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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7670117

1001Reverse Root2212717

1002Phone NumbersCentral European Olympiad in Informatics 19995864212

1003ParityCentral European Olympiad in Informatics 19993246383

1004Sightseeing TripCentral European Olympiad in Informatics 19992254551

1005Stone PileUSU Championship 19971358292

1006Square FramesUSU Championship 19971406880

1007Code WordsUSU Championship 19973395366

1008Image EncodingUSTU PhysTech Cup 20003783329

1009K-based NumbersUSU Championship 19971282197

1010Discrete FunctionUSTU PhysTech Cup 20004767261

1011ConductorsUSU Championship 19975484227

1012K-based Numbers. Version 27187173

1013K-based Numbers. Version 3442252

1014Product of DigitsUSU Local Contest. 199911817105

1015Test the Difference!USU Local Contest. 19993051406

1016Cube on the WalkUSU Local Contest. 19991643752

1017StaircasesUSU Local Contest. 19997744160

1018Binary Apple TreeUSU Local Contest. 19994275290

1019Line PaintingUSU Local Contest. 19992826438

1020RopeAutumn School Contest 200011894104

1021Sacrament of the SumAutumn School Contest 20008877140

1022Genealogical TreeAutumn School Contest 20009122136

1023ButtonsAutumn School Contest 20006145202

1024PermutationsAutumn School Contest 20004211294

1025Democracy in DangerAutumn School Contest 20001760770

1026Questions and AnswersAutumn School Contest 20008509146

1027D++ AgainAutumn School Contest 20002201561

1028StarsUral Championship 19994635266

1029MinistryUral Championship 19993237333

1030TitanicUral Championship 19991520809

1031Railway TicketsUral Championship 19993474355

1032Find a MultipleUral Championship 19993694292

1033LabyrinthUral Championship 19995381230

1034Queens in Peaceful PositionsUral Championship 19991685730

1035Cross-stitchUral Championship 19999781250

1036Lucky Tickets4145298

1037Memory ManagementUSU Championship 20001655737

1038Spell CheckerUSU Championship 20002852429

1039Anniversary PartyUSU Championship 20003231378

1040Airline CompanyUSU Championship 20001247976

1041NikiforUSU Championship 20005842065

1042Central HeatingUSU Championship 20001541791

1043Cover an ArcUSU Championship 20007991516

1044Lucky Tickets. Easy!USU Championship 200010377118

1045Funny GameUSU Local Contest. March 20002327519

1046Geometrical DreamsUSU Local Contest. March 20006751769

1047Simple CalculationsUSU Local Contest. March 20004278283

1048Superlong SumsUSU Local Contest. March 20006549184

1049Brave BalloonistsUSU Local Contest. March 20005141235

1050Preparing an ArticleUSU Local Contest. March 20008931342

1051Simple Game on a GridUSU Local Contest. March 20002576469

1052Rabbit HuntUSU Local Contest. March 20005470221

1053PinocchioNEERC 2000 Central Subregional4003301

1054Hanoi TowerNEERC 2000 Central Subregional1910630

1055CombinationsNEERC 2000 Central Subregional3179379

1056Computer NetNEERC 2000 Central Subregional2318520

1057Amount of DegreesNEERC 2000 Central Subregional1719700

1058ChocolateNEERC 2000 Central Subregional4072894

1059ExpressionNEERC 2000 Central Subregional2008599

1060Flip GameNEERC 20003316345

1061Buffer ManagerNEERC 20001954584

1062TriathlonNEERC 20006501736

1063Domino PuzzleNEERC 20005422075

1064Binary SearchNEERC 20001967580

1065FrontierNEERC 20008481336

1066GarlandNEERC 20002199519

1067Disk TreeNEERC 20001945586

1068Sum2737342

1069Prufer CodeUSU Personal Contest 20012105527

1070Local TimeUSU Personal Contest 20011850599

1071Nikifor 2USU Personal Contest 20011910581

1072RoutingUSU Personal Contest 20012336475

1073Square CountryUSU Personal Contest 20017109157

1074Very Short ProblemUSU Personal Contest 20015192107

1075Thread in a SpaceUSU Personal Contest 200110641038

1076Trash1713643

1077Travelling Tours985405

1078SegmentsWinter Mathematical Festival Varna 20012965371

1079MaximumWinter Mathematical Festival Varna 20019742113

1080Map ColoringWinter Mathematical Festival Varna 20014257258

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014333254

1082Gaby IvanushkaSpring School Contest 20019466115

1083Factorials!!!Spring School Contest 20011476474

1084Goat in the GardenSpring School Contest 20017417147

1085MeetingSpring School Contest 20011906571

1086CryptographySpring School Contest 20019378116

1087The Time to Take StonesSpring School Contest 20014039270

1088Ilya MurometzSpring School Contest 20011599680

1089Verification with a VocabularySpring School Contest 20012498436

1090In the Army NowUSU Local Contest. March 20012929354

1091Tmutarakan ExamsUSU Local Contest. March 20012137484

1092TransversalUSU Local Contest. March 20014512255

1093DartsUSU Local Contest. March 20015471866

1094E-screenUSU Local Contest. March 20012502414

1095Nikifor 3USU Local Contest. March 20012055503

1096Get the Right Route Plate!USU Local Contest. March 20011556664

1097Square Country 2USU Local Contest. March 20017671338

1098Questions1952506

1099Work Scheduling7491240