU Local Contest. March 20004508300

1048Superlong SumsUSU Local Contest. March 20007103190

1049Brave BalloonistsUSU Local Contest. March 20005628240

1050Preparing an ArticleUSU Local Contest. March 20009861358

1051Simple Game on a GridUSU Local Contest. March 20002731493

1052Rabbit HuntUSU Local Contest. March 20005973226

1053PinocchioNEERC 2000 Central Subregional4230318

1054Hanoi TowerNEERC 2000 Central Subregional2068650

1055CombinationsNEERC 2000 Central Subregional3387397

1056Computer NetNEERC 2000 Central Subregional2530531

1057Amount of DegreesNEERC 2000 Central Subregional1906704

1058ChocolateNEERC 2000 Central Subregional4592871

1059ExpressionNEERC 2000 Central Subregional2127632

1060Flip GameNEERC 20003569357

1061Buffer ManagerNEERC 20002069615

1062TriathlonNEERC 20006991802

1063Domino PuzzleNEERC 20005902129

1064Binary SearchNEERC 20002076613

1065FrontierNEERC 20009071394

1066GarlandNEERC 20002335545

1067Disk TreeNEERC 20002436522


1069Prufer CodeUSU Personal Contest 20012379520

1070Local TimeUSU Personal Contest 20011981624

1071Nikifor 2USU Personal Contest 20012055602

1072RoutingUSU Personal Contest 20012574481

1073Square CountryUSU Personal Contest 20018258150

1074Very Short ProblemUSU Personal Contest 20015972047

1075Thread in a SpaceUSU Personal Contest 20015932061


1077Travelling Tours1107401

1078SegmentsWinter Mathematical Festival Varna 20013309370

1079MaximumWinter Mathematical Festival Varna 200111238109

1080Map ColoringWinter Mathematical Festival Varna 20015080242

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014761258

1082Gaby IvanushkaSpring School Contest 200110259119

1083Factorials!!!Spring School Contest 20011778668

1084Goat in the GardenSpring School Contest 20018324146

1085MeetingSpring School Contest 20012046593

1086CryptographySpring School Contest 200111228108

1087The Time to Take StonesSpring School Contest 20014369278

1088Ilya MurometzSpring School Contest 20011711708

1089Verification with a VocabularySpring School Contest 20012669455

1090In the Army NowUSU Local Contest. March 20013328347

1091Tmutarakan ExamsUSU Local Contest. March 20012309500

1092TransversalUSU Local Contest. March 20015052249

1093DartsUSU Local Contest. March 20015931921

1094E-screenUSU Local Contest. March 20012672432

1095Nikifor 3USU Local Contest. March 20012090552

1096Get the Right Route Plate!USU Local Contest. March 20011672689

1097Square Country 2USU Local Contest. March 20018131407


1099Work Scheduling8951158

1100Final StandingsTetrahedron Team Online Contest May 2001980045

1101Robot in the FieldTetrahedron Team Online Contest May 2001793555

1102Strange DialogTetrahedron Team Online Contest May 20012585172

1103Pencils and CirclesTetrahedron Team Online Contest May 2001880501

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001478393

1105Observers ColoringTetrahedron Team Online Contest May 2001533821

1106Two TeamsTetrahedron Team Online Contest May 2001585476

1107Warehouse ProblemTetrahedron Team Online Contest May 20011061416

1108HeritageBulgarian Online Contest September 20011822245

1109ConferenceBulgarian Online Contest September 20011822245

1110PowerBulgarian Online Contest September 2001851253

1111SquaresBulgarian Online Contest September 20011126395

1112CoverBulgarian Online Contest September 20012255198

1113JeepBulgarian Online Contest September 20011722259

1114BoxesBulgarian Online Contest September 20012397186

1115ShipsBulgarian Online Contest September 20011088408

1116Piecewise Constant FunctionAutumn School Contest 20011402318

1117HierarchyAutumn School Contest 20011646271

1118Nontrivial NumbersAutumn School Contest 20014379102

1119MetroAutumn School Contest 2001610473

1120Sum of Sequential NumbersAutumn School Contest 2001518286

1121BranchesAutumn School Contest 20011323336

1122GameAutumn School Contest 20011879237

1123SalaryAutumn School Contest 20013757119

1124MosaicUSU Championship 20011469303

1125HopscotchUSU Championship 20011979226

1126Magnetic StormsUSU Championship 20014484100

1127Colored BricksUSU Championship 20011428312

1128Partition into GroupsUSU Championship 20011068416

1129Door PaintingUSU Championship 2001990449

1130Nikifor's WalkUSU Championship 2001448980

1131CopyingUSU Championship 2001594275

1132Square Root747593

1133Fibonacci SequenceNEERC 2001 Central Subregional2032220

1134CardsNEERC 2001 Central Subregional2479180

1135RecruitsNEERC 2001 Central Subregional2743163

1136ParliamentNEERC 2001 Central Subregional453899

1137Bus RoutesNEERC 2001 Central Subregional1523293

1138Integer PercentageNEERC 2001 Central Subregional2256198

1139City BlocksNEERC 2001 Central Subregional579577

1140Swamp IncidentNEERC 2001 Central Subregional1209368

1141RSA Attack1225364

