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Solved problems:
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ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
14895
99
1030
Titanic
Ural Championship 1999
1693
866
1043
Cover an Arc
USU Championship 2000
901
1603
1046
Geometrical Dreams
USU Local Contest. March 2000
766
1859
1052
Rabbit Hunt
USU Local Contest. March 2000
6230
231
1058
Chocolate
NEERC 2000 Central Subregional
509
2768
1065
Frontier
NEERC 2000
985
1370
1075
Thread in a Space
USU Personal Contest 2001
646
2020
1084
Goat in the Garden
Spring School Contest 2001
8756
148
1093
Darts
USU Local Contest. March 2001
619
1963
1103
Pencils and Circles
Tetrahedron Team Online Contest May 2001
946
497
1111
Squares
Bulgarian Online Contest September 2001
1201
394
1130
Nikifor's Walk
USU Championship 2001
503
932
1159
Fence
NEERC 2001 Northern Subregional
636
741
1163
Chapaev
NEERC 2001 Northern Subregional
244
1885
1168
Radio Stations
Romanian Online Contest December 2001
649
727
1170
Desert
Romanian Online Contest December 2001
315
1474
1185
Wall
NEERC 2001
1575
303
1192
Ball in a Dream
Spring School Contest 2002
4458
108
1199
Mouse
123
3418
1207
Median on the Plane
USU Local Contest. March 2002
3151
152
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1610
299
1232
Asteroid Landing
NEERC 2002 Central Subregional
193
2389
1234
Bricks
NEERC 2002
702
682
1239
Ghost Busters
NEERC 2002
149
3054
1246
Tethered Dog
USU Personal Contest 2003
1463
331
1256
Cemetery Guard
USU Local Contest. March 2003
203
2288
1258
Pool
Autumn School Contest 2003
1169
416
1265
Mirror
USU Championship 2003
310
1535
1271
Sailing Directions
USU Championship 2003
95
4677
1281
River Basin
NEERC 2003 Central Subregional
345
1384
1285
Thread in a Hyperspace
USU Personal Contest 2004
293
1628
1294
Mars Satellites
Spring School Contest 2004
1582
310
1305
Convex Hull
Ural Championship 1998
694
701
1308
Dean's Pyramid
Ural Championship 2004. Round 1
163
2855
1312
Tray
Ural Championship 2004. Round 1
157
2957
1317
Hail
Ural Championship 2004. Round 2
453
1067
1328
Fireball
Autumn School Contest 2004
351
1376
1331
Vladislava
Autumn School Contest 2004
491
991
1332
Genie Bomber
Autumn School Contest 2004
792
619
1333
Genie Bomber 2
Autumn School Contest 2004
2281
217
1340
Cucaracha
USU Championship 2004
90
4985
1341
Device
USU Championship 2004
431
1130
1348
Goat in the Garden 2
Spring School Contest 2005
2572
193
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
938
526
1372
Death Star
Ural Championship 2005. Round 1
74
5960
1373
Pictura ex Machina
Ural Championship 2005. Round 1
584
843
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
90
5007
1397
Points Game
265
1690
1405
Goat in the Garden 5
Autumn School Contest 2005
694
711
1412
Autumn Tide
USU Championship 2005
323
1499
1415
Mobile Life
USU Championship 2005
44
9241
1418
Military Story
USU Championship 2005
544
901
1422
Fireflies
Timus Top Coders: First Challenge
544
881
1429
Biscuits
Timus Top Coders: First Challenge
177
2609
1436
Billboard
USU Personal Contest 2006
576
830
1442
Floo Powder
Ural Championship 2006
142
3180
1444
Elephpotamus
Ural Championship 2006
1077
445
1451
Beerhouse Tale
Timus Top Coders: Second Challenge
474
993
1460
Wires
Petrozavodsk Winter 2006. USU Contest
102
4187
1464
Light
Petrozavodsk Winter 2006. USU Contest
151
2913
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
453
1003
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
105
4040
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
143
3036
1482
Triangle Game
USU Championship 2006
140
3088
1489
Points on a Parallelepiped
Autumn School Contest 2006
1177
390
1504
Good Manners
NEERC 2006 Eastern Subregional
194
2261
1514
National Park
Timus Top Coders: Third Challenge
243
1803
1520
Empire Strikes Back
Timus Top Coders: Third Challenge
175
2466
1538
Towers of Guard
USU Personal Contest 2007
344
1267
1550
Dean's Pyramid 3
Ural Championship 2007
731
599
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
35
9532
1562
GM-pineapple
USU Championship 2007
1030
411
1566
Triangular Postcards
USU Championship 2007
130
3055
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
2967
143
1578
Mammoth Hunt
Autumn School Contest 2007
479
873
1583
Cheese
NEERC 2007 Eastern Subregional
218
1867
1588
Jamaica
NEERC 2007 Eastern Subregional
1316
321
1599
Winding Number
90
1978
1600
Airport
USU Personal Contest 2008
737
554
1616
Square Country 4
Ural Championship 2008
94
3954
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
40
7968
1632
Lasers
USU Championship 2008
81
4324
1637
Triangle Game 2
USU Championship 2008
111
3252
1640
Circle of Winter
Autumn School Contest 2008
2276
172
1647
Divide an Island!
