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Solved problems:
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ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
15577
99
1030
Titanic
Ural Championship 1999
1718
891
1043
Cover an Arc
USU Championship 2000
924
1634
1046
Geometrical Dreams
USU Local Contest. March 2000
790
1884
1052
Rabbit Hunt
USU Local Contest. March 2000
6375
236
1058
Chocolate
NEERC 2000 Central Subregional
527
2795
1065
Frontier
NEERC 2000
1005
1403
1075
Thread in a Space
USU Personal Contest 2001
681
2003
1084
Goat in the Garden
Spring School Contest 2001
9066
150
1093
Darts
USU Local Contest. March 2001
639
1987
1103
Pencils and Circles
Tetrahedron Team Online Contest May 2001
977
503
1111
Squares
Bulgarian Online Contest September 2001
1275
388
1130
Nikifor's Walk
USU Championship 2001
519
943
1159
Fence
NEERC 2001 Northern Subregional
654
753
1163
Chapaev
NEERC 2001 Northern Subregional
111
4129
1168
Radio Stations
Romanian Online Contest December 2001
672
733
1170
Desert
Romanian Online Contest December 2001
326
1487
1185
Wall
NEERC 2001
1656
301
1192
Ball in a Dream
Spring School Contest 2002
4594
109
1199
Mouse
130
3403
1207
Median on the Plane
USU Local Contest. March 2002
4148
121
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1674
300
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2362
1234
Bricks
NEERC 2002
730
684
1239
Ghost Busters
NEERC 2002
153
3104
1246
Tethered Dog
USU Personal Contest 2003
1511
334
1256
Cemetery Guard
USU Local Contest. March 2003
213
2277
1258
Pool
Autumn School Contest 2003
1218
416
1265
Mirror
USU Championship 2003
322
1540
1271
Sailing Directions
USU Championship 2003
101
4607
1281
River Basin
NEERC 2003 Central Subregional
362
1375
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1625
1294
Mars Satellites
Spring School Contest 2004
1623
315
1305
Convex Hull
Ural Championship 1998
716
708
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2856
1312
Tray
Ural Championship 2004. Round 1
161
3006
1317
Hail
Ural Championship 2004. Round 2
471
1069
1328
Fireball
Autumn School Contest 2004
357
1408
1331
Vladislava
Autumn School Contest 2004
507
1000
1332
Genie Bomber
Autumn School Contest 2004
822
621
1333
Genie Bomber 2
Autumn School Contest 2004
2376
217
1340
Cucaracha
USU Championship 2004
94
4985
1341
Device
USU Championship 2004
445
1140
1348
Goat in the Garden 2
Spring School Contest 2005
2837
182
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
984
522
1372
Death Star
Ural Championship 2005. Round 1
77
5983
1373
Pictura ex Machina
Ural Championship 2005. Round 1
607
844
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
94
5006
1397
Points Game
272
1724
1405
Goat in the Garden 5
Autumn School Contest 2005
719
714
1412
Autumn Tide
USU Championship 2005
330
1527
1415
Mobile Life
USU Championship 2005
46
9268
1418
Military Story
USU Championship 2005
561
909
1422
Fireflies
Timus Top Coders: First Challenge
580
862
1429
Biscuits
Timus Top Coders: First Challenge
180
2675
1436
Billboard
USU Personal Contest 2006
596
836
1442
Floo Powder
Ural Championship 2006
146
3231
1444
Elephpotamus
Ural Championship 2006
1816
276
1451
Beerhouse Tale
Timus Top Coders: Second Challenge
492
999
1460
Wires
Petrozavodsk Winter 2006. USU Contest
106
4225
1464
Light
Petrozavodsk Winter 2006. USU Contest
159
2900
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
507
940
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
116
3857
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
151
3018
1482
Triangle Game
USU Championship 2006
147
3087
1489
Points on a Parallelepiped
Autumn School Contest 2006
1242
387
1504
Good Manners
NEERC 2006 Eastern Subregional
207
2224
1514
National Park
Timus Top Coders: Third Challenge
255
1803
1520
Empire Strikes Back
Timus Top Coders: Third Challenge
186
2438
1538
Towers of Guard
USU Personal Contest 2007
357
1282
1550
Dean's Pyramid 3
Ural Championship 2007
770
597
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
38
9411
1562
GM-pineapple
USU Championship 2007
1108
403
1566
Triangular Postcards
USU Championship 2007
136
3085
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3075
146
1578
Mammoth Hunt
Autumn School Contest 2007
502
879
1583
Cheese
NEERC 2007 Eastern Subregional
228
1885
1588
Jamaica
NEERC 2007 Eastern Subregional
1365
326
1599
Winding Number
111
1899
1600
Airport
USU Personal Contest 2008
778
555
1616
Square Country 4
Ural Championship 2008
99
3988
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
43
7970
1632
Lasers
USU Championship 2008
83
4491
1637
Triangle Game 2
USU Championship 2008
115
3341
1640
Circle of Winter
Autumn School Contest 2008
2375
175
1647
Divide an Island!
