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Problem set. Volume 6


IDTitleSourceAuthorsDifficulty

1585PenguinsNEERC 2007 Eastern Subregional1152938

1567SMS-spamUSU Championship 20071094140

1581TeamworkAutumn School Contest 20071092540

1545HieroglyphsUral Championship 2007911150

1563BayanUSU Championship 2007820354

1502Domino DotsNEERC 2006 Eastern Subregional644073

1510OrderNEERC 2006 Eastern Subregional544687

1573AlchemyAutumn School Contest 20074125106

1582BookmakersNEERC 2007 Eastern Subregional3631120

1521War Games 2Timus Top Coders: Third Challenge3481134

1506Columns of NumbersNEERC 2006 Eastern Subregional3338141

1572Yekaterinozavodsk Great WellAutumn School Contest 20073034144

1586Threeprime NumbersNEERC 2007 Eastern Subregional3027144

1576Telephone TariffsAutumn School Contest 20073020145

1590Bacon’s CipherNEERC 2007 Eastern Subregional2293190

1515CashmasterTimus Top Coders: Third Challenge2193212

1517Freedom of ChoiceTimus Top Coders: Third Challenge1850251

1501Sense of BeautyNEERC 2006 Eastern Subregional1776264

1528SequencePetrozavodsk Winter 2007. D.Gozman Contest1717267

1551Sumo TournamentUral Championship 20071666272

1537EntsUSU Personal Contest 20071623282

1553Caves and TunnelsPetrozavodsk Summer 2007. NSU Contest1513289

1523K-inversionsPetrozavodsk Winter 2007. D.Gozman Contest1548296

1588JamaicaNEERC 2007 Eastern Subregional1349322

1574Mathematicians and bracketsAutumn School Contest 20071215358

1513Lemon TaleTimus Top Coders: Third Challenge1230377

1525PathPetrozavodsk Winter 2007. D.Gozman Contest1150398

1562GM-pineappleUSU Championship 20071061410

1507Difficult DecisionNEERC 2006 Eastern Subregional1062441

1571InterpretersUSU Championship 2007972448

1519Formula 1Timus Top Coders: Third Challenge1013457

1577E-mailAutumn School Contest 2007924470

1579Coat TransportationAutumn School Contest 2007885490

1535The Hobbit or There and Back AgainUSU Personal Contest 2007914498

1534Football in GondorUSU Personal Contest 2007784579

1550Dean's Pyramid 3Ural Championship 2007758593

1592Chinese WatchesNEERC 2007 Eastern Subregional720599

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest687632

1500Pass LicensesNEERC 2006 Eastern Subregional736633

1542AutocompletionUral Championship 2007706636

1564Counting OnesUSU Championship 2007631686

1593Square Country. Version 2529735

1587Flying PigNEERC 2007 Eastern Subregional534804

1547Password SearchUral Championship 2007522856

1558Periodical NumbersPetrozavodsk Summer 2007. NSU Contest505856

1512ZiniumTimus Top Coders: Third Challenge534859

1575Yekaterinburg Subway 2Autumn School Contest 2007500860

1578Mammoth HuntAutumn School Contest 2007493872

1580Dean's DebtsAutumn School Contest 2007490878

1546Japanese SortingUral Championship 2007507881

1530Ones and ZeroesPetrozavodsk Winter 2007. D.Gozman Contest508890

1570Eating HighUSU Championship 2007478901

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest465928

1569Networking the “Iset”USU Championship 2007455945

1533Fat HobbitsUSU Personal Contest 20074411020

1518Jedi Riddle 3Timus Top Coders: Third Challenge4351050

1591Abstract ThinkingNEERC 2007 Eastern Subregional4051054

1539Intelligence DataUSU Personal Contest 20074211067

1540Battle for the RingUSU Personal Contest 20074141085

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3881159

1595Perfect Sequence3231159

1552BrainfuckPetrozavodsk Summer 2007. NSU Contest3631182

1511Fiscal OperationsTimus Top Coders: Third Challenge3791202

1544Classmates 3Ural Championship 20073591234

1538Towers of GuardUSU Personal Contest 20073501278

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161342

1526Martian PlatesPetrozavodsk Winter 2007. D.Gozman Contest3311353

1531Zones on a PlanePetrozavodsk Winter 2007. D.Gozman Contest3151419

1568Train Car SortingUSU Championship 20072591634

1508Japanese PuzzleNEERC 2006 Eastern Subregional2781640

1503PolynomialNEERC 2006 Eastern Subregional2611743

1522FactoryPetrozavodsk Winter 2007. D.Gozman Contest2511767

1516NostalgiaTimus Top Coders: Third Challenge2521784

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2371784

1565The Duel for ThreeUSU Championship 20072361786

1514National ParkTimus Top Coders: Third Challenge2491805

1583CheeseNEERC 2007 Eastern Subregional2231878

1599Winding Number1011931

1532Lost in TranslationUSU Personal Contest 20072192009

1597Chernobyl’ Eagle on a Roof. Version 21092028

1541ChaseUSU Personal Contest 20072032160

1543Dance RevolutionUral Championship 20071982189

1504Good MannersNEERC 2006 Eastern Subregional2032217

1549Another Japanese PuzzleUral Championship 20071842347

1520Empire Strikes BackTimus Top Coders: Third Challenge1812447

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1442862

1505Oil TransferNEERC 2006 Eastern Subregional1532897

1566Triangular PostcardsUSU Championship 20071333073

1509Domino RecognitionNEERC 2006 Eastern Subregional1253498

1529Game of SquaresPetrozavodsk Winter 2007. D.Gozman Contest1153690

1559TruCoders LinguisticsPetrozavodsk Summer 2007. NSU Contest934279

1598DSA Attack434521

1594Aztec Treasure724708

1536Delights of Pipe-weedUSU Personal Contest 2007547187

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest389182

1596Knight Mare239255

1555Find the Treasure!Petrozavodsk Summer 2007. NSU Contest369582

1524Men in BlackPetrozavodsk Winter 2007. D.Gozman Contest2513178

1548Sakura and StatisticsUral Championship 20071816260

1589SokobanNEERC 2007 Eastern Subregional1418229