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Problem set


1000A+B Problem9015116

1001Reverse Root2730815

1002Phone NumbersCentral European Olympiad in Informatics 19996337216

1003ParityCentral European Olympiad in Informatics 19993583382

1004Sightseeing TripCentral European Olympiad in Informatics 19992428564

1005Stone PileUSU Championship 19971570287

1006Square FramesUSU Championship 19971493913

1007Code WordsUSU Championship 19973598380

1008Image EncodingUSTU PhysTech Cup 20004002342

1009K-based NumbersUSU Championship 19971445995

1010Discrete FunctionUSTU PhysTech Cup 20005036272

1011ConductorsUSU Championship 19975842234

1012K-based Numbers. Version 27932172

1013K-based Numbers. Version 3859198

1014Product of DigitsUSU Local Contest. 199913703100

1015Test the Difference!USU Local Contest. 19993218424

1016Cube on the WalkUSU Local Contest. 19991755775

1017StaircasesUSU Local Contest. 19998780156

1018Binary Apple TreeUSU Local Contest. 19994719289

1019Line PaintingUSU Local Contest. 19993072444

1020RopeAutumn School Contest 200013332102

1021Sacrament of the SumAutumn School Contest 20009631142

1022Genealogical TreeAutumn School Contest 20009947137

1023ButtonsAutumn School Contest 20006674204

1024PermutationsAutumn School Contest 20004522301

1025Democracy in DangerAutumn School Contest 20002008268

1026Questions and AnswersAutumn School Contest 20009317146

1027D++ AgainAutumn School Contest 20002340581

1028StarsUral Championship 19995111266

1029MinistryUral Championship 19993507338

1030TitanicUral Championship 19991622835

1031Railway TicketsUral Championship 19993704367

1032Find a MultipleUral Championship 19993977298

1033LabyrinthUral Championship 19995932229

1034Queens in Peaceful PositionsUral Championship 19991774763

1035Cross-stitchUral Championship 199910241315

1036Lucky Tickets4565298

1037Memory ManagementUSU Championship 20001774757

1038Spell CheckerUSU Championship 20002985451

1039Anniversary PartyUSU Championship 20003571377

1040Airline CompanyUSU Championship 20001363983

1041NikiforUSU Championship 20006342096

1042Central HeatingUSU Championship 20001664806

1043Cover an ArcUSU Championship 20008531564

1044Lucky Tickets. Easy!USU Championship 200011272120

1045Funny GameUSU Local Contest. March 20002606510

1046Geometrical DreamsUSU Local Contest. March 20007241817

1047Simple CalculationsUSU Local Contest. March 20004470298

1048Superlong SumsUSU Local Contest. March 20007026189

1049Brave BalloonistsUSU Local Contest. March 20005547240

1050Preparing an ArticleUSU Local Contest. March 20009781350

1051Simple Game on a GridUSU Local Contest. March 20002710490

1052Rabbit HuntUSU Local Contest. March 20005888226

1053PinocchioNEERC 2000 Central Subregional4200316

1054Hanoi TowerNEERC 2000 Central Subregional2018656

1055CombinationsNEERC 2000 Central Subregional3354396

1056Computer NetNEERC 2000 Central Subregional2493532

1057Amount of DegreesNEERC 2000 Central Subregional1872707

1058ChocolateNEERC 2000 Central Subregional4522874

1059ExpressionNEERC 2000 Central Subregional2106629

1060Flip GameNEERC 20003523357

1061Buffer ManagerNEERC 20002052612

1062TriathlonNEERC 20006911798

1063Domino PuzzleNEERC 20005832124

1064Binary SearchNEERC 20002060609

1065FrontierNEERC 20009021383

1066GarlandNEERC 20002315542

1067Disk TreeNEERC 20002284549


1069Prufer CodeUSU Personal Contest 20012343521

1070Local TimeUSU Personal Contest 20011962622

1071Nikifor 2USU Personal Contest 20012033600

1072RoutingUSU Personal Contest 20012541480

1073Square CountryUSU Personal Contest 20018029152

1074Very Short ProblemUSU Personal Contest 20015902043

1075Thread in a SpaceUSU Personal Contest 20015712110


1077Travelling Tours1082405

1078SegmentsWinter Mathematical Festival Varna 20013245373

1079MaximumWinter Mathematical Festival Varna 200111010110

1080Map ColoringWinter Mathematical Festival Varna 20014888248

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014710257

1082Gaby IvanushkaSpring School Contest 200110129119

1083Factorials!!!Spring School Contest 20011732169

1084Goat in the GardenSpring School Contest 20018197146

1085MeetingSpring School Contest 20012026590

1086CryptographySpring School Contest 200110946110

1087The Time to Take StonesSpring School Contest 20014323277

1088Ilya MurometzSpring School Contest 20011688708

1089Verification with a VocabularySpring School Contest 20012644453

1090In the Army NowUSU Local Contest. March 20013194357

1091Tmutarakan ExamsUSU Local Contest. March 20012275500

1092TransversalUSU Local Contest. March 20015012236

1093DartsUSU Local Contest. March 20015851920

1094E-screenUSU Local Contest. March 20012650430

1095Nikifor 3USU Local Contest. March 20012067550

1096Get the Right Route Plate!USU Local Contest. March 20011649689

1097Square Country 2USU Local Contest. March 20018071398


1099Work Scheduling8771166

1100Final StandingsTetrahedron Team Online Contest May 2001942647

1101Robot in the FieldTetrahedron Team Online Contest May 2001783555

1102Strange DialogTetrahedron Team Online Contest May 20012513174

1103Pencils and CirclesTetrahedron Team Online Contest May 2001862504

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001470293

1105Observers ColoringTetrahedron Team Online Contest May 2001521828

1106Two TeamsTetrahedron Team Online Contest May 2001571577

1107Warehouse ProblemTetrahedron Team Online Contest May 20011045417

1108HeritageBulgarian Online Contest September 20011795245

1109ConferenceBulgarian Online Contest September 20011788246

1110PowerBulgarian Online Contest September 2001834653

1111SquaresBulgarian Online Contest September 20011107396

1112CoverBulgarian Online Contest September 20012219198

