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Problem set


1000A+B Problem7155118

1001Reverse Root2041718

1002Phone NumbersCentral European Olympiad in Informatics 19995670212

1003ParityCentral European Olympiad in Informatics 19993089389

1004Sightseeing TripCentral European Olympiad in Informatics 19992154558

1005Stone PileUSU Championship 19971284794

1006Square FramesUSU Championship 19971371872

1007Code WordsUSU Championship 19973303364

1008Image EncodingUSTU PhysTech Cup 20003693325

1009K-based NumbersUSU Championship 19971222798

1010Discrete FunctionUSTU PhysTech Cup 20004666258

1011ConductorsUSU Championship 19975358224

1012K-based Numbers. Version 26937173

1013K-based Numbers. Version 3306299

1014Product of DigitsUSU Local Contest. 199911155108

1015Test the Difference!USU Local Contest. 19992988401

1016Cube on the WalkUSU Local Contest. 19991591750

1017StaircasesUSU Local Contest. 19997337164

1018Binary Apple TreeUSU Local Contest. 19994082294

1019Line PaintingUSU Local Contest. 19992734438

1020RopeAutumn School Contest 200011284106

1021Sacrament of the SumAutumn School Contest 20008579140

1022Genealogical TreeAutumn School Contest 20008797136

1023ButtonsAutumn School Contest 20005966201

1024PermutationsAutumn School Contest 20004089293

1025Democracy in DangerAutumn School Contest 20001676572

1026Questions and AnswersAutumn School Contest 20008269145

1027D++ AgainAutumn School Contest 20002143557

1028StarsUral Championship 19994457268

1029MinistryUral Championship 19993130333

1030TitanicUral Championship 19991476805

1031Railway TicketsUral Championship 19993380353

1032Find a MultipleUral Championship 19993595290

1033LabyrinthUral Championship 19995242228

1034Queens in Peaceful PositionsUral Championship 19991654719

1035Cross-stitchUral Championship 19999551237

1036Lucky Tickets3972300

1037Memory ManagementUSU Championship 20001592740

1038Spell CheckerUSU Championship 20002802422

1039Anniversary PartyUSU Championship 20003100381

1040Airline CompanyUSU Championship 20001201979

1041NikiforUSU Championship 20005612077

1042Central HeatingUSU Championship 20001488792

1043Cover an ArcUSU Championship 20007721516

1044Lucky Tickets. Easy!USU Championship 200010026118

1045Funny GameUSU Local Contest. March 20002236522

1046Geometrical DreamsUSU Local Contest. March 20006571757

1047Simple CalculationsUSU Local Contest. March 20004206278

1048Superlong SumsUSU Local Contest. March 20006368183

1049Brave BalloonistsUSU Local Contest. March 20004966236

1050Preparing an ArticleUSU Local Contest. March 20008741325

1051Simple Game on a GridUSU Local Contest. March 20002529461

1052Rabbit HuntUSU Local Contest. March 20005274222

1053PinocchioNEERC 2000 Central Subregional3937296

1054Hanoi TowerNEERC 2000 Central Subregional1879619

1055CombinationsNEERC 2000 Central Subregional3111375

1056Computer NetNEERC 2000 Central Subregional2259515

1057Amount of DegreesNEERC 2000 Central Subregional1636711

1058ChocolateNEERC 2000 Central Subregional3663103

1059ExpressionNEERC 2000 Central Subregional1982587

1060Flip GameNEERC 20003237342

1061Buffer ManagerNEERC 20001921574

1062TriathlonNEERC 20006391707

1063Domino PuzzleNEERC 20005312047

1064Binary SearchNEERC 20001935570

1065FrontierNEERC 20008231331

1066GarlandNEERC 20002161510

1067Disk TreeNEERC 20001859593


1069Prufer CodeUSU Personal Contest 20012042525

1070Local TimeUSU Personal Contest 20011811592

1071Nikifor 2USU Personal Contest 20011874572

1072RoutingUSU Personal Contest 20012289469

1073Square CountryUSU Personal Contest 20016753159

1074Very Short ProblemUSU Personal Contest 20015012110

1075Thread in a SpaceUSU Personal Contest 200110261041


1077Travelling Tours940411

1078SegmentsWinter Mathematical Festival Varna 20012810378

1079MaximumWinter Mathematical Festival Varna 20019243115

1080Map ColoringWinter Mathematical Festival Varna 20014103259

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014164256

1082Gaby IvanushkaSpring School Contest 20019207115

1083Factorials!!!Spring School Contest 20011388576

1084Goat in the GardenSpring School Contest 20017139148

1085MeetingSpring School Contest 20011849569

1086CryptographySpring School Contest 20018709121

1087The Time to Take StonesSpring School Contest 20013903270

1088Ilya MurometzSpring School Contest 20011578666

1089Verification with a VocabularySpring School Contest 20012444431

1090In the Army NowUSU Local Contest. March 20012838353

1091Tmutarakan ExamsUSU Local Contest. March 20012080481

1092TransversalUSU Local Contest. March 20014612134

1093DartsUSU Local Contest. March 20015321855

1094E-screenUSU Local Contest. March 20012463407

1095Nikifor 3USU Local Contest. March 20012010498

1096Get the Right Route Plate!USU Local Contest. March 20011529653

1097Square Country 2USU Local Contest. March 20017491324


1099Work Scheduling7101264

1100Final StandingsTetrahedron Team Online Contest May 2001744952

1101Robot in the FieldTetrahedron Team Online Contest May 2001706541

1102Strange DialogTetrahedron Team Online Contest May 20012105183

1103Pencils and CirclesTetrahedron Team Online Contest May 2001780490

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001394498

1105Observers ColoringTetrahedron Team Online Contest May 2001473802

1106Two TeamsTetrahedron Team Online Contest May 2001465683

1107Warehouse ProblemTetrahedron Team Online Contest May 2001931411

1108HeritageBulgarian Online Contest September 20011576246

1109ConferenceBulgarian Online Contest September 20011520255

1110PowerBulgarian Online Contest September 2001682457

1111SquaresBulgarian Online Contest September 2001973397

1112CoverBulgarian Online Contest September 20011933201

