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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem9538416

1001Reverse Root2928715

1002Phone NumbersCentral European Olympiad in Informatics 19996502219

1003ParityCentral European Olympiad in Informatics 19993749380

1004Sightseeing TripCentral European Olympiad in Informatics 19992523565

1005Stone PileUSU Championship 19971685385

1006Square FramesUSU Championship 19971524931

1007Code WordsUSU Championship 19973714384

1008Image EncodingUSTU PhysTech Cup 20004083349

1009K-based NumbersUSU Championship 19971530693

1010Discrete FunctionUSTU PhysTech Cup 20005144277

1011ConductorsUSU Championship 19975980238

1012K-based Numbers. Version 28190174

1013K-based Numbers. Version 31049187

1014Product of DigitsUSU Local Contest. 19991469197

1015Test the Difference!USU Local Contest. 19993294431

1016Cube on the WalkUSU Local Contest. 19991807783

1017StaircasesUSU Local Contest. 19999294153

1018Binary Apple TreeUSU Local Contest. 19995083279

1019Line PaintingUSU Local Contest. 19993209442

1020RopeAutumn School Contest 200014234100

1021Sacrament of the SumAutumn School Contest 20009941143

1022Genealogical TreeAutumn School Contest 200010380137

1023ButtonsAutumn School Contest 20006876206

1024PermutationsAutumn School Contest 20004638306

1025Democracy in DangerAutumn School Contest 20002105667

1026Questions and AnswersAutumn School Contest 20009041157

1027D++ AgainAutumn School Contest 20002396591

1028StarsUral Championship 19995430261

1029MinistryUral Championship 19993605342

1030TitanicUral Championship 19991665846

1031Railway TicketsUral Championship 19993823370

1032Find a MultipleUral Championship 19994143297

1033LabyrinthUral Championship 19996143230

1034Queens in Peaceful PositionsUral Championship 19991844765

1035Cross-stitchUral Championship 199910571326

1036Lucky Tickets4769297

1037Memory ManagementUSU Championship 200012071154

1038Spell CheckerUSU Championship 20003041460

1039Anniversary PartyUSU Championship 20003726376

1040Airline CompanyUSU Championship 20001430975

1041NikiforUSU Championship 20006552112

1042Central HeatingUSU Championship 20001740803

1043Cover an ArcUSU Championship 20008731591

1044Lucky Tickets. Easy!USU Championship 200011709120

1045Funny GameUSU Local Contest. March 20002726508

1046Geometrical DreamsUSU Local Contest. March 20007501826

1047Simple CalculationsUSU Local Contest. March 20004719294

1048Superlong SumsUSU Local Contest. March 20007193192

1049Brave BalloonistsUSU Local Contest. March 20005775240

1050Preparing an ArticleUSU Local Contest. March 200010061366

1051Simple Game on a GridUSU Local Contest. March 20002750503

1052Rabbit HuntUSU Local Contest. March 20006099227

1053PinocchioNEERC 2000 Central Subregional4280323

1054Tower of HanoiNEERC 2000 Central Subregional2098657

1055CombinationsNEERC 2000 Central Subregional3446401

1056Centers of the NetNEERC 2000 Central Subregional2594532

1057Amount of DegreesNEERC 2000 Central Subregional1962702

1058ChocolateNEERC 2000 Central Subregional4792826

1059ExpressionNEERC 2000 Central Subregional2159639

1060Flip GameNEERC 20003672356

1061Buffer ManagerNEERC 20002070631

1062TriathlonNEERC 20007191798

1063Domino PuzzleNEERC 20006022141

1064Binary SearchNEERC 20002104621

1065FrontierNEERC 20009451374

1066GarlandNEERC 20002377549

1067Disk TreeNEERC 20002697484

1068Sum3482738

1069Prufer CodeUSU Personal Contest 20012467515

1070Local TimeUSU Personal Contest 20012002634

1071Nikifor 2USU Personal Contest 20012127597

1072RoutingUSU Personal Contest 20012611486

1073Square CountryUSU Personal Contest 20018682147

1074Very Short ProblemUSU Personal Contest 20016082063

1075Thread in a SpaceUSU Personal Contest 20016152040

1076Trash1859678

1077Travelling Tours1142399

1078SegmentsWinter Mathematical Festival Varna 20013539355

1079MaximumWinter Mathematical Festival Varna 200111498110

1080Map ColoringWinter Mathematical Festival Varna 20015507229

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014871258

1082Gaby IvanushkaSpring School Contest 200110386120

1083Factorials!!!Spring School Contest 20011836968

1084Goat in the GardenSpring School Contest 20018488147

1085MeetingSpring School Contest 20012070601

1086CryptographySpring School Contest 200111611108

1087The Time to Take StonesSpring School Contest 20014569273

1088Ilya MurometzSpring School Contest 20011761706

1089Verification with a VocabularySpring School Contest 20012693463

1090In the Army NowUSU Local Contest. March 20013394349

1091Tmutarakan ExamsUSU Local Contest. March 20012303514

1092TransversalUSU Local Contest. March 20015242225

1093DartsUSU Local Contest. March 20016051932

1094E-screenUSU Local Contest. March 20012705438

1095Nikifor 3USU Local Contest. March 20012128556

1096Get the Right Route Plate!USU Local Contest. March 20011727684

1097Square Country 2USU Local Contest. March 20018781338

1098Questions2141528

1099Work Scheduling9341139

1100Final StandingsTetrahedron Team Online Contest May 20011023845

1101Robot in the FieldTetrahedron Team Online Contest May 2001818552

1102Strange DialogTetrahedron Team Online Contest May 20012666171

1103Pencils and CirclesTetrahedron Team Online Contest May 2001912496

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001490293

1105Observers ColoringTetrahedron Team Online Contest May 2001557807

1106Two TeamsTetrahedron Team Online Contest May 2001605075

1107Warehouse ProblemTetrahedron Team Online Contest May 20011092415

1108HeritageBulgarian Online Contest September 20011859246

1109ConferenceBulgarian Online Contest September 20011862246

1110PowerBulgarian Online Contest September 2001876652

1111SquaresBulgarian Online Contest September 20011149397

1112CoverBulgarian Online Contest September 20012453187

