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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem8992016

1001Reverse Root2722215

1002Phone NumbersCentral European Olympiad in Informatics 19996327216

1003ParityCentral European Olympiad in Informatics 19993578382

1004Sightseeing TripCentral European Olympiad in Informatics 19992425563

1005Stone PileUSU Championship 19971557788

1006Square FramesUSU Championship 19971493911

1007Code WordsUSU Championship 19973597380

1008Image EncodingUSTU PhysTech Cup 20003996342

1009K-based NumbersUSU Championship 19971443395

1010Discrete FunctionUSTU PhysTech Cup 20005035271

1011ConductorsUSU Championship 19975834234

1012K-based Numbers. Version 27917172

1013K-based Numbers. Version 3848199

1014Product of DigitsUSU Local Contest. 199913669100

1015Test the Difference!USU Local Contest. 19993215424

1016Cube on the WalkUSU Local Contest. 19991752775

1017StaircasesUSU Local Contest. 19998763156

1018Binary Apple TreeUSU Local Contest. 19994712289

1019Line PaintingUSU Local Contest. 19993070444

1020RopeAutumn School Contest 200013306102

1021Sacrament of the SumAutumn School Contest 20009617142

1022Genealogical TreeAutumn School Contest 20009932137

1023ButtonsAutumn School Contest 20006660204

1024PermutationsAutumn School Contest 20004521301

1025Democracy in DangerAutumn School Contest 20002004868

1026Questions and AnswersAutumn School Contest 20009308146

1027D++ AgainAutumn School Contest 20002337581

1028StarsUral Championship 19995106266

1029MinistryUral Championship 19993501338

1030TitanicUral Championship 19991619835

1031Railway TicketsUral Championship 19993703366

1032Find a MultipleUral Championship 19993968298

1033LabyrinthUral Championship 19995925229

1034Queens in Peaceful PositionsUral Championship 19991771763

1035Cross-stitchUral Championship 199910231314

1036Lucky Tickets4557298

1037Memory ManagementUSU Championship 20001772756

1038Spell CheckerUSU Championship 20002980451

1039Anniversary PartyUSU Championship 20003567377

1040Airline CompanyUSU Championship 20001362982

1041NikiforUSU Championship 20006342093

1042Central HeatingUSU Championship 20001661806

1043Cover an ArcUSU Championship 20008521563

1044Lucky Tickets. Easy!USU Championship 200011265120

1045Funny GameUSU Local Contest. March 20002600510

1046Geometrical DreamsUSU Local Contest. March 20007181829

1047Simple CalculationsUSU Local Contest. March 20004467298

1048Superlong SumsUSU Local Contest. March 20007014189

1049Brave BalloonistsUSU Local Contest. March 20005538240

1050Preparing an ArticleUSU Local Contest. March 20009741353

1051Simple Game on a GridUSU Local Contest. March 20002710489

1052Rabbit HuntUSU Local Contest. March 20005881226

1053PinocchioNEERC 2000 Central Subregional4198316

1054Hanoi TowerNEERC 2000 Central Subregional2018655

1055CombinationsNEERC 2000 Central Subregional3346396

1056Computer NetNEERC 2000 Central Subregional2492531

1057Amount of DegreesNEERC 2000 Central Subregional1870707

1058ChocolateNEERC 2000 Central Subregional4502882

1059ExpressionNEERC 2000 Central Subregional2106628

1060Flip GameNEERC 20003519357

1061Buffer ManagerNEERC 20002051611

1062TriathlonNEERC 20006911795

1063Domino PuzzleNEERC 20005822124

1064Binary SearchNEERC 20002058609

1065FrontierNEERC 20009021380

1066GarlandNEERC 20002314541

1067Disk TreeNEERC 20002280549

1068Sum3265739

1069Prufer CodeUSU Personal Contest 20012339521

1070Local TimeUSU Personal Contest 20011961621

1071Nikifor 2USU Personal Contest 20012032599

1072RoutingUSU Personal Contest 20012537480

1073Square CountryUSU Personal Contest 20018009153

1074Very Short ProblemUSU Personal Contest 20015902039

1075Thread in a SpaceUSU Personal Contest 20015712106

1076Trash1813668

1077Travelling Tours1081405

1078SegmentsWinter Mathematical Festival Varna 20013243372

1079MaximumWinter Mathematical Festival Varna 200110989110

1080Map ColoringWinter Mathematical Festival Varna 20014873248

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014708257

1082Gaby IvanushkaSpring School Contest 200110122118

1083Factorials!!!Spring School Contest 20011728169

1084Goat in the GardenSpring School Contest 20018185146

1085MeetingSpring School Contest 20012024590

1086CryptographySpring School Contest 200110920110

1087The Time to Take StonesSpring School Contest 20014321277

1088Ilya MurometzSpring School Contest 20011688707

1089Verification with a VocabularySpring School Contest 20012642453

1090In the Army NowUSU Local Contest. March 20013192356

1091Tmutarakan ExamsUSU Local Contest. March 20012272500

1092TransversalUSU Local Contest. March 20015002236

1093DartsUSU Local Contest. March 20015851917

1094E-screenUSU Local Contest. March 20012648429

1095Nikifor 3USU Local Contest. March 20012065550

1096Get the Right Route Plate!USU Local Contest. March 20011649688

1097Square Country 2USU Local Contest. March 20018071396

1098Questions2082521

1099Work Scheduling8761165

1100Final StandingsTetrahedron Team Online Contest May 2001939047

1101Robot in the FieldTetrahedron Team Online Contest May 2001782554

1102Strange DialogTetrahedron Team Online Contest May 20012501175

1103Pencils and CirclesTetrahedron Team Online Contest May 2001857506

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001468693

1105Observers ColoringTetrahedron Team Online Contest May 2001521827

1106Two TeamsTetrahedron Team Online Contest May 2001570477

1107Warehouse ProblemTetrahedron Team Online Contest May 20011044417

1108HeritageBulgarian Online Contest September 20011792245

1109ConferenceBulgarian Online Contest September 20011782246

1110PowerBulgarian Online Contest September 2001832853

1111SquaresBulgarian Online Contest September 20011104396

1112CoverBulgarian Online Contest September 20012212199

1113JeepBulgarian Online Contest September 20011700258

1114BoxesBulgarian Online Contest September 20012351187

1115ShipsBulgarian Online Contest September 20011071408

1116Piecewise Constant FunctionAutumn School Contest 20011378318