1113JeepBulgarian Online Contest September 20011702258

1114BoxesBulgarian Online Contest September 20012358187

1115ShipsBulgarian Online Contest September 20011073408

1116Piecewise Constant FunctionAutumn School Contest 20011379319

1117HierarchyAutumn School Contest 20011617272

1118Nontrivial NumbersAutumn School Contest 20014294103

1119MetroAutumn School Contest 2001595474

1120Sum of Sequential NumbersAutumn School Contest 2001509587

1121BranchesAutumn School Contest 20011301337

1122GameAutumn School Contest 20011848238

1123SalaryAutumn School Contest 20013690120

1124MosaicUSU Championship 20011433307

1125HopscotchUSU Championship 20011955225

1126Magnetic StormsUSU Championship 20014268103

1127Colored BricksUSU Championship 20011401314

1128Partition into GroupsUSU Championship 20011040422

1129Door PaintingUSU Championship 2001965454

1130Nikifor's WalkUSU Championship 2001440984

1131CopyingUSU Championship 2001583676

1132Square Root722605

1133Fibonacci SequenceNEERC 2001 Central Subregional2414183

1134CardsNEERC 2001 Central Subregional2440181

1135RecruitsNEERC 2001 Central Subregional2698164

1136ParliamentNEERC 2001 Central Subregional446599

1137Bus RoutesNEERC 2001 Central Subregional1491295

1138Integer PercentageNEERC 2001 Central Subregional2223198

1139City BlocksNEERC 2001 Central Subregional570078

1140Swamp IncidentNEERC 2001 Central Subregional1196367

1141RSA Attack1199367

1142RelationsDSAP Vietnam Online Contest November 20012988148

1143Electric PathDSAP Vietnam Online Contest November 2001767570

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012321832

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011130389

1146Maximum SumDSAP Vietnam Online Contest November 2001541882

1147Shaping RegionsDSAP Vietnam Online Contest November 2001542803

1148Building TowersDSAP Vietnam Online Contest November 20012421759

1149Sinus Dances715062

1150Page NumbersUral Championship 2001. Round 21828241

1151RadiobeaconsUral Championship 2001. Round 24161041

1152False MirrorsUral Championship 2001. Round 22640167

1153SupercomputerUral Championship 2001. Round 21478298

1154Mages ContestUral Championship 2001. Round 2496877

1155TroubleduonsUral Championship 2001. Round 21071410

1156Two RoundsUral Championship 2001. Round 21322333

1157Young TilerUral Championship 2001. Round 22666166

1158Censored!NEERC 2001 Northern Subregional870504

1159FenceNEERC 2001 Northern Subregional603724

1160NetworkNEERC 2001 Northern Subregional1519295

1161StripiesNEERC 2001 Northern Subregional484891

1162Currency ExchangeNEERC 2001 Northern Subregional993442

1163ChapaevNEERC 2001 Northern Subregional2161963

1164FillwordNEERC 2001 Northern Subregional2215199

1165SubnumberNEERC 2001 Northern Subregional493882

1166Funny Card GameNEERC 2001 Northern Subregional1183567

1167Bicolored HorsesRomanian Online Contest December 20013209138

1168Radio StationsRomanian Online Contest December 2001611715

1169PairsRomanian Online Contest December 2001605722

1170DesertRomanian Online Contest December 20012871494

1171Lost in SpaceRomanian Online Contest December 20013301305

1172Ship RoutesRomanian Online Contest December 2001784559

1173Lazy SnailRomanian Online Contest December 20014121052

1174Weird PermutationsRomanian Online Contest December 2001644679

1175Strange SequenceUSU Personal Contest 2002459949

1176HyperchannelsUSU Personal Contest 20021219362

1177Like ComparisonsUSU Personal Contest 20023261325

1178Akbardin’s RoadsUSU Personal Contest 20023064145

1179Numbers in TextUSU Personal Contest 20021578280

1180Stone GameUSU Personal Contest 2002517186

1181Cutting a Painted PolygonUSU Personal Contest 20021004439

1182Team Them Up!NEERC 2001857514

1183Brackets SequenceNEERC 20012149206

1184Cable MasterNEERC 20011518291

1185WallNEERC 20011424311

1186Chemical ReactionsNEERC 2001643682

1187Statistical TroubleNEERC 20012092034

1188LibraryNEERC 20011972152

1189Pairs of IntegersNEERC 2001893493

1190Bar of ChocolateSpring School Contest 20021455304

1191Catch the thief!Spring School Contest 20021825243

1192Ball in a DreamSpring School Contest 20024058109

1193Queue at the ExamSpring School Contest 20022491178

1194HandshakesSpring School Contest 2002551181

1195Ouths and CrossesSpring School Contest 20021736255

1196History ExamSpring School Contest 2002775657

1197Lonesome KnightSpring School Contest 20021540929



1200Horns and HoofsUSU Local Contest. March 20021776250

1201Which Day Is It?USU Local Contest. March 20021271348

1202Rectangles TravelUSU Local Contest. March 2002981450

1203Scientific ConferenceUSU Local Contest. March 2002506988

1204IdempotentsUSU Local Contest. March 20021952227

1205By the Underground or by Foot?USU Local Contest. March 20021896234

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023688121

1207Median on the PlaneUSU Local Contest. March 20022031218

1208Legendary Teams ContestUSU Local Contest. March 20022090212

12091, 10, 100, 1000...Autumn School Contest 20021209337

1210Kind SpiritsAutumn School Contest 20023025148

1211Collective GuaranteeAutumn School Contest 20021378324

1212BattleshipAutumn School Contest 2002885502

1213Cockroaches!Autumn School Contest 20022656169

1214Strange ProcedureAutumn School Contest 20024458101

1215Exactness of Projectile HitAutumn School Contest 20021490300

1216Two Pawns and One KingUSU Championship 20022122027

1217Unlucky TicketsUSU Championship 20021103404

1218Episode N-th: The Jedi TournamentUSU Championship 20021361328

1219Symbolic SequenceUSU Championship 20023858116

1220StacksUSU Championship 20021568285

1221Malevich Strikes Back!USU Championship 20021067418

1222Chernobyl’ EaglesUSU Championship 20023223139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021393321

