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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem9826716

1001Reverse Root3031215

1002Phone NumbersCentral European Olympiad in Informatics 19996613220

1003ParityCentral European Olympiad in Informatics 19993812382

1004Sightseeing TripCentral European Olympiad in Informatics 19992564567

1005Stone PileUSU Championship 19971752683

1006Square FramesUSU Championship 19971544937

1007Code WordsUSU Championship 19973756387

1008Image EncodingUSTU PhysTech Cup 20004126352

1009K-based NumbersUSU Championship 19971564793

1010Discrete FunctionUSTU PhysTech Cup 20005201279

1011ConductorsUSU Championship 19976055240

1012K-based Numbers. Version 28320174

1013K-based Numbers. Version 31123186

1014Product of DigitsUSU Local Contest. 19991532095

1015Test the Difference!USU Local Contest. 19993334434

1016Cube on the WalkUSU Local Contest. 19991833788

1017StaircasesUSU Local Contest. 19999420154

1018Binary Apple TreeUSU Local Contest. 19995213278

1019Line PaintingUSU Local Contest. 19993245446

1020RopeAutumn School Contest 20001461399

1021Sacrament of the SumAutumn School Contest 200010077144

1022Genealogical TreeAutumn School Contest 200010555137

1023ButtonsAutumn School Contest 20006958208

1024PermutationsAutumn School Contest 20004699308

1025Democracy in DangerAutumn School Contest 20002159367

1026Questions and AnswersAutumn School Contest 20009237157

1027D++ AgainAutumn School Contest 20002388605

1028StarsUral Championship 19995539261

1029MinistryUral Championship 19993663343

1030TitanicUral Championship 19991685853

1031Railway TicketsUral Championship 19993864373

1032Find a MultipleUral Championship 19994207299

1033LabyrinthUral Championship 19996238231

1034Queens in Peaceful PositionsUral Championship 19991856775

1035Cross-stitchUral Championship 199910811322

1036Lucky Tickets4851297

1037Memory ManagementUSU Championship 200012391147

1038Spell CheckerUSU Championship 20003076464

1039Anniversary PartyUSU Championship 20003800376

1040Airline CompanyUSU Championship 20001456977

1041NikiforUSU Championship 20006282245

1042Central HeatingUSU Championship 20001788797

1043Cover an ArcUSU Championship 20008861599

1044Lucky Tickets. Easy!USU Championship 200011947120

1045Funny GameUSU Local Contest. March 20002759511

1046Geometrical DreamsUSU Local Contest. March 20007571845

1047Simple CalculationsUSU Local Contest. March 20004916287

1048Superlong SumsUSU Local Contest. March 20007278194

1049Brave BalloonistsUSU Local Contest. March 20005857241

1050Preparing an ArticleUSU Local Contest. March 200010161379

1051Simple Game on a GridUSU Local Contest. March 20002779507

1052Rabbit HuntUSU Local Contest. March 20006174229

1053PinocchioNEERC 2000 Central Subregional4319326

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 Subregional4922807

1059ExpressionNEERC 2000 Central Subregional2177646

1060Flip GameNEERC 20003721359

1061Buffer ManagerNEERC 20002087638

1062TriathlonNEERC 20007351794

1063Domino PuzzleNEERC 20006122148

1064Binary SearchNEERC 20002123627

1065FrontierNEERC 20009771355

1066GarlandNEERC 20002400555

1067Disk TreeNEERC 20002951451

1068Sum3598137

1069Prufer CodeUSU Personal Contest 20012508516

1070Local TimeUSU Personal Contest 20012020640

1071Nikifor 2USU Personal Contest 20012158600

1072RoutingUSU Personal Contest 20012637491

1073Square CountryUSU Personal Contest 20018940145

1074Very Short ProblemUSU Personal Contest 20016192067

1075Thread in a SpaceUSU Personal Contest 20016292035

1076Trash1880684

1077Travelling Tours1171397

1078SegmentsWinter Mathematical Festival Varna 20013632353

1079MaximumWinter Mathematical Festival Varna 200111755109

1080Map ColoringWinter Mathematical Festival Varna 20015937216

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014944260

1082Gaby IvanushkaSpring School Contest 200110532121

1083Factorials!!!Spring School Contest 20011883368

1084Goat in the GardenSpring School Contest 20018634148

1085MeetingSpring School Contest 20012094606

1086CryptographySpring School Contest 200111930107

1087The Time to Take StonesSpring School Contest 20014662273

1088Ilya MurometzSpring School Contest 20011771716

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 20015332231

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 20011755686

1097Square Country 2USU Local Contest. March 20019041326

1098Questions2161533

1099Work Scheduling9551136