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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem9202816

1001Reverse Root2805615

1002Phone NumbersCentral European Olympiad in Informatics 19996406217

1003ParityCentral European Olympiad in Informatics 19993646381

1004Sightseeing TripCentral European Olympiad in Informatics 19992463564

1005Stone PileUSU Championship 19971603087

1006Square FramesUSU Championship 19971504919

1007Code WordsUSU Championship 19973640381

1008Image EncodingUSTU PhysTech Cup 20004035344

1009K-based NumbersUSU Championship 19971477394

1010Discrete FunctionUSTU PhysTech Cup 20005077273

1011ConductorsUSU Championship 19975899235

1012K-based Numbers. Version 28030173

1013K-based Numbers. Version 3918195

1014Product of DigitsUSU Local Contest. 19991404899

1015Test the Difference!USU Local Contest. 19993252425

1016Cube on the WalkUSU Local Contest. 19991781774

1017StaircasesUSU Local Contest. 19998947155

1018Binary Apple TreeUSU Local Contest. 19994812288

1019Line PaintingUSU Local Contest. 19993165437

1020RopeAutumn School Contest 200013575102

1021Sacrament of the SumAutumn School Contest 20009764142

1022Genealogical TreeAutumn School Contest 200010086137

1023ButtonsAutumn School Contest 20006759205

1024PermutationsAutumn School Contest 20004575302

1025Democracy in DangerAutumn School Contest 20002044868

1026Questions and AnswersAutumn School Contest 20009410147

1027D++ AgainAutumn School Contest 20002364584

1028StarsUral Championship 19995291261

1029MinistryUral Championship 19993547338

1030TitanicUral Championship 19991644835

1031Railway TicketsUral Championship 19993742368

1032Find a MultipleUral Championship 19994035298

1033LabyrinthUral Championship 19996007230

1034Queens in Peaceful PositionsUral Championship 19991794766

1035Cross-stitchUral Championship 199910381315

1036Lucky Tickets4664296

1037Memory ManagementUSU Championship 20001793759

1038Spell CheckerUSU Championship 20003015453

1039Anniversary PartyUSU Championship 20003643375

1040Airline CompanyUSU Championship 20001382983

1041NikiforUSU Championship 20006412103

1042Central HeatingUSU Championship 20001702800

1043Cover an ArcUSU Championship 20008601573

1044Lucky Tickets. Easy!USU Championship 200011458119

1045Funny GameUSU Local Contest. March 20002641510

1046Geometrical DreamsUSU Local Contest. March 20007321822

1047Simple CalculationsUSU Local Contest. March 20004508300

1048Superlong SumsUSU Local Contest. March 20007103190

1049Brave BalloonistsUSU Local Contest. March 20005628240

1050Preparing an ArticleUSU Local Contest. March 20009861358

1051Simple Game on a GridUSU Local Contest. March 20002731493

1052Rabbit HuntUSU Local Contest. March 20005973226

1053PinocchioNEERC 2000 Central Subregional4230318

1054Hanoi TowerNEERC 2000 Central Subregional2068650

1055CombinationsNEERC 2000 Central Subregional3387397

1056Computer NetNEERC 2000 Central Subregional2530531

1057Amount of DegreesNEERC 2000 Central Subregional1906704

1058ChocolateNEERC 2000 Central Subregional4592871

1059ExpressionNEERC 2000 Central Subregional2127632

1060Flip GameNEERC 20003569357

1061Buffer ManagerNEERC 20002069615

1062TriathlonNEERC 20006991802

1063Domino PuzzleNEERC 20005902129

1064Binary SearchNEERC 20002076613

1065FrontierNEERC 20009071394

1066GarlandNEERC 20002335545

1067Disk TreeNEERC 20002436522

1068Sum3356838

1069Prufer CodeUSU Personal Contest 20012379520

1070Local TimeUSU Personal Contest 20011981624

1071Nikifor 2USU Personal Contest 20012055602

1072RoutingUSU Personal Contest 20012574481

1073Square CountryUSU Personal Contest 20018258150

1074Very Short ProblemUSU Personal Contest 20015972047

1075Thread in a SpaceUSU Personal Contest 20015932061

1076Trash1834670

1077Travelling Tours1107401

1078SegmentsWinter Mathematical Festival Varna 20013309370

1079MaximumWinter Mathematical Festival Varna 200111239109

1080Map ColoringWinter Mathematical Festival Varna 20015080242

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014761258

1082Gaby IvanushkaSpring School Contest 200110259119

1083Factorials!!!Spring School Contest 20011778668

1084Goat in the GardenSpring School Contest 20018324146

1085MeetingSpring School Contest 20012046593

1086CryptographySpring School Contest 200111228108

1087The Time to Take StonesSpring School Contest 20014369278

1088Ilya MurometzSpring School Contest 20011711708

1089Verification with a VocabularySpring School Contest 20012669455

1090In the Army NowUSU Local Contest. March 20013328347

1091Tmutarakan ExamsUSU Local Contest. March 20012309500

1092TransversalUSU Local Contest. March 20015052249

1093DartsUSU Local Contest. March 20015931921

1094E-screenUSU Local Contest. March 20012672432

1095Nikifor 3USU Local Contest. March 20012090552

1096Get the Right Route Plate!USU Local Contest. March 20011672689

1097Square Country 2USU Local Contest. March 20018131407

1098Questions2103524

1099Work Scheduling8951158