1224SpiralNEERC 2002 Central Subregional663668

1225FlagsNEERC 2002 Central Subregional1183438

1226esreveR redrONEERC 2002 Central Subregional4033111

1227Rally ChampionshipNEERC 2002 Central Subregional1439311

1228ArrayNEERC 2002 Central Subregional4315104

1229Strong BrickworkNEERC 2002 Central Subregional1154387

1230Introspective ProgramNEERC 2002 Central Subregional601737

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012133

1232Asteroid LandingNEERC 2002 Central Subregional1862296

1233Amusing NumbersNEERC 2002467945

1234BricksNEERC 2002665668

1235Cricket FieldNEERC 2002589753

1236Decoding TaskNEERC 2002890501

1237Evacuation PlanNEERC 2002463954

1238FoldingNEERC 20021021438

1239Ghost BustersNEERC 20021432946

1240Heroes of Might and MagicNEERC 20023051431

1241Inlay CuttersNEERC 20022621659

1242WerewolfUSU Personal Contest 20032167208

1243Divorce of the Seven DwarfsUSU Personal Contest 2003884551

1244GentlemenUSU Personal Contest 20031686267

1245PicturesUSU Personal Contest 2003481921

1246Tethered DogUSU Personal Contest 20031318341

1247Check a SequenceUSU Personal Contest 20031890238

1248Sequence SumUSU Personal Contest 2003685651

1249Ancient NecropolisUSU Local Contest. March 20032113213

1250Sea BurialUSU Local Contest. March 2003628709

1251Cemetery ManagerUSU Local Contest. March 20032801561

1252Sorting the TombstonesUSU Local Contest. March 20031107405

1253NecrologuesUSU Local Contest. March 2003661675

1254Die HardUSU Local Contest. March 2003688648

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031673269

1256Cemetery GuardUSU Local Contest. March 20031852321

1257HyphenationAutumn School Contest 20032571710

1258PoolAutumn School Contest 20031079419

1259How to Become Star?Autumn School Contest 20031168388

1260Nudnik PhotographerAutumn School Contest 20034047113

1261TipsAutumn School Contest 20031335339

1262Pseudo-Roman NumberAutumn School Contest 20031208375

1263ElectionsAutumn School Contest 20031030544

1264WorkdaysAutumn School Contest 20031935724

1265MirrorUSU Championship 20032971488

1266Kirchhoff's LawUSU Championship 20032991478

1267Yekaterinburg SubwayUSU Championship 20032221969

1268Little ChuUSU Championship 2003595755

1269Obscene Words FilterUSU Championship 2003516868

1270UnicubeUSU Championship 20031782429

1271Sailing DirectionsUSU Championship 2003854808

1272Non-Yekaterinburg SubwayUSU Championship 20032957154

1273TieUSU Championship 2003953474

1274Fractional ArithmeticNEERC 2003 Central Subregional654688

1275Knights of the Round TableNEERC 2003 Central Subregional1612672

1276TrainNEERC 2003 Central Subregional570788

1277Cops and ThievesNEERC 2003 Central Subregional573784

1278“… Connecting People”NEERC 2003 Central Subregional452989

1279WarehouseNEERC 2003 Central Subregional1082418

1280Topological SortingNEERC 2003 Central Subregional3108147

1281River BasinNEERC 2003 Central Subregional3191389

1282Game TreeNEERC 2003 Central Subregional1343338

1283DwarfUSU Personal Contest 20043806120

1284Space PokerUSU Personal Contest 20041862342

1285Thread in a HyperspaceUSU Personal Contest 20042451800

1286Starship TravelUSU Personal Contest 2004666679

1287Mars CanalsUSU Personal Contest 20041188383

1288AstrolocationUSU Personal Contest 20041982207

1289One Way TicketUSU Personal Contest 20041176387

1290SabotageSpring School Contest 2004575580

1291Gear-wheelsSpring School Contest 20041132402

1292Mars Space StationsSpring School Contest 20041246366

1293EniyaSpring School Contest 20042789616

1294Mars SatellitesSpring School Contest 20041467311

1295Crazy NotionsSpring School Contest 20042992153

1296HyperjumpSpring School Contest 2004503291

1297PalindromeSpring School Contest 2004532486

1298KnightSpring School Contest 20041783256

1299PsyloniansSpring School Contest 20043011477

1300TaxesUral Championship 19981602703

1301Cube in LabyrinthUral Championship 1998613737

1302Delta-waveUral Championship 19981362335

1303Minimal CoverageUral Championship 19982052223

1304ParallelepipedUral Championship 19982291922

1305Convex HullUral Championship 1998633715

1306Sequence MedianUral Championship 19983054150

1307ArchiverUral Championship 2004. Round 13511273

1308Dean's PyramidUral Championship 2004. Round 11562769

1309DisputeUral Championship 2004. Round 1728623

1310ACM DiagnosticsUral Championship 2004. Round 13641229

1311Stable ConstructionUral Championship 2004. Round 13101437

1312TrayUral Championship 2004. Round 11512855

1313Some Words about SportUral Championship 2004. Round 11252737

1314Chase in SubwayUral Championship 2004. Round 1715634

1315MDPAR and MIIARUral Championship 2004. Round 12201999

1316Electronic AuctionUral Championship 2004. Round 11024445

1317HailUral Championship 2004. Round 24121089

1318LogarithmUral Championship 2004. Round 23151415

1319HotelUral Championship 2004. Round 21139140

1320Graph DecompositionUral Championship 2004. Round 21502304

1321Floor IndicatorUral Championship 2004. Round 23341337

1322SpyUral Championship 2004. Round 2993458

1323ClassmatesUral Championship 2004. Round 2550821

1324Extra SpacesUral Championship 2004. Round 2477944

1325DirtUral Championship 2004. Round 2816557

1326Bottle TapsUral Championship 2004. Round 21036440

1327FusesAutumn School Contest 2004966448

1328FireballAutumn School Contest 20043301361

1329Galactic HistoryAutumn School Contest 2004980467

1330IntervalsAutumn School Contest 20044577101

1331VladislavaAutumn School Contest 2004456993

1332Genie BomberAutumn School Contest 2004719635

1333Genie Bomber 2Autumn School Contest 20042116218

1334CheckersAutumn School Contest 2004867528

1335White ThesisAutumn School Contest 20042608177

1336Problem of Ben BetsalelAutumn School Contest 20043801121

1337BureaucracyAutumn School Contest 20042811590

1338AutomobilesUSU Championship 20042521773

1339BabiesUSU Championship 2004494922

1340CucarachaUSU Championship 2004874790

1341DeviceUSU Championship 20044041122

1342EnterpriseUSU Championship 2004577792

1343Fairy TaleUSU Championship 20041049439

1344Gigantic TurnipUSU Championship 2004934511

1345HTMLUSU Championship 20043261383

1346Intervals of MonotonicityUSU Championship 20041476313

1347BlogSpring School Contest 20053201409

1348Goat in the Garden 2Spring School Contest 20052414192

1349FarmSpring School Contest 2005879253

1350CanteenSpring School Contest 20051176392

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005855538

1352Mersenne PrimesSpring School Contest 20053576130

1353Milliard Vasya's FunctionSpring School Contest 20054354107

1354Palindrome. Again PalindromeSpring School Contest 20053085150

1355Bald Spot RevisitedSpring School Contest 20052113219

1356Something EasierSpring School Contest 20051315351

1357Teakettle 1.0 for DummiesSpring School Contest 20053831183

1358CablesSpring School Contest 2005819561

1359ConstructionSpring School Contest 20053651240

1360Philosophical DisputeUral Championship 2005. Round 23391334

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21972249

1362Classmates 2Ural Championship 2005. Round 2958481

1363HalftonesUral Championship 2005. Round 2705818

1364LaraKillerUral Championship 2005. Round 2474962

1365Testing CalculatorUral Championship 2005. Round 2864848

1366PresentsUral Championship 2005. Round 2870529

1367Top SecretUral Championship 2005. Round 21403103

1368Goat in the Garden 3Ural Championship 2005. Round 21822424

1369Cockroach RaceUral Championship 2005. Round 22314105

1370MagicianUral Championship 2005. Round 2502592

1371Cargo AgencyUral Championship 2005. Round 1814567