1117HierarchyAutumn School Contest 20011614272

1118Nontrivial NumbersAutumn School Contest 20014282103

1119MetroAutumn School Contest 2001593774

1120Sum of Sequential NumbersAutumn School Contest 2001508887

1121BranchesAutumn School Contest 20011301337

1122GameAutumn School Contest 20011847238

1123SalaryAutumn School Contest 20013686120

1124MosaicUSU Championship 20011433306

1125HopscotchUSU Championship 20011949226

1126Magnetic StormsUSU Championship 20014258104

1127Colored BricksUSU Championship 20011399314

1128Partition into GroupsUSU Championship 20011038422

1129Door PaintingUSU Championship 2001963454

1130Nikifor's WalkUSU Championship 2001439984

1131CopyingUSU Championship 2001582476

1132Square Root719607

1133Fibonacci SequenceNEERC 2001 Central Subregional2406183

1134CardsNEERC 2001 Central Subregional2434181

1135RecruitsNEERC 2001 Central Subregional2693164

1136ParliamentNEERC 2001 Central Subregional445399

1137Bus RoutesNEERC 2001 Central Subregional1487295

1138Integer PercentageNEERC 2001 Central Subregional2215199

1139City BlocksNEERC 2001 Central Subregional569178

1140Swamp IncidentNEERC 2001 Central Subregional1194367

1141RSA Attack1197367

1142RelationsDSAP Vietnam Online Contest November 20012985148

1143Electric PathDSAP Vietnam Online Contest November 2001763573

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012321829

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011127389

1146Maximum SumDSAP Vietnam Online Contest November 2001539882

1147Shaping RegionsDSAP Vietnam Online Contest November 2001539806

1148Building TowersDSAP Vietnam Online Contest November 20012421756

1149Sinus Dances714262

1150Page NumbersUral Championship 2001. Round 21824241

1151RadiobeaconsUral Championship 2001. Round 24141045

1152False MirrorsUral Championship 2001. Round 22626168

1153SupercomputerUral Championship 2001. Round 21473299

1154Mages ContestUral Championship 2001. Round 2491884

1155TroubleduonsUral Championship 2001. Round 21017431

1156Two RoundsUral Championship 2001. Round 21317334

1157Young TilerUral Championship 2001. Round 22661166

1158Censored!NEERC 2001 Northern Subregional867505

1159FenceNEERC 2001 Northern Subregional601725

1160NetworkNEERC 2001 Northern Subregional1513295

1161StripiesNEERC 2001 Northern Subregional483991

1162Currency ExchangeNEERC 2001 Northern Subregional988444

1163ChapaevNEERC 2001 Northern Subregional2161960

1164FillwordNEERC 2001 Northern Subregional2209200

1165SubnumberNEERC 2001 Northern Subregional492882

1166Funny Card GameNEERC 2001 Northern Subregional1183562

1167Bicolored HorsesRomanian Online Contest December 20013200138

1168Radio StationsRomanian Online Contest December 2001610715

1169PairsRomanian Online Contest December 2001600726

1170DesertRomanian Online Contest December 20012871492

1171Lost in SpaceRomanian Online Contest December 20013291307

1172Ship RoutesRomanian Online Contest December 2001781560

1173Lazy SnailRomanian Online Contest December 20014111053

1174Weird PermutationsRomanian Online Contest December 2001641681

1175Strange SequenceUSU Personal Contest 2002457952

1176HyperchannelsUSU Personal Contest 20021216362

1177Like ComparisonsUSU Personal Contest 20023251326

1178Akbardin’s RoadsUSU Personal Contest 20023059145

1179Numbers in TextUSU Personal Contest 20021577280

1180Stone GameUSU Personal Contest 2002516486

1181Cutting a Painted PolygonUSU Personal Contest 20021000440

1182Team Them Up!NEERC 2001854515

1183Brackets SequenceNEERC 20012144206

1184Cable MasterNEERC 20011514292

1185WallNEERC 20011421311

1186Chemical ReactionsNEERC 2001642682

1187Statistical TroubleNEERC 20012082040

1188LibraryNEERC 20011972148

1189Pairs of IntegersNEERC 2001889495

1190Bar of ChocolateSpring School Contest 20021453304

1191Catch the thief!Spring School Contest 20021822243

1192Ball in a DreamSpring School Contest 20024053109

1193Queue at the ExamSpring School Contest 20022483178

1194HandshakesSpring School Contest 2002550681

1195Ouths and CrossesSpring School Contest 20021733255

1196History ExamSpring School Contest 2002774157

1197Lonesome KnightSpring School Contest 20021536929

1198Jobbery865533

1199Mouse1033691

1200Horns and HoofsUSU Local Contest. March 20021773250

1201Which Day Is It?USU Local Contest. March 20021270348

1202Rectangles TravelUSU Local Contest. March 2002979450

1203Scientific ConferenceUSU Local Contest. March 2002505788

1204IdempotentsUSU Local Contest. March 20021949227

1205By the Underground or by Foot?USU Local Contest. March 20021895234

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023681121

1207Median on the PlaneUSU Local Contest. March 20022007221

1208Legendary Teams ContestUSU Local Contest. March 20022081213

12091, 10, 100, 1000...Autumn School Contest 20021206737

1210Kind SpiritsAutumn School Contest 20023018148

1211Collective GuaranteeAutumn School Contest 20021377324

1212BattleshipAutumn School Contest 2002884502

1213Cockroaches!Autumn School Contest 20022651169

1214Strange ProcedureAutumn School Contest 20024445101

1215Exactness of Projectile HitAutumn School Contest 20021488300

1216Two Pawns and One KingUSU Championship 20022122024

1217Unlucky TicketsUSU Championship 20021100405

1218Episode N-th: The Jedi TournamentUSU Championship 20021352330

1219Symbolic SequenceUSU Championship 20023852116

1220StacksUSU Championship 20021566285

1221Malevich Strikes Back!USU Championship 20021066418

1222Chernobyl’ EaglesUSU Championship 20023218139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021390321

1224SpiralNEERC 2002 Central Subregional662768

1225FlagsNEERC 2002 Central Subregional1178038

1226esreveR redrONEERC 2002 Central Subregional4025111

1227Rally ChampionshipNEERC 2002 Central Subregional1434311

1228ArrayNEERC 2002 Central Subregional4307104

1229Strong BrickworkNEERC 2002 Central Subregional1152387

1230Introspective ProgramNEERC 2002 Central Subregional601736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012130

