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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
4150
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
136
3497
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
283
1742
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
42
9817
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
91
5054
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2086
244
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
429
1163
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
357
1391
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
21
16468
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
903
559
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9632
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
86
5318
1459
Archer's Travel
Petrozavodsk Winter 2006. USU Contest
278
1664
1460
Wires
Petrozavodsk Winter 2006. USU Contest
105
4168
1461
Christmas Garland
Petrozavodsk Winter 2006. USU Contest
472
995
1462
Uncle Scrooge's Gold
Petrozavodsk Winter 2006. USU Contest
564
835
1463
Happiness to People!
Petrozavodsk Winter 2006. USU Contest
791
598
1464
Light
Petrozavodsk Winter 2006. USU Contest
156
2888
1465
Pawn Game
Petrozavodsk Winter 2006. USU Contest
958
495
1466
Magic Square
Petrozavodsk Winter 2006. USU Contest
142
3154
1467
Sum of Degrees
Petrozavodsk Winter 2006. USU Contest
382
1223
1468
Fraction
Petrozavodsk Summer 2006. Ural+Orel Contest
559
835
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
473
984
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1885
251
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
2853
166
1472
Martian Army
Petrozavodsk Summer 2006. Ural+Orel Contest
434
1070
1473
Farm 2
Petrozavodsk Summer 2006. Ural+Orel Contest
79
5338
1474
About Frogs
Petrozavodsk Summer 2006. Ural+Orel Contest
653
717
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
115
3801
1476
Lunar Code
Petrozavodsk Summer 2006. Ural+Orel Contest
357
1294
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
149
2988
1478
Spy Satellites
Petrozavodsk Summer 2006. Ural+Orel Contest
109
3992
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
95
4524
1522
Factory
Petrozavodsk Winter 2007. D.Gozman Contest
251
1765
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1546
296
1524
Men in Black
Petrozavodsk Winter 2007. D.Gozman Contest
25
13161
1525
Path
Petrozavodsk Winter 2007. D.Gozman Contest
1150
397
1526
Martian Plates
Petrozavodsk Winter 2007. D.Gozman Contest
330
1355
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
388
1157
1528
Sequence
Petrozavodsk Winter 2007. D.Gozman Contest
1716
267
1529
Game of Squares
Petrozavodsk Winter 2007. D.Gozman Contest
113
3745
1530
Ones and Zeroes
Petrozavodsk Winter 2007. D.Gozman Contest
508
889
1531
Zones on a Plane
Petrozavodsk Winter 2007. D.Gozman Contest
314
1422
1552
Brainfuck
Petrozavodsk Summer 2007. NSU Contest
363
1180
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1511
289
1554
Multiplicative Functions
Petrozavodsk Summer 2007. NSU Contest
687
632
1555
Find the Treasure!
Petrozavodsk Summer 2007. NSU Contest
36
9569
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
37
9365
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
236
1789
1558
Periodical Numbers
Petrozavodsk Summer 2007. NSU Contest
505
855
1559
TruCoders Linguistics
Petrozavodsk Summer 2007. NSU Contest
92
4315
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
464
929
1561
Winnie the Pooh
Petrozavodsk Summer 2007. NSU Contest
144
2858
1618
Arrays Printing
Petrozavodsk Winter 2008. ITMO Contest
84
4364
1619
Big Brother
Petrozavodsk Winter 2008. ITMO Contest
571
706
1620
Clever House
Petrozavodsk Winter 2008. ITMO Contest
262
1508
1621
Definite Integral
Petrozavodsk Winter 2008. ITMO Contest
80
4558
1622
Endspiel
Petrozavodsk Winter 2008. ITMO Contest
124
3061
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
122
3108
1624
Go out of here!
