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Problem set


1000A+B Problem9829116

1001Reverse Root3031915

1002Phone NumbersCentral European Olympiad in Informatics 19996614220

1003ParityCentral European Olympiad in Informatics 19993812382

1004Sightseeing TripCentral European Olympiad in Informatics 19992565567

1005Stone PileUSU Championship 19971753483

1006Square FramesUSU Championship 19971544937

1007Code WordsUSU Championship 19973756387

1008Image EncodingUSTU PhysTech Cup 20004126352

1009K-based NumbersUSU Championship 19971565693

1010Discrete FunctionUSTU PhysTech Cup 20005201279

1011ConductorsUSU Championship 19976055240

1012K-based Numbers. Version 28323174

1013K-based Numbers. Version 31123187

1014Product of DigitsUSU Local Contest. 19991532395

1015Test the Difference!USU Local Contest. 19993334434

1016Cube on the WalkUSU Local Contest. 19991833788

1017StaircasesUSU Local Contest. 19999424154

1018Binary Apple TreeUSU Local Contest. 19995222278

1019Line PaintingUSU Local Contest. 19993245446

1020RopeAutumn School Contest 20001461599

1021Sacrament of the SumAutumn School Contest 200010078144

1022Genealogical TreeAutumn School Contest 200010558137

1023ButtonsAutumn School Contest 20006960208

1024PermutationsAutumn School Contest 20004700308

1025Democracy in DangerAutumn School Contest 20002159767

1026Questions and AnswersAutumn School Contest 20009238157

1027D++ AgainAutumn School Contest 20002389605

1028StarsUral Championship 19995539261

1029MinistryUral Championship 19993663343

1030TitanicUral Championship 19991685853

1031Railway TicketsUral Championship 19993864373

1032Find a MultipleUral Championship 19994208299

1033LabyrinthUral Championship 19996239231

1034Queens in Peaceful PositionsUral Championship 19991856775

1035Cross-stitchUral Championship 199910811323

1036Lucky Tickets4851297

1037Memory ManagementUSU Championship 200012391147

1038Spell CheckerUSU Championship 20003076464

1039Anniversary PartyUSU Championship 20003800376

1040Airline CompanyUSU Championship 20001456977

1041NikiforUSU Championship 20006302239

1042Central HeatingUSU Championship 20001788797

1043Cover an ArcUSU Championship 20008871597

1044Lucky Tickets. Easy!USU Championship 200011952120

1045Funny GameUSU Local Contest. March 20002759512

1046Geometrical DreamsUSU Local Contest. March 20007581843

1047Simple CalculationsUSU Local Contest. March 20004918287

1048Superlong SumsUSU Local Contest. March 20007278194

1049Brave BalloonistsUSU Local Contest. March 20005858241

1050Preparing an ArticleUSU Local Contest. March 200010161380

1051Simple Game on a GridUSU Local Contest. March 20002779507

1052Rabbit HuntUSU Local Contest. March 20006175229

1053PinocchioNEERC 2000 Central Subregional4320326

1054Tower of HanoiNEERC 2000 Central Subregional2169648

1055CombinationsNEERC 2000 Central Subregional3482405

1056Centers of the NetNEERC 2000 Central Subregional2622537

1057Amount of DegreesNEERC 2000 Central Subregional1994705

1058ChocolateNEERC 2000 Central Subregional4922808

1059ExpressionNEERC 2000 Central Subregional2177646

1060Flip GameNEERC 20003721359

1061Buffer ManagerNEERC 20002087638

1062TriathlonNEERC 20007361792

1063Domino PuzzleNEERC 20006122149

1064Binary SearchNEERC 20002123627

1065FrontierNEERC 20009771355

1066GarlandNEERC 20002401555

1067Disk TreeNEERC 20002959450


1069Prufer CodeUSU Personal Contest 20012508516

1070Local TimeUSU Personal Contest 20012020641

1071Nikifor 2USU Personal Contest 20012158600

1072RoutingUSU Personal Contest 20012637491

1073Square CountryUSU Personal Contest 20018949145

1074Very Short ProblemUSU Personal Contest 20016192067

1075Thread in a SpaceUSU Personal Contest 20016292035


1077Travelling Tours1171397

1078SegmentsWinter Mathematical Festival Varna 20013643352

1079MaximumWinter Mathematical Festival Varna 200111759109

1080Map ColoringWinter Mathematical Festival Varna 20015943216

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014944260

1082Gaby IvanushkaSpring School Contest 200110536121

1083Factorials!!!Spring School Contest 20011883868

1084Goat in the GardenSpring School Contest 20018635148

1085MeetingSpring School Contest 20012094606

1086CryptographySpring School Contest 200111931107

1087The Time to Take StonesSpring School Contest 20014676272

1088Ilya MurometzSpring School Contest 20011772716

1089Verification with a VocabularySpring School Contest 20012715468

1090In the Army NowUSU Local Contest. March 20013463349

1091Tmutarakan ExamsUSU Local Contest. March 20012338516

1092TransversalUSU Local Contest. March 20015332232

1093DartsUSU Local Contest. March 20016141942

1094E-screenUSU Local Contest. March 20012731442

1095Nikifor 3USU Local Contest. March 20012147562

1096Get the Right Route Plate!USU Local Contest. March 20011755687

1097Square Country 2USU Local Contest. March 20019041326


1099Work Scheduling9551136

1100Final StandingsTetrahedron Team Online Contest May 20011055844

1101Robot in the FieldTetrahedron Team Online Contest May 2001841548

1102Strange DialogTetrahedron Team Online Contest May 20012719171

1103Pencils and CirclesTetrahedron Team Online Contest May 2001932495

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001498793

1105Observers ColoringTetrahedron Team Online Contest May 2001568807

1106Two TeamsTetrahedron Team Online Contest May 2001622675

1107Warehouse ProblemTetrahedron Team Online Contest May 20011117414

1108HeritageBulgarian Online Contest September 20011896246

1109ConferenceBulgarian Online Contest September 20011898246

1110PowerBulgarian Online Contest September 2001897052

1111SquaresBulgarian Online Contest September 20011183393

1112CoverBulgarian Online Contest September 20012868163

1113JeepBulgarian Online Contest September 20011768264

1114BoxesBulgarian Online Contest September 20012476188

1115ShipsBulgarian Online Contest September 20011126413

1116Piecewise Constant FunctionAutumn School Contest 20011443323

1117HierarchyAutumn School Contest 20011716272

1118Nontrivial NumbersAutumn School Contest 20014574102

1119MetroAutumn School Contest 2001648972

1120Sum of Sequential NumbersAutumn School Contest 2001535587

1121BranchesAutumn School Contest 20011368340

1122GameAutumn School Contest 20011942240

1123SalaryAutumn School Contest 20013896120

1124MosaicUSU Championship 20011559299

1125HopscotchUSU Championship 20012048228

1126Magnetic StormsUSU Championship 2001505193

1127Colored BricksUSU Championship 20011480315

1128Partition into GroupsUSU Championship 20011128412

1129Door PaintingUSU Championship 20011060438

1130Nikifor's WalkUSU Championship 2001497925

1131CopyingUSU Championship 2001620575

1132Square Root823564

1133Fibonacci SequenceNEERC 2001 Central Subregional2126220

1134CardsNEERC 2001 Central Subregional2423193

1135RecruitsNEERC 2001 Central Subregional2865163

1136ParliamentNEERC 2001 Central Subregional472299

1137Bus RoutesNEERC 2001 Central Subregional1366341

1138Integer PercentageNEERC 2001 Central Subregional2342200

1139City BlocksNEERC 2001 Central Subregional606177

1140Swamp IncidentNEERC 2001 Central Subregional1255371

1141RSA Attack1280364

1142RelationsDSAP Vietnam Online Contest November 20013135149

1143Electric PathDSAP Vietnam Online Contest November 2001810573

1144The Emperor's RiddleDSAP Vietnam Online Contest November 20012431856

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011231378

1146Maximum SumDSAP Vietnam Online Contest November 2001589780

1147Shaping RegionsDSAP Vietnam Online Contest November 2001605764

1148Building TowersDSAP Vietnam Online Contest November 20012631720

1149Sinus Dances775960

1150Page NumbersUral Championship 2001. Round 21924243

1151RadiobeaconsUral Championship 2001. Round 24401044

1152False MirrorsUral Championship 2001. Round 22996156

1153SupercomputerUral Championship 2001. Round 21572297

1154Mages ContestUral Championship 2001. Round 2527875

1155TroubleduonsUral Championship 2001. Round 21768264

1156Two RoundsUral Championship 2001. Round 21426327

1157Young TilerUral Championship 2001. Round 22405195

1158Censored!NEERC 2001 Northern Subregional929501

1159FenceNEERC 2001 Northern Subregional630735

1160NetworkNEERC 2001 Northern Subregional2378200

1161StripiesNEERC 2001 Northern Subregional515291

1162Currency ExchangeNEERC 2001 Northern Subregional1591294

1163ChapaevNEERC 2001 Northern Subregional2351919

1164FillwordNEERC 2001 Northern Subregional2337200

1165SubnumberNEERC 2001 Northern Subregional518890

1166Funny Card GameNEERC 2001 Northern Subregional1283495

1167Bicolored HorsesRomanian Online Contest December 20013473135

1168Radio StationsRomanian Online Contest December 2001638726

1169PairsRomanian Online Contest December 2001651711

1170DesertRomanian Online Contest December 20013101469

1171Lost in SpaceRomanian Online Contest December 20013621264

1172Ship RoutesRomanian Online Contest December 2001850547

1173Lazy SnailRomanian Online Contest December 20014341059

1174Weird PermutationsRomanian Online Contest December 2001665697

1175Strange SequenceUSU Personal Contest 2002496932

1176HyperchannelsUSU Personal Contest 20021323354

1177Like ComparisonsUSU Personal Contest 20023751224

1178Akbardin’s RoadsUSU Personal Contest 20023217146

1179Numbers in TextUSU Personal Contest 20021647284

1180Stone GameUSU Personal Contest 2002543387

1181Cutting a Painted PolygonUSU Personal Contest 20021056442

1182Team Them Up!NEERC 2001910513

1183Brackets SequenceNEERC 20012411195

1184Cable MasterNEERC 20011938242

1185WallNEERC 20011545303

1186Chemical ReactionsNEERC 2001677686

1187Statistical TroubleNEERC 20012182069

1188LibraryNEERC 20012092154

1189Pairs of IntegersNEERC 2001939497

1190Bar of ChocolateSpring School Contest 20021542304

1191Catch the thief!Spring School Contest 20021915245

1192Ball in a DreamSpring School Contest 20024294110

1193Queue at the ExamSpring School Contest 20022599181

1194HandshakesSpring School Contest 2002582281

1195Ouths and CrossesSpring School Contest 20021858252

1196History ExamSpring School Contest 2002865354

1197Lonesome KnightSpring School Contest 20021668128



1200Horns and HoofsUSU Local Contest. March 20021874250

1201Which Day Is It?USU Local Contest. March 20021324354

1202Rectangles TravelUSU Local Contest. March 20021043448

1203Scientific ConferenceUSU Local Contest. March 2002558284

1204IdempotentsUSU Local Contest. March 20022084225

1205By the Underground or by Foot?USU Local Contest. March 20022054229

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023902121

1207Median on the PlaneUSU Local Contest. March 20022957159

1208Legendary Teams ContestUSU Local Contest. March 20022224211

12091, 10, 100, 1000...Autumn School Contest 20021339036

1210Kind SpiritsAutumn School Contest 20022936162

1211Collective GuaranteeAutumn School Contest 20021491317

1212BattleshipAutumn School Contest 2002940501

1213Cockroaches!Autumn School Contest 20022805169

1214Strange ProcedureAutumn School Contest 20024729100

1215Exactness of Projectile HitAutumn School Contest 20021573301

1216Two Pawns and One KingUSU Championship 20022202070

1217Unlucky TicketsUSU Championship 20021157408

1218Episode N-th: The Jedi TournamentUSU Championship 20021469322

1219Symbolic SequenceUSU Championship 20024050117

1220StacksUSU Championship 20021734273

1221Malevich Strikes Back!USU Championship 20021122421

1222Chernobyl’ EaglesUSU Championship 20023404139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021584299

