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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1293EniyaSpring School Contest 20042692117

1264WorkdaysAutumn School Contest 20031862724

12091, 10, 100, 1000...Autumn School Contest 20021177138

1225FlagsNEERC 2002 Central Subregional1151039

1263ElectionsAutumn School Contest 20031003045

1243Divorce of the Seven DwarfsUSU Personal Contest 2003861352

1224SpiralNEERC 2002 Central Subregional651968

1290SabotageSpring School Contest 2004564980

1297PalindromeSpring School Contest 2004524886

1203Scientific ConferenceUSU Local Contest. March 2002496289

1296HyperjumpSpring School Contest 2004482594

1214Strange ProcedureAutumn School Contest 20024390101

1228ArrayNEERC 2002 Central Subregional4268104

1260Nudnik PhotographerAutumn School Contest 20033976113

1226esreveR redrONEERC 2002 Central Subregional3972112

1219Symbolic SequenceUSU Championship 20023806117

1283DwarfUSU Personal Contest 20043743121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023642121

1222Chernobyl’ EaglesUSU Championship 20023188139

1280Topological SortingNEERC 2003 Central Subregional3035148

1210Kind SpiritsAutumn School Contest 20022971149

1295Crazy NotionsSpring School Contest 20042941154

1272Non-Yekaterinburg SubwayUSU Championship 20032887156

1213Cockroaches!Autumn School Contest 20022629168

1207Median on the PlaneUSU Local Contest. March 20022627167

1242WerewolfUSU Personal Contest 20032118210

1249Ancient NecropolisUSU Local Contest. March 20032086213

1208Legendary Teams ContestUSU Local Contest. March 20022057213

1204IdempotentsUSU Local Contest. March 20021925228

1205By the Underground or by Foot?USU Local Contest. March 20021869234

1247Check a SequenceUSU Personal Contest 20031859239

1298KnightSpring School Contest 20041766256

1200Horns and HoofsUSU Local Contest. March 20021755249

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031657268

1244GentlemenUSU Personal Contest 20031653269

1220StacksUSU Championship 20021554284

1215Exactness of Projectile HitAutumn School Contest 20021466301

1294Mars SatellitesSpring School Contest 20041452311

1227Rally ChampionshipNEERC 2002 Central Subregional1412313

1223Chernobyl’ Eagle on a RoofUSU Championship 20021361324

1211Collective GuaranteeAutumn School Contest 20021360324

1218Episode N-th: The Jedi TournamentUSU Championship 20021329332

1282Game TreeNEERC 2003 Central Subregional1315341

1261TipsAutumn School Contest 20031314341

1246Tethered DogUSU Personal Contest 20031290344

1201Which Day Is It?USU Local Contest. March 20021258347

1292Mars Space StationsSpring School Contest 20041230366

1262Pseudo-Roman NumberAutumn School Contest 20031193375

1287Mars CanalsUSU Personal Contest 20041169385

1289One Way TicketUSU Personal Contest 20041156389

1259How to Become Star?Autumn School Contest 20031151389

1229Strong BrickworkNEERC 2002 Central Subregional1131390

1291Gear-wheelsSpring School Contest 20041095411

1217Unlucky TicketsUSU Championship 20021085406

1252Sorting the TombstonesUSU Local Contest. March 20031084409

1279WarehouseNEERC 2003 Central Subregional1068419

1221Malevich Strikes Back!USU Championship 20021056417

1258PoolAutumn School Contest 20031049426

1238FoldingNEERC 2002993445

1202Rectangles TravelUSU Local Contest. March 2002966451

1273TieUSU Championship 2003937477

1236Decoding TaskNEERC 2002884498

1212BattleshipAutumn School Contest 2002873503

1248Sequence SumUSU Personal Contest 2003678650

1254Die HardUSU Local Contest. March 2003676652

1253NecrologuesUSU Local Contest. March 2003658670

1286Starship TravelUSU Personal Contest 2004655682

1234BricksNEERC 2002653672

1274Fractional ArithmeticNEERC 2003 Central Subregional650685

1250Sea BurialUSU Local Contest. March 2003617714

1230Introspective ProgramNEERC 2002 Central Subregional599731

1268Little ChuUSU Championship 2003581764

1235Cricket FieldNEERC 2002576760

1276TrainNEERC 2003 Central Subregional562790

1277Cops and ThievesNEERC 2003 Central Subregional562790

1269Obscene Words FilterUSU Championship 2003511867

1245PicturesUSU Personal Contest 2003478916

1233Amusing NumbersNEERC 2002465938

1237Evacuation PlanNEERC 2002460949

1278“… Connecting People”NEERC 2003 Central Subregional450982

1281River BasinNEERC 2003 Central Subregional3171382

1240Heroes of Might and MagicNEERC 20023021428

1266Kirchhoff's LawUSU Championship 20032991461

1299PsyloniansSpring School Contest 20042971479

1265MirrorUSU Championship 20032941485

1251Cemetery ManagerUSU Local Contest. March 20032771559

1241Inlay CuttersNEERC 20022621640

1257HyphenationAutumn School Contest 20032561697

1285Thread in a HyperspaceUSU Personal Contest 20042401815

1267Yekaterinburg SubwayUSU Championship 20032211955

1216Two Pawns and One KingUSU Championship 20022092031

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1992129

1288AstrolocationUSU Personal Contest 20041942225

1232Asteroid LandingNEERC 2002 Central Subregional1852281

1284Space PokerUSU Personal Contest 20041852327

1256Cemetery GuardUSU Local Contest. March 20031832318

1270UnicubeUSU Championship 20031782402

1275Knights of the Round TableNEERC 2003 Central Subregional1592674

1239Ghost BustersNEERC 20021422931

1271Sailing DirectionsUSU Championship 2003854753