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Solved problems:
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ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
15613
99
1030
Titanic
Ural Championship 1999
1722
894
1043
Cover an Arc
USU Championship 2000
925
1641
1046
Geometrical Dreams
USU Local Contest. March 2000
791
1892
1052
Rabbit Hunt
USU Local Contest. March 2000
6390
237
1058
Chocolate
NEERC 2000 Central Subregional
528
2806
1065
Frontier
NEERC 2000
1008
1407
1075
Thread in a Space
USU Personal Contest 2001
682
2012
1084
Goat in the Garden
Spring School Contest 2001
9096
150
1093
Darts
USU Local Contest. March 2001
640
1995
1103
Pencils and Circles
Tetrahedron Team Online Contest May 2001
982
503
1111
Squares
Bulgarian Online Contest September 2001
1283
388
1130
Nikifor's Walk
USU Championship 2001
520
946
1159
Fence
NEERC 2001 Northern Subregional
655
756
1163
Chapaev
NEERC 2001 Northern Subregional
113
4085
1168
Radio Stations
Romanian Online Contest December 2001
676
733
1170
Desert
Romanian Online Contest December 2001
328
1487
1185
Wall
NEERC 2001
1667
301
1192
Ball in a Dream
Spring School Contest 2002
4609
109
1199
Mouse
131
3399
1207
Median on the Plane
USU Local Contest. March 2002
4167
121
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1676
301
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2375
1234
Bricks
NEERC 2002
730
688
1239
Ghost Busters
NEERC 2002
153
3121
1246
Tethered Dog
USU Personal Contest 2003
1514
335
1256
Cemetery Guard
USU Local Contest. March 2003
214
2279
1258
Pool
Autumn School Contest 2003
1222
417
1265
Mirror
USU Championship 2003
322
1549
1271
Sailing Directions
USU Championship 2003
101
4632
1281
River Basin
NEERC 2003 Central Subregional
363
1379
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1633
1294
Mars Satellites
Spring School Contest 2004
1627
315
1305
Convex Hull
Ural Championship 1998
719
709
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2871
1312
Tray
Ural Championship 2004. Round 1
161
3022
1317
Hail
Ural Championship 2004. Round 2
472
1072
1328
Fireball
Autumn School Contest 2004
358
1412
1331
Vladislava
Autumn School Contest 2004
510
999
1332
Genie Bomber
Autumn School Contest 2004
827
621
1333
Genie Bomber 2
Autumn School Contest 2004
2381
217
1340
Cucaracha
USU Championship 2004
94
5011
1341
Device
USU Championship 2004
445
1145
1348
Goat in the Garden 2
Spring School Contest 2005
2907
179
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
985
524
1372
Death Star
Ural Championship 2005. Round 1
79
5879
1373
Pictura ex Machina
Ural Championship 2005. Round 1
610
844
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
96
4937
1397
Points Game
274
1722
1405
Goat in the Garden 5
Autumn School Contest 2005
720
717
1412
Autumn Tide
USU Championship 2005
332
1526
1415
Mobile Life
USU Championship 2005
46
9316
1418
Military Story
USU Championship 2005
563
911
1422
Fireflies
Timus Top Coders: First Challenge
582
863
1429
Biscuits
Timus Top Coders: First Challenge
181
2676
1436
Billboard
USU Personal Contest 2006
599
837
1442
Floo Powder
Ural Championship 2006
148
3207
1444
Elephpotamus
Ural Championship 2006
1839
274
1451
Beerhouse Tale
Timus Top Coders: Second Challenge
495
998
1460
Wires
Petrozavodsk Winter 2006. USU Contest
107
4213
1464
Light
Petrozavodsk Winter 2006. USU Contest
160
2900
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
513
935
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
117
3849
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
151
3036
1482
Triangle Game
USU Championship 2006
147
3105
1489
Points on a Parallelepiped
Autumn School Contest 2006
1245
388
1504
Good Manners
NEERC 2006 Eastern Subregional
208
2227
1514
National Park
Timus Top Coders: Third Challenge
257
1801
1520
Empire Strikes Back
Timus Top Coders: Third Challenge
186
2453
1538
Towers of Guard
USU Personal Contest 2007
358
1287
1550
Dean's Pyramid 3
Ural Championship 2007
774
598
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
38
9475
1562
GM-pineapple
USU Championship 2007
1111
405
1566
Triangular Postcards
USU Championship 2007
136
3106
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3085
146
1578
Mammoth Hunt
Autumn School Contest 2007
504
881
1583
Cheese
NEERC 2007 Eastern Subregional
230
1882
1588
Jamaica
NEERC 2007 Eastern Subregional
1374
326
1599
Winding Number
117
1843
1600
Airport
USU Personal Contest 2008
781
557
1616
Square Country 4
Ural Championship 2008
99
4017
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
43
8031
1632
Lasers
USU Championship 2008
83
4526
1637
Triangle Game 2
USU Championship 2008
115
3367
1640
Circle of Winter
Autumn School Contest 2008
2383
175
1647
Divide an Island!
