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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem10053716

1001Reverse Root3121815

1002Phone NumbersCentral European Olympiad in Informatics 19996673222

1003ParityCentral European Olympiad in Informatics 19993869382

1004Sightseeing TripCentral European Olympiad in Informatics 19992561577

1005Stone PileUSU Championship 19971792683

1006Square FramesUSU Championship 19971551949

1007Code WordsUSU Championship 19973780391

1008Image EncodingUSTU PhysTech Cup 20004149356

1009K-based NumbersUSU Championship 19971593693

1010Discrete FunctionUSTU PhysTech Cup 20005240282

1011ConductorsUSU Championship 19976091243

1012K-based Numbers. Version 28425175

1013K-based Numbers. Version 31162190

1014Product of DigitsUSU Local Contest. 19991563094

1015Test the Difference!USU Local Contest. 19993349440

1016Cube on the WalkUSU Local Contest. 19991846795

1017StaircasesUSU Local Contest. 19999540155

1018Binary Apple TreeUSU Local Contest. 19995381274

1019Line PaintingUSU Local Contest. 19993264451

1020RopeAutumn School Contest 20001485699

1021Sacrament of the SumAutumn School Contest 200010182145

1022Genealogical TreeAutumn School Contest 200010647138

1023ButtonsAutumn School Contest 20007026210

1024PermutationsAutumn School Contest 20004742310

1025Democracy in DangerAutumn School Contest 20002202367

1026Questions and AnswersAutumn School Contest 20009440156

1027D++ AgainAutumn School Contest 20002400612

1028StarsUral Championship 19995587263

1029MinistryUral Championship 19993699345

1030TitanicUral Championship 19991692864

1031Railway TicketsUral Championship 19993889377

1032Find a MultipleUral Championship 19994292297

1033LabyrinthUral Championship 19996367231

1034Queens in Peaceful PositionsUral Championship 19991866783

1035Cross-stitchUral Championship 199911041317

1036Lucky Tickets4910299

1037Memory ManagementUSU Championship 200012451160

1038Spell CheckerUSU Championship 20003096469

1039Anniversary PartyUSU Championship 20003844378

1040Airline CompanyUSU Championship 20001468985

1041NikiforUSU Championship 20006392244

1042Central HeatingUSU Championship 20001813799

1043Cover an ArcUSU Championship 20008981604

1044Lucky Tickets. Easy!USU Championship 200012121120

1045Funny GameUSU Local Contest. March 20002785515

1046Geometrical DreamsUSU Local Contest. March 20007651856

1047Simple CalculationsUSU Local Contest. March 20004956290

1048Superlong SumsUSU Local Contest. March 20007345195

1049Brave BalloonistsUSU Local Contest. March 20005906243

1050Preparing an ArticleUSU Local Contest. March 200010211395

1051Simple Game on a GridUSU Local Contest. March 20002796513

1052Rabbit HuntUSU Local Contest. March 20006218231

1053PinocchioNEERC 2000 Central Subregional4345330

1054Tower of HanoiNEERC 2000 Central Subregional2192652

1055CombinationsNEERC 2000 Central Subregional3504409

1056Centers of the NetNEERC 2000 Central Subregional2646541

1057Amount of DegreesNEERC 2000 Central Subregional2016709

1058ChocolateNEERC 2000 Central Subregional5082766

1059ExpressionNEERC 2000 Central Subregional2189653

1060Flip GameNEERC 20003742362

1061Buffer ManagerNEERC 20002103644

1062TriathlonNEERC 20007451800

1063Domino PuzzleNEERC 20006172167

1064Binary SearchNEERC 20002133635

1065FrontierNEERC 20009831369

1066GarlandNEERC 20002421559

1067Disk TreeNEERC 20003026447

1068Sum3683537

1069Prufer CodeUSU Personal Contest 20012528521

1070Local TimeUSU Personal Contest 20012031648

1071Nikifor 2USU Personal Contest 20012175605

1072RoutingUSU Personal Contest 20012709486

1073Square CountryUSU Personal Contest 20019193144

1074Very Short ProblemUSU Personal Contest 20016242084

1075Thread in a SpaceUSU Personal Contest 20016442021

1076Trash1889692

1077Travelling Tours1183399

1078SegmentsWinter Mathematical Festival Varna 20013784345

1079MaximumWinter Mathematical Festival Varna 200111921110

1080Map ColoringWinter Mathematical Festival Varna 20016038216

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014994261

1082Gaby IvanushkaSpring School Contest 200110640122

1083Factorials!!!Spring School Contest 20011924267

1084Goat in the GardenSpring School Contest 20018737148

1085MeetingSpring School Contest 20012111611

1086CryptographySpring School Contest 200112215106

1087The Time to Take StonesSpring School Contest 20014834268

1088Ilya MurometzSpring School Contest 20011784722

1089Verification with the DictionarySpring School Contest 20011552830

1090In the Army NowUSU Local Contest. March 20013542347

1091Tmutarakan ExamsUSU Local Contest. March 20012355521

1092TransversalUSU Local Contest. March 20015332268

1093DartsUSU Local Contest. March 20016171964

1094E-screenUSU Local Contest. March 20012747447

1095Nikifor 3USU Local Contest. March 20012191560

1096Get the Right Route Plate!USU Local Contest. March 20011764694

1097Square Country 2USU Local Contest. March 20019101339

1098Questions2174539

1099Work Scheduling9631145