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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021840249

1201Which Day Is It?USU Local Contest. March 20021300352

1202Rectangles TravelUSU Local Contest. March 20021031443

1203Scientific ConferenceUSU Local Contest. March 2002539885

1204IdempotentsUSU Local Contest. March 20022050224

1205By the Underground or by Foot?USU Local Contest. March 20022010228

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023837120

1207Median on the PlaneUSU Local Contest. March 20022579178

1208Legendary Teams ContestUSU Local Contest. March 20022182211

12091, 10, 100, 1000...Autumn School Contest 20021295136

1210Kind SpiritsAutumn School Contest 20023160147

1211Collective GuaranteeAutumn School Contest 20021455318

1212BattleshipAutumn School Contest 2002922499

1213Cockroaches!Autumn School Contest 20022761168

1214Strange ProcedureAutumn School Contest 20024642100

1215Exactness of Projectile HitAutumn School Contest 20021547299

1216Two Pawns and One KingUSU Championship 20022172052

1217Unlucky TicketsUSU Championship 20021142404

1218Episode N-th: The Jedi TournamentUSU Championship 20021441321

1219Symbolic SequenceUSU Championship 20023996116

1220StacksUSU Championship 20021706271

1221Malevich Strikes Back!USU Championship 20021107417

1222Chernobyl’ EaglesUSU Championship 20023352139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021476313

1224SpiralNEERC 2002 Central Subregional694567

1225FlagsNEERC 2002 Central Subregional1260837

1226esreveR redrONEERC 2002 Central Subregional4194111

1227Rally ChampionshipNEERC 2002 Central Subregional1508307

1228ArrayNEERC 2002 Central Subregional4463104

1229Strong BrickworkNEERC 2002 Central Subregional1238373

1230Introspective ProgramNEERC 2002 Central Subregional623736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2092127

1232Asteroid LandingNEERC 2002 Central Subregional1862377

1233Amusing NumbersNEERC 2002484944

1234BricksNEERC 2002689667

1235Cricket FieldNEERC 2002616745

1236Decoding TaskNEERC 2002931496

1237Evacuation PlanNEERC 2002480953

1238FoldingNEERC 20021088425

1239Ghost BustersNEERC 20021472972

1240Heroes of Might and MagicNEERC 20023241397

1241Inlay CuttersNEERC 20022721656

1242WerewolfUSU Personal Contest 20032348199

1243Divorce of the Seven DwarfsUSU Personal Contest 2003926750

1244GentlemenUSU Personal Contest 20031805258

1245PicturesUSU Personal Contest 2003499920

1246Tethered DogUSU Personal Contest 20031394333

1247Check a SequenceUSU Personal Contest 20031975236

1248Sequence SumUSU Personal Contest 2003704656

1249Ancient NecropolisUSU Local Contest. March 20032194212

1250Sea BurialUSU Local Contest. March 2003647713

1251Cemetery ManagerUSU Local Contest. March 20032761638

1252Sorting the TombstonesUSU Local Contest. March 20031166398

1253NecrologuesUSU Local Contest. March 2003673686

1254Die HardUSU Local Contest. March 2003722640

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031722270

1256Cemetery GuardUSU Local Contest. March 20031962273

1257HyphenationAutumn School Contest 20032641723

1258PoolAutumn School Contest 20031123417

1259How to Become Star?Autumn School Contest 20031214386

1260Nudnik PhotographerAutumn School Contest 20034258111

1261TipsAutumn School Contest 20031414332

1262Pseudo-Roman NumberAutumn School Contest 20031242377

1263ElectionsAutumn School Contest 20031081044

1264WorkdaysAutumn School Contest 20032088323

1265MirrorUSU Championship 20033031509

1266Kirchhoff's LawUSU Championship 20033111471

1267Yekaterinburg SubwayUSU Championship 20032311960

1268Little ChuUSU Championship 2003635732

1269Obscene Words FilterUSU Championship 2003549845

1270UnicubeUSU Championship 20031842435

1271Sailing DirectionsUSU Championship 2003924631

1272Non-Yekaterinburg SubwayUSU Championship 20033116151

1273TieUSU Championship 20031013462

1274Fractional ArithmeticNEERC 2003 Central Subregional681684

1275Knights of the Round TableNEERC 2003 Central Subregional1672670

1276TrainNEERC 2003 Central Subregional602772

1277Cops and ThievesNEERC 2003 Central Subregional596780

1278“… Connecting People”NEERC 2003 Central Subregional477970

1279WarehouseNEERC 2003 Central Subregional1138412

1280Topological SortingNEERC 2003 Central Subregional3305143

1281River BasinNEERC 2003 Central Subregional3281398

1282Game TreeNEERC 2003 Central Subregional1402335

1283DwarfUSU Personal Contest 20043966119

1284Space PokerUSU Personal Contest 20041912361

1285Thread in a HyperspaceUSU Personal Contest 20042731677

1286Starship TravelUSU Personal Contest 2004705664

1287Mars CanalsUSU Personal Contest 20041265372

1288AstrolocationUSU Personal Contest 20042022238

1289One Way TicketUSU Personal Contest 20041204391

1290SabotageSpring School Contest 2004600279

1291Gear-wheelsSpring School Contest 20041193395

1292Mars Space StationsSpring School Contest 20041275369

1293EniyaSpring School Contest 20043022916

1294Mars SatellitesSpring School Contest 20041530308

1295Crazy NotionsSpring School Contest 20043128151

1296HyperjumpSpring School Contest 2004577682

1297PalindromeSpring School Contest 2004572583

1298KnightSpring School Contest 20041853255

1299PsyloniansSpring School Contest 20043091488