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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem10420116

1001Reverse Root3268714

1002Phone NumbersCentral European Olympiad in Informatics 19996826223

1003ParityCentral European Olympiad in Informatics 19993963385

1004Sightseeing TripCentral European Olympiad in Informatics 19992629579

1005Stone PileUSU Championship 19971944479

1006Square FramesUSU Championship 19971567968

1007Code WordsUSU Championship 19973836397

1008Image EncodingUSTU PhysTech Cup 20004232360

1009K-based NumbersUSU Championship 19971627994

1010Discrete FunctionUSTU PhysTech Cup 20005306287

1011ConductorsUSU Championship 19976221245

1012K-based Numbers. Version 28596177

1013K-based Numbers. Version 31259192

1014Product of DigitsUSU Local Contest. 19991626694

1015Test the Difference!USU Local Contest. 19993390448

1016Cube on the WalkUSU Local Contest. 19991870809

1017StaircasesUSU Local Contest. 19999761156

1018Binary Apple TreeUSU Local Contest. 19995492277

1019Line PaintingUSU Local Contest. 19993308459

1020RopeAutumn School Contest 20001536199

1021Sacrament of the SumAutumn School Contest 200010406146

1022Genealogical TreeAutumn School Contest 200010853140

1023ButtonsAutumn School Contest 20007125213

1024PermutationsAutumn School Contest 20004819315

1025Democracy in DangerAutumn School Contest 20002282067

1026Questions and AnswersAutumn School Contest 20009744156

1027D++ AgainAutumn School Contest 20002427624

1028StarsUral Championship 19995766262

1029MinistryUral Championship 19993768349

1030TitanicUral Championship 19991714879

1031Railway TicketsUral Championship 19993958382

1032Find a MultipleUral Championship 19994417298

1033LabyrinthUral Championship 19996494233

1034Queens in Peaceful PositionsUral Championship 19991886799

1035Cross-stitchUral Championship 199911201338

1036Lucky Tickets5029301

1037Memory ManagementUSU Championship 200012731171

1038Spell CheckerUSU Championship 20003126479

1039Anniversary PartyUSU Championship 20003930381

1040Airline CompanyUSU Championship 20001499995

1041NikiforUSU Championship 20002954924

1042Central HeatingUSU Championship 20001853806

1043Cover an ArcUSU Championship 20009151623

1044Lucky Tickets. Easy!USU Championship 200012451121

1045Funny GameUSU Local Contest. March 20002873515

1046Geometrical DreamsUSU Local Contest. March 20007841868

1047Simple CalculationsUSU Local Contest. March 20004999296

1048Superlong SumsUSU Local Contest. March 20007475198

1049Brave BalloonistsUSU Local Contest. March 20006018246

1050Preparing an ArticleUSU Local Contest. March 200010331422

1051Simple Game on a GridUSU Local Contest. March 20002830522

1052Rabbit HuntUSU Local Contest. March 20006336234

1053PinocchioNEERC 2000 Central Subregional4402336

1054Tower of HanoiNEERC 2000 Central Subregional2312638

1055CombinationsNEERC 2000 Central Subregional3568414

1056Centers of the NetNEERC 2000 Central Subregional2706545

1057Amount of DegreesNEERC 2000 Central Subregional2084707

1058ChocolateNEERC 2000 Central Subregional5192792

1059ExpressionNEERC 2000 Central Subregional2216665

1060Flip GameNEERC 20003796368

1061Buffer ManagerNEERC 20002129655

1062TriathlonNEERC 20007661805

1063Domino PuzzleNEERC 20006282195

1064Binary SearchNEERC 20002164645

1065FrontierNEERC 20009971392

1066GarlandNEERC 20002453569

1067Disk TreeNEERC 20003810367

1068Sum3829637

1069Prufer CodeUSU Personal Contest 20012635515

1070Local TimeUSU Personal Contest 20012080652

1071Nikifor 2USU Personal Contest 20012204615

1072RoutingUSU Personal Contest 20012744495

1073Square CountryUSU Personal Contest 20019642141

1074Very Short ProblemUSU Personal Contest 20016352112

1075Thread in a SpaceUSU Personal Contest 20016632024

1076Trash1914704

1077Travelling Tours1231396

1078SegmentsWinter Mathematical Festival Varna 20013853349

1079MaximumWinter Mathematical Festival Varna 200112248110

1080Map ColoringWinter Mathematical Festival Varna 20017003192

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20015079265

1082Gaby IvanushkaSpring School Contest 200110810123

1083Factorials!!!Spring School Contest 20011986567

1084Goat in the GardenSpring School Contest 20018955149

1085MeetingSpring School Contest 20012155617

1086CryptographySpring School Contest 200112651106

1087The Time to Take StonesSpring School Contest 20014901272

1088Ilya MurometzSpring School Contest 20011807735

1089Verification with the DictionarySpring School Contest 20011595832

1090In the Army NowUSU Local Contest. March 20013516360

1091Tmutarakan ExamsUSU Local Contest. March 20012429521

1092TransversalUSU Local Contest. March 20015432296

1093DartsUSU Local Contest. March 20016361965

1094E-screenUSU Local Contest. March 20012786454

1095Nikifor 3USU Local Contest. March 20012218570

1096Get the Right Route Plate!USU Local Contest. March 20011803700

1097Square Country 2USU Local Contest. March 20019251358

1098Questions2212546

1099Work Scheduling9991138

1100Final StandingsTetrahedron Team Online Contest May 20011112244

1101Robot in the FieldTetrahedron Team Online Contest May 2001885546

1102Strange DialogTetrahedron Team Online Contest May 20012908167

1103Pencils and CirclesTetrahedron Team Online Contest May 2001968499

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001519394

1105Observers ColoringTetrahedron Team Online Contest May 2001587818

1106Two TeamsTetrahedron Team Online Contest May 2001656374

1107Warehouse ProblemTetrahedron Team Online Contest May 20011155419

1108HeritageBulgarian Online Contest September 20011960249

1109ConferenceBulgarian Online Contest September 20011960249

1110PowerBulgarian Online Contest September 2001939952

1111SquaresBulgarian Online Contest September 20011252389

1112CoverBulgarian Online Contest September 20012995163