1372Death StarUral Championship 2005. Round 1735626

1373Pictura ex MachinaUral Championship 2005. Round 1534858

1374MisereUral Championship 2005. Round 12911972

1375Bill CleversUral Championship 2005. Round 1829557

1376Dean's Pyramid 2Ural Championship 2005. Round 1399529

1377Lara CroftUral Championship 2005. Round 11600290

1378Artificial IntelligenceUral Championship 2005. Round 12991511

1379Cups TransportationUral Championship 2005. Round 1650707

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1034133

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1203592

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2441839

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2314152

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest785307

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1916242

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3921162

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2891562

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1816679

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest743620

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest379936

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest795247

1392Dreaming of Stars609754

1393Average Common Prefix3751201

1394Ships. Version 2825946

1395Pascal vs. C++. Version 21592632

1396Maximum. Version 22092025

1397Points Game2271808

1398Bishop and Pawn451907

1399Economical Director2910710

1400Cellular CharactersAutumn School Contest 2005848544

1401GamersAutumn School Contest 20051074431

1402CocktailsAutumn School Contest 20053530132

1403CourierAutumn School Contest 20051264367

1404Easy to Hack!Autumn School Contest 2005572781

1405Goat in the Garden 5Autumn School Contest 2005646712

1406Next NumberAutumn School Contest 20051371338

1407One-two, One-twoAutumn School Contest 20051208383

1408Polynomial MultiplicationAutumn School Contest 20053891170

1409Two GangstersAutumn School Contest 20052667917

1410CrackUSU Championship 20051125410

141140 Islands KnightsUSU Championship 20051443022

1412Autumn TideUSU Championship 20052991506

1413Mars JumperUSU Championship 20052653175

1414Astronomical DatabaseUSU Championship 20051007458

1415Mobile LifeUSU Championship 2005399493

1416ConfidentialUSU Championship 20051113414

1417Space Poker 2USU Championship 20052361892

1418Military StoryUSU Championship 2005494923

1419Maps of the Island WorldsUSU Championship 20053441314

1420Integer-Valued Complex DivisionUSU Championship 20052651692

1421Credit OperationsTimus Top Coders: First Challenge817548

1422FirefliesTimus Top Coders: First Challenge502885

1423String TaleTimus Top Coders: First Challenge2514180

1424MinibusTimus Top Coders: First Challenge609732

1425Queen 2Timus Top Coders: First Challenge2471764

1426RectanglesTimus Top Coders: First Challenge785151

1427SMSTimus Top Coders: First Challenge1234364

1428Jedi RiddleTimus Top Coders: First Challenge918488

1429BiscuitsTimus Top Coders: First Challenge1602667

1430Crime and PunishmentTimus Top Coders: First Challenge964465

1431DiplomasUSU Personal Contest 20061269353

1432Twofold LuckUSU Personal Contest 2006458213

1433DiamondsUSU Personal Contest 20061765255

1434Buses in VasyukiUSU Personal Contest 20064241041

1435Financial ErrorUSU Personal Contest 2006456969

1436BillboardUSU Personal Contest 2006527841

1437Gasoline StationUSU Personal Contest 2006873512

1438Time Limit ExceededUSU Personal Contest 20061373073

1439Battle with You-Know-WhoUral Championship 2006942471

1440Training ScheduleUral Championship 2006638692

1441From the History of Gringotts BankUral Championship 20063571222

1442Floo PowderUral Championship 20061353093

1443RailsUral Championship 2006673657

1444ElephpotamusUral Championship 2006446983

1445Christmas giftsUral Championship 2006760582

1446Sorting HatUral Championship 2006488492

1447Portkey NetworkUral Championship 20064201043

1448Lighting in HogwartsUral Championship 2006778569

1449Credit Operations 2Timus Top Coders: Second Challenge3011432

1450Russian PipelinesTimus Top Coders: Second Challenge1598277

1451Beerhouse TaleTimus Top Coders: Second Challenge442986

1452Pascal vs. C++Timus Top Coders: Second Challenge703625

1453QueenTimus Top Coders: Second Challenge3511234

1454Rectangles 2Timus Top Coders: Second Challenge1662531

1455Freedom of SpeechTimus Top Coders: Second Challenge2112016

1456Jedi Riddle 2Timus Top Coders: Second Challenge572765

1457Heating MainTimus Top Coders: Second Challenge653768

1458War GamesTimus Top Coders: Second Challenge3581210

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2391739

1460WiresPetrozavodsk Winter 2006. USU Contest954125

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4191010

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest482880

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest677630

1464LightPetrozavodsk Winter 2006. USU Contest1432831

1465Pawn GamePetrozavodsk Winter 2006. USU Contest843508

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1273161

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3421230

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest503835

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest3801099

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1660257

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1986215

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3641146

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest735162

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest592712

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest924200

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2831462

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1313039

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1003895

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest695423

1480CouponsUSU Championship 2006942449

1481Winning ChancesUSU Championship 20061732333

1482Triangle GameUSU Championship 20061293072

1483Table FootballUSU Championship 20061151368

1484Film RatingUSU Championship 2006615683

1485Football and LieUSU Championship 20062511636

1486Equal SquaresUSU Championship 2006561748

1487Chinese FootballUSU Championship 20063261271

1488ACM PokerUSU Championship 20062631564

1489Points on a ParallelepipedAutumn School Contest 20061079391

1490Fire CircleAutumn School Contest 20062108201

1491Unreal StoryAutumn School Contest 20061987213

1492Vasya's Dad 2Autumn School Contest 20062121920

1493One Step from HappinessAutumn School Contest 2006863649

1494MonobilliardsAutumn School Contest 20062566165

1495One-two, One-two 2Autumn School Contest 20061243340

1496SpammerAutumn School Contest 2006788654

1497Cutting a SquareAutumn School Contest 20061442294

1498Stroke at Full SpeedAutumn School Contest 2006490853

1499KerchiefsAutumn School Contest 20062901421

1500Pass LicensesNEERC 2006 Eastern Subregional659635

1501Sense of BeautyNEERC 2006 Eastern Subregional1564270

1502Domino DotsNEERC 2006 Eastern Subregional564975

1503PolynomialNEERC 2006 Eastern Subregional2271792

1504Good MannersNEERC 2006 Eastern Subregional1742308

1505Oil TransferNEERC 2006 Eastern Subregional1313012

1506Columns of NumbersNEERC 2006 Eastern Subregional2709156

1507Difficult DecisionNEERC 2006 Eastern Subregional982428

1508Japanese PuzzleNEERC 2006 Eastern Subregional2391706

1509Domino RecognitionNEERC 2006 Eastern Subregional1043726

1510OrderNEERC 2006 Eastern Subregional477989

1511Fiscal OperationsTimus Top Coders: Third Challenge3471175

1512ZiniumTimus Top Coders: Third Challenge510807