1232Asteroid LandingNEERC 2002 Central Subregional1862293

1233Amusing NumbersNEERC 2002467944

1234BricksNEERC 2002665667

1235Cricket FieldNEERC 2002588753

1236Decoding TaskNEERC 2002890500

1237Evacuation PlanNEERC 2002462955

1238FoldingNEERC 20021007443

1239Ghost BustersNEERC 20021432942

1240Heroes of Might and MagicNEERC 20023041433

1241Inlay CuttersNEERC 20022621656

1242WerewolfUSU Personal Contest 20032160208

1243Divorce of the Seven DwarfsUSU Personal Contest 2003881251

1244GentlemenUSU Personal Contest 20031686266

1245PicturesUSU Personal Contest 2003481920

1246Tethered DogUSU Personal Contest 20031315341

1247Check a SequenceUSU Personal Contest 20031887238

1248Sequence SumUSU Personal Contest 2003681654

1249Ancient NecropolisUSU Local Contest. March 20032107213

1250Sea BurialUSU Local Contest. March 2003625712

1251Cemetery ManagerUSU Local Contest. March 20032801558

1252Sorting the TombstonesUSU Local Contest. March 20031104406

1253NecrologuesUSU Local Contest. March 2003661674

1254Die HardUSU Local Contest. March 2003686649

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031672269

1256Cemetery GuardUSU Local Contest. March 20031852318

1257HyphenationAutumn School Contest 20032571707

1258PoolAutumn School Contest 20031077419

1259How to Become Star?Autumn School Contest 20031167387

1260Nudnik PhotographerAutumn School Contest 20034034113

1261TipsAutumn School Contest 20031335339

1262Pseudo-Roman NumberAutumn School Contest 20031208374

1263ElectionsAutumn School Contest 20031028944

1264WorkdaysAutumn School Contest 20031928624

1265MirrorUSU Championship 20032951495

1266Kirchhoff's LawUSU Championship 20032991476

1267Yekaterinburg SubwayUSU Championship 20032221966

1268Little ChuUSU Championship 2003593756

1269Obscene Words FilterUSU Championship 2003515869

1270UnicubeUSU Championship 20031782426

1271Sailing DirectionsUSU Championship 2003854801

1272Non-Yekaterinburg SubwayUSU Championship 20032950154

1273TieUSU Championship 2003950475

1274Fractional ArithmeticNEERC 2003 Central Subregional654687

1275Knights of the Round TableNEERC 2003 Central Subregional1612668

1276TrainNEERC 2003 Central Subregional569788

1277Cops and ThievesNEERC 2003 Central Subregional572784

1278“… Connecting People”NEERC 2003 Central Subregional452988

1279WarehouseNEERC 2003 Central Subregional1081418

1280Topological SortingNEERC 2003 Central Subregional3094147

1281River BasinNEERC 2003 Central Subregional3181391

1282Game TreeNEERC 2003 Central Subregional1341338

1283DwarfUSU Personal Contest 20043795120

1284Space PokerUSU Personal Contest 20041862338

1285Thread in a HyperspaceUSU Personal Contest 20042451797

1286Starship TravelUSU Personal Contest 2004665679

1287Mars CanalsUSU Personal Contest 20041185383

1288AstrolocationUSU Personal Contest 20041972214

1289One Way TicketUSU Personal Contest 20041173387

1290SabotageSpring School Contest 2004574180

1291Gear-wheelsSpring School Contest 20041131402

1292Mars Space StationsSpring School Contest 20041246365

1293EniyaSpring School Contest 20042777317

1294Mars SatellitesSpring School Contest 20041465311

1295Crazy NotionsSpring School Contest 20042984153

1296HyperjumpSpring School Contest 2004493393

1297PalindromeSpring School Contest 2004531286

1298KnightSpring School Contest 20041780256

1299PsyloniansSpring School Contest 20043001479

1300TaxesUral Championship 19981602699

1301Cube in LabyrinthUral Championship 1998612738

1302Delta-waveUral Championship 19981361335

1303Minimal CoverageUral Championship 19982043223

1304ParallelepipedUral Championship 19982291919

1305Convex HullUral Championship 1998632715

1306Sequence MedianUral Championship 19983041150

1307ArchiverUral Championship 2004. Round 13511272

1308Dean's PyramidUral Championship 2004. Round 11562765

1309DisputeUral Championship 2004. Round 1728622

1310ACM DiagnosticsUral Championship 2004. Round 13631231

1311Stable ConstructionUral Championship 2004. Round 13101434

1312TrayUral Championship 2004. Round 11512851

1313Some Words about SportUral Championship 2004. Round 11250037

1314Chase in SubwayUral Championship 2004. Round 1714634

1315MDPAR and MIIARUral Championship 2004. Round 12182013

1316Electronic AuctionUral Championship 2004. Round 11023444

1317HailUral Championship 2004. Round 24121088

1318LogarithmUral Championship 2004. Round 23141417

1319HotelUral Championship 2004. Round 21137040

1320Graph DecompositionUral Championship 2004. Round 21499304

1321Floor IndicatorUral Championship 2004. Round 23341335

1322SpyUral Championship 2004. Round 2983462

1323ClassmatesUral Championship 2004. Round 2547824

1324Extra SpacesUral Championship 2004. Round 2477943

1325DirtUral Championship 2004. Round 2814557

1326Bottle TapsUral Championship 2004. Round 21031441

1327FusesAutumn School Contest 2004964948

1328FireballAutumn School Contest 20043291363

1329Galactic HistoryAutumn School Contest 2004979467

1330IntervalsAutumn School Contest 20044563101

1331VladislavaAutumn School Contest 2004455994

1332Genie BomberAutumn School Contest 2004718635

1333Genie Bomber 2Autumn School Contest 20042111218

1334CheckersAutumn School Contest 2004867527

1335White ThesisAutumn School Contest 20042602177

1336Problem of Ben BetsalelAutumn School Contest 20043792122

1337BureaucracyAutumn School Contest 20042801593

1338AutomobilesUSU Championship 20042511778

1339BabiesUSU Championship 2004494921

1340CucarachaUSU Championship 2004874783

1341DeviceUSU Championship 20044041121

1342EnterpriseUSU Championship 2004576792

1343Fairy TaleUSU Championship 20041047439

1344Gigantic TurnipUSU Championship 2004934504

1345HTMLUSU Championship 20043231393

1346Intervals of MonotonicityUSU Championship 20041475312

1347BlogSpring School Contest 20053191411

1348Goat in the Garden 2Spring School Contest 20052403192

1349FarmSpring School Contest 2005877053

1350CanteenSpring School Contest 20051174392

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005855537

1352Mersenne PrimesSpring School Contest 20053570130

1353Milliard Vasya's FunctionSpring School Contest 20054339107

1354Palindrome. Again PalindromeSpring School Contest 20053078150

1355Bald Spot RevisitedSpring School Contest 20052105220

1356Something EasierSpring School Contest 20051308352

1357Teakettle 1.0 for DummiesSpring School Contest 20053831181

1358CablesSpring School Contest 2005819560

1359ConstructionSpring School Contest 20053651238

1360Philosophical DisputeUral Championship 2005. Round 23381336

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21972245

1362Classmates 2Ural Championship 2005. Round 2956481

1363HalftonesUral Championship 2005. Round 2705810

1364LaraKillerUral Championship 2005. Round 2474960

1365Testing CalculatorUral Championship 2005. Round 2864841

1366PresentsUral Championship 2005. Round 2870528

1367Top SecretUral Championship 2005. Round 21383141

1368Goat in the Garden 3Ural Championship 2005. Round 21822421

1369Cockroach RaceUral Championship 2005. Round 22214524

1370MagicianUral Championship 2005. Round 2501293

1371Cargo AgencyUral Championship 2005. Round 1810569

1372Death StarUral Championship 2005. Round 1735617

1373Pictura ex MachinaUral Championship 2005. Round 1533859

