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Problem set. Volume 6


1567SMS-spamUSU Championship 2007976440

1581TeamworkAutumn School Contest 2007948041

1585PenguinsNEERC 2007 Eastern Subregional959741

1545HieroglyphsUral Championship 2007783852

1563BayanUSU Championship 2007678158

1502Domino DotsNEERC 2006 Eastern Subregional571975

1510OrderNEERC 2006 Eastern Subregional485688

1573AlchemyAutumn School Contest 20073783103

1582BookmakersNEERC 2007 Eastern Subregional3359116

1572Yekaterinozavodsk Great WellAutumn School Contest 20072752142

1576Telephone TariffsAutumn School Contest 20072736143

1586Threeprime NumbersNEERC 2007 Eastern Subregional2589150

1506Columns of NumbersNEERC 2006 Eastern Subregional2746155

1515CashmasterTimus Top Coders: Third Challenge1978213

1590Bacon’s CipherNEERC 2007 Eastern Subregional1799216

1521War Games 2Timus Top Coders: Third Challenge1786236

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1595260

1501Sense of BeautyNEERC 2006 Eastern Subregional1595267

1537EntsUSU Personal Contest 20071467281

1517Freedom of ChoiceTimus Top Coders: Third Challenge1471286

1551Sumo TournamentUral Championship 20071359300

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1320313

1588JamaicaNEERC 2007 Eastern Subregional1235314

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1211323

1574Mathematicians and bracketsAutumn School Contest 20071090357

1513Lemon TaleTimus Top Coders: Third Challenge1108379

1562GM-pineappleUSU Championship 2007955407

1507Difficult DecisionNEERC 2006 Eastern Subregional991428

1571InterpretersUSU Championship 2007903430

1519Formula 1Timus Top Coders: Third Challenge973431

1525PathPetrozavodsk Winter 2007. D.Gozman Contest874471

1577E-mailAutumn School Contest 2007814476

1535The Hobbit or There and Back AgainUSU Personal Contest 2007851482

1579Coat TransportationAutumn School Contest 2007790490

1534Football in GondorUSU Personal Contest 2007735557

1592Chinese WatchesNEERC 2007 Eastern Subregional656587

1550Dean's Pyramid 3Ural Championship 2007672601

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest615631

1500Pass LicensesNEERC 2006 Eastern Subregional667633

1542AutocompletionUral Championship 2007629642

1564Counting OnesUSU Championship 2007577669

1593Square Country. Version 2457741

1587Flying PigNEERC 2007 Eastern Subregional480798

1512ZiniumTimus Top Coders: Third Challenge511812

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest470822

1547Password SearchUral Championship 2007486827

1580Dean's DebtsAutumn School Contest 2007437877

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest462882

1578Mammoth HuntAutumn School Contest 2007426900

1575Yekaterinburg Subway 2Autumn School Contest 2007415923

1546Japanese SortingUral Championship 2007427938

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest391983

1591Abstract ThinkingNEERC 2007 Eastern Subregional3761012

1569Networking the “Iset”USU Championship 20073741023

1570Eating HighUSU Championship 20073701034

1539Intelligence DataUSU Personal Contest 20073801065

1518Jedi Riddle 3Timus Top Coders: Third Challenge3861069

1533Fat HobbitsUSU Personal Contest 20073741081

1540Battle for the RingUSU Personal Contest 20073671101

1595Perfect Sequence2881124

1511Fiscal OperationsTimus Top Coders: Third Challenge3471186

1544Classmates 3Ural Championship 20073331196

1538Towers of GuardUSU Personal Contest 20073231247

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3001261

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2901314

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2981352

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2971357

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2931375

1568Train Car SortingUSU Championship 20072381584

1565The Duel for ThreeUSU Championship 20072211701

1508Japanese PuzzleNEERC 2006 Eastern Subregional2411707

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2201715

1503PolynomialNEERC 2006 Eastern Subregional2281800

1583CheeseNEERC 2007 Eastern Subregional2071801

1516NostalgiaTimus Top Coders: Third Challenge2221824

1514National ParkTimus Top Coders: Third Challenge2171865

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2051937

1532Lost in TranslationUSU Personal Contest 20071981996

1541ChaseUSU Personal Contest 20071892086

1543Dance RevolutionUral Championship 20071752217

1549Another Japanese PuzzleUral Championship 20071712266

1504Good MannersNEERC 2006 Eastern Subregional1742329

1520Empire Strikes BackTimus Top Coders: Third Challenge1582519

1599Winding Number472617

1597Chernobyl’ Eagle on a Roof. Version 2572662

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1332758

1505Oil TransferNEERC 2006 Eastern Subregional1332996

1566Triangular PostcardsUSU Championship 20071183070

1509Domino RecognitionNEERC 2006 Eastern Subregional1043758

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest893983

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest924083

1598DSA Attack304412

1594Aztec Treasure594857

1536Delights of Pipe-weedUSU Personal Contest 2007516806

1596Knight Mare179176

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329389

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2411598

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2213015

1548Sakura and StatisticsUral Championship 20071317829

1589SokobanNEERC 2007 Eastern Subregional821711