1113JeepBulgarian Online Contest September 20011549250

1114BoxesBulgarian Online Contest September 20012038190

1115ShipsBulgarian Online Contest September 2001981393

1116Piecewise Constant FunctionAutumn School Contest 20011238313

1117HierarchyAutumn School Contest 20011401276

1118Nontrivial NumbersAutumn School Contest 20013721105

1119MetroAutumn School Contest 2001444088

1120Sum of Sequential NumbersAutumn School Contest 2001455286

1121BranchesAutumn School Contest 20011187326

1122GameAutumn School Contest 20011642236

1123SalaryAutumn School Contest 20013111125

1124MosaicUSU Championship 20011246311

1125HopscotchUSU Championship 20011719226

1126Magnetic StormsUSU Championship 20013425114

1127Colored BricksUSU Championship 20011257308

1128Partition into GroupsUSU Championship 2001924418

1129Door PaintingUSU Championship 2001854452

1130Nikifor's WalkUSU Championship 2001383994

1131CopyingUSU Championship 2001554670

1132Square Root543707

1133Fibonacci SequenceNEERC 2001 Central Subregional2078187

1134CardsNEERC 2001 Central Subregional2165180

1135RecruitsNEERC 2001 Central Subregional2367164

1136ParliamentNEERC 2001 Central Subregional3748104

1137Bus RoutesNEERC 2001 Central Subregional1225316

1138Integer PercentageNEERC 2001 Central Subregional1954199

1139City BlocksNEERC 2001 Central Subregional475882

1140Swamp IncidentNEERC 2001 Central Subregional1083357

1141RSA Attack1027377

1142RelationsDSAP Vietnam Online Contest November 20012679145

1143Electric PathDSAP Vietnam Online Contest November 2001714540

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012121762

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001908426

1146Maximum SumDSAP Vietnam Online Contest November 2001410695

1147Shaping RegionsDSAP Vietnam Online Contest November 2001460832

1148Building TowersDSAP Vietnam Online Contest November 20011901955

1149Sinus Dances596366

1150Page NumbersUral Championship 2001. Round 21635238

1151RadiobeaconsUral Championship 2001. Round 23631049

1152False MirrorsUral Championship 2001. Round 21989196

1153SupercomputerUral Championship 2001. Round 21242313

1154Mages ContestUral Championship 2001. Round 2445860

1155TroubleduonsUral Championship 2001. Round 2825469

1156Two RoundsUral Championship 2001. Round 21129344

1157Young TilerUral Championship 2001. Round 22360165

1158Censored!NEERC 2001 Northern Subregional760508

1159FenceNEERC 2001 Northern Subregional516744

1160NetworkNEERC 2001 Northern Subregional1154343

1161StripiesNEERC 2001 Northern Subregional416494

1162Currency ExchangeNEERC 2001 Northern Subregional805480

1163ChapaevNEERC 2001 Northern Subregional1951910

1164FillwordNEERC 2001 Northern Subregional2023193

1165SubnumberNEERC 2001 Northern Subregional459835

1166Funny Card GameNEERC 2001 Northern Subregional1113352

1167Bicolored HorsesRomanian Online Contest December 20012509155

1168Radio StationsRomanian Online Contest December 2001555693

1169PairsRomanian Online Contest December 2001530725

1170DesertRomanian Online Contest December 20012581461

1171Lost in SpaceRomanian Online Contest December 20012881314

1172Ship RoutesRomanian Online Contest December 2001670576

1173Lazy SnailRomanian Online Contest December 20013641047

1174Weird PermutationsRomanian Online Contest December 2001597645

1175Strange SequenceUSU Personal Contest 2002422910

1176HyperchannelsUSU Personal Contest 20021033377

1177Like ComparisonsUSU Personal Contest 20022921301

1178Akbardin’s RoadsUSU Personal Contest 20022655147

1179Numbers in TextUSU Personal Contest 20021424274

1180Stone GameUSU Personal Contest 2002445288

1181Cutting a Painted PolygonUSU Personal Contest 2002906429

1182Team Them Up!NEERC 2001760511

1183Brackets SequenceNEERC 20011785219

1184Cable MasterNEERC 20011334293

1185WallNEERC 20011162336

1186Chemical ReactionsNEERC 2001581665

1187Statistical TroubleNEERC 20011881987

1188LibraryNEERC 20011792082

1189Pairs of IntegersNEERC 2001828469

1190Bar of ChocolateSpring School Contest 20021247313

1191Catch the thief!Spring School Contest 20021625241

1192Ball in a DreamSpring School Contest 20023436114

1193Queue at the ExamSpring School Contest 20022182179

1194HandshakesSpring School Contest 2002480982

1195Ouths and CrossesSpring School Contest 20021511259

1196History ExamSpring School Contest 2002614764

1197Lonesome KnightSpring School Contest 20021221232



1200Horns and HoofsUSU Local Contest. March 20021828214

1201Which Day Is It?USU Local Contest. March 20021156338

1202Rectangles TravelUSU Local Contest. March 2002903431

1203Scientific ConferenceUSU Local Contest. March 20023818103

1204IdempotentsUSU Local Contest. March 20021666235

1205By the Underground or by Foot?USU Local Contest. March 20021630240

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023212122

1207Median on the PlaneUSU Local Contest. March 20022090187

1208Legendary Teams ContestUSU Local Contest. March 20022012195

12091, 10, 100, 1000...Autumn School Contest 2002927643

1210Kind SpiritsAutumn School Contest 20022549156

1211Collective GuaranteeAutumn School Contest 20021433276

1212BattleshipAutumn School Contest 2002783502

1213Cockroaches!Autumn School Contest 20022328170

1214Strange ProcedureAutumn School Contest 20023875102

1215Exactness of Projectile HitAutumn School Contest 20021290306

1216Two Pawns and One KingUSU Championship 20021931963

1217Unlucky TicketsUSU Championship 2002998395

1218Episode N-th: The Jedi TournamentUSU Championship 20021164339

1219Symbolic SequenceUSU Championship 20023297120

1220StacksUSU Championship 20021458271

1221Malevich Strikes Back!USU Championship 2002950415

1222Chernobyl’ EaglesUSU Championship 20022810141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021142346

