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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
21885
16
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14017
25
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6110
61
1792
Hamming Code
Ural Regional School Programming Contest 2010
4270
81
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4518
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
2836
121
1711
Code Names
NEERC 2009 Eastern Subregional
2880
130
1726
Visits
Ural Regional School Programming Contest 2009
2879
130
1725
Sold Out!
Ural Regional School Programming Contest 2009
2717
137
1740
Deer is Better!
USU Championship 2009
2710
137
1709
Penguin-Avia
Ural Championship 2009
2547
153
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2228
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
1911
195
1769
Old Ural Legend
Ural Championship 2010
1795
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
1415
242
1737
Mnemonics and Palindromes 3
USU Championship 2009
1507
246
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1444
252
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1391
262
1741
Communication Fiend
USU Championship 2009
1320
281
1718
Rejudge
NEERC 2009 Eastern Subregional
1244
299
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1200
303
1753
Bookshelf
USU Personal Contest 2010
1113
323
1779
The Great Team
Ural SU Championship 2010
1053
325
1793
Tray 2
Ural Regional School Programming Contest 2010
888
384
1732
Ministry of Truth
USU Championship 2009
828
446
1759
Long-Livers
USU Personal Contest 2010
794
451
1776
Anniversary Firework
Ural SU Championship 2010
751
454
1783
Nuclear Arms Race
Ural SU Championship 2010
738
462
1700
Awakening
Ural Championship 2009
814
475
1774
Barber of the Army of Mages
Ural SU Championship 2010
684
498
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
711
520
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
650
568
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
597
617
1713
Key Substrings
NEERC 2009 Eastern Subregional
597
618
1701
Ostap and Partners
Ural Championship 2009
610
631
1754
Explosion in a Pyramid
USU Personal Contest 2010
560
636
1710
Boris, You Are Wrong!
Ural Championship 2009
598
643
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
573
643
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
495
713
1772
Ski-Trails for Robots
Ural Championship 2010
490
720
1716
Alternative Solution
NEERC 2009 Eastern Subregional
485
758
1755
Cake
USU Personal Contest 2010
439
807
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
437
820
1773
Metro to Every Home
Ural Championship 2010
424
830
1780
Gray Code
Ural SU Championship 2010
375
898
1705
Gangster Hares
Ural Championship 2009
418
914
1775
Space Bowling
Ural SU Championship 2010
368
914
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
375
952
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
374
977
1738
Computer Security
USU Championship 2009
372
977
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
365
1000
1761
Binary Palindrome
USU Personal Contest 2010
325
1082
1730
ManBearPig
Ural Regional School Programming Contest 2009
328
1108
1736
Chinese Hockey
USU Championship 2009
316
1145
1768
Circular Strings
Ural Championship 2010
299
1165
1784
Rounders
Ural SU Championship 2010
284
1175
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
290
1222
1722
Observation Deck
Ural Regional School Programming Contest 2009
275
1314
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
264
1338
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
247
1342
1703
Robotic Arm
Ural Championship 2009
281
1344
1766
Humpty Dumpty
Ural Championship 2010
258
1344
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
234
1414
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
242
1489
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
215
1629
1762
Search for a Hiding-Place
USU Personal Contest 2010
211
1640
1770
The Party of Ural Champions
Ural Championship 2010
204
1683
1764
Transsib
Ural Championship 2010
195
1757
1739
Faryuks
USU Championship 2009
187
1895
1707
Hypnotoad's Secret
Ural Championship 2009
193
1927
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
170
2036
1782
Jack's New Word
Ural SU Championship 2010
159
2045
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2047
1781
Clean Code
Ural SU Championship 2010
158
2057
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
164
2156
1734
Endgame Database
USU Championship 2009
163
2158
1702
Crossroad
Ural Championship 2009
166
2222
1757
Gold Bars
USU Personal Contest 2010
151
2251
1758
Bald Spot Revisited 2
USU Personal Contest 2010
124
2705
1735
Theft of the Century
USU Championship 2009
121
2850
1798
Fire Circle. Version 2
65
2910
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
110
3126
1704
Demodulation
Ural Championship 2009
112
3206
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
90
3665
1765
Error 404
Ural Championship 2010
78
4092
1778
Chinese Hockey 2
Ural SU Championship 2010
71
4266
1733
Forgotten Technology
USU Championship 2009
70
4667
1799
Sasha and swag strings
35
4766
1763
Expert Flea
Ural Championship 2010
59
5219
1797
Summit Online Judge. Version 2
44
5388
1771
A Deputy's Morning
Ural Championship 2010
48
6209
1708
Sum of Digits 2
Ural Championship 2009
25
11173
Solved problems:
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