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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem9538516

1001Reverse Root2928715

1002Phone NumbersCentral European Olympiad in Informatics 19996502219

1003ParityCentral European Olympiad in Informatics 19993749380

1004Sightseeing TripCentral European Olympiad in Informatics 19992523565

1005Stone PileUSU Championship 19971685385

1006Square FramesUSU Championship 19971524931

1007Code WordsUSU Championship 19973714384

1008Image EncodingUSTU PhysTech Cup 20004083349

1009K-based NumbersUSU Championship 19971530693

1010Discrete FunctionUSTU PhysTech Cup 20005144277

1011ConductorsUSU Championship 19975980238

1012K-based Numbers. Version 28190174

1013K-based Numbers. Version 31049187

1014Product of DigitsUSU Local Contest. 19991469197

1015Test the Difference!USU Local Contest. 19993294431

1016Cube on the WalkUSU Local Contest. 19991807783

1017StaircasesUSU Local Contest. 19999294153

1018Binary Apple TreeUSU Local Contest. 19995083279

1019Line PaintingUSU Local Contest. 19993209442

1020RopeAutumn School Contest 200014234100

1021Sacrament of the SumAutumn School Contest 20009941143

1022Genealogical TreeAutumn School Contest 200010380137

1023ButtonsAutumn School Contest 20006876206

1024PermutationsAutumn School Contest 20004638306

1025Democracy in DangerAutumn School Contest 20002105667

1026Questions and AnswersAutumn School Contest 20009041157

1027D++ AgainAutumn School Contest 20002396591

1028StarsUral Championship 19995430261

1029MinistryUral Championship 19993605342

1030TitanicUral Championship 19991665846

1031Railway TicketsUral Championship 19993823370

1032Find a MultipleUral Championship 19994143297

1033LabyrinthUral Championship 19996143230

1034Queens in Peaceful PositionsUral Championship 19991844765

1035Cross-stitchUral Championship 199910571326

1036Lucky Tickets4769297

1037Memory ManagementUSU Championship 200012071154

1038Spell CheckerUSU Championship 20003041460

1039Anniversary PartyUSU Championship 20003726376

1040Airline CompanyUSU Championship 20001430975

1041NikiforUSU Championship 20006552112

1042Central HeatingUSU Championship 20001740803

1043Cover an ArcUSU Championship 20008731591

1044Lucky Tickets. Easy!USU Championship 200011709120

1045Funny GameUSU Local Contest. March 20002726508

1046Geometrical DreamsUSU Local Contest. March 20007501826

1047Simple CalculationsUSU Local Contest. March 20004719294

1048Superlong SumsUSU Local Contest. March 20007193192

1049Brave BalloonistsUSU Local Contest. March 20005775240

1050Preparing an ArticleUSU Local Contest. March 200010061366

1051Simple Game on a GridUSU Local Contest. March 20002750503

1052Rabbit HuntUSU Local Contest. March 20006099227

1053PinocchioNEERC 2000 Central Subregional4280323

1054Tower of HanoiNEERC 2000 Central Subregional2098657

1055CombinationsNEERC 2000 Central Subregional3446401

1056Centers of the NetNEERC 2000 Central Subregional2594532

1057Amount of DegreesNEERC 2000 Central Subregional1962702

1058ChocolateNEERC 2000 Central Subregional4792826

1059ExpressionNEERC 2000 Central Subregional2159639

1060Flip GameNEERC 20003672356

1061Buffer ManagerNEERC 20002070631

1062TriathlonNEERC 20007191798

1063Domino PuzzleNEERC 20006022141

1064Binary SearchNEERC 20002104621

1065FrontierNEERC 20009451374

1066GarlandNEERC 20002377549

1067Disk TreeNEERC 20002697484

1068Sum3482838

1069Prufer CodeUSU Personal Contest 20012467515

1070Local TimeUSU Personal Contest 20012002634

1071Nikifor 2USU Personal Contest 20012127597

1072RoutingUSU Personal Contest 20012611486

1073Square CountryUSU Personal Contest 20018682147

1074Very Short ProblemUSU Personal Contest 20016082063

1075Thread in a SpaceUSU Personal Contest 20016152040

1076Trash1859678

1077Travelling Tours1142399

1078SegmentsWinter Mathematical Festival Varna 20013539355

1079MaximumWinter Mathematical Festival Varna 200111498110

1080Map ColoringWinter Mathematical Festival Varna 20015507229

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014871258

1082Gaby IvanushkaSpring School Contest 200110386120

1083Factorials!!!Spring School Contest 20011836968

1084Goat in the GardenSpring School Contest 20018488147

1085MeetingSpring School Contest 20012070601

1086CryptographySpring School Contest 200111611108

1087The Time to Take StonesSpring School Contest 20014569273

1088Ilya MurometzSpring School Contest 20011761706

1089Verification with a VocabularySpring School Contest 20012693463

1090In the Army NowUSU Local Contest. March 20013394349

1091Tmutarakan ExamsUSU Local Contest. March 20012303514

1092TransversalUSU Local Contest. March 20015242225

1093DartsUSU Local Contest. March 20016051932

1094E-screenUSU Local Contest. March 20012705438

1095Nikifor 3USU Local Contest. March 20012128556

1096Get the Right Route Plate!USU Local Contest. March 20011727684

1097Square Country 2USU Local Contest. March 20018781338

1098Questions2141528

1099Work Scheduling9341139