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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021925254

1201Which Day Is It?USU Local Contest. March 20021360359

1202Rectangles TravelUSU Local Contest. March 20021107441

1203Scientific ConferenceUSU Local Contest. March 2002600682

1204IdempotentsUSU Local Contest. March 20022150228

1205By the Underground or by Foot?USU Local Contest. March 20022070237

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024008122

1207Median on the PlaneUSU Local Contest. March 20023923125

1208Legendary Teams ContestUSU Local Contest. March 20022314212

12091, 10, 100, 1000...Autumn School Contest 20021445134

1210Kind SpiritsAutumn School Contest 20023047162

1211Collective GuaranteeAutumn School Contest 20021594309

1212BattleshipAutumn School Contest 20021008487

1213Cockroaches!Autumn School Contest 20022933169

1214Strange ProcedureAutumn School Contest 20024891101

1215Exactness of Projectile HitAutumn School Contest 20021652298

1216Two Pawns and One KingUSU Championship 20022302067

1217Unlucky TicketsUSU Championship 20021204409

1218Episode N-th: The Jedi TournamentUSU Championship 20021536321

1219Symbolic SequenceUSU Championship 20024174119

1220StacksUSU Championship 20021792275

1221Malevich Strikes Back!USU Championship 20021168421

1222Chernobyl’ EaglesUSU Championship 20023500141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021673295

1224SpiralNEERC 2002 Central Subregional750466

1225FlagsNEERC 2002 Central Subregional1397635

1226esreveR redrONEERC 2002 Central Subregional4393113

1227Rally ChampionshipNEERC 2002 Central Subregional1648299

1228ArrayNEERC 2002 Central Subregional4633107

1229Strong BrickworkNEERC 2002 Central Subregional1299379

1230Introspective ProgramNEERC 2002 Central Subregional646757

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2212148

1232Asteroid LandingNEERC 2002 Central Subregional2012352

1233Amusing NumbersNEERC 2002516945

1234BricksNEERC 2002723678

1235Cricket FieldNEERC 2002643761

1236Decoding TaskNEERC 20021000492

1237Evacuation PlanNEERC 2002499977

1238FoldingNEERC 20021177419

1239Ghost BustersNEERC 20021513086

1240Heroes of Might and MagicNEERC 20023401420

1241Inlay CuttersNEERC 20022831697

1242WerewolfUSU Personal Contest 20032788178

1243Divorce of the Seven DwarfsUSU Personal Contest 20031013149

1244GentlemenUSU Personal Contest 20031946255

1245PicturesUSU Personal Contest 2003511957

1246Tethered DogUSU Personal Contest 20031496331

1247Check a SequenceUSU Personal Contest 20032078239

1248Sequence SumUSU Personal Contest 2003741664

1249Ancient NecropolisUSU Local Contest. March 20032296216

1250Sea BurialUSU Local Contest. March 2003677726

1251Cemetery ManagerUSU Local Contest. March 20033221502

1252Sorting the TombstonesUSU Local Contest. March 20031238400

1253NecrologuesUSU Local Contest. March 2003703699

1254Die HardUSU Local Contest. March 2003770639

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031791277

1256Cemetery GuardUSU Local Contest. March 20032092277

1257HyphenationAutumn School Contest 20032781743

1258PoolAutumn School Contest 20031196416

1259How to Become Star?Autumn School Contest 20031268393

1260Nudnik PhotographerAutumn School Contest 20034540110

1261TipsAutumn School Contest 20031507331

1262Pseudo-Roman NumberAutumn School Contest 20031286387

1263ElectionsAutumn School Contest 20031176943

1264WorkdaysAutumn School Contest 20032370821

1265MirrorUSU Championship 20033161541

1266Kirchhoff's LawUSU Championship 20033341460

1267Yekaterinburg SubwayUSU Championship 20032791738

1268Little ChuUSU Championship 2003672737

1269Obscene Words FilterUSU Championship 2003580851

1270UnicubeUSU Championship 20032012381

1271Sailing DirectionsUSU Championship 2003974695

1272Non-Yekaterinburg SubwayUSU Championship 20033387148

1273TieUSU Championship 20031076463

1274Fractional ArithmeticNEERC 2003 Central Subregional717691

1275Knights of the Round TableNEERC 2003 Central Subregional1992405

1276TrainNEERC 2003 Central Subregional675734

1277Cops and ThievesNEERC 2003 Central Subregional625791

1278“… Connecting People”NEERC 2003 Central Subregional501984

1279WarehouseNEERC 2003 Central Subregional1184421

1280Topological SortingNEERC 2003 Central Subregional3537142

1281River BasinNEERC 2003 Central Subregional3481404

1282Game TreeNEERC 2003 Central Subregional1486336

1283DwarfUSU Personal Contest 20044278118

1284Space PokerUSU Personal Contest 20042032368

1285Thread in a HyperspaceUSU Personal Contest 20042991632

1286Starship TravelUSU Personal Contest 2004755659

1287Mars CanalsUSU Personal Contest 20041322379

1288AstrolocationUSU Personal Contest 20042052346

1289One Way TicketUSU Personal Contest 20041262397

1290SabotageSpring School Contest 2004635779

1291Gear-wheelsSpring School Contest 20041302385

1292Mars Space StationsSpring School Contest 20041330377

1293EniyaSpring School Contest 20043453015

1294Mars SatellitesSpring School Contest 20041608312

1295Crazy NotionsSpring School Contest 20043343150

1296HyperjumpSpring School Contest 2004775465

1297PalindromeSpring School Contest 2004618082

1298KnightSpring School Contest 20042168232

1299PsyloniansSpring School Contest 20043191534