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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem8088417

1001Reverse Root2364816

1002Phone NumbersCentral European Olympiad in Informatics 19996012214

1003ParityCentral European Olympiad in Informatics 19993338385

1004Sightseeing TripCentral European Olympiad in Informatics 19992300558

1005Stone PileUSU Championship 19971413091

1006Square FramesUSU Championship 19971434891

1007Code WordsUSU Championship 19973462371

1008Image EncodingUSTU PhysTech Cup 20003843334

1009K-based NumbersUSU Championship 19971334096

1010Discrete FunctionUSTU PhysTech Cup 20004853264

1011ConductorsUSU Championship 19975601229

1012K-based Numbers. Version 27417173

1013K-based Numbers. Version 3579225

1014Product of DigitsUSU Local Contest. 199912384104

1015Test the Difference!USU Local Contest. 19993100413

1016Cube on the WalkUSU Local Contest. 19991669764

1017StaircasesUSU Local Contest. 19998106158

1018Binary Apple TreeUSU Local Contest. 19994448288

1019Line PaintingUSU Local Contest. 19992913439

1020RopeAutumn School Contest 200012346104

1021Sacrament of the SumAutumn School Contest 20009114140

1022Genealogical TreeAutumn School Contest 20009395136

1023ButtonsAutumn School Contest 20006317202

1024PermutationsAutumn School Contest 20004311296

1025Democracy in DangerAutumn School Contest 20001834470

1026Questions and AnswersAutumn School Contest 20008719147

1027D++ AgainAutumn School Contest 20002249567

1028StarsUral Championship 19994804265

1029MinistryUral Championship 19993326334

1030TitanicUral Championship 19991535827

1031Railway TicketsUral Championship 19993558358

1032Find a MultipleUral Championship 19993784294

1033LabyrinthUral Championship 19995526231

1034Queens in Peaceful PositionsUral Championship 19991713741

1035Cross-stitchUral Championship 19999881277

1036Lucky Tickets4275298

1037Memory ManagementUSU Championship 20001688746

1038Spell CheckerUSU Championship 20002893436

1039Anniversary PartyUSU Championship 20003336378

1040Airline CompanyUSU Championship 20001286977

1041NikiforUSU Championship 20006022068

1042Central HeatingUSU Championship 20001573800

1043Cover an ArcUSU Championship 20008091546

1044Lucky Tickets. Easy!USU Championship 200010647119

1045Funny GameUSU Local Contest. March 20002426514

1046Geometrical DreamsUSU Local Contest. March 20006851800

1047Simple CalculationsUSU Local Contest. March 20004343288

1048Superlong SumsUSU Local Contest. March 20006708186

1049Brave BalloonistsUSU Local Contest. March 20005282237

1050Preparing an ArticleUSU Local Contest. March 20009161351

1051Simple Game on a GridUSU Local Contest. March 20002621475

1052Rabbit HuntUSU Local Contest. March 20005607223

1053PinocchioNEERC 2000 Central Subregional4062307

1054Hanoi TowerNEERC 2000 Central Subregional1931643

1055CombinationsNEERC 2000 Central Subregional3229385

1056Computer NetNEERC 2000 Central Subregional2372524

1057Amount of DegreesNEERC 2000 Central Subregional1768702

1058ChocolateNEERC 2000 Central Subregional4232877

1059ExpressionNEERC 2000 Central Subregional2034611

1060Flip GameNEERC 20003368350

1061Buffer ManagerNEERC 20001981594

1062TriathlonNEERC 20006621760

1063Domino PuzzleNEERC 20005562088

1064Binary SearchNEERC 20001996590

1065FrontierNEERC 20008611358

1066GarlandNEERC 20002233527

1067Disk TreeNEERC 20002034578

1068Sum2895441

1069Prufer CodeUSU Personal Contest 20012180525

1070Local TimeUSU Personal Contest 20011877610

1071Nikifor 2USU Personal Contest 20011950587

1072RoutingUSU Personal Contest 20012373483

1073Square CountryUSU Personal Contest 20017401155

1074Very Short ProblemUSU Personal Contest 20015452072

1075Thread in a SpaceUSU Personal Contest 200110931043

1076Trash1746651

1077Travelling Tours1010408

1078SegmentsWinter Mathematical Festival Varna 20013074369

1079MaximumWinter Mathematical Festival Varna 200110105113

1080Map ColoringWinter Mathematical Festival Varna 20014440256

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014481253

1082Gaby IvanushkaSpring School Contest 20019651117

1083Factorials!!!Spring School Contest 20011545273

1084Goat in the GardenSpring School Contest 20017688147

1085MeetingSpring School Contest 20011944577

1086CryptographySpring School Contest 20019833115

1087The Time to Take StonesSpring School Contest 20014134272

1088Ilya MurometzSpring School Contest 20011632687

1089Verification with a VocabularySpring School Contest 20012551441

1090In the Army NowUSU Local Contest. March 20013027353

1091Tmutarakan ExamsUSU Local Contest. March 20012173491

1092TransversalUSU Local Contest. March 20014662253

1093DartsUSU Local Contest. March 20015561895

1094E-screenUSU Local Contest. March 20012565416

1095Nikifor 3USU Local Contest. March 20012007532

1096Get the Right Route Plate!USU Local Contest. March 20011590670

1097Square Country 2USU Local Contest. March 20017751366

1098Questions1988513

1099Work Scheduling7921210