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Problem set. Petrozavodsk Training Camp
Solved problems:
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authors
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difficulty
ID
Title
Source
Authors
Difficulty
1380
Ostap's Chess
Petrozavodsk Summer 2005. MSU+USU Contest
120
4073
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. MSU+USU Contest
145
3416
1382
Game with Cards
Petrozavodsk Summer 2005. MSU+USU Contest
299
1714
1383
Flower-garden Designs
Petrozavodsk Summer 2005. MSU+USU Contest
50
8825
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. MSU+USU Contest
106
4565
1385
Interesting Number
Petrozavodsk Summer 2005. MSU+USU Contest
2135
247
1386
Maze
Petrozavodsk Summer 2005. MSU+USU Contest
450
1151
1387
Vasya's Dad
Petrozavodsk Summer 2005. MSU+USU Contest
381
1354
1388
Photo
Petrozavodsk Summer 2005. MSU+USU Contest
30
13237
1389
Roadworks
Petrozavodsk Summer 2005. MSU+USU Contest
951
551
1390
Shots at Walls
Petrozavodsk Summer 2005. MSU+USU Contest
51
8680
1391
Snake
Petrozavodsk Summer 2005. MSU+USU Contest
89
5348
1459
Archer's Travel
Petrozavodsk Winter 2006. USU Contest
286
1688
1460
Wires
Petrozavodsk Winter 2006. USU Contest
113
4061
1461
Christmas Garland
Petrozavodsk Winter 2006. USU Contest
496
987
1462
Uncle Scrooge's Gold
Petrozavodsk Winter 2006. USU Contest
582
844
1463
Happiness to People!
Petrozavodsk Winter 2006. USU Contest
827
597
1464
Light
Petrozavodsk Winter 2006. USU Contest
167
2822
1465
Pawn Game
Petrozavodsk Winter 2006. USU Contest
1013
488
1466
Magic Square
Petrozavodsk Winter 2006. USU Contest
145
3223
1467
Sum of Degrees
Petrozavodsk Winter 2006. USU Contest
401
1216
1468
Fraction
Petrozavodsk Summer 2006. Ural+Orel Contest
582
837
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
534
911
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1952
253
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
3033
163
1472
Martian Army
Petrozavodsk Summer 2006. Ural+Orel Contest
470
1032
1473
Farm 2
Petrozavodsk Summer 2006. Ural+Orel Contest
85
5215
1474
About Frogs
Petrozavodsk Summer 2006. Ural+Orel Contest
674
724
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
121
3782
1476
Lunar Code
Petrozavodsk Summer 2006. Ural+Orel Contest
380
1270
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
156
2985
1478
Spy Satellites
Petrozavodsk Summer 2006. Ural+Orel Contest
114
3996
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
110
4129
1522
Factory
Petrozavodsk Winter 2007. D.Gozman Contest
261
1777
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1617
296
1524
Men in Black
Petrozavodsk Winter 2007. D.Gozman Contest
30
12039
1525
Path
Petrozavodsk Winter 2007. D.Gozman Contest
1274
375
1526
Martian Plates
Petrozavodsk Winter 2007. D.Gozman Contest
350
1338
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
414
1136
1528
Sequence
Petrozavodsk Winter 2007. D.Gozman Contest
1763
272
1529
Game of Squares
Petrozavodsk Winter 2007. D.Gozman Contest
122
3648
1530
Ones and Zeroes
Petrozavodsk Winter 2007. D.Gozman Contest
535
884
1531
Zones on a Plane
Petrozavodsk Winter 2007. D.Gozman Contest
324
1442
1552
Brainfuck
Petrozavodsk Summer 2007. NSU Contest
386
1166
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1624
283
1554
Multiplicative Functions
Petrozavodsk Summer 2007. NSU Contest
715
637
1555
Find the Treasure!
Petrozavodsk Summer 2007. NSU Contest
47
8103
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
44
8553
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
261
1704
1558
Periodical Numbers
Petrozavodsk Summer 2007. NSU Contest
527
860
1559
TruCoders Linguistics
Petrozavodsk Summer 2007. NSU Contest
100
4199
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
483
937
1561
Winnie the Pooh
Petrozavodsk Summer 2007. NSU Contest
150
2887
1618
Arrays Printing
Petrozavodsk Winter 2008. ITMO Contest
93
4205
1619
Big Brother
Petrozavodsk Winter 2008. ITMO Contest
596
715
1620
Clever House
Petrozavodsk Winter 2008. ITMO Contest
270
1547
1621
Definite Integral
Petrozavodsk Winter 2008. ITMO Contest
90
4331
1622
Endspiel
Petrozavodsk Winter 2008. ITMO Contest
125
3208
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
130
3094
1624
Go out of here!
