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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021633249

1201Which Day Is It?USU Local Contest. March 20021187342

1202Rectangles TravelUSU Local Contest. March 2002924438

1203Scientific ConferenceUSU Local Contest. March 2002421897

1204IdempotentsUSU Local Contest. March 20021769230

1205By the Underground or by Foot?USU Local Contest. March 20021708238

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023330122

1207Median on the PlaneUSU Local Contest. March 20022242182

1208Legendary Teams ContestUSU Local Contest. March 20022106193

12091, 10, 100, 1000...Autumn School Contest 20021008341

1210Kind SpiritsAutumn School Contest 20022668154

1211Collective GuaranteeAutumn School Contest 20021483277

1212BattleshipAutumn School Contest 2002807506

1213Cockroaches!Autumn School Contest 20022416170

1214Strange ProcedureAutumn School Contest 20024015103

1215Exactness of Projectile HitAutumn School Contest 20021336307

1216Two Pawns and One KingUSU Championship 20022001970

1217Unlucky TicketsUSU Championship 20021024400

1218Episode N-th: The Jedi TournamentUSU Championship 20021224335

1219Symbolic SequenceUSU Championship 20023469119

1220StacksUSU Championship 20021472279

1221Malevich Strikes Back!USU Championship 2002996411

1222Chernobyl’ EaglesUSU Championship 20022926141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021211339

1224SpiralNEERC 2002 Central Subregional579671

1225FlagsNEERC 2002 Central Subregional975842

1226esreveR redrONEERC 2002 Central Subregional3569116

1227Rally ChampionshipNEERC 2002 Central Subregional1303315

1228ArrayNEERC 2002 Central Subregional3930105

1229Strong BrickworkNEERC 2002 Central Subregional1061386

1230Introspective ProgramNEERC 2002 Central Subregional572711

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1902069

1232Asteroid LandingNEERC 2002 Central Subregional1822155

1233Amusing NumbersNEERC 2002446909

1234BricksNEERC 2002622656

1235Cricket FieldNEERC 2002538756

1236Decoding TaskNEERC 2002837489

1237Evacuation PlanNEERC 2002448906

1238FoldingNEERC 2002905454

1239Ghost BustersNEERC 20021402764

1240Heroes of Might and MagicNEERC 20022851405

1241Inlay CuttersNEERC 20022541572

1242WerewolfUSU Personal Contest 20031853223

1243Divorce of the Seven DwarfsUSU Personal Contest 2003756855

1244GentlemenUSU Personal Contest 20031527271

1245PicturesUSU Personal Contest 2003448909

1246Tethered DogUSU Personal Contest 20031182349

1247Check a SequenceUSU Personal Contest 20031693244

1248Sequence SumUSU Personal Contest 2003634646

1249Ancient NecropolisUSU Local Contest. March 20031928215

1250Sea BurialUSU Local Contest. March 2003577710

1251Cemetery ManagerUSU Local Contest. March 20032641520

1252Sorting the TombstonesUSU Local Contest. March 2003996414

1253NecrologuesUSU Local Contest. March 2003624657

1254Die HardUSU Local Contest. March 2003633648

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031541269

1256Cemetery GuardUSU Local Contest. March 20031762239

1257HyphenationAutumn School Contest 20032411676

1258PoolAutumn School Contest 2003963432

1259How to Become Star?Autumn School Contest 20031078387

1260Nudnik PhotographerAutumn School Contest 20033478121

1261TipsAutumn School Contest 20031181353

1262Pseudo-Roman NumberAutumn School Contest 20031145364

1263ElectionsAutumn School Contest 2003889747

1264WorkdaysAutumn School Contest 20031528927

1265MirrorUSU Championship 20032821441

1266Kirchhoff's LawUSU Championship 20032791456

1267Yekaterinburg SubwayUSU Championship 20032031976

1268Little ChuUSU Championship 2003516800

1269Obscene Words FilterUSU Championship 2003507814

1270UnicubeUSU Championship 20031712325

1271Sailing DirectionsUSU Championship 2003834526

1272Non-Yekaterinburg SubwayUSU Championship 20032553164

1273TieUSU Championship 2003871478

1274Fractional ArithmeticNEERC 2003 Central Subregional607683

1275Knights of the Round TableNEERC 2003 Central Subregional1572522

1276TrainNEERC 2003 Central Subregional520795

1277Cops and ThievesNEERC 2003 Central Subregional505818

1278“… Connecting People”NEERC 2003 Central Subregional433951

1279WarehouseNEERC 2003 Central Subregional1086384

1280Topological SortingNEERC 2003 Central Subregional2617160

1281River BasinNEERC 2003 Central Subregional3051337

1282Game TreeNEERC 2003 Central Subregional1195350

1283DwarfUSU Personal Contest 20043334127

1284Space PokerUSU Personal Contest 20041742300

1285Thread in a HyperspaceUSU Personal Contest 2004444932

1286Starship TravelUSU Personal Contest 2004615677

1287Mars CanalsUSU Personal Contest 20041085387

1288AstrolocationUSU Personal Contest 20041892127

1289One Way TicketUSU Personal Contest 20041069392

1290SabotageSpring School Contest 2004509683

1291Gear-wheelsSpring School Contest 20041018412

1292Mars Space StationsSpring School Contest 20041153364

1293EniyaSpring School Contest 20042198119

1294Mars SatellitesSpring School Contest 20041324317

1295Crazy NotionsSpring School Contest 20042643160

1296HyperjumpSpring School Contest 20044062104

1297PalindromeSpring School Contest 2004461991

1298KnightSpring School Contest 20041638257

1299PsyloniansSpring School Contest 20042851436