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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1200Horns and HoofsUSU Local Contest. March 20021698249

1201Which Day Is It?USU Local Contest. March 20021226343

1202Rectangles TravelUSU Local Contest. March 2002944445

1203Scientific ConferenceUSU Local Contest. March 2002456693

1204IdempotentsUSU Local Contest. March 20021838230

1205By the Underground or by Foot?USU Local Contest. March 20021784237

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023459122

1207Median on the PlaneUSU Local Contest. March 20022432174

1208Legendary Teams ContestUSU Local Contest. March 20022210191

12091, 10, 100, 1000...Autumn School Contest 20021086339

1210Kind SpiritsAutumn School Contest 20022818152

1211Collective GuaranteeAutumn School Contest 20021316323

1212BattleshipAutumn School Contest 2002845502

1213Cockroaches!Autumn School Contest 20022517170

1214Strange ProcedureAutumn School Contest 20024189102

1215Exactness of Projectile HitAutumn School Contest 20021401304

1216Two Pawns and One KingUSU Championship 20022042005

1217Unlucky TicketsUSU Championship 20021051404

1218Episode N-th: The Jedi TournamentUSU Championship 20021282332

1219Symbolic SequenceUSU Championship 20023633118

1220StacksUSU Championship 20021513282

1221Malevich Strikes Back!USU Championship 20021037410

1222Chernobyl’ EaglesUSU Championship 20023037141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021297328

1224SpiralNEERC 2002 Central Subregional614770

1225FlagsNEERC 2002 Central Subregional1063740

1226esreveR redrONEERC 2002 Central Subregional3740114

1227Rally ChampionshipNEERC 2002 Central Subregional1356314

1228ArrayNEERC 2002 Central Subregional4096105

1229Strong BrickworkNEERC 2002 Central Subregional1106385

1230Introspective ProgramNEERC 2002 Central Subregional587719

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1942104

1232Asteroid LandingNEERC 2002 Central Subregional1842212

1233Amusing NumbersNEERC 2002454927

1234BricksNEERC 2002637664

1235Cricket FieldNEERC 2002559756

1236Decoding TaskNEERC 2002869489

1237Evacuation PlanNEERC 2002456924

1238FoldingNEERC 2002957445

1239Ghost BustersNEERC 20021412847

1240Heroes of Might and MagicNEERC 20022911428

1241Inlay CuttersNEERC 20022591600

1242WerewolfUSU Personal Contest 20031965219

1243Divorce of the Seven DwarfsUSU Personal Contest 2003804454

1244GentlemenUSU Personal Contest 20031574272

1245PicturesUSU Personal Contest 2003457924

1246Tethered DogUSU Personal Contest 20031236346

1247Check a SequenceUSU Personal Contest 20031776242

1248Sequence SumUSU Personal Contest 2003656648

1249Ancient NecropolisUSU Local Contest. March 20032008214

1250Sea BurialUSU Local Contest. March 2003596713

1251Cemetery ManagerUSU Local Contest. March 20032731526

1252Sorting the TombstonesUSU Local Contest. March 20031043410

1253NecrologuesUSU Local Contest. March 2003639665

1254Die HardUSU Local Contest. March 2003652652

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031594269

1256Cemetery GuardUSU Local Contest. March 20031812261

1257HyphenationAutumn School Contest 20032501676

1258PoolAutumn School Contest 2003990436

1259How to Become Star?Autumn School Contest 20031118386

1260Nudnik PhotographerAutumn School Contest 20033711117

1261TipsAutumn School Contest 20031245347

1262Pseudo-Roman NumberAutumn School Contest 20031173368

1263ElectionsAutumn School Contest 2003941546

1264WorkdaysAutumn School Contest 20031682026

1265MirrorUSU Championship 20032841483

1266Kirchhoff's LawUSU Championship 20032881463

1267Yekaterinburg SubwayUSU Championship 20032141947

1268Little ChuUSU Championship 2003547783

1269Obscene Words FilterUSU Championship 2003526814

1270UnicubeUSU Championship 20031732383

1271Sailing DirectionsUSU Championship 2003854591

1272Non-Yekaterinburg SubwayUSU Championship 20032704161

1273TieUSU Championship 2003906476

1274Fractional ArithmeticNEERC 2003 Central Subregional631681

1275Knights of the Round TableNEERC 2003 Central Subregional1572613

1276TrainNEERC 2003 Central Subregional544788

1277Cops and ThievesNEERC 2003 Central Subregional536799

1278“… Connecting People”NEERC 2003 Central Subregional444961

1279WarehouseNEERC 2003 Central Subregional1046413

1280Topological SortingNEERC 2003 Central Subregional2800155

1281River BasinNEERC 2003 Central Subregional3101364

1282Game TreeNEERC 2003 Central Subregional1256345

1283DwarfUSU Personal Contest 20043525124

1284Space PokerUSU Personal Contest 20041812295

1285Thread in a HyperspaceUSU Personal Contest 20042092002

1286Starship TravelUSU Personal Contest 2004633682

1287Mars CanalsUSU Personal Contest 20041134383

1288AstrolocationUSU Personal Contest 20041902192

1289One Way TicketUSU Personal Contest 20041109392

1290SabotageSpring School Contest 2004532482

1291Gear-wheelsSpring School Contest 20041056411

1292Mars Space StationsSpring School Contest 20041191365

1293EniyaSpring School Contest 20042418918

1294Mars SatellitesSpring School Contest 20041372317

1295Crazy NotionsSpring School Contest 20042785157

1296HyperjumpSpring School Contest 20044354101

1297PalindromeSpring School Contest 2004489589

1298KnightSpring School Contest 20041701256

1299PsyloniansSpring School Contest 20042891467