1224SpiralNEERC 2002 Central Subregional551072

1225FlagsNEERC 2002 Central Subregional886545

1226esreveR redrONEERC 2002 Central Subregional3407117

1227Rally ChampionshipNEERC 2002 Central Subregional1245318

1228ArrayNEERC 2002 Central Subregional3775105

1229Strong BrickworkNEERC 2002 Central Subregional1031383

1230Introspective ProgramNEERC 2002 Central Subregional552709

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1852044

1232Asteroid LandingNEERC 2002 Central Subregional1772131

1233Amusing NumbersNEERC 2002434899

1234BricksNEERC 2002604650

1235Cricket FieldNEERC 2002519755

1236Decoding TaskNEERC 2002814485

1237Evacuation PlanNEERC 2002434901

1238FoldingNEERC 2002843469

1239Ghost BustersNEERC 20021392680

1240Heroes of Might and MagicNEERC 20022811372

1241Inlay CuttersNEERC 20022461562

1242WerewolfUSU Personal Contest 20031737230

1243Divorce of the Seven DwarfsUSU Personal Contest 2003714356

1244GentlemenUSU Personal Contest 20031415281

1245PicturesUSU Personal Contest 2003437897

1246Tethered DogUSU Personal Contest 20031110358

1247Check a SequenceUSU Personal Contest 20031627245

1248Sequence SumUSU Personal Contest 2003615642

1249Ancient NecropolisUSU Local Contest. March 20031900210

1250Sea BurialUSU Local Contest. March 2003561703

1251Cemetery ManagerUSU Local Contest. March 20032531526

1252Sorting the TombstonesUSU Local Contest. March 2003964412

1253NecrologuesUSU Local Contest. March 2003603655

1254Die HardUSU Local Contest. March 2003612645

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031499266

1256Cemetery GuardUSU Local Contest. March 20031652293

1257HyphenationAutumn School Contest 20032301690

1258PoolAutumn School Contest 2003922435

1259How to Become Star?Autumn School Contest 20031050383

1260Nudnik PhotographerAutumn School Contest 20033194127

1261TipsAutumn School Contest 20031128356

1262Pseudo-Roman NumberAutumn School Contest 20031119359

1263ElectionsAutumn School Contest 2003837348

1264WorkdaysAutumn School Contest 20031358630

1265MirrorUSU Championship 20032731434

1266Kirchhoff's LawUSU Championship 20032721439

1267Yekaterinburg SubwayUSU Championship 20031872060

1268Little ChuUSU Championship 2003492808

1269Obscene Words FilterUSU Championship 2003483823

1270UnicubeUSU Championship 20031682280

1271Sailing DirectionsUSU Championship 2003824411

1272Non-Yekaterinburg SubwayUSU Championship 20032358171

1273TieUSU Championship 2003836480

1274Fractional ArithmeticNEERC 2003 Central Subregional572698

1275Knights of the Round TableNEERC 2003 Central Subregional1512522

1276TrainNEERC 2003 Central Subregional490812

1277Cops and ThievesNEERC 2003 Central Subregional460864

1278“… Connecting People”NEERC 2003 Central Subregional415955

1279WarehouseNEERC 2003 Central Subregional1037388

1280Topological SortingNEERC 2003 Central Subregional2446165

1281River BasinNEERC 2003 Central Subregional2911349

1282Game TreeNEERC 2003 Central Subregional1140353

1283DwarfUSU Personal Contest 20043173128

1284Space PokerUSU Personal Contest 20041682293

1285Thread in a HyperspaceUSU Personal Contest 2004430928

1286Starship TravelUSU Personal Contest 2004592678

1287Mars CanalsUSU Personal Contest 20041015398

1288AstrolocationUSU Personal Contest 20041872072

1289One Way TicketUSU Personal Contest 20041039389

1290SabotageSpring School Contest 2004487684

1291Gear-wheelsSpring School Contest 2004969417

1292Mars Space StationsSpring School Contest 20041115363

1293EniyaSpring School Contest 20041957621

1294Mars SatellitesSpring School Contest 20041274318

1295Crazy NotionsSpring School Contest 20042528161

1296HyperjumpSpring School Contest 20043751109

1297PalindromeSpring School Contest 2004437393

1298KnightSpring School Contest 20041592255

1299PsyloniansSpring School Contest 20042771423

1300TaxesUral Championship 19981472603

1301Cube in LabyrinthUral Championship 1998563713

1302Delta-waveUral Championship 19981241327

1303Minimal CoverageUral Championship 19981690240

1304ParallelepipedUral Championship 19982131833

1305Convex HullUral Championship 1998568707

1306Sequence MedianUral Championship 19982565159

1307ArchiverUral Championship 2004. Round 13271214

1308Dean's PyramidUral Championship 2004. Round 11472605

1309DisputeUral Championship 2004. Round 1660611

1310ACM DiagnosticsUral Championship 2004. Round 13231228

1311Stable ConstructionUral Championship 2004. Round 13831041

1312TrayUral Championship 2004. Round 11432674

1313Some Words about SportUral Championship 2004. Round 1994541

1314Chase in SubwayUral Championship 2004. Round 1756534

1315MDPAR and MIIARUral Championship 2004. Round 11932015

1316Electronic AuctionUral Championship 2004. Round 1835484

1317HailUral Championship 2004. Round 23661088

1318LogarithmUral Championship 2004. Round 22861382

1319HotelUral Championship 2004. Round 2924944

1320Graph DecompositionUral Championship 2004. Round 21246326

1321Floor IndicatorUral Championship 2004. Round 23101278

1322SpyUral Championship 2004. Round 2811498

1323ClassmatesUral Championship 2004. Round 2502799

1324Extra SpacesUral Championship 2004. Round 2446897

1325DirtUral Championship 2004. Round 2665606

1326Bottle TapsUral Championship 2004. Round 2842480

1327FusesAutumn School Contest 2004773353

1328FireballAutumn School Contest 20043011326

1329Galactic HistoryAutumn School Contest 2004849480

1330IntervalsAutumn School Contest 20043741110

1331VladislavaAutumn School Contest 2004404996

1332Genie BomberAutumn School Contest 2004643631

1333Genie Bomber 2Autumn School Contest 20041794229

1334CheckersAutumn School Contest 2004774526

1335White ThesisAutumn School Contest 20042312178

1336Problem of Ben BetsalelAutumn School Contest 20043214128

1337BureaucracyAutumn School Contest 20042511580

1338AutomobilesUSU Championship 20042311720

1339BabiesUSU Championship 2004422959

1340CucarachaUSU Championship 2004814554

1341DeviceUSU Championship 20043671099

1342EnterpriseUSU Championship 2004469865

1343Fairy TaleUSU Championship 20041014405

1344Gigantic TurnipUSU Championship 2004824504

1345HTMLUSU Championship 20042791434

1346Intervals of MonotonicityUSU Championship 20041198343

1347BlogSpring School Contest 20052751456

1348Goat in the Garden 2Spring School Contest 20052027204

1349FarmSpring School Contest 2005715658

1350CanteenSpring School Contest 20051006408

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005741552

1352Mersenne PrimesSpring School Contest 20053031136

1353Milliard Vasya's FunctionSpring School Contest 20053403122

1354Palindrome. Again PalindromeSpring School Contest 20052462168

1355Bald Spot RevisitedSpring School Contest 20051730238

1356Something EasierSpring School Contest 20051080381

1357Teakettle 1.0 for DummiesSpring School Contest 20053441172

1358CablesSpring School Contest 2005683599

1359ConstructionSpring School Contest 20053331209

1360Philosophical DisputeUral Championship 2005. Round 23041323

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21762233

1362Classmates 2Ural Championship 2005. Round 2750546

1363HalftonesUral Championship 2005. Round 2526699

1364LaraKillerUral Championship 2005. Round 2438927

1365Testing CalculatorUral Championship 2005. Round 2705192

1366PresentsUral Championship 2005. Round 2774530

1367Top SecretUral Championship 2005. Round 21253077

1368Goat in the Garden 3Ural Championship 2005. Round 21682333

1369Cockroach RaceUral Championship 2005. Round 21516613

1370MagicianUral Championship 2005. Round 2417699

1371Cargo AgencyUral Championship 2005. Round 1627655

1372Death StarUral Championship 2005. Round 1655559