1374MisereUral Championship 2005. Round 12911955

1375Bill CleversUral Championship 2005. Round 1827557

1376Dean's Pyramid 2Ural Championship 2005. Round 1399515

1377Lara CroftUral Championship 2005. Round 11595290

1378Artificial IntelligenceUral Championship 2005. Round 12981514

1379Cups TransportationUral Championship 2005. Round 1647710

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1034127

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1203587

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2441836

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314131

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest785299

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1913243

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3921160

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2881565

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816655

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest740622

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379922

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795240

1392Dreaming of Stars609753

1393Average Common Prefix3751199

1394Ships. Version 2825908

1395Pascal vs. C++. Version 21592628

1396Maximum. Version 22092022

1397Points Game2271805

1398Bishop and Pawn450907

1399Economical Director2910691

1400Cellular CharactersAutumn School Contest 2005848543

1401GamersAutumn School Contest 20051032447

1402CocktailsAutumn School Contest 20053525132

1403CourierAutumn School Contest 20051259367

1404Easy to Hack!Autumn School Contest 2005571381

1405Goat in the Garden 5Autumn School Contest 2005644713

1406Next NumberAutumn School Contest 20051369338

1407One-two, One-twoAutumn School Contest 20051206383

1408Polynomial MultiplicationAutumn School Contest 20053881172

1409Two GangstersAutumn School Contest 20052657618

1410CrackUSU Championship 20051124410

141140 Islands KnightsUSU Championship 20051443017

1412Autumn TideUSU Championship 20052991504

1413Mars JumperUSU Championship 20052645175

1414Astronomical DatabaseUSU Championship 20051002459

1415Mobile LifeUSU Championship 2005399480

1416ConfidentialUSU Championship 20051110415

1417Space Poker 2USU Championship 20052361889

1418Military StoryUSU Championship 2005493924

1419Maps of the Island WorldsUSU Championship 20053441313

1420Integer-Valued Complex DivisionUSU Championship 20052651690

1421Credit OperationsTimus Top Coders: First Challenge815549

1422FirefliesTimus Top Coders: First Challenge502884

1423String TaleTimus Top Coders: First Challenge2501180

1424MinibusTimus Top Coders: First Challenge609731

1425Queen 2Timus Top Coders: First Challenge2471761

1426RectanglesTimus Top Coders: First Challenge785143

1427SMSTimus Top Coders: First Challenge1232364

1428Jedi RiddleTimus Top Coders: First Challenge917488

1429BiscuitsTimus Top Coders: First Challenge1602662

1430Crime and PunishmentTimus Top Coders: First Challenge963465

1431DiplomasUSU Personal Contest 20061266353

1432Twofold LuckUSU Personal Contest 2006458201

1433DiamondsUSU Personal Contest 20061762255

1434Buses in VasyukiUSU Personal Contest 20064241039

1435Financial ErrorUSU Personal Contest 2006455970

1436BillboardUSU Personal Contest 2006526842

1437Gasoline StationUSU Personal Contest 2006870513

1438Time Limit ExceededUSU Personal Contest 20061373068

1439Battle with You-Know-WhoUral Championship 2006940471

1440Training ScheduleUral Championship 2006638691

1441From the History of Gringotts BankUral Championship 20063561223

1442Floo PowderUral Championship 20061343110

1443RailsUral Championship 2006670658

1444ElephpotamusUral Championship 20064361004

1445Christmas giftsUral Championship 2006759582

1446Sorting HatUral Championship 2006487192

1447Portkey NetworkUral Championship 20064181046

1448Lighting in HogwartsUral Championship 2006778568

1449Credit Operations 2Timus Top Coders: Second Challenge3011430

1450Russian PipelinesTimus Top Coders: Second Challenge1590278

1451Beerhouse TaleTimus Top Coders: Second Challenge442984

1452Pascal vs. C++Timus Top Coders: Second Challenge702625

1453QueenTimus Top Coders: Second Challenge3501235

1454Rectangles 2Timus Top Coders: Second Challenge1662527

1455Freedom of SpeechTimus Top Coders: Second Challenge2102022

1456Jedi Riddle 2Timus Top Coders: Second Challenge571766

1457Heating MainTimus Top Coders: Second Challenge653268

1458War GamesTimus Top Coders: Second Challenge3581209

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2391736

1460WiresPetrozavodsk Winter 2006. USU Contest944157

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4151017

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest481881

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest675631

1464LightPetrozavodsk Winter 2006. USU Contest1432826

1465Pawn GamePetrozavodsk Winter 2006. USU Contest841508

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1273156

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3411232

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest503834

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3801097

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1650258

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1973216

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3631147

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest735153

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest588715

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest924193

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2731511

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1313033

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003888

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest695414

1480CouponsUSU Championship 2006940449

1481Winning ChancesUSU Championship 20061722342

1482Triangle GameUSU Championship 20061283089

1483Table FootballUSU Championship 20061151367

1484Film RatingUSU Championship 2006615682

1485Football and LieUSU Championship 20062501640

1486Equal SquaresUSU Championship 2006561747

1487Chinese FootballUSU Championship 20063261269

1488ACM PokerUSU Championship 20062631562

1489Points on a ParallelepipedAutumn School Contest 20061065396

1490Fire CircleAutumn School Contest 20062104201

1491Unreal StoryAutumn School Contest 20061976214

1492Vasya's Dad 2Autumn School Contest 20062111926

1493One Step from HappinessAutumn School Contest 2006862249

1494MonobilliardsAutumn School Contest 20062548166

1495One-two, One-two 2Autumn School Contest 20061240340

1496SpammerAutumn School Contest 2006784954

1497Cutting a SquareAutumn School Contest 20061440293

1498Stroke at Full SpeedAutumn School Contest 2006490851

1499KerchiefsAutumn School Contest 20062901418

1500Pass LicensesNEERC 2006 Eastern Subregional658635

1501Sense of BeautyNEERC 2006 Eastern Subregional1557271

1502Domino DotsNEERC 2006 Eastern Subregional564075

1503PolynomialNEERC 2006 Eastern Subregional2271789

1504Good MannersNEERC 2006 Eastern Subregional1742305

1505Oil TransferNEERC 2006 Eastern Subregional1313007

1506Columns of NumbersNEERC 2006 Eastern Subregional2706156

1507Difficult DecisionNEERC 2006 Eastern Subregional980428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2381710

