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Problem set. Volume 6


IDTitleSourceAuthorsDifficulty

1585PenguinsNEERC 2007 Eastern Subregional1155338

1567SMS-spamUSU Championship 20071096040

1581TeamworkAutumn School Contest 20071094740

1545HieroglyphsUral Championship 2007912150

1563BayanUSU Championship 2007822054

1502Domino DotsNEERC 2006 Eastern Subregional644473

1510OrderNEERC 2006 Eastern Subregional545287

1573AlchemyAutumn School Contest 20074129106

1582BookmakersNEERC 2007 Eastern Subregional3633120

1521War Games 2Timus Top Coders: Third Challenge3523133

1506Columns of NumbersNEERC 2006 Eastern Subregional3340141

1572Yekaterinozavodsk Great WellAutumn School Contest 20073038144

1586Threeprime NumbersNEERC 2007 Eastern Subregional3029144

1576Telephone TariffsAutumn School Contest 20073021145

1590Bacon’s CipherNEERC 2007 Eastern Subregional2298190

1515CashmasterTimus Top Coders: Third Challenge2194213

1517Freedom of ChoiceTimus Top Coders: Third Challenge1857251

1501Sense of BeautyNEERC 2006 Eastern Subregional1776265

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1718267

1551Sumo TournamentUral Championship 20071673271

1537EntsUSU Personal Contest 20071625282

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1516289

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1549296

1588JamaicaNEERC 2007 Eastern Subregional1352322

1574Mathematicians and bracketsAutumn School Contest 20071239352

1513Lemon TaleTimus Top Coders: Third Challenge1232377

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1155397

1562GM-pineappleUSU Championship 20071084403

1507Difficult DecisionNEERC 2006 Eastern Subregional1062441

1571InterpretersUSU Championship 2007974448

1519Formula 1Timus Top Coders: Third Challenge1013458

1577E-mailAutumn School Contest 2007924471

1579Coat TransportationAutumn School Contest 2007886491

1535The Hobbit or There and Back AgainUSU Personal Contest 2007914499

1534Football in GondorUSU Personal Contest 2007787578

1550Dean's Pyramid 3Ural Championship 2007761592

1592Chinese WatchesNEERC 2007 Eastern Subregional721600

1500Pass LicensesNEERC 2006 Eastern Subregional737633

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest687634

1542AutocompletionUral Championship 2007705638

1564Counting OnesUSU Championship 2007633685

1593Square Country. Version 2528738

1587Flying PigNEERC 2007 Eastern Subregional533807

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest505858

1547Password SearchUral Championship 2007521859

1512ZiniumTimus Top Coders: Third Challenge533863

1575Yekaterinburg Subway 2Autumn School Contest 2007499864

1578Mammoth HuntAutumn School Contest 2007494873

1580Dean's DebtsAutumn School Contest 2007489881

1546Japanese SortingUral Championship 2007507882

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest508892

1570Eating HighUSU Championship 2007477904

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest464932

1569Networking the “Iset”USU Championship 2007454949

1533Fat HobbitsUSU Personal Contest 20074401024

1518Jedi Riddle 3Timus Top Coders: Third Challenge4341055

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051057

1539Intelligence DataUSU Personal Contest 20074211069

1540Battle for the RingUSU Personal Contest 20074131090

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3871164

1595Perfect Sequence3221165

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3621187

1511Fiscal OperationsTimus Top Coders: Third Challenge3781207

1544Classmates 3Ural Championship 20073581240

1538Towers of GuardUSU Personal Contest 20073501280

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3151349

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3301359

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3141426

1568Train Car SortingUSU Championship 20072581643

1508Japanese PuzzleNEERC 2006 Eastern Subregional2771649

1503PolynomialNEERC 2006 Eastern Subregional2601752

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2501777

1516NostalgiaTimus Top Coders: Third Challenge2511794

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361796

1565The Duel for ThreeUSU Championship 20072351798

1514National ParkTimus Top Coders: Third Challenge2481815

1583CheeseNEERC 2007 Eastern Subregional2231882

1599Winding Number1021926

1532Lost in TranslationUSU Personal Contest 20072182021

1597Chernobyl’ Eagle on a Roof. Version 21082056

1541ChaseUSU Personal Contest 20072022174

1543Dance RevolutionUral Championship 20071982193

1504Good MannersNEERC 2006 Eastern Subregional2022232

1549Another Japanese PuzzleUral Championship 20071842352

1520Empire Strikes BackTimus Top Coders: Third Challenge1802465

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1432887

1505Oil TransferNEERC 2006 Eastern Subregional1532903

1566Triangular PostcardsUSU Championship 20071323101

1509Domino RecognitionNEERC 2006 Eastern Subregional1253505

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1143727

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest924330

1598DSA Attack434545

1594Aztec Treasure714779

1536Delights of Pipe-weedUSU Personal Contest 2007537316

1596Knight Mare239290

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379398

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369602

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513203

1548Sakura and StatisticsUral Championship 20072015207

1589SokobanNEERC 2007 Eastern Subregional1517538