1224SpiralNEERC 2002 Central Subregional710367

1225FlagsNEERC 2002 Central Subregional1304636

1226esreveR redrONEERC 2002 Central Subregional4279111

1227Rally ChampionshipNEERC 2002 Central Subregional1553305

1228ArrayNEERC 2002 Central Subregional4525105

1229Strong BrickworkNEERC 2002 Central Subregional1260375

1230Introspective ProgramNEERC 2002 Central Subregional630744

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2132135

1232Asteroid LandingNEERC 2002 Central Subregional1902381

1233Amusing NumbersNEERC 2002496942

1234BricksNEERC 2002693678

1235Cricket FieldNEERC 2002623753

1236Decoding TaskNEERC 2002939502

1237Evacuation PlanNEERC 2002488959

1238FoldingNEERC 20021118423

1239Ghost BustersNEERC 20021483018

1240Heroes of Might and MagicNEERC 20023291407

1241Inlay CuttersNEERC 20022791652

1242WerewolfUSU Personal Contest 20032504190

1243Divorce of the Seven DwarfsUSU Personal Contest 2003956550

1244GentlemenUSU Personal Contest 20031864255

1245PicturesUSU Personal Contest 2003504931

1246Tethered DogUSU Personal Contest 20031434331

1247Check a SequenceUSU Personal Contest 20032012237

1248Sequence SumUSU Personal Contest 2003715660

1249Ancient NecropolisUSU Local Contest. March 20032222214

1250Sea BurialUSU Local Contest. March 2003662712

1251Cemetery ManagerUSU Local Contest. March 20033081505

1252Sorting the TombstonesUSU Local Contest. March 20031182402

1253NecrologuesUSU Local Contest. March 2003683691

1254Die HardUSU Local Contest. March 2003737641

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031751272

1256Cemetery GuardUSU Local Contest. March 20032002279

1257HyphenationAutumn School Contest 20032731704

1258PoolAutumn School Contest 20031136421

1259How to Become Star?Autumn School Contest 20031224391

1260Nudnik PhotographerAutumn School Contest 20034361110

1261TipsAutumn School Contest 20031443332

1262Pseudo-Roman NumberAutumn School Contest 20031255381

1263ElectionsAutumn School Contest 20031110743

1264WorkdaysAutumn School Contest 20032189222

1265MirrorUSU Championship 20033091513

1266Kirchhoff's LawUSU Championship 20033191467

1267Yekaterinburg SubwayUSU Championship 20032501856

1268Little ChuUSU Championship 2003652729

1269Obscene Words FilterUSU Championship 2003565839

1270UnicubeUSU Championship 20031932377

1271Sailing DirectionsUSU Championship 2003944640

1272Non-Yekaterinburg SubwayUSU Championship 20033209150

1273TieUSU Championship 20031030464

1274Fractional ArithmeticNEERC 2003 Central Subregional693687

1275Knights of the Round TableNEERC 2003 Central Subregional1892426

1276TrainNEERC 2003 Central Subregional619767

1277Cops and ThievesNEERC 2003 Central Subregional608781

1278“… Connecting People”NEERC 2003 Central Subregional487971

1279WarehouseNEERC 2003 Central Subregional1154415

1280Topological SortingNEERC 2003 Central Subregional3382142

1281River BasinNEERC 2003 Central Subregional3371391

1282Game TreeNEERC 2003 Central Subregional1433335

1283DwarfUSU Personal Contest 20044054119

1284Space PokerUSU Personal Contest 20041962353

1285Thread in a HyperspaceUSU Personal Contest 20042851643

1286Starship TravelUSU Personal Contest 2004715668

1287Mars CanalsUSU Personal Contest 20041285374

1288AstrolocationUSU Personal Contest 20042022286

1289One Way TicketUSU Personal Contest 20041217395

1290SabotageSpring School Contest 2004611979

1291Gear-wheelsSpring School Contest 20041219395

1292Mars Space StationsSpring School Contest 20041295372

1293EniyaSpring School Contest 20043177615

1294Mars SatellitesSpring School Contest 20041555310

1295Crazy NotionsSpring School Contest 20043191151

1296HyperjumpSpring School Contest 2004638976

1297PalindromeSpring School Contest 2004588482

1298KnightSpring School Contest 20041981244

1299PsyloniansSpring School Contest 20043161487

1300TaxesUral Championship 19981622820

1301Cube in LabyrinthUral Championship 1998646739

1302Delta-waveUral Championship 19981413341

1303Minimal CoverageUral Championship 19982631184

1304ParallelepipedUral Championship 19982461895

1305Convex HullUral Championship 1998686697

1306Sequence MedianUral Championship 19983384143

1307ArchiverUral Championship 2004. Round 13711274

1308Dean's PyramidUral Championship 2004. Round 11622822

1309DisputeUral Championship 2004. Round 1791606

1310ACM DiagnosticsUral Championship 2004. Round 14371086

1311Stable ConstructionUral Championship 2004. Round 13261445

1312TrayUral Championship 2004. Round 11552942

1313Some Words about SportUral Championship 2004. Round 11385235

1314Chase in SubwayUral Championship 2004. Round 1789607

1315MDPAR and MIIARUral Championship 2004. Round 12461896

1316Electronic AuctionUral Championship 2004. Round 11095439

1317HailUral Championship 2004. Round 24511053

1318LogarithmUral Championship 2004. Round 23351407

1319HotelUral Championship 2004. Round 21235039

1320Graph DecompositionUral Championship 2004. Round 21635295

1321Floor IndicatorUral Championship 2004. Round 23521341

1322SpyUral Championship 2004. Round 21784271

1323ClassmatesUral Championship 2004. Round 2589810

1324Extra SpacesUral Championship 2004. Round 2513928

1325DirtUral Championship 2004. Round 2873550

1326Bottle TapsUral Championship 2004. Round 21178409

1327FusesAutumn School Contest 20041045547

1328FireballAutumn School Contest 20043461371

1329Galactic HistoryAutumn School Contest 20041041465

1330IntervalsAutumn School Contest 2004499897

1331VladislavaAutumn School Contest 2004481994

1332Genie BomberAutumn School Contest 2004781617

1333Genie Bomber 2Autumn School Contest 20042247216

1334CheckersAutumn School Contest 2004906533

1335White ThesisAutumn School Contest 20042737178

1336Problem of Ben BetsalelAutumn School Contest 20044035121

1337BureaucracyAutumn School Contest 20043111521

1338AutomobilesUSU Championship 20042691756

1339BabiesUSU Championship 2004539893

1340CucarachaUSU Championship 2004894950

1341DeviceUSU Championship 20044251126

1342EnterpriseUSU Championship 2004630766

1343Fairy TaleUSU Championship 20041151422

1344Gigantic TurnipUSU Championship 2004974580

1345HTMLUSU Championship 20043411396

1346Intervals of MonotonicityUSU Championship 20041644296

1347BlogSpring School Contest 20053421393

1348Goat in the Garden 2Spring School Contest 20052555191

1349FarmSpring School Contest 2005959751

1350CanteenSpring School Contest 20051246390

1351Good Gnusmas – Dead GnusmasSpring School Contest 2005918528

1352Mersenne PrimesSpring School Contest 20053783129

1353Milliard Vasya's FunctionSpring School Contest 20054685104

1354Palindrome. Again PalindromeSpring School Contest 20053511139

1355Bald Spot RevisitedSpring School Contest 20052278214

1356Something EasierSpring School Contest 20051543316

1357Teakettle 1.0 for DummiesSpring School Contest 20054051182

1358CablesSpring School Contest 2005884549

1359ConstructionSpring School Contest 20053981202

1360Philosophical DisputeUral Championship 2005. Round 23651309

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22292054

1362Classmates 2Ural Championship 2005. Round 21080450

1363HalftonesUral Championship 2005. Round 2785578

1364LaraKillerUral Championship 2005. Round 2504955

1365Testing CalculatorUral Championship 2005. Round 2904908

1366PresentsUral Championship 2005. Round 2925525

1367Top SecretUral Championship 2005. Round 21523030

1368Goat in the Garden 3Ural Championship 2005. Round 21892466

1369Cockroach RaceUral Championship 2005. Round 22713265

1370MagicianUral Championship 2005. Round 2531892

1371Cargo AgencyUral Championship 2005. Round 1906537

1372Death StarUral Championship 2005. Round 1745860

1373Pictura ex MachinaUral Championship 2005. Round 1567853

1374MisereUral Championship 2005. Round 13211720

1375Bill CleversUral Championship 2005. Round 1898542

1376Dean's Pyramid 2Ural Championship 2005. Round 1419651

1377Lara CroftUral Championship 2005. Round 11686290

1378Artificial IntelligenceUral Championship 2005. Round 13231478

1379Cups TransportationUral Championship 2005. Round 1721673

1380Ostap's ChessPetrozavodsk Summer 2005. Moscow+Ural Contest1104102

1381Cockroaches in the BuildingPetrozavodsk Summer 2005. Moscow+Ural Contest1303516

