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Problem set


IDTitleSourceAuthorsDifficulty

1000A+B Problem7471617

1001Reverse Root2146017

1002Phone NumbersCentral European Olympiad in Informatics 19995779212

1003ParityCentral European Olympiad in Informatics 19993196384

1004Sightseeing TripCentral European Olympiad in Informatics 19992216552

1005Stone PileUSU Championship 19971327593

1006Square FramesUSU Championship 19971393875

1007Code WordsUSU Championship 19973355365

1008Image EncodingUSTU PhysTech Cup 20003747327

1009K-based NumbersUSU Championship 19971258897

1010Discrete FunctionUSTU PhysTech Cup 20004729259

1011ConductorsUSU Championship 19975425226

1012K-based Numbers. Version 27073173

1013K-based Numbers. Version 3378271

1014Product of DigitsUSU Local Contest. 199911588106

1015Test the Difference!USU Local Contest. 19993030403

1016Cube on the WalkUSU Local Contest. 19991617752

1017StaircasesUSU Local Contest. 19997573161

1018Binary Apple TreeUSU Local Contest. 19994205290

1019Line PaintingUSU Local Contest. 19992787438

1020RopeAutumn School Contest 200011684105

1021Sacrament of the SumAutumn School Contest 20008742140

1022Genealogical TreeAutumn School Contest 20008979136

1023ButtonsAutumn School Contest 20006070201

1024PermutationsAutumn School Contest 20004173292

1025Democracy in DangerAutumn School Contest 20001729971

1026Questions and AnswersAutumn School Contest 20008405145

1027D++ AgainAutumn School Contest 20002176559

1028StarsUral Championship 19994565266

1029MinistryUral Championship 19993192332

1030TitanicUral Championship 19991504805

1031Railway TicketsUral Championship 19993433354

1032Find a MultipleUral Championship 19993660290

1033LabyrinthUral Championship 19995327228

1034Queens in Peaceful PositionsUral Championship 19991676723

1035Cross-stitchUral Championship 19999691243

1036Lucky Tickets4062299

1037Memory ManagementUSU Championship 20001634735

1038Spell CheckerUSU Championship 20002833425

1039Anniversary PartyUSU Championship 20003167380

1040Airline CompanyUSU Championship 20001231974

1041NikiforUSU Championship 20005752065

1042Central HeatingUSU Championship 20001524788

1043Cover an ArcUSU Championship 20007911508

1044Lucky Tickets. Easy!USU Championship 200010247118

1045Funny GameUSU Local Contest. March 20002288520

1046Geometrical DreamsUSU Local Contest. March 20006711753

1047Simple CalculationsUSU Local Contest. March 20004244281

1048Superlong SumsUSU Local Contest. March 20006469184

1049Brave BalloonistsUSU Local Contest. March 20005073235

1050Preparing an ArticleUSU Local Contest. March 20008871331

1051Simple Game on a GridUSU Local Contest. March 20002559465

1052Rabbit HuntUSU Local Contest. March 20005395221

1053PinocchioNEERC 2000 Central Subregional3981299

1054Hanoi TowerNEERC 2000 Central Subregional1895626

1055CombinationsNEERC 2000 Central Subregional3157376

1056Computer NetNEERC 2000 Central Subregional2295517

1057Amount of DegreesNEERC 2000 Central Subregional1695699

1058ChocolateNEERC 2000 Central Subregional3962928

1059ExpressionNEERC 2000 Central Subregional1995594

1060Flip GameNEERC 20003286343

1061Buffer ManagerNEERC 20001940579

1062TriathlonNEERC 20006461721

1063Domino PuzzleNEERC 20005382059

1064Binary SearchNEERC 20001953576

1065FrontierNEERC 20008351337

1066GarlandNEERC 20002183515

1067Disk TreeNEERC 20001884596

1068Sum2671042

1069Prufer CodeUSU Personal Contest 20012073527

1070Local TimeUSU Personal Contest 20011838594

1071Nikifor 2USU Personal Contest 20011894577

1072RoutingUSU Personal Contest 20012316472

1073Square CountryUSU Personal Contest 20016949158

1074Very Short ProblemUSU Personal Contest 20015142096

1075Thread in a SpaceUSU Personal Contest 200110531033

1076Trash1700639

1077Travelling Tours963408

1078SegmentsWinter Mathematical Festival Varna 20012902373

1079MaximumWinter Mathematical Festival Varna 20019569113

1080Map ColoringWinter Mathematical Festival Varna 20014190259

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014250255

1082Gaby IvanushkaSpring School Contest 20019362115

1083Factorials!!!Spring School Contest 20011444375

1084Goat in the GardenSpring School Contest 20017316147

1085MeetingSpring School Contest 20011882569

1086CryptographySpring School Contest 20019136118

1087The Time to Take StonesSpring School Contest 20013981270

1088Ilya MurometzSpring School Contest 20011589674

1089Verification with a VocabularySpring School Contest 20012480433

1090In the Army NowUSU Local Contest. March 20012898352

1091Tmutarakan ExamsUSU Local Contest. March 20012115482

1092TransversalUSU Local Contest. March 20014682142

1093DartsUSU Local Contest. March 20015401862

1094E-screenUSU Local Contest. March 20012487410

1095Nikifor 3USU Local Contest. March 20012039500

1096Get the Right Route Plate!USU Local Contest. March 20011540661

1097Square Country 2USU Local Contest. March 20017611328

1098Questions1941502

1099Work Scheduling7321249

1100Final StandingsTetrahedron Team Online Contest May 2001771851

1101Robot in the FieldTetrahedron Team Online Contest May 2001718542

1102Strange DialogTetrahedron Team Online Contest May 20012158182

1103Pencils and CirclesTetrahedron Team Online Contest May 2001796489

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001405997

1105Observers ColoringTetrahedron Team Online Contest May 2001481803

1106Two TeamsTetrahedron Team Online Contest May 2001479982

1107Warehouse ProblemTetrahedron Team Online Contest May 2001954409

1108HeritageBulgarian Online Contest September 20011605246

1109ConferenceBulgarian Online Contest September 20011549255

1110PowerBulgarian Online Contest September 2001700257

1111SquaresBulgarian Online Contest September 2001993396

1112CoverBulgarian Online Contest September 20011974200