1513Lemon TaleTimus Top Coders: Third Challenge1067390

1514National ParkTimus Top Coders: Third Challenge2171848

1515CashmasterTimus Top Coders: Third Challenge1959213

1516NostalgiaTimus Top Coders: Third Challenge2201824

1517Freedom of ChoiceTimus Top Coders: Third Challenge1435290

1518Jedi Riddle 3Timus Top Coders: Third Challenge3831067

1519Formula 1Timus Top Coders: Third Challenge971428

1520Empire Strikes BackTimus Top Coders: Third Challenge1582497

1521War Games 2Timus Top Coders: Third Challenge1648253

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2041929

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1290317

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212897

1525PathPetrozavodsk Winter 2007. D.Gozman Contest868470

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2881385

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2961349

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1576260

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924046

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest458882

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2971344

1532Lost in TranslationUSU Personal Contest 20071971987

1533Fat HobbitsUSU Personal Contest 20073701083

1534Football in GondorUSU Personal Contest 2007729557

1535The Hobbit or There and Back AgainUSU Personal Contest 2007847480

1536Delights of Pipe-weedUSU Personal Contest 2007516744

1537EntsUSU Personal Contest 20071456281

1538Towers of GuardUSU Personal Contest 20073211243

1539Intelligence DataUSU Personal Contest 20073801055

1540Battle for the RingUSU Personal Contest 20073651097

1541ChaseUSU Personal Contest 20071882078

1542AutocompletionUral Championship 2007623642

1543Dance RevolutionUral Championship 20071752196

1544Classmates 3Ural Championship 20073271205

1545HieroglyphsUral Championship 2007768153

1546Japanese SortingUral Championship 2007422940

1547Password SearchUral Championship 2007477834

1548Sakura and StatisticsUral Championship 20071218466

1549Another Japanese PuzzleUral Championship 20071712244

1550Dean's Pyramid 3Ural Championship 2007668599

1551Sumo TournamentUral Championship 20071347299

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2901301

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1142339

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest609631

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411483

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329295

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191705

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest465822

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest883984

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest385988

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1312769

1562GM-pineappleUSU Championship 2007941409

1563BayanUSU Championship 2007665858

1564Counting OnesUSU Championship 2007570671

1565The Duel for ThreeUSU Championship 20072201691

1566Triangular PostcardsUSU Championship 20071183039

1567SMS-spamUSU Championship 2007963340

1568Train Car SortingUSU Championship 20072351588

1569Networking the “Iset”USU Championship 20073651037

1570Eating HighUSU Championship 20073651037

1571InterpretersUSU Championship 2007894430

1572Yekaterinozavodsk Great WellAutumn School Contest 20072717142

1573AlchemyAutumn School Contest 20073745103

1574Mathematicians and bracketsAutumn School Contest 20071081356

1575Yekaterinburg Subway 2Autumn School Contest 2007411922

1576Telephone TariffsAutumn School Contest 20072708143

1577E-mailAutumn School Contest 2007802478

1578Mammoth HuntAutumn School Contest 2007425893

1579Coat TransportationAutumn School Contest 2007781491

1580Dean's DebtsAutumn School Contest 2007424895

1581TeamworkAutumn School Contest 2007936641

1582BookmakersNEERC 2007 Eastern Subregional3329116

1583CheeseNEERC 2007 Eastern Subregional2061791

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2991252

1585PenguinsNEERC 2007 Eastern Subregional944341

1586Threeprime NumbersNEERC 2007 Eastern Subregional2510154

1587Flying PigNEERC 2007 Eastern Subregional472803

1588JamaicaNEERC 2007 Eastern Subregional1213316

1589SokobanNEERC 2007 Eastern Subregional821492

1590Bacon’s CipherNEERC 2007 Eastern Subregional1758219

1591Abstract ThinkingNEERC 2007 Eastern Subregional3721013

1592Chinese WatchesNEERC 2007 Eastern Subregional653584

1593Square Country. Version 2449744

1594Aztec Treasure594794

1595Perfect Sequence2871113

1596Knight Mare178995

1597Chernobyl’ Eagle on a Roof. Version 2572583

1598DSA Attack294388

1599Winding Number442660

1600AirportUSU Personal Contest 2008676546

1601AntiCAPSUSU Personal Contest 2008419789

1602ElevatorUSU Personal Contest 2008867427

1603EruditeUSU Personal Contest 20081493249

1604Country of FoolsUSU Personal Contest 20081283289

1605Devil's SequenceUSU Personal Contest 2008636579

1606SlalomUSU Personal Contest 2008537684

1607TaxiUSU Personal Contest 2008727451

1608Lucky Tickets 2008Ural Championship 2008372972

1609Tram TileUral Championship 20081292672

1610CactusesUral Championship 20081911848

1611DecimationUral Championship 2008522698

1612Tram ForumUral Championship 20082601142

1613For Fans of StatisticsUral Championship 20082335158

1614National Project “Trams”Ural Championship 2008463785

1615Tram SolitaireUral Championship 20081871885

1616Square Country 4Ural Championship 2008883790

1617Flat SpotsUral Championship 2008579764

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest605112

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest524670

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2391437

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest664708

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1013223

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest983313

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest456505

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest354983

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest377613

1627JoinPetrozavodsk Winter 2008. ITMO Contest3271062

1628White StreaksUSU Championship 2008800435

1629TripUSU Championship 2008449768

1630TalismanUSU Championship 2008363945

1631Drunk King 2USU Championship 2008805433

1632LasersUSU Championship 2008793961

1633HippogriffsUSU Championship 2008485712

1634Spider MiteUSU Championship 20081562124

1635Mnemonics and PalindromesUSU Championship 20081759199

1636Penalty TimeUSU Championship 2008600759

1637Triangle Game 2USU Championship 20081063039

1638BookwormUSU Championship 2008493871

1639Chocolate 2Autumn School Contest 20081074233

1640Circle of WinterAutumn School Contest 20082075168

1641DutiesAutumn School Contest 2008736471

16421D MazeAutumn School Contest 2008373694

1643Attack of the Dark FortressAutumn School Contest 2008758457

1644A Whole Lot of WalnutsAutumn School Contest 2008365496

1645Ski RaceAutumn School Contest 20081822192

1646Godzilla Strikes Back!Autumn School Contest 2008424809

1647Divide an Island!Autumn School Contest 2008443775

1648YachtsAutumn School Contest 2008970358

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional407011

1650BillionairesNEERC 2008 Eastern Subregional739468

1651Shortest SubchainNEERC 2008 Eastern Subregional999347

1652Banking CrisisNEERC 2008 Eastern Subregional1302504

1653Death ConveyorNEERC 2008 Eastern Subregional407010

1654Cipher MessageNEERC 2008 Eastern Subregional573961

1655Somali PiratesNEERC 2008 Eastern Subregional1622038

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1775196

1657Cube SnakeNEERC 2008 Eastern Subregional2421391