1382Game with CardsPetrozavodsk Summer 2005. Moscow+Ural Contest2721746

1383Flower-garden DesignsPetrozavodsk Summer 2005. Moscow+Ural Contest409846

1384Goat in the Garden 4Petrozavodsk Summer 2005. Moscow+Ural Contest894973

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2026242

1386MazePetrozavodsk Summer 2005. Moscow+Ural Contest4181150

1387Vasya's DadPetrozavodsk Summer 2005. Moscow+Ural Contest3081548

1388PhotoPetrozavodsk Summer 2005. Moscow+Ural Contest2016410

1389RoadworksPetrozavodsk Summer 2005. Moscow+Ural Contest851572

1390Shots at WallsPetrozavodsk Summer 2005. Moscow+Ural Contest419653

1391SnakePetrozavodsk Summer 2005. Moscow+Ural Contest845237

1392Dreaming of Stars639759

1393Average Common Prefix4161145

1394Ships. Version 21420513

1395Pascal vs. C++. Version 21892368

1396Maximum. Version 22291966

1397Points Game2581700

1398Bishop and Pawn495882

1399Economical Director3210603

1400Cellular CharactersAutumn School Contest 2005892546

1401GamersAutumn School Contest 20051840266

1402CocktailsAutumn School Contest 20053830128

1403CourierAutumn School Contest 20051338365

1404Easy to Hack!Autumn School Contest 2005605681

1405Goat in the Garden 5Autumn School Contest 2005685708

1406Next NumberAutumn School Contest 20051438340

1407One-two, One-twoAutumn School Contest 20051280382

1408Polynomial MultiplicationAutumn School Contest 20054071180

1409Two GangstersAutumn School Contest 20053040116

1410CrackUSU Championship 20051256388

141140 Islands KnightsUSU Championship 20051483106

1412Autumn TideUSU Championship 20053201487

1413Mars JumperUSU Championship 20052781176

1414Astronomical DatabaseUSU Championship 20051101442

1415Mobile LifeUSU Championship 2005449084

1416ConfidentialUSU Championship 20051194408

1417Space Poker 2USU Championship 20052461917

1418Military StoryUSU Championship 2005538895

1419Maps of the Island WorldsUSU Championship 20053931218

1420Integer-Valued Complex DivisionUSU Championship 20052531866

1421Credit OperationsTimus Top Coders: First Challenge878540

1422FirefliesTimus Top Coders: First Challenge536878

1423String TaleTimus Top Coders: First Challenge2742174

1424MinibusTimus Top Coders: First Challenge666709

1425Queen 2Timus Top Coders: First Challenge2691718

1426RectanglesTimus Top Coders: First Challenge835153

1427SMSTimus Top Coders: First Challenge1306364

1428Jedi RiddleTimus Top Coders: First Challenge961494

1429BiscuitsTimus Top Coders: First Challenge1722633

1430Crime and PunishmentTimus Top Coders: First Challenge1033460

1431DiplomasUSU Personal Contest 20061327357

1432Twofold LuckUSU Personal Contest 2006517832

1433DiamondsUSU Personal Contest 20061853256

1434Buses in VasyukiUSU Personal Contest 20064641008

1435Financial ErrorUSU Personal Contest 2006476983

1436BillboardUSU Personal Contest 2006568827

1437Gasoline StationUSU Personal Contest 2006956495

1438Time Limit ExceededUSU Personal Contest 20061493005

1439Battle with You-Know-WhoUral Championship 20061056445

1440Training ScheduleUral Championship 2006669699

1441From the History of Gringotts BankUral Championship 20064071138

1442Floo PowderUral Championship 20061373229

1443RailsUral Championship 2006700669

1444ElephpotamusUral Championship 2006933503

1445Christmas giftsUral Championship 2006797588

1446Sorting HatUral Championship 2006520491

1447Portkey NetworkUral Championship 20064601010

1448Lighting in HogwartsUral Championship 2006819573

1449Credit Operations 2Timus Top Coders: Second Challenge3131461

1450Russian PipelinesTimus Top Coders: Second Challenge2289205

1451Beerhouse TaleTimus Top Coders: Second Challenge4601004

1452Pascal vs. C++Timus Top Coders: Second Challenge762611

1453QueenTimus Top Coders: Second Challenge3851194

1454Rectangles 2Timus Top Coders: Second Challenge1782509

1455Freedom of SpeechTimus Top Coders: Second Challenge2242016

1456Jedi Riddle 2Timus Top Coders: Second Challenge618751

1457Heating MainTimus Top Coders: Second Challenge699367

1458War GamesTimus Top Coders: Second Challenge3821204

1459Archer's TravelPetrozavodsk Winter 2006. USU Contest2641679

1460WiresPetrozavodsk Winter 2006. USU Contest994220

1461Christmas GarlandPetrozavodsk Winter 2006. USU Contest4491002

1462Uncle Scrooge's GoldPetrozavodsk Winter 2006. USU Contest539838

1463Happiness to People!Petrozavodsk Winter 2006. USU Contest734618

1464LightPetrozavodsk Winter 2006. USU Contest1482911

1465Pawn GamePetrozavodsk Winter 2006. USU Contest919495

1466Magic SquarePetrozavodsk Winter 2006. USU Contest1363151

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3681217

1468FractionPetrozavodsk Summer 2006. Ural+Orel Contest534837

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest4351024

1470UFOsPetrozavodsk Summer 2006. Ural+Orel Contest1790253

1471Distance in the TreePetrozavodsk Summer 2006. Ural+Orel Contest2654171

1472Martian ArmyPetrozavodsk Summer 2006. Ural+Orel Contest4171067

1473Farm 2Petrozavodsk Summer 2006. Ural+Orel Contest775236

1474About FrogsPetrozavodsk Summer 2006. Ural+Orel Contest637704

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1014104

1476Lunar CodePetrozavodsk Summer 2006. Ural+Orel Contest3241364

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1422997

1478Spy SatellitesPetrozavodsk Summer 2006. Ural+Orel Contest1063927

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest894601

1480CouponsUSU Championship 2006984457

1481Winning ChancesUSU Championship 20061832353

1482Triangle GameUSU Championship 20061343154

1483Table FootballUSU Championship 20061201375

1484Film RatingUSU Championship 2006679659

1485Football and LieUSU Championship 20062611676

1486Equal SquaresUSU Championship 2006621720

1487Chinese FootballUSU Championship 20063521255

1488ACM PokerUSU Championship 20062851540

1489Points on a ParallelepipedAutumn School Contest 20061142394

1490Fire CircleAutumn School Contest 20062273199

1491Unreal StoryAutumn School Contest 20062146210

1492Vasya's Dad 2Autumn School Contest 20062201972

1493One Step from HappinessAutumn School Contest 2006953748

1494MonobilliardsAutumn School Contest 20063890116

1495One-two, One-two 2Autumn School Contest 20061333338

1496SpammerAutumn School Contest 2006902950

1497Cutting a SquareAutumn School Contest 20061509299

1498Stroke at Full SpeedAutumn School Contest 2006513867

1499KerchiefsAutumn School Contest 20063021454

1500Pass LicensesNEERC 2006 Eastern Subregional705632

1501Sense of BeautyNEERC 2006 Eastern Subregional1704264

1502Domino DotsNEERC 2006 Eastern Subregional613474

1503PolynomialNEERC 2006 Eastern Subregional2481752

1504Good MannersNEERC 2006 Eastern Subregional1902260

1505Oil TransferNEERC 2006 Eastern Subregional1502825

1506Columns of NumbersNEERC 2006 Eastern Subregional3002150

1507Difficult DecisionNEERC 2006 Eastern Subregional1027436

1508Japanese PuzzleNEERC 2006 Eastern Subregional2701614

1509Domino RecognitionNEERC 2006 Eastern Subregional1203477

1510OrderNEERC 2006 Eastern Subregional517287

1511Fiscal OperationsTimus Top Coders: Third Challenge3731167

1512ZiniumTimus Top Coders: Third Challenge522840

1513Lemon TaleTimus Top Coders: Third Challenge1179376

1514National ParkTimus Top Coders: Third Challenge2411781

1515CashmasterTimus Top Coders: Third Challenge2098212

1516NostalgiaTimus Top Coders: Third Challenge2481733

1517Freedom of ChoiceTimus Top Coders: Third Challenge1656268

1518Jedi Riddle 3Timus Top Coders: Third Challenge4181045

1519Formula 1Timus Top Coders: Third Challenge1002442

1520Empire Strikes BackTimus Top Coders: Third Challenge1672526