1113JeepBulgarian Online Contest September 20011750261

1114BoxesBulgarian Online Contest September 20012450187

1115ShipsBulgarian Online Contest September 20011114409

1116Piecewise Constant FunctionAutumn School Contest 20011430319

1117HierarchyAutumn School Contest 20011684271

1118Nontrivial NumbersAutumn School Contest 20014491102

1119MetroAutumn School Contest 2001635272

1120Sum of Sequential NumbersAutumn School Contest 2001527487

1121BranchesAutumn School Contest 20011346339

1122GameAutumn School Contest 20011906240

1123SalaryAutumn School Contest 20013833120

1124MosaicUSU Championship 20011514302

1125HopscotchUSU Championship 20012015227

1126Magnetic StormsUSU Championship 2001480096

1127Colored BricksUSU Championship 20011462313

1128Partition into GroupsUSU Championship 20011109411

1129Door PaintingUSU Championship 20011030442

1130Nikifor's WalkUSU Championship 2001484932

1131CopyingUSU Championship 2001609975

1132Square Root788577

1133Fibonacci SequenceNEERC 2001 Central Subregional2091219

1134CardsNEERC 2001 Central Subregional2548180

1135RecruitsNEERC 2001 Central Subregional2824162

1136ParliamentNEERC 2001 Central Subregional462599

1137Bus RoutesNEERC 2001 Central Subregional1339341

1138Integer PercentageNEERC 2001 Central Subregional2305199

1139City BlocksNEERC 2001 Central Subregional595777

1140Swamp IncidentNEERC 2001 Central Subregional1239369

1141RSA Attack1258363

1142RelationsDSAP Vietnam Online Contest November 20013090149

1143Electric PathDSAP Vietnam Online Contest November 2001800569

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012391850

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011197382

1146Maximum SumDSAP Vietnam Online Contest November 2001576980

1147Shaping RegionsDSAP Vietnam Online Contest November 2001585774

1148Building TowersDSAP Vietnam Online Contest November 20012531752

1149Sinus Dances755161

1150Page NumbersUral Championship 2001. Round 21901241

1151RadiobeaconsUral Championship 2001. Round 24321043

1152False MirrorsUral Championship 2001. Round 22917158

1153SupercomputerUral Championship 2001. Round 21542297

1154Mages ContestUral Championship 2001. Round 2522867

1155TroubleduonsUral Championship 2001. Round 21463313

1156Two RoundsUral Championship 2001. Round 21400327

1157Young TilerUral Championship 2001. Round 22764166

1158Censored!NEERC 2001 Northern Subregional917497

1159FenceNEERC 2001 Northern Subregional627724

1160NetworkNEERC 2001 Northern Subregional2023230

1161StripiesNEERC 2001 Northern Subregional506291

1162Currency ExchangeNEERC 2001 Northern Subregional1330344

1163ChapaevNEERC 2001 Northern Subregional2261954

1164FillwordNEERC 2001 Northern Subregional2305199

1165SubnumberNEERC 2001 Northern Subregional510887

1166Funny Card GameNEERC 2001 Northern Subregional1253508

1167Bicolored HorsesRomanian Online Contest December 20013399135

1168Radio StationsRomanian Online Contest December 2001630721

1169PairsRomanian Online Contest December 2001634716

1170DesertRomanian Online Contest December 20013011483

1171Lost in SpaceRomanian Online Contest December 20013441303

1172Ship RoutesRomanian Online Contest December 2001835546

1173Lazy SnailRomanian Online Contest December 20014281053

1174Weird PermutationsRomanian Online Contest December 2001659689

1175Strange SequenceUSU Personal Contest 2002483938

1176HyperchannelsUSU Personal Contest 20021290356

1177Like ComparisonsUSU Personal Contest 20023571260

1178Akbardin’s RoadsUSU Personal Contest 20023174145

1179Numbers in TextUSU Personal Contest 20021626283

1180Stone GameUSU Personal Contest 2002535786

1181Cutting a Painted PolygonUSU Personal Contest 20021045438

1182Team Them Up!NEERC 2001894512

1183Brackets SequenceNEERC 20012297201

1184Cable MasterNEERC 20011751263

1185WallNEERC 20011506305

1186Chemical ReactionsNEERC 2001666684

1187Statistical TroubleNEERC 20012172039

1188LibraryNEERC 20012072133

1189Pairs of IntegersNEERC 2001929493

1190Bar of ChocolateSpring School Contest 20021515303

1191Catch the thief!Spring School Contest 20021893243

1192Ball in a DreamSpring School Contest 20024203110

1193Queue at the ExamSpring School Contest 20022567180

1194HandshakesSpring School Contest 2002575180

1195Ouths and CrossesSpring School Contest 20021822253

1196History ExamSpring School Contest 2002838055

1197Lonesome KnightSpring School Contest 20021623628

1198Jobbery936511

1199Mouse1083695

1200Horns and HoofsUSU Local Contest. March 20021844250

1201Which Day Is It?USU Local Contest. March 20021304352

1202Rectangles TravelUSU Local Contest. March 20021031445

1203Scientific ConferenceUSU Local Contest. March 2002542885

1204IdempotentsUSU Local Contest. March 20022053224

1205By the Underground or by Foot?USU Local Contest. March 20022014229

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023851120

1207Median on the PlaneUSU Local Contest. March 20022586178

1208Legendary Teams ContestUSU Local Contest. March 20022186211

12091, 10, 100, 1000...Autumn School Contest 20021300636

1210Kind SpiritsAutumn School Contest 20023167147

1211Collective GuaranteeAutumn School Contest 20021461317

1212BattleshipAutumn School Contest 2002925499

1213Cockroaches!Autumn School Contest 20022769168

1214Strange ProcedureAutumn School Contest 20024652100

1215Exactness of Projectile HitAutumn School Contest 20021552299

1216Two Pawns and One KingUSU Championship 20022172058

1217Unlucky TicketsUSU Championship 20021144405

1218Episode N-th: The Jedi TournamentUSU Championship 20021445321

1219Symbolic SequenceUSU Championship 20024004116

1220StacksUSU Championship 20021709272

1221Malevich Strikes Back!USU Championship 20021108418

1222Chernobyl’ EaglesUSU Championship 20023358139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021503309

