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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7735917

1001Reverse Root2236717

1002Phone NumbersCentral European Olympiad in Informatics 19995879213

1003ParityCentral European Olympiad in Informatics 19993270383

1004Sightseeing TripCentral European Olympiad in Informatics 19992263553

1005Stone PileUSU Championship 19971367992

1006Square FramesUSU Championship 19971418879

1007Code WordsUSU Championship 19973409367

1008Image EncodingUSTU PhysTech Cup 20003792330

1009K-based NumbersUSU Championship 19971292697

1010Discrete FunctionUSTU PhysTech Cup 20004787261

1011ConductorsUSU Championship 19975502228

1012K-based Numbers. Version 27226173

1013K-based Numbers. Version 3468246

1014Product of DigitsUSU Local Contest. 199911923105

1015Test the Difference!USU Local Contest. 19993062407

1016Cube on the WalkUSU Local Contest. 19991647755

1017StaircasesUSU Local Contest. 19997827160

1018Binary Apple TreeUSU Local Contest. 19994301290

1019Line PaintingUSU Local Contest. 19992852437

1020RopeAutumn School Contest 200011974104

1021Sacrament of the SumAutumn School Contest 20008927140

1022Genealogical TreeAutumn School Contest 20009191136

1023ButtonsAutumn School Contest 20006171202

1024PermutationsAutumn School Contest 20004227295

1025Democracy in DangerAutumn School Contest 20001771370

1026Questions and AnswersAutumn School Contest 20008548146

1027D++ AgainAutumn School Contest 20002213562

1028StarsUral Championship 19994654267

1029MinistryUral Championship 19993261332

1030TitanicUral Championship 19991526811

1031Railway TicketsUral Championship 19993493356

1032Find a MultipleUral Championship 19993713292

1033LabyrinthUral Championship 19995399230

1034Queens in Peaceful PositionsUral Championship 19991691732

1035Cross-stitchUral Championship 19999781258

1036Lucky Tickets4168298

1037Memory ManagementUSU Championship 20001661739

1038Spell CheckerUSU Championship 20002861430

1039Anniversary PartyUSU Championship 20003243380

1040Airline CompanyUSU Championship 20001254977

1041NikiforUSU Championship 20005892061

1042Central HeatingUSU Championship 20001545794

1043Cover an ArcUSU Championship 20008021520

1044Lucky Tickets. Easy!USU Championship 200010418118

1045Funny GameUSU Local Contest. March 20002340519

1046Geometrical DreamsUSU Local Contest. March 20006771776

1047Simple CalculationsUSU Local Contest. March 20004286284

1048Superlong SumsUSU Local Contest. March 20006573185

1049Brave BalloonistsUSU Local Contest. March 20005165236

1050Preparing an ArticleUSU Local Contest. March 20008971345

1051Simple Game on a GridUSU Local Contest. March 20002582471

1052Rabbit HuntUSU Local Contest. March 20005495222

1053PinocchioNEERC 2000 Central Subregional4017302

1054Hanoi TowerNEERC 2000 Central Subregional1916632

1055CombinationsNEERC 2000 Central Subregional3190381

1056Computer NetNEERC 2000 Central Subregional2326521

1057Amount of DegreesNEERC 2000 Central Subregional1735698

1058ChocolateNEERC 2000 Central Subregional4102892

1059ExpressionNEERC 2000 Central Subregional2018600

1060Flip GameNEERC 20003330346

1061Buffer ManagerNEERC 20001959586

1062TriathlonNEERC 20006531740

1063Domino PuzzleNEERC 20005442081

1064Binary SearchNEERC 20001973582

1065FrontierNEERC 20008491343

1066GarlandNEERC 20002205521

1067Disk TreeNEERC 20001978580

1068Sum2763142

1069Prufer CodeUSU Personal Contest 20012117528

1070Local TimeUSU Personal Contest 20011857601

1071Nikifor 2USU Personal Contest 20011921581

1072RoutingUSU Personal Contest 20012345476

1073Square CountryUSU Personal Contest 20017160156

1074Very Short ProblemUSU Personal Contest 20015282085

1075Thread in a SpaceUSU Personal Contest 200110661043

1076Trash1716647

1077Travelling Tours989406

1078SegmentsWinter Mathematical Festival Varna 20012985371

1079MaximumWinter Mathematical Festival Varna 20019802113

1080Map ColoringWinter Mathematical Festival Varna 20014332256

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014365254

1082Gaby IvanushkaSpring School Contest 20019508116

1083Factorials!!!Spring School Contest 20011490474

1084Goat in the GardenSpring School Contest 20017461147

1085MeetingSpring School Contest 20011911573

1086CryptographySpring School Contest 20019468116

1087The Time to Take StonesSpring School Contest 20014057271

1088Ilya MurometzSpring School Contest 20011607681

1089Verification with a VocabularySpring School Contest 20012505438

1090In the Army NowUSU Local Contest. March 20012941355

1091Tmutarakan ExamsUSU Local Contest. March 20012143486

1092TransversalUSU Local Contest. March 20014542255

1093DartsUSU Local Contest. March 20015491872

1094E-screenUSU Local Contest. March 20012511415

1095Nikifor 3USU Local Contest. March 20012062505

1096Get the Right Route Plate!USU Local Contest. March 20011560666

1097Square Country 2USU Local Contest. March 20017691343

1098Questions1960508

1099Work Scheduling7621227