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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem8654916

1001Reverse Root2586016

1002Phone NumbersCentral European Olympiad in Informatics 19996185216

1003ParityCentral European Olympiad in Informatics 19993472385

1004Sightseeing TripCentral European Olympiad in Informatics 19992374562

1005Stone PileUSU Championship 19971509389

1006Square FramesUSU Championship 19971463908

1007Code WordsUSU Championship 19973530378

1008Image EncodingUSTU PhysTech Cup 20003941339

1009K-based NumbersUSU Championship 19971404195

1010Discrete FunctionUSTU PhysTech Cup 20004962269

1011ConductorsUSU Championship 19975738233

1012K-based Numbers. Version 27724173

1013K-based Numbers. Version 3730211

1014Product of DigitsUSU Local Contest. 199913138101

1015Test the Difference!USU Local Contest. 19993163421

1016Cube on the WalkUSU Local Contest. 19991709776

1017StaircasesUSU Local Contest. 19998543156

1018Binary Apple TreeUSU Local Contest. 19994595290

1019Line PaintingUSU Local Contest. 19993011442

1020RopeAutumn School Contest 200012901103

1021Sacrament of the SumAutumn School Contest 20009424141

1022Genealogical TreeAutumn School Contest 20009721137

1023ButtonsAutumn School Contest 20006518204

1024PermutationsAutumn School Contest 20004423301

1025Democracy in DangerAutumn School Contest 20001940169

1026Questions and AnswersAutumn School Contest 20009073147

1027D++ AgainAutumn School Contest 20002305576

1028StarsUral Championship 19994986266

1029MinistryUral Championship 19993437336

1030TitanicUral Championship 19991570841

1031Railway TicketsUral Championship 19993641364

1032Find a MultipleUral Championship 19993879298

1033LabyrinthUral Championship 19995809228

1034Queens in Peaceful PositionsUral Championship 19991746756

1035Cross-stitchUral Championship 199910101300

1036Lucky Tickets4445298

1037Memory ManagementUSU Championship 20001734755

1038Spell CheckerUSU Championship 20002951445

1039Anniversary PartyUSU Championship 20003470378

1040Airline CompanyUSU Championship 20001332981

1041NikiforUSU Championship 20006232080

1042Central HeatingUSU Championship 20001634801

1043Cover an ArcUSU Championship 20008241578

1044Lucky Tickets. Easy!USU Championship 200011043119

1045Funny GameUSU Local Contest. March 20002523514

1046Geometrical DreamsUSU Local Contest. March 20006971839

1047Simple CalculationsUSU Local Contest. March 20004411294

1048Superlong SumsUSU Local Contest. March 20006904188

1049Brave BalloonistsUSU Local Contest. March 20005439239

1050Preparing an ArticleUSU Local Contest. March 20009401369

1051Simple Game on a GridUSU Local Contest. March 20002675484

1052Rabbit HuntUSU Local Contest. March 20005779225

1053PinocchioNEERC 2000 Central Subregional4146312

1054Hanoi TowerNEERC 2000 Central Subregional1978653

1055CombinationsNEERC 2000 Central Subregional3292393

1056Computer NetNEERC 2000 Central Subregional2436531

1057Amount of DegreesNEERC 2000 Central Subregional1830705

1058ChocolateNEERC 2000 Central Subregional4362904

1059ExpressionNEERC 2000 Central Subregional2073623

1060Flip GameNEERC 20003455355

1061Buffer ManagerNEERC 20002022605

1062TriathlonNEERC 20006761792

1063Domino PuzzleNEERC 20005692122

1064Binary SearchNEERC 20002034602

1065FrontierNEERC 20008751390

1066GarlandNEERC 20002273538

1067Disk TreeNEERC 20002188559

1068Sum3120039

1069Prufer CodeUSU Personal Contest 20012273524

1070Local TimeUSU Personal Contest 20011915621

1071Nikifor 2USU Personal Contest 20011992597

1072RoutingUSU Personal Contest 20012497477

1073Square CountryUSU Personal Contest 20017791153

1074Very Short ProblemUSU Personal Contest 20015712058

1075Thread in a SpaceUSU Personal Contest 20015012340

1076Trash1786662

1077Travelling Tours1047408

1078SegmentsWinter Mathematical Festival Varna 20013167372

1079MaximumWinter Mathematical Festival Varna 200110617111

1080Map ColoringWinter Mathematical Festival Varna 20014692252

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014615256

1082Gaby IvanushkaSpring School Contest 20019930118

1083Factorials!!!Spring School Contest 20011655471

1084Goat in the GardenSpring School Contest 20018016146

1085MeetingSpring School Contest 20011992586

1086CryptographySpring School Contest 200110533111

1087The Time to Take StonesSpring School Contest 20014242276

1088Ilya MurometzSpring School Contest 20011653705

1089Verification with a VocabularySpring School Contest 20012600449

1090In the Army NowUSU Local Contest. March 20013117356

1091Tmutarakan ExamsUSU Local Contest. March 20012229498

1092TransversalUSU Local Contest. March 20014792279

1093DartsUSU Local Contest. March 20015681928

1094E-screenUSU Local Contest. March 20012610425

1095Nikifor 3USU Local Contest. March 20012035545

1096Get the Right Route Plate!USU Local Contest. March 20011626681

1097Square Country 2USU Local Contest. March 20017941386

1098Questions2053516

1099Work Scheduling8401187