1224SpiralNEERC 2002 Central Subregional697167

1225FlagsNEERC 2002 Central Subregional1265537

1226esreveR redrONEERC 2002 Central Subregional4201111

1227Rally ChampionshipNEERC 2002 Central Subregional1510307

1228ArrayNEERC 2002 Central Subregional4473104

1229Strong BrickworkNEERC 2002 Central Subregional1245372

1230Introspective ProgramNEERC 2002 Central Subregional623738

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2102124

1232Asteroid LandingNEERC 2002 Central Subregional1862384

1233Amusing NumbersNEERC 2002485945

1234BricksNEERC 2002689670

1235Cricket FieldNEERC 2002618745

1236Decoding TaskNEERC 2002931497

1237Evacuation PlanNEERC 2002481954

1238FoldingNEERC 20021097423

1239Ghost BustersNEERC 20021472981

1240Heroes of Might and MagicNEERC 20023241401

1241Inlay CuttersNEERC 20022731655

1242WerewolfUSU Personal Contest 20032387196

1243Divorce of the Seven DwarfsUSU Personal Contest 2003930350

1244GentlemenUSU Personal Contest 20031810258

1245PicturesUSU Personal Contest 2003499922

1246Tethered DogUSU Personal Contest 20031396334

1247Check a SequenceUSU Personal Contest 20031977236

1248Sequence SumUSU Personal Contest 2003705657

1249Ancient NecropolisUSU Local Contest. March 20032197213

1250Sea BurialUSU Local Contest. March 2003647715

1251Cemetery ManagerUSU Local Contest. March 20032771637

1252Sorting the TombstonesUSU Local Contest. March 20031167399

1253NecrologuesUSU Local Contest. March 2003674687

1254Die HardUSU Local Contest. March 2003724640

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031725271

1256Cemetery GuardUSU Local Contest. March 20031962281

1257HyphenationAutumn School Contest 20032661716

1258PoolAutumn School Contest 20031125417

1259How to Become Star?Autumn School Contest 20031215387

1260Nudnik PhotographerAutumn School Contest 20034278110

1261TipsAutumn School Contest 20031420331

1262Pseudo-Roman NumberAutumn School Contest 20031243378

1263ElectionsAutumn School Contest 20031084444

1264WorkdaysAutumn School Contest 20032096123

1265MirrorUSU Championship 20033051504

1266Kirchhoff's LawUSU Championship 20033131467

1267Yekaterinburg SubwayUSU Championship 20032461851

1268Little ChuUSU Championship 2003638731

1269Obscene Words FilterUSU Championship 2003549848

1270UnicubeUSU Championship 20031852430

1271Sailing DirectionsUSU Championship 2003924645

1272Non-Yekaterinburg SubwayUSU Championship 20033128151

1273TieUSU Championship 20031013463

1274Fractional ArithmeticNEERC 2003 Central Subregional682685

1275Knights of the Round TableNEERC 2003 Central Subregional1672678

1276TrainNEERC 2003 Central Subregional602775

1277Cops and ThievesNEERC 2003 Central Subregional598780

1278“… Connecting People”NEERC 2003 Central Subregional479969

1279WarehouseNEERC 2003 Central Subregional1140412

1280Topological SortingNEERC 2003 Central Subregional3312143

1281River BasinNEERC 2003 Central Subregional3291398

1282Game TreeNEERC 2003 Central Subregional1412333

1283DwarfUSU Personal Contest 20043980119

1284Space PokerUSU Personal Contest 20041922356

1285Thread in a HyperspaceUSU Personal Contest 20042741676

1286Starship TravelUSU Personal Contest 2004706665

1287Mars CanalsUSU Personal Contest 20041267373

1288AstrolocationUSU Personal Contest 20042022245

1289One Way TicketUSU Personal Contest 20041204392

1290SabotageSpring School Contest 2004602379

1291Gear-wheelsSpring School Contest 20041197394

1292Mars Space StationsSpring School Contest 20041278370

1293EniyaSpring School Contest 20043035516

1294Mars SatellitesSpring School Contest 20041533309

1295Crazy NotionsSpring School Contest 20043138151

1296HyperjumpSpring School Contest 2004580082

1297PalindromeSpring School Contest 2004574883

1298KnightSpring School Contest 20041896250

1299PsyloniansSpring School Contest 20043101488

1300TaxesUral Championship 19981622770

1301Cube in LabyrinthUral Championship 1998635739

1302Delta-waveUral Championship 19981400338

1303Minimal CoverageUral Championship 19982433195

1304ParallelepipedUral Championship 19982421890

1305Convex HullUral Championship 1998674696

1306Sequence MedianUral Championship 19983326143

1307ArchiverUral Championship 2004. Round 13611285

1308Dean's PyramidUral Championship 2004. Round 11592820

1309DisputeUral Championship 2004. Round 1774608

1310ACM DiagnosticsUral Championship 2004. Round 14281088

1311Stable ConstructionUral Championship 2004. Round 13211440

1312TrayUral Championship 2004. Round 11552889

1313Some Words about SportUral Championship 2004. Round 11334236

1314Chase in SubwayUral Championship 2004. Round 1763617

1315MDPAR and MIIARUral Championship 2004. Round 12381922

1316Electronic AuctionUral Championship 2004. Round 11082437

1317HailUral Championship 2004. Round 24371066

1318LogarithmUral Championship 2004. Round 23291406

1319HotelUral Championship 2004. Round 21203040

1320Graph DecompositionUral Championship 2004. Round 21595297

1321Floor IndicatorUral Championship 2004. Round 23441347

1322SpyUral Championship 2004. Round 21452326

1323ClassmatesUral Championship 2004. Round 2579809

1324Extra SpacesUral Championship 2004. Round 2498938

1325DirtUral Championship 2004. Round 2855551

1326Bottle TapsUral Championship 2004. Round 21147412

1327FusesAutumn School Contest 20041015847

1328FireballAutumn School Contest 20043431359

1329Galactic HistoryAutumn School Contest 20041016467

1330IntervalsAutumn School Contest 2004484599

1331VladislavaAutumn School Contest 2004473993

1332Genie BomberAutumn School Contest 2004769616

1333Genie Bomber 2Autumn School Contest 20042221215

1334CheckersAutumn School Contest 2004897529

1335White ThesisAutumn School Contest 20042700177

1336Problem of Ben BetsalelAutumn School Contest 20043962121

1337BureaucracyAutumn School Contest 20043021537

1338AutomobilesUSU Championship 20042621770

1339BabiesUSU Championship 2004530891

1340CucarachaUSU Championship 2004884912

1341DeviceUSU Championship 20044201120

1342EnterpriseUSU Championship 2004615770

1343Fairy TaleUSU Championship 20041121426

1344Gigantic TurnipUSU Championship 2004974499

1345HTMLUSU Championship 20043381383

1346Intervals of MonotonicityUSU Championship 20041611297

1347BlogSpring School Contest 20053371388

1348Goat in the Garden 2Spring School Contest 20052513191

1349FarmSpring School Contest 2005936351

1350CanteenSpring School Contest 20051226390

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005904527

1352Mersenne PrimesSpring School Contest 20053728129

1353Milliard Vasya's FunctionSpring School Contest 20054591105

1354Palindrome. Again PalindromeSpring School Contest 20053430140

1355Bald Spot RevisitedSpring School Contest 20052224216

1356Something EasierSpring School Contest 20051472325

1357Teakettle 1.0 for DummiesSpring School Contest 20053941192

1358CablesSpring School Contest 2005865551

1359ConstructionSpring School Contest 20053901204

1360Philosophical DisputeUral Championship 2005. Round 23591307

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22062232

1362Classmates 2Ural Championship 2005. Round 21054453

1363HalftonesUral Championship 2005. Round 2745741

1364LaraKillerUral Championship 2005. Round 2491963

1365Testing CalculatorUral Championship 2005. Round 2894871

1366PresentsUral Championship 2005. Round 2908525

1367Top SecretUral Championship 2005. Round 21453111

1368Goat in the Garden 3Ural Championship 2005. Round 21862460

1369Cockroach RaceUral Championship 2005. Round 22613395

1370MagicianUral Championship 2005. Round 2524092

1371Cargo AgencyUral Championship 2005. Round 1892536

