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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
22221
16
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14493
25
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6281
62
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4584
85
1792
Hamming Code
Ural Regional School Programming Contest 2010
4350
82
1731
Dill
Ural Regional School Programming Contest 2009
3739
104
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3327
108
1796
Amusement Park
Ural Regional School Programming Contest 2010
3311
108
1726
Visits
Ural Regional School Programming Contest 2009
3110
125
1711
Code Names
NEERC 2009 Eastern Subregional
2932
132
1777
Anindilyakwa
Ural SU Championship 2010
2882
125
1740
Deer is Better!
USU Championship 2009
2788
138
1725
Sold Out!
Ural Regional School Programming Contest 2009
2778
139
1709
Penguin-Avia
Ural Championship 2009
2633
153
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2254
159
1756
One and a Half Diggers
USU Personal Contest 2010
2118
177
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1946
199
1769
Old Ural Legend
Ural Championship 2010
1833
203
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1816
197
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1656
216
1737
Mnemonics and Palindromes 3
USU Championship 2009
1531
251
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1478
256
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1442
248
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1421
266
1741
Communication Fiend
USU Championship 2009
1346
286
1718
Rejudge
NEERC 2009 Eastern Subregional
1265
305
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1227
308
1753
Bookshelf
USU Personal Contest 2010
1127
331
1779
The Great Team
Ural SU Championship 2010
1065
335
1793
Tray 2
Ural Regional School Programming Contest 2010
907
392
1732
Ministry of Truth
USU Championship 2009
842
455
1700
Awakening
Ural Championship 2009
841
475
1759
Long-Livers
USU Personal Contest 2010
811
459
1776
Anniversary Firework
Ural SU Championship 2010
768
463
1783
Nuclear Arms Race
Ural SU Championship 2010
758
469
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
731
524
1774
Barber of the Army of Mages
Ural SU Championship 2010
695
511
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
662
579
1701
Ostap and Partners
Ural Championship 2009
624
638
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
610
627
1710
Boris, You Are Wrong!
Ural Championship 2009
608
655
1713
Key Substrings
NEERC 2009 Eastern Subregional
607
631
1706
Cipher Message 2
Ural Championship 2009
594
670
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
580
658
1754
Explosion in a Pyramid
USU Personal Contest 2010
573
646
1760
Infernal Work
USU Personal Contest 2010
547
676
1716
Alternative Solution
NEERC 2009 Eastern Subregional
508
751
1767
The House of Doctor Dee
Ural Championship 2010
505
727
1772
Ski-Trails for Robots
Ural Championship 2010
505
727
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
453
822
1755
Cake
USU Personal Contest 2010
447
824
1773
Metro to Every Home
Ural Championship 2010
430
851
1705
Gangster Hares
Ural Championship 2009
421
939
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
385
985
1780
Gray Code
Ural SU Championship 2010
381
921
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
379
978
1738
Computer Security
USU Championship 2009
378
998
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
375
1010
1775
Space Bowling
Ural SU Championship 2010
373
940
1761
Binary Palindrome
USU Personal Contest 2010
336
1088
1730
ManBearPig
Ural Regional School Programming Contest 2009
331
1139
1736
Chinese Hockey
USU Championship 2009
323
1163
1703
Robotic Arm
Ural Championship 2009
312
1257
1768
Circular Strings
Ural Championship 2010
306
1185
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
293
1256
1784
Rounders
Ural SU Championship 2010
285
1221
1722
Observation Deck
Ural Regional School Programming Contest 2009
279
1344
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
268
1369
1766
Humpty Dumpty
Ural Championship 2010
260
1386
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
253
1367
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
251
1491
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
236
1462
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
217
1676
1762
Search for a Hiding-Place
USU Personal Contest 2010
215
1674
1770
The Party of Ural Champions
Ural Championship 2010
206
1733
1707
Hypnotoad's Secret
Ural Championship 2009
203
1900
1739
Faryuks
USU Championship 2009
200
1844
1764
Transsib
Ural Championship 2010
198
1800
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
171
2102
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
170
2114
1702
Crossroad
Ural Championship 2009
166
2299
1734
Endgame Database
USU Championship 2009
166
2200
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
165
2223
1782
Jack's New Word
Ural SU Championship 2010
162
2094
1781
Clean Code
Ural SU Championship 2010
158
2143
1757
Gold Bars
USU Personal Contest 2010
152
2325
1758
Bald Spot Revisited 2
USU Personal Contest 2010
127
2749
1735
Theft of the Century
USU Championship 2009
123
2912
1704
Demodulation
Ural Championship 2009
114
3263
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
111
3215
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
91
3768
1798
Fire Circle. Version 2
87
2429
1765
Error 404
Ural Championship 2010
78
4253
1733
Forgotten Technology
USU Championship 2009
73
4665
1778
Chinese Hockey 2
Ural SU Championship 2010
72
4391
1763
Expert Flea
Ural Championship 2010
59
5425
1771
A Deputy's Morning
Ural Championship 2010
49
6344
1797
Summit Online Judge. Version 2
46
5477
1799
Sasha and swag strings
36
5042
1708
Sum of Digits 2
Ural Championship 2009
25
11559
Solved problems:
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