1373Pictura ex MachinaUral Championship 2005. Round 1473863

1374MisereUral Championship 2005. Round 12711268

1375Bill CleversUral Championship 2005. Round 1725567

1376Dean's Pyramid 2Ural Championship 2005. Round 1378871

1377Lara CroftUral Championship 2005. Round 11413293

1378Artificial IntelligenceUral Championship 2005. Round 12301737

1379Cups TransportationUral Championship 2005. Round 1501816

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest963934

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1123418

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest1942044

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest2213032

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest675416

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest1696244

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest3461171

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest2501604

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest1318131

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest537762

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest2910693

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest715148

1392Dreaming of Stars526778

1393Average Common Prefix3071299

1394Ships. Version 2527803

1395Pascal vs. C++. Version 21232953

1396Maximum. Version 21842017

1397Points Game1722060

1398Bishop and Pawn369959

1399Economical Director2311003

1400Cellular CharactersAutumn School Contest 2005752547

1401GamersAutumn School Contest 2005849485

1402CocktailsAutumn School Contest 20052944141

1403CourierAutumn School Contest 20051105374

1404Easy to Hack!Autumn School Contest 2005488985

1405Goat in the Garden 5Autumn School Contest 2005559733

1406Next NumberAutumn School Contest 20051221339

1407One-two, One-twoAutumn School Contest 20051039397

1408Polynomial MultiplicationAutumn School Contest 20053431181

1409Two GangstersAutumn School Contest 20051882122

1410CrackUSU Championship 2005911451

141140 Islands KnightsUSU Championship 20051263053

1412Autumn TideUSU Championship 20052721472

1413Mars JumperUSU Championship 20052321178

1414Astronomical DatabaseUSU Championship 2005780526

1415Mobile LifeUSU Championship 20052611528

1416ConfidentialUSU Championship 2005951432

1417Space Poker 2USU Championship 20052121870

1418Military StoryUSU Championship 2005411986

1419Maps of the Island WorldsUSU Championship 20052831417

1420Integer-Valued Complex DivisionUSU Championship 20052301730

1421Credit OperationsTimus Top Coders: First Challenge690574

1422FirefliesTimus Top Coders: First Challenge417942

1423String TaleTimus Top Coders: First Challenge2026197

1424MinibusTimus Top Coders: First Challenge510773

1425Queen 2Timus Top Coders: First Challenge2071853

1426RectanglesTimus Top Coders: First Challenge695089

1427SMSTimus Top Coders: First Challenge1003397

1428Jedi RiddleTimus Top Coders: First Challenge823483

1429BiscuitsTimus Top Coders: First Challenge1143242

1430Crime and PunishmentTimus Top Coders: First Challenge800496

1431DiplomasUSU Personal Contest 20061129351

1432Twofold LuckUSU Personal Contest 2006398170

1433DiamondsUSU Personal Contest 20061568254

1434Buses in VasyukiUSU Personal Contest 20063481118

1435Financial ErrorUSU Personal Contest 2006403969

1436BillboardUSU Personal Contest 2006466841

1437Gasoline StationUSU Personal Contest 2006704561

1438Time Limit ExceededUSU Personal Contest 20061173152

1439Battle with You-Know-WhoUral Championship 2006761515

1440Training ScheduleUral Championship 2006556701

1441From the History of Gringotts BankUral Championship 20062671432

1442Floo PowderUral Championship 20061163149

1443RailsUral Championship 2006573681

1444ElephpotamusUral Championship 20063411130

1445Christmas giftsUral Championship 2006651600

1446Sorting HatUral Championship 2006408597

1447Portkey NetworkUral Championship 20063401134

1448Lighting in HogwartsUral Championship 2006695563

1449Credit Operations 2Timus Top Coders: Second Challenge2661426

1450Russian PipelinesTimus Top Coders: Second Challenge1158337

1451Beerhouse TaleTimus Top Coders: Second Challenge388989

1452Pascal vs. C++Timus Top Coders: Second Challenge596649

1453QueenTimus Top Coders: Second Challenge3151211

1454Rectangles 2Timus Top Coders: Second Challenge1412606

1455Freedom of SpeechTimus Top Coders: Second Challenge1931938

1456Jedi Riddle 2Timus Top Coders: Second Challenge476810

1457Heating MainTimus Top Coders: Second Challenge551771

1458War GamesTimus Top Coders: Second Challenge3241178

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2051767

1460WiresPetrozavodsk Winter 2006. USU Contest774367

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest3621021

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest429865

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest515724

1464LightPetrozavodsk Winter 2006. USU Contest1212900

1465Pawn GamePetrozavodsk Winter 2006. USU Contest661566

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1023392

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest2991230

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest450815

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest2821284

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1298287

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest1390268

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest3121164

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest654998

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest519709

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest724571

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest2361524

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1242797

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest804165

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest535949

1480CouponsUSU Championship 2006869425

1481Winning ChancesUSU Championship 20061502333

1482Triangle GameUSU Championship 20061172939

1483Table FootballUSU Championship 20061027360

1484Film RatingUSU Championship 2006498735

1485Football and LieUSU Championship 20062201623

1486Equal SquaresUSU Championship 2006539680

1487Chinese FootballUSU Championship 20062861261

1488ACM PokerUSU Championship 20062271575

1489Points on a ParallelepipedAutumn School Contest 2006929397

1490Fire CircleAutumn School Contest 20061715216

1491Unreal StoryAutumn School Contest 20061658223

1492Vasya's Dad 2Autumn School Contest 20061911853

1493One Step from HappinessAutumn School Contest 2006661556

1494MonobilliardsAutumn School Contest 20061768209

1495One-two, One-two 2Autumn School Contest 2006989373

1496SpammerAutumn School Contest 2006617660

1497Cutting a SquareAutumn School Contest 20061241298

1498Stroke at Full SpeedAutumn School Contest 2006414878

1499KerchiefsAutumn School Contest 20062611374

1500Pass LicensesNEERC 2006 Eastern Subregional537678

1501Sense of BeautyNEERC 2006 Eastern Subregional1265291

1502Domino DotsNEERC 2006 Eastern Subregional460880

1503PolynomialNEERC 2006 Eastern Subregional1841911

1504Good MannersNEERC 2006 Eastern Subregional1582207

1505Oil TransferNEERC 2006 Eastern Subregional1192874

1506Columns of NumbersNEERC 2006 Eastern Subregional2202168

1507Difficult DecisionNEERC 2006 Eastern Subregional868422

1508Japanese PuzzleNEERC 2006 Eastern Subregional2011757

1509Domino RecognitionNEERC 2006 Eastern Subregional953532

1510OrderNEERC 2006 Eastern Subregional395294

1511Fiscal OperationsTimus Top Coders: Third Challenge3051159

1512ZiniumTimus Top Coders: Third Challenge456783