1372Death StarUral Championship 2005. Round 1745758

1373Pictura ex MachinaUral Championship 2005. Round 1563844

1374MisereUral Championship 2005. Round 13211515

1375Bill CleversUral Championship 2005. Round 1885540

1376Dean's Pyramid 2Ural Championship 2005. Round 1409673

1377Lara CroftUral Championship 2005. Round 11664289

1378Artificial IntelligenceUral Championship 2005. Round 13181474

1379Cups TransportationUral Championship 2005. Round 1694687

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1094065

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1283505

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2631772

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest399872

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest845146

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2000241

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4151138

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3041540

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016124

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest824580

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest409674

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest815316

1392Dreaming of Stars625762

1393Average Common Prefix4031160

1394Ships. Version 21420156

1395Pascal vs. C++. Version 21682597

1396Maximum. Version 22202004

1397Points Game2501717

1398Bishop and Pawn486879

1399Economical Director3010899

1400Cellular CharactersAutumn School Contest 2005875547

1401GamersAutumn School Contest 20051474326

1402CocktailsAutumn School Contest 20053759128

1403CourierAutumn School Contest 20051321363

1404Easy to Hack!Autumn School Contest 2005595381

1405Goat in the Garden 5Autumn School Contest 2005677704

1406Next NumberAutumn School Contest 20051417339

1407One-two, One-twoAutumn School Contest 20051258381

1408Polynomial MultiplicationAutumn School Contest 20054021174

1409Two GangstersAutumn School Contest 20052898917

1410CrackUSU Championship 20051237387

141140 Islands KnightsUSU Championship 20051463090

1412Autumn TideUSU Championship 20053131493

1413Mars JumperUSU Championship 20052743175

1414Astronomical DatabaseUSU Championship 20051085440

1415Mobile LifeUSU Championship 2005439093

1416ConfidentialUSU Championship 20051171408

1417Space Poker 2USU Championship 20052441898

1418Military StoryUSU Championship 2005531891

1419Maps of the Island WorldsUSU Championship 20053831227

1420Integer-Valued Complex DivisionUSU Championship 20052491861

1421Credit OperationsTimus Top Coders: First Challenge862540

1422FirefliesTimus Top Coders: First Challenge529873

1423String TaleTimus Top Coders: First Challenge2685175

1424MinibusTimus Top Coders: First Challenge651712

1425Queen 2Timus Top Coders: First Challenge2631723

1426RectanglesTimus Top Coders: First Challenge825114

1427SMSTimus Top Coders: First Challenge1289362

1428Jedi RiddleTimus Top Coders: First Challenge951490

1429BiscuitsTimus Top Coders: First Challenge1682643

1430Crime and PunishmentTimus Top Coders: First Challenge1014459

1431DiplomasUSU Personal Contest 20061309356

1432Twofold LuckUSU Personal Contest 2006497948

1433DiamondsUSU Personal Contest 20061829255

1434Buses in VasyukiUSU Personal Contest 20064511017

1435Financial ErrorUSU Personal Contest 2006472973

1436BillboardUSU Personal Contest 2006561821

1437Gasoline StationUSU Personal Contest 2006936496

1438Time Limit ExceededUSU Personal Contest 20061482968

1439Battle with You-Know-WhoUral Championship 20061031447

1440Training ScheduleUral Championship 2006662693

1441From the History of Gringotts BankUral Championship 20063951150

1442Floo PowderUral Championship 20061373168

1443RailsUral Championship 2006695661

1444ElephpotamusUral Championship 2006712645

1445Christmas giftsUral Championship 2006789583

1446Sorting HatUral Championship 2006512291

1447Portkey NetworkUral Championship 20064411033

1448Lighting in HogwartsUral Championship 2006809569

1449Credit Operations 2Timus Top Coders: Second Challenge3081455

1450Russian PipelinesTimus Top Coders: Second Challenge2037226

1451Beerhouse TaleTimus Top Coders: Second Challenge455995

1452Pascal vs. C++Timus Top Coders: Second Challenge746612

1453QueenTimus Top Coders: Second Challenge3731208

1454Rectangles 2Timus Top Coders: Second Challenge1732529

1455Freedom of SpeechTimus Top Coders: Second Challenge2202012

1456Jedi Riddle 2Timus Top Coders: Second Challenge605753

1457Heating MainTimus Top Coders: Second Challenge686967

1458War GamesTimus Top Coders: Second Challenge3761199

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2491741

1460WiresPetrozavodsk Winter 2006. USU Contest974214

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4351013

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest527840

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest718619

1464LightPetrozavodsk Winter 2006. USU Contest1472872

1465Pawn GamePetrozavodsk Winter 2006. USU Contest900495

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1323175

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3661199

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest529828

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest4211036

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1744254

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2446182

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4101063

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest765190

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest630697

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1014021

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3161369

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1392996

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1043915

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest854698

1480CouponsUSU Championship 2006975452

1481Winning ChancesUSU Championship 20061752405

1482Triangle GameUSU Championship 20061323134

1483Table FootballUSU Championship 20061185372

1484Film RatingUSU Championship 2006653671

1485Football and LieUSU Championship 20062591654

1486Equal SquaresUSU Championship 2006605724

1487Chinese FootballUSU Championship 20063431261

1488ACM PokerUSU Championship 20062781545

1489Points on a ParallelepipedAutumn School Contest 20061124392

1490Fire CircleAutumn School Contest 20062225199

1491Unreal StoryAutumn School Contest 20062079213

1492Vasya's Dad 2Autumn School Contest 20062141983

1493One Step from HappinessAutumn School Contest 2006920648

1494MonobilliardsAutumn School Contest 20063356132

1495One-two, One-two 2Autumn School Contest 20061309337

1496SpammerAutumn School Contest 2006868151

1497Cutting a SquareAutumn School Contest 20061489296

1498Stroke at Full SpeedAutumn School Contest 2006507859

1499KerchiefsAutumn School Contest 20062971447

1500Pass LicensesNEERC 2006 Eastern Subregional693630

1501Sense of BeautyNEERC 2006 Eastern Subregional1667264

1502Domino DotsNEERC 2006 Eastern Subregional598174

1503PolynomialNEERC 2006 Eastern Subregional2451736

1504Good MannersNEERC 2006 Eastern Subregional1882236

1505Oil TransferNEERC 2006 Eastern Subregional1472820

1506Columns of NumbersNEERC 2006 Eastern Subregional2867154

1507Difficult DecisionNEERC 2006 Eastern Subregional1014432

1508Japanese PuzzleNEERC 2006 Eastern Subregional2651610

1509Domino RecognitionNEERC 2006 Eastern Subregional1193433

1510OrderNEERC 2006 Eastern Subregional504888

1511Fiscal OperationsTimus Top Coders: Third Challenge3681158

1512ZiniumTimus Top Coders: Third Challenge518829

