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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
112
4209
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3493
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
283
1753
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
42
9876
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
91
5084
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2089
245
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
430
1167
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
357
1399
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
21
16565
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
908
559
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9689
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5406
1459
Archer's Travel
Petrozavodsk Winter 2006. USU Contest
278
1676
1460
Wires
Petrozavodsk Winter 2006. USU Contest
105
4196
1461
Christmas Garland
Petrozavodsk Winter 2006. USU Contest
471
1003
1462
Uncle Scrooge's Gold
Petrozavodsk Winter 2006. USU Contest
567
836
1463
Happiness to People!
Petrozavodsk Winter 2006. USU Contest
795
599
1464
Light
Petrozavodsk Winter 2006. USU Contest
156
2907
1465
Pawn Game
Petrozavodsk Winter 2006. USU Contest
965
495
1466
Magic Square
Petrozavodsk Winter 2006. USU Contest
141
3196
1467
Sum of Degrees
Petrozavodsk Winter 2006. USU Contest
382
1231
1468
Fraction
Petrozavodsk Summer 2006. Ural+Orel Contest
559
841
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
478
980
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1898
251
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
2877
166
1472
Martian Army
Petrozavodsk Summer 2006. Ural+Orel Contest
436
1072
1473
Farm 2
Petrozavodsk Summer 2006. Ural+Orel Contest
79
5374
1474
About Frogs
Petrozavodsk Summer 2006. Ural+Orel Contest
660
714
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
114
3857
1476
Lunar Code
Petrozavodsk Summer 2006. Ural+Orel Contest
358
1300
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
149
3008
1478
Spy Satellites
Petrozavodsk Summer 2006. Ural+Orel Contest
109
4019
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
97
4470
1522
Factory
Petrozavodsk Winter 2007. D.Gozman Contest
251
1778
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1556
296
1524
Men in Black
Petrozavodsk Winter 2007. D.Gozman Contest
25
13256
1525
Path
Petrozavodsk Winter 2007. D.Gozman Contest
1161
396
1526
Martian Plates
Petrozavodsk Winter 2007. D.Gozman Contest
333
1353
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
388
1166
1528
Sequence
Petrozavodsk Winter 2007. D.Gozman Contest
1719
268
1529
Game of Squares
Petrozavodsk Winter 2007. D.Gozman Contest
114
3742
1530
Ones and Zeroes
Petrozavodsk Winter 2007. D.Gozman Contest
513
887
1531
Zones on a Plane
Petrozavodsk Winter 2007. D.Gozman Contest
314
1432
1552
Brainfuck
Petrozavodsk Summer 2007. NSU Contest
364
1186
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1523
289
1554
Multiplicative Functions
Petrozavodsk Summer 2007. NSU Contest
688
636
1555
Find the Treasure!
Petrozavodsk Summer 2007. NSU Contest
36
9644
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
37
9439
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
236
1803
1558
Periodical Numbers
Petrozavodsk Summer 2007. NSU Contest
506
860
1559
TruCoders Linguistics
Petrozavodsk Summer 2007. NSU Contest
93
4307
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
465
934
1561
Winnie the Pooh
Petrozavodsk Summer 2007. NSU Contest
143
2899
1618
Arrays Printing
Petrozavodsk Winter 2008. ITMO Contest
84
4403
1619
Big Brother
Petrozavodsk Winter 2008. ITMO Contest
575
707
1620
Clever House
Petrozavodsk Winter 2008. ITMO Contest
261
1527
1621
Definite Integral
Petrozavodsk Winter 2008. ITMO Contest
79
4650
1622
Endspiel
Petrozavodsk Winter 2008. ITMO Contest
123
3112
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
121
3159
1624
Go out of here!