1521War Games 2Timus Top Coders: Third Challenge2605171

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2291844

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1461300

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2711907

1525PathPetrozavodsk Winter 2007. D.Gozman Contest954457

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3171347

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3671169

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1672262

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1083734

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest487887

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3081386

1532Lost in TranslationUSU Personal Contest 20072092006

1533Fat HobbitsUSU Personal Contest 20074091048

1534Football in GondorUSU Personal Contest 2007755574

1535The Hobbit or There and Back AgainUSU Personal Contest 2007886490

1536Delights of Pipe-weedUSU Personal Contest 2007536973

1537EntsUSU Personal Contest 20071556281

1538Towers of GuardUSU Personal Contest 20073391259

1539Intelligence DataUSU Personal Contest 20073981077

1540Battle for the RingUSU Personal Contest 20073961082

1541ChaseUSU Personal Contest 20071962133

1542AutocompletionUral Championship 2007674635

1543Dance RevolutionUral Championship 20071892183

1544Classmates 3Ural Championship 20073511203

1545HieroglyphsUral Championship 2007851051

1546Japanese SortingUral Championship 2007484879

1547Password SearchUral Championship 2007507840

1548Sakura and StatisticsUral Championship 20071716090

1549Another Japanese PuzzleUral Championship 20071742361

1550Dean's Pyramid 3Ural Championship 2007702610

1551Sumo TournamentUral Championship 20071480292

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3511162

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1393299

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest654632

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest349530

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest359319

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2301747

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest489840

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894236

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest449914

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1382833

1562GM-pineappleUSU Championship 2007998415

1563BayanUSU Championship 2007752355

1564Counting OnesUSU Championship 2007607677

1565The Duel for ThreeUSU Championship 20072291749

1566Triangular PostcardsUSU Championship 20071273051

1567SMS-spamUSU Championship 20071042540

1568Train Car SortingUSU Championship 20072451639

1569Networking the “Iset”USU Championship 2007418977

1570Eating HighUSU Championship 2007453903

1571InterpretersUSU Championship 2007938441

1572Yekaterinozavodsk Great WellAutumn School Contest 20072905143

1573AlchemyAutumn School Contest 20073985104

1574Mathematicians and bracketsAutumn School Contest 20071162356

1575Yekaterinburg Subway 2Autumn School Contest 2007447913

1576Telephone TariffsAutumn School Contest 20072885144

1577E-mailAutumn School Contest 2007860480

1578Mammoth HuntAutumn School Contest 2007468873

1579Coat TransportationAutumn School Contest 2007847487

1580Dean's DebtsAutumn School Contest 2007461886

1581TeamworkAutumn School Contest 20071023141

1582BookmakersNEERC 2007 Eastern Subregional3534117

1583CheeseNEERC 2007 Eastern Subregional2141857

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3081308

1585PenguinsNEERC 2007 Eastern Subregional1061339

1586Threeprime NumbersNEERC 2007 Eastern Subregional2883144

1587Flying PigNEERC 2007 Eastern Subregional509801

1588JamaicaNEERC 2007 Eastern Subregional1296319

1589SokobanNEERC 2007 Eastern Subregional1119807

1590Bacon’s CipherNEERC 2007 Eastern Subregional2063201

1591Abstract ThinkingNEERC 2007 Eastern Subregional3911037

1592Chinese WatchesNEERC 2007 Eastern Subregional686598

1593Square Country. Version 2508720

1594Aztec Treasure654834

1595Perfect Sequence3081139

1596Knight Mare199614

1597Chernobyl’ Eagle on a Roof. Version 2922081

1598DSA Attack374478

1599Winding Number712275

1600AirportUSU Personal Contest 2008719554

1601AntiCAPSUSU Personal Contest 2008449590

1602ElevatorUSU Personal Contest 2008909440

1603EruditeUSU Personal Contest 20081606250

1604Country of FoolsUSU Personal Contest 20082062195

1605Devil's SequenceUSU Personal Contest 2008669595

1606SlalomUSU Personal Contest 2008569698

1607TaxiUSU Personal Contest 2008854047

1608Lucky Tickets 2008Ural Championship 2008393996

1609Tram TileUral Championship 20081342787

1610CactusesUral Championship 20082011902

1611DecimationUral Championship 2008557708

1612Tram ForumUral Championship 20082756145

1613For Fans of StatisticsUral Championship 20082920137

1614National Project “Trams”Ural Championship 2008484812

1615Tram SolitaireUral Championship 20081931977

1616Square Country 4Ural Championship 2008923934

1617Flat SpotsUral Championship 2008627164

1618Arrays PrintingPetrozavodsk Winter 2008. ITMO Contest814267

1619Big BrotherPetrozavodsk Winter 2008. ITMO Contest550693

1620Clever HousePetrozavodsk Winter 2008. ITMO Contest2521482

1621Definite IntegralPetrozavodsk Winter 2008. ITMO Contest714794

1622EndspielPetrozavodsk Winter 2008. ITMO Contest1183033

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1083291

1624Go out of here!Petrozavodsk Winter 2008. ITMO Contest635319

1625Hankel MatrixPetrozavodsk Winter 2008. ITMO Contest3721016

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest407766

1627JoinPetrozavodsk Winter 2008. ITMO Contest3551064

1628White StreaksUSU Championship 20081589240

1629TripUSU Championship 2008466805

1630TalismanUSU Championship 2008381980

1631Drunk King 2USU Championship 2008828457

1632LasersUSU Championship 2008804258

1633HippogriffsUSU Championship 2008503747

1634Spider MiteUSU Championship 20081672165

1635Mnemonics and PalindromesUSU Championship 20081975193

1636Penalty TimeUSU Championship 2008656558

1637Triangle Game 2USU Championship 20081093221

1638BookwormUSU Championship 2008574167

1639Chocolate 2Autumn School Contest 20081189632

1640Circle of WinterAutumn School Contest 20082239170

1641DutiesAutumn School Contest 2008774487

16421D MazeAutumn School Contest 2008401395

1643Attack of the Dark FortressAutumn School Contest 2008884427

1644A Whole Lot of WalnutsAutumn School Contest 2008394497

1645Ski RaceAutumn School Contest 20081952195

1646Godzilla Strikes Back!Autumn School Contest 2008441847

1647Divide an Island!Autumn School Contest 2008465804

1648YachtsAutumn School Contest 20081024369

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional447062

1650BillionairesNEERC 2008 Eastern Subregional1292293

1651Shortest SubchainNEERC 2008 Eastern Subregional1089347

1652Banking CrisisNEERC 2008 Eastern Subregional1372594

1653Death ConveyorNEERC 2008 Eastern Subregional466810

1654Cipher MessageNEERC 2008 Eastern Subregional650359

1655Somali PiratesNEERC 2008 Eastern Subregional1831976

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1896200

1657Cube SnakeNEERC 2008 Eastern Subregional2551439

1658Sum of DigitsNEERC 2008 Eastern Subregional1841206

1659Regular TrianglesNEERC 2008 Eastern Subregional600625

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest486499

1661DodecahedronPetrozavodsk Winter 2008. USU Contest794235

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest714653

1663The Hobbit or There and Back Again 2Petrozavodsk Winter 2008. USU Contest1182945