1142RelationsDSAP Vietnam Online Contest November 20013028148

1143Electric PathDSAP Vietnam Online Contest November 2001777571

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012381812

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011162383

1146Maximum SumDSAP Vietnam Online Contest November 2001555581

1147Shaping RegionsDSAP Vietnam Online Contest November 2001557792

1148Building TowersDSAP Vietnam Online Contest November 20012461755

1149Sinus Dances731361

1150Page NumbersUral Championship 2001. Round 21855241

1151RadiobeaconsUral Championship 2001. Round 24191048

1152False MirrorsUral Championship 2001. Round 22761162

1153SupercomputerUral Championship 2001. Round 21506297

1154Mages ContestUral Championship 2001. Round 2501880

1155TroubleduonsUral Championship 2001. Round 21135393

1156Two RoundsUral Championship 2001. Round 21348331

1157Young TilerUral Championship 2001. Round 22710165

1158Censored!NEERC 2001 Northern Subregional886502

1159FenceNEERC 2001 Northern Subregional607729

1160NetworkNEERC 2001 Northern Subregional1657274

1161StripiesNEERC 2001 Northern Subregional493891

1162Currency ExchangeNEERC 2001 Northern Subregional1093408

1163ChapaevNEERC 2001 Northern Subregional2191964

1164FillwordNEERC 2001 Northern Subregional2249199

1165SubnumberNEERC 2001 Northern Subregional498885

1166Funny Card GameNEERC 2001 Northern Subregional1203558

1167Bicolored HorsesRomanian Online Contest December 20013280137

1168Radio StationsRomanian Online Contest December 2001616719

1169PairsRomanian Online Contest December 2001610726

1170DesertRomanian Online Contest December 20012911495

1171Lost in SpaceRomanian Online Contest December 20013361300

1172Ship RoutesRomanian Online Contest December 2001802554

1173Lazy SnailRomanian Online Contest December 20014161056

1174Weird PermutationsRomanian Online Contest December 2001648684

1175Strange SequenceUSU Personal Contest 2002464952

1176HyperchannelsUSU Personal Contest 20021250358

1177Like ComparisonsUSU Personal Contest 20023341311

1178Akbardin’s RoadsUSU Personal Contest 20023110145

1179Numbers in TextUSU Personal Contest 20021600280

1180Stone GameUSU Personal Contest 2002524786

1181Cutting a Painted PolygonUSU Personal Contest 20021029434

1182Team Them Up!NEERC 2001881507

1183Brackets SequenceNEERC 20012194205

1184Cable MasterNEERC 20011537292

1185WallNEERC 20011468305

1186Chemical ReactionsNEERC 2001647687

1187Statistical TroubleNEERC 20012132024

1188LibraryNEERC 20012002150

1189Pairs of IntegersNEERC 2001910491

1190Bar of ChocolateSpring School Contest 20021483302

1191Catch the thief!Spring School Contest 20021855242

1192Ball in a DreamSpring School Contest 20024122109

1193Queue at the ExamSpring School Contest 20022527178

1194HandshakesSpring School Contest 2002559681

1195Ouths and CrossesSpring School Contest 20021769254

1196History ExamSpring School Contest 2002797357

1197Lonesome KnightSpring School Contest 20021571729



1200Horns and HoofsUSU Local Contest. March 20021801249

1201Which Day Is It?USU Local Contest. March 20021285349

1202Rectangles TravelUSU Local Contest. March 2002999448

1203Scientific ConferenceUSU Local Contest. March 2002519687

1204IdempotentsUSU Local Contest. March 20021990226

1205By the Underground or by Foot?USU Local Contest. March 20021936232

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023747120

1207Median on the PlaneUSU Local Contest. March 20022190205

1208Legendary Teams ContestUSU Local Contest. March 20022138210

12091, 10, 100, 1000...Autumn School Contest 20021246637

1210Kind SpiritsAutumn School Contest 20023091147

1211Collective GuaranteeAutumn School Contest 20021402323

1212BattleshipAutumn School Contest 2002899501

1213Cockroaches!Autumn School Contest 20022701168

1214Strange ProcedureAutumn School Contest 20024521101

1215Exactness of Projectile HitAutumn School Contest 20021517298

1216Two Pawns and One KingUSU Championship 20022132045

1217Unlucky TicketsUSU Championship 20021119404

1218Episode N-th: The Jedi TournamentUSU Championship 20021393325

1219Symbolic SequenceUSU Championship 20023922116

1220StacksUSU Championship 20021658273

1221Malevich Strikes Back!USU Championship 20021085416

1222Chernobyl’ EaglesUSU Championship 20023267139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021421319

1224SpiralNEERC 2002 Central Subregional676467

1225FlagsNEERC 2002 Central Subregional1215038

1226esreveR redrONEERC 2002 Central Subregional4116111

1227Rally ChampionshipNEERC 2002 Central Subregional1469308

1228ArrayNEERC 2002 Central Subregional4377104

1229Strong BrickworkNEERC 2002 Central Subregional1183382

1230Introspective ProgramNEERC 2002 Central Subregional608738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2032141

