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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1293EniyaSpring School Contest 20042668617

1264WorkdaysAutumn School Contest 20031848724

12091, 10, 100, 1000...Autumn School Contest 20021171538

1225FlagsNEERC 2002 Central Subregional1145039

1263ElectionsAutumn School Contest 2003999845

1243Divorce of the Seven DwarfsUSU Personal Contest 2003858152

1224SpiralNEERC 2002 Central Subregional649768

1290SabotageSpring School Contest 2004563380

1297PalindromeSpring School Contest 2004523286

1203Scientific ConferenceUSU Local Contest. March 2002494289

1296HyperjumpSpring School Contest 2004480294

1214Strange ProcedureAutumn School Contest 20024374101

1228ArrayNEERC 2002 Central Subregional4258104

1226esreveR redrONEERC 2002 Central Subregional3962112

1260Nudnik PhotographerAutumn School Contest 20033961113

1219Symbolic SequenceUSU Championship 20023796117

1283DwarfUSU Personal Contest 20043733121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023626121

1222Chernobyl’ EaglesUSU Championship 20023178139

1280Topological SortingNEERC 2003 Central Subregional3021149

1210Kind SpiritsAutumn School Contest 20022961149

1295Crazy NotionsSpring School Contest 20042938154

1272Non-Yekaterinburg SubwayUSU Championship 20032875156

1213Cockroaches!Autumn School Contest 20022623168

1207Median on the PlaneUSU Local Contest. March 20022618167

1242WerewolfUSU Personal Contest 20032106211

1249Ancient NecropolisUSU Local Contest. March 20032079214

1208Legendary Teams ContestUSU Local Contest. March 20022048213

1204IdempotentsUSU Local Contest. March 20021917228

1205By the Underground or by Foot?USU Local Contest. March 20021861235

1247Check a SequenceUSU Personal Contest 20031848240

1298KnightSpring School Contest 20041761256

1200Horns and HoofsUSU Local Contest. March 20021747250

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031656268

1244GentlemenUSU Personal Contest 20031639271

1220StacksUSU Championship 20021551284

1215Exactness of Projectile HitAutumn School Contest 20021464301

1294Mars SatellitesSpring School Contest 20041448311

1227Rally ChampionshipNEERC 2002 Central Subregional1407313

1223Chernobyl’ Eagle on a RoofUSU Championship 20021357325

1211Collective GuaranteeAutumn School Contest 20021355325

1218Episode N-th: The Jedi TournamentUSU Championship 20021327332

1261TipsAutumn School Contest 20031309341

1282Game TreeNEERC 2003 Central Subregional1308342

1246Tethered DogUSU Personal Contest 20031282345

1201Which Day Is It?USU Local Contest. March 20021255347

1292Mars Space StationsSpring School Contest 20041230365

1262Pseudo-Roman NumberAutumn School Contest 20031192375

1287Mars CanalsUSU Personal Contest 20041168384

1289One Way TicketUSU Personal Contest 20041154389

1259How to Become Star?Autumn School Contest 20031148389

1229Strong BrickworkNEERC 2002 Central Subregional1128390

1291Gear-wheelsSpring School Contest 20041092411

1217Unlucky TicketsUSU Championship 20021081407

1252Sorting the TombstonesUSU Local Contest. March 20031081409

1279WarehouseNEERC 2003 Central Subregional1067419

1221Malevich Strikes Back!USU Championship 20021053417

1258PoolAutumn School Contest 20031045427

1238FoldingNEERC 2002989445

1202Rectangles TravelUSU Local Contest. March 2002964451

1273TieUSU Championship 2003936476

1236Decoding TaskNEERC 2002884497

1212BattleshipAutumn School Contest 2002873502

1248Sequence SumUSU Personal Contest 2003678648

1254Die HardUSU Local Contest. March 2003676651

1253NecrologuesUSU Local Contest. March 2003658668

1286Starship TravelUSU Personal Contest 2004655681

1234BricksNEERC 2002650673

1274Fractional ArithmeticNEERC 2003 Central Subregional649684

1250Sea BurialUSU Local Contest. March 2003617712

1230Introspective ProgramNEERC 2002 Central Subregional599729

1268Little ChuUSU Championship 2003580764

1235Cricket FieldNEERC 2002576758

1276TrainNEERC 2003 Central Subregional562788

1277Cops and ThievesNEERC 2003 Central Subregional562788

1269Obscene Words FilterUSU Championship 2003511865

1245PicturesUSU Personal Contest 2003475920

1233Amusing NumbersNEERC 2002462942

1237Evacuation PlanNEERC 2002459949

1278“… Connecting People”NEERC 2003 Central Subregional449982

1281River BasinNEERC 2003 Central Subregional3161383

1240Heroes of Might and MagicNEERC 20023011429

1266Kirchhoff's LawUSU Championship 20032991458

1265MirrorUSU Championship 20032941482

1299PsyloniansSpring School Contest 20042941490

1251Cemetery ManagerUSU Local Contest. March 20032761561

1241Inlay CuttersNEERC 20022611642

1257HyphenationAutumn School Contest 20032551699

1285Thread in a HyperspaceUSU Personal Contest 20042391818

1267Yekaterinburg SubwayUSU Championship 20032201959

1216Two Pawns and One KingUSU Championship 20022082035

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1982134

1288AstrolocationUSU Personal Contest 20041942219

1232Asteroid LandingNEERC 2002 Central Subregional1852276

1284Space PokerUSU Personal Contest 20041852322

1256Cemetery GuardUSU Local Contest. March 20031832313

1270UnicubeUSU Championship 20031782396

1275Knights of the Round TableNEERC 2003 Central Subregional1592667

1239Ghost BustersNEERC 20021422924

1271Sailing DirectionsUSU Championship 2003854742