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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1293EniyaSpring School Contest 20042717117

1264WorkdaysAutumn School Contest 20031877024

12091, 10, 100, 1000...Autumn School Contest 20021183838

1225FlagsNEERC 2002 Central Subregional1157438

1263ElectionsAutumn School Contest 20031008145

1243Divorce of the Seven DwarfsUSU Personal Contest 2003865452

1224SpiralNEERC 2002 Central Subregional654368

1290SabotageSpring School Contest 2004567180

1297PalindromeSpring School Contest 2004526986

1203Scientific ConferenceUSU Local Contest. March 2002498188

1296HyperjumpSpring School Contest 2004485094

1214Strange ProcedureAutumn School Contest 20024400101

1228ArrayNEERC 2002 Central Subregional4280104

1260Nudnik PhotographerAutumn School Contest 20033989113

1226esreveR redrONEERC 2002 Central Subregional3984112

1219Symbolic SequenceUSU Championship 20023814117

1283DwarfUSU Personal Contest 20043755121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023652120

1222Chernobyl’ EaglesUSU Championship 20023194139

1280Topological SortingNEERC 2003 Central Subregional3057148

1210Kind SpiritsAutumn School Contest 20022985149

1295Crazy NotionsSpring School Contest 20042948154

1272Non-Yekaterinburg SubwayUSU Championship 20032909155

1213Cockroaches!Autumn School Contest 20022631169

1207Median on the PlaneUSU Local Contest. March 20022630167

1242WerewolfUSU Personal Contest 20032125210

1249Ancient NecropolisUSU Local Contest. March 20032091213

1208Legendary Teams ContestUSU Local Contest. March 20022062213

1204IdempotentsUSU Local Contest. March 20021929228

1205By the Underground or by Foot?USU Local Contest. March 20021878234

1247Check a SequenceUSU Personal Contest 20031864239

1298KnightSpring School Contest 20041769256

1200Horns and HoofsUSU Local Contest. March 20021759249

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031661268

1244GentlemenUSU Personal Contest 20031658269

1220StacksUSU Championship 20021558284

1215Exactness of Projectile HitAutumn School Contest 20021469301

1294Mars SatellitesSpring School Contest 20041453311

1227Rally ChampionshipNEERC 2002 Central Subregional1413313

1223Chernobyl’ Eagle on a RoofUSU Championship 20021365324

1211Collective GuaranteeAutumn School Contest 20021362325

1218Episode N-th: The Jedi TournamentUSU Championship 20021332332

1282Game TreeNEERC 2003 Central Subregional1321340

1261TipsAutumn School Contest 20031320340

1246Tethered DogUSU Personal Contest 20031294344

1201Which Day Is It?USU Local Contest. March 20021261347

1292Mars Space StationsSpring School Contest 20041234366

1262Pseudo-Roman NumberAutumn School Contest 20031197375

1287Mars CanalsUSU Personal Contest 20041169386

1259How to Become Star?Autumn School Contest 20031160386

1289One Way TicketUSU Personal Contest 20041157390

1229Strong BrickworkNEERC 2002 Central Subregional1139388

1291Gear-wheelsSpring School Contest 20041111406

1217Unlucky TicketsUSU Championship 20021087406

1252Sorting the TombstonesUSU Local Contest. March 20031085409

1279WarehouseNEERC 2003 Central Subregional1068420

1258PoolAutumn School Contest 20031058423

1221Malevich Strikes Back!USU Championship 20021056418

1238FoldingNEERC 2002993446

1202Rectangles TravelUSU Local Contest. March 2002969451

1273TieUSU Championship 2003941476

1236Decoding TaskNEERC 2002885499

1212BattleshipAutumn School Contest 2002875503

1248Sequence SumUSU Personal Contest 2003679650

1254Die HardUSU Local Contest. March 2003678652

1253NecrologuesUSU Local Contest. March 2003658671

1286Starship TravelUSU Personal Contest 2004655684

1234BricksNEERC 2002653673

1274Fractional ArithmeticNEERC 2003 Central Subregional650686

1250Sea BurialUSU Local Contest. March 2003617715

1230Introspective ProgramNEERC 2002 Central Subregional599732

1268Little ChuUSU Championship 2003584762

1235Cricket FieldNEERC 2002583753

1276TrainNEERC 2003 Central Subregional563790

1277Cops and ThievesNEERC 2003 Central Subregional563790

1269Obscene Words FilterUSU Championship 2003513865

1245PicturesUSU Personal Contest 2003478918

1233Amusing NumbersNEERC 2002466938

1237Evacuation PlanNEERC 2002460951

1278“… Connecting People”NEERC 2003 Central Subregional450984

1281River BasinNEERC 2003 Central Subregional3171384

1240Heroes of Might and MagicNEERC 20023021431

1266Kirchhoff's LawUSU Championship 20032991464

1299PsyloniansSpring School Contest 20042981477

1265MirrorUSU Championship 20032941488

1251Cemetery ManagerUSU Local Contest. March 20032771562

1241Inlay CuttersNEERC 20022621643

1257HyphenationAutumn School Contest 20032561700

1285Thread in a HyperspaceUSU Personal Contest 20042411811

1267Yekaterinburg SubwayUSU Championship 20032211959

1216Two Pawns and One KingUSU Championship 20022092035

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1992133

1288AstrolocationUSU Personal Contest 20041952218

1232Asteroid LandingNEERC 2002 Central Subregional1852286

1284Space PokerUSU Personal Contest 20041852332

1256Cemetery GuardUSU Local Contest. March 20031832323

1270UnicubeUSU Championship 20031782406

1275Knights of the Round TableNEERC 2003 Central Subregional1592679

1239Ghost BustersNEERC 20021422937

1271Sailing DirectionsUSU Championship 2003854762