1113JeepBulgarian Online Contest September 20011568252

1114BoxesBulgarian Online Contest September 20012084190

1115ShipsBulgarian Online Contest September 2001996395

1116Piecewise Constant FunctionAutumn School Contest 20011260313

1117HierarchyAutumn School Contest 20011433275

1118Nontrivial NumbersAutumn School Contest 20013832103

1119MetroAutumn School Contest 2001465385

1120Sum of Sequential NumbersAutumn School Contest 2001465285

1121BranchesAutumn School Contest 20011203328

1122GameAutumn School Contest 20011667237

1123SalaryAutumn School Contest 20013209123

1124MosaicUSU Championship 20011277309

1125HopscotchUSU Championship 20011749226

1126Magnetic StormsUSU Championship 20013549112

1127Colored BricksUSU Championship 20011274310

1128Partition into GroupsUSU Championship 2001942418

1129Door PaintingUSU Championship 2001878448

1130Nikifor's WalkUSU Championship 2001391992

1131CopyingUSU Championship 2001568170

1132Square Root571685

1133Fibonacci SequenceNEERC 2001 Central Subregional2135185

1134CardsNEERC 2001 Central Subregional2204180

1135RecruitsNEERC 2001 Central Subregional2414164

1136ParliamentNEERC 2001 Central Subregional3850103

1137Bus RoutesNEERC 2001 Central Subregional1274310

1138Integer PercentageNEERC 2001 Central Subregional1992199

1139City BlocksNEERC 2001 Central Subregional488281

1140Swamp IncidentNEERC 2001 Central Subregional1102358

1141RSA Attack1059372

1142RelationsDSAP Vietnam Online Contest November 20012715146

1143Electric PathDSAP Vietnam Online Contest November 2001720546

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012141778

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001935421

1146Maximum SumDSAP Vietnam Online Contest November 2001429393

1147Shaping RegionsDSAP Vietnam Online Contest November 2001472826

1148Building TowersDSAP Vietnam Online Contest November 20011951943

1149Sinus Dances615965

1150Page NumbersUral Championship 2001. Round 21657239

1151RadiobeaconsUral Championship 2001. Round 23671057

1152False MirrorsUral Championship 2001. Round 22082191

1153SupercomputerUral Championship 2001. Round 21264313

1154Mages ContestUral Championship 2001. Round 2450866

1155TroubleduonsUral Championship 2001. Round 2840469

1156Two RoundsUral Championship 2001. Round 21162340

1157Young TilerUral Championship 2001. Round 22400165

1158Censored!NEERC 2001 Northern Subregional776507

1159FenceNEERC 2001 Northern Subregional538728

1160NetworkNEERC 2001 Northern Subregional1188339

1161StripiesNEERC 2001 Northern Subregional424694

1162Currency ExchangeNEERC 2001 Northern Subregional817482

1163ChapaevNEERC 2001 Northern Subregional1981917

1164FillwordNEERC 2001 Northern Subregional2053193

1165SubnumberNEERC 2001 Northern Subregional468834

1166Funny Card GameNEERC 2001 Northern Subregional1133355

1167Bicolored HorsesRomanian Online Contest December 20012629151

1168Radio StationsRomanian Online Contest December 2001568690

1169PairsRomanian Online Contest December 2001537729

1170DesertRomanian Online Contest December 20012611472

1171Lost in SpaceRomanian Online Contest December 20012961303

1172Ship RoutesRomanian Online Contest December 2001691569

1173Lazy SnailRomanian Online Contest December 20013691052

1174Weird PermutationsRomanian Online Contest December 2001603651

1175Strange SequenceUSU Personal Contest 2002427916

1176HyperchannelsUSU Personal Contest 20021055376

1177Like ComparisonsUSU Personal Contest 20022941316

1178Akbardin’s RoadsUSU Personal Contest 20022706147

1179Numbers in TextUSU Personal Contest 20021438276

1180Stone GameUSU Personal Contest 2002455188

1181Cutting a Painted PolygonUSU Personal Contest 2002926428

1182Team Them Up!NEERC 2001782506

1183Brackets SequenceNEERC 20011844216

1184Cable MasterNEERC 20011351294

1185WallNEERC 20011207329

1186Chemical ReactionsNEERC 2001594663

1187Statistical TroubleNEERC 20011902003

1188LibraryNEERC 20011802108

1189Pairs of IntegersNEERC 2001837473

1190Bar of ChocolateSpring School Contest 20021271313

1191Catch the thief!Spring School Contest 20021653241

1192Ball in a DreamSpring School Contest 20023544113

1193Queue at the ExamSpring School Contest 20022225179

1194HandshakesSpring School Contest 2002489782

1195Ouths and CrossesSpring School Contest 20021533260

1196History ExamSpring School Contest 2002633263

1197Lonesome KnightSpring School Contest 20021270032

1198Jobbery681613

1199Mouse903707

1200Horns and HoofsUSU Local Contest. March 20021598249

1201Which Day Is It?USU Local Contest. March 20021174338

1202Rectangles TravelUSU Local Contest. March 2002919431

1203Scientific ConferenceUSU Local Contest. March 2002402699

1204IdempotentsUSU Local Contest. March 20021719232

1205By the Underground or by Foot?USU Local Contest. March 20021665239

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023265122

1207Median on the PlaneUSU Local Contest. March 20022150186

1208Legendary Teams ContestUSU Local Contest. March 20022062193

12091, 10, 100, 1000...Autumn School Contest 2002970442

1210Kind SpiritsAutumn School Contest 20022605155

1211Collective GuaranteeAutumn School Contest 20021457276

1212BattleshipAutumn School Contest 2002797502

1213Cockroaches!Autumn School Contest 20022371170

1214Strange ProcedureAutumn School Contest 20023937103

1215Exactness of Projectile HitAutumn School Contest 20021319305

1216Two Pawns and One KingUSU Championship 20021951978

1217Unlucky TicketsUSU Championship 20021011397

1218Episode N-th: The Jedi TournamentUSU Championship 20021193337

1219Symbolic SequenceUSU Championship 20023370120

1220StacksUSU Championship 20021463275

1221Malevich Strikes Back!USU Championship 2002974412

1222Chernobyl’ EaglesUSU Championship 20022869141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021177342