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1921866

1665Dean's Financial PyramidPetrozavodsk Winter 2008. USU Contest877425

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest2921248

1667Square Country 3Petrozavodsk Winter 2008. USU Contest1851933

1668Death Star 2Petrozavodsk Winter 2008. USU Contest585543

1669Universal WordPetrozavodsk Winter 2008. USU Contest2721337

1670AsteriskPetrozavodsk Summer 2008. USU Contest1971812

1671Anansi's CobwebPetrozavodsk Summer 2008. USU Contest2979125

1672Droid fliesPetrozavodsk Summer 2008. USU Contest2411030

1673Admission to ExamPetrozavodsk Summer 2008. USU Contest2681349

1674Drunk KingPetrozavodsk Summer 2008. USU Contest535953

1675Lunar Code 2Petrozavodsk Summer 2008. USU Contest2011777

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2131682

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2311556

1678Space Poker 3Petrozavodsk Summer 2008. USU Contest526049

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest366997

1680The First NonqualifyingUSU Personal Contest 20091753210

1681Brother Bear's GardenUSU Personal Contest 2009933598

1682Crazy ProfessorUSU Personal Contest 2009687532

1683FridgeUSU Personal Contest 20092820131

1684Jack's Last WordUSU Personal Contest 20091398263

1685OrthographyUSU Personal Contest 20092130173

1686Photovoltaic SpaceshipUSU Personal Contest 20092501426

1687Numismatics for FunUSU Personal Contest 20092971207

1688Team.GOV!USU Personal Contest 20092902127

1689Fisherman and BarbellUSU Personal Contest 2009412878

1690Army of MagesPetrozavodsk Winter 2009. USU Contest595611

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1063184

1692Flags for ProvincesPetrozavodsk Winter 2009. USU Contest1014361

1693Loyd's ProblemPetrozavodsk Winter 2009. USU Contest2410865

1694Killer WordsPetrozavodsk Winter 2009. USU Contest1162932

1695Work for RobotsPetrozavodsk Winter 2009. USU Contest1182886

1696Salary for RobotsPetrozavodsk Winter 2009. USU Contest414871

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest595353

1698Square Country 5Petrozavodsk Winter 2009. USU Contest592614

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3451041

1700AwakeningUral Championship 2009774469

1701Ostap and PartnersUral Championship 2009591612

1702CrossroadUral Championship 20091632124

1703Robotic ArmUral Championship 20092011742

1704DemodulationUral Championship 20091093088

1705Gangster HaresUral Championship 2009402892

1706Cipher Message 2Ural Championship 2009569635

1707Hypnotoad's SecretUral Championship 20091881856

1708Sum of Digits 2Ural Championship 20092211483

1709Penguin-AviaUral Championship 20092398153

1710Boris, You Are Wrong!Ural Championship 2009578625

1711Code NamesNEERC 2009 Eastern Subregional2742128

1712Cipher GrilleNEERC 2009 Eastern Subregional434981

1713Key SubstringsNEERC 2009 Eastern Subregional577598

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1073000

1715Another Ball KillerNEERC 2009 Eastern Subregional357956

1716Alternative SolutionNEERC 2009 Eastern Subregional449765

1717Eligibility RulesNEERC 2009 Eastern Subregional1552127

1718RejudgeNEERC 2009 Eastern Subregional1212287

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2331444

1720Summit Online JudgeNEERC 2009 Eastern Subregional363941

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional626552

1722Observation DeckUral Regional School Programming Contest 20092661269

1723Sandro's BookUral Regional School Programming Contest 2009576161

1724Origin of Man ClarifiedUral Regional School Programming Contest 2009540637

1725Sold Out!Ural Regional School Programming Contest 20092607134

1726VisitsUral Regional School Programming Contest 20092004174

1727Znaika's Magic NumbersUral Regional School Programming Contest 20091833190

1728Curse on Team.GOVUral Regional School Programming Contest 2009681507

1729Dead Man's ChestUral Regional School Programming Contest 2009570604

1730ManBearPigUral Regional School Programming Contest 20093111092

1731DillUral Regional School Programming Contest 20093492100

1732Ministry of TruthUSU Championship 2009781441

1733Forgotten TechnologyUSU Championship 2009654654

1734Endgame DatabaseUSU Championship 20091582078

1735Theft of the CenturyUSU Championship 20091132838

1736Chinese HockeyUSU Championship 20092941148

1737Mnemonics and Palindromes 3USU Championship 20091457238

1738Computer SecurityUSU Championship 2009363936

1739FaryuksUSU Championship 20091632018

1740Deer is Better!USU Championship 20092548136

1741Communication FiendUSU Championship 20091265274

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1134299

1743Domino SortingPetrozavodsk Summer 2009. Ufa SATU Contest365912

1744The Captain's SquadPetrozavodsk Summer 2009. Ufa SATU Contest1612000

1745Yet Another AnswerPetrozavodsk Summer 2009. Ufa SATU Contest393849

1746HyperrookPetrozavodsk Summer 2009. Ufa SATU Contest2081569

1747Kingdom InspectionPetrozavodsk Summer 2009. Ufa SATU Contest2511310

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1327256

1749Periodic SumPetrozavodsk Summer 2009. Ufa SATU Contest1612000

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2811175

1751Improbability TheoryPetrozavodsk Summer 2009. Ufa SATU Contest853600

1752Tree 2Petrozavodsk Summer 2009. Ufa SATU Contest1345252

1753BookshelfUSU Personal Contest 20101054317

1754Explosion in a PyramidUSU Personal Contest 2010540614

1755CakeUSU Personal Contest 2010417791

1756One and a Half DiggersUSU Personal Contest 20102004168

1757Gold BarsUSU Personal Contest 20101452179

1758Bald Spot Revisited 2USU Personal Contest 20101152702

1759Long-LiversUSU Personal Contest 2010759439

1760Infernal WorkUSU Personal Contest 2010516642

1761Binary PalindromeUSU Personal Contest 20103161036

1762Search for a Hiding-PlaceUSU Personal Contest 20102011601

1763Expert FleaUral Championship 2010545240

