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Problem set. Volume 9
Solved problems:
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Volume 8
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ID
Title
Source
Authors
Difficulty
1800
Murphy's Law
NEERC 2010 Eastern Subregional
1903
174
1801
The Revolution Cup
NEERC 2010 Eastern Subregional
50
5544
1802
Cube Puzzle
NEERC 2010 Eastern Subregional
154
2028
1803
The Czechs' Rifles
NEERC 2010 Eastern Subregional
458
711
1804
The Machinegunners in a Playoff
NEERC 2010 Eastern Subregional
852
386
1805
Chapaev and a Cipher Grille
NEERC 2010 Eastern Subregional
342
945
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
1399
236
1807
Cartridges for Maxim
NEERC 2010 Eastern Subregional
227
1403
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
167
1879
1809
Chapaev and Potatoes
NEERC 2010 Eastern Subregional
574
570
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
70
4066
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
222
1402
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
109
2733
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
201
1541
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
95
3098
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
64
4395
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
126
2391
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
322
980
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
154
1983
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
35
7228
1820
Ural Steaks
USU Personal Contest 2011
12772
25
1821
Biathlon
USU Personal Contest 2011
1917
167
1822
Hugo II's War
USU Personal Contest 2011
470
670
1823
Ideal Gas
USU Personal Contest 2011
973
327
1824
Ifrit Bomber
USU Personal Contest 2011
304
1024
1825
Ifrit Bomber 2
USU Personal Contest 2011
356
878
1826
Minefield
USU Personal Contest 2011
1087
293
1827
Indigenous Wars
USU Personal Contest 2011
273
1136
1828
Approximation by a Progression
USU Personal Contest 2011
699
453
1829
Routing Tables
USU Personal Contest 2011
89
3247
1830
Help in the RNOS
Ural Championship 2011
349
886
1831
Tsyfirkin's Lesson
Ural Championship 2011
130
2272
1832
Arirang Show
Ural Championship 2011
344
899
1833
Hopes of Rowing
Ural Championship 2011
148
2013
1834
Tennis Racket
Ural Championship 2011
58
4678
1835
Swamp Doctor
Ural Championship 2011
94
3059
1836
Babel Fish
Ural Championship 2011
277
1108
1837
Isenbaev's Number
Ural Championship 2011
5428
58
1838
Samurai's Stroke
Ural Championship 2011
451
690
1839
The Mentaculus
Ural Championship 2011
117
2505
1840
Victim of Advertising
Ural Championship 2011
26
8836
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
140
2047
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
36
6675
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
66
4040
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
195
1498
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
58
4516
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2033
150
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
59
4450
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
48
5294
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
119
2380
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
101
2766
1851
GOV-internship
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
177
1640
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
117
2414
1853
Laser Technologies
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
32
7300
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
744
407
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
236
1246
1856
War and Peace
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
73
3694
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
230
1278
1858
Magic Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
71
3785
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
62
4258
1860
Fiborial
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
673
449
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
311
955
1862
Very Wealthy Mole
Ural FU Championship 2011
244
1201
1863
Peaceful Atom
Ural FU Championship 2011
286
1030
1864
Get-Together at Den's
Ural FU Championship 2011
1858
163
1865
The Island of Märket
Ural FU Championship 2011
84
3244
1866
Poetic Foot
Ural FU Championship 2011
407
731
1867
Nanotechnologies
Ural FU Championship 2011
112
2500
1868
Prediction Contest
Ural FU Championship 2011
2045
148
1869
New Year Cruise
Ural FU Championship 2011
1360
223
1870
Zinium 2
Ural FU Championship 2011
450
663
1871
Seismic Waves
Ural FU Championship 2011
501
597
1872
Spacious Office
Ural FU Championship 2011
397
749
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
865
348
1874
Football Goal
Ural Regional School Programming Contest 2011
1623
186
1875
Angry Birds
Ural Regional School Programming Contest 2011
317
931
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5831
52
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
16089
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1503
201
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
212
1371
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10128
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5090
60
1882
Old Nokia
Ural Regional School Programming Contest 2011
107
2602
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
253
1158
1884
Way to the University
Ural Regional School Programming Contest 2011
462
645
1885
Passenger Comfort
NEERC 2011 Eastern Subregional
1540
196
1886
Trip 2
NEERC 2011 Eastern Subregional
142
1999
1887
Frequent Flyer Card
NEERC 2011 Eastern Subregional
284
1034
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
667
449
1889
Airport Announcements
NEERC 2011 Eastern Subregional
1057
285
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
683
439
1891
Language Ocean
NEERC 2011 Eastern Subregional
449
662
1892
Morning in Koltsovo
NEERC 2011 Eastern Subregional
350
844
1893
A380
NEERC 2011 Eastern Subregional
5309
57
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
178
1616
1895
Steaks on Board
NEERC 2011 Eastern Subregional
133
2125
1896
War Games 2.1
201
885
1897
Alice and Bob and a string
15
5217
Solved problems:
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