1513Lemon TaleTimus Top Coders: Third Challenge852424

1514National ParkTimus Top Coders: Third Challenge1931798

1515CashmasterTimus Top Coders: Third Challenge1657219

1516NostalgiaTimus Top Coders: Third Challenge2001738

1517Freedom of ChoiceTimus Top Coders: Third Challenge1076336

1518Jedi Riddle 3Timus Top Coders: Third Challenge3401043

1519Formula 1Timus Top Coders: Third Challenge842428

1520Empire Strikes BackTimus Top Coders: Third Challenge1332553

1521War Games 2Timus Top Coders: Third Challenge1110326

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest1861825

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest964367

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest1713246

1525PathPetrozavodsk Winter 2007. D.Gozman Contest727485

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2391436

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2521365

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1375258

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest764159

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest388899

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2631310

1532Lost in TranslationUSU Personal Contest 20071741936

1533Fat HobbitsUSU Personal Contest 20072851207

1534Football in GondorUSU Personal Contest 2007633554

1535The Hobbit or There and Back AgainUSU Personal Contest 2007757464

1536Delights of Pipe-weedUSU Personal Contest 2007387420

1537EntsUSU Personal Contest 20071259281

1538Towers of GuardUSU Personal Contest 20072701272

1539Intelligence DataUSU Personal Contest 20073371026

1540Battle for the RingUSU Personal Contest 20073051131

1541ChaseUSU Personal Contest 20071602095

1542AutocompletionUral Championship 2007536642

1543Dance RevolutionUral Championship 20071512177

1544Classmates 3Ural Championship 20072881176

1545HieroglyphsUral Championship 2007572961

1546Japanese SortingUral Championship 20072671266

1547Password SearchUral Championship 2007418819

1548Sakura and StatisticsUral Championship 2007819476

1549Another Japanese PuzzleUral Championship 20071542138

1550Dean's Pyramid 3Ural Championship 2007594580

1551Sumo TournamentUral Championship 20071157300

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2561253

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest635517

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest534613

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest1712342

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest269257

1557Network AttackPetrozavodsk Summer 2007. NSU Contest1791763

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest416782

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest813662

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest3211007

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1202563

1562GM-pineappleUSU Championship 2007832394

1563BayanUSU Championship 2007484068

1564Counting OnesUSU Championship 2007485670

1565The Duel for ThreeUSU Championship 20071941626

1566Triangular PostcardsUSU Championship 20071092787

1567SMS-spamUSU Championship 2007752844

1568Train Car SortingUSU Championship 20071961610

1569Networking the “Iset”USU Championship 2007323996

1570Eating HighUSU Championship 20073071046

1571InterpretersUSU Championship 2007778421

1572Yekaterinozavodsk Great WellAutumn School Contest 20072155153

1573AlchemyAutumn School Contest 20073025109

1574Mathematicians and bracketsAutumn School Contest 2007895366

1575Yekaterinburg Subway 2Autumn School Contest 2007343937

1576Telephone TariffsAutumn School Contest 20072237147

1577E-mailAutumn School Contest 2007633515

1578Mammoth HuntAutumn School Contest 2007365882

1579Coat TransportationAutumn School Contest 2007656497

1580Dean's DebtsAutumn School Contest 2007354909

1581TeamworkAutumn School Contest 2007730545

1582BookmakersNEERC 2007 Eastern Subregional2805117

1583CheeseNEERC 2007 Eastern Subregional1851689

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2531252

1585PenguinsNEERC 2007 Eastern Subregional671549

1586Threeprime NumbersNEERC 2007 Eastern Subregional1876175

1587Flying PigNEERC 2007 Eastern Subregional402799

1588JamaicaNEERC 2007 Eastern Subregional1020320

1589SokobanNEERC 2007 Eastern Subregional423525

1590Bacon’s CipherNEERC 2007 Eastern Subregional1268258

1591Abstract ThinkingNEERC 2007 Eastern Subregional3171007

1592Chinese WatchesNEERC 2007 Eastern Subregional551587

1593Square Country. Version 2355767

1594Aztec Treasure474702

1595Perfect Sequence2111211

1596Knight Mare147161

1597Chernobyl’ Eagle on a Roof. Version 2203183

1598DSA Attack153736

1599Winding Number162436

1600AirportUSU Personal Contest 2008587529

1601AntiCAPSUSU Personal Contest 2008341292

1602ElevatorUSU Personal Contest 2008752414

1603EruditeUSU Personal Contest 20081262248

1604Country of FoolsUSU Personal Contest 2008930336

1605Devil's SequenceUSU Personal Contest 2008557557

1606SlalomUSU Personal Contest 2008473653

1607TaxiUSU Personal Contest 2008539658

1608Lucky Tickets 2008Ural Championship 2008341890

1609Tram TileUral Championship 20081042741

1610CactusesUral Championship 20081671765

1611DecimationUral Championship 2008428713

1612Tram ForumUral Championship 20082157144

1613For Fans of StatisticsUral Championship 20081855168

1614National Project “Trams”Ural Championship 2008405753

1615Tram SolitaireUral Championship 20081581860

1616Square Country 4Ural Championship 2008783551

1617Flat SpotsUral Championship 2008457568

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest455411

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest470620

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2061378

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest475221

1622EndspielPetrozavodsk Winter 2008. ITMO Contest823235

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest843166

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest356613

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest307939

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest268266

1627JoinPetrozavodsk Winter 2008. ITMO Contest2521136

1628White StreaksUSU Championship 2008585490

1629TripUSU Championship 2008398715

1630TalismanUSU Championship 2008318890

1631Drunk King 2USU Championship 2008731394

1632LasersUSU Championship 2008703648

1633HippogriffsUSU Championship 2008408698

1634Spider MiteUSU Championship 20081371985

1635Mnemonics and PalindromesUSU Championship 20081310221

1636Penalty TimeUSU Championship 2008461063

1637Triangle Game 2USU Championship 2008922861

1638BookwormUSU Championship 2008346684

1639Chocolate 2Autumn School Contest 2008804136

1640Circle of WinterAutumn School Contest 20081641176

1641DutiesAutumn School Contest 2008647442

16421D MazeAutumn School Contest 2008302596

1643Attack of the Dark FortressAutumn School Contest 2008635450

1644A Whole Lot of WalnutsAutumn School Contest 2008295898

1645Ski RaceAutumn School Contest 20081506192

1646Godzilla Strikes Back!Autumn School Contest 2008362781

1647Divide an Island!Autumn School Contest 2008360785

1648YachtsAutumn School Contest 2008834344

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional366296

1650BillionairesNEERC 2008 Eastern Subregional492577

1651Shortest SubchainNEERC 2008 Eastern Subregional806355

1652Banking CrisisNEERC 2008 Eastern Subregional1162299

1653Death ConveyorNEERC 2008 Eastern Subregional317064

1654Cipher MessageNEERC 2008 Eastern Subregional435766

1655Somali PiratesNEERC 2008 Eastern Subregional1152317

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1518190

1657Cube SnakeNEERC 2008 Eastern Subregional2131299