1658Sum of DigitsNEERC 2008 Eastern Subregional1431243

1659Regular TrianglesNEERC 2008 Eastern Subregional557618

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest446405

1661DodecahedronPetrozavodsk Winter 2008. USU Contest734167

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest664551

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1162745

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1671954

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest823415

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2721227

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1711911

1668Death Star 2Petrozavodsk Winter 2008. USU Contest466176

1669Universal WordPetrozavodsk Winter 2008. USU Contest2551305

1670AsteriskPetrozavodsk Summer 2008. USU Contest1881737

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2462139

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2111093

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2271451

1674Drunk KingPetrozavodsk Summer 2008. USU Contest485929

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1871746

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1901719

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1951678

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest308597

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest336994

1680The First NonqualifyingUSU Personal Contest 20091661203

1681Brother Bear's GardenUSU Personal Contest 2009913359

1682Crazy ProfessorUSU Personal Contest 2009611546

1683FridgeUSU Personal Contest 20092636128

1684Jack's Last WordUSU Personal Contest 20091277264

1685OrthographyUSU Personal Contest 20091923176

1686Photovoltaic SpaceshipUSU Personal Contest 20092361379

1687Numismatics for FunUSU Personal Contest 20092841154

1688Team.GOV!USU Personal Contest 20092688126

1689Fisherman and BarbellUSU Personal Contest 2009393842

1690Army of MagesPetrozavodsk Winter 2009. USU Contest537618

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1003073

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest955350

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2110903

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1112793

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1062914

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest379869

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest535365

1698Square Country 5Petrozavodsk Winter 2009. USU Contest553600

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3131046

1700AwakeningUral Championship 2009726457

1701Ostap and PartnersUral Championship 2009546604

1702CrossroadUral Championship 20091562024

1703Robotic ArmUral Championship 20091781787

1704DemodulationUral Championship 20091062897

1705Gangster HaresUral Championship 2009383855

1706Cipher Message 2Ural Championship 2009525628

1707Hypnotoad's SecretUral Championship 20091711856

1708Sum of Digits 2Ural Championship 20091612922

1709Penguin-AviaUral Championship 20092168154

1710Boris, You Are Wrong!Ural Championship 2009547603

1711Code NamesNEERC 2009 Eastern Subregional2559124

1712Cipher GrilleNEERC 2009 Eastern Subregional405778

1713Key SubstringsNEERC 2009 Eastern Subregional534586

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1022845

1715Another Ball KillerNEERC 2009 Eastern Subregional326948

1716Alternative SolutionNEERC 2009 Eastern Subregional409760

1717Eligibility RulesNEERC 2009 Eastern Subregional1232396

1718RejudgeNEERC 2009 Eastern Subregional1138278

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2231368

1720Summit Online JudgeNEERC 2009 Eastern Subregional341908

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional575545

1722Observation DeckUral Regional School Programming Contest 20092541205

1723Sandro's BookUral Regional School Programming Contest 2009506863

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009488639

1725Sold Out!Ural Regional School Programming Contest 20092413131

1726VisitsUral Regional School Programming Contest 20091314240

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091733182

1728Curse on Team.GOVUral Regional School Programming Contest 2009640489

1729Dead Man's ChestUral Regional School Programming Contest 2009549569

1730ManBearPigUral Regional School Programming Contest 20092941046

1731DillUral Regional School Programming Contest 2009322398

1732Ministry of TruthUSU Championship 2009717436

1733Forgotten TechnologyUSU Championship 2009644279

1734Endgame DatabaseUSU Championship 20091521955

1735Theft of the CenturyUSU Championship 20091042778

1736Chinese HockeyUSU Championship 20092641156

1737Mnemonics and Palindromes 3USU Championship 20091360231

1738Computer SecurityUSU Championship 2009352875

1739FaryuksUSU Championship 20091362169

1740Deer is Better!USU Championship 20092269139

1741Communication FiendUSU Championship 20091157271

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1029298

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest334899

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1551874

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest339886

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1901546

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2311283

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1187258

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1541885

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2521180

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest833324

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest909336

1753BookshelfUSU Personal Contest 2010983307

1754Explosion in a PyramidUSU Personal Contest 2010513583

1755CakeUSU Personal Contest 2010399745

1756One and a Half DiggersUSU Personal Contest 20101871162

1757Gold BarsUSU Personal Contest 20101352102

1758Bald Spot Revisited 2USU Personal Contest 20101072605

1759Long-LiversUSU Personal Contest 2010721417

1760Infernal WorkUSU Personal Contest 2010486615

1761Binary PalindromeUSU Personal Contest 2010296996

1762Search for a Hiding-PlaceUSU Personal Contest 20101881539

1763Expert FleaUral Championship 2010455495

1764TranssibUral Championship 20101731652

1765Error 404Ural Championship 2010723686

1766Humpty DumptyUral Championship 20102231297

1767The House of Doctor DeeUral Championship 2010453653

1768Circular StringsUral Championship 20102661095

1769Old Ural LegendUral Championship 20101633184

1770The Party of Ural ChampionsUral Championship 20101761625

1771A Deputy's MorningUral Championship 2010455495

1772Ski-Trails for RobotsUral Championship 2010424696

1773Metro to Every HomeUral Championship 2010397743

1774Barber of the Army of MagesUral SU Championship 2010637443

1775Space BowlingUral SU Championship 2010339821

1776Anniversary FireworkUral SU Championship 2010633445

1777AnindilyakwaUral SU Championship 20102525113

1778Chinese Hockey 2Ural SU Championship 2010633923

1779The Great TeamUral SU Championship 2010954297

1780Gray CodeUral SU Championship 2010344809

1781Clean CodeUral SU Championship 20101272090

1782Jack's New WordUral SU Championship 20101431872

1783Nuclear Arms RaceUral SU Championship 2010674419

1784RoundersUral SU Championship 20102481110

1785Lost in LocalizationUral Regional School Programming Contest 20101768916

1786Sandro's BiographyUral Regional School Programming Contest 20102852100

1787Turn for MEGAUral Regional School Programming Contest 20101101626

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101952146

1789Searching for the DodecahedronUral Regional School Programming Contest 20101464194