1232Asteroid LandingNEERC 2002 Central Subregional1832363

1233Amusing NumbersNEERC 2002473946

1234BricksNEERC 2002673669

1235Cricket FieldNEERC 2002593757

1236Decoding TaskNEERC 2002903500

1237Evacuation PlanNEERC 2002469955

1238FoldingNEERC 20021042435

1239Ghost BustersNEERC 20021442966

1240Heroes of Might and MagicNEERC 20023121418

1241Inlay CuttersNEERC 20022631675

1242WerewolfUSU Personal Contest 20032227205

1243Divorce of the Seven DwarfsUSU Personal Contest 2003901751

1244GentlemenUSU Personal Contest 20031754260

1245PicturesUSU Personal Contest 2003485926

1246Tethered DogUSU Personal Contest 20031347338

1247Check a SequenceUSU Personal Contest 20031919238

1248Sequence SumUSU Personal Contest 2003696649

1249Ancient NecropolisUSU Local Contest. March 20032139213

1250Sea BurialUSU Local Contest. March 2003633713

1251Cemetery ManagerUSU Local Contest. March 20032811576

1252Sorting the TombstonesUSU Local Contest. March 20031131402

1253NecrologuesUSU Local Contest. March 2003663681

1254Die HardUSU Local Contest. March 2003698648

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031699268

1256Cemetery GuardUSU Local Contest. March 20031872328

1257HyphenationAutumn School Contest 20032581725

1258PoolAutumn School Contest 20031098417

1259How to Become Star?Autumn School Contest 20031180389

1260Nudnik PhotographerAutumn School Contest 20034136112

1261TipsAutumn School Contest 20031363337

1262Pseudo-Roman NumberAutumn School Contest 20031218377

1263ElectionsAutumn School Contest 20031052944

1264WorkdaysAutumn School Contest 20031996723

1265MirrorUSU Championship 20032981502

1266Kirchhoff's LawUSU Championship 20033041473

1267Yekaterinburg SubwayUSU Championship 20032261960

1268Little ChuUSU Championship 2003608749

1269Obscene Words FilterUSU Championship 2003535849

1270UnicubeUSU Championship 20031772474

1271Sailing DirectionsUSU Championship 2003874770

1272Non-Yekaterinburg SubwayUSU Championship 20033032152

1273TieUSU Championship 2003971472

1274Fractional ArithmeticNEERC 2003 Central Subregional665686

1275Knights of the Round TableNEERC 2003 Central Subregional1612707

1276TrainNEERC 2003 Central Subregional581783

1277Cops and ThievesNEERC 2003 Central Subregional579786

1278“… Connecting People”NEERC 2003 Central Subregional455995

1279WarehouseNEERC 2003 Central Subregional1097418

1280Topological SortingNEERC 2003 Central Subregional3181145

1281River BasinNEERC 2003 Central Subregional3201403

1282Game TreeNEERC 2003 Central Subregional1368336

1283DwarfUSU Personal Contest 20043885119

1284Space PokerUSU Personal Contest 20041882348

1285Thread in a HyperspaceUSU Personal Contest 20042561748

1286Starship TravelUSU Personal Contest 2004673681

1287Mars CanalsUSU Personal Contest 20041233374

1288AstrolocationUSU Personal Contest 20042002214

1289One Way TicketUSU Personal Contest 20041192387

1290SabotageSpring School Contest 2004587779

1291Gear-wheelsSpring School Contest 20041157399

1292Mars Space StationsSpring School Contest 20041263365

1293EniyaSpring School Contest 20042881616

1294Mars SatellitesSpring School Contest 20041501308

1295Crazy NotionsSpring School Contest 20043052152

1296HyperjumpSpring School Contest 2004520789

1297PalindromeSpring School Contest 2004552384

1298KnightSpring School Contest 20041800257

1299PsyloniansSpring School Contest 20043041481

1300TaxesUral Championship 19981602737

1301Cube in LabyrinthUral Championship 1998621737

1302Delta-waveUral Championship 19981382334

1303Minimal CoverageUral Championship 19982124218

1304ParallelepipedUral Championship 19982311931

1305Convex HullUral Championship 1998645710

1306Sequence MedianUral Championship 19983217144

1307ArchiverUral Championship 2004. Round 13521286

1308Dean's PyramidUral Championship 2004. Round 11562805

1309DisputeUral Championship 2004. Round 1742619

1310ACM DiagnosticsUral Championship 2004. Round 13691228

1311Stable ConstructionUral Championship 2004. Round 13141437

1312TrayUral Championship 2004. Round 11512892

1313Some Words about SportUral Championship 2004. Round 11282736

1314Chase in SubwayUral Championship 2004. Round 1734626

1315MDPAR and MIIARUral Championship 2004. Round 12251981

1316Electronic AuctionUral Championship 2004. Round 11051439

1317HailUral Championship 2004. Round 24161093

1318LogarithmUral Championship 2004. Round 23201411

1319HotelUral Championship 2004. Round 21165240

1320Graph DecompositionUral Championship 2004. Round 21546299

1321Floor IndicatorUral Championship 2004. Round 23351350

1322SpyUral Championship 2004. Round 21075429

1323ClassmatesUral Championship 2004. Round 2560817

1324Extra SpacesUral Championship 2004. Round 2479952

1325DirtUral Championship 2004. Round 2829555

1326Bottle TapsUral Championship 2004. Round 21079428

1327FusesAutumn School Contest 2004985148

1328FireballAutumn School Contest 20043331366

1329Galactic HistoryAutumn School Contest 20041000464

1330IntervalsAutumn School Contest 2004471399

1331VladislavaAutumn School Contest 2004460997

1332Genie BomberAutumn School Contest 2004739626

1333Genie Bomber 2Autumn School Contest 20042161216

1334CheckersAutumn School Contest 2004882525

1335White ThesisAutumn School Contest 20042644177

1336Problem of Ben BetsalelAutumn School Contest 20043870121

1337BureaucracyAutumn School Contest 20042871578

1338AutomobilesUSU Championship 20042531789

1339BabiesUSU Championship 2004501921

1340CucarachaUSU Championship 2004874850

1341DeviceUSU Championship 20044061131

1342EnterpriseUSU Championship 2004588787

1343Fairy TaleUSU Championship 20041078432

1344Gigantic TurnipUSU Championship 2004944523

1345HTMLUSU Championship 20043261400

1346Intervals of MonotonicityUSU Championship 20041559300

1347BlogSpring School Contest 20053301385

1348Goat in the Garden 2Spring School Contest 20052457191

1349FarmSpring School Contest 2005900652

1350CanteenSpring School Contest 20051201389

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005876531

1352Mersenne PrimesSpring School Contest 20053636129

1353Milliard Vasya's FunctionSpring School Contest 20054446106

1354Palindrome. Again PalindromeSpring School Contest 20053201147

1355Bald Spot RevisitedSpring School Contest 20052161217

1356Something EasierSpring School Contest 20051342348

1357Teakettle 1.0 for DummiesSpring School Contest 20053841195

1358CablesSpring School Contest 2005836557

1359ConstructionSpring School Contest 20053701239

1360Philosophical DisputeUral Championship 2005. Round 23411343

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22002244

1362Classmates 2Ural Championship 2005. Round 2990471

1363HalftonesUral Championship 2005. Round 2715818

1364LaraKillerUral Championship 2005. Round 2475972

1365Testing CalculatorUral Championship 2005. Round 2874858

1366PresentsUral Championship 2005. Round 2888525

1367Top SecretUral Championship 2005. Round 21423101

1368Goat in the Garden 3Ural Championship 2005. Round 21832442

1369Cockroach RaceUral Championship 2005. Round 22314281

1370MagicianUral Championship 2005. Round 2511392

1371Cargo AgencyUral Championship 2005. Round 1828564

1372Death StarUral Championship 2005. Round 1735695

1373Pictura ex MachinaUral Championship 2005. Round 1543855