1113JeepBulgarian Online Contest September 20011868261

1114BoxesBulgarian Online Contest September 20012564191

1115ShipsBulgarian Online Contest September 20011175414

1116Piecewise Constant FunctionAutumn School Contest 20011487328

1117HierarchyAutumn School Contest 20011770276

1118Nontrivial NumbersAutumn School Contest 20014755103

1119MetroAutumn School Contest 2001694971

1120Sum of Sequential NumbersAutumn School Contest 2001562387

1121BranchesAutumn School Contest 20011407346

1122GameAutumn School Contest 20011977247

1123SalaryAutumn School Contest 20014055121

1124MosaicUSU Championship 20011642297

1125HopscotchUSU Championship 20012095233

1126Magnetic StormsUSU Championship 2001536191

1127Colored BricksUSU Championship 20011531319

1128Partition into GroupsUSU Championship 20011191409

1129Door PaintingUSU Championship 20011140427

1130Nikifor's WalkUSU Championship 2001516934

1131CopyingUSU Championship 2001647376

1132Square Root877554

1133Fibonacci SequenceNEERC 2001 Central Subregional2201222

1134CardsNEERC 2001 Central Subregional2521194

1135RecruitsNEERC 2001 Central Subregional3038161

1136ParliamentNEERC 2001 Central Subregional494999

1137Bus RoutesNEERC 2001 Central Subregional1507324

1138Integer PercentageNEERC 2001 Central Subregional2436201

1139City BlocksNEERC 2001 Central Subregional635677

1140Swamp IncidentNEERC 2001 Central Subregional1300375

1141RSA Attack1338365

1142RelationsDSAP Vietnam Online Contest November 20013220152

1143Electric PathDSAP Vietnam Online Contest November 2001838580

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012461920

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011354360

1146Maximum SumDSAP Vietnam Online Contest November 2001621579

1147Shaping RegionsDSAP Vietnam Online Contest November 2001644752

1148Building TowersDSAP Vietnam Online Contest November 20012741731

1149Sinus Dances818860

1150Page NumbersUral Championship 2001. Round 21980247

1151RadiobeaconsUral Championship 2001. Round 24561056

1152False MirrorsUral Championship 2001. Round 23158155

1153SupercomputerUral Championship 2001. Round 21643298

1154Mages ContestUral Championship 2001. Round 2549880

1155TroubleduonsUral Championship 2001. Round 22719180

1156Two RoundsUral Championship 2001. Round 21497326

1157Young TilerUral Championship 2001. Round 22468199

1158Censored!NEERC 2001 Northern Subregional965505

1159FenceNEERC 2001 Northern Subregional647749

1160NetworkNEERC 2001 Northern Subregional3263152

1161StripiesNEERC 2001 Northern Subregional539091

1162Currency ExchangeNEERC 2001 Northern Subregional2342209

1163ChapaevNEERC 2001 Northern Subregional1054278

1164FillwordNEERC 2001 Northern Subregional2406204

1165SubnumberNEERC 2001 Northern Subregional528915

1166Funny Card GameNEERC 2001 Northern Subregional1323548

1167Bicolored HorsesRomanian Online Contest December 20013624135

1168Radio StationsRomanian Online Contest December 2001664730

1169PairsRomanian Online Contest December 2001674719

1170DesertRomanian Online Contest December 20013241473

1171Lost in SpaceRomanian Online Contest December 20013741282

1172Ship RoutesRomanian Online Contest December 2001879554

1173Lazy SnailRomanian Online Contest December 20014491072

1174Weird PermutationsRomanian Online Contest December 2001682711

1175Strange SequenceUSU Personal Contest 2002509950

1176HyperchannelsUSU Personal Contest 20021448338

1177Like ComparisonsUSU Personal Contest 20023871242

1178Akbardin’s RoadsUSU Personal Contest 20023319148

1179Numbers in TextUSU Personal Contest 20021683291

1180Stone GameUSU Personal Contest 2002562588

1181Cutting a Painted PolygonUSU Personal Contest 20021085450

1182Team Them Up!NEERC 2001956511

1183Brackets SequenceNEERC 20012498197

1184Cable MasterNEERC 20012026242

1185WallNEERC 20011634300

1186Chemical ReactionsNEERC 2001699696

1187Statistical TroubleNEERC 20012312048

1188LibraryNEERC 20012192155

1189Pairs of IntegersNEERC 2001977500

1190Bar of ChocolateSpring School Contest 20021593308

1191Catch the thief!Spring School Contest 20022001245

1192Ball in a DreamSpring School Contest 20024555108

1193Queue at the ExamSpring School Contest 20022718181

1194HandshakesSpring School Contest 2002601182

1195Ouths and CrossesSpring School Contest 20021890260

1196History ExamSpring School Contest 2002922653

1197Lonesome KnightSpring School Contest 20021780128

1198Jobbery1040489

1199Mouse1283394

1200Horns and HoofsUSU Local Contest. March 20021927255

1201Which Day Is It?USU Local Contest. March 20021364359

1202Rectangles TravelUSU Local Contest. March 20021109441

1203Scientific ConferenceUSU Local Contest. March 2002601982

1204IdempotentsUSU Local Contest. March 20022153228

1205By the Underground or by Foot?USU Local Contest. March 20022072237

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024017123

1207Median on the PlaneUSU Local Contest. March 20023946125

1208Legendary Teams ContestUSU Local Contest. March 20022319212

12091, 10, 100, 1000...Autumn School Contest 20021450434

1210Kind SpiritsAutumn School Contest 20023052162

1211Collective GuaranteeAutumn School Contest 20021601309

1212BattleshipAutumn School Contest 20021010488

1213Cockroaches!Autumn School Contest 20022938169

1214Strange ProcedureAutumn School Contest 20024910101

1215Exactness of Projectile HitAutumn School Contest 20021652299

1216Two Pawns and One KingUSU Championship 20022302074

1217Unlucky TicketsUSU Championship 20021208409

1218Episode N-th: The Jedi TournamentUSU Championship 20021541321

1219Symbolic SequenceUSU Championship 20024183119

1220StacksUSU Championship 20021795276

1221Malevich Strikes Back!USU Championship 20021171421

1222Chernobyl’ EaglesUSU Championship 20023509141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021681294

