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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem9136516

1001Reverse Root2775215

1002Phone NumbersCentral European Olympiad in Informatics 19996367217

1003ParityCentral European Olympiad in Informatics 19993619382

1004Sightseeing TripCentral European Olympiad in Informatics 19992451563

1005Stone PileUSU Championship 19971589787

1006Square FramesUSU Championship 19971498917

1007Code WordsUSU Championship 19973623381

1008Image EncodingUSTU PhysTech Cup 20004021343

1009K-based NumbersUSU Championship 19971466794

1010Discrete FunctionUSTU PhysTech Cup 20005059273

1011ConductorsUSU Championship 19975875235

1012K-based Numbers. Version 27982173

1013K-based Numbers. Version 3891197

1014Product of DigitsUSU Local Contest. 19991390599

1015Test the Difference!USU Local Contest. 19993239425

1016Cube on the WalkUSU Local Contest. 19991767776

1017StaircasesUSU Local Contest. 19998874155

1018Binary Apple TreeUSU Local Contest. 19994786288

1019Line PaintingUSU Local Contest. 19993147437

1020RopeAutumn School Contest 200013477102

1021Sacrament of the SumAutumn School Contest 20009702142

1022Genealogical TreeAutumn School Contest 200010030137

1023ButtonsAutumn School Contest 20006716205

1024PermutationsAutumn School Contest 20004557302

1025Democracy in DangerAutumn School Contest 20002027968

1026Questions and AnswersAutumn School Contest 20009364147

1027D++ AgainAutumn School Contest 20002358582

1028StarsUral Championship 19995238262

1029MinistryUral Championship 19993530338

1030TitanicUral Championship 19991634836

1031Railway TicketsUral Championship 19993729367

1032Find a MultipleUral Championship 19994004298

1033LabyrinthUral Championship 19995974230

1034Queens in Peaceful PositionsUral Championship 19991783766

1035Cross-stitchUral Championship 199910321315

1036Lucky Tickets4632296

1037Memory ManagementUSU Championship 20001785758

1038Spell CheckerUSU Championship 20003003452

1039Anniversary PartyUSU Championship 20003623375

1040Airline CompanyUSU Championship 20001372985

1041NikiforUSU Championship 20006372104

1042Central HeatingUSU Championship 20001690801

1043Cover an ArcUSU Championship 20008561572

1044Lucky Tickets. Easy!USU Championship 200011366120

1045Funny GameUSU Local Contest. March 20002631509

1046Geometrical DreamsUSU Local Contest. March 20007281822

1047Simple CalculationsUSU Local Contest. March 20004488299

1048Superlong SumsUSU Local Contest. March 20007063190

1049Brave BalloonistsUSU Local Contest. March 20005595240

1050Preparing an ArticleUSU Local Contest. March 20009821356

1051Simple Game on a GridUSU Local Contest. March 20002723492

1052Rabbit HuntUSU Local Contest. March 20005925227

1053PinocchioNEERC 2000 Central Subregional4215318

1054Hanoi TowerNEERC 2000 Central Subregional2041654

1055CombinationsNEERC 2000 Central Subregional3369397

1056Computer NetNEERC 2000 Central Subregional2517531

1057Amount of DegreesNEERC 2000 Central Subregional1889707

1058ChocolateNEERC 2000 Central Subregional4582861

1059ExpressionNEERC 2000 Central Subregional2116631

1060Flip GameNEERC 20003550357

1061Buffer ManagerNEERC 20002063613

1062TriathlonNEERC 20006951802

1063Domino PuzzleNEERC 20005852135

1064Binary SearchNEERC 20002069612

1065FrontierNEERC 20009051389

1066GarlandNEERC 20002324544

1067Disk TreeNEERC 20002414524

1068Sum3329638

1069Prufer CodeUSU Personal Contest 20012363521

1070Local TimeUSU Personal Contest 20011972623

1071Nikifor 2USU Personal Contest 20012045601

1072RoutingUSU Personal Contest 20012564480

1073Square CountryUSU Personal Contest 20018191151

1074Very Short ProblemUSU Personal Contest 20015962039

1075Thread in a SpaceUSU Personal Contest 20015832084

1076Trash1822671

1077Travelling Tours1095404

1078SegmentsWinter Mathematical Festival Varna 20013294370

1079MaximumWinter Mathematical Festival Varna 200111120110

1080Map ColoringWinter Mathematical Festival Varna 20015031243

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014740257

1082Gaby IvanushkaSpring School Contest 200110189119

1083Factorials!!!Spring School Contest 20011759569

1084Goat in the GardenSpring School Contest 20018277146

1085MeetingSpring School Contest 20012037592

1086CryptographySpring School Contest 200111096109

1087The Time to Take StonesSpring School Contest 20014345278

1088Ilya MurometzSpring School Contest 20011704707

1089Verification with a VocabularySpring School Contest 20012658454

1090In the Army NowUSU Local Contest. March 20013296348

1091Tmutarakan ExamsUSU Local Contest. March 20012289501

1092TransversalUSU Local Contest. March 20015032245

1093DartsUSU Local Contest. March 20015901920

1094E-screenUSU Local Contest. March 20012662431

1095Nikifor 3USU Local Contest. March 20012079551

1096Get the Right Route Plate!USU Local Contest. March 20011664688

1097Square Country 2USU Local Contest. March 20018101405

1098Questions2091524

1099Work Scheduling8881161