1764TranssibUral Championship 20101871702

1765Error 404Ural Championship 2010753945

1766Humpty DumptyUral Championship 20102421331

1767The House of Doctor DeeUral Championship 2010478687

1768Circular StringsUral Championship 20102871129

1769Old Ural LegendUral Championship 20101731193

1770The Party of Ural ChampionsUral Championship 20101931652

1771A Deputy's MorningUral Championship 2010475883

1772Ski-Trails for RobotsUral Championship 2010469700

1773Metro to Every HomeUral Championship 2010410798

1774Barber of the Army of MagesUral SU Championship 2010670471

1775Space BowlingUral SU Championship 2010358870

1776Anniversary FireworkUral SU Championship 2010719439

1777AnindilyakwaUral SU Championship 20102734117

1778Chinese Hockey 2Ural SU Championship 2010664214

1779The Great TeamUral SU Championship 20101012313

1780Gray CodeUral SU Championship 2010362861

1781Clean CodeUral SU Championship 20101511989

1782Jack's New WordUral SU Championship 20101521977

1783Nuclear Arms RaceUral SU Championship 2010711444

1784RoundersUral SU Championship 20102751124

1785Lost in LocalizationUral Regional School Programming Contest 20102023616

1786Sandro's BiographyUral Regional School Programming Contest 20103137102

1787Turn for MEGAUral Regional School Programming Contest 20101280125

1788On the Benefits of UmbrellasUral Regional School Programming Contest 20102113151

1789Searching for the DodecahedronUral Regional School Programming Contest 20101567203

1790Searching for the TruthUral Regional School Programming Contest 20102401279

1791Uncle Styopa and BusesUral Regional School Programming Contest 20102291337

1792Hamming CodeUral Regional School Programming Contest 2010406578

1793Tray 2Ural Regional School Programming Contest 2010851371

1794Masterpieces of World ArchitectureUral Regional School Programming Contest 20101702187

1795Husband in a ShopUral Regional School Programming Contest 20101322240

1796Amusement ParkUral Regional School Programming Contest 20103125102

1797Summit Online Judge. Version 2385490

1798Fire Circle. Version 2513082

1799Sasha and swag strings334281

1800Murphy's LawNEERC 2010 Eastern Subregional1777178

1801The Revolution CupNEERC 2010 Eastern Subregional505308

1802Cube PuzzleNEERC 2010 Eastern Subregional1531954

1803The Czechs' RiflesNEERC 2010 Eastern Subregional450692

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional838376

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional337918

1806Mobile TelegraphsNEERC 2010 Eastern Subregional940335

1807Cartridges for MaximNEERC 2010 Eastern Subregional2211379

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1641830

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional559560

1810AntiequationsPetrozavodsk Summer 2010. Tavrida NU Contest693936

1811Dual-SIM PhonePetrozavodsk Summer 2010. Tavrida NU Contest2201352

1812The Island of Bad Luck 2Petrozavodsk Summer 2010. Tavrida NU Contest1062681

1813Random ShufflerPetrozavodsk Summer 2010. Tavrida NU Contest1941524

1814Continued FractionPetrozavodsk Summer 2010. Tavrida NU Contest923049

1815Farm in San AndreasPetrozavodsk Summer 2010. Tavrida NU Contest624319

1816Troubles with PollardPetrozavodsk Summer 2010. Tavrida NU Contest1242321

1817Merry-go-roundPetrozavodsk Summer 2010. Tavrida NU Contest307981

1818Fair FishermenPetrozavodsk Summer 2010. Tavrida NU Contest1481968

1819Professional ApproachPetrozavodsk Summer 2010. Tavrida NU Contest356910

1820Ural SteaksUSU Personal Contest 20111212025

1821BiathlonUSU Personal Contest 20111864164

1822Hugo II's WarUSU Personal Contest 2011456659

1823Ideal GasUSU Personal Contest 2011950320

1824Ifrit BomberUSU Personal Contest 20112961004

1825Ifrit Bomber 2USU Personal Contest 2011350853

1826MinefieldUSU Personal Contest 20111038293

1827Indigenous WarsUSU Personal Contest 20112691101

1828Approximation by a ProgressionUSU Personal Contest 2011687441

1829Routing TablesUSU Personal Contest 2011883133

1830Help in the RNOSUral Championship 2011338873

1831Tsyfirkin's LessonUral Championship 20111292185

1832Arirang ShowUral Championship 2011338873

1833Hopes of RowingUral Championship 20111322139

1834Tennis RacketUral Championship 2011584466

1835Swamp DoctorUral Championship 2011932948

1836Babel FishUral Championship 20112711081

1837Isenbaev's NumberUral Championship 2011524758

1838Samurai's StrokeUral Championship 2011444669

1839The MentaculusUral Championship 20111142449

1840Victim of AdvertisingUral Championship 2011248932

1841CablewaysPetrozavodsk Summer 2010. USU Contest1381976

1842Local RootsPetrozavodsk Summer 2010. USU Contest366357

1843Cutting a ParallelepipedPetrozavodsk Summer 2010. USU Contest653899

1844Warlord of the Army of MagesPetrozavodsk Summer 2010. USU Contest1861492

1845Integer-valued Complex DeterminantPetrozavodsk Summer 2010. USU Contest574364

1846GCD 2010Petrozavodsk Summer 2010. USU Contest1934150

1847ZamkadyePetrozavodsk Summer 2010. USU Contest544569

1848Fly HuntPetrozavodsk Summer 2010. USU Contest445415

1849Rabbit Hunt 2Petrozavodsk Summer 2010. USU Contest1172302

1850Space TourismPetrozavodsk Summer 2010. USU Contest992683

1851GOV-internshipPetrozavodsk Summer 2011. Ural SU Team.GOV Contest1711613

1852Cube in a Cube in a CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest1142354

1853Laser TechnologiesPetrozavodsk Summer 2011. Ural SU Team.GOV Contest317120

1854Negotiations with ParthiansPetrozavodsk Summer 2011. Ural SU Team.GOV Contest713404

1855Trade Guilds of ErathiaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2311211

1856War and PeacePetrozavodsk Summer 2011. Ural SU Team.GOV Contest703649

1857Alice and BandersnatchPetrozavodsk Summer 2011. Ural SU Team.GOV Contest2251242

1858Magic CubePetrozavodsk Summer 2011. Ural SU Team.GOV Contest653892

1859Last Season of Team.GOVPetrozavodsk Summer 2011. Ural SU Team.GOV Contest584293

