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Problem set. Volume 3


IDTitleSourceAuthorsDifficulty

1293EniyaSpring School Contest 20043540715

1264WorkdaysAutumn School Contest 20032432521

12091, 10, 100, 1000...Autumn School Contest 20021475134

1225FlagsNEERC 2002 Central Subregional1431635

1263ElectionsAutumn School Contest 20031200443

1243Divorce of the Seven DwarfsUSU Personal Contest 20031034149

1296HyperjumpSpring School Contest 2004815263

1224SpiralNEERC 2002 Central Subregional764566

1290SabotageSpring School Contest 2004642980

1297PalindromeSpring School Contest 2004626982

1203Scientific ConferenceUSU Local Contest. March 2002625780

1214Strange ProcedureAutumn School Contest 20024963102

1228ArrayNEERC 2002 Central Subregional4679108

1260Nudnik PhotographerAutumn School Contest 20034619111

1226esreveR redrONEERC 2002 Central Subregional4459113

1283DwarfUSU Personal Contest 20044403117

1219Symbolic SequenceUSU Championship 20024221120

1207Median on the PlaneUSU Local Contest. March 20024159121

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024054124

1280Topological SortingNEERC 2003 Central Subregional3619141

1222Chernobyl’ EaglesUSU Championship 20023540143

1272Non-Yekaterinburg SubwayUSU Championship 20033476147

1295Crazy NotionsSpring School Contest 20043403151

1210Kind SpiritsAutumn School Contest 20023102163

1213Cockroaches!Autumn School Contest 20022964170

1242WerewolfUSU Personal Contest 20032872177

1208Legendary Teams ContestUSU Local Contest. March 20022348213

1249Ancient NecropolisUSU Local Contest. March 20032319219

1298KnightSpring School Contest 20042200233

1204IdempotentsUSU Local Contest. March 20022180230

1205By the Underground or by Foot?USU Local Contest. March 20022110237

1247Check a SequenceUSU Personal Contest 20032107240

1244GentlemenUSU Personal Contest 20031985255

1200Horns and HoofsUSU Local Contest. March 20021951256

1220StacksUSU Championship 20021816277

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031810280

1223Chernobyl’ Eagle on a RoofUSU Championship 20021713294

1215Exactness of Projectile HitAutumn School Contest 20021675300

1227Rally ChampionshipNEERC 2002 Central Subregional1670302

1294Mars SatellitesSpring School Contest 20041624315

1211Collective GuaranteeAutumn School Contest 20021619311

1218Episode N-th: The Jedi TournamentUSU Championship 20021557323

1261TipsAutumn School Contest 20031548329

1246Tethered DogUSU Personal Contest 20031512334

1282Game TreeNEERC 2003 Central Subregional1510337

1201Which Day Is It?USU Local Contest. March 20021380362

1287Mars CanalsUSU Personal Contest 20041345380

1292Mars Space StationsSpring School Contest 20041345380

1291Gear-wheelsSpring School Contest 20041329385

1229Strong BrickworkNEERC 2002 Central Subregional1319381

1262Pseudo-Roman NumberAutumn School Contest 20031304390

1259How to Become Star?Autumn School Contest 20031290394

1289One Way TicketUSU Personal Contest 20041278400

1252Sorting the TombstonesUSU Local Contest. March 20031265399

1217Unlucky TicketsUSU Championship 20021227410

1258PoolAutumn School Contest 20031219417

1238FoldingNEERC 20021209417

1279WarehouseNEERC 2003 Central Subregional1202423

1221Malevich Strikes Back!USU Championship 20021190422

1202Rectangles TravelUSU Local Contest. March 20021123444

1273TieUSU Championship 20031092465

1212BattleshipAutumn School Contest 20021021491

1236Decoding TaskNEERC 20021017494

1254Die HardUSU Local Contest. March 2003783642

1286Starship TravelUSU Personal Contest 2004769661

1248Sequence SumUSU Personal Contest 2003755665

1274Fractional ArithmeticNEERC 2003 Central Subregional735688

1234BricksNEERC 2002730686

1253NecrologuesUSU Local Contest. March 2003723694

1268Little ChuUSU Championship 2003688734

1250Sea BurialUSU Local Contest. March 2003687730

1276TrainNEERC 2003 Central Subregional686737

1230Introspective ProgramNEERC 2002 Central Subregional655762

1235Cricket FieldNEERC 2002652766

1277Cops and ThievesNEERC 2003 Central Subregional636794

1269Obscene Words FilterUSU Championship 2003597845

1233Amusing NumbersNEERC 2002536929

1245PicturesUSU Personal Contest 2003521958

1278“… Connecting People”NEERC 2003 Central Subregional509988

1237Evacuation PlanNEERC 2002505986

1281River BasinNEERC 2003 Central Subregional3621379

1240Heroes of Might and MagicNEERC 20023451429

1266Kirchhoff's LawUSU Championship 20033421456

1251Cemetery ManagerUSU Local Contest. March 20033301497

1299PsyloniansSpring School Contest 20043231546

1265MirrorUSU Championship 20033221544

1285Thread in a HyperspaceUSU Personal Contest 20043061629

1241Inlay CuttersNEERC 20022881704

1267Yekaterinburg SubwayUSU Championship 20032861732

1257HyphenationAutumn School Contest 20032821755

1216Two Pawns and One KingUSU Championship 20022332085

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2252156

1256Cemetery GuardUSU Local Contest. March 20032142272

1288AstrolocationUSU Personal Contest 20042102339

1284Space PokerUSU Personal Contest 20042082361

1275Knights of the Round TableNEERC 2003 Central Subregional2052385

1232Asteroid LandingNEERC 2002 Central Subregional2042368

1270UnicubeUSU Championship 20032042396

1239Ghost BustersNEERC 20021533112

1271Sailing DirectionsUSU Championship 20031014618