Petrozavodsk Winter 2008. ITMO Contest
71
5064
1625
Hankel Matrix
Petrozavodsk Winter 2008. ITMO Contest
388
1031
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
41
8043
1627
Join
Petrozavodsk Winter 2008. ITMO Contest
371
1077
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
51
6545
1661
Dodecahedron
Petrozavodsk Winter 2008. USU Contest
97
3731
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
76
4643
1663
The Hobbit or There and Back Again 2
Petrozavodsk Winter 2008. USU Contest
122
3025
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
195
1948
1665
Dean's Financial Pyramid
Petrozavodsk Winter 2008. USU Contest
911
434
1666
Vasya Ferrari
Petrozavodsk Winter 2008. USU Contest
301
1284
1667
Square Country 3
Petrozavodsk Winter 2008. USU Contest
192
1977
1668
Death Star 2
Petrozavodsk Winter 2008. USU Contest
59
5786
1669
Universal Word
Petrozavodsk Winter 2008. USU Contest
280
1377
1670
Asterisk
Petrozavodsk Summer 2008. USU Contest
206
1840
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3423
116
1672
Droid flies
Petrozavodsk Summer 2008. USU Contest
26
11040
1673
Admission to Exam
Petrozavodsk Summer 2008. USU Contest
300
1282
1674
Drunk King
Petrozavodsk Summer 2008. USU Contest
55
6114
1675
Lunar Code 2
Petrozavodsk Summer 2008. USU Contest
209
1815
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
219
1736
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
246
1552
1678
Space Poker 3
Petrozavodsk Summer 2008. USU Contest
56
6022
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
384
1009
1690
Army of Mages
Petrozavodsk Winter 2009. USU Contest
624
618
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
113
3187
1692
Flags for Provinces
Petrozavodsk Winter 2009. USU Contest
1053
369
1693
Loyd's Problem
Petrozavodsk Winter 2009. USU Contest
25
11200
1694
Killer Words
Petrozavodsk Winter 2009. USU Contest
131
2780
1695
Work for Robots
Petrozavodsk Winter 2009. USU Contest
126
2882
1696
Salary for Robots
Petrozavodsk Winter 2009. USU Contest
435
881
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
61
5521
1698
Square Country 5
Petrozavodsk Winter 2009. USU Contest
611
631
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
355
1074
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1198
303
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
374
952
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2042
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
437
818
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
215
1625
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
264
1334
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1391
261
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2042
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
289
1223
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
90
3656
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1443
252
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
73
4044
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
226
1422
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
111
2774
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
203
1576
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
100
3052
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
67
4359
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
131
2381
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
325
1002
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
160
1975
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
37
7142
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
145
2050
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
38
6620
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
69
4022
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
197
1535
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
60
4540
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2095
151
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
63
4353
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
53
5044
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
121
2426
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
104
2788
1851
GOV-internship
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
180
1670
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
121
2422
1853
Laser Technologies
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
33
7379
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
759
413
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
239
1274
1856
War and Peace
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
75
3733
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
233
1306
1858
Magic Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
76
3690
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
66
4175
1860
Fiborial
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
692
452
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
315
976
1951
Complex Root
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
135
1867
1952
To Kill the Dragon
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
13
11771
1953
Biggest Inscribed Ellipse
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
103
2396
1954
Five Palindromes
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
61
3814
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3009
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
106
2334
1957
Mundial
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
38
5641
1958
Algorithm of Professor Ivanov
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
64
3659
1959
GOV-internship 3
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
251
1037
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
627
425
2036
Intersect Until You're Sick of It
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
134
1629
2037
Richness of binary words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
195
1144
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
83
2523
2039
Striped Square
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
23
7109
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
269
841
2041
Nanomatryoshkas
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
92
2300
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
49
3976
2043
Kirill the Gardener 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
43
4427
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
83
2523
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
508
453
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
84
1379
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
148
820
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team Contest
63
1776
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
174
704
2122
Hamming
Petrozavodsk Summer 2018. umnik_team Contest
17
4801
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team Contest
124
967
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
93
1258
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team Contest
29
3324
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team Contest
75
1525
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team Contest
27
3503
Solved problems:
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