Autumn School Contest 2008
492
836
1653
Death Conveyor
NEERC 2008 Eastern Subregional
53
6653
1659
Regular Triangles
NEERC 2008 Eastern Subregional
635
650
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
53
6587
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
80
4611
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
394
1023
1681
Brother Bear's Garden
USU Personal Contest 2009
101
3685
1686
Photovoltaic Spaceship
USU Personal Contest 2009
261
1510
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
64
5512
1703
Robotic Arm
Ural Championship 2009
312
1261
1710
Boris, You Are Wrong!
Ural Championship 2009
610
655
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
252
1491
1722
Observation Deck
Ural Regional School Programming Contest 2009
279
1350
1733
Forgotten Technology
USU Championship 2009
73
4685
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
293
1261
1753
Bookshelf
USU Personal Contest 2010
1129
332
1754
Explosion in a Pyramid
USU Personal Contest 2010
575
647
1768
Circular Strings
Ural Championship 2010
308
1182
1775
Space Bowling
Ural SU Championship 2010
374
942
1793
Tray 2
Ural Regional School Programming Contest 2010
909
393
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
174
1957
1824
Ifrit Bomber
USU Personal Contest 2011
319
1062
1825
Ifrit Bomber 2
USU Personal Contest 2011
368
924
1836
Babel Fish
Ural Championship 2011
286
1170
1839
The Mentaculus
Ural Championship 2011
124
2584
1840
Victim of Advertising
Ural Championship 2011
31
8444
1874
Football Goal
Ural Regional School Programming Contest 2011
1703
194
1875
Angry Birds
Ural Regional School Programming Contest 2011
334
968
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
266
1207
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
219
1452
1909
Space Recon
Ural Championship 2012
60
4387
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
152
1893
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
136
2100
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
272
1086
1938
Caribbean Triangle
Ural FU Championship 2012
52
4921
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3220
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
109
2436
1963
Kite
Ural FU Personal Contest 2013
586
485
1983
Nectar Gathering
Ural FU Championship 2013
161
1644
1988
Planet Ocean Landing
Ural FU Championship 2013
232
1162
2016
Magic and Science
NEERC 2014 Eastern Subregional
21
8289
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
321
773
2050
3D-modeling
Ural Championship 2015
66
3204
2054
Astronomy
Ural Championship 2015
22
7608
2067
Friends and Berries
Ural Regional School Programming Contest 2015
720
319
2076
Vasiana
Qualification of Eastern Subregional 2015
18
8020
2099
Space Invader
Ural FU Personal Contest 2014
336
623
2101
Knight's Shield
Ural FU Junior Championship 2016
109
1742
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
202
719
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4470
2148
Insane Shot
Ural School Programming Contest 2019
285
485
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2484
2165
Cake Cutter
Ural School Programming Contest 2021
26
1869
2166
Two Roads
Ural School Programming Contest 2022
19
2319
2179
Need More Roads
Ural School Programming Contest 2023
7
2299
2186
Hands Up!
Ural School Programming Contest 2024
6
2438
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
8
2165
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