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Problem set. Volume 8
Solved problems:
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Volume 7
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ID
Title
Source
Authors
Difficulty
1785
Lost in Localization
Ural Regional School Programming Contest 2010
21900
16
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14032
25
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6114
61
1792
Hamming Code
Ural Regional School Programming Contest 2010
4271
81
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4519
83
1731
Dill
Ural Regional School Programming Contest 2009
3664
102
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3274
105
1796
Amusement Park
Ural Regional School Programming Contest 2010
3257
106
1777
Anindilyakwa
Ural SU Championship 2010
2835
122
1726
Visits
Ural Regional School Programming Contest 2009
2888
129
1711
Code Names
NEERC 2009 Eastern Subregional
2879
130
1740
Deer is Better!
USU Championship 2009
2709
137
1725
Sold Out!
Ural Regional School Programming Contest 2009
2716
138
1709
Penguin-Avia
Ural Championship 2009
2548
153
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2227
154
1756
One and a Half Diggers
USU Personal Contest 2010
2089
173
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1785
192
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1910
195
1769
Old Ural Legend
Ural Championship 2010
1794
200
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1635
210
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1414
243
1737
Mnemonics and Palindromes 3
USU Championship 2009
1506
246
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1443
252
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1390
262
1741
Communication Fiend
USU Championship 2009
1319
281
1718
Rejudge
NEERC 2009 Eastern Subregional
1243
300
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1200
303
1753
Bookshelf
USU Personal Contest 2010
1112
323
1779
The Great Team
Ural SU Championship 2010
1052
326
1793
Tray 2
Ural Regional School Programming Contest 2010
887
385
1732
Ministry of Truth
USU Championship 2009
827
446
1759
Long-Livers
USU Personal Contest 2010
793
452
1776
Anniversary Firework
Ural SU Championship 2010
750
455
1783
Nuclear Arms Race
Ural SU Championship 2010
737
463
1700
Awakening
Ural Championship 2009
814
475
1774
Barber of the Army of Mages
Ural SU Championship 2010
683
499
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
711
520
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
649
570
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
598
617
1713
Key Substrings
NEERC 2009 Eastern Subregional
596
620
1701
Ostap and Partners
Ural Championship 2009
610
631
1754
Explosion in a Pyramid
USU Personal Contest 2010
561
635
1710
Boris, You Are Wrong!
Ural Championship 2009
599
643
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
572
644
1706
Cipher Message 2
Ural Championship 2009
582
661
1760
Infernal Work
USU Personal Contest 2010
537
663
1767
The House of Doctor Dee
Ural Championship 2010
494
715
1772
Ski-Trails for Robots
Ural Championship 2010
489
722
1716
Alternative Solution
NEERC 2009 Eastern Subregional
484
760
1755
Cake
USU Personal Contest 2010
438
810
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
436
823
1773
Metro to Every Home
Ural Championship 2010
423
832
1780
Gray Code
Ural SU Championship 2010
374
901
1775
Space Bowling
Ural SU Championship 2010
368
915
1705
Gangster Hares
Ural Championship 2009
417
917
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
374
955
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
375
975
1738
Computer Security
USU Championship 2009
371
981
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
364
1004
1761
Binary Palindrome
USU Personal Contest 2010
324
1086
1730
ManBearPig
Ural Regional School Programming Contest 2009
327
1113
1736
Chinese Hockey
USU Championship 2009
315
1150
1768
Circular Strings
Ural Championship 2010
298
1170
1784
Rounders
Ural SU Championship 2010
283
1181
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
289
1227
1722
Observation Deck
Ural Regional School Programming Contest 2009
274
1320
1703
Robotic Arm
Ural Championship 2009
286
1322
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
263
1344
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
246
1349
1766
Humpty Dumpty
Ural Championship 2010
257
1350
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
233
1421
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
241
1496
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
214
1638
1762
Search for a Hiding-Place
USU Personal Contest 2010
210
1649
1770
The Party of Ural Champions
Ural Championship 2010
203
1692
1764
Transsib
Ural Championship 2010
194
1767
1739
Faryuks
USU Championship 2009
186
1907
1707
Hypnotoad's Secret
Ural Championship 2009
192
1938
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2049
1782
Jack's New Word
Ural SU Championship 2010
158
2059
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
168
2061
1781
Clean Code
Ural SU Championship 2010
157
2071
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
163
2171
1734
Endgame Database
USU Championship 2009
162
2173
1702
Crossroad
Ural Championship 2009
165
2237
1757
Gold Bars
USU Personal Contest 2010
150
2268
1758
Bald Spot Revisited 2
USU Personal Contest 2010
123
2728
1735
Theft of the Century
USU Championship 2009
120
2875
1798
Fire Circle. Version 2
64
2955
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
109
3156
1704
Demodulation
Ural Championship 2009
111
3235
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
89
3705
1765
Error 404
Ural Championship 2010
77
4143
1778
Chinese Hockey 2
Ural SU Championship 2010
70
4324
1733
Forgotten Technology
USU Championship 2009
69
4730
1799
Sasha and swag strings
34
4885
1763
Expert Flea
Ural Championship 2010
58
5301
1797
Summit Online Judge. Version 2
44
5395
1771
A Deputy's Morning
Ural Championship 2010
47
6324
1708
Sum of Digits 2
Ural Championship 2009
24
11511
Solved problems:
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