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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7627517

1001Reverse Root2200017

1002Phone NumbersCentral European Olympiad in Informatics 19995854212

1003ParityCentral European Olympiad in Informatics 19993239383

1004Sightseeing TripCentral European Olympiad in Informatics 19992249551

1005Stone PileUSU Championship 19971352592

1006Square FramesUSU Championship 19971404879

1007Code WordsUSU Championship 19973391365

1008Image EncodingUSTU PhysTech Cup 20003774328

1009K-based NumbersUSU Championship 19971279097

1010Discrete FunctionUSTU PhysTech Cup 20004765260

1011ConductorsUSU Championship 19975478226

1012K-based Numbers. Version 27174172

1013K-based Numbers. Version 3430254

1014Product of DigitsUSU Local Contest. 199911778105

1015Test the Difference!USU Local Contest. 19993046405

1016Cube on the WalkUSU Local Contest. 19991633754

1017StaircasesUSU Local Contest. 19997726160

1018Binary Apple TreeUSU Local Contest. 19994262290

1019Line PaintingUSU Local Contest. 19992818438

1020RopeAutumn School Contest 200011853104

1021Sacrament of the SumAutumn School Contest 20008855140

1022Genealogical TreeAutumn School Contest 20009098136

1023ButtonsAutumn School Contest 20006132201

1024PermutationsAutumn School Contest 20004201294

1025Democracy in DangerAutumn School Contest 20001755270

1026Questions and AnswersAutumn School Contest 20008496145

1027D++ AgainAutumn School Contest 20002197560

1028StarsUral Championship 19994626266

1029MinistryUral Championship 19993228332

1030TitanicUral Championship 19991517808

1031Railway TicketsUral Championship 19993471354

1032Find a MultipleUral Championship 19993688291

1033LabyrinthUral Championship 19995375229

1034Queens in Peaceful PositionsUral Championship 19991683728

1035Cross-stitchUral Championship 19999751250

1036Lucky Tickets4117299

1037Memory ManagementUSU Championship 20001651736

1038Spell CheckerUSU Championship 20002850427

1039Anniversary PartyUSU Championship 20003223378

1040Airline CompanyUSU Championship 20001245974

1041NikiforUSU Championship 20005842058

1042Central HeatingUSU Championship 20001537790

1043Cover an ArcUSU Championship 20007981513

1044Lucky Tickets. Easy!USU Championship 200010351118

1045Funny GameUSU Local Contest. March 20002321518

1046Geometrical DreamsUSU Local Contest. March 20006751763

1047Simple CalculationsUSU Local Contest. March 20004273282

1048Superlong SumsUSU Local Contest. March 20006535184

1049Brave BalloonistsUSU Local Contest. March 20005132235

1050Preparing an ArticleUSU Local Contest. March 20008921339

1051Simple Game on a GridUSU Local Contest. March 20002576467

1052Rabbit HuntUSU Local Contest. March 20005449221

1053PinocchioNEERC 2000 Central Subregional4000301

1054Hanoi TowerNEERC 2000 Central Subregional1907629

1055CombinationsNEERC 2000 Central Subregional3176378

1056Computer NetNEERC 2000 Central Subregional2315519

1057Amount of DegreesNEERC 2000 Central Subregional1716698

1058ChocolateNEERC 2000 Central Subregional4062891

1059ExpressionNEERC 2000 Central Subregional2004599

1060Flip GameNEERC 20003314344

1061Buffer ManagerNEERC 20001951583

1062TriathlonNEERC 20006491733

1063Domino PuzzleNEERC 20005422068

1064Binary SearchNEERC 20001963579

1065FrontierNEERC 20008471333

1066GarlandNEERC 20002196518

1067Disk TreeNEERC 20001912594

1068Sum2724842

1069Prufer CodeUSU Personal Contest 20012103526

1070Local TimeUSU Personal Contest 20011849598

1071Nikifor 2USU Personal Contest 20011908579

1072RoutingUSU Personal Contest 20012333474

1073Square CountryUSU Personal Contest 20017088157

1074Very Short ProblemUSU Personal Contest 20015192100

1075Thread in a SpaceUSU Personal Contest 200110641034

1076Trash1710642

1077Travelling Tours980406

1078SegmentsWinter Mathematical Festival Varna 20012958370

1079MaximumWinter Mathematical Festival Varna 20019702113

1080Map ColoringWinter Mathematical Festival Varna 20014244258

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014317254

1082Gaby IvanushkaSpring School Contest 20019453115

1083Factorials!!!Spring School Contest 20011471374

1084Goat in the GardenSpring School Contest 20017399147

1085MeetingSpring School Contest 20011897571

1086CryptographySpring School Contest 20019336117

1087The Time to Take StonesSpring School Contest 20014031270

1088Ilya MurometzSpring School Contest 20011597678

1089Verification with a VocabularySpring School Contest 20012494435

1090In the Army NowUSU Local Contest. March 20012920354

1091Tmutarakan ExamsUSU Local Contest. March 20012135483

1092TransversalUSU Local Contest. March 20014512247

1093DartsUSU Local Contest. March 20015471860

1094E-screenUSU Local Contest. March 20012500413

1095Nikifor 3USU Local Contest. March 20012052502

1096Get the Right Route Plate!USU Local Contest. March 20011550664

1097Square Country 2USU Local Contest. March 20017661335

1098Questions1950505

1099Work Scheduling7421247