1509Domino RecognitionNEERC 2006 Eastern Subregional1043720

1510OrderNEERC 2006 Eastern Subregional476589

1511Fiscal OperationsTimus Top Coders: Third Challenge3471173

1512ZiniumTimus Top Coders: Third Challenge507810

1513Lemon TaleTimus Top Coders: Third Challenge1065390

1514National ParkTimus Top Coders: Third Challenge2171845

1515CashmasterTimus Top Coders: Third Challenge1956213

1516NostalgiaTimus Top Coders: Third Challenge2191829

1517Freedom of ChoiceTimus Top Coders: Third Challenge1431291

1518Jedi Riddle 3Timus Top Coders: Third Challenge3831066

1519Formula 1Timus Top Coders: Third Challenge971427

1520Empire Strikes BackTimus Top Coders: Third Challenge1582493

1521War Games 2Timus Top Coders: Third Challenge1636254

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2021943

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1286318

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212874

1525PathPetrozavodsk Winter 2007. D.Gozman Contest866470

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2871387

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2961346

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1569261

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest914079

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest457882

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2971342

1532Lost in TranslationUSU Personal Contest 20071961993

1533Fat HobbitsUSU Personal Contest 20073701081

1534Football in GondorUSU Personal Contest 2007727557

1535The Hobbit or There and Back AgainUSU Personal Contest 2007847479

1536Delights of Pipe-weedUSU Personal Contest 2007506844

1537EntsUSU Personal Contest 20071454280

1538Towers of GuardUSU Personal Contest 20073201244

1539Intelligence DataUSU Personal Contest 20073801053

1540Battle for the RingUSU Personal Contest 20073641098

1541ChaseUSU Personal Contest 20071882074

1542AutocompletionUral Championship 2007622642

1543Dance RevolutionUral Championship 20071742204

1544Classmates 3Ural Championship 20073271203

1545HieroglyphsUral Championship 2007766953

1546Japanese SortingUral Championship 2007422939

1547Password SearchUral Championship 2007475836

1548Sakura and StatisticsUral Championship 20071218432

1549Another Japanese PuzzleUral Championship 20071712240

1550Dean's Pyramid 3Ural Championship 2007667599

1551Sumo TournamentUral Championship 20071342300

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2901299

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1125343

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest608630

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411460

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329277

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191701

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest465820

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest883976

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest384989

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1312763

1562GM-pineappleUSU Championship 2007940409

1563BayanUSU Championship 2007664358

1564Counting OnesUSU Championship 2007569671

1565The Duel for ThreeUSU Championship 20072201688

1566Triangular PostcardsUSU Championship 20071183033

1567SMS-spamUSU Championship 2007961440

1568Train Car SortingUSU Championship 20072341591

1569Networking the “Iset”USU Championship 20073641038

1570Eating HighUSU Championship 20073651035

1571InterpretersUSU Championship 2007892430

1572Yekaterinozavodsk Great WellAutumn School Contest 20072713142

1573AlchemyAutumn School Contest 20073734104

1574Mathematicians and bracketsAutumn School Contest 20071079356

1575Yekaterinburg Subway 2Autumn School Contest 2007409925

1576Telephone TariffsAutumn School Contest 20072707143

1577E-mailAutumn School Contest 2007799479

1578Mammoth HuntAutumn School Contest 2007424893

1579Coat TransportationAutumn School Contest 2007779491

1580Dean's DebtsAutumn School Contest 2007423895

1581TeamworkAutumn School Contest 2007934341

1582BookmakersNEERC 2007 Eastern Subregional3322116

1583CheeseNEERC 2007 Eastern Subregional2061787

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991250

1585PenguinsNEERC 2007 Eastern Subregional942141

1586Threeprime NumbersNEERC 2007 Eastern Subregional2504154

1587Flying PigNEERC 2007 Eastern Subregional471803

1588JamaicaNEERC 2007 Eastern Subregional1209317

1589SokobanNEERC 2007 Eastern Subregional821449

1590Bacon’s CipherNEERC 2007 Eastern Subregional1751219

1591Abstract ThinkingNEERC 2007 Eastern Subregional3721011

1592Chinese WatchesNEERC 2007 Eastern Subregional653582

1593Square Country. Version 2449742

1594Aztec Treasure594782

1595Perfect Sequence2841121

1596Knight Mare178960

1597Chernobyl’ Eagle on a Roof. Version 2532730

1598DSA Attack294361

1599Winding Number442640

1600AirportUSU Personal Contest 2008675545

1601AntiCAPSUSU Personal Contest 2008418989

1602ElevatorUSU Personal Contest 2008866426

1603EruditeUSU Personal Contest 20081490249

1604Country of FoolsUSU Personal Contest 20081269292

1605Devil's SequenceUSU Personal Contest 2008634580

1606SlalomUSU Personal Contest 2008537683

1607TaxiUSU Personal Contest 2008725351

1608Lucky Tickets 2008Ural Championship 2008372970

1609Tram TileUral Championship 20081292666

1610CactusesUral Championship 20081911844

1611DecimationUral Championship 2008520699

1612Tram ForumUral Championship 20082597142

1613For Fans of StatisticsUral Championship 20082332158

1614National Project “Trams”Ural Championship 2008461787

1615Tram SolitaireUral Championship 20081871881

1616Square Country 4Ural Championship 2008883782

1617Flat SpotsUral Championship 2008578764

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605100

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest524669

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2391434

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest654760

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1013216

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest983305

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest456491

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest353983

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377596

1627JoinPetrozavodsk Winter 2008. ITMO Contest3271059

1628White StreaksUSU Championship 2008792439

1629TripUSU Championship 2008449766

1630TalismanUSU Championship 2008363943

1631Drunk King 2USU Championship 2008805432

1632LasersUSU Championship 2008793952

1633HippogriffsUSU Championship 2008485711

1634Spider MiteUSU Championship 20081562119

1635Mnemonics and PalindromesUSU Championship 20081747200

1636Penalty TimeUSU Championship 2008599859

1637Triangle Game 2USU Championship 20081063032

1638BookwormUSU Championship 2008492571

1639Chocolate 2Autumn School Contest 20081071333

1640Circle of WinterAutumn School Contest 20082067169

1641DutiesAutumn School Contest 2008735470

16421D MazeAutumn School Contest 2008372694

1643Attack of the Dark FortressAutumn School Contest 2008757457

1644A Whole Lot of WalnutsAutumn School Contest 2008364496

1645Ski RaceAutumn School Contest 20081816192

1646Godzilla Strikes Back!Autumn School Contest 2008423809

1647Divide an Island!Autumn School Contest 2008441777

1648YachtsAutumn School Contest 2008969358

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional406994

1650BillionairesNEERC 2008 Eastern Subregional739467

1651Shortest SubchainNEERC 2008 Eastern Subregional999347

1652Banking CrisisNEERC 2008 Eastern Subregional1302498

1653Death ConveyorNEERC 2008 Eastern Subregional406994

1654Cipher MessageNEERC 2008 Eastern Subregional572561

1655Somali PiratesNEERC 2008 Eastern Subregional1622033