1513Lemon TaleTimus Top Coders: Third Challenge1157375

1514National ParkTimus Top Coders: Third Challenge2401751

1515CashmasterTimus Top Coders: Third Challenge2061211

1516NostalgiaTimus Top Coders: Third Challenge2451717

1517Freedom of ChoiceTimus Top Coders: Third Challenge1573277

1518Jedi Riddle 3Timus Top Coders: Third Challenge4131035

1519Formula 1Timus Top Coders: Third Challenge995436

1520Empire Strikes BackTimus Top Coders: Third Challenge1652501

1521War Games 2Timus Top Coders: Third Challenge2243194

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2141925

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1407304

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2611975

1525PathPetrozavodsk Winter 2007. D.Gozman Contest908470

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3101347

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3521191

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1638262

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1043782

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest476887

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3051369

1532Lost in TranslationUSU Personal Contest 20072051999

1533Fat HobbitsUSU Personal Contest 20073971056

1534Football in GondorUSU Personal Contest 2007751565

1535The Hobbit or There and Back AgainUSU Personal Contest 2007878484

1536Delights of Pipe-weedUSU Personal Contest 2007526933

1537EntsUSU Personal Contest 20071525280

1538Towers of GuardUSU Personal Contest 20073331253

1539Intelligence DataUSU Personal Contest 20073901075

1540Battle for the RingUSU Personal Contest 20073911072

1541ChaseUSU Personal Contest 20071912138

1542AutocompletionUral Championship 2007661633

1543Dance RevolutionUral Championship 20071892135

1544Classmates 3Ural Championship 20073441200

1545HieroglyphsUral Championship 2007825451

1546Japanese SortingUral Championship 2007476874

1547Password SearchUral Championship 2007500833

1548Sakura and StatisticsUral Championship 20071715736

1549Another Japanese PuzzleUral Championship 20071722334

1550Dean's Pyramid 3Ural Championship 2007691606

1551Sumo TournamentUral Championship 20071419297

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3391173

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1341303

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest635635

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349307

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349307

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2251743

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest486826

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894137

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest412970

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1352824

1562GM-pineappleUSU Championship 2007979413

1563BayanUSU Championship 2007719557

1564Counting OnesUSU Championship 2007601668

1565The Duel for ThreeUSU Championship 20072261729

1566Triangular PostcardsUSU Championship 20071263001

1567SMS-spamUSU Championship 20071018740

1568Train Car SortingUSU Championship 20072441607

1569Networking the “Iset”USU Championship 20073971003

1570Eating HighUSU Championship 2007440907

1571InterpretersUSU Championship 2007926436

1572Yekaterinozavodsk Great WellAutumn School Contest 20072854142

1573AlchemyAutumn School Contest 20073923104

1574Mathematicians and bracketsAutumn School Contest 20071146352

1575Yekaterinburg Subway 2Autumn School Contest 2007436914

1576Telephone TariffsAutumn School Contest 20072824144

1577E-mailAutumn School Contest 2007847475

1578Mammoth HuntAutumn School Contest 2007460867

1579Coat TransportationAutumn School Contest 2007839480

1580Dean's DebtsAutumn School Contest 2007450886

1581TeamworkAutumn School Contest 2007988041

1582BookmakersNEERC 2007 Eastern Subregional3483116

1583CheeseNEERC 2007 Eastern Subregional2111838

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3071281

1585PenguinsNEERC 2007 Eastern Subregional1021540

1586Threeprime NumbersNEERC 2007 Eastern Subregional2801144

1587Flying PigNEERC 2007 Eastern Subregional500796

1588JamaicaNEERC 2007 Eastern Subregional1276316

1589SokobanNEERC 2007 Eastern Subregional1020304

1590Bacon’s CipherNEERC 2007 Eastern Subregional1966206

1591Abstract ThinkingNEERC 2007 Eastern Subregional3861025

1592Chinese WatchesNEERC 2007 Eastern Subregional679589

1593Square Country. Version 2498713

1594Aztec Treasure654690

1595Perfect Sequence3001134

1596Knight Mare199193

1597Chernobyl’ Eagle on a Roof. Version 2892010

1598DSA Attack344480

1599Winding Number552623

1600AirportUSU Personal Contest 2008712546

1601AntiCAPSUSU Personal Contest 2008441289

1602ElevatorUSU Personal Contest 2008897434

1603EruditeUSU Personal Contest 20081564250

1604Country of FoolsUSU Personal Contest 20081781220

1605Devil's SequenceUSU Personal Contest 2008660588

1606SlalomUSU Personal Contest 2008557695

1607TaxiUSU Personal Contest 2008818948

1608Lucky Tickets 2008Ural Championship 2008386988

1609Tram TileUral Championship 20081322755

1610CactusesUral Championship 20081951908

1611DecimationUral Championship 2008543707

1612Tram ForumUral Championship 20082719143

1613For Fans of StatisticsUral Championship 20082723143

1614National Project “Trams”Ural Championship 2008479800

1615Tram SolitaireUral Championship 20081901956

1616Square Country 4Ural Championship 2008903911

1617Flat SpotsUral Championship 2008613964

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest794247

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest543683

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2461476

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest694784

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1143048

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1013405

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest615323

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest370995

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest397713

1627JoinPetrozavodsk Winter 2008. ITMO Contest3461062

1628White StreaksUSU Championship 20081262293

1629TripUSU Championship 2008464787

1630TalismanUSU Championship 2008373973

1631Drunk King 2USU Championship 2008821449

1632LasersUSU Championship 2008804142

1633HippogriffsUSU Championship 2008499732

1634Spider MiteUSU Championship 20081632155

1635Mnemonics and PalindromesUSU Championship 20081924193

1636Penalty TimeUSU Championship 2008641058

1637Triangle Game 2USU Championship 20081093133

1638BookwormUSU Championship 2008551667

1639Chocolate 2Autumn School Contest 20081147132

1640Circle of WinterAutumn School Contest 20082192169

1641DutiesAutumn School Contest 2008765479

16421D MazeAutumn School Contest 2008393894

1643Attack of the Dark FortressAutumn School Contest 2008793463

1644A Whole Lot of WalnutsAutumn School Contest 2008387196

1645Ski RaceAutumn School Contest 20081908194

1646Godzilla Strikes Back!Autumn School Contest 2008438829

1647Divide an Island!Autumn School Contest 2008460790

1648YachtsAutumn School Contest 20081008365

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional446868

1650BillionairesNEERC 2008 Eastern Subregional1070343

1651Shortest SubchainNEERC 2008 Eastern Subregional1070343

1652Banking CrisisNEERC 2008 Eastern Subregional1342576

1653Death ConveyorNEERC 2008 Eastern Subregional466623

1654Cipher MessageNEERC 2008 Eastern Subregional632159

1655Somali PiratesNEERC 2008 Eastern Subregional1791962

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1851199

1657Cube SnakeNEERC 2008 Eastern Subregional2491432