1860FiborialPetrozavodsk Summer 2011. Ural SU Team.GOV Contest655439

1861Graveyard in DeyjaPetrozavodsk Summer 2011. Ural SU Team.GOV Contest305927

1862Very Wealthy MoleUral FU Championship 20112411156

1863Peaceful AtomUral FU Championship 2011281997

1864Get-Together at Den'sUral FU Championship 20111802160

1865The Island of MärketUral FU Championship 2011833121

1866Poetic FootUral FU Championship 2011403703

1867NanotechnologiesUral FU Championship 20111112399

1868Prediction ContestUral FU Championship 20111995145

1869New Year CruiseUral FU Championship 20111325217

1870Zinium 2Ural FU Championship 2011446637

1871Seismic WavesUral FU Championship 2011491579

1872Spacious OfficeUral FU Championship 2011392722

1873GOV ChroniclesUral Regional School Programming Contest 2011835343

1874Football GoalUral Regional School Programming Contest 20111578182

1875Angry BirdsUral Regional School Programming Contest 2011311903

1876Centipede's MorningUral Regional School Programming Contest 2011560252

1877Bicycle CodesUral Regional School Programming Contest 20111525619

1878Rubinchik's CubeUral Regional School Programming Contest 20111468196

1879GOV-internship 2Ural Regional School Programming Contest 20112071335

1880Psych Up's EigenvaluesUral Regional School Programming Contest 2011959730

1881Long problem statementUral Regional School Programming Contest 2011489959

1882Old NokiaUral Regional School Programming Contest 20111022587

1883Ent's BirthdayUral Regional School Programming Contest 20112471127

1884Way to the UniversityUral Regional School Programming Contest 2011438647

1885Passenger ComfortNEERC 2011 Eastern Subregional1455197

1886Trip 2NEERC 2011 Eastern Subregional1391941

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2761011

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional653436

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1018281

1890Money out of Thin AirNEERC 2011 Eastern Subregional664429

1891Language OceanNEERC 2011 Eastern Subregional441641

1892Morning in KoltsovoNEERC 2011 Eastern Subregional345815

1893A380NEERC 2011 Eastern Subregional512556

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1541763

1895Steaks on BoardNEERC 2011 Eastern Subregional1302065

1896War Games 2.1189852

1897Alice and Bob and a string144668

1900Brainwashing DeviceUral Championship 2012529486

1901Space ElevatorsUral Championship 2012550468

1902Neo-VeniceUral Championship 20122514104

1903Unidentified ShipsUral Championship 2012301843

1904The Lessons of the PastUral Championship 2012603427

1905Travel in TimeUral Championship 20122421040

1906The Lost CivilizationUral Championship 2012277082

1907Coffee and BunsUral Championship 20122051219

1908Brute-force SearchUral Championship 20121271913

1909Space ReconUral Championship 2012514296

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional795833

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional534151

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional263958

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1431709

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional524218

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1298200

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional773006

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1221212

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional299846

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1251937

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional398641

1921Chaos and OrderUral Regional School Programming Contest 20122161155

1922Superhero TeamUral Regional School Programming Contest 2012898287

1923Scary PoliticsUral Regional School Programming Contest 2012515497

1924Four ImpsUral Regional School Programming Contest 2012725536

1925British Scientists Save the WorldUral Regional School Programming Contest 2012409364

1926The Tournament of IntelligencesUral Regional School Programming Contest 2012267942

1927Herbs and MagicUral Regional School Programming Contest 20122501004

1928Another Ecology ProblemUral Regional School Programming Contest 2012362702

1929Teddybears are not for EveryoneUral Regional School Programming Contest 2012748344

1930Ivan's CarUral Regional School Programming Contest 20121534169

1931Excellent TeamUral FU Championship 20121692153

1932The Secret of IdentifierUral FU Championship 2012283887

1933Guns for Battle!Ural FU Championship 2012697368

1934Black SpotUral FU Championship 2012788326

1935Tears of DrownedUral FU Championship 2012352674

1936RoshamboUral FU Championship 20122331070

1937Davy Jones’s OrganUral FU Championship 20122191135

1938Caribbean TriangleUral FU Championship 2012464641

1939First SealUral FU Championship 2012330764

1940Not So Simple YearsUral FU Championship 2012329767

1941Scary Martian WordUral FU Personal Contest 2012630400

1942Attack at the OrbitUral FU Personal Contest 2012422592

1943Space RummyUral FU Personal Contest 2012306809

1944Record of the Attack at the OrbitUral FU Personal Contest 20121197212

1945Many-armed BrothersUral FU Personal Contest 2012753008

1946Chinese Hockey 3Ural FU Personal Contest 20121411693

1947MeanderUral FU Personal Contest 20121541559

1948The Robot on the LineUral FU Personal Contest 20122111157

1949The Best Picture in the GalaxyUral FU Personal Contest 20121821332

1950Martian FarmlandsUral FU Personal Contest 20121261880

1951Complex RootPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1291753

1952To Kill the DragonPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection1211073

1953Biggest Inscribed EllipsePetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection942343

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection593531

1955Boss, I Can See You!Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection683124

1956Fire SignalsPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection972277

1957MundialPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection385076

1958Algorithm of Professor IvanovPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection603481

1959GOV-internship 3Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection243963

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection558429

1961Cantonese DialectUral FU Personal Contest 2013290810

1962In Chinese RestaurantUral FU Personal Contest 2013323730

1963KiteUral FU Personal Contest 2013528452

1964Chinese DialectsUral FU Personal Contest 20131568154

1965Pear TreesUral FU Personal Contest 2013243961

1966Cycling RoadsUral FU Personal Contest 2013366647

1967Programmer CasinoUral FU Personal Contest 2013365285

1968Glass PyramidUral FU Personal Contest 20131561465

1969Hong Kong TramUral FU Personal Contest 2013832614

1970皇后像廣場Ural FU Personal Contest 20132081115

1971Graphics SettingsUral Championship 2013377620

1972Game TestingUral Championship 2013673117

1973Location GeneratorUral Championship 2013325715

1974Similar TunesUral Championship 20132181053

1975Model of the EarthUral Championship 2013454364

1976Game OptimizationUral Championship 20131931182

1977Energy WallUral Championship 2013972243

1978E-LiteUral Championship 2013732892

1979Resources DistributionUral Championship 20131901200

1980Road to InvestorUral Championship 2013389602

1981Parallel and PerpendicularUral FU Championship 2013590391

1982Electrification PlanUral FU Championship 20131822128

1983Nectar GatheringUral FU Championship 20131461502

1984Dummy GuyUral FU Championship 20131247186

1985Prime SquareUral FU Championship 20131241749

1986Paul’s SaladsUral FU Championship 20132151042

1987Nested SegmentsUral FU Championship 20131503155

1988Planet Ocean LandingUral FU Championship 20132161037

1989SubpalindromesUral FU Championship 2013750308

1990PodracingNEERC 2013 Eastern Subregional240935

1991The battle near the swampNEERC 2013 Eastern Subregional528644

1992CVSNEERC 2013 Eastern Subregional668345

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1262184

1994The Emperor's planNEERC 2013 Eastern Subregional236951

1995Illegal spicesNEERC 2013 Eastern Subregional429533

1996Cipher Message 3NEERC 2013 Eastern Subregional2011108

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional462495

1998The old PadawanNEERC 2013 Eastern Subregional703328

1999The secret moduleNEERC 2013 Eastern Subregional266495

2000Grand Theft Array VUral Regional School Programming Contest 20131645141

2001Mathematicians and BerriesUral Regional School Programming Contest 20131072022

2002Test TaskUral Regional School Programming Contest 2013342868

2003Simple MagicUral Regional School Programming Contest 2013710323

2004Scientists from SpilkovoUral Regional School Programming Contest 2013334677

2005Taxi for ProgrammersUral Regional School Programming Contest 2013280083

2006Kirill the GardenerUral Regional School Programming Contest 2013543638

2007Mutants versus MachinesUral Regional School Programming Contest 20131271699

2008SwiftyUral Regional School Programming Contest 2013236946

2009Canteen LineUral Regional School Programming Contest 2013301749

2010Sasha the Young GrandmasterUral Regional School Programming Contest 20131950119

