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Problem set. Volume 6


IDTitleSourceAuthorsDifficulty

1585PenguinsNEERC 2007 Eastern Subregional1154138

1567SMS-spamUSU Championship 20071095040

1581TeamworkAutumn School Contest 20071093940

1545HieroglyphsUral Championship 2007911850

1563BayanUSU Championship 2007821254

1502Domino DotsNEERC 2006 Eastern Subregional644373

1510OrderNEERC 2006 Eastern Subregional544987

1573AlchemyAutumn School Contest 20074127106

1582BookmakersNEERC 2007 Eastern Subregional3631120

1521War Games 2Timus Top Coders: Third Challenge3501133

1506Columns of NumbersNEERC 2006 Eastern Subregional3341141

1572Yekaterinozavodsk Great WellAutumn School Contest 20073037144

1586Threeprime NumbersNEERC 2007 Eastern Subregional3029144

1576Telephone TariffsAutumn School Contest 20073022145

1590Bacon’s CipherNEERC 2007 Eastern Subregional2293190

1515CashmasterTimus Top Coders: Third Challenge2194212

1517Freedom of ChoiceTimus Top Coders: Third Challenge1855251

1501Sense of BeautyNEERC 2006 Eastern Subregional1777265

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1718267

1551Sumo TournamentUral Championship 20071668272

1537EntsUSU Personal Contest 20071624282

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1515289

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1549296

1588JamaicaNEERC 2007 Eastern Subregional1352322

1574Mathematicians and bracketsAutumn School Contest 20071215359

1513Lemon TaleTimus Top Coders: Third Challenge1232377

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1153397

1562GM-pineappleUSU Championship 20071063410

1507Difficult DecisionNEERC 2006 Eastern Subregional1063441

1571InterpretersUSU Championship 2007973448

1519Formula 1Timus Top Coders: Third Challenge1013457

1577E-mailAutumn School Contest 2007924470

1579Coat TransportationAutumn School Contest 2007885491

1535The Hobbit or There and Back AgainUSU Personal Contest 2007915498

1534Football in GondorUSU Personal Contest 2007785579

1550Dean's Pyramid 3Ural Championship 2007760592

1592Chinese WatchesNEERC 2007 Eastern Subregional721599

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest688632

1500Pass LicensesNEERC 2006 Eastern Subregional736634

1542AutocompletionUral Championship 2007706637

1564Counting OnesUSU Championship 2007633684

1593Square Country. Version 2529736

1587Flying PigNEERC 2007 Eastern Subregional534805

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest506855

1547Password SearchUral Championship 2007522857

1512ZiniumTimus Top Coders: Third Challenge534860

1575Yekaterinburg Subway 2Autumn School Contest 2007500861

1578Mammoth HuntAutumn School Contest 2007495870

1580Dean's DebtsAutumn School Contest 2007490879

1546Japanese SortingUral Championship 2007507882

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest508891

1570Eating HighUSU Championship 2007478901

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest465929

1569Networking the “Iset”USU Championship 2007455946

1533Fat HobbitsUSU Personal Contest 20074411021

1518Jedi Riddle 3Timus Top Coders: Third Challenge4351051

1591Abstract ThinkingNEERC 2007 Eastern Subregional4061053

1539Intelligence DataUSU Personal Contest 20074221066

1540Battle for the RingUSU Personal Contest 20074141086

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881160

1595Perfect Sequence3231160

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3631183

1511Fiscal OperationsTimus Top Coders: Third Challenge3791203

1544Classmates 3Ural Championship 20073591235

1538Towers of GuardUSU Personal Contest 20073501279

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161344

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3311354

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3151421

1568Train Car SortingUSU Championship 20072591635

1508Japanese PuzzleNEERC 2006 Eastern Subregional2781641

1503PolynomialNEERC 2006 Eastern Subregional2611744

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2511769

1516NostalgiaTimus Top Coders: Third Challenge2521786

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2371786

1565The Duel for ThreeUSU Championship 20072361788

1514National ParkTimus Top Coders: Third Challenge2491807

1583CheeseNEERC 2007 Eastern Subregional2241872

1599Winding Number1011937

1532Lost in TranslationUSU Personal Contest 20072192011

1597Chernobyl’ Eagle on a Roof. Version 21092033

1541ChaseUSU Personal Contest 20072032162

1543Dance RevolutionUral Championship 20071992181

1504Good MannersNEERC 2006 Eastern Subregional2032219

1549Another Japanese PuzzleUral Championship 20071852337

1520Empire Strikes BackTimus Top Coders: Third Challenge1812450

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1442865

1505Oil TransferNEERC 2006 Eastern Subregional1542882

1566Triangular PostcardsUSU Championship 20071333076

1509Domino RecognitionNEERC 2006 Eastern Subregional1263476

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1153693

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest934284

1598DSA Attack444449

1594Aztec Treasure724714

1536Delights of Pipe-weedUSU Personal Contest 2007547194

1596Knight Mare249000

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389192

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest379388

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513190

1548Sakura and StatisticsUral Championship 20071915715

1589SokobanNEERC 2007 Eastern Subregional1418249