1658Sum of DigitsNEERC 2008 Eastern Subregional1723214

1659Regular TrianglesNEERC 2008 Eastern Subregional590618

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486317

1661DodecahedronPetrozavodsk Winter 2008. USU Contest774211

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest704580

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1172885

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1821908

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest864419

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2831250

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1811918

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585388

1669Universal WordPetrozavodsk Winter 2008. USU Contest2691313

1670AsteriskPetrozavodsk Summer 2008. USU Contest1941787

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2809129

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2311044

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2541381

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535785

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1991744

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2021719

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2211578

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest456626

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest3521007

1680The First NonqualifyingUSU Personal Contest 20091728207

1681Brother Bear's GardenUSU Personal Contest 2009933495

1682Crazy ProfessorUSU Personal Contest 2009673527

1683FridgeUSU Personal Contest 20092773129

1684Jack's Last WordUSU Personal Contest 20091362262

1685OrthographyUSU Personal Contest 20092086172

1686Photovoltaic SpaceshipUSU Personal Contest 20092461406

1687Numismatics for FunUSU Personal Contest 20092911196

1688Team.GOV!USU Personal Contest 20092845126

1689Fisherman and BarbellUSU Personal Contest 2009410857

1690Army of MagesPetrozavodsk Winter 2009. USU Contest583605

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1023203

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest999356

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2310871

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1132917

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1152870

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest401873

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest575354

1698Square Country 5Petrozavodsk Winter 2009. USU Contest582606

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3381031

1700AwakeningUral Championship 2009759464

1701Ostap and PartnersUral Championship 2009578607

1702CrossroadUral Championship 20091602099

1703Robotic ArmUral Championship 20091841839

1704DemodulationUral Championship 20091073050

1705Gangster HaresUral Championship 2009397877

1706Cipher Message 2Ural Championship 2009559627

1707Hypnotoad's SecretUral Championship 20091831849

1708Sum of Digits 2Ural Championship 20092011893

1709Penguin-AviaUral Championship 20092316153

1710Boris, You Are Wrong!Ural Championship 2009573612

1711Code NamesNEERC 2009 Eastern Subregional2696126

1712Cipher GrilleNEERC 2009 Eastern Subregional427479

1713Key SubstringsNEERC 2009 Eastern Subregional560597

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1062931

1715Another Ball KillerNEERC 2009 Eastern Subregional334988

1716Alternative SolutionNEERC 2009 Eastern Subregional436762

1717Eligibility RulesNEERC 2009 Eastern Subregional1272482

1718RejudgeNEERC 2009 Eastern Subregional1185285

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2311411

1720Summit Online JudgeNEERC 2009 Eastern Subregional358924

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional611548

1722Observation DeckUral Regional School Programming Contest 20092601257

1723Sandro's BookUral Regional School Programming Contest 2009556761

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009528631

1725Sold Out!Ural Regional School Programming Contest 20092554132

1726VisitsUral Regional School Programming Contest 20091705198

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091809187

1728Curse on Team.GOVUral Regional School Programming Contest 2009672498

1729Dead Man's ChestUral Regional School Programming Contest 2009566589

1730ManBearPigUral Regional School Programming Contest 20093091064

1731DillUral Regional School Programming Contest 2009341399

1732Ministry of TruthUSU Championship 2009761438

1733Forgotten TechnologyUSU Championship 2009644568

1734Endgame DatabaseUSU Championship 20091552049

1735Theft of the CenturyUSU Championship 20091102817

1736Chinese HockeyUSU Championship 20092861142

1737Mnemonics and Palindromes 3USU Championship 20091425236

1738Computer SecurityUSU Championship 2009361911

1739FaryuksUSU Championship 20091532074

1740Deer is Better!USU Championship 20092452137

1741Communication FiendUSU Championship 20091238271

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1097299

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest359897

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1561993

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest383842

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2031553

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2451297

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1292254

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1561993

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2701182

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833557

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1157283

1753BookshelfUSU Personal Contest 20101038312

1754Explosion in a PyramidUSU Personal Contest 2010533601

1755CakeUSU Personal Contest 2010412774

1756One and a Half DiggersUSU Personal Contest 20101965165

1757Gold BarsUSU Personal Contest 20101402177

1758Bald Spot Revisited 2USU Personal Contest 20101122677

1759Long-LiversUSU Personal Contest 2010747431

1760Infernal WorkUSU Personal Contest 2010509629

1761Binary PalindromeUSU Personal Contest 20103071030

1762Search for a Hiding-PlaceUSU Personal Contest 20101961585

1763Expert FleaUral Championship 2010535145

1764TranssibUral Championship 20101801706

1765Error 404Ural Championship 2010743858

1766Humpty DumptyUral Championship 20102331334

1767The House of Doctor DeeUral Championship 2010474670

1768Circular StringsUral Championship 20102781125

1769Old Ural LegendUral Championship 20101707189

1770The Party of Ural ChampionsUral Championship 20101871645

1771A Deputy's MorningUral Championship 2010465787

1772Ski-Trails for RobotsUral Championship 2010453700

1773Metro to Every HomeUral Championship 2010409774

1774Barber of the Army of MagesUral SU Championship 2010665457

1775Space BowlingUral SU Championship 2010357841

1776Anniversary FireworkUral SU Championship 2010702434

1777AnindilyakwaUral SU Championship 20102682115

1778Chinese Hockey 2Ural SU Championship 2010664062

1779The Great TeamUral SU Championship 2010991308

1780Gray CodeUral SU Championship 2010359837

1781Clean CodeUral SU Championship 20101451992

1782Jack's New WordUral SU Championship 20101491942

1783Nuclear Arms RaceUral SU Championship 2010706431

1784RoundersUral SU Championship 20102651123

1785Lost in LocalizationUral Regional School Programming Contest 20101922916

1786Sandro's BiographyUral Regional School Programming Contest 20103059100

1787Turn for MEGAUral Regional School Programming Contest 20101210625

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102061149

1789Searching for the DodecahedronUral Regional School Programming Contest 20101538199