1224SpiralNEERC 2002 Central Subregional565872

1225FlagsNEERC 2002 Central Subregional927744

1226esreveR redrONEERC 2002 Central Subregional3495116

1227Rally ChampionshipNEERC 2002 Central Subregional1275316

1228ArrayNEERC 2002 Central Subregional3862105

1229Strong BrickworkNEERC 2002 Central Subregional1049383

1230Introspective ProgramNEERC 2002 Central Subregional562709

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1872059

1232Asteroid LandingNEERC 2002 Central Subregional1792146

1233Amusing NumbersNEERC 2002440903

1234BricksNEERC 2002612653

1235Cricket FieldNEERC 2002530752

1236Decoding TaskNEERC 2002828485

1237Evacuation PlanNEERC 2002440904

1238FoldingNEERC 2002874460

1239Ghost BustersNEERC 20021392727

1240Heroes of Might and MagicNEERC 20022821392

1241Inlay CuttersNEERC 20022501565

1242WerewolfUSU Personal Contest 20031788227

1243Divorce of the Seven DwarfsUSU Personal Contest 2003734156

1244GentlemenUSU Personal Contest 20031465277

1245PicturesUSU Personal Contest 2003443901

1246Tethered DogUSU Personal Contest 20031150352

1247Check a SequenceUSU Personal Contest 20031662244

1248Sequence SumUSU Personal Contest 2003624644

1249Ancient NecropolisUSU Local Contest. March 20031897214

1250Sea BurialUSU Local Contest. March 2003570704

1251Cemetery ManagerUSU Local Contest. March 20032601512

1252Sorting the TombstonesUSU Local Contest. March 2003978413

1253NecrologuesUSU Local Contest. March 2003616652

1254Die HardUSU Local Contest. March 2003622646

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031519267

1256Cemetery GuardUSU Local Contest. March 20031732231

1257HyphenationAutumn School Contest 20032361677

1258PoolAutumn School Contest 2003943433

1259How to Become Star?Autumn School Contest 20031068383

1260Nudnik PhotographerAutumn School Contest 20033322124

1261TipsAutumn School Contest 20031157353

1262Pseudo-Roman NumberAutumn School Contest 20031133361

1263ElectionsAutumn School Contest 2003863848

1264WorkdaysAutumn School Contest 20031457728

1265MirrorUSU Championship 20032761443

1266Kirchhoff's LawUSU Championship 20032741453

1267Yekaterinburg SubwayUSU Championship 20031981985

1268Little ChuUSU Championship 2003501808

1269Obscene Words FilterUSU Championship 2003498813

1270UnicubeUSU Championship 20031692306

1271Sailing DirectionsUSU Championship 2003824487

1272Non-Yekaterinburg SubwayUSU Championship 20032452168

1273TieUSU Championship 2003858476

1274Fractional ArithmeticNEERC 2003 Central Subregional599678

1275Knights of the Round TableNEERC 2003 Central Subregional1552503

1276TrainNEERC 2003 Central Subregional504804

1277Cops and ThievesNEERC 2003 Central Subregional488829

1278“… Connecting People”NEERC 2003 Central Subregional426947

1279WarehouseNEERC 2003 Central Subregional1069383

1280Topological SortingNEERC 2003 Central Subregional2528163

1281River BasinNEERC 2003 Central Subregional2961350

1282Game TreeNEERC 2003 Central Subregional1164352

1283DwarfUSU Personal Contest 20043250127

1284Space PokerUSU Personal Contest 20041712294

1285Thread in a HyperspaceUSU Personal Contest 2004439925

1286Starship TravelUSU Personal Contest 2004601679

1287Mars CanalsUSU Personal Contest 20041049392

1288AstrolocationUSU Personal Contest 20041882097

1289One Way TicketUSU Personal Contest 20041056389

1290SabotageSpring School Contest 2004499183

1291Gear-wheelsSpring School Contest 2004991415

1292Mars Space StationsSpring School Contest 20041137362

1293EniyaSpring School Contest 20042097820

1294Mars SatellitesSpring School Contest 20041302317

1295Crazy NotionsSpring School Contest 20042584160

1296HyperjumpSpring School Contest 20043879107

1297PalindromeSpring School Contest 2004454091

1298KnightSpring School Contest 20041611256

1299PsyloniansSpring School Contest 20042781442

1300TaxesUral Championship 19981482631

1301Cube in LabyrinthUral Championship 1998568719

1302Delta-waveUral Championship 19981260327

1303Minimal CoverageUral Championship 19981739238

1304ParallelepipedUral Championship 19982131864

1305Convex HullUral Championship 1998579706

1306Sequence MedianUral Championship 19982640157

1307ArchiverUral Championship 2004. Round 13281231

1308Dean's PyramidUral Championship 2004. Round 11472650

1309DisputeUral Championship 2004. Round 1675607

1310ACM DiagnosticsUral Championship 2004. Round 13291227

1311Stable ConstructionUral Championship 2004. Round 12911382

1312TrayUral Championship 2004. Round 11432719

1313Some Words about SportUral Championship 2004. Round 11033140

1314Chase in SubwayUral Championship 2004. Round 1773531

1315MDPAR and MIIARUral Championship 2004. Round 11982000

1316Electronic AuctionUral Championship 2004. Round 1869473

1317HailUral Championship 2004. Round 23751081

1318LogarithmUral Championship 2004. Round 22911382

1319HotelUral Championship 2004. Round 2956143

1320Graph DecompositionUral Championship 2004. Round 21266326

1321Floor IndicatorUral Championship 2004. Round 23131288

1322SpyUral Championship 2004. Round 2822500

1323ClassmatesUral Championship 2004. Round 2510800

1324Extra SpacesUral Championship 2004. Round 2454897

1325DirtUral Championship 2004. Round 2692593

1326Bottle TapsUral Championship 2004. Round 2866475

1327FusesAutumn School Contest 2004800152

1328FireballAutumn School Contest 20043041335

1329Galactic HistoryAutumn School Contest 2004867478

1330IntervalsAutumn School Contest 20043848109

1331VladislavaAutumn School Contest 2004411996

1332Genie BomberAutumn School Contest 2004660626

1333Genie Bomber 2Autumn School Contest 20041837227

1334CheckersAutumn School Contest 2004786527

1335White ThesisAutumn School Contest 20042351178

1336Problem of Ben BetsalelAutumn School Contest 20043297127

1337BureaucracyAutumn School Contest 20042541588

1338AutomobilesUSU Championship 20042341727

1339BabiesUSU Championship 2004430957

1340CucarachaUSU Championship 2004814630

1341DeviceUSU Championship 20043751094

1342EnterpriseUSU Championship 2004483855

1343Fairy TaleUSU Championship 20041042400

1344Gigantic TurnipUSU Championship 2004834530

1345HTMLUSU Championship 20042861423

1346Intervals of MonotonicityUSU Championship 20041239337

1347BlogSpring School Contest 20052811449

1348Goat in the Garden 2Spring School Contest 20052086201

1349FarmSpring School Contest 2005735157

1350CanteenSpring School Contest 20051033404

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005750555

1352Mersenne PrimesSpring School Contest 20053103135

1353Milliard Vasya's FunctionSpring School Contest 20053537119

1354Palindrome. Again PalindromeSpring School Contest 20052576163

1355Bald Spot RevisitedSpring School Contest 20051783235

1356Something EasierSpring School Contest 20051114375

1357Teakettle 1.0 for DummiesSpring School Contest 20053491175

1358CablesSpring School Contest 2005705590

1359ConstructionSpring School Contest 20053371215

1360Philosophical DisputeUral Championship 2005. Round 23091324

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21812210

1362Classmates 2Ural Championship 2005. Round 2779535

1363HalftonesUral Championship 2005. Round 2536702

1364LaraKillerUral Championship 2005. Round 2448922

1365Testing CalculatorUral Championship 2005. Round 2705277

1366PresentsUral Championship 2005. Round 2789528

1367Top SecretUral Championship 2005. Round 21293038

1368Goat in the Garden 3Ural Championship 2005. Round 21702346

1369Cockroach RaceUral Championship 2005. Round 21616238

1370MagicianUral Championship 2005. Round 2429098

1371Cargo AgencyUral Championship 2005. Round 1651641

