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Solved problems:
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ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
15619
100
1030
Titanic
Ural Championship 1999
1722
895
1043
Cover an Arc
USU Championship 2000
926
1640
1046
Geometrical Dreams
USU Local Contest. March 2000
795
1884
1052
Rabbit Hunt
USU Local Contest. March 2000
6396
237
1058
Chocolate
NEERC 2000 Central Subregional
528
2807
1065
Frontier
NEERC 2000
1008
1408
1075
Thread in a Space
USU Personal Contest 2001
682
2013
1084
Goat in the Garden
Spring School Contest 2001
9096
150
1093
Darts
USU Local Contest. March 2001
640
1997
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
947
1159
Fence
NEERC 2001 Northern Subregional
656
755
1163
Chapaev
NEERC 2001 Northern Subregional
113
4087
1168
Radio Stations
Romanian Online Contest December 2001
676
733
1170
Desert
Romanian Online Contest December 2001
328
1488
1185
Wall
NEERC 2001
1668
301
1192
Ball in a Dream
Spring School Contest 2002
4610
109
1199
Mouse
131
3401
1207
Median on the Plane
USU Local Contest. March 2002
4171
121
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1679
301
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2376
1234
Bricks
NEERC 2002
730
688
1239
Ghost Busters
NEERC 2002
153
3123
1246
Tethered Dog
USU Personal Contest 2003
1514
335
1256
Cemetery Guard
USU Local Contest. March 2003
214
2280
1258
Pool
Autumn School Contest 2003
1224
417
1265
Mirror
USU Championship 2003
322
1549
1271
Sailing Directions
USU Championship 2003
101
4634
1281
River Basin
NEERC 2003 Central Subregional
363
1380
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1634
1294
Mars Satellites
Spring School Contest 2004
1627
316
1305
Convex Hull
Ural Championship 1998
720
708
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2873
1312
Tray
Ural Championship 2004. Round 1
161
3024
1317
Hail
Ural Championship 2004. Round 2
472
1073
1328
Fireball
Autumn School Contest 2004
358
1412
1331
Vladislava
Autumn School Contest 2004
510
1000
1332
Genie Bomber
Autumn School Contest 2004
827
621
1333
Genie Bomber 2
Autumn School Contest 2004
2383
217
1340
Cucaracha
USU Championship 2004
94
5014
1341
Device
USU Championship 2004
445
1146
1348
Goat in the Garden 2
Spring School Contest 2005
2908
179
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
985
524
1372
Death Star
Ural Championship 2005. Round 1
79
5882
1373
Pictura ex Machina
Ural Championship 2005. Round 1
610
844
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
96
4939
1397
Points Game
274
1723
1405
Goat in the Garden 5
Autumn School Contest 2005
720
717
1412
Autumn Tide
USU Championship 2005
332
1527
1415
Mobile Life
USU Championship 2005
46
9320
1418
Military Story
USU Championship 2005
563
911
1422
Fireflies
Timus Top Coders: First Challenge
583
862
1429
Biscuits
Timus Top Coders: First Challenge
181
2677
1436
Billboard
USU Personal Contest 2006
600
836
1442
Floo Powder
Ural Championship 2006
148
3209
1444
Elephpotamus
Ural Championship 2006
1840
274
1451
Beerhouse Tale
Timus Top Coders: Second Challenge
496
997
1460
Wires
Petrozavodsk Winter 2006. USU Contest
107
4216
1464
Light
Petrozavodsk Winter 2006. USU Contest
160
2902
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
513
935
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
117
3851
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
151
3038
1482
Triangle Game
USU Championship 2006
147
3107
1489
Points on a Parallelepiped
Autumn School Contest 2006
1245
388
1504
Good Manners
NEERC 2006 Eastern Subregional
208
2229
1514
National Park
Timus Top Coders: Third Challenge
257
1802
1520
Empire Strikes Back
Timus Top Coders: Third Challenge
186
2455
1538
Towers of Guard
USU Personal Contest 2007
359
1284
1550
Dean's Pyramid 3
Ural Championship 2007
774
599
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
39
9288
1562
GM-pineapple
USU Championship 2007
1112
405
1566
Triangular Postcards
USU Championship 2007
136
3109
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3085
146
1578
Mammoth Hunt
Autumn School Contest 2007
504
882
1583
Cheese
NEERC 2007 Eastern Subregional
230
1883
1588
Jamaica
NEERC 2007 Eastern Subregional
1375
326
1599
Winding Number
117
1847
1600
Airport
USU Personal Contest 2008
781
557
1616
Square Country 4
Ural Championship 2008
99
4020
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
44
7888
1632
Lasers
USU Championship 2008
83
4530
1637
Triangle Game 2
USU Championship 2008
115
3370
1640
Circle of Winter
Autumn School Contest 2008
2384
175
1647
Divide an Island!