1790Searching for the TruthUral Regional School Programming Contest 20102371248

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102251311

1792Hamming CodeUral Regional School Programming Contest 2010397777

1793Tray 2Ural Regional School Programming Contest 2010842362

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101671183

1795Husband in a ShopUral Regional School Programming Contest 20101282239

1796Amusement ParkUral Regional School Programming Contest 20103061100

1797Summit Online Judge. Version 2375342

1798Fire Circle. Version 2463112

1799Sasha and swag strings333960

1800Murphy's LawNEERC 2010 Eastern Subregional1666183

1801The Revolution CupNEERC 2010 Eastern Subregional485293

1802Cube PuzzleNEERC 2010 Eastern Subregional1501919

1803The Czechs' RiflesNEERC 2010 Eastern Subregional448670

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional828366

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional331900

1806Mobile TelegraphsNEERC 2010 Eastern Subregional760399

1807Cartridges for MaximNEERC 2010 Eastern Subregional2161358

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1611795

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional549549

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest683837

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2141336

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1042626

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1921482

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest863118

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest604276

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1192320

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest302959

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1431956

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356652

1820Ural SteaksUSU Personal Contest 20111147526

1821BiathlonUSU Personal Contest 20111831160

1822Hugo II's WarUSU Personal Contest 2011448645

1823Ideal GasUSU Personal Contest 2011931314

1824Ifrit BomberUSU Personal Contest 2011290985

1825Ifrit Bomber 2USU Personal Contest 2011347827

1826MinefieldUSU Personal Contest 20111029284

1827Indigenous WarsUSU Personal Contest 20112661070

1828Approximation by a ProgressionUSU Personal Contest 2011678429

1829Routing TablesUSU Personal Contest 2011863077

1830Help in the RNOSUral Championship 2011334849

1831Tsyfirkin's LessonUral Championship 20111282115

1832Arirang ShowUral Championship 2011334849

1833Hopes of RowingUral Championship 20111052538

1834Tennis RacketUral Championship 2011564423

1835Swamp DoctorUral Championship 2011912890

1836Babel FishUral Championship 20112651061

1837Isenbaev's NumberUral Championship 2011506957

1838Samurai's StrokeUral Championship 2011439650

1839The MentaculusUral Championship 20111112412

1840Victim of AdvertisingUral Championship 2011238846

1841CablewaysPetrozavodsk Summer 2010. USU Contest1212141

1842Local RootsPetrozavodsk Summer 2010. USU Contest346374

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest643790

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1831453

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest554314

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1891148

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544382

1848Fly HuntPetrozavodsk Summer 2010. USU Contest405609

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1132280

1850Space TourismPetrozavodsk Summer 2010. USU Contest952671

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1661591

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1102333

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest297178

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest695397

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2271181

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673636

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2231202

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest613943

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest564242

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest634435

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296915

1862Very Wealthy MoleUral FU Championship 20112351136

1863Peaceful AtomUral FU Championship 2011279963

1864Get-Together at Den'sUral FU Championship 20111754158

1865The Island of MärketUral FU Championship 2011803092

1866Poetic FootUral FU Championship 2011399680

1867NanotechnologiesUral FU Championship 20111072378

1868Prediction ContestUral FU Championship 20111960141

1869New Year CruiseUral FU Championship 20111302212

1870Zinium 2Ural FU Championship 2011442616

1871Seismic WavesUral FU Championship 2011482566

1872Spacious OfficeUral FU Championship 2011381712

1873GOV ChroniclesUral Regional School Programming Contest 2011807340

1874Football GoalUral Regional School Programming Contest 20111554178

1875Angry BirdsUral Regional School Programming Contest 2011304884

1876Centipede's MorningUral Regional School Programming Contest 2011541651

1877Bicycle CodesUral Regional School Programming Contest 20111439019

1878Rubinchik's CubeUral Regional School Programming Contest 20111440192

1879GOV-internship 2Ural Regional School Programming Contest 20112021310

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011910130

1881Long problem statementUral Regional School Programming Contest 2011479258

1882Old NokiaUral Regional School Programming Contest 2011932696

1883Ent's BirthdayUral Regional School Programming Contest 20112431098

1884Way to the UniversityUral Regional School Programming Contest 2011433627

1885Passenger ComfortNEERC 2011 Eastern Subregional1383199

1886Trip 2NEERC 2011 Eastern Subregional1361898

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2671000

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional637428

1889Airport AnnouncementsNEERC 2011 Eastern Subregional993276

1890Money out of Thin AirNEERC 2011 Eastern Subregional601454

1891Language OceanNEERC 2011 Eastern Subregional436621

1892Morning in KoltsovoNEERC 2011 Eastern Subregional341790

1893A380NEERC 2011 Eastern Subregional499755

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1471765

1895Steaks on BoardNEERC 2011 Eastern Subregional1272023

1896War Games 2.1170864

1897Alice and Bob and a string134218

1900Brainwashing DeviceUral Championship 2012509481

1901Space ElevatorsUral Championship 2012543451

1902Neo-VeniceUral Championship 20122457101

1903Unidentified ShipsUral Championship 2012295818

1904The Lessons of the PastUral Championship 2012591415

1905Travel in TimeUral Championship 20122341023

1906The Lost CivilizationUral Championship 2012276745

1907Coffee and BunsUral Championship 20122011183

1908Brute-force SearchUral Championship 20121241862

1909Space ReconUral Championship 2012494230

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional758233

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional533953

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional255940

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1411649

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional484294

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1262196

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional733000

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1196206

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional292825

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1221887

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional391621

1921Chaos and OrderUral Regional School Programming Contest 20122071145

1922Superhero TeamUral Regional School Programming Contest 2012875281

1923Scary PoliticsUral Regional School Programming Contest 2012510478

1924Four ImpsUral Regional School Programming Contest 2012699335

1925British Scientists Save the WorldUral Regional School Programming Contest 2012396463

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012260920

1927Herbs and MagicUral Regional School Programming Contest 2012240994

1928Another Ecology ProblemUral Regional School Programming Contest 2012353685

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012734334

1930Ivan's CarUral Regional School Programming Contest 20121443171

1931Excellent TeamUral FU Championship 20121644150

1932The Secret of IdentifierUral FU Championship 2012277862

1933Guns for Battle!Ural FU Championship 2012678360

1934Black SpotUral FU Championship 2012761321

1935Tears of DrownedUral FU Championship 2012340972

1936RoshamboUral FU Championship 20122261048

1937Davy Jones’s OrganUral FU Championship 20122121114

1938Caribbean TriangleUral FU Championship 2012444582

1939First SealUral FU Championship 2012323743

1940Not So Simple YearsUral FU Championship 2012318754

1941Scary Martian WordUral FU Personal Contest 2012622385

1942Attack at the OrbitUral FU Personal Contest 2012416571

1943Space RummyUral FU Personal Contest 2012301782

1944Record of the Attack at the OrbitUral FU Personal Contest 20121175205

1945Many-armed BrothersUral FU Personal Contest 2012722965

1946Chinese Hockey 3Ural FU Personal Contest 20121361665

1947MeanderUral FU Personal Contest 20121501519

1948The Robot on the LineUral FU Personal Contest 20122031141

1949The Best Picture in the GalaxyUral FU Personal Contest 20121811273

1950Martian FarmlandsUral FU Personal Contest 20121211856

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1271685

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1110991

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection922263

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection553552

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection672998

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection952199

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection374912

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection573446

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection240923

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection539421

1961Cantonese DialectUral FU Personal Contest 2013286778

1962In Chinese RestaurantUral FU Personal Contest 2013314711

1963KiteUral FU Personal Contest 2013502450

1964Chinese DialectsUral FU Personal Contest 20131527150

1965Pear TreesUral FU Personal Contest 2013234944

1966Cycling RoadsUral FU Personal Contest 2013349642

1967Programmer CasinoUral FU Personal Contest 2013355118

1968Glass PyramidUral FU Personal Contest 20131491449

1969Hong Kong TramUral FU Personal Contest 2013832477

1970皇后像廣場Ural FU Personal Contest 20132031081

1971Graphics SettingsUral Championship 2013369599

1972Game TestingUral Championship 2013662989

1973Location GeneratorUral Championship 2013325409

1974Similar TunesUral Championship 20132151010

1975Model of the EarthUral Championship 2013454130

1976Game OptimizationUral Championship 20131891142

1977Energy WallUral Championship 2013832443

1978E-LiteUral Championship 2013732737

1979Resources DistributionUral Championship 20131841171

1980Road to InvestorUral Championship 2013377587

1981Parallel and PerpendicularUral FU Championship 2013580375

1982Electrification PlanUral FU Championship 20131766125

1983Nectar GatheringUral FU Championship 20131431447

1984Dummy GuyUral FU Championship 20131225179

1985Prime SquareUral FU Championship 20131221677

1986Paul’s SaladsUral FU Championship 20132101006

1987Nested SegmentsUral FU Championship 20131316167

1988Planet Ocean LandingUral FU Championship 20132101006

1989SubpalindromesUral FU Championship 2013722302

1990PodracingNEERC 2013 Eastern Subregional237894

1991The battle near the swampNEERC 2013 Eastern Subregional497744

1992CVSNEERC 2013 Eastern Subregional649335

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1215180

1994The Emperor's planNEERC 2013 Eastern Subregional233909

1995Illegal spicesNEERC 2013 Eastern Subregional422511

1996Cipher Message 3NEERC 2013 Eastern Subregional1971067

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional456474

1998The old PadawanNEERC 2013 Eastern Subregional693314

1999The secret moduleNEERC 2013 Eastern Subregional266135

2000Grand Theft Array VUral Regional School Programming Contest 20131591137

2001Mathematicians and BerriesUral Regional School Programming Contest 2013994022