1372Death StarUral Championship 2005. Round 1665576

1373Pictura ex MachinaUral Championship 2005. Round 1481863

1374MisereUral Championship 2005. Round 12811152

1375Bill CleversUral Championship 2005. Round 1735569

1376Dean's Pyramid 2Ural Championship 2005. Round 1388829

1377Lara CroftUral Championship 2005. Round 11428295

1378Artificial IntelligenceUral Championship 2005. Round 12341737

1379Cups TransportationUral Championship 2005. Round 1518803

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1003853

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1143418

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2051971

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2213246

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest715233

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1713246

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3551161

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2581582

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1417661

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest572728

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest3010597

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest735107

1392Dreaming of Stars537775

1393Average Common Prefix3231258

1394Ships. Version 2528260

1395Pascal vs. C++. Version 21292877

1396Maximum. Version 21872022

1397Points Game1851961

1398Bishop and Pawn375963

1399Economical Director2311229

1400Cellular CharactersAutumn School Contest 2005761550

1401GamersAutumn School Contest 2005864485

1402CocktailsAutumn School Contest 20053017140

1403CourierAutumn School Contest 20051125373

1404Easy to Hack!Autumn School Contest 2005499885

1405Goat in the Garden 5Autumn School Contest 2005569732

1406Next NumberAutumn School Contest 20051239339

1407One-two, One-twoAutumn School Contest 20051062395

1408Polynomial MultiplicationAutumn School Contest 20053481184

1409Two GangstersAutumn School Contest 20052013921

1410CrackUSU Championship 2005939445

141140 Islands KnightsUSU Championship 20051293036

1412Autumn TideUSU Championship 20052751481

1413Mars JumperUSU Championship 20052355178

1414Astronomical DatabaseUSU Championship 2005808516

1415Mobile LifeUSU Championship 20052811103

1416ConfidentialUSU Championship 2005959436

1417Space Poker 2USU Championship 20052191843

1418Military StoryUSU Championship 2005416991

1419Maps of the Island WorldsUSU Championship 20052921398

1420Integer-Valued Complex DivisionUSU Championship 20052351723

1421Credit OperationsTimus Top Coders: First Challenge699577

1422FirefliesTimus Top Coders: First Challenge426938

1423String TaleTimus Top Coders: First Challenge2103194

1424MinibusTimus Top Coders: First Challenge529759

1425Queen 2Timus Top Coders: First Challenge2141826

1426RectanglesTimus Top Coders: First Challenge695178

1427SMSTimus Top Coders: First Challenge1019398

1428Jedi RiddleTimus Top Coders: First Challenge838482

1429BiscuitsTimus Top Coders: First Challenge1193171

1430Crime and PunishmentTimus Top Coders: First Challenge840481

1431DiplomasUSU Personal Contest 20061150351

1432Twofold LuckUSU Personal Contest 2006417988

1433DiamondsUSU Personal Contest 20061592254

1434Buses in VasyukiUSU Personal Contest 20063571110

1435Financial ErrorUSU Personal Contest 2006404984

1436BillboardUSU Personal Contest 2006474842

1437Gasoline StationUSU Personal Contest 2006735547

1438Time Limit ExceededUSU Personal Contest 20061262995

1439Battle with You-Know-WhoUral Championship 2006788506

1440Training ScheduleUral Championship 2006568699

1441From the History of Gringotts BankUral Championship 20062821383

1442Floo PowderUral Championship 20061183155

1443RailsUral Championship 2006581683

1444ElephpotamusUral Championship 20063471131

1445Christmas giftsUral Championship 2006665598

1446Sorting HatUral Championship 2006417896

1447Portkey NetworkUral Championship 20063581097

1448Lighting in HogwartsUral Championship 2006706564

1449Credit Operations 2Timus Top Coders: Second Challenge2741411

1450Russian PipelinesTimus Top Coders: Second Challenge1192333

1451Beerhouse TaleTimus Top Coders: Second Challenge398982

1452Pascal vs. C++Timus Top Coders: Second Challenge608648

1453QueenTimus Top Coders: Second Challenge3221207

1454Rectangles 2Timus Top Coders: Second Challenge1432618

1455Freedom of SpeechTimus Top Coders: Second Challenge1961945

1456Jedi Riddle 2Timus Top Coders: Second Challenge485809

1457Heating MainTimus Top Coders: Second Challenge564371

1458War GamesTimus Top Coders: Second Challenge3301178

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2121744

1460WiresPetrozavodsk Winter 2006. USU Contest774451

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3631038

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest439862

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest542701

1464LightPetrozavodsk Winter 2006. USU Contest1222934

1465Pawn GamePetrozavodsk Winter 2006. USU Contest690553

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1053367

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3051229

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest455822

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2981241

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1344282

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1477257

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3211155

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest674963

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest529709

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest774393

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2441505

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1272790

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest804246

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest565790

1480CouponsUSU Championship 2006879428

1481Winning ChancesUSU Championship 20061512364

1482Triangle GameUSU Championship 20061192951

1483Table FootballUSU Championship 20061053358

1484Film RatingUSU Championship 2006512729

1485Football and LieUSU Championship 20062231634

1486Equal SquaresUSU Championship 2006558670

1487Chinese FootballUSU Championship 20062901269

1488ACM PokerUSU Championship 20062311579

1489Points on a ParallelepipedAutumn School Contest 2006941399

1490Fire CircleAutumn School Contest 20061770213

1491Unreal StoryAutumn School Contest 20061700222

1492Vasya's Dad 2Autumn School Contest 20061951853

1493One Step from HappinessAutumn School Contest 2006684455

1494MonobilliardsAutumn School Contest 20061835206

1495One-two, One-two 2Autumn School Contest 20061026367

1496SpammerAutumn School Contest 2006637659

1497Cutting a SquareAutumn School Contest 20061259299

1498Stroke at Full SpeedAutumn School Contest 2006419885

1499KerchiefsAutumn School Contest 20062641386

1500Pass LicensesNEERC 2006 Eastern Subregional559665

1501Sense of BeautyNEERC 2006 Eastern Subregional1309287

1502Domino DotsNEERC 2006 Eastern Subregional474879

1503PolynomialNEERC 2006 Eastern Subregional1951845

1504Good MannersNEERC 2006 Eastern Subregional1632186

1505Oil TransferNEERC 2006 Eastern Subregional1252801

1506Columns of NumbersNEERC 2006 Eastern Subregional2278165

1507Difficult DecisionNEERC 2006 Eastern Subregional899416

1508Japanese PuzzleNEERC 2006 Eastern Subregional2131696

1509Domino RecognitionNEERC 2006 Eastern Subregional963568

1510OrderNEERC 2006 Eastern Subregional405393

1511Fiscal OperationsTimus Top Coders: Third Challenge3091168

1512ZiniumTimus Top Coders: Third Challenge470776

