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Problem set. Volume 6


IDTitleSourceAuthorsDifficulty

1585PenguinsNEERC 2007 Eastern Subregional1154538

1567SMS-spamUSU Championship 20071095640

1581TeamworkAutumn School Contest 20071094440

1545HieroglyphsUral Championship 2007911950

1563BayanUSU Championship 2007821754

1502Domino DotsNEERC 2006 Eastern Subregional644473

1510OrderNEERC 2006 Eastern Subregional545187

1573AlchemyAutumn School Contest 20074128106

1582BookmakersNEERC 2007 Eastern Subregional3633120

1521War Games 2Timus Top Coders: Third Challenge3514133

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 Subregional2294190

1515CashmasterTimus Top Coders: Third Challenge2194212

1517Freedom of ChoiceTimus Top Coders: Third Challenge1856251

1501Sense of BeautyNEERC 2006 Eastern Subregional1776265

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1717267

1551Sumo TournamentUral Championship 20071667272

1537EntsUSU Personal Contest 20071625282

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1548297

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1515290

1588JamaicaNEERC 2007 Eastern Subregional1352322

1513Lemon TaleTimus Top Coders: Third Challenge1232377

1574Mathematicians and bracketsAutumn School Contest 20071225356

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1155397

1562GM-pineappleUSU Championship 20071082403

1507Difficult DecisionNEERC 2006 Eastern Subregional1062441

1519Formula 1Timus Top Coders: Third Challenge1013458

1571InterpretersUSU Championship 2007973448

1577E-mailAutumn School Contest 2007923471

1535The Hobbit or There and Back AgainUSU Personal Contest 2007914499

1579Coat TransportationAutumn School Contest 2007884492

1534Football in GondorUSU Personal Contest 2007786579

1550Dean's Pyramid 3Ural Championship 2007761591

1500Pass LicensesNEERC 2006 Eastern Subregional737633

1592Chinese WatchesNEERC 2007 Eastern Subregional720600

1542AutocompletionUral Championship 2007705638

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest687633

1564Counting OnesUSU Championship 2007632686

1512ZiniumTimus Top Coders: Third Challenge533862

1587Flying PigNEERC 2007 Eastern Subregional533807

1593Square Country. Version 2528737

1547Password SearchUral Championship 2007521859

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest508892

1546Japanese SortingUral Championship 2007506884

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest505857

1575Yekaterinburg Subway 2Autumn School Contest 2007499864

1578Mammoth HuntAutumn School Contest 2007494872

1580Dean's DebtsAutumn School Contest 2007489881

1570Eating HighUSU Championship 2007477904

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest464931

1569Networking the “Iset”USU Championship 2007454949

1533Fat HobbitsUSU Personal Contest 20074401024

1518Jedi Riddle 3Timus Top Coders: Third Challenge4341054

1539Intelligence DataUSU Personal Contest 20074211069

1540Battle for the RingUSU Personal Contest 20074131089

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051056

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3871164

1511Fiscal OperationsTimus Top Coders: Third Challenge3781207

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3621187

1544Classmates 3Ural Championship 20073581239

1538Towers of GuardUSU Personal Contest 20073501280

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3301359

1595Perfect Sequence3221165

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3151349

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

1508Japanese PuzzleNEERC 2006 Eastern Subregional2771648

1503PolynomialNEERC 2006 Eastern Subregional2601752

1568Train Car SortingUSU Championship 20072581643

1516NostalgiaTimus Top Coders: Third Challenge2511794

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2501777

1514National ParkTimus Top Coders: Third Challenge2481815

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2361795

1565The Duel for ThreeUSU Championship 20072351797

1583CheeseNEERC 2007 Eastern Subregional2231881

1532Lost in TranslationUSU Personal Contest 20072182021

1504Good MannersNEERC 2006 Eastern Subregional2022231

1541ChaseUSU Personal Contest 20072022173

1543Dance RevolutionUral Championship 20071982192

1549Another Japanese PuzzleUral Championship 20071842351

1520Empire Strikes BackTimus Top Coders: Third Challenge1802464

1505Oil TransferNEERC 2006 Eastern Subregional1532902

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1432886

1566Triangular PostcardsUSU Championship 20071323100

1509Domino RecognitionNEERC 2006 Eastern Subregional1253504

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1143725

1597Chernobyl’ Eagle on a Roof. Version 21082054

1599Winding Number1021923

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest924328

1594Aztec Treasure714776

1536Delights of Pipe-weedUSU Personal Contest 2007537313

1598DSA Attack434540

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest379394

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369598

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513198

1596Knight Mare239283

1548Sakura and StatisticsUral Championship 20072015200

1589SokobanNEERC 2007 Eastern Subregional1517530