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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021888251

1201Which Day Is It?USU Local Contest. March 20021332354

1202Rectangles TravelUSU Local Contest. March 20021052448

1203Scientific ConferenceUSU Local Contest. March 2002564184

1204IdempotentsUSU Local Contest. March 20022099226

1205By the Underground or by Foot?USU Local Contest. March 20022016235

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023925121

1207Median on the PlaneUSU Local Contest. March 20022991159

1208Legendary Teams ContestUSU Local Contest. March 20022240211

12091, 10, 100, 1000...Autumn School Contest 20021365935

1210Kind SpiritsAutumn School Contest 20022951162

1211Collective GuaranteeAutumn School Contest 20021535310

1212BattleshipAutumn School Contest 2002946502

1213Cockroaches!Autumn School Contest 20022828169

1214Strange ProcedureAutumn School Contest 20024764100

1215Exactness of Projectile HitAutumn School Contest 20021586300

1216Two Pawns and One KingUSU Championship 20022222068

1217Unlucky TicketsUSU Championship 20021164409

1218Episode N-th: The Jedi TournamentUSU Championship 20021480322

1219Symbolic SequenceUSU Championship 20024085117

1220StacksUSU Championship 20021745273

1221Malevich Strikes Back!USU Championship 20021125423

1222Chernobyl’ EaglesUSU Championship 20023428140

1223Chernobyl’ Eagle on a RoofUSU Championship 20021605297

1224SpiralNEERC 2002 Central Subregional717767

1225FlagsNEERC 2002 Central Subregional1320836

1226esreveR redrONEERC 2002 Central Subregional4306111

1227Rally ChampionshipNEERC 2002 Central Subregional1565305

1228ArrayNEERC 2002 Central Subregional4548105

1229Strong BrickworkNEERC 2002 Central Subregional1268376

1230Introspective ProgramNEERC 2002 Central Subregional632748

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2152133

1232Asteroid LandingNEERC 2002 Central Subregional1922376

1233Amusing NumbersNEERC 2002499944

1234BricksNEERC 2002696681

1235Cricket FieldNEERC 2002626756

1236Decoding TaskNEERC 2002943504

1237Evacuation PlanNEERC 2002484974

1238FoldingNEERC 20021126423

1239Ghost BustersNEERC 20021493022

1240Heroes of Might and MagicNEERC 20023321405

1241Inlay CuttersNEERC 20022801659

1242WerewolfUSU Personal Contest 20032651181

1243Divorce of the Seven DwarfsUSU Personal Contest 2003966450

1244GentlemenUSU Personal Contest 20031877255

1245PicturesUSU Personal Contest 2003507932

1246Tethered DogUSU Personal Contest 20031442332

1247Check a SequenceUSU Personal Contest 20032022237

1248Sequence SumUSU Personal Contest 2003718662

1249Ancient NecropolisUSU Local Contest. March 20032231215

1250Sea BurialUSU Local Contest. March 2003664716

1251Cemetery ManagerUSU Local Contest. March 20033101507

1252Sorting the TombstonesUSU Local Contest. March 20031195400

1253NecrologuesUSU Local Contest. March 2003685694

1254Die HardUSU Local Contest. March 2003742641

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031760272

1256Cemetery GuardUSU Local Contest. March 20032002297

1257HyphenationAutumn School Contest 20032741711

1258PoolAutumn School Contest 20031161415

1259How to Become Star?Autumn School Contest 20031230392

1260Nudnik PhotographerAutumn School Contest 20034386111

1261TipsAutumn School Contest 20031453332

1262Pseudo-Roman NumberAutumn School Contest 20031261382

1263ElectionsAutumn School Contest 20031121643

1264WorkdaysAutumn School Contest 20032230122

1265MirrorUSU Championship 20033091524

1266Kirchhoff's LawUSU Championship 20033211469

1267Yekaterinburg SubwayUSU Championship 20032501870

1268Little ChuUSU Championship 2003654732

1269Obscene Words FilterUSU Championship 2003568841

1270UnicubeUSU Championship 20031952372

1271Sailing DirectionsUSU Championship 2003954631

1272Non-Yekaterinburg SubwayUSU Championship 20033233150

1273TieUSU Championship 20031034466

1274Fractional ArithmeticNEERC 2003 Central Subregional695690

1275Knights of the Round TableNEERC 2003 Central Subregional1892444

1276TrainNEERC 2003 Central Subregional622770

1277Cops and ThievesNEERC 2003 Central Subregional610785

1278“… Connecting People”NEERC 2003 Central Subregional490973

1279WarehouseNEERC 2003 Central Subregional1159416

1280Topological SortingNEERC 2003 Central Subregional3413142

1281River BasinNEERC 2003 Central Subregional3401390

1282Game TreeNEERC 2003 Central Subregional1442335

1283DwarfUSU Personal Contest 20044084119

1284Space PokerUSU Personal Contest 20041962370

1285Thread in a HyperspaceUSU Personal Contest 20042881639

1286Starship TravelUSU Personal Contest 2004716673

1287Mars CanalsUSU Personal Contest 20041290376

1288AstrolocationUSU Personal Contest 20042022303

1289One Way TicketUSU Personal Contest 20041227395

1290SabotageSpring School Contest 2004617579

1291Gear-wheelsSpring School Contest 20041232393

1292Mars Space StationsSpring School Contest 20041301373

1293EniyaSpring School Contest 20043238415

1294Mars SatellitesSpring School Contest 20041566310

1295Crazy NotionsSpring School Contest 20043223151

1296HyperjumpSpring School Contest 2004648675

1297PalindromeSpring School Contest 2004594382

1298KnightSpring School Contest 20042116230

1299PsyloniansSpring School Contest 20043181489