1513Lemon TaleTimus Top Coders: Third Challenge887415

1514National ParkTimus Top Coders: Third Challenge1961808

1515CashmasterTimus Top Coders: Third Challenge1700218

1516NostalgiaTimus Top Coders: Third Challenge2021757

1517Freedom of ChoiceTimus Top Coders: Third Challenge1123329

1518Jedi Riddle 3Timus Top Coders: Third Challenge3491038

1519Formula 1Timus Top Coders: Third Challenge866425

1520Empire Strikes BackTimus Top Coders: Third Challenge1362552

1521War Games 2Timus Top Coders: Third Challenge1165317

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1891835

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1027352

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1912592

1525PathPetrozavodsk Winter 2007. D.Gozman Contest741486

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2501405

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2561373

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1398259

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest814013

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest401889

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2691309

1532Lost in TranslationUSU Personal Contest 20071791925

1533Fat HobbitsUSU Personal Contest 20072991177

1534Football in GondorUSU Personal Contest 2007643557

1535The Hobbit or There and Back AgainUSU Personal Contest 2007772465

1536Delights of Pipe-weedUSU Personal Contest 2007417132

1537EntsUSU Personal Contest 20071280282

1538Towers of GuardUSU Personal Contest 20072741281

1539Intelligence DataUSU Personal Contest 20073441028

1540Battle for the RingUSU Personal Contest 20073111133

1541ChaseUSU Personal Contest 20071662067

1542AutocompletionUral Championship 2007555634

1543Dance RevolutionUral Championship 20071572145

1544Classmates 3Ural Championship 20072931182

1545HieroglyphsUral Championship 2007594960

1546Japanese SortingUral Championship 20072771248

1547Password SearchUral Championship 2007428818

1548Sakura and StatisticsUral Championship 20071414925

1549Another Japanese PuzzleUral Championship 20071572145

1550Dean's Pyramid 3Ural Championship 2007608580

1551Sumo TournamentUral Championship 20071177302

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2621254

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest680494

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest548611

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1911761

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest279218

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1911697

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest426782

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest833668

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest335989

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1232565

1562GM-pineappleUSU Championship 2007847396

1563BayanUSU Championship 2007502667

1564Counting OnesUSU Championship 2007506658

1565The Duel for ThreeUSU Championship 20072021602

1566Triangular PostcardsUSU Championship 20071112806

1567SMS-spamUSU Championship 2007778644

1568Train Car SortingUSU Championship 20072071565

1569Networking the “Iset”USU Championship 2007336981

1570Eating HighUSU Championship 20073161042

1571InterpretersUSU Championship 2007795422

1572Yekaterinozavodsk Great WellAutumn School Contest 20072234151

1573AlchemyAutumn School Contest 20073110109

1574Mathematicians and bracketsAutumn School Contest 2007914367

1575Yekaterinburg Subway 2Autumn School Contest 2007348946

1576Telephone TariffsAutumn School Contest 20072308146

1577E-mailAutumn School Contest 2007663503

1578Mammoth HuntAutumn School Contest 2007379871

1579Coat TransportationAutumn School Contest 2007674495

1580Dean's DebtsAutumn School Contest 2007368896

1581TeamworkAutumn School Contest 2007761444

1582BookmakersNEERC 2007 Eastern Subregional2880117

1583CheeseNEERC 2007 Eastern Subregional1911678

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2651226

1585PenguinsNEERC 2007 Eastern Subregional701748

1586Threeprime NumbersNEERC 2007 Eastern Subregional1998168

1587Flying PigNEERC 2007 Eastern Subregional416792

1588JamaicaNEERC 2007 Eastern Subregional1048319

1589SokobanNEERC 2007 Eastern Subregional424088

1590Bacon’s CipherNEERC 2007 Eastern Subregional1359246

1591Abstract ThinkingNEERC 2007 Eastern Subregional333983

1592Chinese WatchesNEERC 2007 Eastern Subregional564588

1593Square Country. Version 2372755

1594Aztec Treasure504611

1595Perfect Sequence2311147

1596Knight Mare157264

1597Chernobyl’ Eagle on a Roof. Version 2233216

1598DSA Attack173854

1599Winding Number182655

1600AirportUSU Personal Contest 2008598532

1601AntiCAPSUSU Personal Contest 2008351992

1602ElevatorUSU Personal Contest 2008768416

1603EruditeUSU Personal Contest 20081297248

1604Country of FoolsUSU Personal Contest 2008944339

1605Devil's SequenceUSU Personal Contest 2008568560

1606SlalomUSU Personal Contest 2008480661

1607TaxiUSU Personal Contest 2008560458

1608Lucky Tickets 2008Ural Championship 2008347898

1609Tram TileUral Championship 20081062764

1610CactusesUral Championship 20081691791

1611DecimationUral Championship 2008438716

1612Tram ForumUral Championship 20082202145

1613For Fans of StatisticsUral Championship 20081933165

1614National Project “Trams”Ural Championship 2008412760

1615Tram SolitaireUral Championship 20081621864

1616Square Country 4Ural Championship 2008803562

1617Flat SpotsUral Championship 2008471968

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest495184

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest479625

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2091397

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest505097

1622EndspielPetrozavodsk Winter 2008. ITMO Contest843254

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest873153

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356796

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest317935

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest288048

1627JoinPetrozavodsk Winter 2008. ITMO Contest2591137

1628White StreaksUSU Championship 2008600492

1629TripUSU Championship 2008404725

1630TalismanUSU Championship 2008326893

1631Drunk King 2USU Championship 2008739401

1632LasersUSU Championship 2008723660

1633HippogriffsUSU Championship 2008420698

1634Spider MiteUSU Championship 20081421975

1635Mnemonics and PalindromesUSU Championship 20081368218

1636Penalty TimeUSU Championship 2008479862

1637Triangle Game 2USU Championship 2008952858

1638BookwormUSU Championship 2008362383

1639Chocolate 2Autumn School Contest 2008838136

1640Circle of WinterAutumn School Contest 20081704174

1641DutiesAutumn School Contest 2008659446

16421D MazeAutumn School Contest 2008312095

1643Attack of the Dark FortressAutumn School Contest 2008647455

1644A Whole Lot of WalnutsAutumn School Contest 2008305198

1645Ski RaceAutumn School Contest 20081558190

1646Godzilla Strikes Back!Autumn School Contest 2008373780

1647Divide an Island!Autumn School Contest 2008377772

1648YachtsAutumn School Contest 2008854346

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional366478

1650BillionairesNEERC 2008 Eastern Subregional521561

1651Shortest SubchainNEERC 2008 Eastern Subregional836352

1652Banking CrisisNEERC 2008 Eastern Subregional1182328

1653Death ConveyorNEERC 2008 Eastern Subregional336929

1654Cipher MessageNEERC 2008 Eastern Subregional452366

1655Somali PiratesNEERC 2008 Eastern Subregional1282159

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1553191

1657Cube SnakeNEERC 2008 Eastern Subregional2221284

