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Problem set. Volume 6


IDTitleSourceAuthorsDifficulty

1567SMS-spamUSU Championship 2007987440

1585PenguinsNEERC 2007 Eastern Subregional975240

1581TeamworkAutumn School Contest 2007958141

1545HieroglyphsUral Championship 2007795552

1563BayanUSU Championship 2007687958

1502Domino DotsNEERC 2006 Eastern Subregional579874

1510OrderNEERC 2006 Eastern Subregional491888

1573AlchemyAutumn School Contest 20073830103

1582BookmakersNEERC 2007 Eastern Subregional3405116

1572Yekaterinozavodsk Great WellAutumn School Contest 20072792141

1576Telephone TariffsAutumn School Contest 20072772143

1586Threeprime NumbersNEERC 2007 Eastern Subregional2628150

1506Columns of NumbersNEERC 2006 Eastern Subregional2772155

1515CashmasterTimus Top Coders: Third Challenge2013211

1590Bacon’s CipherNEERC 2007 Eastern Subregional1837214

1521War Games 2Timus Top Coders: Third Challenge1825233

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1612259

1501Sense of BeautyNEERC 2006 Eastern Subregional1620265

1537EntsUSU Personal Contest 20071486280

1517Freedom of ChoiceTimus Top Coders: Third Challenge1503282

1551Sumo TournamentUral Championship 20071379298

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1348310

1588JamaicaNEERC 2007 Eastern Subregional1253313

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1254315

1574Mathematicians and bracketsAutumn School Contest 20071121351

1513Lemon TaleTimus Top Coders: Third Challenge1117379

1562GM-pineappleUSU Championship 2007964408

1571InterpretersUSU Championship 2007917428

1507Difficult DecisionNEERC 2006 Eastern Subregional999429

1519Formula 1Timus Top Coders: Third Challenge981431

1525PathPetrozavodsk Winter 2007. D.Gozman Contest889468

1577E-mailAutumn School Contest 2007826474

1535The Hobbit or There and Back AgainUSU Personal Contest 2007871476

1579Coat TransportationAutumn School Contest 2007813482

1534Football in GondorUSU Personal Contest 2007743557

1592Chinese WatchesNEERC 2007 Eastern Subregional664586

1550Dean's Pyramid 3Ural Championship 2007676604

1500Pass LicensesNEERC 2006 Eastern Subregional676630

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest620633

1542AutocompletionUral Championship 2007640637

1564Counting OnesUSU Championship 2007588664

1593Square Country. Version 2473725

1587Flying PigNEERC 2007 Eastern Subregional490790

1512ZiniumTimus Top Coders: Third Challenge514815

1547Password SearchUral Championship 2007495820

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest474823

1580Dean's DebtsAutumn School Contest 2007440881

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest466884

1578Mammoth HuntAutumn School Contest 2007432897

1575Yekaterinburg Subway 2Autumn School Contest 2007425911

1546Japanese SortingUral Championship 2007430941

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest401970

1569Networking the “Iset”USU Championship 20073821013

1591Abstract ThinkingNEERC 2007 Eastern Subregional3791016

1570Eating HighUSU Championship 20073771026

1518Jedi Riddle 3Timus Top Coders: Third Challenge3911066

1539Intelligence DataUSU Personal Contest 20073821070

1533Fat HobbitsUSU Personal Contest 20073811072

1540Battle for the RingUSU Personal Contest 20073691106

1595Perfect Sequence2901132

1511Fiscal OperationsTimus Top Coders: Third Challenge3491190

1544Classmates 3Ural Championship 20073341204

1538Towers of GuardUSU Personal Contest 20073281240

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3051265

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3021266

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3011352

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2991361

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2971370

1568Train Car SortingUSU Championship 20072381601

1565The Duel for ThreeUSU Championship 20072231705

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411723

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201733

1503PolynomialNEERC 2006 Eastern Subregional2281817

1583CheeseNEERC 2007 Eastern Subregional2071821

1516NostalgiaTimus Top Coders: Third Challenge2221842

1514National ParkTimus Top Coders: Third Challenge2201858

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2051956

1532Lost in TranslationUSU Personal Contest 20072001996

1541ChaseUSU Personal Contest 20071902096

1543Dance RevolutionUral Championship 20071762227

1549Another Japanese PuzzleUral Championship 20071722276

1504Good MannersNEERC 2006 Eastern Subregional1742350

1520Empire Strikes BackTimus Top Coders: Third Challenge1582543

1597Chernobyl’ Eagle on a Roof. Version 2612593

1599Winding Number482674

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1332787

1566Triangular PostcardsUSU Championship 20071242964

1505Oil TransferNEERC 2006 Eastern Subregional1333024

1509Domino RecognitionNEERC 2006 Eastern Subregional1043793

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest894026

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924123

1598DSA Attack304555

1594Aztec Treasure604854

1536Delights of Pipe-weedUSU Personal Contest 2007516873

1596Knight Mare189036

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest349058

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411722

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2312744

1548Sakura and StatisticsUral Championship 20071417258

1589SokobanNEERC 2007 Eastern Subregional821948