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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
1671
Anansi's Cobweb
Petrozavodsk Summer 2008. USU Contest
3706
111
1471
Distance in the Tree
Petrozavodsk Summer 2006. Ural+Orel Contest
2952
165
1846
GCD 2010
Petrozavodsk Summer 2010. USU Contest
2181
152
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2118
245
1470
UFOs
Petrozavodsk Summer 2006. Ural+Orel Contest
1924
252
1528
Sequence
Petrozavodsk Winter 2007. D.Gozman Contest
1738
271
1523
K-inversions
Petrozavodsk Winter 2007. D.Gozman Contest
1586
297
1553
Caves and Tunnels
Petrozavodsk Summer 2007. NSU Contest
1572
287
1752
Tree 2
Petrozavodsk Summer 2009. Ufa SATU Contest
1478
256
1748
The Most Complex Number
Petrozavodsk Summer 2009. Ufa SATU Contest
1421
266
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1227
308
1525
Path
Petrozavodsk Winter 2007. D.Gozman Contest
1214
387
1692
Flags for Provinces
Petrozavodsk Winter 2009. USU Contest
1071
376
1465
Pawn Game
Petrozavodsk Winter 2006. USU Contest
991
491
1665
Dean's Financial Pyramid
Petrozavodsk Winter 2008. USU Contest
937
437
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
927
557
1463
Happiness to People!
Petrozavodsk Winter 2006. USU Contest
808
601
1854
Negotiations with Parthians
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
788
418
1860
Fiborial
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
715
460
1554
Multiplicative Functions
Petrozavodsk Summer 2007. NSU Contest
696
642
1474
About Frogs
Petrozavodsk Summer 2006. Ural+Orel Contest
667
720
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
655
433
1690
Army of Mages
Petrozavodsk Winter 2009. USU Contest
631
634
1698
Square Country 5
Petrozavodsk Winter 2009. USU Contest
629
636
1619
Big Brother
Petrozavodsk Winter 2008. ITMO Contest
581
718
1462
Uncle Scrooge's Gold
Petrozavodsk Winter 2006. USU Contest
575
840
1468
Fraction
Petrozavodsk Summer 2006. Ural+Orel Contest
568
843
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
531
467
1530
Ones and Zeroes
Petrozavodsk Winter 2007. D.Gozman Contest
520
893
1558
Periodical Numbers
Petrozavodsk Summer 2007. NSU Contest
512
869
1469
No Smoking!
Petrozavodsk Summer 2006. Ural+Orel Contest
511
936
1461
Christmas Garland
Petrozavodsk Winter 2006. USU Contest
477
1010
1560
Elementary Symmetric Functions
Petrozavodsk Summer 2007. NSU Contest
477
931
1696
Salary for Robots
Petrozavodsk Winter 2009. USU Contest
453
878
1745
Yet Another Answer
Petrozavodsk Summer 2009. Ufa SATU Contest
453
822
1472
Martian Army
Petrozavodsk Summer 2006. Ural+Orel Contest
443
1076
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
440
1160
1625
Hankel Matrix
Petrozavodsk Winter 2008. ITMO Contest
399
1037
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
394
1172
1679
Scrooge's Tower
Petrozavodsk Summer 2008. USU Contest
392
1024
1467
Sum of Degrees
Petrozavodsk Winter 2006. USU Contest
391
1226
1743
Domino Sorting
Petrozavodsk Summer 2009. Ufa SATU Contest
379
978
1627
Join
Petrozavodsk Winter 2008. ITMO Contest
377
1096
1552
Brainfuck
Petrozavodsk Summer 2007. NSU Contest
372
1187
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
367
1385
1476
Lunar Code
Petrozavodsk Summer 2006. Ural+Orel Contest
367
1293
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
363
1089
1526
Martian Plates
Petrozavodsk Winter 2007. D.Gozman Contest
337
1364
1817
Merry-go-round
Petrozavodsk Summer 2010. Tavrida NU Contest
336
1016
1673
Admission to Exam
Petrozavodsk Summer 2008. USU Contest
321
1244
1861
Graveyard in Deyja
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
320
1010
1531
Zones on a Plane
Petrozavodsk Winter 2007. D.Gozman Contest
318
1443
1666
Vasya Ferrari
Petrozavodsk Winter 2008. USU Contest
308
1300
1750
Pakhom and the Gully
Petrozavodsk Summer 2009. Ufa SATU Contest
293
1256
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
289
1746
1669
Universal Word
Petrozavodsk Winter 2008. USU Contest
289
1383
1459
Archer's Travel
Petrozavodsk Winter 2006. USU Contest
282
1684
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
279
874
1747
Kingdom Inspection
Petrozavodsk Summer 2009. Ufa SATU Contest
268
1369
1620
Clever House
Petrozavodsk Winter 2008. ITMO Contest
263
1554