1374MisereUral Championship 2005. Round 12912121

1375Bill CleversUral Championship 2005. Round 1846552

1376Dean's Pyramid 2Ural Championship 2005. Round 1399647

1377Lara CroftUral Championship 2005. Round 11622290

1378Artificial IntelligenceUral Championship 2005. Round 13051501

1379Cups TransportationUral Championship 2005. Round 1668697

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1074041

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1253502

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2541791

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314327

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest805253

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1961240

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3961165

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2921566

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816886

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest771605

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3710060

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest805253

1392Dreaming of Stars615756

1393Average Common Prefix3851185

1394Ships. Version 2924885

1395Pascal vs. C++. Version 21622621

1396Maximum. Version 22132016

1397Points Game2371760

1398Bishop and Pawn466891

1399Economical Director2910872

1400Cellular CharactersAutumn School Contest 2005859544

1401GamersAutumn School Contest 20051139411

1402CocktailsAutumn School Contest 20053601131

1403CourierAutumn School Contest 20051293363

1404Easy to Hack!Autumn School Contest 2005581581

1405Goat in the Garden 5Autumn School Contest 2005654712

1406Next NumberAutumn School Contest 20051389338

1407One-two, One-twoAutumn School Contest 20051225383

1408Polynomial MultiplicationAutumn School Contest 20053901182

1409Two GangstersAutumn School Contest 20052750917

1410CrackUSU Championship 20051186394

141140 Islands KnightsUSU Championship 20051443059

1412Autumn TideUSU Championship 20052991525

1413Mars JumperUSU Championship 20052686175

1414Astronomical DatabaseUSU Championship 20051030453

1415Mobile LifeUSU Championship 2005409420

1416ConfidentialUSU Championship 20051132413

1417Space Poker 2USU Championship 20052371907

1418Military StoryUSU Championship 2005505915

1419Maps of the Island WorldsUSU Championship 20053521301

1420Integer-Valued Complex DivisionUSU Championship 20052651713

1421Credit OperationsTimus Top Coders: First Challenge837542

1422FirefliesTimus Top Coders: First Challenge509885

1423String TaleTimus Top Coders: First Challenge2589177

1424MinibusTimus Top Coders: First Challenge616734

1425Queen 2Timus Top Coders: First Challenge2521753

1426RectanglesTimus Top Coders: First Challenge785219

1427SMSTimus Top Coders: First Challenge1253364

1428Jedi RiddleTimus Top Coders: First Challenge937485

1429BiscuitsTimus Top Coders: First Challenge1622670

1430Crime and PunishmentTimus Top Coders: First Challenge987461

1431DiplomasUSU Personal Contest 20061289352

1432Twofold LuckUSU Personal Contest 2006468173

1433DiamondsUSU Personal Contest 20061793254

1434Buses in VasyukiUSU Personal Contest 20064301040

1435Financial ErrorUSU Personal Contest 2006456982

1436BillboardUSU Personal Contest 2006536838

1437Gasoline StationUSU Personal Contest 2006887510

1438Time Limit ExceededUSU Personal Contest 20061383092

1439Battle with You-Know-WhoUral Championship 2006986456

1440Training ScheduleUral Championship 2006647692

1441From the History of Gringotts BankUral Championship 20063731187

1442Floo PowderUral Championship 20061363113

1443RailsUral Championship 2006676662

1444ElephpotamusUral Championship 2006520857

1445Christmas giftsUral Championship 2006773580

1446Sorting HatUral Championship 2006499391

1447Portkey NetworkUral Championship 20064291035

1448Lighting in HogwartsUral Championship 2006784572

1449Credit Operations 2Timus Top Coders: Second Challenge3011452

1450Russian PipelinesTimus Top Coders: Second Challenge1747257

1451Beerhouse TaleTimus Top Coders: Second Challenge445992

1452Pascal vs. C++Timus Top Coders: Second Challenge719619

1453QueenTimus Top Coders: Second Challenge3571230

1454Rectangles 2Timus Top Coders: Second Challenge1702508

1455Freedom of SpeechTimus Top Coders: Second Challenge2132025

1456Jedi Riddle 2Timus Top Coders: Second Challenge586758

1457Heating MainTimus Top Coders: Second Challenge668867

1458War GamesTimus Top Coders: Second Challenge3621214

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2431736

1460WiresPetrozavodsk Winter 2006. USU Contest954183

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4241012

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest499863

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest690628

1464LightPetrozavodsk Winter 2006. USU Contest1442852

1465Pawn GamePetrozavodsk Winter 2006. USU Contest866501

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1293160

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3471230

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest512833

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3881092

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1706253

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2161200

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3691147

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest745174

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest613698

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest964100

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2901449

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1352998

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003951

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest715366

1480CouponsUSU Championship 2006960447

1481Winning ChancesUSU Championship 20061742355

1482Triangle GameUSU Championship 20061293117

1483Table FootballUSU Championship 20061167368

1484Film RatingUSU Championship 2006630677

1485Football and LieUSU Championship 20062521654

1486Equal SquaresUSU Championship 2006581733

1487Chinese FootballUSU Championship 20063311271

1488ACM PokerUSU Championship 20062641581

1489Points on a ParallelepipedAutumn School Contest 20061094392

1490Fire CircleAutumn School Contest 20062160199

1491Unreal StoryAutumn School Contest 20062017213

1492Vasya's Dad 2Autumn School Contest 20062121948

1493One Step from HappinessAutumn School Contest 2006883949

1494MonobilliardsAutumn School Contest 20062817153

1495One-two, One-two 2Autumn School Contest 20061270338

1496SpammerAutumn School Contest 2006815453

1497Cutting a SquareAutumn School Contest 20061463294

1498Stroke at Full SpeedAutumn School Contest 2006497853

1499KerchiefsAutumn School Contest 20062901442

1500Pass LicensesNEERC 2006 Eastern Subregional672632

1501Sense of BeautyNEERC 2006 Eastern Subregional1611266

1502Domino DotsNEERC 2006 Eastern Subregional577874

1503PolynomialNEERC 2006 Eastern Subregional2281811

1504Good MannersNEERC 2006 Eastern Subregional1742342

1505Oil TransferNEERC 2006 Eastern Subregional1333014

1506Columns of NumbersNEERC 2006 Eastern Subregional2762155

1507Difficult DecisionNEERC 2006 Eastern Subregional998428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411717

