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Problem set. Petrozavodsk Training Camp
Solved problems:
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Sort by:
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authors
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difficulty
ID
Title
Source
Authors
Difficulty
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
113
4155
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3477
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
283
1744
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9643
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
92
5010
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2086
244
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
429
1164
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
357
1393
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
21
16486
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
905
559
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
44
9464
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
86
5324
1459
Archer's Travel
Petrozavodsk Winter 2006. USU Contest
278
1667
1460
Wires
Petrozavodsk Winter 2006. USU Contest
105
4173
1461
Christmas Garland
Petrozavodsk Winter 2006. USU Contest
472
996
1462
Uncle Scrooge's Gold
Petrozavodsk Winter 2006. USU Contest
565
835
1463
Happiness to People!
Petrozavodsk Winter 2006. USU Contest
791
599
1464
Light
Petrozavodsk Winter 2006. USU Contest
156
2891
1465
Pawn Game
Petrozavodsk Winter 2006. USU Contest
961
494
1466
Magic Square
Petrozavodsk Winter 2006. USU Contest
142
3158
1467
Sum of Degrees
Petrozavodsk Winter 2006. USU Contest
382
1224
1468
Fraction
Petrozavodsk Summer 2006. Ural+Orel Contest
559
836
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
474
983
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1888
251
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
2858
166
1472
Martian Army
Petrozavodsk Summer 2006. Ural+Orel Contest
434
1071
1473
Farm 2
Petrozavodsk Summer 2006. Ural+Orel Contest
80
5285
1474
About Frogs
Petrozavodsk Summer 2006. Ural+Orel Contest
655
715
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
115
3805
1476
Lunar Code
Petrozavodsk Summer 2006. Ural+Orel Contest
358
1293
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
149
2992
1478
Spy Satellites
Petrozavodsk Summer 2006. Ural+Orel Contest
110
3964
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
96
4487
1522
Factory
Petrozavodsk Winter 2007. D.Gozman Contest
251
1767
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1548
296
1524
Men in Black
Petrozavodsk Winter 2007. D.Gozman Contest
25
13178
1525
Path
Petrozavodsk Winter 2007. D.Gozman Contest
1150
398
1526
Martian Plates
Petrozavodsk Winter 2007. D.Gozman Contest
331
1353
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
388
1159
1528
Sequence
Petrozavodsk Winter 2007. D.Gozman Contest
1717
267
1529
Game of Squares
Petrozavodsk Winter 2007. D.Gozman Contest
115
3690
1530
Ones and Zeroes
Petrozavodsk Winter 2007. D.Gozman Contest
508
890
1531
Zones on a Plane
Petrozavodsk Winter 2007. D.Gozman Contest
315
1419
1552
Brainfuck
Petrozavodsk Summer 2007. NSU Contest
363
1182
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1513
289
1554
Multiplicative Functions
Petrozavodsk Summer 2007. NSU Contest
687
632
1555
Find the Treasure!
Petrozavodsk Summer 2007. NSU Contest
36
9582
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
38
9183
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
237
1785
1558
Periodical Numbers
Petrozavodsk Summer 2007. NSU Contest
505
856
1559
TruCoders Linguistics
Petrozavodsk Summer 2007. NSU Contest
93
4280
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
465
928
1561
Winnie the Pooh
Petrozavodsk Summer 2007. NSU Contest
144
2862
1618
Arrays Printing
Petrozavodsk Winter 2008. ITMO Contest
85
4325
1619
Big Brother
Petrozavodsk Winter 2008. ITMO Contest
571
707
1620
Clever House
Petrozavodsk Winter 2008. ITMO Contest
262
1511
1621
Definite Integral
Petrozavodsk Winter 2008. ITMO Contest
80
4565
1622
Endspiel
Petrozavodsk Winter 2008. ITMO Contest
124
3066
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
122
3113
1624
Go out of here!