1224SpiralNEERC 2002 Central Subregional751566

1225FlagsNEERC 2002 Central Subregional1402135

1226esreveR redrONEERC 2002 Central Subregional4402113

1227Rally ChampionshipNEERC 2002 Central Subregional1653299

1228ArrayNEERC 2002 Central Subregional4644107

1229Strong BrickworkNEERC 2002 Central Subregional1301380

1230Introspective ProgramNEERC 2002 Central Subregional650754

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2222146

1232Asteroid LandingNEERC 2002 Central Subregional2022348

1233Amusing NumbersNEERC 2002531921

1234BricksNEERC 2002724679

1235Cricket FieldNEERC 2002645761

1236Decoding TaskNEERC 20021002493

1237Evacuation PlanNEERC 2002500978

1238FoldingNEERC 20021186417

1239Ghost BustersNEERC 20021523077

1240Heroes of Might and MagicNEERC 20023411420

1241Inlay CuttersNEERC 20022851691

1242WerewolfUSU Personal Contest 20032794178

1243Divorce of the Seven DwarfsUSU Personal Contest 20031016349

1244GentlemenUSU Personal Contest 20031952255

1245PicturesUSU Personal Contest 2003515952

1246Tethered DogUSU Personal Contest 20031498332

1247Check a SequenceUSU Personal Contest 20032080239

1248Sequence SumUSU Personal Contest 2003742665

1249Ancient NecropolisUSU Local Contest. March 20032300217

1250Sea BurialUSU Local Contest. March 2003678727

1251Cemetery ManagerUSU Local Contest. March 20033221507

1252Sorting the TombstonesUSU Local Contest. March 20031242399

1253NecrologuesUSU Local Contest. March 2003707698

1254Die HardUSU Local Contest. March 2003773639

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031792278

1256Cemetery GuardUSU Local Contest. March 20032092284

1257HyphenationAutumn School Contest 20032781749

1258PoolAutumn School Contest 20031198417

1259How to Become Star?Autumn School Contest 20031270394

1260Nudnik PhotographerAutumn School Contest 20034557110

1261TipsAutumn School Contest 20031530327

1262Pseudo-Roman NumberAutumn School Contest 20031288388

1263ElectionsAutumn School Contest 20031180043

1264WorkdaysAutumn School Contest 20032380121

1265MirrorUSU Championship 20033181536

1266Kirchhoff's LawUSU Championship 20033351461

1267Yekaterinburg SubwayUSU Championship 20032811732

1268Little ChuUSU Championship 2003674737

1269Obscene Words FilterUSU Championship 2003581853

1270UnicubeUSU Championship 20032022377

1271Sailing DirectionsUSU Championship 2003974710

1272Non-Yekaterinburg SubwayUSU Championship 20033390148

1273TieUSU Championship 20031080462

1274Fractional ArithmeticNEERC 2003 Central Subregional723688

1275Knights of the Round TableNEERC 2003 Central Subregional2002401

1276TrainNEERC 2003 Central Subregional678733

1277Cops and ThievesNEERC 2003 Central Subregional627791

1278“… Connecting People”NEERC 2003 Central Subregional502985

1279WarehouseNEERC 2003 Central Subregional1187421

1280Topological SortingNEERC 2003 Central Subregional3549142

1281River BasinNEERC 2003 Central Subregional3501400

1282Game TreeNEERC 2003 Central Subregional1489336

1283DwarfUSU Personal Contest 20044290118

1284Space PokerUSU Personal Contest 20042032375

1285Thread in a HyperspaceUSU Personal Contest 20043011627

1286Starship TravelUSU Personal Contest 2004755661

1287Mars CanalsUSU Personal Contest 20041329378

1288AstrolocationUSU Personal Contest 20042052353

1289One Way TicketUSU Personal Contest 20041262398

1290SabotageSpring School Contest 2004636479

1291Gear-wheelsSpring School Contest 20041309384

1292Mars Space StationsSpring School Contest 20041333377

1293EniyaSpring School Contest 20043464915

1294Mars SatellitesSpring School Contest 20041610312

1295Crazy NotionsSpring School Contest 20043353151

1296HyperjumpSpring School Contest 2004778065

1297PalindromeSpring School Contest 2004619582

1298KnightSpring School Contest 20042173232

1299PsyloniansSpring School Contest 20043201534

1300TaxesUral Championship 19981662877

1301Cube in LabyrinthUral Championship 1998672742

1302Delta-waveUral Championship 19981450347

1303Minimal CoverageUral Championship 19982787181

1304ParallelepipedUral Championship 19982561904

1305Convex HullUral Championship 1998711702

1306Sequence MedianUral Championship 19983496144

1307ArchiverUral Championship 2004. Round 13871276

1308Dean's PyramidUral Championship 2004. Round 11672862

1309DisputeUral Championship 2004. Round 1829604

1310ACM DiagnosticsUral Championship 2004. Round 14541092

1311Stable ConstructionUral Championship 2004. Round 13371460

1312TrayUral Championship 2004. Round 11592998

1313Some Words about SportUral Championship 2004. Round 11489534

1314Chase in SubwayUral Championship 2004. Round 1848590

1315MDPAR and MIIARUral Championship 2004. Round 12561905

1316Electronic AuctionUral Championship 2004. Round 11147438

1317HailUral Championship 2004. Round 24641069

1318LogarithmUral Championship 2004. Round 23461423

1319HotelUral Championship 2004. Round 21305739

1320Graph DecompositionUral Championship 2004. Round 21756287

1321Floor IndicatorUral Championship 2004. Round 23671344

1322SpyUral Championship 2004. Round 22703187

1323ClassmatesUral Championship 2004. Round 2604825

1324Extra SpacesUral Championship 2004. Round 2535930

1325DirtUral Championship 2004. Round 2930539

1326Bottle TapsUral Championship 2004. Round 21278393

1327FusesAutumn School Contest 20041092747

1328FireballAutumn School Contest 20043531403

1329Galactic HistoryAutumn School Contest 20041094461

1330IntervalsAutumn School Contest 2004528496

1331VladislavaAutumn School Contest 2004500999

1332Genie BomberAutumn School Contest 2004808623

1333Genie Bomber 2Autumn School Contest 20042340217

1334CheckersAutumn School Contest 2004936538

1335White ThesisAutumn School Contest 20042821180

1336Problem of Ben BetsalelAutumn School Contest 20044192121

1337BureaucracyAutumn School Contest 20043161563

1338AutomobilesUSU Championship 20042751793

1339BabiesUSU Championship 2004582863

1340CucarachaUSU Championship 2004925011

1341DeviceUSU Championship 20044421131

1342EnterpriseUSU Championship 2004678743

1343Fairy TaleUSU Championship 20041213418

1344Gigantic TurnipUSU Championship 20041034523

1345HTMLUSU Championship 20043461436

1346Intervals of MonotonicityUSU Championship 20041717296

1347BlogSpring School Contest 20053591386

1348Goat in the Garden 2Spring School Contest 20052777184

1349FarmSpring School Contest 20051012650

1350CanteenSpring School Contest 20051291393

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005966524

1352Mersenne PrimesSpring School Contest 20053919130