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1771196

1657Cube SnakeNEERC 2008 Eastern Subregional2421388

1658Sum of DigitsNEERC 2008 Eastern Subregional1425244

1659Regular TrianglesNEERC 2008 Eastern Subregional555619

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest446390

1661DodecahedronPetrozavodsk Winter 2008. USU Contest734157

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664540

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1162738

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1671949

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest822415

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2711228

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1711906

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466162

1669Universal WordPetrozavodsk Winter 2008. USU Contest2551302

1670AsteriskPetrozavodsk Summer 2008. USU Contest1881733

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2449140

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2111066

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2251460

1674Drunk KingPetrozavodsk Summer 2008. USU Contest485915

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1871741

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1891724

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1951673

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308576

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest336992

1680The First NonqualifyingUSU Personal Contest 20091657203

1681Brother Bear's GardenUSU Personal Contest 2009913351

1682Crazy ProfessorUSU Personal Contest 2009604551

1683FridgeUSU Personal Contest 20092629128

1684Jack's Last WordUSU Personal Contest 20091274264

1685OrthographyUSU Personal Contest 20091917176

1686Photovoltaic SpaceshipUSU Personal Contest 20092361376

1687Numismatics for FunUSU Personal Contest 20092831155

1688Team.GOV!USU Personal Contest 20092680126

1689Fisherman and BarbellUSU Personal Contest 2009393840

1690Army of MagesPetrozavodsk Winter 2009. USU Contest536617

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest983122

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest955349

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2110876

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1112786

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1052932

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest378869

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest535351

1698Square Country 5Petrozavodsk Winter 2009. USU Contest552600

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3101054

1700AwakeningUral Championship 2009726455

1701Ostap and PartnersUral Championship 2009544605

1702CrossroadUral Championship 20091562019

1703Robotic ArmUral Championship 20091781783

1704DemodulationUral Championship 20091062889

1705Gangster HaresUral Championship 2009381857

1706Cipher Message 2Ural Championship 2009523629

1707Hypnotoad's SecretUral Championship 20091711852

1708Sum of Digits 2Ural Championship 20091612889

1709Penguin-AviaUral Championship 20092160154

1710Boris, You Are Wrong!Ural Championship 2009546603

1711Code NamesNEERC 2009 Eastern Subregional2552124

1712Cipher GrilleNEERC 2009 Eastern Subregional405078

1713Key SubstringsNEERC 2009 Eastern Subregional532586

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022837

1715Another Ball KillerNEERC 2009 Eastern Subregional326946

1716Alternative SolutionNEERC 2009 Eastern Subregional407762

1717Eligibility RulesNEERC 2009 Eastern Subregional1232389

1718RejudgeNEERC 2009 Eastern Subregional1136277

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2231364

1720Summit Online JudgeNEERC 2009 Eastern Subregional341905

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional574544

1722Observation DeckUral Regional School Programming Contest 20092541201

1723Sandro's BookUral Regional School Programming Contest 2009505963

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009488637

1725Sold Out!Ural Regional School Programming Contest 20092406131

1726VisitsUral Regional School Programming Contest 20091304241

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091727183

1728Curse on Team.GOVUral Regional School Programming Contest 2009638489

1729Dead Man's ChestUral Regional School Programming Contest 2009549567

1730ManBearPigUral Regional School Programming Contest 20092941043

1731DillUral Regional School Programming Contest 2009321198

1732Ministry of TruthUSU Championship 2009712437

1733Forgotten TechnologyUSU Championship 2009644267

1734Endgame DatabaseUSU Championship 20091521949

1735Theft of the CenturyUSU Championship 20091042770

1736Chinese HockeyUSU Championship 20092641152

1737Mnemonics and Palindromes 3USU Championship 20091356231

1738Computer SecurityUSU Championship 2009351875

1739FaryuksUSU Championship 20091362163

1740Deer is Better!USU Championship 20092263139

1741Communication FiendUSU Championship 20091154271

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1024298

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest329909

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1551869

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest338886

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1891549

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2311279

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1183258

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1541880

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2521177

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833315

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest906337

1753BookshelfUSU Personal Contest 2010978308

1754Explosion in a PyramidUSU Personal Contest 2010512582

1755CakeUSU Personal Contest 2010397747

1756One and a Half DiggersUSU Personal Contest 20101866162

1757Gold BarsUSU Personal Contest 20101352096

1758Bald Spot Revisited 2USU Personal Contest 20101072598

1759Long-LiversUSU Personal Contest 2010720416

1760Infernal WorkUSU Personal Contest 2010486613

1761Binary PalindromeUSU Personal Contest 2010295996

1762Search for a Hiding-PlaceUSU Personal Contest 20101881535

1763Expert FleaUral Championship 2010455479

1764TranssibUral Championship 20101721656

1765Error 404Ural Championship 2010713720

1766Humpty DumptyUral Championship 20102231293

1767The House of Doctor DeeUral Championship 2010453651

1768Circular StringsUral Championship 20102651096

1769Old Ural LegendUral Championship 20101627184

1770The Party of Ural ChampionsUral Championship 20101761620

1771A Deputy's MorningUral Championship 2010455479

1772Ski-Trails for RobotsUral Championship 2010422698

1773Metro to Every HomeUral Championship 2010395744

1774Barber of the Army of MagesUral SU Championship 2010634443

1775Space BowlingUral SU Championship 2010338820

1776Anniversary FireworkUral SU Championship 2010632445

1777AnindilyakwaUral SU Championship 20102517113

1778Chinese Hockey 2Ural SU Championship 2010633911

1779The Great TeamUral SU Championship 2010952297

1780Gray CodeUral SU Championship 2010344806

1781Clean CodeUral SU Championship 20101272084

1782Jack's New WordUral SU Championship 20101431866

1783Nuclear Arms RaceUral SU Championship 2010673418

1784RoundersUral SU Championship 20102481106

1785Lost in LocalizationUral Regional School Programming Contest 20101763616

1786Sandro's BiographyUral Regional School Programming Contest 20102840100

1787Turn for MEGAUral Regional School Programming Contest 20101097926

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101948145

1789Searching for the DodecahedronUral Regional School Programming Contest 20101458194

