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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem8296117

1001Reverse Root2450216

1002Phone NumbersCentral European Olympiad in Informatics 19996087215

1003ParityCentral European Olympiad in Informatics 19993395385

1004Sightseeing TripCentral European Olympiad in Informatics 19992331560

1005Stone PileUSU Championship 19971448290

1006Square FramesUSU Championship 19971451896

1007Code WordsUSU Championship 19973498373

1008Image EncodingUSTU PhysTech Cup 20003888336

1009K-based NumbersUSU Championship 19971359996

1010Discrete FunctionUSTU PhysTech Cup 20004908266

1011ConductorsUSU Championship 19975659231

1012K-based Numbers. Version 27561172

1013K-based Numbers. Version 3651216

1014Product of DigitsUSU Local Contest. 199912632103

1015Test the Difference!USU Local Contest. 19993132415

1016Cube on the WalkUSU Local Contest. 19991688768

1017StaircasesUSU Local Contest. 19998285157

1018Binary Apple TreeUSU Local Contest. 19994508289

1019Line PaintingUSU Local Contest. 19992974437

1020RopeAutumn School Contest 200012571104

1021Sacrament of the SumAutumn School Contest 20009250141

1022Genealogical TreeAutumn School Contest 20009516137

1023ButtonsAutumn School Contest 20006396203

1024PermutationsAutumn School Contest 20004350299

1025Democracy in DangerAutumn School Contest 20001868170

1026Questions and AnswersAutumn School Contest 20008836147

1027D++ AgainAutumn School Contest 20002283568

1028StarsUral Championship 19994895265

1029MinistryUral Championship 19993382334

1030TitanicUral Championship 19991552832

1031Railway TicketsUral Championship 19993597360

1032Find a MultipleUral Championship 19993829295

1033LabyrinthUral Championship 19995603231

1034Queens in Peaceful PositionsUral Championship 19991732746

1035Cross-stitchUral Championship 19999961289

1036Lucky Tickets4363297

1037Memory ManagementUSU Championship 20001714747

1038Spell CheckerUSU Championship 20002916440

1039Anniversary PartyUSU Championship 20003389379

1040Airline CompanyUSU Championship 20001305979

1041NikiforUSU Championship 20006142063

1042Central HeatingUSU Championship 20001600800

1043Cover an ArcUSU Championship 20008171557

1044Lucky Tickets. Easy!USU Championship 200010806119

1045Funny GameUSU Local Contest. March 20002466514

1046Geometrical DreamsUSU Local Contest. March 20006921812

1047Simple CalculationsUSU Local Contest. March 20004369291

1048Superlong SumsUSU Local Contest. March 20006793187

1049Brave BalloonistsUSU Local Contest. March 20005345238

1050Preparing an ArticleUSU Local Contest. March 20009291355

1051Simple Game on a GridUSU Local Contest. March 20002645479

1052Rabbit HuntUSU Local Contest. March 20005688223

1053PinocchioNEERC 2000 Central Subregional4097309

1054Hanoi TowerNEERC 2000 Central Subregional1951647

1055CombinationsNEERC 2000 Central Subregional3254389

1056Computer NetNEERC 2000 Central Subregional2407525

1057Amount of DegreesNEERC 2000 Central Subregional1793704

1058ChocolateNEERC 2000 Central Subregional4322866

1059ExpressionNEERC 2000 Central Subregional2044618

1060Flip GameNEERC 20003404352

1061Buffer ManagerNEERC 20002004597

1062TriathlonNEERC 20006721763

1063Domino PuzzleNEERC 20005662087

1064Binary SearchNEERC 20002016594

1065FrontierNEERC 20008721364

1066GarlandNEERC 20002252531

1067Disk TreeNEERC 20002128562

1068Sum2975940

1069Prufer CodeUSU Personal Contest 20012222524

1070Local TimeUSU Personal Contest 20011895614

1071Nikifor 2USU Personal Contest 20011978588

1072RoutingUSU Personal Contest 20012397486

1073Square CountryUSU Personal Contest 20017555155

1074Very Short ProblemUSU Personal Contest 20015562066

1075Thread in a SpaceUSU Personal Contest 20014712431

1076Trash1763656

1077Travelling Tours1026408

1078SegmentsWinter Mathematical Festival Varna 20013120370

1079MaximumWinter Mathematical Festival Varna 200110301112

1080Map ColoringWinter Mathematical Festival Varna 20014563253

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014546254

1082Gaby IvanushkaSpring School Contest 20019746118

1083Factorials!!!Spring School Contest 20011582272

1084Goat in the GardenSpring School Contest 20017815147

1085MeetingSpring School Contest 20011963581

1086CryptographySpring School Contest 200110068114

1087The Time to Take StonesSpring School Contest 20014180274

1088Ilya MurometzSpring School Contest 20011641695

1089Verification with a VocabularySpring School Contest 20012567445

1090In the Army NowUSU Local Contest. March 20013059355

1091Tmutarakan ExamsUSU Local Contest. March 20012197494

1092TransversalUSU Local Contest. March 20014752248

1093DartsUSU Local Contest. March 20015651896

1094E-screenUSU Local Contest. March 20012582421

1095Nikifor 3USU Local Contest. March 20012020537

1096Get the Right Route Plate!USU Local Contest. March 20011604676

1097Square Country 2USU Local Contest. March 20017841373

1098Questions2032510

1099Work Scheduling8111202