2011Long StatementUral Regional School Programming Contest 2013253891

2012About Grisha N.NEERC 2014 Eastern Subregional1274916

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional238841

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional416490

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional779264

2016Magic and ScienceNEERC 2014 Eastern Subregional177726

2017Best of a bad lotNEERC 2014 Eastern Subregional1611220

2018The Debut AlbumNEERC 2014 Eastern Subregional209199

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional826250

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1481140

2021Scarily interesting!NEERC 2014 Eastern Subregional519394

2022Riding a ToadNEERC 2014 Eastern Subregional523365

2023Donald is a postmanNEERC 2014 Eastern Subregional571336

2024Adventure TimeUral Regional School Programming Contest 2014706290

2025Line FightingUral Regional School Programming Contest 2014290071

2026Dean and ScheduleUral Regional School Programming Contest 2014388522

2027URCAPL, Episode 1Ural Regional School Programming Contest 2014436466

2028URCAPL, Episode 2Ural Regional School Programming Contest 2014262763

2029Towers of Hanoi Strike BackUral Regional School Programming Contest 2014343588

2030Awesome Backup SystemUral Regional School Programming Contest 2014437464

2031Overturned NumbersUral Regional School Programming Contest 2014270377

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014296679

2033DevicesUral Regional School Programming Contest 20141983104

2034CaravansUral Regional School Programming Contest 2014718285

2035Another Dress RehearsalUral Regional School Programming Contest 2014297670

2036Intersect Until You're Sick of ItPetrozavodsk Summer 2014. Ural FU Dandelion Contest1331442

2037Richness of binary wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest1871046

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest792316

2039Striped SquarePetrozavodsk Summer 2014. Ural FU Dandelion Contest236247

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest260763

2041NanomatryoshkasPetrozavodsk Summer 2014. Ural FU Dandelion Contest892082

2042NikitaPetrozavodsk Summer 2014. Ural FU Dandelion Contest404123

2043Kirill the Gardener 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest384295

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest802290

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest405497

2046The First Day at SchoolUral Championship 2015428444

2047MathsUral Championship 2015448424

2048HistoryUral Championship 2015241774

2049ChemistryUral Championship 2015543036

20503D-modelingUral Championship 2015612736

2051PhysicsUral Championship 2015413809

2052Physical EducationUral Championship 20151351340

2053BiologyUral Championship 2015493293

2054AstronomyUral Championship 2015177195

2055Urban GeographyUral Championship 20151311378

2056ScholarshipUral Championship 2015443544

2057Non-palidromic cuttingPalindromic Contest 423644

2058100500 palidnromesPalindromic Contest 1101579

2059Not common palindromesPalindromic Contest 1371289

2060Subpalindrome pairsPalindromic Contest 313587

2061OEIS A216264Palindromic Contest 513106

2062Ambitious ExperimentUral Regional School Programming Contest 2015616292

2063Black and WhiteUral Regional School Programming Contest 2015420425

2064CaterpillarsUral Regional School Programming Contest 2015210831

2065Different SumsUral Regional School Programming Contest 2015674267

2066Simple ExpressionUral Regional School Programming Contest 2015671227

2067Friends and BerriesUral Regional School Programming Contest 2015640281

2068Game of NutsUral Regional School Programming Contest 2015196293

2069Hard RockUral Regional School Programming Contest 2015957189

2070Interesting NumbersUral Regional School Programming Contest 2015864209

2071Juice CocktailsUral Regional School Programming Contest 2015315562

2072Kirill the Gardener 3Ural Regional School Programming Contest 2015989183

2073Log FilesUral Regional School Programming Contest 2015898201

2074Timus problems classifierQualification of Eastern Subregional 2015197841

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015542721

2076VasianaQualification of Eastern Subregional 2015156965

2077ReductionsQualification of Eastern Subregional 2015176449

2078Bowling gameUral Championship 2016538305

2079Memory leaksUral Championship 2016254772

2080WalletUral Championship 2016249645

2081Faulty dialUral Championship 2016267603

2082PokerUral Championship 2016127573

2083The Guardian of TraditionsUral Championship 2016592421

2084Technical debtUral Championship 2016423212

2085Magic ProgrammerUral Championship 2016901670

2086Find DenisUral Championship 2016225219

2087TrainsUral Championship 2016373553

2088Nostalgic EveningUral Championship 2016195720

2089Experienced coachUral Championship 2016191831

2090Crossroads of DestinyUral FU Personal Contest 2014225146

2091Natural SelectionUral FU Personal Contest 2014730223

2092BoleroUral FU Personal Contest 20141531010

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141211257

2094Thousand ImpsUral FU Personal Contest 2014176099

2095ScrumUral FU Personal Contest 2014670242

2096All InclusiveUral FU Personal Contest 2014482839

2097Snowboarding on SpilnayaUral FU Personal Contest 2014672139

2098Lada PrioraUral FU Personal Contest 2014614264

2099Space InvaderUral FU Personal Contest 2014267594

2100Wedding DinnerUral FU Junior Championship 2016545329

2101Knight's ShieldUral FU Junior Championship 2016911542

2102Michael and CryptographyUral FU Junior Championship 20161209128

2103Corporate MailUral FU Junior Championship 20161411032

2104Game with a StripUral FU Junior Championship 2016477320

2105Alice and Bob are on BikesUral FU Junior Championship 2016670229

2106DeserializationUral FU Junior Championship 2016164895

2107Oppa Funcan StyleUral FU Junior Championship 20161031379

2108Oleg and Little PoniesUral FU Junior Championship 2016387392

2109Tourism on MarsUral FU Junior Championship 2016333454

2110Remove or MaximizeUral FU Junior Championship 2016167880

2111PlatoUniversity academic school olympiad in informatics 2019151765

2112Battle logUniversity academic school olympiad in informatics 2019147633

2113Survive the floodUniversity academic school olympiad in informatics 2019269356

2114My craftUniversity academic school olympiad in informatics 2019115795

2115The Knowledge DayUniversity academic school olympiad in informatics 2019544179

2116He is not a knight for youUniversity academic school olympiad in informatics 2019130710

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019178529

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest651297

2119Tree HullPetrozavodsk Summer 2018. t.me/umnik_team Contest124726

2120Tree Average WeightPetrozavodsk Summer 2018. t.me/umnik_team Contest571451

2121Intersection of ParabolasPetrozavodsk Summer 2018. t.me/umnik_team Contest138657

2122HammingPetrozavodsk Summer 2018. t.me/umnik_team Contest144052

2123KnapsackPetrozavodsk Summer 2018. t.me/umnik_team Contest93944

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest761131

2125Continue the SequencePetrozavodsk Summer 2018. t.me/umnik_team Contest252779

2126Partition into TeamsPetrozavodsk Summer 2018. t.me/umnik_team Contest641314

2127Determinant of a GraphPetrozavodsk Summer 2018. t.me/umnik_team Contest183473

2128Rubina's SolitaireLater is better than never97864

2129Mortgage in Far Away KingdomLater is better than never99848

2130Alice + BobLater is better than never109777

2131Open CupLater is better than never94867

2132Graph Decomposition. Version 2Later is better than never521492

2133Terms of referenceLater is better than never342102

2134StampmanLater is better than never651233

2135Pauline and commitsLater is better than never100841

2136John vs SantaLater is better than never371968

2137Dynamic string complexityLater is better than never85137

2138The Good, the Bad and the UglyUral School Programming Contest 2019856101

2139Experiment with JuiceUral School Programming Contest 2019114157

2140BitMazeCraftUral School Programming Contest 201986909

2141Sasha VilkinUral School Programming Contest 2019406210

2142MagicUral School Programming Contest 2019731118

2143Victoria!Ural School Programming Contest 2019137594

2144Cleaning the RoomUral School Programming Contest 2019360236

2145Olympiad for EveryoneUral School Programming Contest 2019273308

2146Quiz ShowUral School Programming Contest 2019150546

2147City BuildingUral School Programming Contest 2019451587

2148Insane ShotUral School Programming Contest 2019175472

2149Pigeonhole PrincipleUral School Programming Contest 2019652132

21504B and ZooUral School Programming Contest 2020471041

2151MahjongUral School Programming Contest 202079667

2152Tax FeesUral School Programming Contest 202061835

2153Perfect SquadUral School Programming Contest 202071732

2154Flight on a CannonballUral School Programming Contest 2020182118

2155QuadrocopterUral School Programming Contest 202058872

2156Interesting ConversationsUral School Programming Contest 2020110494

2157SkydivingUral School Programming Contest 2020431119