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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021811250

1201Which Day Is It?USU Local Contest. March 20021291350

1202Rectangles TravelUSU Local Contest. March 20021022441

1203Scientific ConferenceUSU Local Contest. March 2002525986

1204IdempotentsUSU Local Contest. March 20022006226

1205By the Underground or by Foot?USU Local Contest. March 20021960231

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023776120

1207Median on the PlaneUSU Local Contest. March 20022222204

1208Legendary Teams ContestUSU Local Contest. March 20022152210

12091, 10, 100, 1000...Autumn School Contest 20021262836

1210Kind SpiritsAutumn School Contest 20023127146

1211Collective GuaranteeAutumn School Contest 20021419321

1212BattleshipAutumn School Contest 2002903503

1213Cockroaches!Autumn School Contest 20022729168

1214Strange ProcedureAutumn School Contest 20024583100

1215Exactness of Projectile HitAutumn School Contest 20021533297

1216Two Pawns and One KingUSU Championship 20022152041

1217Unlucky TicketsUSU Championship 20021122406

1218Episode N-th: The Jedi TournamentUSU Championship 20021407324

1219Symbolic SequenceUSU Championship 20023963116

1220StacksUSU Championship 20021686271

1221Malevich Strikes Back!USU Championship 20021090418

1222Chernobyl’ EaglesUSU Championship 20023296139

1223Chernobyl’ Eagle on a RoofUSU Championship 20021430319

1224SpiralNEERC 2002 Central Subregional682667

1225FlagsNEERC 2002 Central Subregional1229937

1226esreveR redrONEERC 2002 Central Subregional4137111

1227Rally ChampionshipNEERC 2002 Central Subregional1492306

1228ArrayNEERC 2002 Central Subregional4400104

1229Strong BrickworkNEERC 2002 Central Subregional1205378

1230Introspective ProgramNEERC 2002 Central Subregional616734

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2072117

1232Asteroid LandingNEERC 2002 Central Subregional1852356

1233Amusing NumbersNEERC 2002480939

1234BricksNEERC 2002682665

1235Cricket FieldNEERC 2002611741

1236Decoding TaskNEERC 2002912499

1237Evacuation PlanNEERC 2002474952

1238FoldingNEERC 20021056432

1239Ghost BustersNEERC 20021462949

1240Heroes of Might and MagicNEERC 20023201394

1241Inlay CuttersNEERC 20022701645

1242WerewolfUSU Personal Contest 20032258204

1243Divorce of the Seven DwarfsUSU Personal Contest 2003913450

1244GentlemenUSU Personal Contest 20031773259

1245PicturesUSU Personal Contest 2003490923

1246Tethered DogUSU Personal Contest 20031371334

1247Check a SequenceUSU Personal Contest 20031936237

1248Sequence SumUSU Personal Contest 2003701649

1249Ancient NecropolisUSU Local Contest. March 20032157213

1250Sea BurialUSU Local Contest. March 2003640711

1251Cemetery ManagerUSU Local Contest. March 20032691656

1252Sorting the TombstonesUSU Local Contest. March 20031137403

1253NecrologuesUSU Local Contest. March 2003669680

1254Die HardUSU Local Contest. March 2003710642

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031714268

1256Cemetery GuardUSU Local Contest. March 20031942264

1257HyphenationAutumn School Contest 20032611718

1258PoolAutumn School Contest 20031099420

1259How to Become Star?Autumn School Contest 20031183390

1260Nudnik PhotographerAutumn School Contest 20034178111

1261TipsAutumn School Contest 20031380335

1262Pseudo-Roman NumberAutumn School Contest 20031220379

1263ElectionsAutumn School Contest 20031063844

1264WorkdaysAutumn School Contest 20032036623

1265MirrorUSU Championship 20033021493

1266Kirchhoff's LawUSU Championship 20033081465

1267Yekaterinburg SubwayUSU Championship 20032291950

1268Little ChuUSU Championship 2003617743

1269Obscene Words FilterUSU Championship 2003541846

1270UnicubeUSU Championship 20031812439

1271Sailing DirectionsUSU Championship 2003894706

1272Non-Yekaterinburg SubwayUSU Championship 20033071151

1273TieUSU Championship 2003979471

1274Fractional ArithmeticNEERC 2003 Central Subregional675681

1275Knights of the Round TableNEERC 2003 Central Subregional1622710

1276TrainNEERC 2003 Central Subregional591776

1277Cops and ThievesNEERC 2003 Central Subregional585783

1278“… Connecting People”NEERC 2003 Central Subregional465981

1279WarehouseNEERC 2003 Central Subregional1108417

1280Topological SortingNEERC 2003 Central Subregional3244143

1281River BasinNEERC 2003 Central Subregional3251392

1282Game TreeNEERC 2003 Central Subregional1385334

1283DwarfUSU Personal Contest 20043919119

1284Space PokerUSU Personal Contest 20041902341

1285Thread in a HyperspaceUSU Personal Contest 20042651702

1286Starship TravelUSU Personal Contest 2004679679

1287Mars CanalsUSU Personal Contest 20041244373

1288AstrolocationUSU Personal Contest 20042022208

1289One Way TicketUSU Personal Contest 20041197388

1290SabotageSpring School Contest 2004592179

1291Gear-wheelsSpring School Contest 20041165399

1292Mars Space StationsSpring School Contest 20041268366

1293EniyaSpring School Contest 20042939416

1294Mars SatellitesSpring School Contest 20041511308

1295Crazy NotionsSpring School Contest 20043086151

1296HyperjumpSpring School Contest 2004532888

1297PalindromeSpring School Contest 2004561283

1298KnightSpring School Contest 20041818256

1299PsyloniansSpring School Contest 20043071477