1790Searching for the TruthUral Regional School Programming Contest 20102251216

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102171259

1792Hamming CodeUral Regional School Programming Contest 2010374376

1793Tray 2Ural Regional School Programming Contest 2010810348

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101591178

1795Husband in a ShopUral Regional School Programming Contest 20101215233

1796Amusement ParkUral Regional School Programming Contest 2010288699

1797Summit Online Judge. Version 2364931

1798Fire Circle. Version 2313598

1799Sasha and swag strings244219

1800Murphy's LawNEERC 2010 Eastern Subregional1540184

1801The Revolution CupNEERC 2010 Eastern Subregional445269

1802Cube PuzzleNEERC 2010 Eastern Subregional1481801

1803The Czechs' RiflesNEERC 2010 Eastern Subregional430647

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional794354

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional314878

1806Mobile TelegraphsNEERC 2010 Eastern Subregional473589

1807Cartridges for MaximNEERC 2010 Eastern Subregional2041330

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1601674

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional523534

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest653689

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1991324

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1012492

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1841426

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest852912

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest584068

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1112286

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest284941

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1371882

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest346287

1820Ural SteaksUSU Personal Contest 20111046726

1821BiathlonUSU Personal Contest 20111731157

1822Hugo II's WarUSU Personal Contest 2011430619

1823Ideal GasUSU Personal Contest 2011884305

1824Ifrit BomberUSU Personal Contest 2011264995

1825Ifrit Bomber 2USU Personal Contest 2011328806

1826MinefieldUSU Personal Contest 2011979276

1827Indigenous WarsUSU Personal Contest 20112501048

1828Approximation by a ProgressionUSU Personal Contest 2011654410

1829Routing TablesUSU Personal Contest 2011852869

1830Help in the RNOSUral Championship 2011317823

1831Tsyfirkin's LessonUral Championship 20111242007

1832Arirang ShowUral Championship 2011319818

1833Hopes of RowingUral Championship 20111042360

1834Tennis RacketUral Championship 2011564075

1835Swamp DoctorUral Championship 2011872773

1836Babel FishUral Championship 20112531023

1837Isenbaev's NumberUral Championship 2011467357

1838Samurai's StrokeUral Championship 2011397661

1839The MentaculusUral Championship 20111102242

1840Victim of AdvertisingUral Championship 2011228406

1841CablewaysPetrozavodsk Summer 2010. USU Contest1162041

1842Local RootsPetrozavodsk Summer 2010. USU Contest335980

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest633523

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1771375

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest534082

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1706150

1847ZamkadyePetrozavodsk Summer 2010. USU Contest514216

1848Fly HuntPetrozavodsk Summer 2010. USU Contest355715

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1092161

1850Space TourismPetrozavodsk Summer 2010. USU Contest902572

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1601510

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1052232

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest296580

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest639395

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1981234

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest673333

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2121156

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest593719

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest703208

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest597423

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest273907

1862Very Wealthy MoleUral FU Championship 20112201108

1863Peaceful AtomUral FU Championship 2011253969

1864Get-Together at Den'sUral FU Championship 20111641154

1865The Island of MärketUral FU Championship 2011772930

1866Poetic FootUral FU Championship 2011373666

1867NanotechnologiesUral FU Championship 20111032256

1868Prediction ContestUral FU Championship 20111832138

1869New Year CruiseUral FU Championship 20111233205

1870Zinium 2Ural FU Championship 2011426585

1871Seismic WavesUral FU Championship 2011456547

1872Spacious OfficeUral FU Championship 2011354700

1873GOV ChroniclesUral Regional School Programming Contest 2011739340

1874Football GoalUral Regional School Programming Contest 20111468172

1875Angry BirdsUral Regional School Programming Contest 2011281874

1876Centipede's MorningUral Regional School Programming Contest 2011503150

1877Bicycle CodesUral Regional School Programming Contest 20111300020

1878Rubinchik's CubeUral Regional School Programming Contest 20111376183

1879GOV-internship 2Ural Regional School Programming Contest 20111931253

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011829031

1881Long problem statementUral Regional School Programming Contest 2011450656

1882Old NokiaUral Regional School Programming Contest 2011882595

1883Ent's BirthdayUral Regional School Programming Contest 20112291064

1884Way to the UniversityUral Regional School Programming Contest 2011416597

1885Passenger ComfortNEERC 2011 Eastern Subregional1279197

1886Trip 2NEERC 2011 Eastern Subregional1301812

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2201103

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional601415

1889Airport AnnouncementsNEERC 2011 Eastern Subregional934269

1890Money out of Thin AirNEERC 2011 Eastern Subregional552452

1891Language OceanNEERC 2011 Eastern Subregional417594

1892Morning in KoltsovoNEERC 2011 Eastern Subregional327753

1893A380NEERC 2011 Eastern Subregional465154

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1361738

1895Steaks on BoardNEERC 2011 Eastern Subregional1032246

1896War Games 2.1120986

1897Alice and Bob and a string73988

1900Brainwashing DeviceUral Championship 2012455484

1901Space ElevatorsUral Championship 2012508435

1902Neo-VeniceUral Championship 20122245100

1903Unidentified ShipsUral Championship 2012283769

1904The Lessons of the PastUral Championship 2012558397

1905Travel in TimeUral Championship 20122131010

1906The Lost CivilizationUral Championship 2012246626

1907Coffee and BunsUral Championship 20121911121

1908Brute-force SearchUral Championship 20121141817

1909Space ReconUral Championship 2012483884

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional682533

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional523625

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional247874

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1371529

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional464013

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1188188

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional722741

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1111200

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional266814

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1151798

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional371590

1921Chaos and OrderUral Regional School Programming Contest 20121941099

1922Superhero TeamUral Regional School Programming Contest 2012824269

1923Scary PoliticsUral Regional School Programming Contest 2012487451

1924Four ImpsUral Regional School Programming Contest 2012643435

1925British Scientists Save the WorldUral Regional School Programming Contest 2012361062

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012247872

1927Herbs and MagicUral Regional School Programming Contest 2012223962

1928Another Ecology ProblemUral Regional School Programming Contest 2012335650

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012699316

1930Ivan's CarUral Regional School Programming Contest 20121254177

1931Excellent TeamUral FU Championship 20121520146

1932The Secret of IdentifierUral FU Championship 2012259829

1933Guns for Battle!Ural FU Championship 2012642342

1934Black SpotUral FU Championship 2012706312

1935Tears of DrownedUral FU Championship 2012308772

1936RoshamboUral FU Championship 20122101014

1937Davy Jones’s OrganUral FU Championship 20121921104

1938Caribbean TriangleUral FU Championship 2012414373

1939First SealUral FU Championship 2012298724

1940Not So Simple YearsUral FU Championship 2012294734

1941Scary Martian WordUral FU Personal Contest 2012589365

1942Attack at the OrbitUral FU Personal Contest 2012394541

1943Space RummyUral FU Personal Contest 2012274770

1944Record of the Attack at the OrbitUral FU Personal Contest 20121099197

1945Many-armed BrothersUral FU Personal Contest 2012672839

1946Chinese Hockey 3Ural FU Personal Contest 20121321539

1947MeanderUral FU Personal Contest 20121431429

1948The Robot on the LineUral FU Personal Contest 20121881104

1949The Best Picture in the GalaxyUral FU Personal Contest 20121741188

1950Martian FarmlandsUral FU Personal Contest 20121141763

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211572

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1010296

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection862145

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection513376

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection642783

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection872123

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection503433

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection533269

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection222888

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection453445

1961Cantonese DialectUral FU Personal Contest 2013263752

1962In Chinese RestaurantUral FU Personal Contest 2013290685

1963KiteUral FU Personal Contest 2013461436

1964Chinese DialectsUral FU Personal Contest 20131404145

1965Pear TreesUral FU Personal Contest 20131881037

1966Cycling RoadsUral FU Personal Contest 2013319624

1967Programmer CasinoUral FU Personal Contest 2013334777

1968Glass PyramidUral FU Personal Contest 20131421351

1969Hong Kong TramUral FU Personal Contest 2013772361

1970皇后像廣場Ural FU Personal Contest 20131881037

1971Graphics SettingsUral Championship 2013348565

1972Game TestingUral Championship 2013642732

1973Location GeneratorUral Championship 2013314931

1974Similar TunesUral Championship 2013197977

1975Model of the EarthUral Championship 2013443744

1976Game OptimizationUral Championship 20131731105

1977Energy WallUral Championship 2013792271

1978E-LiteUral Championship 2013682592

1979Resources DistributionUral Championship 20131601189

1980Road to InvestorUral Championship 2013340578

1981Parallel and PerpendicularUral FU Championship 2013555347

1982Electrification PlanUral FU Championship 20131591123

1983Nectar GatheringUral FU Championship 20131401308

1984Dummy GuyUral FU Championship 20131139171

1985Prime SquareUral FU Championship 20131171545

1986Paul’s SaladsUral FU Championship 2013197948

1987Nested SegmentsUral FU Championship 2013974199

1988Planet Ocean LandingUral FU Championship 2013195957

1989SubpalindromesUral FU Championship 2013655295

1990PodracingNEERC 2013 Eastern Subregional229819

1991The battle near the swampNEERC 2013 Eastern Subregional440744

1992CVSNEERC 2013 Eastern Subregional565340

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1123173

1994The Emperor's planNEERC 2013 Eastern Subregional214874

1995Illegal spicesNEERC 2013 Eastern Subregional395483

1996Cipher Message 3NEERC 2013 Eastern Subregional1851003

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional425450

1998The old PadawanNEERC 2013 Eastern Subregional639302

1999The secret moduleNEERC 2013 Eastern Subregional265435

2000Grand Theft Array VUral Regional School Programming Contest 20131462132

2001Mathematicians and BerriesUral Regional School Programming Contest 2013874222

