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Problem set. Geometry Problems


IDTitleSourceAuthorsDifficulty

1020RopeAutumn School Contest 200015761100

1030TitanicUral Championship 19991735899

1043Cover an ArcUSU Championship 20009461626

1046Geometrical DreamsUSU Local Contest. March 20008031888

1052Rabbit HuntUSU Local Contest. March 20006438238

1058ChocolateNEERC 2000 Central Subregional5472745

1065FrontierNEERC 200010141416

1075Thread in a SpaceUSU Personal Contest 20017031977

1084Goat in the GardenSpring School Contest 20019186150

1093DartsUSU Local Contest. March 20016481996

1103Pencils and CirclesTetrahedron Team Online Contest May 2001996502

1111SquaresBulgarian Online Contest September 20011318382

1130Nikifor's WalkUSU Championship 2001532937

1159FenceNEERC 2001 Northern Subregional668750

1163ChapaevNEERC 2001 Northern Subregional1243796

1168Radio StationsRomanian Online Contest December 2001698719

1170DesertRomanian Online Contest December 20013381462

1185WallNEERC 20011685301

1192Ball in a DreamSpring School Contest 20024651109

1199Mouse1183796

1207Median on the PlaneUSU Local Contest. March 20024350117

1215Exactness of Projectile HitAutumn School Contest 20021698301

1232Asteroid LandingNEERC 2002 Central Subregional2092349

1234BricksNEERC 2002741686

1239Ghost BustersNEERC 20021563102

1246Tethered DogUSU Personal Contest 20031538334

1256Cemetery GuardUSU Local Contest. March 20032182266

1258PoolAutumn School Contest 20031235418

1265MirrorUSU Championship 20033321521

1271Sailing DirectionsUSU Championship 20031064485

1281River BasinNEERC 2003 Central Subregional2811788

1285Thread in a HyperspaceUSU Personal Contest 20043191587

1294Mars SatellitesSpring School Contest 20041640317

1305Convex HullUral Championship 1998733703

1308Dean's PyramidUral Championship 2004. Round 11742842

1312TrayUral Championship 2004. Round 11643005

1317HailUral Championship 2004. Round 24841058

1328FireballAutumn School Contest 20043641405

1331VladislavaAutumn School Contest 2004527979

1332Genie BomberAutumn School Contest 2004849612

1333Genie Bomber 2Autumn School Contest 20042395219

1340CucarachaUSU Championship 2004994836

1341DeviceUSU Championship 20044591124

1348Goat in the Garden 2Spring School Contest 20052947178

1351Good Gnusmas – Dead GnusmasSpring School Contest 20051012516

1372Death StarUral Championship 2005. Round 1845630

1373Pictura ex MachinaUral Championship 2005. Round 1627831

1384Goat in the Garden 4Petrozavodsk Summer 2005. MSU+USU Contest1064563

1397Points Game2911646

1405Goat in the Garden 5Autumn School Contest 2005735710

1412Autumn TideUSU Championship 20053381517

1415Mobile LifeUSU Championship 2005508795

1418Military StoryUSU Championship 20053471478

1422FirefliesTimus Top Coders: First Challenge597852

1429BiscuitsTimus Top Coders: First Challenge1862639

1436BillboardUSU Personal Contest 2006616824

1442Floo PowderUral Championship 20061563090

1444ElephpotamusUral Championship 20061930264

1451Beerhouse TaleTimus Top Coders: Second Challenge504993

1460WiresPetrozavodsk Winter 2006. USU Contest1134060

1464LightPetrozavodsk Winter 2006. USU Contest1672821

1469No Smoking!Petrozavodsk Summer 2006. Ural+Orel Contest534910

1475Ryaba HenPetrozavodsk Summer 2006. Ural+Orel Contest1213780

1477AirplanesPetrozavodsk Summer 2006. Ural+Orel Contest1553001

1482Triangle GameUSU Championship 20061543012

1489Points on a ParallelepipedAutumn School Contest 20061261388

1504Good MannersNEERC 2006 Eastern Subregional2132206

1514National ParkTimus Top Coders: Third Challenge2671759

1520Empire Strikes BackTimus Top Coders: Third Challenge1892449

1538Towers of GuardUSU Personal Contest 20073671274

1550Dean's Pyramid 3Ural Championship 2007788596

1556Multishot in the Secret Cow LevelPetrozavodsk Summer 2007. NSU Contest448549

1562GM-pineappleUSU Championship 20071136402

1566Triangular PostcardsUSU Championship 20071383111

1572Yekaterinozavodsk Great WellAutumn School Contest 20073136146

1578Mammoth HuntAutumn School Contest 2007513879

1583CheeseNEERC 2007 Eastern Subregional2401834