1509Domino RecognitionNEERC 2006 Eastern Subregional1043781

1510OrderNEERC 2006 Eastern Subregional490188

1511Fiscal OperationsTimus Top Coders: Third Challenge3471193

1512ZiniumTimus Top Coders: Third Challenge511817

1513Lemon TaleTimus Top Coders: Third Challenge1114379

1514National ParkTimus Top Coders: Third Challenge2201851

1515CashmasterTimus Top Coders: Third Challenge2002212

1516NostalgiaTimus Top Coders: Third Challenge2221835

1517Freedom of ChoiceTimus Top Coders: Third Challenge1500282

1518Jedi Riddle 3Timus Top Coders: Third Challenge3881070

1519Formula 1Timus Top Coders: Third Challenge977431

1520Empire Strikes BackTimus Top Coders: Third Challenge1582535

1521War Games 2Timus Top Coders: Third Challenge1818233

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2051949

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1340310

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213097

1525PathPetrozavodsk Winter 2007. D.Gozman Contest883469

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2961370

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2991356

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1609259

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924109

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest465882

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2981361

1532Lost in TranslationUSU Personal Contest 20071991999

1533Fat HobbitsUSU Personal Contest 20073751085

1534Football in GondorUSU Personal Contest 2007741556

1535The Hobbit or There and Back AgainUSU Personal Contest 2007865477

1536Delights of Pipe-weedUSU Personal Contest 2007516849

1537EntsUSU Personal Contest 20071483280

1538Towers of GuardUSU Personal Contest 20073251247

1539Intelligence DataUSU Personal Contest 20073801071

1540Battle for the RingUSU Personal Contest 20073671108

1541ChaseUSU Personal Contest 20071892099

1542AutocompletionUral Championship 2007635640

1543Dance RevolutionUral Championship 20071762219

1544Classmates 3Ural Championship 20073331203

1545HieroglyphsUral Championship 2007792252

1546Japanese SortingUral Championship 2007429940

1547Password SearchUral Championship 2007495817

1548Sakura and StatisticsUral Championship 20071317944

1549Another Japanese PuzzleUral Championship 20071722268

1550Dean's Pyramid 3Ural Championship 2007673604

1551Sumo TournamentUral Championship 20071374298

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3041264

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1245316

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest618632

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411677

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest339233

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201726

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest472824

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894011

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest396978

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1332777

1562GM-pineappleUSU Championship 2007961407

1563BayanUSU Championship 2007684858

1564Counting OnesUSU Championship 2007581669

1565The Duel for ThreeUSU Championship 20072221705

1566Triangular PostcardsUSU Championship 20071242953

1567SMS-spamUSU Championship 2007984240

1568Train Car SortingUSU Championship 20072381595

1569Networking the “Iset”USU Championship 20073811012

1570Eating HighUSU Championship 20073771022

1571InterpretersUSU Championship 2007916427

1572Yekaterinozavodsk Great WellAutumn School Contest 20072785141

1573AlchemyAutumn School Contest 20073822103

1574Mathematicians and bracketsAutumn School Contest 20071106354

1575Yekaterinburg Subway 2Autumn School Contest 2007422914

1576Telephone TariffsAutumn School Contest 20072758143

1577E-mailAutumn School Contest 2007822475

1578Mammoth HuntAutumn School Contest 2007432894

1579Coat TransportationAutumn School Contest 2007804485

1580Dean's DebtsAutumn School Contest 2007440878

1581TeamworkAutumn School Contest 2007955641

1582BookmakersNEERC 2007 Eastern Subregional3394116

1583CheeseNEERC 2007 Eastern Subregional2071814

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001269

1585PenguinsNEERC 2007 Eastern Subregional972340

1586Threeprime NumbersNEERC 2007 Eastern Subregional2615150

1587Flying PigNEERC 2007 Eastern Subregional488790

1588JamaicaNEERC 2007 Eastern Subregional1248313

1589SokobanNEERC 2007 Eastern Subregional821862

1590Bacon’s CipherNEERC 2007 Eastern Subregional1825214

1591Abstract ThinkingNEERC 2007 Eastern Subregional3791012

1592Chinese WatchesNEERC 2007 Eastern Subregional660587

1593Square Country. Version 2471725

1594Aztec Treasure604830

1595Perfect Sequence2891130

1596Knight Mare188968

1597Chernobyl’ Eagle on a Roof. Version 2612564

1598DSA Attack304504

1599Winding Number482637

1600AirportUSU Personal Contest 2008680552

1601AntiCAPSUSU Personal Contest 2008429689

1602ElevatorUSU Personal Contest 2008877430

1603EruditeUSU Personal Contest 20081521249

1604Country of FoolsUSU Personal Contest 20081419267

1605Devil's SequenceUSU Personal Contest 2008642585

1606SlalomUSU Personal Contest 2008545687

1607TaxiUSU Personal Contest 2008766650

1608Lucky Tickets 2008Ural Championship 2008374985

1609Tram TileUral Championship 20081292721

1610CactusesUral Championship 20081931863

1611DecimationUral Championship 2008525707

1612Tram ForumUral Championship 20082651142

1613For Fans of StatisticsUral Championship 20082477152

1614National Project “Trams”Ural Championship 2008467793

1615Tram SolitaireUral Championship 20081901891

1616Square Country 4Ural Championship 2008893821

1617Flat SpotsUral Championship 2008593864

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605211

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest530676

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2411453

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest684677

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1013286

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1003316

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest466514

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest362981

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377761

1627JoinPetrozavodsk Winter 2008. ITMO Contest3331064

1628White StreaksUSU Championship 2008913390

1629TripUSU Championship 2008449783

1630TalismanUSU Championship 2008367954

1631Drunk King 2USU Championship 2008815436

1632LasersUSU Championship 2008794040

1633HippogriffsUSU Championship 2008489721

1634Spider MiteUSU Championship 20081592128

1635Mnemonics and PalindromesUSU Championship 20081842194

1636Penalty TimeUSU Championship 2008616258

1637Triangle Game 2USU Championship 20081073073

1638BookwormUSU Championship 2008519969

1639Chocolate 2Autumn School Contest 20081098533

1640Circle of WinterAutumn School Contest 20082135167

1641DutiesAutumn School Contest 2008752470

16421D MazeAutumn School Contest 2008382493

1643Attack of the Dark FortressAutumn School Contest 2008774457

1644A Whole Lot of WalnutsAutumn School Contest 2008375495

1645Ski RaceAutumn School Contest 20081859192

1646Godzilla Strikes Back!Autumn School Contest 2008430814

1647Divide an Island!Autumn School Contest 2008449780

1648YachtsAutumn School Contest 2008994357

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional417012

1650BillionairesNEERC 2008 Eastern Subregional830426

1651Shortest SubchainNEERC 2008 Eastern Subregional1023346

1652Banking CrisisNEERC 2008 Eastern Subregional1312536

1653Death ConveyorNEERC 2008 Eastern Subregional426877

1654Cipher MessageNEERC 2008 Eastern Subregional602359

1655Somali PiratesNEERC 2008 Eastern Subregional1761923

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1805197

1657Cube SnakeNEERC 2008 Eastern Subregional2431413

1658Sum of DigitsNEERC 2008 Eastern Subregional1486239

1659Regular TrianglesNEERC 2008 Eastern Subregional572614

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest466303

1661DodecahedronPetrozavodsk Winter 2008. USU Contest744202

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664645

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1162802

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1731929

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest847412

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2741243

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1741918

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466303

1669Universal WordPetrozavodsk Winter 2008. USU Contest2601307

1670AsteriskPetrozavodsk Summer 2008. USU Contest1911746

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2609134

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2210969

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2361427

1674Drunk KingPetrozavodsk Summer 2008. USU Contest486052

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1921738

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1921738

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2111588

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308776

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest342997

1680The First NonqualifyingUSU Personal Contest 20091691204

1681Brother Bear's GardenUSU Personal Contest 2009923397

1682Crazy ProfessorUSU Personal Contest 2009629542

1683FridgeUSU Personal Contest 20092688128

1684Jack's Last WordUSU Personal Contest 20091331258

1685OrthographyUSU Personal Contest 20091972175

1686Photovoltaic SpaceshipUSU Personal Contest 20092401386

1687Numismatics for FunUSU Personal Contest 20092841178

1688Team.GOV!USU Personal Contest 20092751125

1689Fisherman and BarbellUSU Personal Contest 2009396853

1690Army of MagesPetrozavodsk Winter 2009. USU Contest558608

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1013110

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest982348

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2111135

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1112853

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1072950

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest389865

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest545393

1698Square Country 5Petrozavodsk Winter 2009. USU Contest570595

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3161059

1700AwakeningUral Championship 2009746454

1701Ostap and PartnersUral Championship 2009555608

1702CrossroadUral Championship 20091592031

1703Robotic ArmUral Championship 20091801807

1704DemodulationUral Championship 20091062959

1705Gangster HaresUral Championship 2009391856

1706Cipher Message 2Ural Championship 2009544620

1707Hypnotoad's SecretUral Championship 20091781826

1708Sum of Digits 2Ural Championship 20091613199

1709Penguin-AviaUral Championship 20092217154

1710Boris, You Are Wrong!Ural Championship 2009559603

1711Code NamesNEERC 2009 Eastern Subregional2619124

1712Cipher GrilleNEERC 2009 Eastern Subregional415178

1713Key SubstringsNEERC 2009 Eastern Subregional552580

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1032885

1715Another Ball KillerNEERC 2009 Eastern Subregional329962

1716Alternative SolutionNEERC 2009 Eastern Subregional413771

1717Eligibility RulesNEERC 2009 Eastern Subregional1252415

1718RejudgeNEERC 2009 Eastern Subregional1161278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2251387