Petrozavodsk Winter 2008. ITMO Contest
72
5011
1625
Hankel Matrix
Petrozavodsk Winter 2008. ITMO Contest
388
1032
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
42
7902
1627
Join
Petrozavodsk Winter 2008. ITMO Contest
371
1078
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
52
6451
1661
Dodecahedron
Petrozavodsk Winter 2008. USU Contest
98
3703
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
77
4597
1663
The Hobbit or There and Back Again 2
Petrozavodsk Winter 2008. USU Contest
122
3030
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
195
1951
1665
Dean's Financial Pyramid
Petrozavodsk Winter 2008. USU Contest
912
434
1666
Vasya Ferrari
Petrozavodsk Winter 2008. USU Contest
301
1286
1667
Square Country 3
Petrozavodsk Winter 2008. USU Contest
192
1980
1668
Death Star 2
Petrozavodsk Winter 2008. USU Contest
60
5713
1669
Universal Word
Petrozavodsk Winter 2008. USU Contest
280
1379
1670
Asterisk
Petrozavodsk Summer 2008. USU Contest
206
1843
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3432
116
1672
Droid flies
Petrozavodsk Summer 2008. USU Contest
27
10760
1673
Admission to Exam
Petrozavodsk Summer 2008. USU Contest
300
1284
1674
Drunk King
Petrozavodsk Summer 2008. USU Contest
56
6032
1675
Lunar Code 2
Petrozavodsk Summer 2008. USU Contest
209
1818
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
220
1731
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
246
1555
1678
Space Poker 3
Petrozavodsk Summer 2008. USU Contest
57
5942
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
385
1008
1690
Army of Mages
Petrozavodsk Winter 2009. USU Contest
624
619
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
114
3167
1692
Flags for Provinces
Petrozavodsk Winter 2009. USU Contest
1055
369
1693
Loyd's Problem
Petrozavodsk Winter 2009. USU Contest
26
10908
1694
Killer Words
Petrozavodsk Winter 2009. USU Contest
131
2785
1695
Work for Robots
Petrozavodsk Winter 2009. USU Contest
126
2887
1696
Salary for Robots
Petrozavodsk Winter 2009. USU Contest
436
880
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
62
5454
1698
Square Country 5
Petrozavodsk Winter 2009. USU Contest
611
632
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
355
1076
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1198
303
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
375
951
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
170
2035
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
437
819
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
215
1628
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
264
1337
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1391
261
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2046
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
290
1221
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
90
3663
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1444
252
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
74
4005
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
226
1426
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
112
2758
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
203
1579
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
101
3031
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
67
4369
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
132
2369
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
325
1004
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
161
1967
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
37
7158
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
145
2055
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
38
6636
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
69
4032
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
197
1539
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
60
4551
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2099
151
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
63
4364
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
53
5056
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
121
2432
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
104
2794
1851
GOV-internship
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
180
1674
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
121
2428
1853
Laser Technologies
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
33
7397
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
761
413
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
239
1277
1856
War and Peace
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
75
3742
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
233
1309
1858
Magic Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
76
3699
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
66
4185
1860
Fiborial
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
693
452
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
315
979
1951
Complex Root
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
136
1860
1952
To Kill the Dragon
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
13
11807
1953
Biggest Inscribed Ellipse
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
103
2403
1954
Five Palindromes
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
62
3772
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3018
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
106
2341
1957
Mundial
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
39
5543
1958
Algorithm of Professor Ivanov
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
64
3670
1959
GOV-internship 3
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
251
1041
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
628
426
2036
Intersect Until You're Sick of It
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
135
1624
2037
Richness of binary words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
196
1143
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
83
2532
2039
Striped Square
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
23
7135
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
269
844
2041
Nanomatryoshkas
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
92
2309
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
49
3991
2043
Kirill the Gardener 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
44
4361
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
83
2532
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
510
453
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
84
1389
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
148
827
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team Contest
63
1789
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
175
706
2122
Hamming
Petrozavodsk Summer 2018. umnik_team Contest
17
4837
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team Contest
124
975
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
93
1268
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team Contest
29
3349
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team Contest
75
1537
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team Contest
27
3530
Solved problems:
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