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Problem set. Volume 1


IDTitleSourceAuthorsDifficulty

1000A+B Problem7957217

1001Reverse Root2312817

1002Phone NumbersCentral European Olympiad in Informatics 19995963213

1003ParityCentral European Olympiad in Informatics 19993313384

1004Sightseeing TripCentral European Olympiad in Informatics 19992287556

1005Stone PileUSU Championship 19971393491

1006Square FramesUSU Championship 19971426887

1007Code WordsUSU Championship 19973441369

1008Image EncodingUSTU PhysTech Cup 20003824332

1009K-based NumbersUSU Championship 19971318397

1010Discrete FunctionUSTU PhysTech Cup 20004826263

1011ConductorsUSU Championship 19975564229

1012K-based Numbers. Version 27345173

1013K-based Numbers. Version 3535233

1014Product of DigitsUSU Local Contest. 199912205104

1015Test the Difference!USU Local Contest. 19993083411

1016Cube on the WalkUSU Local Contest. 19991658761

1017StaircasesUSU Local Contest. 19997986159

1018Binary Apple TreeUSU Local Contest. 19994384289

1019Line PaintingUSU Local Contest. 19992889438

1020RopeAutumn School Contest 200012198104

1021Sacrament of the SumAutumn School Contest 20009029140

1022Genealogical TreeAutumn School Contest 20009326136

1023ButtonsAutumn School Contest 20006263202

1024PermutationsAutumn School Contest 20004269297

1025Democracy in DangerAutumn School Contest 20001805270

1026Questions and AnswersAutumn School Contest 20008655146

1027D++ AgainAutumn School Contest 20002229567

1028StarsUral Championship 19994753266

1029MinistryUral Championship 19993300333

1030TitanicUral Championship 19991530822

1031Railway TicketsUral Championship 19993532357

1032Find a MultipleUral Championship 19993755293

1033LabyrinthUral Championship 19995480230

1034Queens in Peaceful PositionsUral Championship 19991705738

1035Cross-stitchUral Championship 19999841270

1036Lucky Tickets4229298

1037Memory ManagementUSU Championship 20001677743

1038Spell CheckerUSU Championship 20002875435

1039Anniversary PartyUSU Championship 20003301379

1040Airline CompanyUSU Championship 20001276975

1041NikiforUSU Championship 20005922083

1042Central HeatingUSU Championship 20001563797

1043Cover an ArcUSU Championship 20008061537

1044Lucky Tickets. Easy!USU Championship 200010550119

1045Funny GameUSU Local Contest. March 20002406513

1046Geometrical DreamsUSU Local Contest. March 20006841785

1047Simple CalculationsUSU Local Contest. March 20004316287

1048Superlong SumsUSU Local Contest. March 20006657185

1049Brave BalloonistsUSU Local Contest. March 20005250236

1050Preparing an ArticleUSU Local Contest. March 20009071351

1051Simple Game on a GridUSU Local Contest. March 20002611473

1052Rabbit HuntUSU Local Contest. March 20005559223

1053PinocchioNEERC 2000 Central Subregional4052304

1054Hanoi TowerNEERC 2000 Central Subregional1925639

1055CombinationsNEERC 2000 Central Subregional3214384

1056Computer NetNEERC 2000 Central Subregional2351524

1057Amount of DegreesNEERC 2000 Central Subregional1758699

1058ChocolateNEERC 2000 Central Subregional4152903

1059ExpressionNEERC 2000 Central Subregional2028607

1060Flip GameNEERC 20003356348

1061Buffer ManagerNEERC 20001972591

1062TriathlonNEERC 20006591751

1063Domino PuzzleNEERC 20005492094

1064Binary SearchNEERC 20001986587

1065FrontierNEERC 20008571352

1066GarlandNEERC 20002224524

1067Disk TreeNEERC 20002011579

1068Sum2842741

1069Prufer CodeUSU Personal Contest 20012169523

1070Local TimeUSU Personal Contest 20011865608

1071Nikifor 2USU Personal Contest 20011936585

1072RoutingUSU Personal Contest 20012361481

1073Square CountryUSU Personal Contest 20017307156

1074Very Short ProblemUSU Personal Contest 20015372083

1075Thread in a SpaceUSU Personal Contest 200110781047

1076Trash1734650

1077Travelling Tours1003407

1078SegmentsWinter Mathematical Festival Varna 20013053368

1079MaximumWinter Mathematical Festival Varna 20019971113

1080Map ColoringWinter Mathematical Festival Varna 20014404255

1081Binary Lexicographic SequenceWinter Mathematical Festival Varna 20014441253

1082Gaby IvanushkaSpring School Contest 20019586116

1083Factorials!!!Spring School Contest 20011520673

1084Goat in the GardenSpring School Contest 20017627146

1085MeetingSpring School Contest 20011930576

1086CryptographySpring School Contest 20019669115

1087The Time to Take StonesSpring School Contest 20014106272

1088Ilya MurometzSpring School Contest 20011627683

1089Verification with a VocabularySpring School Contest 20012537439

1090In the Army NowUSU Local Contest. March 20012985355

1091Tmutarakan ExamsUSU Local Contest. March 20012161489

1092TransversalUSU Local Contest. March 20014602260

1093DartsUSU Local Contest. March 20015531887

1094E-screenUSU Local Contest. March 20012546416

1095Nikifor 3USU Local Contest. March 20011986532

1096Get the Right Route Plate!USU Local Contest. March 20011577669

1097Square Country 2USU Local Contest. March 20017741355

1098Questions1976511

1099Work Scheduling7821214