1720Summit Online JudgeNEERC 2009 Eastern Subregional350906

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional591543

1722Observation DeckUral Regional School Programming Contest 20092541233

1723Sandro's BookUral Regional School Programming Contest 2009532061

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009504633

1725Sold Out!Ural Regional School Programming Contest 20092477131

1726VisitsUral Regional School Programming Contest 20091446224

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091762184

1728Curse on Team.GOVUral Regional School Programming Contest 2009653491

1729Dead Man's ChestUral Regional School Programming Contest 2009554577

1730ManBearPigUral Regional School Programming Contest 20092981057

1731DillUral Regional School Programming Contest 2009330498

1732Ministry of TruthUSU Championship 2009748428

1733Forgotten TechnologyUSU Championship 2009644379

1734Endgame DatabaseUSU Championship 20091531988

1735Theft of the CenturyUSU Championship 20091052818

1736Chinese HockeyUSU Championship 20092671170

1737Mnemonics and Palindromes 3USU Championship 20091387232

1738Computer SecurityUSU Championship 2009355888

1739FaryuksUSU Championship 20091492038

1740Deer is Better!USU Championship 20092325139

1741Communication FiendUSU Championship 20091188271

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1056297

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest345892

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1551919

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest348885

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1951545

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2391272

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1238254

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1551919

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2551195

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833405

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1004312

1753BookshelfUSU Personal Contest 20101016304

1754Explosion in a PyramidUSU Personal Contest 2010521588

1755CakeUSU Personal Contest 2010401760

1756One and a Half DiggersUSU Personal Contest 20101906163

1757Gold BarsUSU Personal Contest 20101392096

1758Bald Spot Revisited 2USU Personal Contest 20101082647

1759Long-LiversUSU Personal Contest 2010735419

1760Infernal WorkUSU Personal Contest 2010497616

1761Binary PalindromeUSU Personal Contest 20103011004

1762Search for a Hiding-PlaceUSU Personal Contest 20101921546

1763Expert FleaUral Championship 2010465532

1764TranssibUral Championship 20101771657

1765Error 404Ural Championship 2010733733

1766Humpty DumptyUral Championship 20102271307

1767The House of Doctor DeeUral Championship 2010460659

1768Circular StringsUral Championship 20102671118

1769Old Ural LegendUral Championship 20101669185

1770The Party of Ural ChampionsUral Championship 20101821614

1771A Deputy's MorningUral Championship 2010455633

1772Ski-Trails for RobotsUral Championship 2010434698

1773Metro to Every HomeUral Championship 2010401754

1774Barber of the Army of MagesUral SU Championship 2010653444

1775Space BowlingUral SU Championship 2010346826

1776Anniversary FireworkUral SU Championship 2010678428

1777AnindilyakwaUral SU Championship 20102589113

1778Chinese Hockey 2Ural SU Championship 2010634029

1779The Great TeamUral SU Championship 2010974299

1780Gray CodeUral SU Championship 2010349819

1781Clean CodeUral SU Championship 20101282131

1782Jack's New WordUral SU Championship 20101461885

1783Nuclear Arms RaceUral SU Championship 2010689421

1784RoundersUral SU Championship 20102511127

1785Lost in LocalizationUral Regional School Programming Contest 20101821016

1786Sandro's BiographyUral Regional School Programming Contest 20102938100

1787Turn for MEGAUral Regional School Programming Contest 20101138826

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101997146

1789Searching for the DodecahedronUral Regional School Programming Contest 20101500194