1588JamaicaNEERC 2007 Eastern Subregional1395326

1599Winding Number1251805

1600AirportUSU Personal Contest 2008800552

1616Square Country 4Ural Championship 20081023972

1626Interfering SegmentPetrozavodsk Winter 2008. ITMO Contest507214

1632LasersUSU Championship 2008844555

1637Triangle Game 2USU Championship 20081213269

1640Circle of WinterAutumn School Contest 20082395178

1647Divide an Island!Autumn School Contest 2008503832

1653Death ConveyorNEERC 2008 Eastern Subregional606092

1659Regular TrianglesNEERC 2008 Eastern Subregional645651

1660The Island of Bad LuckPetrozavodsk Winter 2008. USU Contest576303

1662Goat in the Garden 6Petrozavodsk Winter 2008. USU Contest824590

1679Scrooge's TowerPetrozavodsk Summer 2008. USU Contest411999

1681Brother Bear's GardenUSU Personal Contest 20091033686

1686Photovoltaic SpaceshipUSU Personal Contest 20092741467

1697Sniper ShotPetrozavodsk Winter 2009. USU Contest685325

1703Robotic ArmUral Championship 20093271227

1710Boris, You Are Wrong!Ural Championship 2009627649

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2631459

1722Observation DeckUral Regional School Programming Contest 20092841353

1733Forgotten TechnologyUSU Championship 2009774557

1750Pakhom and the GullyPetrozavodsk Summer 2009. Ufa SATU Contest2971270

1753BookshelfUSU Personal Contest 20101145334

1754Explosion in a PyramidUSU Personal Contest 2010594639

1768Circular StringsUral Championship 20103181170

1775Space BowlingUral SU Championship 2010388929

1793Tray 2Ural Regional School Programming Contest 2010911401

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1851888

1824Ifrit BomberUSU Personal Contest 20113271061

1825Ifrit Bomber 2USU Personal Contest 2011376926

1836Babel FishUral Championship 20112921174

1839The MentaculusUral Championship 20111302531

1840Victim of AdvertisingUral Championship 2011367705

1874Football GoalUral Regional School Programming Contest 20111714198

1875Angry BirdsUral Regional School Programming Contest 2011346959

1883Ent's BirthdayUral Regional School Programming Contest 20112691224

1894Non-Flying WeatherNEERC 2011 Eastern Subregional2281433

1909Space ReconUral Championship 2012634326

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1551911

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1422075

1927Herbs and MagicUral Regional School Programming Contest 20122871060

1938Caribbean TriangleUral FU Championship 2012544904

1955Boss, I Can See You!Petrozavodsk Winter 2013. Ural FU Contest823247

1956Fire SignalsPetrozavodsk Winter 2013. Ural FU Contest1142409

1963KiteUral FU Personal Contest 2013596492

1983Nectar GatheringUral FU Championship 20131761560

1988Planet Ocean LandingUral FU Championship 20132401161

2016Magic and ScienceNEERC 2014 Eastern Subregional267397

2032Conspiracy Theory and RebrandingUral Regional School Programming Contest 2014329783

20503D-modelingUral Championship 2015703162

2054AstronomyUral Championship 2015286657

2067Friends and BerriesUral Regional School Programming Contest 2015740323

2076VasianaNEERC 2015 Eastern Subregional Qualifier246891

2099Space InvaderUral FU Personal Contest 2014376584

2101Knight's ShieldUral FU Junior Championship 20161181698

2121Intersection of ParabolasPetrozavodsk Summer 2018. umnik_team contest216721

2139Experiment with JuiceUral School Programming Contest 2019254394

2148Insane ShotUral School Programming Contest 2019299498

2154Flight on a CannonballUral School Programming Contest 2020402557

2165Cake CutterUral School Programming Contest 2021371681

2166Two RoadsUral School Programming Contest 2022292025

2179Need More RoadsUral School Programming Contest 2023201705

2186Hands Up!Ural School Programming Contest 2024132221

2196ApocalypseICPC Ural Regional Contest Qualifier 2023191760

2206Runes in the Field 2University-Academy Olympiad 2022101553

2215Global ChangesUniversity-Academy Olympiad 202481723

2218ProrunICPC Ural Regional Contest Qualifier 2025161194

2221Convex Hull TreapICPC Ural Regional Contest Qualifier 2025101549

2227Geometry Contest101553