2002Test TaskUral Regional School Programming Contest 2013293166

2003Simple MagicUral Regional School Programming Contest 2013639300

2004Scientists from SpilkovoUral Regional School Programming Contest 2013304620

2005Taxi for ProgrammersUral Regional School Programming Contest 2013250877

2006Kirill the GardenerUral Regional School Programming Contest 2013483355

2007Mutants versus MachinesUral Regional School Programming Contest 20131191508

2008SwiftyUral Regional School Programming Contest 2013214869

2009Canteen LineUral Regional School Programming Contest 2013275683

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131744111

2011Long StatementUral Regional School Programming Contest 2013228285

2012About Grisha N.NEERC 2014 Eastern Subregional1003917

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional218742

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional360457

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional689242

2016Magic and ScienceNEERC 2014 Eastern Subregional166507

2017Best of a bad lotNEERC 2014 Eastern Subregional1471078

2018The Debut AlbumNEERC 2014 Eastern Subregional174197

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional740226

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1288130

2021Scarily interesting!NEERC 2014 Eastern Subregional469353

2022Riding a ToadNEERC 2014 Eastern Subregional472968

2023Donald is a postmanNEERC 2014 Eastern Subregional482035

2024Adventure TimeUral Regional School Programming Contest 2014622266

2025Line FightingUral Regional School Programming Contest 2014193686

2026Dean and ScheduleUral Regional School Programming Contest 2014352465

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014406404

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014241670

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014291559

2030Awesome Backup SystemUral Regional School Programming Contest 2014383428

2031Overturned NumbersUral Regional School Programming Contest 2014230473

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014259625

2033DevicesUral Regional School Programming Contest 2014168999

2034CaravansUral Regional School Programming Contest 2014620267

2035Another Dress RehearsalUral Regional School Programming Contest 2014254166

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1211272

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest159986

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest672164

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest195744

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest226706

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest741983

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest254760

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest333874

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest632282

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest330490

2046The First Day at SchoolUral Championship 2015379396

2047MathsUral Championship 2015369407

2048HistoryUral Championship 2015208707

2049ChemistryUral Championship 2015383211

20503D-modelingUral Championship 2015552371

2051PhysicsUral Championship 2015343503

2052Physical EducationUral Championship 20151201186

2053BiologyUral Championship 2015393146

2054AstronomyUral Championship 2015156165

2055Urban GeographyUral Championship 20151101285

2056ScholarshipUral Championship 2015316849

2057Non-palidromic cuttingPalindromic Contest 353314

2058100500 palidnromesPalindromic Contest 851570

2059Not common palindromesPalindromic Contest 1171174

2060Subpalindrome pairsPalindromic Contest 234611

2061OEIS A216264Palindromic Contest 363242

2062Ambitious ExperimentUral Regional School Programming Contest 2015394352

2063Black and WhiteUral Regional School Programming Contest 2015348397

2064CaterpillarsUral Regional School Programming Contest 2015179751

2065Different SumsUral Regional School Programming Contest 2015588237

2066Simple ExpressionUral Regional School Programming Contest 2015514528

2067Friends and BerriesUral Regional School Programming Contest 2015543257

2068Game of NutsUral Regional School Programming Contest 2015168384

2069Hard RockUral Regional School Programming Contest 2015837168

2070Interesting NumbersUral Regional School Programming Contest 2015701200

2071Juice CocktailsUral Regional School Programming Contest 2015271505

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015790178

2073Log FilesUral Regional School Programming Contest 2015796176

2074Timus problems classifierQualification of Eastern Subregional 2015173727

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015442463

2076VasianaQualification of Eastern Subregional 2015106649

2077ReductionsQualification of Eastern Subregional 2015155319

2078Bowling gameUral Championship 2016370330

2079Memory leaksUral Championship 2016223923

2080WalletUral Championship 2016201595

2081Faulty dialUral Championship 2016225534

2082PokerUral Championship 201686949

2083The Guardian of TraditionsUral Championship 2016392562

2084Technical debtUral Championship 2016362729

2085Magic ProgrammerUral Championship 2016791410

2086Find DenisUral Championship 2016184483

2087TrainsUral Championship 2016303138

2088Nostalgic EveningUral Championship 2016154973

2089Experienced coachUral Championship 2016159743

2090Crossroads of DestinyUral FU Personal Contest 2014194243

2091Natural SelectionUral FU Personal Contest 2014613198

2092BoleroUral FU Personal Contest 2014125912

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014921206

2094Thousand ImpsUral FU Personal Contest 2014145127

2095ScrumUral FU Personal Contest 2014557217

2096All InclusiveUral FU Personal Contest 2014372618

2097Snowboarding on SpilnayaUral FU Personal Contest 2014621709

2098Lada PrioraUral FU Personal Contest 2014514235

2099Space InvaderUral FU Personal Contest 2014223528

2100Wedding DinnerUral FU Junior Championship 2016386629

2101Knight's ShieldUral FU Junior Championship 2016661496

2102Michael and CryptographyUral FU Junior Championship 2016899125

2103Corporate MailUral FU Junior Championship 20161021015

2104Game with a StripUral FU Junior Championship 2016391284

2105Alice and Bob are on BikesUral FU Junior Championship 2016512218

2106DeserializationUral FU Junior Championship 2016142748

2107Oppa Funcan StyleUral FU Junior Championship 2016671477

2108Oleg and Little PoniesUral FU Junior Championship 2016320345

2109Tourism on MarsUral FU Junior Championship 2016278395

2110Remove or MaximizeUral FU Junior Championship 2016133795

2111PlatoUniversity academic school olympiad in informatics 201968279

2112Battle logUniversity academic school olympiad in informatics 201994525

2113Survive the floodUniversity academic school olympiad in informatics 2019152337

2114My craftUniversity academic school olympiad in informatics 201968700

2115The Knowledge DayUniversity academic school olympiad in informatics 2019299177

2116He is not a knight for youUniversity academic school olympiad in informatics 201989551

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019111451

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest122376

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest421005

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest261452

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest68670

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest102614

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest401046

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest251493

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest152091

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest311275

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest102614

2128Rubina's SolitaireLater is better than never53750

2129Mortgage in Far Away KingdomLater is better than never311153

2130Alice + BobLater is better than never58695

2131Open CupLater is better than never33636

2132Graph Decomposition. Version 2Later is better than never211525

2133Terms of referenceLater is better than never141969

2134StampmanLater is better than never321125

2135Pauline and commitsLater is better than never52762

2136John vs SantaLater is better than never241390

2137Dynamic string complexityLater is better than never53151

2138The Good, the Bad and the UglyUral School Programming Contest 2019292139

2139Experiment with JuiceUral School Programming Contest 201982324

2140BitMazeCraftUral School Programming Contest 201936909

2141Sasha VilkinUral School Programming Contest 2019142275

2142MagicUral School Programming Contest 2019218183

2143Victoria!Ural School Programming Contest 201956634

2144Cleaning the RoomUral School Programming Contest 2019137285

2145Olympiad for EveryoneUral School Programming Contest 2019115335

2146Quiz ShowUral School Programming Contest 201969529

2147City BuildingUral School Programming Contest 2019191442

2148Insane ShotUral School Programming Contest 201975492

2149Pigeonhole PrincipleUral School Programming Contest 2019218183