2002Test TaskUral Regional School Programming Contest 2013324468

2003Simple MagicUral Regional School Programming Contest 2013691314

2004Scientists from SpilkovoUral Regional School Programming Contest 2013328650

2005Taxi for ProgrammersUral Regional School Programming Contest 2013272980

2006Kirill the GardenerUral Regional School Programming Contest 2013513604

2007Mutants versus MachinesUral Regional School Programming Contest 20131231653

2008SwiftyUral Regional School Programming Contest 2013231912

2009Canteen LineUral Regional School Programming Contest 2013292728

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131888116

2011Long StatementUral Regional School Programming Contest 2013247788

2012About Grisha N.NEERC 2014 Eastern Subregional1162317

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional233803

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional403473

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional748258

2016Magic and ScienceNEERC 2014 Eastern Subregional177231

2017Best of a bad lotNEERC 2014 Eastern Subregional1561176

2018The Debut AlbumNEERC 2014 Eastern Subregional201097

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional795243

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1432135

2021Scarily interesting!NEERC 2014 Eastern Subregional503381

2022Riding a ToadNEERC 2014 Eastern Subregional503254

2023Donald is a postmanNEERC 2014 Eastern Subregional539436

2024Adventure TimeUral Regional School Programming Contest 2014678282

2025Line FightingUral Regional School Programming Contest 2014249378

2026Dean and ScheduleUral Regional School Programming Contest 2014380498

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014427444

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014257727

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014319590

2030Awesome Backup SystemUral Regional School Programming Contest 2014421451

2031Overturned NumbersUral Regional School Programming Contest 2014261174

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014291645

2033DevicesUral Regional School Programming Contest 20141916101

2034CaravansUral Regional School Programming Contest 2014678282

2035Another Dress RehearsalUral Regional School Programming Contest 2014286668

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1321357

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest1821004

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest742294

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest226022

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest249744

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest852029

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest285072

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest374100

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest762241

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest383490

2046The First Day at SchoolUral Championship 2015415425

2047MathsUral Championship 2015422418

2048HistoryUral Championship 2015235737

2049ChemistryUral Championship 2015532868

20503D-modelingUral Championship 2015602581

2051PhysicsUral Championship 2015393687

2052Physical EducationUral Championship 20151321272

2053BiologyUral Championship 2015483115

2054AstronomyUral Championship 2015176690

2055Urban GeographyUral Championship 20151211379

2056ScholarshipUral Championship 2015392446

2057Non-palidromic cuttingPalindromic Contest 383662

2058100500 palidnromesPalindromic Contest 1061515

2059Not common palindromesPalindromic Contest 1341221

2060Subpalindrome pairsPalindromic Contest 298571

2061OEIS A216264Palindromic Contest 463139

2062Ambitious ExperimentUral Regional School Programming Contest 2015558297

2063Black and WhiteUral Regional School Programming Contest 2015407405

2064CaterpillarsUral Regional School Programming Contest 2015205786

2065Different SumsUral Regional School Programming Contest 2015648257

2066Simple ExpressionUral Regional School Programming Contest 2015617827

2067Friends and BerriesUral Regional School Programming Contest 2015621268

2068Game of NutsUral Regional School Programming Contest 2015188989

2069Hard RockUral Regional School Programming Contest 2015925181

2070Interesting NumbersUral Regional School Programming Contest 2015829201

2071Juice CocktailsUral Regional School Programming Contest 2015310528

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015941178

2073Log FilesUral Regional School Programming Contest 2015873191

2074Timus problems classifierQualification of Eastern Subregional 2015192793

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015492715

2076VasianaQualification of Eastern Subregional 2015146674

2077ReductionsQualification of Eastern Subregional 2015175932

2078Bowling gameUral Championship 2016459326

2079Memory leaksUral Championship 2016234635

2080WalletUral Championship 2016244602

2081Faulty dialUral Championship 2016259569

2082PokerUral Championship 2016126932

2083The Guardian of TraditionsUral Championship 2016572283

2084Technical debtUral Championship 2016403059

2085Magic ProgrammerUral Championship 2016871577

2086Find DenisUral Championship 2016205098

2087TrainsUral Championship 2016353398

2088Nostalgic EveningUral Championship 2016175621

2089Experienced coachUral Championship 2016185784

2090Crossroads of DestinyUral FU Personal Contest 2014214856

2091Natural SelectionUral FU Personal Contest 2014705211

2092BoleroUral FU Personal Contest 2014146965

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141111244

2094Thousand ImpsUral FU Personal Contest 2014165790

2095ScrumUral FU Personal Contest 2014640232

2096All InclusiveUral FU Personal Contest 2014412952

2097Snowboarding on SpilnayaUral FU Personal Contest 2014661981

2098Lada PrioraUral FU Personal Contest 2014586253

2099Space InvaderUral FU Personal Contest 2014246588

2100Wedding DinnerUral FU Junior Championship 2016488029

2101Knight's ShieldUral FU Junior Championship 2016871459

2102Michael and CryptographyUral FU Junior Championship 20161099128

2103Corporate MailUral FU Junior Championship 20161301011

2104Game with a StripUral FU Junior Championship 2016457303

2105Alice and Bob are on BikesUral FU Junior Championship 2016617226

2106DeserializationUral FU Junior Championship 2016160832

2107Oppa Funcan StyleUral FU Junior Championship 2016951348

2108Oleg and Little PoniesUral FU Junior Championship 2016370372

2109Tourism on MarsUral FU Junior Championship 2016323425

2110Remove or MaximizeUral FU Junior Championship 2016161828

2111PlatoUniversity academic school olympiad in informatics 2019128465

2112Battle logUniversity academic school olympiad in informatics 2019132593

2113Survive the floodUniversity academic school olympiad in informatics 2019234345

2114My craftUniversity academic school olympiad in informatics 201999772

2115The Knowledge DayUniversity academic school olympiad in informatics 2019487169

2116He is not a knight for youUniversity academic school olympiad in informatics 2019120648

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019158501

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest252342

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest88837

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest491390

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest123616

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest133565

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest81901

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest541281

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest212645

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest581206

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest143416

2128Rubina's SolitaireLater is better than never86804

2129Mortgage in Far Away KingdomLater is better than never81848

2130Alice + BobLater is better than never97721

2131Open CupLater is better than never84285

2132Graph Decomposition. Version 2Later is better than never351714

2133Terms of referenceLater is better than never272085

2134StampmanLater is better than never521244

2135Pauline and commitsLater is better than never87795

2136John vs SantaLater is better than never311881

2137Dynamic string complexityLater is better than never84285

2138The Good, the Bad and the UglyUral School Programming Contest 2019700101

2139Experiment with JuiceUral School Programming Contest 2019113422

2140BitMazeCraftUral School Programming Contest 201975845

2141Sasha VilkinUral School Programming Contest 2019345202

2142MagicUral School Programming Contest 2019579122

2143Victoria!Ural School Programming Contest 2019119557

2144Cleaning the RoomUral School Programming Contest 2019269258

2145Olympiad for EveryoneUral School Programming Contest 2019235293

2146Quiz ShowUral School Programming Contest 2019134499

2147City BuildingUral School Programming Contest 2019401437

2148Insane ShotUral School Programming Contest 2019152444

2149Pigeonhole PrincipleUral School Programming Contest 2019535132

21504B and ZooUral School Programming Contest 202035965

2151MahjongUral School Programming Contest 202062603

2152Tax FeesUral School Programming Contest 202043819

2153Perfect SquadUral School Programming Contest 202052700

2154Flight on a CannonballUral School Programming Contest 2020121973

2155QuadrocopterUral School Programming Contest 202037924

2156Interesting ConversationsUral School Programming Contest 202069550

2157SkydivingUral School Programming Contest 2020271173