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Problem set. Volume 6


1567SMS-spamUSU Championship 2007930941

1581TeamworkAutumn School Contest 2007903542

1585PenguinsNEERC 2007 Eastern Subregional911442

1545HieroglyphsUral Championship 2007738454

1563BayanUSU Championship 2007641560

1502Domino DotsNEERC 2006 Eastern Subregional553876

1510OrderNEERC 2006 Eastern Subregional469689

1573AlchemyAutumn School Contest 20073620105

1582BookmakersNEERC 2007 Eastern Subregional3262116

1572Yekaterinozavodsk Great WellAutumn School Contest 20072668143

1576Telephone TariffsAutumn School Contest 20072664143

1586Threeprime NumbersNEERC 2007 Eastern Subregional2456154

1506Columns of NumbersNEERC 2006 Eastern Subregional2620159

1515CashmasterTimus Top Coders: Third Challenge1915215

1590Bacon’s CipherNEERC 2007 Eastern Subregional1716221

1521War Games 2Timus Top Coders: Third Challenge1583260

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1547261

1501Sense of BeautyNEERC 2006 Eastern Subregional1535271

1537EntsUSU Personal Contest 20071441280

1517Freedom of ChoiceTimus Top Coders: Third Challenge1391295

1551Sumo TournamentUral Championship 20071296307

1588JamaicaNEERC 2007 Eastern Subregional1194316

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1257321

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1070356

1574Mathematicians and bracketsAutumn School Contest 20071059358

1513Lemon TaleTimus Top Coders: Third Challenge1040394

1562GM-pineappleUSU Championship 2007923411

1519Formula 1Timus Top Coders: Third Challenge968423

1507Difficult DecisionNEERC 2006 Eastern Subregional969428

1571InterpretersUSU Championship 2007878431

1525PathPetrozavodsk Winter 2007. D.Gozman Contest841478

1535The Hobbit or There and Back AgainUSU Personal Contest 2007837479

1577E-mailAutumn School Contest 2007781483

1579Coat TransportationAutumn School Contest 2007758498

1534Football in GondorUSU Personal Contest 2007711563

1592Chinese WatchesNEERC 2007 Eastern Subregional635590

1550Dean's Pyramid 3Ural Championship 2007662596

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest601629

1500Pass LicensesNEERC 2006 Eastern Subregional647638

1542AutocompletionUral Championship 2007611645

1564Counting OnesUSU Championship 2007563668

1593Square Country. Version 2441743

1587Flying PigNEERC 2007 Eastern Subregional468797

1512ZiniumTimus Top Coders: Third Challenge505804

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest455827

1547Password SearchUral Championship 2007466841

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest453879

1578Mammoth HuntAutumn School Contest 2007422885

1580Dean's DebtsAutumn School Contest 2007415900

1575Yekaterinburg Subway 2Autumn School Contest 2007408915

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest381983

1591Abstract ThinkingNEERC 2007 Eastern Subregional3671010

1570Eating HighUSU Championship 20073591038

1569Networking the “Iset”USU Championship 20073581041

1539Intelligence DataUSU Personal Contest 20073791043

1518Jedi Riddle 3Timus Top Coders: Third Challenge3821056

1533Fat HobbitsUSU Personal Contest 20073631087

1546Japanese SortingUral Championship 20073541100

1540Battle for the RingUSU Personal Contest 20073571105

1595Perfect Sequence2811113

1511Fiscal OperationsTimus Top Coders: Third Challenge3421176

1544Classmates 3Ural Championship 20073241199

1538Towers of GuardUSU Personal Contest 20073181237

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional2971241

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest2861299

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest2961330

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2871370

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest2831389

1568Train Car SortingUSU Championship 20072331576

1565The Duel for ThreeUSU Championship 20072191673

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2191679

1508Japanese PuzzleNEERC 2006 Eastern Subregional2371697

1583CheeseNEERC 2007 Eastern Subregional2051771

1503PolynomialNEERC 2006 Eastern Subregional2261776

1516NostalgiaTimus Top Coders: Third Challenge2191807

1514National ParkTimus Top Coders: Third Challenge2151839

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2001938

1532Lost in TranslationUSU Personal Contest 20071961969

1541ChaseUSU Personal Contest 20071832102

1543Dance RevolutionUral Championship 20071732188

1549Another Japanese PuzzleUral Championship 20071672262

1504Good MannersNEERC 2006 Eastern Subregional1732290

1520Empire Strikes BackTimus Top Coders: Third Challenge1552508

1599Winding Number432552

1597Chernobyl’ Eagle on a Roof. Version 2522660

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1312726

1505Oil TransferNEERC 2006 Eastern Subregional1302994

1566Triangular PostcardsUSU Championship 20071173016

1509Domino RecognitionNEERC 2006 Eastern Subregional1033709

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest883923

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest904070

1598DSA Attack284290

1594Aztec Treasure594699

1536Delights of Pipe-weedUSU Personal Contest 2007496875

1596Knight Mare178720

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest329153

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest2311649

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2212717

1548Sakura and StatisticsUral Championship 20071913808

1589SokobanNEERC 2007 Eastern Subregional821158