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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021810249

1201Which Day Is It?USU Local Contest. March 20021289349

1202Rectangles TravelUSU Local Contest. March 20021018441

1203Scientific ConferenceUSU Local Contest. March 2002523687

1204IdempotentsUSU Local Contest. March 20022000226

1205By the Underground or by Foot?USU Local Contest. March 20021949232

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023765120

1207Median on the PlaneUSU Local Contest. March 20022215204

1208Legendary Teams ContestUSU Local Contest. March 20022151210

12091, 10, 100, 1000...Autumn School Contest 20021257436

1210Kind SpiritsAutumn School Contest 20023115147

1211Collective GuaranteeAutumn School Contest 20021414322

1212BattleshipAutumn School Contest 2002903501

1213Cockroaches!Autumn School Contest 20022713168

1214Strange ProcedureAutumn School Contest 20024550100

1215Exactness of Projectile HitAutumn School Contest 20021532297

1216Two Pawns and One KingUSU Championship 20022152036

1217Unlucky TicketsUSU Championship 20021121405

1218Episode N-th: The Jedi TournamentUSU Championship 20021401325

1219Symbolic SequenceUSU Championship 20023951116

1220StacksUSU Championship 20021678271

1221Malevich Strikes Back!USU Championship 20021090416

1222Chernobyl’ EaglesUSU Championship 20023284139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021430318

1224SpiralNEERC 2002 Central Subregional679867

1225FlagsNEERC 2002 Central Subregional1223037

1226esreveR redrONEERC 2002 Central Subregional4131111

1227Rally ChampionshipNEERC 2002 Central Subregional1477308

1228ArrayNEERC 2002 Central Subregional4389104

1229Strong BrickworkNEERC 2002 Central Subregional1189382

1230Introspective ProgramNEERC 2002 Central Subregional613736

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2062121

1232Asteroid LandingNEERC 2002 Central Subregional1842362

1233Amusing NumbersNEERC 2002478940

1234BricksNEERC 2002680665

1235Cricket FieldNEERC 2002607744

1236Decoding TaskNEERC 2002909499

1237Evacuation PlanNEERC 2002473951

1238FoldingNEERC 20021048434

1239Ghost BustersNEERC 20021462942

1240Heroes of Might and MagicNEERC 20023191395

1241Inlay CuttersNEERC 20022691646

1242WerewolfUSU Personal Contest 20032246204

1243Divorce of the Seven DwarfsUSU Personal Contest 2003908351

1244GentlemenUSU Personal Contest 20031768259

1245PicturesUSU Personal Contest 2003487926

1246Tethered DogUSU Personal Contest 20031363335

1247Check a SequenceUSU Personal Contest 20031930237

1248Sequence SumUSU Personal Contest 2003699649

1249Ancient NecropolisUSU Local Contest. March 20032151213

1250Sea BurialUSU Local Contest. March 2003636713

1251Cemetery ManagerUSU Local Contest. March 20032671663

1252Sorting the TombstonesUSU Local Contest. March 20031135402

1253NecrologuesUSU Local Contest. March 2003668680

1254Die HardUSU Local Contest. March 2003706643

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031709268

1256Cemetery GuardUSU Local Contest. March 20031912292

1257HyphenationAutumn School Contest 20032601720

1258PoolAutumn School Contest 20031098419

1259How to Become Star?Autumn School Contest 20031182390

1260Nudnik PhotographerAutumn School Contest 20034164111

1261TipsAutumn School Contest 20031376335

1262Pseudo-Roman NumberAutumn School Contest 20031219378

1263ElectionsAutumn School Contest 20031059544

1264WorkdaysAutumn School Contest 20032024523

1265MirrorUSU Championship 20033021490

1266Kirchhoff's LawUSU Championship 20033061471

1267Yekaterinburg SubwayUSU Championship 20032291945

1268Little ChuUSU Championship 2003613746

1269Obscene Words FilterUSU Championship 2003538848

1270UnicubeUSU Championship 20031782472

1271Sailing DirectionsUSU Championship 2003884743

1272Non-Yekaterinburg SubwayUSU Championship 20033055152

1273TieUSU Championship 2003977471

1274Fractional ArithmeticNEERC 2003 Central Subregional671683

1275Knights of the Round TableNEERC 2003 Central Subregional1632688

1276TrainNEERC 2003 Central Subregional586780

1277Cops and ThievesNEERC 2003 Central Subregional582786

1278“… Connecting People”NEERC 2003 Central Subregional457996

1279WarehouseNEERC 2003 Central Subregional1100419

1280Topological SortingNEERC 2003 Central Subregional3207145

1281River BasinNEERC 2003 Central Subregional3231396

1282Game TreeNEERC 2003 Central Subregional1372336

1283DwarfUSU Personal Contest 20043904119

1284Space PokerUSU Personal Contest 20041892347

1285Thread in a HyperspaceUSU Personal Contest 20042631710

1286Starship TravelUSU Personal Contest 2004676681

1287Mars CanalsUSU Personal Contest 20041241373

1288AstrolocationUSU Personal Contest 20042012213

1289One Way TicketUSU Personal Contest 20041195388

1290SabotageSpring School Contest 2004590479

1291Gear-wheelsSpring School Contest 20041161399

1292Mars Space StationsSpring School Contest 20041267366

1293EniyaSpring School Contest 20042920216

1294Mars SatellitesSpring School Contest 20041507308

1295Crazy NotionsSpring School Contest 20043068152

1296HyperjumpSpring School Contest 2004527088

1297PalindromeSpring School Contest 2004556584

1298KnightSpring School Contest 20041810257

1299PsyloniansSpring School Contest 20043061478