1790Searching for the TruthUral Regional School Programming Contest 20102241217

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102171255

1792Hamming CodeUral Regional School Programming Contest 2010373476

1793Tray 2Ural Regional School Programming Contest 2010804350

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101585179

1795Husband in a ShopUral Regional School Programming Contest 20101213233

1796Amusement ParkUral Regional School Programming Contest 2010287799

1797Summit Online Judge. Version 2364910

1798Fire Circle. Version 2313572

1799Sasha and swag strings234314

1800Murphy's LawNEERC 2010 Eastern Subregional1536183

1801The Revolution CupNEERC 2010 Eastern Subregional445253

1802Cube PuzzleNEERC 2010 Eastern Subregional1471807

1803The Czechs' RiflesNEERC 2010 Eastern Subregional430645

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional793353

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional314875

1806Mobile TelegraphsNEERC 2010 Eastern Subregional472588

1807Cartridges for MaximNEERC 2010 Eastern Subregional2021338

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601668

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional522533

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest643726

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1991319

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1002507

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1841421

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest842933

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest574115

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1112279

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest282944

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1361889

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest336412

1820Ural SteaksUSU Personal Contest 20111043426

1821BiathlonUSU Personal Contest 20111729156

1822Hugo II's WarUSU Personal Contest 2011429619

1823Ideal GasUSU Personal Contest 2011882305

1824Ifrit BomberUSU Personal Contest 2011264991

1825Ifrit Bomber 2USU Personal Contest 2011324813

1826MinefieldUSU Personal Contest 2011977275

1827Indigenous WarsUSU Personal Contest 20112491049

1828Approximation by a ProgressionUSU Personal Contest 2011653410

1829Routing TablesUSU Personal Contest 2011842890

1830Help in the RNOSUral Championship 2011317820

1831Tsyfirkin's LessonUral Championship 20111232015

1832Arirang ShowUral Championship 2011319815

1833Hopes of RowingUral Championship 20111032372

1834Tennis RacketUral Championship 2011564061

1835Swamp DoctorUral Championship 2011872764

1836Babel FishUral Championship 20112531019

1837Isenbaev's NumberUral Championship 2011465857

1838Samurai's StrokeUral Championship 2011396660

1839The MentaculusUral Championship 20111102234

1840Victim of AdvertisingUral Championship 2011228377

1841CablewaysPetrozavodsk Summer 2010. USU Contest1162033

1842Local RootsPetrozavodsk Summer 2010. USU Contest335958

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest633510

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1771370

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest534067

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1687151

1847ZamkadyePetrozavodsk Summer 2010. USU Contest514200

1848Fly HuntPetrozavodsk Summer 2010. USU Contest355694

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1092153

1850Space TourismPetrozavodsk Summer 2010. USU Contest902562

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1601504

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1042243

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296556

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest636396

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1981229

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673321

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2121152

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest583760

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest703196

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest595423

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest273904

1862Very Wealthy MoleUral FU Championship 20112191109

1863Peaceful AtomUral FU Championship 2011253966

1864Get-Together at Den'sUral FU Championship 20111640154

1865The Island of MärketUral FU Championship 2011762953

1866Poetic FootUral FU Championship 2011373663

1867NanotechnologiesUral FU Championship 20111032247

1868Prediction ContestUral FU Championship 20111830138

1869New Year CruiseUral FU Championship 20111229205

1870Zinium 2Ural FU Championship 2011425584

1871Seismic WavesUral FU Championship 2011455546

1872Spacious OfficeUral FU Championship 2011354698

1873GOV ChroniclesUral Regional School Programming Contest 2011734341

1874Football GoalUral Regional School Programming Contest 20111460172

1875Angry BirdsUral Regional School Programming Contest 2011278880

1876Centipede's MorningUral Regional School Programming Contest 2011501250

1877Bicycle CodesUral Regional School Programming Contest 20111296020

1878Rubinchik's CubeUral Regional School Programming Contest 20111372183

1879GOV-internship 2Ural Regional School Programming Contest 20111931248

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011825931

1881Long problem statementUral Regional School Programming Contest 2011449656

1882Old NokiaUral Regional School Programming Contest 2011882586

1883Ent's BirthdayUral Regional School Programming Contest 20112281065

1884Way to the UniversityUral Regional School Programming Contest 2011415596

1885Passenger ComfortNEERC 2011 Eastern Subregional1273197

1886Trip 2NEERC 2011 Eastern Subregional1291819

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2201099

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional600414

1889Airport AnnouncementsNEERC 2011 Eastern Subregional933268

1890Money out of Thin AirNEERC 2011 Eastern Subregional548453

1891Language OceanNEERC 2011 Eastern Subregional417592

1892Morning in KoltsovoNEERC 2011 Eastern Subregional327750

1893A380NEERC 2011 Eastern Subregional463554

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1361731

1895Steaks on BoardNEERC 2011 Eastern Subregional1032237

1896War Games 2.1119985

1897Alice and Bob and a string73918

1900Brainwashing DeviceUral Championship 2012455482

1901Space ElevatorsUral Championship 2012507434

1902Neo-VeniceUral Championship 20122233100

1903Unidentified ShipsUral Championship 2012281771

1904The Lessons of the PastUral Championship 2012556396

1905Travel in TimeUral Championship 20122121010

1906The Lost CivilizationUral Championship 2012246597

1907Coffee and BunsUral Championship 20121901122

1908Brute-force SearchUral Championship 20121141809

1909Space ReconUral Championship 2012483867

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional679633

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523609

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247871

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371522

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional463995

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1174189

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722729

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1110200

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional265814

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1141804

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional371587

1921Chaos and OrderUral Regional School Programming Contest 20121931099

1922Superhero TeamUral Regional School Programming Contest 2012817270

1923Scary PoliticsUral Regional School Programming Contest 2012485451

1924Four ImpsUral Regional School Programming Contest 2012640835

1925British Scientists Save the WorldUral Regional School Programming Contest 2012359762

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012245875

1927Herbs and MagicUral Regional School Programming Contest 2012221966

1928Another Ecology ProblemUral Regional School Programming Contest 2012334649

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012694317

1930Ivan's CarUral Regional School Programming Contest 20121236179

1931Excellent TeamUral FU Championship 20121516146

1932The Secret of IdentifierUral FU Championship 2012259826

1933Guns for Battle!Ural FU Championship 2012640342

1934Black SpotUral FU Championship 2012704311

1935Tears of DrownedUral FU Championship 2012307472

1936RoshamboUral FU Championship 20122091014

1937Davy Jones’s OrganUral FU Championship 20121911105

1938Caribbean TriangleUral FU Championship 2012414354

1939First SealUral FU Championship 2012298721

1940Not So Simple YearsUral FU Championship 2012291738

1941Scary Martian WordUral FU Personal Contest 2012587365

1942Attack at the OrbitUral FU Personal Contest 2012394539

1943Space RummyUral FU Personal Contest 2012272772

1944Record of the Attack at the OrbitUral FU Personal Contest 20121093197

1945Many-armed BrothersUral FU Personal Contest 2012672826

1946Chinese Hockey 3Ural FU Personal Contest 20121321533

1947MeanderUral FU Personal Contest 20121431422

1948The Robot on the LineUral FU Personal Contest 20121881099

1949The Best Picture in the GalaxyUral FU Personal Contest 20121741183

1950Martian FarmlandsUral FU Personal Contest 20121141755

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211565

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010246

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection862135

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection513360

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection642770

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection872113

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection503416

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection533253

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection221887

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection451445

1961Cantonese DialectUral FU Personal Contest 2013260757

1962In Chinese RestaurantUral FU Personal Contest 2013287688

1963KiteUral FU Personal Contest 2013458437

1964Chinese DialectsUral FU Personal Contest 20131398145

1965Pear TreesUral FU Personal Contest 20131871038

1966Cycling RoadsUral FU Personal Contest 2013318623

1967Programmer CasinoUral FU Personal Contest 2013334754

1968Glass PyramidUral FU Personal Contest 20131421345

1969Hong Kong TramUral FU Personal Contest 2013772350

1970皇后像廣場Ural FU Personal Contest 20131871038

1971Graphics SettingsUral Championship 2013348562

1972Game TestingUral Championship 2013642718

1973Location GeneratorUral Championship 2013305029

1974Similar TunesUral Championship 2013197972

1975Model of the EarthUral Championship 2013443725

1976Game OptimizationUral Championship 20131731099

1977Energy WallUral Championship 2013792260

1978E-LiteUral Championship 2013682579

1979Resources DistributionUral Championship 20131601183

1980Road to InvestorUral Championship 2013339576

1981Parallel and PerpendicularUral FU Championship 2013554346

1982Electrification PlanUral FU Championship 20131582123

1983Nectar GatheringUral FU Championship 20131391310

1984Dummy GuyUral FU Championship 20131129171

1985Prime SquareUral FU Championship 20131171537

1986Paul’s SaladsUral FU Championship 2013197943

1987Nested SegmentsUral FU Championship 2013966200

1988Planet Ocean LandingUral FU Championship 2013194957

1989SubpalindromesUral FU Championship 2013645298

1990PodracingNEERC 2013 Eastern Subregional228818

1991The battle near the swampNEERC 2013 Eastern Subregional439044

1992CVSNEERC 2013 Eastern Subregional554345

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1115173

1994The Emperor's planNEERC 2013 Eastern Subregional214869

1995Illegal spicesNEERC 2013 Eastern Subregional394482

1996Cipher Message 3NEERC 2013 Eastern Subregional185998

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional424449

1998The old PadawanNEERC 2013 Eastern Subregional635302

1999The secret moduleNEERC 2013 Eastern Subregional265407

2000Grand Theft Array VUral Regional School Programming Contest 20131456132

2001Mathematicians and BerriesUral Regional School Programming Contest 2013869622