1353Milliard Vasya's FunctionSpring School Contest 20054936103

1354Palindrome. Again PalindromeSpring School Contest 20053677139

1355Bald Spot RevisitedSpring School Contest 20052414211

1356Something EasierSpring School Contest 20051721295

1357Teakettle 1.0 for DummiesSpring School Contest 20054181195

1358CablesSpring School Contest 2005932543

1359ConstructionSpring School Contest 20054321157

1360Philosophical DisputeUral Championship 2005. Round 23931270

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22541939

1362Classmates 2Ural Championship 2005. Round 21143444

1363HalftonesUral Championship 2005. Round 2855388

1364LaraKillerUral Championship 2005. Round 2526955

1365Testing CalculatorUral Championship 2005. Round 2964829

1366PresentsUral Championship 2005. Round 2964526

1367Top SecretUral Championship 2005. Round 21573065

1368Goat in the Garden 3Ural Championship 2005. Round 21972473

1369Cockroach RaceUral Championship 2005. Round 22713834

1370MagicianUral Championship 2005. Round 2568090

1371Cargo AgencyUral Championship 2005. Round 1967525

1372Death StarUral Championship 2005. Round 1756038

1373Pictura ex MachinaUral Championship 2005. Round 1599843

1374MisereUral Championship 2005. Round 13710919

1375Bill CleversUral Championship 2005. Round 1940540

1376Dean's Pyramid 2Ural Championship 2005. Round 1449504

1377Lara CroftUral Championship 2005. Round 11730295

1378Artificial IntelligenceUral Championship 2005. Round 13371479

1379Cups TransportationUral Championship 2005. Round 1807628

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1124207

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1373492

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2831752

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest429871

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest915082

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2088245

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4301167

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3571399

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2116558

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest908559

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest439685

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest855403

1392Dreaming of Stars663763

1393Average Common Prefix4271165

1394Ships. Version 22017110

1395Pascal vs. C++. Version 22002348

1396Maximum. Version 22391975

1397Points Game2711702

1398Bishop and Pawn525876

1399Economical Director3410642

1400Cellular CharactersAutumn School Contest 2005928547

1401GamersAutumn School Contest 20052899176

1402CocktailsAutumn School Contest 20053982129

1403CourierAutumn School Contest 20051454351

1404Easy to Hack!Autumn School Contest 2005636081

1405Goat in the Garden 5Autumn School Contest 2005710713

1406Next NumberAutumn School Contest 20051482344

1407One-two, One-twoAutumn School Contest 20051327384

1408Polynomial MultiplicationAutumn School Contest 20054151208

1409Two GangstersAutumn School Contest 20053321015

1410CrackUSU Championship 20051318385

141140 Islands KnightsUSU Championship 20051553102

1412Autumn TideUSU Championship 20053281514

1413Mars JumperUSU Championship 20052876177

1414Astronomical DatabaseUSU Championship 20051171433

1415Mobile LifeUSU Championship 2005449475

1416ConfidentialUSU Championship 20051283396

1417Space Poker 2USU Championship 20052531946

1418Military StoryUSU Championship 2005553909

1419Maps of the Island WorldsUSU Championship 20054091221

1420Integer-Valued Complex DivisionUSU Championship 20052631875

1421Credit OperationsTimus Top Coders: First Challenge912543

1422FirefliesTimus Top Coders: First Challenge569865

1423String TaleTimus Top Coders: First Challenge2902172

1424MinibusTimus Top Coders: First Challenge694711

1425Queen 2Timus Top Coders: First Challenge2801727

1426RectanglesTimus Top Coders: First Challenge875163

1427SMSTimus Top Coders: First Challenge1376361

1428Jedi RiddleTimus Top Coders: First Challenge997497

1429BiscuitsTimus Top Coders: First Challenge1772678

1430Crime and PunishmentTimus Top Coders: First Challenge1071463

1431DiplomasUSU Personal Contest 20061383358

1432Twofold LuckUSU Personal Contest 2006528054

1433DiamondsUSU Personal Contest 20061898262

1434Buses in VasyukiUSU Personal Contest 2006501977

1435Financial ErrorUSU Personal Contest 2006492995

1436BillboardUSU Personal Contest 2006587836

1437Gasoline StationUSU Personal Contest 20061004492

1438Time Limit ExceededUSU Personal Contest 20061553026

1439Battle with You-Know-WhoUral Championship 20061123438

1440Training ScheduleUral Championship 2006714686

1441From the History of Gringotts BankUral Championship 20064241144

1442Floo PowderUral Championship 20061443223

1443RailsUral Championship 2006724676

1444ElephpotamusUral Championship 20061751282

1445Christmas giftsUral Championship 2006824595

1446Sorting HatUral Championship 2006545191

1447Portkey NetworkUral Championship 2006488997

1448Lighting in HogwartsUral Championship 2006844581

1449Credit Operations 2Timus Top Coders: Second Challenge3231482

1450Russian PipelinesTimus Top Coders: Second Challenge3154156

1451Beerhouse TaleTimus Top Coders: Second Challenge487993

1452Pascal vs. C++Timus Top Coders: Second Challenge801609

1453QueenTimus Top Coders: Second Challenge3961216

1454Rectangles 2Timus Top Coders: Second Challenge1832558

1455Freedom of SpeechTimus Top Coders: Second Challenge2232119

1456Jedi Riddle 2Timus Top Coders: Second Challenge653745

1457Heating MainTimus Top Coders: Second Challenge729968

1458War GamesTimus Top Coders: Second Challenge3921228

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2781675

1460WiresPetrozavodsk Winter 2006. USU Contest1054194

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4711003

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest567836

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest795599

1464LightPetrozavodsk Winter 2006. USU Contest1562906

1465Pawn GamePetrozavodsk Winter 2006. USU Contest965495

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1413194

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3821230

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest559840

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest478980

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1897251

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2871166

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4361072

