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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021888252

1201Which Day Is It?USU Local Contest. March 20021334355

1202Rectangles TravelUSU Local Contest. March 20021053449

1203Scientific ConferenceUSU Local Contest. March 2002570684

1204IdempotentsUSU Local Contest. March 20022102226

1205By the Underground or by Foot?USU Local Contest. March 20022019235

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023932121

1207Median on the PlaneUSU Local Contest. March 20023006158

1208Legendary Teams ContestUSU Local Contest. March 20022250211

12091, 10, 100, 1000...Autumn School Contest 20021374935

1210Kind SpiritsAutumn School Contest 20022957162

1211Collective GuaranteeAutumn School Contest 20021539311

1212BattleshipAutumn School Contest 2002956498

1213Cockroaches!Autumn School Contest 20022832169

1214Strange ProcedureAutumn School Contest 20024774101

1215Exactness of Projectile HitAutumn School Contest 20021595300

1216Two Pawns and One KingUSU Championship 20022232067

1217Unlucky TicketsUSU Championship 20021166410

1218Episode N-th: The Jedi TournamentUSU Championship 20021484322

1219Symbolic SequenceUSU Championship 20024089117

1220StacksUSU Championship 20021748274

1221Malevich Strikes Back!USU Championship 20021128423

1222Chernobyl’ EaglesUSU Championship 20023440140

1223Chernobyl’ Eagle on a RoofUSU Championship 20021613297

1224SpiralNEERC 2002 Central Subregional720867

1225FlagsNEERC 2002 Central Subregional1333036

1226esreveR redrONEERC 2002 Central Subregional4315111

1227Rally ChampionshipNEERC 2002 Central Subregional1569305

1228ArrayNEERC 2002 Central Subregional4553106

1229Strong BrickworkNEERC 2002 Central Subregional1271376

1230Introspective ProgramNEERC 2002 Central Subregional634748

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2172122

1232Asteroid LandingNEERC 2002 Central Subregional1922385

1233Amusing NumbersNEERC 2002499948

1234BricksNEERC 2002696683

1235Cricket FieldNEERC 2002626758

1236Decoding TaskNEERC 2002945505

1237Evacuation PlanNEERC 2002485976

1238FoldingNEERC 20021130423

1239Ghost BustersNEERC 20021493034

1240Heroes of Might and MagicNEERC 20023331406

1241Inlay CuttersNEERC 20022821653

1242WerewolfUSU Personal Contest 20032666181

1243Divorce of the Seven DwarfsUSU Personal Contest 2003970150

1244GentlemenUSU Personal Contest 20031883256

1245PicturesUSU Personal Contest 2003507936

1246Tethered DogUSU Personal Contest 20031456330

1247Check a SequenceUSU Personal Contest 20032025238

1248Sequence SumUSU Personal Contest 2003720663

1249Ancient NecropolisUSU Local Contest. March 20032233216

1250Sea BurialUSU Local Contest. March 2003665717

1251Cemetery ManagerUSU Local Contest. March 20033111508

1252Sorting the TombstonesUSU Local Contest. March 20031200400

1253NecrologuesUSU Local Contest. March 2003687695

1254Die HardUSU Local Contest. March 2003742644

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031762273

1256Cemetery GuardUSU Local Contest. March 20032002305

1257HyphenationAutumn School Contest 20032741717

1258PoolAutumn School Contest 20031168414

1259How to Become Star?Autumn School Contest 20031234392

1260Nudnik PhotographerAutumn School Contest 20034397111

1261TipsAutumn School Contest 20031456333

1262Pseudo-Roman NumberAutumn School Contest 20031262383

1263ElectionsAutumn School Contest 20031125743

1264WorkdaysAutumn School Contest 20032248922

1265MirrorUSU Championship 20033091530

1266Kirchhoff's LawUSU Championship 20033221470

1267Yekaterinburg SubwayUSU Championship 20032501877

1268Little ChuUSU Championship 2003654735

1269Obscene Words FilterUSU Championship 2003575834

1270UnicubeUSU Championship 20031952380

1271Sailing DirectionsUSU Championship 2003954647

1272Non-Yekaterinburg SubwayUSU Championship 20033240150

1273TieUSU Championship 20031034467

1274Fractional ArithmeticNEERC 2003 Central Subregional697691

1275Knights of the Round TableNEERC 2003 Central Subregional1892453

1276TrainNEERC 2003 Central Subregional646744

1277Cops and ThievesNEERC 2003 Central Subregional611786

1278“… Connecting People”NEERC 2003 Central Subregional490976

1279WarehouseNEERC 2003 Central Subregional1162417

1280Topological SortingNEERC 2003 Central Subregional3419142

1281River BasinNEERC 2003 Central Subregional3411391

1282Game TreeNEERC 2003 Central Subregional1448335

1283DwarfUSU Personal Contest 20044092119

1284Space PokerUSU Personal Contest 20041972367

1285Thread in a HyperspaceUSU Personal Contest 20042891639

1286Starship TravelUSU Personal Contest 2004716675

1287Mars CanalsUSU Personal Contest 20041299374

1288AstrolocationUSU Personal Contest 20042022312

1289One Way TicketUSU Personal Contest 20041230395

1290SabotageSpring School Contest 2004619279

1291Gear-wheelsSpring School Contest 20041234394

1292Mars Space StationsSpring School Contest 20041304373

1293EniyaSpring School Contest 20043268015

1294Mars SatellitesSpring School Contest 20041570310

1295Crazy NotionsSpring School Contest 20043233151

1296HyperjumpSpring School Contest 2004652575

1297PalindromeSpring School Contest 2004596282

1298KnightSpring School Contest 20042126230

1299PsyloniansSpring School Contest 20043191490