Petrozavodsk Winter 2008. ITMO Contest
71
5109
1625
Hankel Matrix
Petrozavodsk Winter 2008. ITMO Contest
389
1037
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
41
8115
1627
Join
Petrozavodsk Winter 2008. ITMO Contest
371
1086
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
51
6606
1661
Dodecahedron
Petrozavodsk Winter 2008. USU Contest
97
3766
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
77
4632
1663
The Hobbit or There and Back Again 2
Petrozavodsk Winter 2008. USU Contest
122
3053
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
195
1966
1665
Dean's Financial Pyramid
Petrozavodsk Winter 2008. USU Contest
915
436
1666
Vasya Ferrari
Petrozavodsk Winter 2008. USU Contest
300
1300
1667
Square Country 3
Petrozavodsk Winter 2008. USU Contest
191
2005
1668
Death Star 2
Petrozavodsk Winter 2008. USU Contest
59
5840
1669
Universal Word
Petrozavodsk Winter 2008. USU Contest
279
1394
1670
Asterisk
Petrozavodsk Summer 2008. USU Contest
206
1857
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3484
115
1672
Droid flies
Petrozavodsk Summer 2008. USU Contest
26
11143
1673
Admission to Exam
Petrozavodsk Summer 2008. USU Contest
304
1278
1674
Drunk King
Petrozavodsk Summer 2008. USU Contest
56
6078
1675
Lunar Code 2
Petrozavodsk Summer 2008. USU Contest
208
1840
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
220
1744
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
246
1567
1678
Space Poker 3
Petrozavodsk Summer 2008. USU Contest
56
6078
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
389
1005
1690
Army of Mages
Petrozavodsk Winter 2009. USU Contest
626
622
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
114
3192
1692
Flags for Provinces
Petrozavodsk Winter 2009. USU Contest
1058
371
1693
Loyd's Problem
Petrozavodsk Winter 2009. USU Contest
25
11308
1694
Killer Words
Petrozavodsk Winter 2009. USU Contest
130
2827
1695
Work for Robots
Petrozavodsk Winter 2009. USU Contest
126
2910
1696
Salary for Robots
Petrozavodsk Winter 2009. USU Contest
439
881
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
61
5574
1698
Square Country 5
Petrozavodsk Winter 2009. USU Contest
614
634
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
356
1081
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1208
303
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
376
957
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
169
2064
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
439
823
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
215
1642
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
264
1348
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1394
263
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
168
2076
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
292
1223
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
90
3695
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1446
254
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
73
4094
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
225
1446
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
111
2808
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
203
1595
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
100
3089
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
66
4471
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
131
2410
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
328
1005
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
160
1999
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
37
7229
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
144
2091
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
38
6708
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
69
4076
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
196
1563
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
60
4600
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2114
152
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
63
4411
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
55
4954
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
121
2458
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
106
2776
1851
GOV-internship
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
180
1692
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
121
2454
1853
Laser Technologies
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
32
7655
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
766
414
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
241
1281
1856
War and Peace
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
74
3828
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
233
1323
1858
Magic Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
76
3739
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
67
4176
1860
Fiborial
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
696
455
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
315
989
1951
Complex Root
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
135
1898
1952
To Kill the Dragon
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
13
11967
1953
Biggest Inscribed Ellipse
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
102
2458
1954
Five Palindromes
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
61
3877
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3059
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
105
2394
1957
Mundial
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
40
5505
1958
Algorithm of Professor Ivanov
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
64
3720
1959
GOV-internship 3
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
251
1055
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
632
429
2036
Intersect Until You're Sick of It
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
134
1662
2037
Richness of binary words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
196
1162
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
84
2546
2039
Striped Square
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
25
6838
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
270
855
2041
Nanomatryoshkas
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
92
2346
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
49
4057
2043
Kirill the Gardener 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
44
4432
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
83
2574
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
511
459
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
84
1436
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
148
854
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team Contest
64
1824
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
187
685
2122
Hamming
Petrozavodsk Summer 2018. umnik_team Contest
18
4821
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team Contest
125
1000
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
94
1298
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team Contest
29
3462
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team Contest
76
1570
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team Contest
26
3750
Solved problems:
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