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest795372

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest660714

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1143855

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3581299

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1493007

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1094017

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest974468

1480CouponsUSU Championship 20061018464

1481Winning ChancesUSU Championship 20061932349

1482Triangle GameUSU Championship 20061463056

1483Table FootballUSU Championship 20061239382

1484Film RatingUSU Championship 2006731643

1485Football and LieUSU Championship 20062661727

1486Equal SquaresUSU Championship 2006722651

1487Chinese FootballUSU Championship 20063661268

1488ACM PokerUSU Championship 20062901589

1489Points on a ParallelepipedAutumn School Contest 20061210390

1490Fire CircleAutumn School Contest 20062402197

1491Unreal StoryAutumn School Contest 20062263209

1492Vasya's Dad 2Autumn School Contest 20062272009

1493One Step from HappinessAutumn School Contest 20061010247

1494MonobilliardsAutumn School Contest 2006494396

1495One-two, One-two 2Autumn School Contest 20061397338

1496SpammerAutumn School Contest 2006975449

1497Cutting a SquareAutumn School Contest 20061586298

1498Stroke at Full SpeedAutumn School Contest 2006525890

1499KerchiefsAutumn School Contest 20063101488

1500Pass LicensesNEERC 2006 Eastern Subregional739634

1501Sense of BeautyNEERC 2006 Eastern Subregional1780265

1502Domino DotsNEERC 2006 Eastern Subregional645273

1503PolynomialNEERC 2006 Eastern Subregional2611752

1504Good MannersNEERC 2006 Eastern Subregional2032229

1505Oil TransferNEERC 2006 Eastern Subregional1532912

1506Columns of NumbersNEERC 2006 Eastern Subregional3344142

1507Difficult DecisionNEERC 2006 Eastern Subregional1066441

1508Japanese PuzzleNEERC 2006 Eastern Subregional2781648

1509Domino RecognitionNEERC 2006 Eastern Subregional1253516

1510OrderNEERC 2006 Eastern Subregional546087

1511Fiscal OperationsTimus Top Coders: Third Challenge3791208

1512ZiniumTimus Top Coders: Third Challenge534864

1513Lemon TaleTimus Top Coders: Third Challenge1234378

1514National ParkTimus Top Coders: Third Challenge2481821

1515CashmasterTimus Top Coders: Third Challenge2195213

1516NostalgiaTimus Top Coders: Third Challenge2511800

1517Freedom of ChoiceTimus Top Coders: Third Challenge1865251

1518Jedi Riddle 3Timus Top Coders: Third Challenge4371051

1519Formula 1Timus Top Coders: Third Challenge1014459

1520Empire Strikes BackTimus Top Coders: Third Challenge1802473

1521War Games 2Timus Top Coders: Third Challenge3552132

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2511777

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1556296

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513249

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1161396

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3321356

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881165

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1719268

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1143740

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest511890

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3141431

1532Lost in TranslationUSU Personal Contest 20072182028

1533Fat HobbitsUSU Personal Contest 20074411025

1534Football in GondorUSU Personal Contest 2007788580

1535The Hobbit or There and Back AgainUSU Personal Contest 2007930492

1536Delights of Pipe-weedUSU Personal Contest 2007537341

1537EntsUSU Personal Contest 20071629282

1538Towers of GuardUSU Personal Contest 20073511281

1539Intelligence DataUSU Personal Contest 20074231068

1540Battle for the RingUSU Personal Contest 20074161086

1541ChaseUSU Personal Contest 20072022182

1542AutocompletionUral Championship 2007709637

1543Dance RevolutionUral Championship 20071992190

1544Classmates 3Ural Championship 20073591241

1545HieroglyphsUral Championship 2007915550

1546Japanese SortingUral Championship 2007509882

1547Password SearchUral Championship 2007524857

1548Sakura and StatisticsUral Championship 20072015260

1549Another Japanese PuzzleUral Championship 20071842360

1550Dean's Pyramid 3Ural Championship 2007762593

1551Sumo TournamentUral Championship 20071678271

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3641185

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1523289

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest688635

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369638

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379433

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361802

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest506859

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest934304

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest465933

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1432898

1562GM-pineappleUSU Championship 20071086403

1563BayanUSU Championship 2007824454

1564Counting OnesUSU Championship 2007635685

1565The Duel for ThreeUSU Championship 20072351804

1566Triangular PostcardsUSU Championship 20071333091

1567SMS-spamUSU Championship 20071098540

1568Train Car SortingUSU Championship 20072581649

1569Networking the “Iset”USU Championship 2007458945

1570Eating HighUSU Championship 2007479904

1571InterpretersUSU Championship 2007976448

1572Yekaterinozavodsk Great WellAutumn School Contest 20073044145

1573AlchemyAutumn School Contest 20074142106

1574Mathematicians and bracketsAutumn School Contest 20071241353

1575Yekaterinburg Subway 2Autumn School Contest 2007500865

1576Telephone TariffsAutumn School Contest 20073024145

1577E-mailAutumn School Contest 2007928471

1578Mammoth HuntAutumn School Contest 2007495874

1579Coat TransportationAutumn School Contest 2007886493

1580Dean's DebtsAutumn School Contest 2007489885

1581TeamworkAutumn School Contest 20071096840

1582BookmakersNEERC 2007 Eastern Subregional3641121

1583CheeseNEERC 2007 Eastern Subregional2241881

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3151354

1585PenguinsNEERC 2007 Eastern Subregional1158538

1586Threeprime NumbersNEERC 2007 Eastern Subregional3042144

1587Flying PigNEERC 2007 Eastern Subregional534809

1588JamaicaNEERC 2007 Eastern Subregional1354323

1589SokobanNEERC 2007 Eastern Subregional1716300

1590Bacon’s CipherNEERC 2007 Eastern Subregional2308190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051061

