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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7582517

1001Reverse Root2182617

1002Phone NumbersCentral European Olympiad in Informatics 19995835212

1003ParityCentral European Olympiad in Informatics 19993228383

1004Sightseeing TripCentral European Olympiad in Informatics 19992248549

1005Stone PileUSU Championship 19971341592

1006Square FramesUSU Championship 19971401878

1007Code WordsUSU Championship 19973381365

1008Image EncodingUSTU PhysTech Cup 20003764328

1009K-based NumbersUSU Championship 19971273697

1010Discrete FunctionUSTU PhysTech Cup 20004754260

1011ConductorsUSU Championship 19975462226

1012K-based Numbers. Version 27143173

1013K-based Numbers. Version 3416258

1014Product of DigitsUSU Local Contest. 199911724105

1015Test the Difference!USU Local Contest. 19993039405

1016Cube on the WalkUSU Local Contest. 19991630753

1017StaircasesUSU Local Contest. 19997678161

1018Binary Apple TreeUSU Local Contest. 19994243290

1019Line PaintingUSU Local Contest. 19992809438

1020RopeAutumn School Contest 200011805104

1021Sacrament of the SumAutumn School Contest 20008813140

1022Genealogical TreeAutumn School Contest 20009068136

1023ButtonsAutumn School Contest 20006110201

1024PermutationsAutumn School Contest 20004193293

1025Democracy in DangerAutumn School Contest 20001745771

1026Questions and AnswersAutumn School Contest 20008460146

1027D++ AgainAutumn School Contest 20002195559

1028StarsUral Championship 19994613266

1029MinistryUral Championship 19993213333

1030TitanicUral Championship 19991515806

1031Railway TicketsUral Championship 19993453355

1032Find a MultipleUral Championship 19993683291

1033LabyrinthUral Championship 19995362229

1034Queens in Peaceful PositionsUral Championship 19991683726

1035Cross-stitchUral Championship 19999751246

1036Lucky Tickets4108299

1037Memory ManagementUSU Championship 20001649734

1038Spell CheckerUSU Championship 20002849426

1039Anniversary PartyUSU Championship 20003207379

1040Airline CompanyUSU Championship 20001243972

1041NikiforUSU Championship 20005832055

1042Central HeatingUSU Championship 20001536788

1043Cover an ArcUSU Championship 20007951514

1044Lucky Tickets. Easy!USU Championship 200010319118

1045Funny GameUSU Local Contest. March 20002317518

1046Geometrical DreamsUSU Local Contest. March 20006731763

1047Simple CalculationsUSU Local Contest. March 20004265282

1048Superlong SumsUSU Local Contest. March 20006518184

1049Brave BalloonistsUSU Local Contest. March 20005116235

1050Preparing an ArticleUSU Local Contest. March 20008921335

1051Simple Game on a GridUSU Local Contest. March 20002571466

1052Rabbit HuntUSU Local Contest. March 20005435221

1053PinocchioNEERC 2000 Central Subregional3995300

1054Hanoi TowerNEERC 2000 Central Subregional1905628

1055CombinationsNEERC 2000 Central Subregional3172378

1056Computer NetNEERC 2000 Central Subregional2314517

1057Amount of DegreesNEERC 2000 Central Subregional1707700

1058ChocolateNEERC 2000 Central Subregional4042896

1059ExpressionNEERC 2000 Central Subregional2001598

1060Flip GameNEERC 20003308343

1061Buffer ManagerNEERC 20001947582

1062TriathlonNEERC 20006481730

1063Domino PuzzleNEERC 20005412065

1064Binary SearchNEERC 20001960578

1065FrontierNEERC 20008431335

1066GarlandNEERC 20002194516

1067Disk TreeNEERC 20001904595

1068Sum2708542

1069Prufer CodeUSU Personal Contest 20012096526

1070Local TimeUSU Personal Contest 20011848596

1071Nikifor 2USU Personal Contest 20011906578

1072RoutingUSU Personal Contest 20012329474

1073Square CountryUSU Personal Contest 20017053157

1074Very Short ProblemUSU Personal Contest 20015182098

1075Thread in a SpaceUSU Personal Contest 200110601035

1076Trash1708641

1077Travelling Tours976406

1078SegmentsWinter Mathematical Festival Varna 20012944371

1079MaximumWinter Mathematical Festival Varna 20019657113

1080Map ColoringWinter Mathematical Festival Varna 20014234258

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014299254

1082Gaby IvanushkaSpring School Contest 20019421115

1083Factorials!!!Spring School Contest 20011462074

1084Goat in the GardenSpring School Contest 20017369147

1085MeetingSpring School Contest 20011893571

1086CryptographySpring School Contest 20019271117

1087The Time to Take StonesSpring School Contest 20014019270

1088Ilya MurometzSpring School Contest 20011594677

1089Verification with a VocabularySpring School Contest 20012494434

1090In the Army NowUSU Local Contest. March 20012917353

1091Tmutarakan ExamsUSU Local Contest. March 20012126484

1092TransversalUSU Local Contest. March 20014502245

1093DartsUSU Local Contest. March 20015461858

1094E-screenUSU Local Contest. March 20012493413

1095Nikifor 3USU Local Contest. March 20012050501

1096Get the Right Route Plate!USU Local Contest. March 20011549662

1097Square Country 2USU Local Contest. March 20017661331

1098Questions1950504

1099Work Scheduling7391248