Autumn School Contest 2008
493
835
1653
Death Conveyor
NEERC 2008 Eastern Subregional
53
6658
1659
Regular Triangles
NEERC 2008 Eastern Subregional
636
649
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
54
6489
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
80
4615
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
394
1024
1681
Brother Bear's Garden
USU Personal Contest 2009
101
3688
1686
Photovoltaic Spaceship
USU Personal Contest 2009
261
1511
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
64
5517
1703
Robotic Arm
Ural Championship 2009
312
1262
1710
Boris, You Are Wrong!
Ural Championship 2009
610
656
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
253
1487
1722
Observation Deck
Ural Regional School Programming Contest 2009
279
1351
1733
Forgotten Technology
USU Championship 2009
73
4689
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
293
1262
1753
Bookshelf
USU Personal Contest 2010
1130
332
1754
Explosion in a Pyramid
USU Personal Contest 2010
575
647
1768
Circular Strings
Ural Championship 2010
308
1183
1775
Space Bowling
Ural SU Championship 2010
374
943
1793
Tray 2
Ural Regional School Programming Contest 2010
909
393
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
174
1959
1824
Ifrit Bomber
USU Personal Contest 2011
319
1063
1825
Ifrit Bomber 2
USU Personal Contest 2011
368
925
1836
Babel Fish
Ural Championship 2011
286
1171
1839
The Mentaculus
Ural Championship 2011
124
2586
1840
Victim of Advertising
Ural Championship 2011
31
8453
1874
Football Goal
Ural Regional School Programming Contest 2011
1704
195
1875
Angry Birds
Ural Regional School Programming Contest 2011
334
969
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
266
1208
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
219
1454
1909
Space Recon
Ural Championship 2012
60
4393
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
152
1895
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
136
2103
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
272
1087
1938
Caribbean Triangle
Ural FU Championship 2012
52
4928
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
81
3190
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
110
2419
1963
Kite
Ural FU Personal Contest 2013
586
486
1983
Nectar Gathering
Ural FU Championship 2013
161
1646
1988
Planet Ocean Landing
Ural FU Championship 2013
233
1159
2016
Magic and Science
NEERC 2014 Eastern Subregional
21
8302
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
321
775
2050
3D-modeling
Ural Championship 2015
66
3209
2054
Astronomy
Ural Championship 2015
22
7622
2067
Friends and Berries
Ural Regional School Programming Contest 2015
722
318
2076
Vasiana
Qualification of Eastern Subregional 2015
18
8036
2099
Space Invader
Ural FU Personal Contest 2014
337
623
2101
Knight's Shield
Ural FU Junior Championship 2016
109
1746
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
202
721
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4485
2148
Insane Shot
Ural School Programming Contest 2019
285
487
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2495
2165
Cake Cutter
Ural School Programming Contest 2021
26
1884
2166
Two Roads
Ural School Programming Contest 2022
19
2337
2179
Need More Roads
Ural School Programming Contest 2023
7
2331
2186
Hands Up!
Ural School Programming Contest 2024
6
2472
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
8
2195
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