1592Chinese WatchesNEERC 2007 Eastern Subregional725599

1593Square Country. Version 2529740

1594Aztec Treasure724743

1595Perfect Sequence3241164

1596Knight Mare239352

1597Chernobyl’ Eagle on a Roof. Version 21082075

1598DSA Attack434587

1599Winding Number1021947

1600AirportUSU Personal Contest 2008763555

1601AntiCAPSUSU Personal Contest 2008472091

1602ElevatorUSU Personal Contest 2008945449

1603EruditeUSU Personal Contest 20081681253

1604Country of FoolsUSU Personal Contest 20082975144

1605Devil's SequenceUSU Personal Contest 2008699605

1606SlalomUSU Personal Contest 2008600703

1607TaxiUSU Personal Contest 2008934046

1608Lucky Tickets 2008Ural Championship 20084041029

1609Tram TileUral Championship 20081382879

1610CactusesUral Championship 20082051982

1611DecimationUral Championship 2008611686

1612Tram ForumUral Championship 20082861148

1613For Fans of StatisticsUral Championship 20083034140

1614National Project “Trams”Ural Championship 2008499837

1615Tram SolitaireUral Championship 20081972058

1616Square Country 4Ural Championship 2008973982

1617Flat SpotsUral Championship 2008664664

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest844400

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest575707

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2611526

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest794647

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1233110

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1213157

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest715106

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest3891037

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest418109

1627JoinPetrozavodsk Winter 2008. ITMO Contest3711085

1628White StreaksUSU Championship 20082420168

1629TripUSU Championship 2008501800

1630TalismanUSU Championship 20083961007

1631Drunk King 2USU Championship 2008848476

1632LasersUSU Championship 2008824443

1633HippogriffsUSU Championship 2008525764

1634Spider MiteUSU Championship 20081742221

1635Mnemonics and PalindromesUSU Championship 20082063197

1636Penalty TimeUSU Championship 2008694859

1637Triangle Game 2USU Championship 20081143296

1638BookwormUSU Championship 2008628565

1639Chocolate 2Autumn School Contest 20081276332

1640Circle of WinterAutumn School Contest 20082351173

1641DutiesAutumn School Contest 2008810497

16421D MazeAutumn School Contest 2008424996

1643Attack of the Dark FortressAutumn School Contest 2008955422

1644A Whole Lot of WalnutsAutumn School Contest 2008413298

1645Ski RaceAutumn School Contest 20082056197

1646Godzilla Strikes Back!Autumn School Contest 2008450886

1647Divide an Island!Autumn School Contest 2008481830

1648YachtsAutumn School Contest 20081066379

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional487016

1650BillionairesNEERC 2008 Eastern Subregional2105192

1651Shortest SubchainNEERC 2008 Eastern Subregional1173344

1652Banking CrisisNEERC 2008 Eastern Subregional1392731

1653Death ConveyorNEERC 2008 Eastern Subregional506782

1654Cipher MessageNEERC 2008 Eastern Subregional694559

1655Somali PiratesNEERC 2008 Eastern Subregional2071875

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional2001202

1657Cube SnakeNEERC 2008 Eastern Subregional2601507

1658Sum of DigitsNEERC 2008 Eastern Subregional2042198

1659Regular TrianglesNEERC 2008 Eastern Subregional622644

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest516601

1661DodecahedronPetrozavodsk Winter 2008. USU Contest973763

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest774629

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1223051

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1941974

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest915435

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3001299

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1912003

1668Death Star 2Petrozavodsk Winter 2008. USU Contest595836

1669Universal WordPetrozavodsk Winter 2008. USU Contest2791393

1670AsteriskPetrozavodsk Summer 2008. USU Contest2061856

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest3481115

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2611135

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest3021285

1674Drunk KingPetrozavodsk Summer 2008. USU Contest556167

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest2081839

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2191750

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2461566

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest566074

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest3891005

1680The First NonqualifyingUSU Personal Contest 20091806218

1681Brother Bear's GardenUSU Personal Contest 2009973707

1682Crazy ProfessorUSU Personal Contest 2009728537

1683FridgeUSU Personal Contest 20092976133

1684Jack's Last WordUSU Personal Contest 20091493264

1685OrthographyUSU Personal Contest 20092209179

1686Photovoltaic SpaceshipUSU Personal Contest 20092571486

1687Numismatics for FunUSU Personal Contest 20093041263

1688Team.GOV!USU Personal Contest 20093028131

1689Fisherman and BarbellUSU Personal Contest 2009423916

1690Army of MagesPetrozavodsk Winter 2009. USU Contest626622

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1143189

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest1058370

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2511299

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1302825

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1262908

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest439881

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest615570

1698Square Country 5Petrozavodsk Winter 2009. USU Contest614634

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3561081

1700AwakeningUral Championship 2009816477

1701Ostap and PartnersUral Championship 2009611634

1702CrossroadUral Championship 20091652250

1703Robotic ArmUral Championship 20092981278

1704DemodulationUral Championship 20091113254

1705Gangster HaresUral Championship 2009419918

1706Cipher Message 2Ural Championship 2009584663

1707Hypnotoad's SecretUral Championship 20091921949

1708Sum of Digits 2Ural Championship 20092411577

1709Penguin-AviaUral Championship 20092561153

1710Boris, You Are Wrong!Ural Championship 2009599646

1711Code NamesNEERC 2009 Eastern Subregional2884131

1712Cipher GrilleNEERC 2009 Eastern Subregional452883

1713Key SubstringsNEERC 2009 Eastern Subregional601618

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1093175

1715Another Ball KillerNEERC 2009 Eastern Subregional3671002

1716Alternative SolutionNEERC 2009 Eastern Subregional488759

1717Eligibility RulesNEERC 2009 Eastern Subregional1632184

1718RejudgeNEERC 2009 Eastern Subregional1247301

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2431493

1720Summit Online JudgeNEERC 2009 Eastern Subregional376979

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional652571

1722Observation DeckUral Regional School Programming Contest 20092761319

1723Sandro's BookUral Regional School Programming Contest 2009613061

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009574646

1725Sold Out!Ural Regional School Programming Contest 20092722138

1726VisitsUral Regional School Programming Contest 20092921129

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091915196

1728Curse on Team.GOVUral Regional School Programming Contest 2009714521

1729Dead Man's ChestUral Regional School Programming Contest 2009600618

1730ManBearPigUral Regional School Programming Contest 20093281116

1731DillUral Regional School Programming Contest 20093675102

1732Ministry of TruthUSU Championship 2009828449

1733Forgotten TechnologyUSU Championship 2009694759

1734Endgame DatabaseUSU Championship 20091632173

1735Theft of the CenturyUSU Championship 20091222848

1736Chinese HockeyUSU Championship 20093171150

1737Mnemonics and Palindromes 3USU Championship 20091509248

1738Computer SecurityUSU Championship 2009371987

1739FaryuksUSU Championship 20091881899

1740Deer is Better!USU Championship 20092717138

1741Communication FiendUSU Championship 20091326281

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1207303

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest376956

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1692062

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest439822

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2151641

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2631352

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1394263

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1682074

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2921222

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest893729

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1446254

1753BookshelfUSU Personal Contest 20101116324

1754Explosion in a PyramidUSU Personal Contest 2010563637

1755CakeUSU Personal Contest 2010439813

1756One and a Half DiggersUSU Personal Contest 20102093174

1757Gold BarsUSU Personal Contest 20101502282

1758Bald Spot Revisited 2USU Personal Contest 20101232746

1759Long-LiversUSU Personal Contest 2010798452

1760Infernal WorkUSU Personal Contest 2010542662

1761Binary PalindromeUSU Personal Contest 20103251090

1762Search for a Hiding-PlaceUSU Personal Contest 20102111652

1763Expert FleaUral Championship 2010595258

1764TranssibUral Championship 20101941779

1765Error 404Ural Championship 2010784123

1766Humpty DumptyUral Championship 20102571359

1767The House of Doctor DeeUral Championship 2010499713

1768Circular StringsUral Championship 20102991174

1769Old Ural LegendUral Championship 20101798201

1770The Party of Ural ChampionsUral Championship 20102031703

1771A Deputy's MorningUral Championship 2010486255

1772Ski-Trails for RobotsUral Championship 2010493721

1773Metro to Every HomeUral Championship 2010424836

1774Barber of the Army of MagesUral SU Championship 2010685501

1775Space BowlingUral SU Championship 2010370917

1776Anniversary FireworkUral SU Championship 2010755455

1777AnindilyakwaUral SU Championship 20102845122

1778Chinese Hockey 2Ural SU Championship 2010714301

1779The Great TeamUral SU Championship 20101053328

1780Gray CodeUral SU Championship 2010376902

1781Clean CodeUral SU Championship 20101572086

1782Jack's New WordUral SU Championship 20101582073

1783Nuclear Arms RaceUral SU Championship 2010741464

1784RoundersUral SU Championship 20102841185

1786Sandro's BiographyUral Regional School Programming Contest 20103284106

1787Turn for MEGAUral Regional School Programming Contest 20101411125

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102230155

1789Searching for the DodecahedronUral Regional School Programming Contest 20101637211