Autumn School Contest 2008
489
835
1653
Death Conveyor
NEERC 2008 Eastern Subregional
53
6601
1659
Regular Triangles
NEERC 2008 Eastern Subregional
633
647
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
53
6535
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
80
4574
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
392
1020
1681
Brother Bear's Garden
USU Personal Contest 2009
101
3655
1686
Photovoltaic Spaceship
USU Personal Contest 2009
261
1497
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
63
5542
1703
Robotic Arm
Ural Championship 2009
312
1251
1710
Boris, You Are Wrong!
Ural Championship 2009
607
653
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
251
1484
1722
Observation Deck
Ural Regional School Programming Contest 2009
279
1338
1733
Forgotten Technology
USU Championship 2009
73
4643
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
293
1250
1753
Bookshelf
USU Personal Contest 2010
1125
330
1754
Explosion in a Pyramid
USU Personal Contest 2010
571
645
1768
Circular Strings
Ural Championship 2010
306
1179
1775
Space Bowling
Ural SU Championship 2010
373
935
1793
Tray 2
Ural Regional School Programming Contest 2010
903
392
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
172
1959
1824
Ifrit Bomber
USU Personal Contest 2011
317
1057
1825
Ifrit Bomber 2
USU Personal Contest 2011
367
917
1836
Babel Fish
Ural Championship 2011
283
1169
1839
The Mentaculus
Ural Championship 2011
124
2556
1840
Victim of Advertising
Ural Championship 2011
31
8354
1874
Football Goal
Ural Regional School Programming Contest 2011
1697
193
1875
Angry Birds
Ural Regional School Programming Contest 2011
332
963
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
264
1202
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
215
1461
1909
Space Recon
Ural Championship 2012
60
4332
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
151
1880
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
136
2073
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
271
1076
1938
Caribbean Triangle
Ural FU Championship 2012
52
4858
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3176
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
109
2402
1963
Kite
Ural FU Personal Contest 2013
583
481
1983
Nectar Gathering
Ural FU Championship 2013
160
1630
1988
Planet Ocean Landing
Ural FU Championship 2013
232
1145
2016
Magic and Science
NEERC 2014 Eastern Subregional
19
8716
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
318
768
2050
3D-modeling
Ural Championship 2015
66
3148
2054
Astronomy
Ural Championship 2015
20
7974
2067
Friends and Berries
Ural Regional School Programming Contest 2015
716
315
2076
Vasiana
Qualification of Eastern Subregional 2015
18
7865
2099
Space Invader
Ural FU Personal Contest 2014
333
616
2101
Knight's Shield
Ural FU Junior Championship 2016
104
1780
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
197
713
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4319
2148
Insane Shot
Ural School Programming Contest 2019
278
480
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2379
2165
Cake Cutter
Ural School Programming Contest 2021
24
1825
2166
Two Roads
Ural School Programming Contest 2022
18
2215
2179
Need More Roads
Ural School Programming Contest 2023
5
2246
2186
Hands Up!
Ural School Programming Contest 2024
3
2585
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
6
2098
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