2002Test TaskUral Regional School Programming Contest 2013292166

2003Simple MagicUral Regional School Programming Contest 2013633301

2004Scientists from SpilkovoUral Regional School Programming Contest 2013303618

2005Taxi for ProgrammersUral Regional School Programming Contest 2013250077

2006Kirill the GardenerUral Regional School Programming Contest 2013483338

2007Mutants versus MachinesUral Regional School Programming Contest 20131171524

2008SwiftyUral Regional School Programming Contest 2013212872

2009Canteen LineUral Regional School Programming Contest 2013274682

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131736111

2011Long StatementUral Regional School Programming Contest 2013227185

2012About Grisha N.NEERC 2014 Eastern Subregional998617

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional217741

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional358457

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional685242

2016Magic and ScienceNEERC 2014 Eastern Subregional166467

2017Best of a bad lotNEERC 2014 Eastern Subregional1461078

2018The Debut AlbumNEERC 2014 Eastern Subregional172997

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional739224

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1277131

2021Scarily interesting!NEERC 2014 Eastern Subregional466353

2022Riding a ToadNEERC 2014 Eastern Subregional472950

2023Donald is a postmanNEERC 2014 Eastern Subregional478835

2024Adventure TimeUral Regional School Programming Contest 2014616267

2025Line FightingUral Regional School Programming Contest 2014182491

2026Dean and ScheduleUral Regional School Programming Contest 2014350464

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014401407

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014240668

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014288561

2030Awesome Backup SystemUral Regional School Programming Contest 2014378431

2031Overturned NumbersUral Regional School Programming Contest 2014229473

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014256628

2033DevicesUral Regional School Programming Contest 2014167299

2034CaravansUral Regional School Programming Contest 2014614268

2035Another Dress RehearsalUral Regional School Programming Contest 2014253166

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1211264

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest158985

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672150

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest195708

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest222714

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest741971

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest254730

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest333850

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest632268

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest327491

2046The First Day at SchoolUral Championship 2015377396

2047MathsUral Championship 2015367406

2048HistoryUral Championship 2015206709

2049ChemistryUral Championship 2015383189

20503D-modelingUral Championship 2015552355

2051PhysicsUral Championship 2015343479

2052Physical EducationUral Championship 20151191187

2053BiologyUral Championship 2015393124

2054AstronomyUral Championship 2015156122

2055Urban GeographyUral Championship 20151081297

2056ScholarshipUral Championship 2015313849

2057Non-palidromic cuttingPalindromic Contest 353290

2058100500 palidnromesPalindromic Contest 851558

2059Not common palindromesPalindromic Contest 1171166

2060Subpalindrome pairsPalindromic Contest 233609

2061OEIS A216264Palindromic Contest 343365

2062Ambitious ExperimentUral Regional School Programming Contest 2015390352

2063Black and WhiteUral Regional School Programming Contest 2015345397

2064CaterpillarsUral Regional School Programming Contest 2015177754

2065Different SumsUral Regional School Programming Contest 2015585237

2066Simple ExpressionUral Regional School Programming Contest 2015509828

2067Friends and BerriesUral Regional School Programming Contest 2015540256

2068Game of NutsUral Regional School Programming Contest 2015167883

2069Hard RockUral Regional School Programming Contest 2015832167

2070Interesting NumbersUral Regional School Programming Contest 2015694200

2071Juice CocktailsUral Regional School Programming Contest 2015270503

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015775180

2073Log FilesUral Regional School Programming Contest 2015786177

2074Timus problems classifierQualification of Eastern Subregional 2015173721

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442442

2076VasianaQualification of Eastern Subregional 2015106594

2077ReductionsQualification of Eastern Subregional 2015155276

2078Bowling gameUral Championship 2016369328

2079Memory leaksUral Championship 2016214014

2080WalletUral Championship 2016196604

2081Faulty dialUral Championship 2016223534

2082PokerUral Championship 201686888

2083The Guardian of TraditionsUral Championship 2016392539

2084Technical debtUral Championship 2016352765

2085Magic ProgrammerUral Championship 2016781414

2086Find DenisUral Championship 2016184443

2087TrainsUral Championship 2016303110

2088Nostalgic EveningUral Championship 2016145134

2089Experienced coachUral Championship 2016159736

2090Crossroads of DestinyUral FU Personal Contest 2014194205

2091Natural SelectionUral FU Personal Contest 2014605198

2092BoleroUral FU Personal Contest 2014125903

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014891232

2094Thousand ImpsUral FU Personal Contest 2014145081

2095ScrumUral FU Personal Contest 2014551217

2096All InclusiveUral FU Personal Contest 2014372595

2097Snowboarding on SpilnayaUral FU Personal Contest 2014611717

2098Lada PrioraUral FU Personal Contest 2014509235

2099Space InvaderUral FU Personal Contest 2014221528

2100Wedding DinnerUral FU Junior Championship 2016381929

2101Knight's ShieldUral FU Junior Championship 2016661482

2102Michael and CryptographyUral FU Junior Championship 2016893125

2103Corporate MailUral FU Junior Championship 20161021005

2104Game with a StripUral FU Junior Championship 2016388283

2105Alice and Bob are on BikesUral FU Junior Championship 2016511216

2106DeserializationUral FU Junior Championship 2016142741

2107Oppa Funcan StyleUral FU Junior Championship 2016671462

2108Oleg and Little PoniesUral FU Junior Championship 2016316345

2109Tourism on MarsUral FU Junior Championship 2016269404

2110Remove or MaximizeUral FU Junior Championship 2016131799

2111PlatoUniversity academic school olympiad in informatics 201965081

2112Battle logUniversity academic school olympiad in informatics 201991528

2113Survive the floodUniversity academic school olympiad in informatics 2019147340

2114My craftUniversity academic school olympiad in informatics 201967693

2115The Knowledge DayUniversity academic school olympiad in informatics 2019292177

2116He is not a knight for youUniversity academic school olympiad in informatics 201988545

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019110445

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest112432

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest391042

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest251459

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest66672

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest102554

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest381064

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest241502

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest132221

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest291310

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest92688

2128Rubina's SolitaireLater is better than never50768

2129Mortgage in Far Away KingdomLater is better than never301152

2130Alice + BobLater is better than never57688

2131Open CupLater is better than never23839

2132Graph Decomposition. Version 2Later is better than never191588

2133Terms of referenceLater is better than never141919

2134StampmanLater is better than never321097

2135Pauline and commitsLater is better than never49781

2136John vs SantaLater is better than never221439

2137Dynamic string complexityLater is better than never43290

2138The Good, the Bad and the UglyUral School Programming Contest 2019265148

2139Experiment with JuiceUral School Programming Contest 201972389

2140BitMazeCraftUral School Programming Contest 201935903

2141Sasha VilkinUral School Programming Contest 2019134282

2142MagicUral School Programming Contest 2019199194

2143Victoria!Ural School Programming Contest 201955625

2144Cleaning the RoomUral School Programming Contest 2019121310

2145Olympiad for EveryoneUral School Programming Contest 2019113330

2146Quiz ShowUral School Programming Contest 201966534

2147City BuildingUral School Programming Contest 2019181451

2148Insane ShotUral School Programming Contest 201974484

2149Pigeonhole PrincipleUral School Programming Contest 2019201193