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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021904252

1201Which Day Is It?USU Local Contest. March 20021349355

1202Rectangles TravelUSU Local Contest. March 20021059452

1203Scientific ConferenceUSU Local Contest. March 2002578083

1204IdempotentsUSU Local Contest. March 20022120227

1205By the Underground or by Foot?USU Local Contest. March 20022038236

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023959122

1207Median on the PlaneUSU Local Contest. March 20023556135

1208Legendary Teams ContestUSU Local Contest. March 20022274211

12091, 10, 100, 1000...Autumn School Contest 20021403435

1210Kind SpiritsAutumn School Contest 20022993162

1211Collective GuaranteeAutumn School Contest 20021564309

1212BattleshipAutumn School Contest 2002970496

1213Cockroaches!Autumn School Contest 20022869169

1214Strange ProcedureAutumn School Contest 20024813101

1215Exactness of Projectile HitAutumn School Contest 20021616299

1216Two Pawns and One KingUSU Championship 20022262062

1217Unlucky TicketsUSU Championship 20021177410

1218Episode N-th: The Jedi TournamentUSU Championship 20021504321

1219Symbolic SequenceUSU Championship 20024115118

1220StacksUSU Championship 20021766274

1221Malevich Strikes Back!USU Championship 20021134425

1222Chernobyl’ EaglesUSU Championship 20023463140

1223Chernobyl’ Eagle on a RoofUSU Championship 20021631297

1224SpiralNEERC 2002 Central Subregional728267

1225FlagsNEERC 2002 Central Subregional1353536

1226esreveR redrONEERC 2002 Central Subregional4343112

1227Rally ChampionshipNEERC 2002 Central Subregional1608301

1228ArrayNEERC 2002 Central Subregional4587106

1229Strong BrickworkNEERC 2002 Central Subregional1282377

1230Introspective ProgramNEERC 2002 Central Subregional638751

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2182135

1232Asteroid LandingNEERC 2002 Central Subregional1942387

1233Amusing NumbersNEERC 2002505947

1234BricksNEERC 2002704683

1235Cricket FieldNEERC 2002635756

1236Decoding TaskNEERC 2002951507

1237Evacuation PlanNEERC 2002492972

1238FoldingNEERC 20021145422

1239Ghost BustersNEERC 20021503047

1240Heroes of Might and MagicNEERC 20023361409

1241Inlay CuttersNEERC 20022821671

1242WerewolfUSU Personal Contest 20032719179

1243Divorce of the Seven DwarfsUSU Personal Contest 2003980450

1244GentlemenUSU Personal Contest 20031912254

1245PicturesUSU Personal Contest 2003509942

1246Tethered DogUSU Personal Contest 20031470330

1247Check a SequenceUSU Personal Contest 20032046238

1248Sequence SumUSU Personal Contest 2003731660

1249Ancient NecropolisUSU Local Contest. March 20032270215

1250Sea BurialUSU Local Contest. March 2003669720

1251Cemetery ManagerUSU Local Contest. March 20033111524

1252Sorting the TombstonesUSU Local Contest. March 20031215399

1253NecrologuesUSU Local Contest. March 2003691698

1254Die HardUSU Local Contest. March 2003744649

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031772275

1256Cemetery GuardUSU Local Contest. March 20032032297

1257HyphenationAutumn School Contest 20032761723

1258PoolAutumn School Contest 20031178415

1259How to Become Star?Autumn School Contest 20031245393

1260Nudnik PhotographerAutumn School Contest 20034448111

1261TipsAutumn School Contest 20031488329

1262Pseudo-Roman NumberAutumn School Contest 20031269385

1263ElectionsAutumn School Contest 20031145343

1264WorkdaysAutumn School Contest 20032290022

1265MirrorUSU Championship 20033131526

1266Kirchhoff's LawUSU Championship 20033301450

1267Yekaterinburg SubwayUSU Championship 20032531875

1268Little ChuUSU Championship 2003663733

1269Obscene Words FilterUSU Championship 2003576841

1270UnicubeUSU Championship 20031972382

1271Sailing DirectionsUSU Championship 2003954696

1272Non-Yekaterinburg SubwayUSU Championship 20033303149

1273TieUSU Championship 20031040470

1274Fractional ArithmeticNEERC 2003 Central Subregional700695

1275Knights of the Round TableNEERC 2003 Central Subregional1942418

1276TrainNEERC 2003 Central Subregional651746

1277Cops and ThievesNEERC 2003 Central Subregional614791

1278“… Connecting People”NEERC 2003 Central Subregional496975

1279WarehouseNEERC 2003 Central Subregional1170418

1280Topological SortingNEERC 2003 Central Subregional3464142

1281River BasinNEERC 2003 Central Subregional3461386

1282Game TreeNEERC 2003 Central Subregional1463335

1283DwarfUSU Personal Contest 20044132120

1284Space PokerUSU Personal Contest 20042012346

1285Thread in a HyperspaceUSU Personal Contest 20042951623

1286Starship TravelUSU Personal Contest 2004728671

1287Mars CanalsUSU Personal Contest 20041308376

1288AstrolocationUSU Personal Contest 20042042314

1289One Way TicketUSU Personal Contest 20041241396

1290SabotageSpring School Contest 2004624179

1291Gear-wheelsSpring School Contest 20041260390

1292Mars Space StationsSpring School Contest 20041313374

1293EniyaSpring School Contest 20043325615

1294Mars SatellitesSpring School Contest 20041589310

1295Crazy NotionsSpring School Contest 20043280151

1296HyperjumpSpring School Contest 2004716569

1297PalindromeSpring School Contest 2004604082

1298KnightSpring School Contest 20042149229

1299PsyloniansSpring School Contest 20043191506