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Problem set. Volume 3


1200Horns and HoofsUSU Local Contest. March 20021647249

1201Which Day Is It?USU Local Contest. March 20021193343

1202Rectangles TravelUSU Local Contest. March 2002931439

1203Scientific ConferenceUSU Local Contest. March 2002429996

1204IdempotentsUSU Local Contest. March 20021781230

1205By the Underground or by Foot?USU Local Contest. March 20021719239

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20023355123

1207Median on the PlaneUSU Local Contest. March 20022273181

1208Legendary Teams ContestUSU Local Contest. March 20022131193

12091, 10, 100, 1000...Autumn School Contest 20021021941

1210Kind SpiritsAutumn School Contest 20022709153

1211Collective GuaranteeAutumn School Contest 20021498277

1212BattleshipAutumn School Contest 2002822501

1213Cockroaches!Autumn School Contest 20022437170

1214Strange ProcedureAutumn School Contest 20024052103

1215Exactness of Projectile HitAutumn School Contest 20021352306

1216Two Pawns and One KingUSU Championship 20022021969

1217Unlucky TicketsUSU Championship 20021028402

1218Episode N-th: The Jedi TournamentUSU Championship 20021243333

1219Symbolic SequenceUSU Championship 20023500119

1220StacksUSU Championship 20021485279

1221Malevich Strikes Back!USU Championship 20021007410

1222Chernobyl’ EaglesUSU Championship 20022955141

1223Chernobyl’ Eagle on a RoofUSU Championship 20021226338

1224SpiralNEERC 2002 Central Subregional586171

1225FlagsNEERC 2002 Central Subregional992542

1226esreveR redrONEERC 2002 Central Subregional3608115

1227Rally ChampionshipNEERC 2002 Central Subregional1316315

1228ArrayNEERC 2002 Central Subregional3975105

1229Strong BrickworkNEERC 2002 Central Subregional1074385

1230Introspective ProgramNEERC 2002 Central Subregional574715

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional1932057

1232Asteroid LandingNEERC 2002 Central Subregional1842152

1233Amusing NumbersNEERC 2002450909

1234BricksNEERC 2002625659

1235Cricket FieldNEERC 2002546752

1236Decoding TaskNEERC 2002841491

1237Evacuation PlanNEERC 2002450911

1238FoldingNEERC 2002915453

1239Ghost BustersNEERC 20021412770

1240Heroes of Might and MagicNEERC 20022871408

1241Inlay CuttersNEERC 20022571568

1242WerewolfUSU Personal Contest 20031876223

1243Divorce of the Seven DwarfsUSU Personal Contest 2003765855

1244GentlemenUSU Personal Contest 20031553269

1245PicturesUSU Personal Contest 2003451911

1246Tethered DogUSU Personal Contest 20031193349

1247Check a SequenceUSU Personal Contest 20031717243

1248Sequence SumUSU Personal Contest 2003644642

1249Ancient NecropolisUSU Local Contest. March 20031949214

1250Sea BurialUSU Local Contest. March 2003586705

1251Cemetery ManagerUSU Local Contest. March 20032681512

1252Sorting the TombstonesUSU Local Contest. March 20031004414

1253NecrologuesUSU Local Contest. March 2003631656

1254Die HardUSU Local Contest. March 2003637649

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031559268

1256Cemetery GuardUSU Local Contest. March 20031782235

1257HyphenationAutumn School Contest 20032431677

1258PoolAutumn School Contest 2003967434

1259How to Become Star?Autumn School Contest 20031084388

1260Nudnik PhotographerAutumn School Contest 20033531120

1261TipsAutumn School Contest 20031201350

1262Pseudo-Roman NumberAutumn School Contest 20031156364

1263ElectionsAutumn School Contest 2003900147

1264WorkdaysAutumn School Contest 20031557527

1265MirrorUSU Championship 20032821454

1266Kirchhoff's LawUSU Championship 20032811459

1267Yekaterinburg SubwayUSU Championship 20032031993

1268Little ChuUSU Championship 2003521800

1269Obscene Words FilterUSU Championship 2003513812

1270UnicubeUSU Championship 20031712346

1271Sailing DirectionsUSU Championship 2003834565

1272Non-Yekaterinburg SubwayUSU Championship 20032591163

1273TieUSU Championship 2003874480

1274Fractional ArithmeticNEERC 2003 Central Subregional612683

1275Knights of the Round TableNEERC 2003 Central Subregional1572544

1276TrainNEERC 2003 Central Subregional524796

1277Cops and ThievesNEERC 2003 Central Subregional514811

1278“… Connecting People”NEERC 2003 Central Subregional436953

1279WarehouseNEERC 2003 Central Subregional1095384

1280Topological SortingNEERC 2003 Central Subregional2652160

1281River BasinNEERC 2003 Central Subregional3051349

1282Game TreeNEERC 2003 Central Subregional1206349

1283DwarfUSU Personal Contest 20043373126

1284Space PokerUSU Personal Contest 20041742320

1285Thread in a HyperspaceUSU Personal Contest 2004451926

1286Starship TravelUSU Personal Contest 2004622675

1287Mars CanalsUSU Personal Contest 20041097386

1288AstrolocationUSU Personal Contest 20041902135

1289One Way TicketUSU Personal Contest 20041075393

1290SabotageSpring School Contest 2004514483

1291Gear-wheelsSpring School Contest 20041028412

1292Mars Space StationsSpring School Contest 20041161365

1293EniyaSpring School Contest 20042243519

1294Mars SatellitesSpring School Contest 20041338317

1295Crazy NotionsSpring School Contest 20042669159

1296HyperjumpSpring School Contest 20044105104

1297PalindromeSpring School Contest 2004468991

1298KnightSpring School Contest 20041652257

1299PsyloniansSpring School Contest 20042861443