1790Searching for the TruthUral Regional School Programming Contest 20102311218

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102181287

1792Hamming CodeUral Regional School Programming Contest 2010383076

1793Tray 2Ural Regional School Programming Contest 2010830349

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101625180

1795Husband in a ShopUral Regional School Programming Contest 20101247234

1796Amusement ParkUral Regional School Programming Contest 2010296199

1797Summit Online Judge. Version 2375005

1798Fire Circle. Version 2323733

1799Sasha and swag strings274128

1800Murphy's LawNEERC 2010 Eastern Subregional1570185

1801The Revolution CupNEERC 2010 Eastern Subregional455315

1802Cube PuzzleNEERC 2010 Eastern Subregional1481850

1803The Czechs' RiflesNEERC 2010 Eastern Subregional436655

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional808357

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional319889

1806Mobile TelegraphsNEERC 2010 Eastern Subregional548524

1807Cartridges for MaximNEERC 2010 Eastern Subregional2081341

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601720

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional537534

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest663744

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2051323

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1012563

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1871444

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest862964

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest594123

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1132313

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest290948

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1411884

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356322

1820Ural SteaksUSU Personal Contest 20111079626

1821BiathlonUSU Personal Contest 20111769158

1822Hugo II's WarUSU Personal Contest 2011436629

1823Ideal GasUSU Personal Contest 2011904307

1824Ifrit BomberUSU Personal Contest 2011276981

1825Ifrit Bomber 2USU Personal Contest 2011334815

1826MinefieldUSU Personal Contest 20111000278

1827Indigenous WarsUSU Personal Contest 20112561054

1828Approximation by a ProgressionUSU Personal Contest 2011660419

1829Routing TablesUSU Personal Contest 2011852952

1830Help in the RNOSUral Championship 2011324829

1831Tsyfirkin's LessonUral Championship 20111262036

1832Arirang ShowUral Championship 2011326824

1833Hopes of RowingUral Championship 20111052408

1834Tennis RacketUral Championship 2011564196

1835Swamp DoctorUral Championship 2011892797

1836Babel FishUral Championship 20112581033

1837Isenbaev's NumberUral Championship 2011485357

1838Samurai's StrokeUral Championship 2011408663

1839The MentaculusUral Championship 20111102308

1840Victim of AdvertisingUral Championship 2011238392

1841CablewaysPetrozavodsk Summer 2010. USU Contest1192056

1842Local RootsPetrozavodsk Summer 2010. USU Contest336168

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643584

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1781411

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest544144

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1808146

1847ZamkadyePetrozavodsk Summer 2010. USU Contest524278

1848Fly HuntPetrozavodsk Summer 2010. USU Contest395413

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1112192

1850Space TourismPetrozavodsk Summer 2010. USU Contest932575

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1611548

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1082244

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296788

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest666392

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2051231

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673438

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2131187

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest593837

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest544136

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest619421

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest281910

1862Very Wealthy MoleUral FU Championship 20112241124

1863Peaceful AtomUral FU Championship 2011260974

1864Get-Together at Den'sUral FU Championship 20111692155

1865The Island of MärketUral FU Championship 2011782989

1866Poetic FootUral FU Championship 2011381673

1867NanotechnologiesUral FU Championship 20111072248

1868Prediction ContestUral FU Championship 20111884139

1869New Year CruiseUral FU Championship 20111259207

1870Zinium 2Ural FU Championship 2011435591

1871Seismic WavesUral FU Championship 2011468550

1872Spacious OfficeUral FU Championship 2011370692

1873GOV ChroniclesUral Regional School Programming Contest 2011773335

1874Football GoalUral Regional School Programming Contest 20111510173

1875Angry BirdsUral Regional School Programming Contest 2011295860

1876Centipede's MorningUral Regional School Programming Contest 2011517551

1877Bicycle CodesUral Regional School Programming Contest 20111347319

1878Rubinchik's CubeUral Regional School Programming Contest 20111401186

1879GOV-internship 2Ural Regional School Programming Contest 20111951280

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011858331

1881Long problem statementUral Regional School Programming Contest 2011461757

1882Old NokiaUral Regional School Programming Contest 2011912598

1883Ent's BirthdayUral Regional School Programming Contest 20112351071

1884Way to the UniversityUral Regional School Programming Contest 2011424605

1885Passenger ComfortNEERC 2011 Eastern Subregional1317197

1886Trip 2NEERC 2011 Eastern Subregional1331831

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2271105

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional615419

1889Airport AnnouncementsNEERC 2011 Eastern Subregional960270

1890Money out of Thin AirNEERC 2011 Eastern Subregional581443

1891Language OceanNEERC 2011 Eastern Subregional426601

1892Morning in KoltsovoNEERC 2011 Eastern Subregional332766

1893A380NEERC 2011 Eastern Subregional479055

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1391757

1895Steaks on BoardNEERC 2011 Eastern Subregional1052277

1896War Games 2.1140918

1897Alice and Bob and a string84329

1900Brainwashing DeviceUral Championship 2012477480

1901Space ElevatorsUral Championship 2012531432

1902Neo-VeniceUral Championship 2012235399

1903Unidentified ShipsUral Championship 2012289782

1904The Lessons of the PastUral Championship 2012576399

1905Travel in TimeUral Championship 20122221007

1906The Lost CivilizationUral Championship 2012266492

1907Coffee and BunsUral Championship 20121941146

1908Brute-force SearchUral Championship 20121171840

1909Space ReconUral Championship 2012484029

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional711133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533701

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional252890

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1381575

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464163

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1224189

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional732809

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1148201

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional280804

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1171836

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional378601

1921Chaos and OrderUral Regional School Programming Contest 20122001108

1922Superhero TeamUral Regional School Programming Contest 2012843273

1923Scary PoliticsUral Regional School Programming Contest 2012500456

1924Four ImpsUral Regional School Programming Contest 2012661635

1925British Scientists Save the WorldUral Regional School Programming Contest 2012376762

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012253884

1927Herbs and MagicUral Regional School Programming Contest 2012227981

1928Another Ecology ProblemUral Regional School Programming Contest 2012341663

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012717320

1930Ivan's CarUral Regional School Programming Contest 20121318175

1931Excellent TeamUral FU Championship 20121575146

1932The Secret of IdentifierUral FU Championship 2012267836

1933Guns for Battle!Ural FU Championship 2012659346

1934Black SpotUral FU Championship 2012730313

1935Tears of DrownedUral FU Championship 2012321672

1936RoshamboUral FU Championship 20122181015

1937Davy Jones’s OrganUral FU Championship 20121971118

1938Caribbean TriangleUral FU Championship 2012434368

1939First SealUral FU Championship 2012311721

1940Not So Simple YearsUral FU Championship 2012310723

1941Scary Martian WordUral FU Personal Contest 2012606369

1942Attack at the OrbitUral FU Personal Contest 2012406546

1943Space RummyUral FU Personal Contest 2012290757

1944Record of the Attack at the OrbitUral FU Personal Contest 20121135198

1945Many-armed BrothersUral FU Personal Contest 2012692875

1946Chinese Hockey 3Ural FU Personal Contest 20121341577

1947MeanderUral FU Personal Contest 20121451465

1948The Robot on the LineUral FU Personal Contest 20121951108

1949The Best Picture in the GalaxyUral FU Personal Contest 20121761221

1950Martian FarmlandsUral FU Personal Contest 20121181774

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1241601

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010728

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection882190

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection523461

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection662824

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection902146

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection533406

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection563251

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection231890

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection483435

1961Cantonese DialectUral FU Personal Contest 2013275751

1962In Chinese RestaurantUral FU Personal Contest 2013300691

1963KiteUral FU Personal Contest 2013480437

1964Chinese DialectsUral FU Personal Contest 20131456146

1965Pear TreesUral FU Personal Contest 2013211969

1966Cycling RoadsUral FU Personal Contest 2013331628

1967Programmer CasinoUral FU Personal Contest 2013354757

1968Glass PyramidUral FU Personal Contest 20131441390

1969Hong Kong TramUral FU Personal Contest 2013792405

1970皇后像廣場Ural FU Personal Contest 20131911065

1971Graphics SettingsUral Championship 2013359571

1972Game TestingUral Championship 2013662774

1973Location GeneratorUral Championship 2013315142

1974Similar TunesUral Championship 2013208967

1975Model of the EarthUral Championship 2013453833

1976Game OptimizationUral Championship 20131791116

1977Energy WallUral Championship 2013812317

1978E-LiteUral Championship 2013692669

1979Resources DistributionUral Championship 20131621226

1980Road to InvestorUral Championship 2013358573

1981Parallel and PerpendicularUral FU Championship 2013572352

1982Electrification PlanUral FU Championship 20131652123

1983Nectar GatheringUral FU Championship 20131411357

1984Dummy GuyUral FU Championship 20131177173

1985Prime SquareUral FU Championship 20131191589

1986Paul’s SaladsUral FU Championship 2013202967

1987Nested SegmentsUral FU Championship 20131094186

1988Planet Ocean LandingUral FU Championship 2013201971

1989SubpalindromesUral FU Championship 2013687294

1990PodracingNEERC 2013 Eastern Subregional233841

1991The battle near the swampNEERC 2013 Eastern Subregional465044

1992CVSNEERC 2013 Eastern Subregional593339

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1160175

1994The Emperor's planNEERC 2013 Eastern Subregional225870

1995Illegal spicesNEERC 2013 Eastern Subregional410487

1996Cipher Message 3NEERC 2013 Eastern Subregional1921012

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional442452

1998The old PadawanNEERC 2013 Eastern Subregional668302

1999The secret moduleNEERC 2013 Eastern Subregional265678

2000Grand Theft Array VUral Regional School Programming Contest 20131513134

2001Mathematicians and BerriesUral Regional School Programming Contest 2013910122

