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Solved problems:
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ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
14660
99
1030
Titanic
Ural Championship 1999
1687
855
1043
Cover an Arc
USU Championship 2000
888
1600
1046
Geometrical Dreams
USU Local Contest. March 2000
759
1846
1052
Rabbit Hunt
USU Local Contest. March 2000
6182
229
1058
Chocolate
NEERC 2000 Central Subregional
494
2804
1065
Frontier
NEERC 2000
977
1359
1075
Thread in a Space
USU Personal Contest 2001
630
2037
1084
Goat in the Garden
Spring School Contest 2001
8652
148
1093
Darts
USU Local Contest. March 2001
615
1944
1103
Pencils and Circles
Tetrahedron Team Online Contest May 2001
933
496
1111
Squares
Bulgarian Online Contest September 2001
1188
392
1130
Nikifor's Walk
USU Championship 2001
497
928
1159
Fence
NEERC 2001 Northern Subregional
631
735
1163
Chapaev
NEERC 2001 Northern Subregional
236
1916
1168
Radio Stations
Romanian Online Contest December 2001
639
726
1170
Desert
Romanian Online Contest December 2001
311
1469
1185
Wall
NEERC 2001
1552
303
1192
Ball in a Dream
Spring School Contest 2002
4399
107
1199
Mouse
117
3518
1207
Median on the Plane
USU Local Contest. March 2002
2970
159
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1576
301
1232
Asteroid Landing
NEERC 2002 Central Subregional
190
2387
1234
Bricks
NEERC 2002
694
679
1239
Ghost Busters
NEERC 2002
148
3026
1246
Tethered Dog
USU Personal Contest 2003
1438
331
1256
Cemetery Guard
USU Local Contest. March 2003
200
2285
1258
Pool
Autumn School Contest 2003
1152
416
1265
Mirror
USU Championship 2003
309
1517
1271
Sailing Directions
USU Championship 2003
94
4652
1281
River Basin
NEERC 2003 Central Subregional
338
1391
1285
Thread in a Hyperspace
USU Personal Contest 2004
285
1647
1294
Mars Satellites
Spring School Contest 2004
1560
310
1305
Convex Hull
Ural Championship 1998
686
699
1308
Dean's Pyramid
Ural Championship 2004. Round 1
162
2829
1312
Tray
Ural Championship 2004. Round 1
155
2949
1317
Hail
Ural Championship 2004. Round 2
451
1056
1328
Fireball
Autumn School Contest 2004
346
1375
1331
Vladislava
Autumn School Contest 2004
481
997
1332
Genie Bomber
Autumn School Contest 2004
784
616
1333
Genie Bomber 2
Autumn School Contest 2004
2250
217
1340
Cucaracha
USU Championship 2004
89
4962
1341
Device
USU Championship 2004
427
1124
1348
Goat in the Garden 2
Spring School Contest 2005
2558
191
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
921
528
1372
Death Star
Ural Championship 2005. Round 1
74
5874
1373
Pictura ex Machina
Ural Championship 2005. Round 1
567
855
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
89
4985
1397
Points Game
260
1693
1405
Goat in the Garden 5
Autumn School Contest 2005
686
709
1412
Autumn Tide
USU Championship 2005
320
1491
1415
Mobile Life
USU Championship 2005
44
9107
1418
Military Story
USU Championship 2005
538
898
1422
Fireflies
Timus Top Coders: First Challenge
538
877
1429
Biscuits
Timus Top Coders: First Challenge
172
2640
1436
Billboard
USU Personal Contest 2006
569
827
1442
Floo Powder
Ural Championship 2006
137
3237
1444
Elephpotamus
Ural Championship 2006
982
480
1451
Beerhouse Tale
Timus Top Coders: Second Challenge
462
1002
1460
Wires
Petrozavodsk Winter 2006. USU Contest
99
4232
1464
Light
Petrozavodsk Winter 2006. USU Contest
148
2920
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
439
1018
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
101
4116
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
142
3006
1482
Triangle Game
USU Championship 2006
134
3163
1489
Points on a Parallelepiped
Autumn School Contest 2006
1144
394
1504
Good Manners
NEERC 2006 Eastern Subregional
190
2267
1514
National Park
Timus Top Coders: Third Challenge
241
1786
1520
Empire Strikes Back
Timus Top Coders: Third Challenge
167
2533
1538
Towers of Guard
USU Personal Contest 2007
339
1263
1550
Dean's Pyramid 3
Ural Championship 2007
704
610
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
35
9350
1562
GM-pineapple
USU Championship 2007
1003
414
1566
Triangular Postcards
USU Championship 2007
127
3061
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
2910
143
1578
Mammoth Hunt
Autumn School Contest 2007
469
874
1583
Cheese
NEERC 2007 Eastern Subregional
214
1863
1588
Jamaica
NEERC 2007 Eastern Subregional
1300
319
1599
Winding Number
72
2271
1600
Airport
USU Personal Contest 2008
721
555
1616
Square Country 4
Ural Championship 2008
92
3948
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
40
7795
1632
Lasers
USU Championship 2008
80
4275
1637
Triangle Game 2
USU Championship 2008
109
3233
1640
Circle of Winter
Autumn School Contest 2008
2242
170
1647
Divide an Island!
