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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
18708
16
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
11741
26
1723
Sandro's Book
Ural Regional School Programming Contest 2009
5422
61
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4213
79
1792
Hamming Code
Ural Regional School Programming Contest 2010
3916
76
1731
Dill
Ural Regional School Programming Contest 2009
3370
98
1796
Amusement Park
Ural Regional School Programming Contest 2010
3017
99
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3001
100
1711
Code Names
NEERC 2009 Eastern Subregional
2663
124
1777
Anindilyakwa
Ural SU Championship 2010
2643
113
1725
Sold Out!
Ural Regional School Programming Contest 2009
2521
131
1740
Deer is Better!
USU Championship 2009
2413
136
1709
Penguin-Avia
Ural Championship 2009
2275
153
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2028
147
1756
One and a Half Diggers
USU Personal Contest 2010
1937
164
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1788
185
1769
Old Ural Legend
Ural Championship 2010
1692
186
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1651
181
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1523
196
1726
Visits
Ural Regional School Programming Contest 2009
1463
225
1737
Mnemonics and Palindromes 3
USU Championship 2009
1407
233
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1260
236
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1253
256
1741
Communication Fiend
USU Championship 2009
1209
271
1718
Rejudge
NEERC 2009 Eastern Subregional
1171
282
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1076
298
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1027
312
1753
Bookshelf
USU Personal Contest 2010
1025
308
1779
The Great Team
Ural SU Championship 2010
983
303
1793
Tray 2
Ural Regional School Programming Contest 2010
837
355
1732
Ministry of Truth
USU Championship 2009
757
431
1700
Awakening
Ural Championship 2009
750
460
1759
Long-Livers
USU Personal Contest 2010
740
425
1783
Nuclear Arms Race
Ural SU Championship 2010
699
424
1776
Anniversary Firework
Ural SU Championship 2010
688
431
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
665
492
1774
Barber of the Army of Mages
Ural SU Championship 2010
658
450
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
601
544
1710
Boris, You Are Wrong!
Ural Championship 2009
569
604
1701
Ostap and Partners
Ural Championship 2009
565
608
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
560
582
1713
Key Substrings
NEERC 2009 Eastern Subregional
556
587
1706
Cipher Message 2
Ural Championship 2009
553
621
1754
Explosion in a Pyramid
USU Personal Contest 2010
528
593
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
515
632
1760
Infernal Work
USU Personal Contest 2010
504
621
1767
The House of Doctor Dee
Ural Championship 2010
467
663
1772
Ski-Trails for Robots
Ural Championship 2010
439
705
1716
Alternative Solution
NEERC 2009 Eastern Subregional
425
764
1755
Cake
USU Personal Contest 2010
409
761
1773
Metro to Every Home
Ural Championship 2010
406
761
1705
Gangster Hares
Ural Championship 2009
396
861
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
360
874
1738
Computer Security
USU Championship 2009
358
898
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
353
890
1780
Gray Code
Ural SU Championship 2010
353
829
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
351
921
1775
Space Bowling
Ural SU Championship 2010
351
834
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
332
972
1761
Binary Palindrome
USU Personal Contest 2010
304
1016
1730
ManBearPig
Ural Regional School Programming Contest 2009
302
1064
1736
Chinese Hockey
USU Championship 2009
278
1148
1768
Circular Strings
Ural Championship 2010
274
1114
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
265
1175
1784
Rounders
Ural SU Championship 2010
261
1110
1722
Observation Deck
Ural Regional School Programming Contest 2009
258
1238
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
243
1278
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
235
1226
1766
Humpty Dumpty
Ural Championship 2010
231
1313
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
228
1397
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
224
1283
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
200
1539
1762
Search for a Hiding-Place
USU Personal Contest 2010
195
1556
1770
The Party of Ural Champions
Ural Championship 2010
185
1623
1703
Robotic Arm
Ural Championship 2009
183
1811
1707
Hypnotoad's Secret
Ural Championship 2009
179
1849
1764
Transsib
Ural Championship 2010
177
1692
1702
Crossroad
Ural Championship 2009
159
2068
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
156
1947
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
155
1959
1734
Endgame Database
USU Championship 2009
154
2016
1739
Faryuks
USU Championship 2009
152
2041
1782
Jack's New Word
Ural SU Championship 2010
149
1892
1781
Clean Code
Ural SU Championship 2010
143
1967
1757
Gold Bars
USU Personal Contest 2010
140
2126
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
125
2463
1758
Bald Spot Revisited 2
USU Personal Contest 2010
111
2636
1735
Theft of the Century
USU Championship 2009
108
2801
1704
Demodulation
Ural Championship 2009
106
3013
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
106
2867
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
83
3476
1765
Error 404
Ural Championship 2010
74
3767
1778
Chinese Hockey 2
Ural SU Championship 2010
65
4012
1733
Forgotten Technology
USU Championship 2009
64
4467
1763
Expert Flea
Ural Championship 2010
52
5104
1771
A Deputy's Morning
Ural Championship 2010
46
5651
1797
Summit Online Judge. Version 2
37
5161
1798
Fire Circle. Version 2
36
3585
1799
Sasha and swag strings
28
4234
1708
Sum of Digits 2
Ural Championship 2009
18
12481
Solved problems:
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