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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021660249

1201Which Day Is It?USU Local Contest. March 20021202343

1202Rectangles TravelUSU Local Contest. March 2002935439

1203Scientific ConferenceUSU Local Contest. March 2002436895

1204IdempotentsUSU Local Contest. March 20021797230

1205By the Underground or by Foot?USU Local Contest. March 20021743237

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023377123

1207Median on the PlaneUSU Local Contest. March 20022298180

1208Legendary Teams ContestUSU Local Contest. March 20022150192

12091, 10, 100, 1000...Autumn School Contest 20021035940

1210Kind SpiritsAutumn School Contest 20022740153

1211Collective GuaranteeAutumn School Contest 20021282325

1212BattleshipAutumn School Contest 2002829500

1213Cockroaches!Autumn School Contest 20022453170

1214Strange ProcedureAutumn School Contest 20024080103

1215Exactness of Projectile HitAutumn School Contest 20021368304

1216Two Pawns and One KingUSU Championship 20022031971

1217Unlucky TicketsUSU Championship 20021032403

1218Episode N-th: The Jedi TournamentUSU Championship 20021261330

1219Symbolic SequenceUSU Championship 20023534118

1220StacksUSU Championship 20021490280

1221Malevich Strikes Back!USU Championship 20021014410

1222Chernobyl’ EaglesUSU Championship 20022972141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021255332

1224SpiralNEERC 2002 Central Subregional592271

1225FlagsNEERC 2002 Central Subregional1009242

1226esreveR redrONEERC 2002 Central Subregional3646115

1227Rally ChampionshipNEERC 2002 Central Subregional1330313

1228ArrayNEERC 2002 Central Subregional4006105

1229Strong BrickworkNEERC 2002 Central Subregional1079386

1230Introspective ProgramNEERC 2002 Central Subregional575718

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1932069

1232Asteroid LandingNEERC 2002 Central Subregional1842165

1233Amusing NumbersNEERC 2002452910

1234BricksNEERC 2002630657

1235Cricket FieldNEERC 2002551750

1236Decoding TaskNEERC 2002851489

1237Evacuation PlanNEERC 2002452912

1238FoldingNEERC 2002929448

1239Ghost BustersNEERC 20021412786

1240Heroes of Might and MagicNEERC 20022891407

1241Inlay CuttersNEERC 20022591566

1242WerewolfUSU Personal Contest 20031901221

1243Divorce of the Seven DwarfsUSU Personal Contest 2003773455

1244GentlemenUSU Personal Contest 20031525275

1245PicturesUSU Personal Contest 2003453912

1246Tethered DogUSU Personal Contest 20031204348

1247Check a SequenceUSU Personal Contest 20031732242

1248Sequence SumUSU Personal Contest 2003646644

1249Ancient NecropolisUSU Local Contest. March 20031962214

1250Sea BurialUSU Local Contest. March 2003588707

1251Cemetery ManagerUSU Local Contest. March 20032701509

1252Sorting the TombstonesUSU Local Contest. March 20031013413

1253NecrologuesUSU Local Contest. March 2003634656

1254Die HardUSU Local Contest. March 2003640650

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031566268

1256Cemetery GuardUSU Local Contest. March 20031812213

1257HyphenationAutumn School Contest 20032461667

1258PoolAutumn School Contest 2003976433

1259How to Become Star?Autumn School Contest 20031093387

1260Nudnik PhotographerAutumn School Contest 20033575119

1261TipsAutumn School Contest 20031209350

1262Pseudo-Roman NumberAutumn School Contest 20031161364

1263ElectionsAutumn School Contest 2003907547

1264WorkdaysAutumn School Contest 20031587527

1265MirrorUSU Championship 20032831457

1266Kirchhoff's LawUSU Championship 20032821462

1267Yekaterinburg SubwayUSU Championship 20032032004

1268Little ChuUSU Championship 2003527795

1269Obscene Words FilterUSU Championship 2003517810

1270UnicubeUSU Championship 20031712359

1271Sailing DirectionsUSU Championship 2003844542

1272Non-Yekaterinburg SubwayUSU Championship 20032624162

1273TieUSU Championship 2003887476

1274Fractional ArithmeticNEERC 2003 Central Subregional617681

1275Knights of the Round TableNEERC 2003 Central Subregional1572558

1276TrainNEERC 2003 Central Subregional527796

1277Cops and ThievesNEERC 2003 Central Subregional518809

1278“… Connecting People”NEERC 2003 Central Subregional437956

1279WarehouseNEERC 2003 Central Subregional1103384

1280Topological SortingNEERC 2003 Central Subregional2694158

1281River BasinNEERC 2003 Central Subregional3081343

1282Game TreeNEERC 2003 Central Subregional1221347

1283DwarfUSU Personal Contest 20043411125

1284Space PokerUSU Personal Contest 20041772296

1285Thread in a HyperspaceUSU Personal Contest 2004455923

1286Starship TravelUSU Personal Contest 2004624677

1287Mars CanalsUSU Personal Contest 20041105385

1288AstrolocationUSU Personal Contest 20041902146

1289One Way TicketUSU Personal Contest 20041087391

1290SabotageSpring School Contest 2004517483

1291Gear-wheelsSpring School Contest 20041040409

1292Mars Space StationsSpring School Contest 20041168365

1293EniyaSpring School Contest 20042286819

1294Mars SatellitesSpring School Contest 20041354315

1295Crazy NotionsSpring School Contest 20042686159

1296HyperjumpSpring School Contest 20044143103

1297PalindromeSpring School Contest 2004473890

1298KnightSpring School Contest 20041662257

1299PsyloniansSpring School Contest 20042871446