2002Test TaskUral Regional School Programming Contest 2013305666

2003Simple MagicUral Regional School Programming Contest 2013668300

2004Scientists from SpilkovoUral Regional School Programming Contest 2013317622

2005Taxi for ProgrammersUral Regional School Programming Contest 2013260878

2006Kirill the GardenerUral Regional School Programming Contest 2013493447

2007Mutants versus MachinesUral Regional School Programming Contest 20131211552

2008SwiftyUral Regional School Programming Contest 2013223873

2009Canteen LineUral Regional School Programming Contest 2013283694

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131809112

2011Long StatementUral Regional School Programming Contest 2013237485

2012About Grisha N.NEERC 2014 Eastern Subregional1056817

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional224762

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional375463

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional722243

2016Magic and ScienceNEERC 2014 Eastern Subregional176601

2017Best of a bad lotNEERC 2014 Eastern Subregional1511107

2018The Debut AlbumNEERC 2014 Eastern Subregional184396

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional762231

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1352131

2021Scarily interesting!NEERC 2014 Eastern Subregional486359

2022Riding a ToadNEERC 2014 Eastern Subregional493021

2023Donald is a postmanNEERC 2014 Eastern Subregional502835

2024Adventure TimeUral Regional School Programming Contest 2014648269

2025Line FightingUral Regional School Programming Contest 2014207585

2026Dean and ScheduleUral Regional School Programming Contest 2014368469

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014414418

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014248687

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014306561

2030Awesome Backup SystemUral Regional School Programming Contest 2014408424

2031Overturned NumbersUral Regional School Programming Contest 2014245072

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014272628

2033DevicesUral Regional School Programming Contest 2014180298

2034CaravansUral Regional School Programming Contest 2014688254

2035Another Dress RehearsalUral Regional School Programming Contest 2014266766

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1241311

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest168987

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest692223

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest215666

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest239705

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest841869

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest264879

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest353903

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest702196

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest363471

2046The First Day at SchoolUral Championship 2015403396

2047MathsUral Championship 2015398400

2048HistoryUral Championship 2015224698

2049ChemistryUral Championship 2015502722

20503D-modelingUral Championship 2015572438

2051PhysicsUral Championship 2015373475

2052Physical EducationUral Championship 20151241219

2053BiologyUral Championship 2015433082

2054AstronomyUral Championship 2015166281

2055Urban GeographyUral Championship 20151151307

2056ScholarshipUral Championship 2015344547

2057Non-palidromic cuttingPalindromic Contest 373369

2058100500 palidnromesPalindromic Contest 951508

2059Not common palindromesPalindromic Contest 1251173

2060Subpalindrome pairsPalindromic Contest 271564

2061OEIS A216264Palindromic Contest 413105

2062Ambitious ExperimentUral Regional School Programming Contest 2015477311

2063Black and WhiteUral Regional School Programming Contest 2015377391

2064CaterpillarsUral Regional School Programming Contest 2015192749

2065Different SumsUral Regional School Programming Contest 2015622239

2066Simple ExpressionUral Regional School Programming Contest 2015553027

2067Friends and BerriesUral Regional School Programming Contest 2015585254

2068Game of NutsUral Regional School Programming Contest 2015177785

2069Hard RockUral Regional School Programming Contest 2015871172

2070Interesting NumbersUral Regional School Programming Contest 2015757197

2071Juice CocktailsUral Regional School Programming Contest 2015297493

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015856175

2073Log FilesUral Regional School Programming Contest 2015830180

2074Timus problems classifierQualification of Eastern Subregional 2015183738

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015452589

2076VasianaQualification of Eastern Subregional 2015126473

2077ReductionsQualification of Eastern Subregional 2015175275

2078Bowling gameUral Championship 2016395333

2079Memory leaksUral Championship 2016234092

2080WalletUral Championship 2016214603

2081Faulty dialUral Championship 2016241538

2082PokerUral Championship 2016116409

2083The Guardian of TraditionsUral Championship 2016422597

2084Technical debtUral Championship 2016382813

2085Magic ProgrammerUral Championship 2016811484

2086Find DenisUral Championship 2016204501

2087TrainsUral Championship 2016333140

2088Nostalgic EveningUral Championship 2016174957

2089Experienced coachUral Championship 2016172742

2090Crossroads of DestinyUral FU Personal Contest 2014214277

2091Natural SelectionUral FU Personal Contest 2014657199

2092BoleroUral FU Personal Contest 2014138896

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014961251

2094Thousand ImpsUral FU Personal Contest 2014165100

2095ScrumUral FU Personal Contest 2014591221

2096All InclusiveUral FU Personal Contest 2014392706

2097Snowboarding on SpilnayaUral FU Personal Contest 2014651768

2098Lada PrioraUral FU Personal Contest 2014544239

2099Space InvaderUral FU Personal Contest 2014233546

2100Wedding DinnerUral FU Junior Championship 2016425029

2101Knight's ShieldUral FU Junior Championship 2016691562

2102Michael and CryptographyUral FU Junior Championship 2016974125

2103Corporate MailUral FU Junior Championship 20161091037

2104Game with a StripUral FU Junior Championship 2016427282

2105Alice and Bob are on BikesUral FU Junior Championship 2016548221

2106DeserializationUral FU Junior Championship 2016146791

2107Oppa Funcan StyleUral FU Junior Championship 2016691561

2108Oleg and Little PoniesUral FU Junior Championship 2016340352

2109Tourism on MarsUral FU Junior Championship 2016302395

2110Remove or MaximizeUral FU Junior Championship 2016139828

2111PlatoUniversity academic school olympiad in informatics 201993369

2112Battle logUniversity academic school olympiad in informatics 2019116515

2113Survive the floodUniversity academic school olympiad in informatics 2019188328

2114My craftUniversity academic school olympiad in informatics 201983697

2115The Knowledge DayUniversity academic school olympiad in informatics 2019373169

2116He is not a knight for youUniversity academic school olympiad in informatics 2019101584

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019135447

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest221956

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest55963

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest351391

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest83673

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest122845

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest451138

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest331455

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest172318

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest361361

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest142608

2128Rubina's SolitaireLater is better than never61812

2129Mortgage in Far Away KingdomLater is better than never381201

2130Alice + BobLater is better than never78655

2131Open CupLater is better than never63602

2132Graph Decomposition. Version 2Later is better than never271558

2133Terms of referenceLater is better than never201921

2134StampmanLater is better than never391176

2135Pauline and commitsLater is better than never63789

2136John vs SantaLater is better than never271557

2137Dynamic string complexityLater is better than never73389

2138The Good, the Bad and the UglyUral School Programming Contest 2019460111

2139Experiment with JuiceUral School Programming Contest 2019102612

2140BitMazeCraftUral School Programming Contest 201951856

2141Sasha VilkinUral School Programming Contest 2019200249

2142MagicUral School Programming Contest 2019393130

2143Victoria!Ural School Programming Contest 201967679

2144Cleaning the RoomUral School Programming Contest 2019191260

2145Olympiad for EveryoneUral School Programming Contest 2019165299

2146Quiz ShowUral School Programming Contest 201997488

2147City BuildingUral School Programming Contest 2019271412

2148Insane ShotUral School Programming Contest 2019106450

2149Pigeonhole PrincipleUral School Programming Contest 2019362140