Autumn School Contest 2008
471
815
1653
Death Conveyor
NEERC 2008 Eastern Subregional
47
6870
1659
Regular Triangles
NEERC 2008 Eastern Subregional
606
636
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
49
6564
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
74
4610
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
375
1001
1681
Brother Bear's Garden
USU Personal Contest 2009
93
3700
1686
Photovoltaic Spaceship
USU Personal Contest 2009
253
1449
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
60
5426
1703
Robotic Arm
Ural Championship 2009
216
1673
1710
Boris, You Are Wrong!
Ural Championship 2009
582
639
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
236
1470
1722
Observation Deck
Ural Regional School Programming Contest 2009
270
1290
1733
Forgotten Technology
USU Championship 2009
68
4614
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
284
1200
1753
Bookshelf
USU Personal Contest 2010
1080
320
1754
Explosion in a Pyramid
USU Personal Contest 2010
546
627
1768
Circular Strings
Ural Championship 2010
292
1147
1775
Space Bowling
Ural SU Championship 2010
363
889
1793
Tray 2
Ural Regional School Programming Contest 2010
862
380
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
166
1874
1824
Ifrit Bomber
USU Personal Contest 2011
300
1028
1825
Ifrit Bomber 2
USU Personal Contest 2011
353
878
1836
Babel Fish
Ural Championship 2011
276
1102
1839
The Mentaculus
Ural Championship 2011
117
2482
1840
Victim of Advertising
Ural Championship 2011
25
9006
1874
Football Goal
Ural Regional School Programming Contest 2011
1613
186
1875
Angry Birds
Ural Regional School Programming Contest 2011
316
925
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
253
1146
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
176
1618
1909
Space Recon
Ural Championship 2012
52
4424
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
145
1766
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
126
2013
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
259
1016
1938
Caribbean Triangle
Ural FU Championship 2012
46
4860
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
75
3014
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
98
2372
1963
Kite
Ural FU Personal Contest 2013
548
458
1983
Nectar Gathering
Ural FU Championship 2013
152
1525
1988
Planet Ocean Landing
Ural FU Championship 2013
220
1074
2016
Magic and Science
NEERC 2014 Eastern Subregional
18
7919
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
302
708
2050
3D-modeling
Ural Championship 2015
62
2884
2054
Astronomy
Ural Championship 2015
19
7159
2067
Friends and Berries
Ural Regional School Programming Contest 2015
668
290
2076
Vasiana
Qualification of Eastern Subregional 2015
16
7224
2099
Space Invader
Ural FU Personal Contest 2014
280
616
2101
Knight's Shield
Ural FU Junior Championship 2016
95
1617
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. t.me/umnik_team Contest
153
688
2139
Experiment with Juice
Ural School Programming Contest 2019
16
3940
2148
Insane Shot
Ural School Programming Contest 2019
198
492
2154
Flight on a Cannonball
Ural School Programming Contest 2020
24
2203
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