1658Sum of DigitsNEERC 2008 Eastern Subregional1133261

1659Regular TrianglesNEERC 2008 Eastern Subregional489597

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366368

1661DodecahedronPetrozavodsk Winter 2008. USU Contest614126

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554507

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest912900

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1381979

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest715404

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2421162

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1401953

1668Death Star 2Petrozavodsk Winter 2008. USU Contest386103

1669Universal WordPetrozavodsk Winter 2008. USU Contest2181285

1670AsteriskPetrozavodsk Summer 2008. USU Contest1681634

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1697170

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1611184

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1571741

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336763

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1591721

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1681634

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1431901

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest229087

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest284989

1680The First NonqualifyingUSU Personal Contest 20091429199

1681Brother Bear's GardenUSU Personal Contest 2009843041

1682Crazy ProfessorUSU Personal Contest 2009480583

1683FridgeUSU Personal Contest 20092217128

1684Jack's Last WordUSU Personal Contest 20091052269

1685OrthographyUSU Personal Contest 20091594178

1686Photovoltaic SpaceshipUSU Personal Contest 20092091305

1687Numismatics for FunUSU Personal Contest 20092471112

1688Team.GOV!USU Personal Contest 20092205129

1689Fisherman and BarbellUSU Personal Contest 2009345805

1690Army of MagesPetrozavodsk Winter 2009. USU Contest458608

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest813125

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest840335

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1610939

1694Killer WordsPetrozavodsk Winter 2009. USU Contest902844

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest912816

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest301914

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest494820

1698Square Country 5Petrozavodsk Winter 2009. USU Contest487572

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2531081

1700AwakeningUral Championship 2009653426

1701Ostap and PartnersUral Championship 2009459602

1702CrossroadUral Championship 20091451821

1703Robotic ArmUral Championship 20091361933

1704DemodulationUral Championship 2009982614

1705Gangster HaresUral Championship 2009326840

1706Cipher Message 2Ural Championship 2009464596

1707Hypnotoad's SecretUral Championship 20091551711

1708Sum of Digits 2Ural Championship 20091312271

1709Penguin-AviaUral Championship 20091788157

1710Boris, You Are Wrong!Ural Championship 2009482574

1711Code NamesNEERC 2009 Eastern Subregional2157122

1712Cipher GrilleNEERC 2009 Eastern Subregional338378

1713Key SubstringsNEERC 2009 Eastern Subregional456565

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional932558

1715Another Ball KillerNEERC 2009 Eastern Subregional293870

1716Alternative SolutionNEERC 2009 Eastern Subregional346740

1717Eligibility RulesNEERC 2009 Eastern Subregional1052291

1718RejudgeNEERC 2009 Eastern Subregional998261

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1951285

1720Summit Online JudgeNEERC 2009 Eastern Subregional306834

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional507510

1722Observation DeckUral Regional School Programming Contest 20092321086

1723Sandro's BookUral Regional School Programming Contest 2009393567

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009397646

1725Sold Out!Ural Regional School Programming Contest 20091977132

1726VisitsUral Regional School Programming Contest 2009936278

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091467178

1728Curse on Team.GOVUral Regional School Programming Contest 2009552468

1729Dead Man's ChestUral Regional School Programming Contest 2009491525

1730ManBearPigUral Regional School Programming Contest 2009263963

1731DillUral Regional School Programming Contest 2009266798

1732Ministry of TruthUSU Championship 2009628410

1733Forgotten TechnologyUSU Championship 2009623630

1734Endgame DatabaseUSU Championship 20091411731

1735Theft of the CenturyUSU Championship 2009972443

1736Chinese HockeyUSU Championship 20092171151

1737Mnemonics and Palindromes 3USU Championship 20091138228

1738Computer SecurityUSU Championship 2009313809

1739FaryuksUSU Championship 2009972443

1740Deer is Better!USU Championship 20091813143

1741Communication FiendUSU Championship 2009934277

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest848295

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest273895

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1241890

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest266918

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1601490

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2011200

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest921272

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1391700

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2221092

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest733051

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest690362

1753BookshelfUSU Personal Contest 2010829296

1754Explosion in a PyramidUSU Personal Contest 2010463525

1755CakeUSU Personal Contest 2010349692

1756One and a Half DiggersUSU Personal Contest 20101561158

1757Gold BarsUSU Personal Contest 20101261828

1758Bald Spot Revisited 2USU Personal Contest 2010942390

1759Long-LiversUSU Personal Contest 2010638384

1760Infernal WorkUSU Personal Contest 2010427569

1761Binary PalindromeUSU Personal Contest 2010258927

1762Search for a Hiding-PlaceUSU Personal Contest 20101671404

1763Expert FleaUral Championship 2010395016

1764TranssibUral Championship 20101441596

1765Error 404Ural Championship 2010573668

1766Humpty DumptyUral Championship 20101881241

1767The House of Doctor DeeUral Championship 2010388618

1768Circular StringsUral Championship 20102311020

1769Old Ural LegendUral Championship 20101364179

1770The Party of Ural ChampionsUral Championship 20101541499

1771A Deputy's MorningUral Championship 2010414819

1772Ski-Trails for RobotsUral Championship 2010346690

1773Metro to Every HomeUral Championship 2010335712

1774Barber of the Army of MagesUral SU Championship 2010553406

1775Space BowlingUral SU Championship 2010304728

1776Anniversary FireworkUral SU Championship 2010516435

1777AnindilyakwaUral SU Championship 20102098108

1778Chinese Hockey 2Ural SU Championship 2010553517

1779The Great TeamUral SU Championship 2010839269

1780Gray CodeUral SU Championship 2010302733

1781Clean CodeUral SU Championship 20101131859

1782Jack's New WordUral SU Championship 20101281657

1783Nuclear Arms RaceUral SU Championship 2010589382

1784RoundersUral SU Championship 2010230953

1785Lost in LocalizationUral Regional School Programming Contest 20101275918

1786Sandro's BiographyUral Regional School Programming Contest 2010229399

1787Turn for MEGAUral Regional School Programming Contest 2010790829

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101612141

1789Searching for the DodecahedronUral Regional School Programming Contest 20101235183

