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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7462717

1001Reverse Root2141817

1002Phone NumbersCentral European Olympiad in Informatics 19995775212

1003ParityCentral European Olympiad in Informatics 19993193384

1004Sightseeing TripCentral European Olympiad in Informatics 19992212553

1005Stone PileUSU Championship 19971325993

1006Square FramesUSU Championship 19971392875

1007Code WordsUSU Championship 19973353365

1008Image EncodingUSTU PhysTech Cup 20003746327

1009K-based NumbersUSU Championship 19971257697

1010Discrete FunctionUSTU PhysTech Cup 20004726259

1011ConductorsUSU Championship 19975420226

1012K-based Numbers. Version 27067173

1013K-based Numbers. Version 3377271

1014Product of DigitsUSU Local Contest. 199911572106

1015Test the Difference!USU Local Contest. 19993029403

1016Cube on the WalkUSU Local Contest. 19991616752

1017StaircasesUSU Local Contest. 19997566162

1018Binary Apple TreeUSU Local Contest. 19994200291

1019Line PaintingUSU Local Contest. 19992785438

1020RopeAutumn School Contest 200011667105

1021Sacrament of the SumAutumn School Contest 20008734140

1022Genealogical TreeAutumn School Contest 20008973136

1023ButtonsAutumn School Contest 20006066201

1024PermutationsAutumn School Contest 20004165293

1025Democracy in DangerAutumn School Contest 20001725371

1026Questions and AnswersAutumn School Contest 20008397145

1027D++ AgainAutumn School Contest 20002174559

1028StarsUral Championship 19994560267

1029MinistryUral Championship 19993190332

1030TitanicUral Championship 19991503805

1031Railway TicketsUral Championship 19993432354

1032Find a MultipleUral Championship 19993659290

1033LabyrinthUral Championship 19995323228

1034Queens in Peaceful PositionsUral Championship 19991675723

1035Cross-stitchUral Championship 19999691242

1036Lucky Tickets4060299

1037Memory ManagementUSU Championship 20001634734

1038Spell CheckerUSU Championship 20002832425

1039Anniversary PartyUSU Championship 20003166380

1040Airline CompanyUSU Championship 20001231973

1041NikiforUSU Championship 20005752064

1042Central HeatingUSU Championship 20001523788

1043Cover an ArcUSU Championship 20007901509

1044Lucky Tickets. Easy!USU Championship 200010239118

1045Funny GameUSU Local Contest. March 20002287520

1046Geometrical DreamsUSU Local Contest. March 20006691757

1047Simple CalculationsUSU Local Contest. March 20004243281

1048Superlong SumsUSU Local Contest. March 20006464184

1049Brave BalloonistsUSU Local Contest. March 20005068235

1050Preparing an ArticleUSU Local Contest. March 20008861332

1051Simple Game on a GridUSU Local Contest. March 20002557465

1052Rabbit HuntUSU Local Contest. March 20005386221

1053PinocchioNEERC 2000 Central Subregional3981298

1054Hanoi TowerNEERC 2000 Central Subregional1895625

1055CombinationsNEERC 2000 Central Subregional3156376

1056Computer NetNEERC 2000 Central Subregional2294517

1057Amount of DegreesNEERC 2000 Central Subregional1694699

1058ChocolateNEERC 2000 Central Subregional3962927

1059ExpressionNEERC 2000 Central Subregional1995594

1060Flip GameNEERC 20003286343

1061Buffer ManagerNEERC 20001940579

1062TriathlonNEERC 20006451723

1063Domino PuzzleNEERC 20005382058

1064Binary SearchNEERC 20001953575

1065FrontierNEERC 20008351336

1066GarlandNEERC 20002183514

1067Disk TreeNEERC 20001883596

1068Sum2668142

1069Prufer CodeUSU Personal Contest 20012072527

1070Local TimeUSU Personal Contest 20011838594

1071Nikifor 2USU Personal Contest 20011894576

1072RoutingUSU Personal Contest 20012315472

1073Square CountryUSU Personal Contest 20016940158

1074Very Short ProblemUSU Personal Contest 20015142095

1075Thread in a SpaceUSU Personal Contest 200110511035

1076Trash1699639

1077Travelling Tours962408

1078SegmentsWinter Mathematical Festival Varna 20012897374

1079MaximumWinter Mathematical Festival Varna 20019559113

1080Map ColoringWinter Mathematical Festival Varna 20014185259

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014248255

1082Gaby IvanushkaSpring School Contest 20019358115

1083Factorials!!!Spring School Contest 20011442575

1084Goat in the GardenSpring School Contest 20017310147

1085MeetingSpring School Contest 20011882569

1086CryptographySpring School Contest 20019123118

1087The Time to Take StonesSpring School Contest 20013980270

1088Ilya MurometzSpring School Contest 20011589673

1089Verification with a VocabularySpring School Contest 20012480432

1090In the Army NowUSU Local Contest. March 20012896352

1091Tmutarakan ExamsUSU Local Contest. March 20012115482

1092TransversalUSU Local Contest. March 20014682141

1093DartsUSU Local Contest. March 20015401861

1094E-screenUSU Local Contest. March 20012487410

1095Nikifor 3USU Local Contest. March 20012038500

1096Get the Right Route Plate!USU Local Contest. March 20011540660

1097Square Country 2USU Local Contest. March 20017601329

1098Questions1940502

1099Work Scheduling7321249