1790Searching for the TruthUral Regional School Programming Contest 20102461359

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102331431

1792Hamming CodeUral Regional School Programming Contest 2010428281

1793Tray 2Ural Regional School Programming Contest 2010891386

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101788193

1795Husband in a ShopUral Regional School Programming Contest 20101416244

1796Amusement ParkUral Regional School Programming Contest 20103268106

1797Summit Online Judge. Version 2455345

1798Fire Circle. Version 2662915

1799Sasha and swag strings344950

1800Murphy's LawNEERC 2010 Eastern Subregional2036169

1801The Revolution CupNEERC 2010 Eastern Subregional525592

1802Cube PuzzleNEERC 2010 Eastern Subregional1562088

1803The Czechs' RiflesNEERC 2010 Eastern Subregional468725

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional867395

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional344979

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1720200

1807Cartridges for MaximNEERC 2010 Eastern Subregional2301445

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711915

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional587581

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest734090

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2251445

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1112805

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest2031594

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest1003086

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest664467

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1312407

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest3281004

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1601997

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest377223

1820Ural SteaksUSU Personal Contest 20111339625

1821BiathlonUSU Personal Contest 20111950171

1822Hugo II's WarUSU Personal Contest 2011490671

1823Ideal GasUSU Personal Contest 2011992335

1824Ifrit BomberUSU Personal Contest 20113101049

1825Ifrit Bomber 2USU Personal Contest 2011362902

1826MinefieldUSU Personal Contest 20111109300

1827Indigenous WarsUSU Personal Contest 20112771170

1828Approximation by a ProgressionUSU Personal Contest 2011716462

1829Routing TablesUSU Personal Contest 2011933259

1830Help in the RNOSUral Championship 2011357906

1831Tsyfirkin's LessonUral Championship 20111342309

1832Arirang ShowUral Championship 2011348929

1833Hopes of RowingUral Championship 20111512065

1834Tennis RacketUral Championship 2011614683

1835Swamp DoctorUral Championship 2011963136

1836Babel FishUral Championship 20112821139

1837Isenbaev's NumberUral Championship 2011561459

1838Samurai's StrokeUral Championship 2011464701

1839The MentaculusUral Championship 20111222519

1840Victim of AdvertisingUral Championship 2011288749

1841CablewaysPetrozavodsk Summer 2010. USU Contest1442089

1842Local RootsPetrozavodsk Summer 2010. USU Contest386701

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest694072

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1961561

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest604595

1846GCD 2010Petrozavodsk Summer 2010. USU Contest2113152

1847ZamkadyePetrozavodsk Summer 2010. USU Contest634406

1848Fly HuntPetrozavodsk Summer 2010. USU Contest545026

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1212455

1850Space TourismPetrozavodsk Summer 2010. USU Contest1052797

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1801691

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1212452

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest327647

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest766414

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2391290

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest743824

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2321327

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest763735

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest674171

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest696455

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest315988

1862Very Wealthy MoleUral FU Championship 20112481239

1863Peaceful AtomUral FU Championship 20112891069

1864Get-Together at Den'sUral FU Championship 20111885169

1865The Island of MärketUral FU Championship 2011873295

1866Poetic FootUral FU Championship 2011422740

1867NanotechnologiesUral FU Championship 20111182497

1868Prediction ContestUral FU Championship 20112110151

1869New Year CruiseUral FU Championship 20111388229

1870Zinium 2Ural FU Championship 2011459681

1871Seismic WavesUral FU Championship 2011514610

1872Spacious OfficeUral FU Championship 2011403774

1873GOV ChroniclesUral Regional School Programming Contest 2011894353

1874Football GoalUral Regional School Programming Contest 20111663191

1875Angry BirdsUral Regional School Programming Contest 2011326950

1876Centipede's MorningUral Regional School Programming Contest 2011601853

1877Bicycle CodesUral Regional School Programming Contest 20111690819

1878Rubinchik's CubeUral Regional School Programming Contest 20111530207

1879GOV-internship 2Ural Regional School Programming Contest 20112141424

1880Psych Up's EigenvaluesUral Regional School Programming Contest 20111066430

1881Long problem statementUral Regional School Programming Contest 2011534460

1882Old NokiaUral Regional School Programming Contest 20111072727

1883Ent's BirthdayUral Regional School Programming Contest 20112601182

1884Way to the UniversityUral Regional School Programming Contest 2011484646

1885Passenger ComfortNEERC 2011 Eastern Subregional1609197

1886Trip 2NEERC 2011 Eastern Subregional1442069

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2921055

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional700449

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1075294

1890Money out of Thin AirNEERC 2011 Eastern Subregional696451

1891Language OceanNEERC 2011 Eastern Subregional460678

1892Morning in KoltsovoNEERC 2011 Eastern Subregional358866

1893A380NEERC 2011 Eastern Subregional552658

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2011510

1895Steaks on BoardNEERC 2011 Eastern Subregional1402124

1896War Games 2.1218894

1897Alice and Bob and a string155950

1900Brainwashing DeviceUral Championship 2012567507

1901Space ElevatorsUral Championship 2012575500

1902Neo-VeniceUral Championship 20122641110

1903Unidentified ShipsUral Championship 2012311911

1904The Lessons of the PastUral Championship 2012630457

1905Travel in TimeUral Championship 20122531112

1906The Lost CivilizationUral Championship 2012287699

1907Coffee and BunsUral Championship 20122111324

1908Brute-force SearchUral Championship 20121322060

1909Space ReconUral Championship 2012574367

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional883133

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional564425

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281227

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1491837

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional574359

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1372211

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803245

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1274227

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional310913

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342028

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional409697

1921Chaos and OrderUral Regional School Programming Contest 20122291220

1922Superhero TeamUral Regional School Programming Contest 2012948304

1923Scary PoliticsUral Regional School Programming Contest 2012538532

1924Four ImpsUral Regional School Programming Contest 2012785137

1925British Scientists Save the WorldUral Regional School Programming Contest 2012439366

1926The Tournament of IntelligencesUral Regional School Programming Contest 20122801005

1927Herbs and MagicUral Regional School Programming Contest 20122711038

1928Another Ecology ProblemUral Regional School Programming Contest 2012379749

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012780369

1930Ivan's CarUral Regional School Programming Contest 20121745166

1931Excellent TeamUral FU Championship 20121811160

1932The Secret of IdentifierUral FU Championship 2012296949

1933Guns for Battle!Ural FU Championship 2012735390

1934Black SpotUral FU Championship 2012842341

1935Tears of DrownedUral FU Championship 2012381276

1936RoshamboUral FU Championship 20122481126

1937Davy Jones’s OrganUral FU Championship 20122321201

1938Caribbean TriangleUral FU Championship 2012494924

1939First SealUral FU Championship 2012346816

1940Not So Simple YearsUral FU Championship 2012350807

1941Scary Martian WordUral FU Personal Contest 2012673419

1942Attack at the OrbitUral FU Personal Contest 2012449624

1943Space RummyUral FU Personal Contest 2012316879

1944Record of the Attack at the OrbitUral FU Personal Contest 20121251227

1945Many-armed BrothersUral FU Personal Contest 2012783255

1946Chinese Hockey 3Ural FU Personal Contest 20121481813

1947MeanderUral FU Personal Contest 20121611675

1948The Robot on the LineUral FU Personal Contest 20122241224

1949The Best Picture in the GalaxyUral FU Personal Contest 20121901432

1950Martian FarmlandsUral FU Personal Contest 20121312032

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1351896

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1311951

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1022455

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection613872

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection803055

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1052391

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection405498

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection643715

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection2511053

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection632428

1961Cantonese DialectUral FU Personal Contest 2013309860

1962In Chinese RestaurantUral FU Personal Contest 2013339786

1963KiteUral FU Personal Contest 2013571472

1964Chinese DialectsUral FU Personal Contest 20131680162

1965Pear TreesUral FU Personal Contest 2013269984

1966Cycling RoadsUral FU Personal Contest 2013401668

1967Programmer CasinoUral FU Personal Contest 2013385717

1968Glass PyramidUral FU Personal Contest 20131621595

1969Hong Kong TramUral FU Personal Contest 2013872829

1970皇后像廣場Ural FU Personal Contest 20132161214

1971Graphics SettingsUral Championship 2013400662

1972Game TestingUral Championship 2013703393

1973Location GeneratorUral Championship 2013375775

1974Similar TunesUral Championship 20132291136

1975Model of the EarthUral Championship 2013464847

1976Game OptimizationUral Championship 20132001293

1977Energy WallUral Championship 20131022424

1978E-LiteUral Championship 2013763156

1979Resources DistributionUral Championship 20131971311

1980Road to InvestorUral Championship 2013425624

1981Parallel and PerpendicularUral FU Championship 2013620422

1982Electrification PlanUral FU Championship 20132008132

1983Nectar GatheringUral FU Championship 20131581583

1984Dummy GuyUral FU Championship 20131323200

1985Prime SquareUral FU Championship 20131301900

1986Paul’s SaladsUral FU Championship 20132201157

1987Nested SegmentsUral FU Championship 20131641161

1988Planet Ocean LandingUral FU Championship 20132271122

1989SubpalindromesUral FU Championship 2013805326

1990PodracingNEERC 2013 Eastern Subregional2481029

1991The battle near the swampNEERC 2013 Eastern Subregional579946

1992CVSNEERC 2013 Eastern Subregional698375

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1354195

1994The Emperor's planNEERC 2013 Eastern Subregional2481029

1995Illegal spicesNEERC 2013 Eastern Subregional445584

1996Cipher Message 3NEERC 2013 Eastern Subregional2091212

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional490531

1998The old PadawanNEERC 2013 Eastern Subregional739355

1999The secret moduleNEERC 2013 Eastern Subregional296808

2000Grand Theft Array VUral Regional School Programming Contest 20131753150

2001Mathematicians and BerriesUral Regional School Programming Contest 20131240521

2002Test TaskUral Regional School Programming Contest 2013383169

2003Simple MagicUral Regional School Programming Contest 2013756345

2004Scientists from SpilkovoUral Regional School Programming Contest 2013349737

2005Taxi for ProgrammersUral Regional School Programming Contest 2013297989

2006Kirill the GardenerUral Regional School Programming Contest 2013573948

2007Mutants versus MachinesUral Regional School Programming Contest 20131291903

2008SwiftyUral Regional School Programming Contest 20132441041

2009Canteen LineUral Regional School Programming Contest 2013314816

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20132082126

2011Long StatementUral Regional School Programming Contest 2013271097

2012About Grisha N.NEERC 2014 Eastern Subregional1474416

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251925

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional447528

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional826289

2016Magic and ScienceNEERC 2014 Eastern Subregional198322

2017Best of a bad lotNEERC 2014 Eastern Subregional1751305

2018The Debut AlbumNEERC 2014 Eastern Subregional2386101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional869275