1658Sum of DigitsNEERC 2008 Eastern Subregional1078266

1659Regular TrianglesNEERC 2008 Eastern Subregional468606

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest366186

1661DodecahedronPetrozavodsk Winter 2008. USU Contest574247

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest554377

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest892874

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1272077

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest698402

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2371152

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1341976

1668Death Star 2Petrozavodsk Winter 2008. USU Contest356323

1669Universal WordPetrozavodsk Winter 2008. USU Contest2121282

1670AsteriskPetrozavodsk Summer 2008. USU Contest1551711

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest1600175

1672Droid fliesPetrozavodsk Summer 2008. USU Contest1610860

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest1451822

1674Drunk KingPetrozavodsk Summer 2008. USU Contest336566

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest1331975

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1611651

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest1381908

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest219108

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest2601046

1680The First NonqualifyingUSU Personal Contest 20091392198

1681Brother Bear's GardenUSU Personal Contest 2009823014

1682Crazy ProfessorUSU Personal Contest 2009468580

1683FridgeUSU Personal Contest 20092138129

1684Jack's Last WordUSU Personal Contest 20091016270

1685OrthographyUSU Personal Contest 20091544178

1686Photovoltaic SpaceshipUSU Personal Contest 20092061284

1687Numismatics for FunUSU Personal Contest 20092431096

1688Team.GOV!USU Personal Contest 20092133129

1689Fisherman and BarbellUSU Personal Contest 2009336802

1690Army of MagesPetrozavodsk Winter 2009. USU Contest446605

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest773171

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest824331

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest1511036

1694Killer WordsPetrozavodsk Winter 2009. USU Contest862874

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest902759

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest290920

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest474840

1698Square Country 5Petrozavodsk Winter 2009. USU Contest481562

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2341131

1700AwakeningUral Championship 2009633426

1701Ostap and PartnersUral Championship 2009444603

1702CrossroadUral Championship 20091411813

1703Robotic ArmUral Championship 20091242043

1704DemodulationUral Championship 2009942632

1705Gangster HaresUral Championship 2009318835

1706Cipher Message 2Ural Championship 2009452593

1707Hypnotoad's SecretUral Championship 20091551659

1708Sum of Digits 2Ural Championship 20091212440

1709Penguin-AviaUral Championship 20091705160

1710Boris, You Are Wrong!Ural Championship 2009474566

1711Code NamesNEERC 2009 Eastern Subregional2088121

1712Cipher GrilleNEERC 2009 Eastern Subregional328477

1713Key SubstringsNEERC 2009 Eastern Subregional435572

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional872626

1715Another Ball KillerNEERC 2009 Eastern Subregional285864

1716Alternative SolutionNEERC 2009 Eastern Subregional312791

1717Eligibility RulesNEERC 2009 Eastern Subregional952426

1718RejudgeNEERC 2009 Eastern Subregional978258

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional1901274

1720Summit Online JudgeNEERC 2009 Eastern Subregional298827

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional495504

1722Observation DeckUral Regional School Programming Contest 20092271072

1723Sandro's BookUral Regional School Programming Contest 2009375667

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009377656

1725Sold Out!Ural Regional School Programming Contest 20091906133

1726VisitsUral Regional School Programming Contest 2009913275

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091426177

1728Curse on Team.GOVUral Regional School Programming Contest 2009539463

1729Dead Man's ChestUral Regional School Programming Contest 2009481517

1730ManBearPigUral Regional School Programming Contest 2009255959

1731DillUral Regional School Programming Contest 2009257898

1732Ministry of TruthUSU Championship 2009602413

1733Forgotten TechnologyUSU Championship 2009603608

1734Endgame DatabaseUSU Championship 20091381707

1735Theft of the CenturyUSU Championship 2009942429

1736Chinese HockeyUSU Championship 20092011197

1737Mnemonics and Palindromes 3USU Championship 20091112225

1738Computer SecurityUSU Championship 2009303807

1739FaryuksUSU Championship 2009922476

1740Deer is Better!USU Championship 20091750144

1741Communication FiendUSU Championship 2009891280

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest825293

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest260905

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1191895

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest256919

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest1581455

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest1971181

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest868278

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1351685

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2131096

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest693094

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest622387

1753BookshelfUSU Personal Contest 2010812292

1754Explosion in a PyramidUSU Personal Contest 2010452519

1755CakeUSU Personal Contest 2010339687

1756One and a Half DiggersUSU Personal Contest 20101506158

1757Gold BarsUSU Personal Contest 20101181872

1758Bald Spot Revisited 2USU Personal Contest 2010912372

1759Long-LiversUSU Personal Contest 2010619381

1760Infernal WorkUSU Personal Contest 2010419559

1761Binary PalindromeUSU Personal Contest 2010250922

1762Search for a Hiding-PlaceUSU Personal Contest 20101611401

1763Expert FleaUral Championship 2010384933

1764TranssibUral Championship 20101371611

1765Error 404Ural Championship 2010543700

1766Humpty DumptyUral Championship 20101851214

1767The House of Doctor DeeUral Championship 2010381606

1768Circular StringsUral Championship 20102201030

1769Old Ural LegendUral Championship 20101337176

1770The Party of Ural ChampionsUral Championship 20101481499

1771A Deputy's MorningUral Championship 2010384933

1772Ski-Trails for RobotsUral Championship 2010330696

1773Metro to Every HomeUral Championship 2010328701

1774Barber of the Army of MagesUral SU Championship 2010538400

1775Space BowlingUral SU Championship 2010285744

1776Anniversary FireworkUral SU Championship 2010484444

1777AnindilyakwaUral SU Championship 20102025108

1778Chinese Hockey 2Ural SU Championship 2010463919

1779The Great TeamUral SU Championship 2010818265

1780Gray CodeUral SU Championship 2010293724

1781Clean CodeUral SU Championship 20101011977

1782Jack's New WordUral SU Championship 20101231650

1783Nuclear Arms RaceUral SU Championship 2010567380

1784RoundersUral SU Championship 2010216971

1785Lost in LocalizationUral Regional School Programming Contest 20101183218

1786Sandro's BiographyUral Regional School Programming Contest 2010221199

1787Turn for MEGAUral Regional School Programming Contest 2010746329

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20101545141

1789Searching for the DodecahedronUral Regional School Programming Contest 20101187183

