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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1293EniyaSpring School Contest 20042800316

1264WorkdaysAutumn School Contest 20031940524

12091, 10, 100, 1000...Autumn School Contest 20021211437

1225FlagsNEERC 2002 Central Subregional1185738

1263ElectionsAutumn School Contest 20031031644

1243Divorce of the Seven DwarfsUSU Personal Contest 2003885351

1224SpiralNEERC 2002 Central Subregional663968

1290SabotageSpring School Contest 2004575680

1297PalindromeSpring School Contest 2004533086

1203Scientific ConferenceUSU Local Contest. March 2002507588

1296HyperjumpSpring School Contest 2004506491

1214Strange ProcedureAutumn School Contest 20024458101

1228ArrayNEERC 2002 Central Subregional4316104

1260Nudnik PhotographerAutumn School Contest 20034049113

1226esreveR redrONEERC 2002 Central Subregional4036111

1219Symbolic SequenceUSU Championship 20023862116

1283DwarfUSU Personal Contest 20043810120

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023691120

1222Chernobyl’ EaglesUSU Championship 20023225139

1280Topological SortingNEERC 2003 Central Subregional3108147

1210Kind SpiritsAutumn School Contest 20023034148

1295Crazy NotionsSpring School Contest 20042996153

1272Non-Yekaterinburg SubwayUSU Championship 20032961154

1213Cockroaches!Autumn School Contest 20022658169

1242WerewolfUSU Personal Contest 20032170208

1249Ancient NecropolisUSU Local Contest. March 20032114213

1208Legendary Teams ContestUSU Local Contest. March 20022092212

1207Median on the PlaneUSU Local Contest. March 20022048217

1204IdempotentsUSU Local Contest. March 20021952227

1205By the Underground or by Foot?USU Local Contest. March 20021896234

1247Check a SequenceUSU Personal Contest 20031891238

1298KnightSpring School Contest 20041783256

1200Horns and HoofsUSU Local Contest. March 20021776250

1244GentlemenUSU Personal Contest 20031692266

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031675269

1220StacksUSU Championship 20021569285

1215Exactness of Projectile HitAutumn School Contest 20021492300

1294Mars SatellitesSpring School Contest 20041468311

1227Rally ChampionshipNEERC 2002 Central Subregional1441310

1223Chernobyl’ Eagle on a RoofUSU Championship 20021393321

1211Collective GuaranteeAutumn School Contest 20021380324

1218Episode N-th: The Jedi TournamentUSU Championship 20021366327

1282Game TreeNEERC 2003 Central Subregional1343338

1261TipsAutumn School Contest 20031336339

1246Tethered DogUSU Personal Contest 20031318341

1201Which Day Is It?USU Local Contest. March 20021271348

1292Mars Space StationsSpring School Contest 20041246366

1262Pseudo-Roman NumberAutumn School Contest 20031208375

1287Mars CanalsUSU Personal Contest 20041192382

1289One Way TicketUSU Personal Contest 20041176387

1259How to Become Star?Autumn School Contest 20031169387

1229Strong BrickworkNEERC 2002 Central Subregional1155387

1291Gear-wheelsSpring School Contest 20041134402

1252Sorting the TombstonesUSU Local Contest. March 20031107405

1217Unlucky TicketsUSU Championship 20021103405

1279WarehouseNEERC 2003 Central Subregional1083418

1258PoolAutumn School Contest 20031079419

1221Malevich Strikes Back!USU Championship 20021067418

1238FoldingNEERC 20021021438

1202Rectangles TravelUSU Local Contest. March 2002981450

1273TieUSU Championship 2003955474

1236Decoding TaskNEERC 2002890501

1212BattleshipAutumn School Contest 2002885503

1254Die HardUSU Local Contest. March 2003689648

1248Sequence SumUSU Personal Contest 2003685651

1234BricksNEERC 2002667666

1286Starship TravelUSU Personal Contest 2004666679

1253NecrologuesUSU Local Contest. March 2003661675

1274Fractional ArithmeticNEERC 2003 Central Subregional655688

1250Sea BurialUSU Local Contest. March 2003629709

1230Introspective ProgramNEERC 2002 Central Subregional602736

1268Little ChuUSU Championship 2003595755

1235Cricket FieldNEERC 2002589753

1277Cops and ThievesNEERC 2003 Central Subregional573784

1276TrainNEERC 2003 Central Subregional572786

1269Obscene Words FilterUSU Championship 2003517867

1245PicturesUSU Personal Contest 2003481922

1233Amusing NumbersNEERC 2002468944

1237Evacuation PlanNEERC 2002463955

1278“… Connecting People”NEERC 2003 Central Subregional452990

1281River BasinNEERC 2003 Central Subregional3191390

1240Heroes of Might and MagicNEERC 20023061427

1299PsyloniansSpring School Contest 20043021473

1266Kirchhoff's LawUSU Championship 20033001474

1265MirrorUSU Championship 20032971489

1251Cemetery ManagerUSU Local Contest. March 20032801562

1241Inlay CuttersNEERC 20022621660

1257HyphenationAutumn School Contest 20032581704

1285Thread in a HyperspaceUSU Personal Contest 20042451801

1267Yekaterinburg SubwayUSU Championship 20032221970

1216Two Pawns and One KingUSU Championship 20022122028

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2012135

1288AstrolocationUSU Personal Contest 20041982208

1232Asteroid LandingNEERC 2002 Central Subregional1862298

1284Space PokerUSU Personal Contest 20041862343

1256Cemetery GuardUSU Local Contest. March 20031852323

1270UnicubeUSU Championship 20031782431

1275Knights of the Round TableNEERC 2003 Central Subregional1612674

1239Ghost BustersNEERC 20021432948

1271Sailing DirectionsUSU Championship 2003874712