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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7702917

1001Reverse Root2223817

1002Phone NumbersCentral European Olympiad in Informatics 19995872213

1003ParityCentral European Olympiad in Informatics 19993255384

1004Sightseeing TripCentral European Olympiad in Informatics 19992260552

1005Stone PileUSU Championship 19971362492

1006Square FramesUSU Championship 19971413879

1007Code WordsUSU Championship 19973405366

1008Image EncodingUSTU PhysTech Cup 20003787329

1009K-based NumbersUSU Championship 19971287997

1010Discrete FunctionUSTU PhysTech Cup 20004780261

1011ConductorsUSU Championship 19975493227

1012K-based Numbers. Version 27208173

1013K-based Numbers. Version 3455249

1014Product of DigitsUSU Local Contest. 199911867105

1015Test the Difference!USU Local Contest. 19993055407

1016Cube on the WalkUSU Local Contest. 19991643754

1017StaircasesUSU Local Contest. 19997794160

1018Binary Apple TreeUSU Local Contest. 19994286290

1019Line PaintingUSU Local Contest. 19992837438

1020RopeAutumn School Contest 200011923104

1021Sacrament of the SumAutumn School Contest 20008890140

1022Genealogical TreeAutumn School Contest 20009151136

1023ButtonsAutumn School Contest 20006152202

1024PermutationsAutumn School Contest 20004219294

1025Democracy in DangerAutumn School Contest 20001765171

1026Questions and AnswersAutumn School Contest 20008520146

1027D++ AgainAutumn School Contest 20002206562

1028StarsUral Championship 19994644267

1029MinistryUral Championship 19993252332

1030TitanicUral Championship 19991524809

1031Railway TicketsUral Championship 19993481356

1032Find a MultipleUral Championship 19993701292

1033LabyrinthUral Championship 19995388230

1034Queens in Peaceful PositionsUral Championship 19991687732

1035Cross-stitchUral Championship 19999781254

1036Lucky Tickets4160298

1037Memory ManagementUSU Championship 20001657738

1038Spell CheckerUSU Championship 20002855430

1039Anniversary PartyUSU Championship 20003235379

1040Airline CompanyUSU Championship 20001248978

1041NikiforUSU Championship 20005862065

1042Central HeatingUSU Championship 20001543792

1043Cover an ArcUSU Championship 20008001519

1044Lucky Tickets. Easy!USU Championship 200010392118

1045Funny GameUSU Local Contest. March 20002335519

1046Geometrical DreamsUSU Local Contest. March 20006751775

1047Simple CalculationsUSU Local Contest. March 20004281284

1048Superlong SumsUSU Local Contest. March 20006556185

1049Brave BalloonistsUSU Local Contest. March 20005151236

1050Preparing an ArticleUSU Local Contest. March 20008941345

1051Simple Game on a GridUSU Local Contest. March 20002578470

1052Rabbit HuntUSU Local Contest. March 20005476222

1053PinocchioNEERC 2000 Central Subregional4012302

1054Hanoi TowerNEERC 2000 Central Subregional1911632

1055CombinationsNEERC 2000 Central Subregional3183380

1056Computer NetNEERC 2000 Central Subregional2321521

1057Amount of DegreesNEERC 2000 Central Subregional1722701

1058ChocolateNEERC 2000 Central Subregional4082897

1059ExpressionNEERC 2000 Central Subregional2010601

1060Flip GameNEERC 20003325345

1061Buffer ManagerNEERC 20001955585

1062TriathlonNEERC 20006521737

1063Domino PuzzleNEERC 20005432078

1064Binary SearchNEERC 20001969581

1065FrontierNEERC 20008481341

1066GarlandNEERC 20002201520

1067Disk TreeNEERC 20001975579

1068Sum2751042

1069Prufer CodeUSU Personal Contest 20012114527

1070Local TimeUSU Personal Contest 20011852601

1071Nikifor 2USU Personal Contest 20011916581

1072RoutingUSU Personal Contest 20012340476

1073Square CountryUSU Personal Contest 20017130157

1074Very Short ProblemUSU Personal Contest 20015262086

1075Thread in a SpaceUSU Personal Contest 200110651040

1076Trash1714645

1077Travelling Tours987406

1078SegmentsWinter Mathematical Festival Varna 20012975371

1079MaximumWinter Mathematical Festival Varna 20019772113

1080Map ColoringWinter Mathematical Festival Varna 20014310256

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014344254

1082Gaby IvanushkaSpring School Contest 20019483116

1083Factorials!!!Spring School Contest 20011481074

1084Goat in the GardenSpring School Contest 20017436147

1085MeetingSpring School Contest 20011908572

1086CryptographySpring School Contest 20019420116

1087The Time to Take StonesSpring School Contest 20014046270

1088Ilya MurometzSpring School Contest 20011600681

1089Verification with a VocabularySpring School Contest 20012501437

1090In the Army NowUSU Local Contest. March 20012934354

1091Tmutarakan ExamsUSU Local Contest. March 20012139485

1092TransversalUSU Local Contest. March 20014512262

1093DartsUSU Local Contest. March 20015481869

1094E-screenUSU Local Contest. March 20012506414

1095Nikifor 3USU Local Contest. March 20012061504

1096Get the Right Route Plate!USU Local Contest. March 20011559665

1097Square Country 2USU Local Contest. March 20017691339

1098Questions1956507

1099Work Scheduling7551234