1790Searching for the TruthUral Regional School Programming Contest 20101911088

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102001042

1792Hamming CodeUral Regional School Programming Contest 2010289975

1793Tray 2Ural Regional School Programming Contest 2010674320

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101269171

1795Husband in a ShopUral Regional School Programming Contest 2010945229

1796Amusement ParkUral Regional School Programming Contest 2010230195

1797Summit Online Judge. Version 2214978

1798Fire Circle. Version 2152703

1799Sasha and swag strings34855

1800Murphy's LawNEERC 2010 Eastern Subregional1211178

1801The Revolution CupNEERC 2010 Eastern Subregional335057

1802Cube PuzzleNEERC 2010 Eastern Subregional1331521

1803The Czechs' RiflesNEERC 2010 Eastern Subregional375565

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional697308

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional274766

1806Mobile TelegraphsNEERC 2010 Eastern Subregional366578

1807Cartridges for MaximNEERC 2010 Eastern Subregional1661236

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1441412

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional453470

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest543263

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest1681173

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest872153

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1631207

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest662747

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest523368

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1011881

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest236849

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1221582

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest216736

1820Ural SteaksUSU Personal Contest 2011752927

1821BiathlonUSU Personal Contest 20111363149

1822Hugo II's WarUSU Personal Contest 2011352564

1823Ideal GasUSU Personal Contest 2011754267

1824Ifrit BomberUSU Personal Contest 2011226866

1825Ifrit Bomber 2USU Personal Contest 2011270730

1826MinefieldUSU Personal Contest 2011843240

1827Indigenous WarsUSU Personal Contest 2011208937

1828Approximation by a ProgressionUSU Personal Contest 2011551364

1829Routing TablesUSU Personal Contest 2011732462

1830Help in the RNOSUral Championship 2011269718

1831Tsyfirkin's LessonUral Championship 20111041758

1832Arirang ShowUral Championship 2011273708

1833Hopes of RowingUral Championship 2011792252

1834Tennis RacketUral Championship 2011513286

1835Swamp DoctorUral Championship 2011742386

1836Babel FishUral Championship 2011209915

1837Isenbaev's NumberUral Championship 2011316263

1838Samurai's StrokeUral Championship 2011350557

1839The MentaculusUral Championship 2011902004

1840Victim of AdvertisingUral Championship 2011138714

1841CablewaysPetrozavodsk Summer 2010. USU Contest991720

1842Local RootsPetrozavodsk Summer 2010. USU Contest216048

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest572798

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1511165

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest433537

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1055176

1847ZamkadyePetrozavodsk Summer 2010. USU Contest403750

1848Fly HuntPetrozavodsk Summer 2010. USU Contest235682

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest991720

1850Space TourismPetrozavodsk Summer 2010. USU Contest752206

1851GOV-internshipPetrozavodsk Summer 2011. USU Contest1121532

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. USU Contest911851

1853Laser TechnologiesPetrozavodsk Summer 2011. USU Contest235664

1854Negotiations with ParthiansPetrozavodsk Summer 2011. USU Contest487376

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. USU Contest1541140

1856War and PeacePetrozavodsk Summer 2011. USU Contest532967

1857Alice and BandersnatchPetrozavodsk Summer 2011. USU Contest179989

1858Magic CubePetrozavodsk Summer 2011. USU Contest503116

1859Last Season of Team.GOVPetrozavodsk Summer 2011. USU Contest582749

1860FiborialPetrozavodsk Summer 2011. USU Contest458399

1861Graveyard in DeyjaPetrozavodsk Summer 2011. USU Contest283638

1862Very Wealthy MoleUral FU Championship 20111651057

1863Peaceful AtomUral FU Championship 2011188935

1864Get-Together at Den'sUral FU Championship 20111246147

1865The Island of MärketUral FU Championship 2011592682

1866Poetic FootUral FU Championship 2011289619

1867NanotechnologiesUral FU Championship 2011802056

1868Prediction ContestUral FU Championship 20111397132

1869New Year CruiseUral FU Championship 2011978187

1870Zinium 2Ural FU Championship 2011354508

1871Seismic WavesUral FU Championship 2011352511

1872Spacious OfficeUral FU Championship 2011257693

1873GOV ChroniclesUral Regional School Programming Contest 20111699108

1874Football GoalUral Regional School Programming Contest 20111094167

1875Angry BirdsUral Regional School Programming Contest 2011237747

1876Centipede's MorningUral Regional School Programming Contest 2011357751

1877Bicycle CodesUral Regional School Programming Contest 2011818822

1878Rubinchik's CubeUral Regional School Programming Contest 20111100166

1879GOV-internship 2Ural Regional School Programming Contest 20111651054

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011570032

1881Long problem statementUral Regional School Programming Contest 2011336455

1882Old NokiaUral Regional School Programming Contest 2011672395

1883Ent's BirthdayUral Regional School Programming Contest 2011186941

1884Way to the UniversityUral Regional School Programming Contest 2011369487

1885Passenger ComfortNEERC 2011 Eastern Subregional924197

1886Trip 2NEERC 2011 Eastern Subregional1111519

1887Frequent Flyer CardNEERC 2011 Eastern Subregional181962

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional479376

1889Airport AnnouncementsNEERC 2011 Eastern Subregional770236

1890Money out of Thin AirNEERC 2011 Eastern Subregional402446

1891Language OceanNEERC 2011 Eastern Subregional355503

1892Morning in KoltsovoNEERC 2011 Eastern Subregional291611

1893A380NEERC 2011 Eastern Subregional330655

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1041612

1895Steaks on BoardNEERC 2011 Eastern Subregional682356

1896War Games 2.1191602

1900Brainwashing DeviceUral Championship 2012333445

1901Space ElevatorsUral Championship 2012408365

1902Neo-VeniceUral Championship 2012164692

1903Unidentified ShipsUral Championship 2012235623

1904The Lessons of the PastUral Championship 2012466321

1905Travel in TimeUral Championship 2012165872

1906The Lost CivilizationUral Championship 2012165870

1907Coffee and BunsUral Championship 2012144991

1908Brute-force SearchUral Championship 2012871573

1909Space ReconUral Championship 2012383180

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional437835

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional472667

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional203714

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1221152

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional363305

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional921163

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional642054

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional875172

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional224650

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional971421

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional312472

1921Chaos and OrderUral Regional School Programming Contest 2012157907

1922Superhero TeamUral Regional School Programming Contest 2012624239

1923Scary PoliticsUral Regional School Programming Contest 2012377391

1924Four ImpsUral Regional School Programming Contest 2012407737

1925British Scientists Save the WorldUral Regional School Programming Contest 2012242662