Petrozavodsk Winter 2008. ITMO Contest
77
4978
1625
Hankel Matrix
Petrozavodsk Winter 2008. ITMO Contest
404
1046
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
50
7218
1627
Join
Petrozavodsk Winter 2008. ITMO Contest
387
1091
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
57
6307
1661
Dodecahedron
Petrozavodsk Winter 2008. USU Contest
106
3643
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
82
4593
1663
The Hobbit or There and Back Again 2
Petrozavodsk Winter 2008. USU Contest
124
3154
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
211
1912
1665
Dean's Financial Pyramid
Petrozavodsk Winter 2008. USU Contest
953
439
1666
Vasya Ferrari
Petrozavodsk Winter 2008. USU Contest
321
1277
1667
Square Country 3
Petrozavodsk Winter 2008. USU Contest
219
1845
1668
Death Star 2
Petrozavodsk Winter 2008. USU Contest
65
5634
1669
Universal Word
Petrozavodsk Winter 2008. USU Contest
293
1395
1670
Asterisk
Petrozavodsk Summer 2008. USU Contest
212
1896
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3921
107
1672
Droid flies
Petrozavodsk Summer 2008. USU Contest
32
10019
1673
Admission to Exam
Petrozavodsk Summer 2008. USU Contest
339
1206
1674
Drunk King
Petrozavodsk Summer 2008. USU Contest
60
6012
1675
Lunar Code 2
Petrozavodsk Summer 2008. USU Contest
224
1798
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
235
1718
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
258
1570
1678
Space Poker 3
Petrozavodsk Summer 2008. USU Contest
74
5010
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
411
1000
1690
Army of Mages
Petrozavodsk Winter 2009. USU Contest
643
636
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
135
2866
1692
Flags for Provinces
Petrozavodsk Winter 2009. USU Contest
1086
379
1693
Loyd's Problem
Petrozavodsk Winter 2009. USU Contest
30
10390
1694
Killer Words
Petrozavodsk Winter 2009. USU Contest
133
2906
1695
Work for Robots
Petrozavodsk Winter 2009. USU Contest
135
2866
1696
Salary for Robots
Petrozavodsk Winter 2009. USU Contest
474
859
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
69
5261
1698
Square Country 5
Petrozavodsk Winter 2009. USU Contest
641
638
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
377
1074
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1248
310
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
385
988
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
184
2011
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
470
813
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
228
1639
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
278
1355
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1453
267
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
182
2032
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
298
1267
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
103
3453
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1509
257
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
77
4155
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
243
1429
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
119
2802
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
220
1572
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
108
3063
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
73
4355
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
147
2302
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
346
1015
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
173
1975
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
45
6572
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
149
2165
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
49
5835
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
74
4098
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
211
1558
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
65
4590
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2222
154
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
75
4050
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
68
4414
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
126
2531
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
116
2732
1851
GOV-internship
Petrozavodsk Summer 2011. USU Contest
189
1728
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. USU Contest
126
2528
1853
Laser Technologies
Petrozavodsk Summer 2011. USU Contest
39
7016
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. USU Contest
805
422
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. USU Contest
259
1278
1856
War and Peace
Petrozavodsk Summer 2011. USU Contest
84
3658
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. USU Contest
243
1359
1858
Magic Cube
Petrozavodsk Summer 2011. USU Contest
82
3737
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. USU Contest
77
3952
1860
Fiborial
Petrozavodsk Summer 2011. USU Contest
727
467
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. USU Contest
334
999
1951
Complex Root
Petrozavodsk Winter 2013. Ural FU Contest
152
1846
1952
To Kill the Dragon
Petrozavodsk Winter 2013. Ural FU Contest
21
9646
1953
Biggest Inscribed Ellipse
Petrozavodsk Winter 2013. Ural FU Contest
106
2578
1954
Five Palindromes
Petrozavodsk Winter 2013. Ural FU Contest
72
3647
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Ural FU Contest
84
3182
1956
Fire Signals
Petrozavodsk Winter 2013. Ural FU Contest
116
2374
1957
Mundial
Petrozavodsk Winter 2013. Ural FU Contest
49
5069
1958
Algorithm of Professor Ivanov
Petrozavodsk Winter 2013. Ural FU Contest
71
3692
1959
GOV-internship 3
Petrozavodsk Winter 2013. Ural FU Contest
271
1064
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Ural FU Contest
680
433
2036
Intersect Until You're Sick of It
Petrozavodsk Summer 2014. Ural FU Contest
142
1739
2037
Richness of binary words
Petrozavodsk Summer 2014. Ural FU Contest
207
1218
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Contest
101
2381
2039
Striped Square
Petrozavodsk Summer 2014. Ural FU Contest
33
6147
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Contest
296
864
2041
Nanomatryoshkas
Petrozavodsk Summer 2014. Ural FU Contest
114
2132
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Contest
66
3478
2043
Kirill the Gardener 2
Petrozavodsk Summer 2014. Ural FU Contest
50
4405
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Contest
94
2541
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Contest
547
475
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team contest
109
1373
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team contest
196
793
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team contest
76
1900
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team contest
216
723
2122
Hamming
Petrozavodsk Summer 2018. umnik_team contest
30
4085
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team contest
149
1028
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team contest
113
1328
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team contest
43
3083
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team contest
90
1634
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team contest
37
3477
Solved problems:
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