1790Searching for the TruthUral Regional School Programming Contest 20101991091

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102041065

1792Hamming CodeUral Regional School Programming Contest 2010301875

1793Tray 2Ural Regional School Programming Contest 2010698322

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101311173

1795Husband in a ShopUral Regional School Programming Contest 2010996227

1796Amusement ParkUral Regional School Programming Contest 2010238395

1797Summit Online Judge. Version 2244831

1798Fire Circle. Version 2192708

1799Sasha and swag strings54942

1800Murphy's LawNEERC 2010 Eastern Subregional1251180

1801The Revolution CupNEERC 2010 Eastern Subregional345151

1802Cube PuzzleNEERC 2010 Eastern Subregional1361552

1803The Czechs' RiflesNEERC 2010 Eastern Subregional380581

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional722310

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional284771

1806Mobile TelegraphsNEERC 2010 Eastern Subregional371595

1807Cartridges for MaximNEERC 2010 Eastern Subregional1731239

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1471444

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional467475

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest603116

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1681225

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest892203

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1661239

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest722660

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest533462

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1041913

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest242866

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1231640

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest236609

1820Ural SteaksUSU Personal Contest 2011753328

1821BiathlonUSU Personal Contest 20111415150

1822Hugo II's WarUSU Personal Contest 2011359579

1823Ideal GasUSU Personal Contest 2011773273

1824Ifrit BomberUSU Personal Contest 2011238862

1825Ifrit Bomber 2USU Personal Contest 2011287719

1826MinefieldUSU Personal Contest 2011866244

1827Indigenous WarsUSU Personal Contest 2011213958

1828Approximation by a ProgressionUSU Personal Contest 2011570368

1829Routing TablesUSU Personal Contest 2011772456

1830Help in the RNOSUral Championship 2011272744

1831Tsyfirkin's LessonUral Championship 20111071793

1832Arirang ShowUral Championship 2011280724

1833Hopes of RowingUral Championship 2011822281

1834Tennis RacketUral Championship 2011533331

1835Swamp DoctorUral Championship 2011772412

1836Babel FishUral Championship 2011212945

1837Isenbaev's NumberUral Championship 2011334163

1838Samurai's StrokeUral Championship 2011353578

1839The MentaculusUral Championship 2011991925

1840Victim of AdvertisingUral Championship 2011187494

1841CablewaysPetrozavodsk Summer 2010. USU Contest1011775

1842Local RootsPetrozavodsk Summer 2010. USU Contest245795

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest602815

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1571180

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest473457

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1146170

1847ZamkadyePetrozavodsk Summer 2010. USU Contest413864

1848Fly HuntPetrozavodsk Summer 2010. USU Contest245795

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1011775

1850Space TourismPetrozavodsk Summer 2010. USU Contest762291

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1351355

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest951871

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest235954

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest517373

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1631136

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest562977

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1851008

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest533119

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest652620

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest476404

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest292651

1862Very Wealthy MoleUral FU Championship 20111711075

1863Peaceful AtomUral FU Championship 2011194954

1864Get-Together at Den'sUral FU Championship 20111307148

1865The Island of MärketUral FU Championship 2011642630

1866Poetic FootUral FU Championship 2011297634

1867NanotechnologiesUral FU Championship 2011822115

1868Prediction ContestUral FU Championship 20111461132

1869New Year CruiseUral FU Championship 20111016190

1870Zinium 2Ural FU Championship 2011366518

1871Seismic WavesUral FU Championship 2011373508

1872Spacious OfficeUral FU Championship 2011267703

1873GOV ChroniclesUral Regional School Programming Contest 2011407465

1874Football GoalUral Regional School Programming Contest 20111147168

1875Angry BirdsUral Regional School Programming Contest 2011245761

1876Centipede's MorningUral Regional School Programming Contest 2011378551

1877Bicycle CodesUral Regional School Programming Contest 2011882422

1878Rubinchik's CubeUral Regional School Programming Contest 20111143168

1879GOV-internship 2Ural Regional School Programming Contest 20111701078

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011600832

1881Long problem statementUral Regional School Programming Contest 2011352355

1882Old NokiaUral Regional School Programming Contest 2011732337

1883Ent's BirthdayUral Regional School Programming Contest 2011190970

1884Way to the UniversityUral Regional School Programming Contest 2011381496

1885Passenger ComfortNEERC 2011 Eastern Subregional963199

1886Trip 2NEERC 2011 Eastern Subregional1171522

1887Frequent Flyer CardNEERC 2011 Eastern Subregional187981

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional499380

1889Airport AnnouncementsNEERC 2011 Eastern Subregional789242

1890Money out of Thin AirNEERC 2011 Eastern Subregional422448

1891Language OceanNEERC 2011 Eastern Subregional365516

1892Morning in KoltsovoNEERC 2011 Eastern Subregional295634

1893A380NEERC 2011 Eastern Subregional348855

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1101611

1895Steaks on BoardNEERC 2011 Eastern Subregional722358

1896War Games 2.1351281

1900Brainwashing DeviceUral Championship 2012354447

1901Space ElevatorsUral Championship 2012428371

1902Neo-VeniceUral Championship 2012172594

1903Unidentified ShipsUral Championship 2012241648

1904The Lessons of the PastUral Championship 2012481331

1905Travel in TimeUral Championship 2012175879

1906The Lost CivilizationUral Championship 2012166253

1907Coffee and BunsUral Championship 20121521004

1908Brute-force SearchUral Championship 2012921594

1909Space ReconUral Championship 2012423127

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional469434

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional492746

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional211733

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1211237

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional393306

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional962167

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional672104

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional900178

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional233667

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional981500

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional329478

1921Chaos and OrderUral Regional School Programming Contest 2012164927

1922Superhero TeamUral Regional School Programming Contest 2012647246

1923Scary PoliticsUral Regional School Programming Contest 2012395398

1924Four ImpsUral Regional School Programming Contest 2012443736

1925British Scientists Save the WorldUral Regional School Programming Contest 2012260262