Autumn School Contest 2008
466
806
1653
Death Conveyor
NEERC 2008 Eastern Subregional
47
6716
1659
Regular Triangles
NEERC 2008 Eastern Subregional
602
626
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
48
6524
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
72
4615
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
369
994
1681
Brother Bear's Garden
USU Personal Contest 2009
93
3613
1686
Photovoltaic Spaceship
USU Personal Contest 2009
250
1431
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
59
5375
1703
Robotic Arm
Ural Championship 2009
201
1749
1710
Boris, You Are Wrong!
Ural Championship 2009
578
628
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
233
1451
1722
Observation Deck
Ural Regional School Programming Contest 2009
266
1275
1733
Forgotten Technology
USU Championship 2009
65
4675
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
281
1181
1753
Bookshelf
USU Personal Contest 2010
1055
319
1754
Explosion in a Pyramid
USU Personal Contest 2010
540
617
1768
Circular Strings
Ural Championship 2010
288
1131
1775
Space Bowling
Ural SU Championship 2010
358
875
1793
Tray 2
Ural Regional School Programming Contest 2010
852
373
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
164
1840
1824
Ifrit Bomber
USU Personal Contest 2011
298
1002
1825
Ifrit Bomber 2
USU Personal Contest 2011
350
858
1836
Babel Fish
Ural Championship 2011
271
1087
1839
The Mentaculus
Ural Championship 2011
115
2443
1840
Victim of Advertising
Ural Championship 2011
24
8981
1874
Football Goal
Ural Regional School Programming Contest 2011
1581
183
1875
Angry Birds
Ural Regional School Programming Contest 2011
311
908
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
247
1134
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
155
1763
1909
Space Recon
Ural Championship 2012
51
4325
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
143
1721
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
125
1950
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
250
1011
1938
Caribbean Triangle
Ural FU Championship 2012
46
4673
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
69
3107
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
97
2294
1963
Kite
Ural FU Personal Contest 2013
532
452
1983
Nectar Gathering
Ural FU Championship 2013
147
1504
1988
Planet Ocean Landing
Ural FU Championship 2013
217
1041
2016
Magic and Science
NEERC 2014 Eastern Subregional
17
7797
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
297
683
2050
3D-modeling
Ural Championship 2015
61
2764
2054
Astronomy
Ural Championship 2015
17
7267
2067
Friends and Berries
Ural Regional School Programming Contest 2015
645
282
2076
Vasiana
Qualification of Eastern Subregional 2015
15
7045
2099
Space Invader
Ural FU Personal Contest 2014
269
597
2101
Knight's Shield
Ural FU Junior Championship 2016
91
1563
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. t.me/umnik_team Contest
138
672
2139
Experiment with Juice
Ural School Programming Contest 2019
11
4262
2148
Insane Shot
Ural School Programming Contest 2019
178
476
2154
Flight on a Cannonball
Ural School Programming Contest 2020
20
2053
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