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Solved problems:
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ID
Title
Source
Authors
Difficulty
1003
Parity
Central European Olympiad in Informatics 1999
3999
385
1019
Line Painting
USU Local Contest. 1999
3322
462
1028
Stars
Ural Championship 1999
5791
264
1037
Memory Management
USU Championship 2000
1283
1173
1067
Disk Tree
NEERC 2000
3831
368
1090
In the Army Now
USU Local Contest. March 2001
3531
362
1097
Square Country 2
USU Local Contest. March 2001
934
1358
1100
Final Standings
Tetrahedron Team Online Contest May 2001
11199
44
1126
Magnetic Storms
USU Championship 2001
5403
92
1147
Shaping Regions
DSAP Vietnam Online Contest November 2001
658
743
1220
Stacks
USU Championship 2002
1808
276
1251
Cemetery Manager
USU Local Contest. March 2003
325
1507
1306
Sequence Median
Ural Championship 1998
3523
145
1316
Electronic Auction
Ural Championship 2004. Round 1
1159
437
1350
Canteen
Spring School Contest 2005
1298
395
1369
Cockroach Race
Ural Championship 2005. Round 2
30
12914
1414
Astronomical Database
USU Championship 2005
1184
433
1424
Minibus
Timus Top Coders: First Challenge
699
713
1439
Battle with You-Know-Who
Ural Championship 2006
1138
437
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1915
251
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
2916
165
1494
Monobilliards
Autumn School Contest 2006
4989
96
1521
War Games 2
Timus Top Coders: Third Challenge
3591
132
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1575
296
1542
Autocompletion
Ural Championship 2007
723
632
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1551
287
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
471
933
1613
For Fans of Statistics
Ural Championship 2008
3072
140
1628
White Streaks
USU Championship 2008
2447
169
1650
Billionaires
NEERC 2008 Eastern Subregional
2130
193
1654
Cipher Message
NEERC 2008 Eastern Subregional
7002
59
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3583
113
1682
Crazy Professor
USU Personal Contest 2009
742
535
1701
Ostap and Partners
Ural Championship 2009
617
637
1707
Hypnotoad's Secret
Ural Championship 2009
202
1884
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
163
2218
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1463
255
1772
Ski-Trails for Robots
Ural Championship 2010
500
723
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
144
2131
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
244
1290
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
701
457
1896
War Games 2.1
227
893
1977
Energy Wall
Ural Championship 2013
103
2464
1987
Nested Segments
Ural FU Championship 2013
1663
163
2014
Zhenya moves from parents
NEERC 2014 Eastern Subregional
455
535
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
51
4037
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
793
279
2075
Take care of your eyebrows!
Qualification of Eastern Subregional 2015
66
2840
2096
All Inclusive
Ural FU Personal Contest 2014
58
3042
2114
My craft
University academic school olympiad in informatics 2019
140
966
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
156
861
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
96
1348
2162
Graphmania
Ural School Programming Contest 2021
37
1208
2170
Experiment with Juice 2
Ural School Programming Contest 2022
25
1622
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
3
2178
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
3
2182
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