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012202714

1927Herbs and MagicUral Regional School Programming Contest 2012175818

1928Another Ecology ProblemUral Regional School Programming Contest 2012265551

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012545273

1930Ivan's CarUral Regional School Programming Contest 2012838179

1931Excellent TeamUral FU Championship 20121058141

1932The Secret of IdentifierUral FU Championship 2012213674

1933Guns for Battle!Ural FU Championship 2012521283

1934Black SpotUral FU Championship 2012475310

1935Tears of DrownedUral FU Championship 2012193777

1936RoshamboUral FU Championship 2012172825

1937Davy Jones’s OrganUral FU Championship 2012148951

1938Caribbean TriangleUral FU Championship 2012353337

1939First SealUral FU Championship 2012244591

1940Not So Simple YearsUral FU Championship 2012216665

1941Scary Martian WordUral FU Personal Contest 2012446319

1942Attack at the OrbitUral FU Personal Contest 2012329429

1943Space RummyUral FU Personal Contest 2012210661

1944Record of the Attack at the OrbitUral FU Personal Contest 2012820175

1945Many-armed BrothersUral FU Personal Contest 2012562202

1946Chinese Hockey 3Ural FU Personal Contest 20121021298

1947MeanderUral FU Personal Contest 20121011309

1948The Robot on the LineUral FU Personal Contest 2012145938

1949The Best Picture in the GalaxyUral FU Personal Contest 2012138982

1950Martian FarmlandsUral FU Personal Contest 2012901453

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup951252

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup49390

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup771512

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup253757

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup333058

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup861370

1957MundialPetrozavodsk Winter 2013. Kontur Cup333058

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup402630

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup179696

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup250506

1961Cantonese DialectUral FU Personal Contest 2013178696

1962In Chinese RestaurantUral FU Personal Contest 2013205609

1963KiteUral FU Personal Contest 2013327388

1964Chinese DialectsUral FU Personal Contest 2013928140

1965Pear TreesUral FU Personal Contest 20131191015

1966Cycling RoadsUral FU Personal Contest 2013219572

1967Programmer CasinoUral FU Personal Contest 2013184675

1968Glass PyramidUral FU Personal Contest 20131011179

1969Hong Kong TramUral FU Personal Contest 2013561983

1970皇后像廣場Ural FU Personal Contest 2013125970

1971Graphics SettingsUral Championship 2013257477

1972Game TestingUral Championship 2013402547

1973Location GeneratorUral Championship 2013204244

1974Similar TunesUral Championship 2013156767

1975Model of the EarthUral Championship 2013293265

1976Game OptimizationUral Championship 2013123957

1977Energy WallUral Championship 2013532021

1978E-LiteUral Championship 2013412497

1979Resources DistributionUral Championship 2013125943

1980Road to InvestorUral Championship 2013238513

1981Parallel and PerpendicularUral FU Championship 2013433273

1982Electrification PlanUral FU Championship 2013882135

1983Nectar GatheringUral FU Championship 2013112990

1984Dummy GuyUral FU Championship 2013808148

1985Prime SquareUral FU Championship 2013941162

1986Paul’s SaladsUral FU Championship 2013148765

1987Nested SegmentsUral FU Championship 2013567209

1988Planet Ocean LandingUral FU Championship 2013144785

1989SubpalindromesUral FU Championship 2013390302

1990PodracingNEERC 2013 Eastern Subregional192595

1991The battle near the swampNEERC 2013 Eastern Subregional235351

1992CVSNEERC 2013 Eastern Subregional377311

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional786151

1994The Emperor's planNEERC 2013 Eastern Subregional173657

1995Illegal spicesNEERC 2013 Eastern Subregional312373

1996Cipher Message 3NEERC 2013 Eastern Subregional139807

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional333351

1998The old PadawanNEERC 2013 Eastern Subregional467252

1999The secret moduleNEERC 2013 Eastern Subregional213878

2000Grand Theft Array VUral Regional School Programming Contest 2013942125

2001Mathematicians and BerriesUral Regional School Programming Contest 2013406429

2002Test TaskUral Regional School Programming Contest 2013175467

2003Simple MagicUral Regional School Programming Contest 2013464251

2004Scientists from SpilkovoUral Regional School Programming Contest 2013217525

2005Taxi for ProgrammersUral Regional School Programming Contest 2013161973

2006Kirill the GardenerUral Regional School Programming Contest 2013372533

2007Mutants versus MachinesUral Regional School Programming Contest 2013931156

2008SwiftyUral Regional School Programming Contest 2013161696

2009Canteen LineUral Regional School Programming Contest 2013213534

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131165101

2011Long StatementUral Regional School Programming Contest 2013150279

2012About Grisha N.NEERC 2014 Eastern Subregional394123

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional158543

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional231379

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional465192

2016Magic and ScienceNEERC 2014 Eastern Subregional124149

2017Best of a bad lotNEERC 2014 Eastern Subregional100830

2018The Debut AlbumNEERC 2014 Eastern Subregional732123

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional514174

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional763118

2021Scarily interesting!NEERC 2014 Eastern Subregional331268

2022Riding a ToadNEERC 2014 Eastern Subregional371942

2023Donald is a postmanNEERC 2014 Eastern Subregional220341

2024Adventure TimeUral Regional School Programming Contest 2014405217

2025Line FightingUral Regional School Programming Contest 201492397

2026Dean and ScheduleUral Regional School Programming Contest 2014249348

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014277314

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014164518

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014215401

2030Awesome Backup SystemUral Regional School Programming Contest 2014215401

2031Overturned NumbersUral Regional School Programming Contest 2014113079

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014163521

2033DevicesUral Regional School Programming Contest 201491997

2034CaravansUral Regional School Programming Contest 2014310282

2035Another Dress RehearsalUral Regional School Programming Contest 2014128869

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Contest631212

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Contest83951

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest282327

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Contest94654

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Contest135610

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Contest431669

2042NikitaPetrozavodsk Summer 2014. Ural FU Contest84913

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Contest153537

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Contest163401

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Contest162514

2046The First Day at SchoolUral Championship 2015225318

2047MathsUral Championship 2015197361

2048HistoryUral Championship 2015137509

2049ChemistryUral Championship 2015123401

20503D-modelingUral Championship 2015391527

2051PhysicsUral Championship 2015202494

2052Physical EducationUral Championship 201585788

2053BiologyUral Championship 2015242201

2054AstronomyUral Championship 201584155

2055Urban GeographyUral Championship 2015581100

2056ScholarshipUral Championship 201576996

2057Non-palidromic cuttingPalindromic Contest 123151

2058100500 palidnromesPalindromic Contest 152773

2059Not common palindromesPalindromic Contest 361507

2060Subpalindrome pairsPalindromic Contest 90693

2061OEIS A216264Palindromic Contest 113301

2062Ambitious ExperimentUral Regional School Programming Contest 2015118481

2063Black and WhiteUral Regional School Programming Contest 2015149387

2064CaterpillarsUral Regional School Programming Contest 2015103545

2065Different SumsUral Regional School Programming Contest 2015294203

2066Simple ExpressionUral Regional School Programming Contest 2015130447

2067Friends and BerriesUral Regional School Programming Contest 2015241245

2068Game of NutsUral Regional School Programming Contest 201566491

2069Hard RockUral Regional School Programming Contest 2015388155

2070Interesting NumbersUral Regional School Programming Contest 2015278214

2071Juice CocktailsUral Regional School Programming Contest 2015128446

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015262226

2073Log FilesUral Regional School Programming Contest 2015401150

2074Timus problems classifierQualification of eastern subregional contest 201593502

2075Take care of your eyebrows!Qualification of eastern subregional contest 2015191782

2076VasianaQualification of eastern subregional contest 201533975

2077ReductionsQualification of eastern subregional contest 201553445

2078Bowling gameUral Championship 201670544

2079Memory leaksUral Championship 201652901

2080WalletUral Championship 2016321036

2081Faulty dialUral Championship 201660622

2082PokerUral Championship 201623586

2083The Guardian of TraditionsUral Championship 201662720

2084Technical debtUral Championship 201662720

2085Magic ProgrammerUral Championship 201692290

2086Find DenisUral Championship 201643108

2087TrainsUral Championship 201652900

2088Nostalgic EveningUral Championship 201633246

2089Experienced coachUral Championship 201635967