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012210734

1927Herbs and MagicUral Regional School Programming Contest 2012184832

1928Another Ecology ProblemUral Regional School Programming Contest 2012274568

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012562282

1930Ivan's CarUral Regional School Programming Contest 2012889180

1931Excellent TeamUral FU Championship 20121111143

1932The Secret of IdentifierUral FU Championship 2012220696

1933Guns for Battle!Ural FU Championship 2012539292

1934Black SpotUral FU Championship 2012524300

1935Tears of DrownedUral FU Championship 2012208876

1936RoshamboUral FU Championship 2012180843

1937Davy Jones’s OrganUral FU Championship 2012161937

1938Caribbean TriangleUral FU Championship 2012363482

1939First SealUral FU Championship 2012254607

1940Not So Simple YearsUral FU Championship 2012229670

1941Scary Martian WordUral FU Personal Contest 2012476320

1942Attack at the OrbitUral FU Personal Contest 2012347435

1943Space RummyUral FU Personal Contest 2012225661

1944Record of the Attack at the OrbitUral FU Personal Contest 2012856179

1945Many-armed BrothersUral FU Personal Contest 2012582285

1946Chinese Hockey 3Ural FU Personal Contest 20121081317

1947MeanderUral FU Personal Contest 20121061339

1948The Robot on the LineUral FU Personal Contest 2012155942

1949The Best Picture in the GalaxyUral FU Personal Contest 2012148983

1950Martian FarmlandsUral FU Personal Contest 2012931508

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection981312

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection59445

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection791592

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection283729

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection353149

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection891431

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection373015

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection412779

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection189712

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection292469

1961Cantonese DialectUral FU Personal Contest 2013200672

1962In Chinese RestaurantUral FU Personal Contest 2013230588

1963KiteUral FU Personal Contest 2013356386

1964Chinese DialectsUral FU Personal Contest 20131011138

1965Pear TreesUral FU Personal Contest 2013141935

1966Cycling RoadsUral FU Personal Contest 2013233581

1967Programmer CasinoUral FU Personal Contest 2013234276

1968Glass PyramidUral FU Personal Contest 20131151129

1969Hong Kong TramUral FU Personal Contest 2013592045

1970皇后像廣場Ural FU Personal Contest 2013153866

1971Graphics SettingsUral Championship 2013269493

1972Game TestingUral Championship 2013452502

1973Location GeneratorUral Championship 2013234169

1974Similar TunesUral Championship 2013164791

1975Model of the EarthUral Championship 2013343127

1976Game OptimizationUral Championship 2013128997

1977Energy WallUral Championship 2013562085

1978E-LiteUral Championship 2013472414

1979Resources DistributionUral Championship 2013128997

1980Road to InvestorUral Championship 2013256517

1981Parallel and PerpendicularUral FU Championship 2013456281

1982Electrification PlanUral FU Championship 2013997130

1983Nectar GatheringUral FU Championship 20131181025

1984Dummy GuyUral FU Championship 2013879148

1985Prime SquareUral FU Championship 2013971226

1986Paul’s SaladsUral FU Championship 2013166745

1987Nested SegmentsUral FU Championship 2013635203

1988Planet Ocean LandingUral FU Championship 2013157785

1989SubpalindromesUral FU Championship 2013416308

1990PodracingNEERC 2013 Eastern Subregional200622

1991The battle near the swampNEERC 2013 Eastern Subregional266549

1992CVSNEERC 2013 Eastern Subregional391326

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional837154

1994The Emperor's planNEERC 2013 Eastern Subregional180687

1995Illegal spicesNEERC 2013 Eastern Subregional327387

1996Cipher Message 3NEERC 2013 Eastern Subregional152806

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional352361

1998The old PadawanNEERC 2013 Eastern Subregional483265

1999The secret moduleNEERC 2013 Eastern Subregional214212

2000Grand Theft Array VUral Regional School Programming Contest 20131022125

2001Mathematicians and BerriesUral Regional School Programming Contest 2013465728

2002Test TaskUral Regional School Programming Contest 2013190168

2003Simple MagicUral Regional School Programming Contest 2013497255

2004Scientists from SpilkovoUral Regional School Programming Contest 2013232535

2005Taxi for ProgrammersUral Regional School Programming Contest 2013175473

2006Kirill the GardenerUral Regional School Programming Contest 2013392641

2007Mutants versus MachinesUral Regional School Programming Contest 2013981198

2008SwiftyUral Regional School Programming Contest 2013176696

2009Canteen LineUral Regional School Programming Contest 2013226548

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131270101

2011Long StatementUral Regional School Programming Contest 2013163479

2012About Grisha N.NEERC 2014 Eastern Subregional485921

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional169570

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional258380

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional506198

2016Magic and ScienceNEERC 2014 Eastern Subregional124634

2017Best of a bad lotNEERC 2014 Eastern Subregional113829

2018The Debut AlbumNEERC 2014 Eastern Subregional917110

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional549182

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional854118

2021Scarily interesting!NEERC 2014 Eastern Subregional342290

2022Riding a ToadNEERC 2014 Eastern Subregional392081

2023Donald is a postmanNEERC 2014 Eastern Subregional261039

2024Adventure TimeUral Regional School Programming Contest 2014440224

2025Line FightingUral Regional School Programming Contest 2014102398

2026Dean and ScheduleUral Regional School Programming Contest 2014274355

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014298327

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014180531

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014229422

2030Awesome Backup SystemUral Regional School Programming Contest 2014248391

2031Overturned NumbersUral Regional School Programming Contest 2014131476

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014186514

2033DevicesUral Regional School Programming Contest 2014103497

2034CaravansUral Regional School Programming Contest 2014371265

2035Another Dress RehearsalUral Regional School Programming Contest 2014146269

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest90992

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest120763

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest531574

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest114721

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest166563

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest621377

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest144131

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest213198

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest322361

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest231411

2046The First Day at SchoolUral Championship 2015258320

2047MathsUral Championship 2015216379

2048HistoryUral Championship 2015150536

2049ChemistryUral Championship 2015183060

20503D-modelingUral Championship 2015461530

2051PhysicsUral Championship 2015252448

2052Physical EducationUral Championship 201595816

2053BiologyUral Championship 2015302142

2054AstronomyUral Championship 201594509

2055Urban GeographyUral Championship 2015721045

2056ScholarshipUral Championship 201597887

2057Non-palidromic cuttingPalindromic Contest 153210

2058100500 palidnromesPalindromic Contest 321911

2059Not common palindromesPalindromic Contest 491360

2060Subpalindrome pairsPalindromic Contest 121613

2061OEIS A216264Palindromic Contest 153210

2062Ambitious ExperimentUral Regional School Programming Contest 2015201344

2063Black and WhiteUral Regional School Programming Contest 2015211328

2064CaterpillarsUral Regional School Programming Contest 2015126534

2065Different SumsUral Regional School Programming Contest 2015370191

2066Simple ExpressionUral Regional School Programming Contest 2015190938

2067Friends and BerriesUral Regional School Programming Contest 2015298236

2068Game of NutsUral Regional School Programming Contest 201586583

2069Hard RockUral Regional School Programming Contest 2015483147

2070Interesting NumbersUral Regional School Programming Contest 2015356198

2071Juice CocktailsUral Regional School Programming Contest 2015154443

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015363195

2073Log FilesUral Regional School Programming Contest 2015480148

2074Timus problems classifierQualification of eastern subregional contest 2015116499

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015241848

2076VasianaQualification of eastern subregional contest 201544487

2077ReductionsQualification of eastern subregional contest 201554188

2078Bowling gameUral Championship 2016132386

2079Memory leaksUral Championship 201692882

2080WalletUral Championship 201692537

2081Faulty dialUral Championship 2016125406

2082PokerUral Championship 201634175

2083The Guardian of TraditionsUral Championship 2016142282

2084Technical debtUral Championship 2016142282

2085Magic ProgrammerUral Championship 2016341244

2086Find DenisUral Championship 201673221

2087TrainsUral Championship 2016132380

2088Nostalgic EveningUral Championship 201663341

2089Experienced coachUral Championship 201691542

2090Crossroads of DestinyUral FU Personal Contest 2014142170

2091Natural SelectionUral FU Personal Contest 2014300168

2092BoleroUral FU Personal Contest 201476606

2093All Roads Lead to SnowdriftUral FU Personal Contest 201449883

2094Thousand ImpsUral FU Personal Contest 201424341

2095ScrumUral FU Personal Contest 2014261192

2096All InclusiveUral FU Personal Contest 2014181860

2097Snowboarding on SpilnayaUral FU Personal Contest 2014331211

2098Lada PrioraUral FU Personal Contest 2014241208

2099Space InvaderUral FU Personal Contest 2014113424

2100Wedding DinnerUral FU Junior Championship 201647287

2101Knight's ShieldUral FU Junior Championship 2016181500

2102Michael and CryptographyUral FU Junior Championship 2016186214

2103Corporate MailUral FU Junior Championship 201638875

2104Game with a StripUral FU Junior Championship 201689424

2105Alice and Bob are on BikesUral FU Junior Championship 2016162244

2106DeserializationUral FU Junior Championship 201649712

2107Oppa Funcan StyleUral FU Junior Championship 2016131826

2108Oleg and Little PoniesUral FU Junior Championship 201690420

2109Tourism on MarsUral FU Junior Championship 201668539

2110Remove or MaximizeUral FU Junior Championship 2016191448