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1599150

2021Scarily interesting!NEERC 2014 Eastern Subregional547433

2022Riding a ToadNEERC 2014 Eastern Subregional573602

2023Donald is a postmanNEERC 2014 Eastern Subregional644637

2024Adventure TimeUral Regional School Programming Contest 2014743319

2025Line FightingUral Regional School Programming Contest 2014405459

2026Dean and ScheduleUral Regional School Programming Contest 2014412570

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014462509

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014283820

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014398589

2030Awesome Backup SystemUral Regional School Programming Contest 2014480491

2031Overturned NumbersUral Regional School Programming Contest 2014294081

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014309754

2033DevicesUral Regional School Programming Contest 20142362101

2034CaravansUral Regional School Programming Contest 2014822289

2035Another Dress RehearsalUral Regional School Programming Contest 2014331272

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1341659

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest1961160

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest842542

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest256827

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest270853

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest922343

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest494050

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest444425

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest832570

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest511459

2046The First Day at SchoolUral Championship 2015459485

2047MathsUral Championship 2015480464

2048HistoryUral Championship 2015258849

2049ChemistryUral Championship 2015583347

20503D-modelingUral Championship 2015653035

2051PhysicsUral Championship 2015473993

2052Physical EducationUral Championship 20151411507

2053BiologyUral Championship 2015543556

2054AstronomyUral Championship 2015197847

2055Urban GeographyUral Championship 20151451468

2056ScholarshipUral Championship 2015548941

2057Non-palidromic cuttingPalindromic Contest 493780

2058100500 palidnromesPalindromic Contest 1161770

2059Not common palindromesPalindromic Contest 1421467

2060Subpalindrome pairsPalindromic Contest 343632

2061OEIS A216264Palindromic Contest 543484

2062Ambitious ExperimentUral Regional School Programming Contest 2015785272

2063Black and WhiteUral Regional School Programming Contest 2015517411

2064CaterpillarsUral Regional School Programming Contest 2015222933

2065Different SumsUral Regional School Programming Contest 2015729293

2066Simple ExpressionUral Regional School Programming Contest 2015795327

2067Friends and BerriesUral Regional School Programming Contest 2015698306

2068Game of NutsUral Regional School Programming Contest 20152140101

2069Hard RockUral Regional School Programming Contest 20151031208

2070Interesting NumbersUral Regional School Programming Contest 2015971221

2071Juice CocktailsUral Regional School Programming Contest 2015343613

2072Kirill the Gardener 3Ural Regional School Programming Contest 20151081198

2073Log FilesUral Regional School Programming Contest 2015966222

2074Timus problems classifierQualification of Eastern Subregional 2015207960

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015642815

2076VasianaQualification of Eastern Subregional 2015168011

2077ReductionsQualification of Eastern Subregional 2015177714

2078Bowling gameUral Championship 2016684290

2079Memory leaksUral Championship 2016275445

2080WalletUral Championship 2016276704

2081Faulty dialUral Championship 2016288676

2082PokerUral Championship 2016158042

2083The Guardian of TraditionsUral Championship 2016642722

2084Technical debtUral Championship 2016453663

2085Magic ProgrammerUral Championship 2016971883

2086Find DenisUral Championship 2016255756

2087TrainsUral Championship 2016404029

2088Nostalgic EveningUral Championship 2016206679

2089Experienced coachUral Championship 2016205937

2090Crossroads of DestinyUral FU Personal Contest 2014265534

2091Natural SelectionUral FU Personal Contest 2014786250

2092BoleroUral FU Personal Contest 20141621158

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141431302

2094Thousand ImpsUral FU Personal Contest 2014196869

2095ScrumUral FU Personal Contest 2014730269

2096All InclusiveUral FU Personal Contest 2014533162

2097Snowboarding on SpilnayaUral FU Personal Contest 2014742371

2098Lada PrioraUral FU Personal Contest 2014655300

2099Space InvaderUral FU Personal Contest 2014309624

2100Wedding DinnerUral FU Junior Championship 2016680828

2101Knight's ShieldUral FU Junior Championship 20161001734

2102Michael and CryptographyUral FU Junior Championship 20161383137

2103Corporate MailUral FU Junior Championship 20161521177

2104Game with a StripUral FU Junior Championship 2016537349

2105Alice and Bob are on BikesUral FU Junior Championship 2016916206

2106DeserializationUral FU Junior Championship 20161751031

2107Oppa Funcan StyleUral FU Junior Championship 20161171501

2108Oleg and Little PoniesUral FU Junior Championship 2016433430

2109Tourism on MarsUral FU Junior Championship 2016367506

2110Remove or MaximizeUral FU Junior Championship 20161801004

2111PlatoUniversity academic school olympiad in informatics 2019203367

2112Battle logUniversity academic school olympiad in informatics 2019168768

2113Survive the floodUniversity academic school olympiad in informatics 2019340390

2114My craftUniversity academic school olympiad in informatics 2019136936

2115The Knowledge DayUniversity academic school olympiad in informatics 2019657205

2116He is not a knight for youUniversity academic school olympiad in informatics 2019151849

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019246534

2118Cipher Message 4Petrozavodsk Summer 2018. umnik_team Contest841432

2119Tree HullPetrozavodsk Summer 2018. umnik_team Contest148852

2120Tree Average WeightPetrozavodsk Summer 2018. umnik_team Contest641819

2121Intersection of ParabolasPetrozavodsk Summer 2018. umnik_team Contest187683

2122HammingPetrozavodsk Summer 2018. umnik_team Contest184806

2123KnapsackPetrozavodsk Summer 2018. umnik_team Contest125997

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team Contest941294

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team Contest293451

2126Partition into TeamsPetrozavodsk Summer 2018. umnik_team Contest761565

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest263738

2128Rubina's SolitaireLater is better than never131922

2129Mortgage in Far Away KingdomLater is better than never131922

2130Alice + BobLater is better than never133909

2131Open CupLater is better than never106500

2132Graph Decomposition. Version 2Later is better than never641757

2133Terms of referenceLater is better than never462321

2134StampmanLater is better than never721585

2135Pauline and commitsLater is better than never128942

2136John vs SantaLater is better than never472281

2137Dynamic string complexityLater is better than never96842

2138The Good, the Bad and the UglyUral School Programming Contest 20191212102

2139Experiment with JuiceUral School Programming Contest 2019214033

2140BitMazeCraftUral School Programming Contest 20191031106

2141Sasha VilkinUral School Programming Contest 2019512240

2142MagicUral School Programming Contest 20191049118

2143Victoria!Ural School Programming Contest 2019185641

2144Cleaning the RoomUral School Programming Contest 2019543226

2145Olympiad for EveryoneUral School Programming Contest 2019344353

2146Quiz ShowUral School Programming Contest 2019189628

2147City BuildingUral School Programming Contest 2019591812

2148Insane ShotUral School Programming Contest 2019247487

2149Pigeonhole PrincipleUral School Programming Contest 2019898138

21504B and ZooUral School Programming Contest 2020851034

2151MahjongUral School Programming Contest 2020101885

2152Tax FeesUral School Programming Contest 2020841045

2153Perfect SquadUral School Programming Contest 202095935

2154Flight on a CannonballUral School Programming Contest 2020322338

2155QuadrocopterUral School Programming Contest 202095935

2156Interesting ConversationsUral School Programming Contest 2020155595

2157SkydivingUral School Programming Contest 2020701228

2158Two progressionsUral School Programming Contest 2021201587

2159EssayUral School Programming Contest 2021221492

2160Meta-statementUral School Programming Contest 2021301194

2161Mount & BladeUral School Programming Contest 202149809

2162GraphmaniaUral School Programming Contest 2021301191

2163InterviewUral School Programming Contest 2021211536

2164BookmakerUral School Programming Contest 2021181705

2165Cake CutterUral School Programming Contest 2021151908

2166Two RoadsUral School Programming Contest 2022161833

2167Cipher Message 5Ural School Programming Contest 202287492

2168Runes in the FieldUral School Programming Contest 202253177

2169City Building 2Ural School Programming Contest 2022132072

2170Experiment with Juice 2Ural School Programming Contest 2022181702

2171Two Progressions 2Ural School Programming Contest 2022241402

2172Meta-statement 2Ural School Programming Contest 202254745

2173Meta-statement 3Ural School Programming Contest 202248822