1959
GOV-internship 3
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
258
1075
1522
Factory
Petrozavodsk Winter 2007. D.Gozman Contest
256
1780
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
248
1596
1855
Trade Guilds of Erathia
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
246
1303
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
244
1785
1857
Alice and Bandersnatch
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
235
1361
1811
Dual-SIM Phone
Petrozavodsk Summer 2010. Tavrida NU Contest
234
1440
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
228
1730
1746
Hyperrook
Petrozavodsk Summer 2009. Ufa SATU Contest
217
1676
1667
Square Country 3
Petrozavodsk Winter 2008. USU Contest
210
1879
1675
Lunar Code 2
Petrozavodsk Summer 2008. USU Contest
210
1871
1670
Asterisk
Petrozavodsk Summer 2008. USU Contest
208
1888
1813
Random Shuffler
Petrozavodsk Summer 2010. Tavrida NU Contest
208
1612
1844
Warlord of the Army of Mages
Petrozavodsk Summer 2010. USU Contest
204
1560
2037
Richness of binary words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
203
1186
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
199
1978
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
199
719
1851
GOV-internship
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
181
1746
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
177
803
1749
Periodic Sum
Petrozavodsk Summer 2009. Ufa SATU Contest
171
2102
1744
The Captain's Squad
Petrozavodsk Summer 2009. Ufa SATU Contest
170
2114
1818
Fair Fishermen
Petrozavodsk Summer 2010. Tavrida NU Contest
166
1996
1464
Light
Petrozavodsk Winter 2006. USU Contest
159
2909
1477
Airplanes
Petrozavodsk Summer 2006. Ural+Orel Contest
151
3028
1561
Winnie the Pooh
Petrozavodsk Summer 2007. NSU Contest
146
2906
1841
Cableways
Petrozavodsk Summer 2010. USU Contest
144
2168
1466
Magic Square
Petrozavodsk Winter 2006. USU Contest
141
3256
1951
Complex Root
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
140
1920
2036
Intersect Until You're Sick of It
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
138
1707
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3551
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team Contest
137
1022
1816
Troubles with Pollard
Petrozavodsk Summer 2010. Tavrida NU Contest
135
2423
1694
Killer Words
Petrozavodsk Winter 2009. USU Contest
131
2882
1695
Work for Robots
Petrozavodsk Winter 2009. USU Contest
131
2882
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
125
3142
1622
Endspiel
Petrozavodsk Winter 2008. ITMO Contest
123
3189
1849
Rabbit Hunt 2
Petrozavodsk Summer 2010. USU Contest
123
2510
1663
The Hobbit or There and Back Again 2
Petrozavodsk Winter 2008. USU Contest
122
3132
1852
Cube in a Cube in a Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
121
2545
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
118
3175
1475
Ryaba Hen
Petrozavodsk Summer 2006. Ural+Orel Contest
116
3869
1529
Game of Squares
Petrozavodsk Winter 2007. D.Gozman Contest
115
3787
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
114
4210
1812
The Island of Bad Luck 2
Petrozavodsk Summer 2010. Tavrida NU Contest
112
2880
1850
Space Tourism
Petrozavodsk Summer 2010. USU Contest
110
2782
2041
Nanomatryoshkas
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
110
2106
1478
Spy Satellites
Petrozavodsk Summer 2006. Ural+Orel Contest
109
4096
1956
Fire Signals
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
109
2420
1460
Wires
Petrozavodsk Winter 2006. USU Contest
106
4238
1814
Continued Fraction
Petrozavodsk Summer 2010. Tavrida NU Contest
105
3055
1953
Biggest Inscribed Ellipse
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
103
2549
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
101
1353
1661
Dodecahedron
Petrozavodsk Winter 2008. USU Contest
99
3793
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
98
4514
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
94
5020
1559
TruCoders Linguistics
Petrozavodsk Summer 2007. NSU Contest
94
4359
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
94
2430
1751
Improbability Theory
Petrozavodsk Summer 2009. Ufa SATU Contest
91
3768
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
91
1487
1621
Definite Integral
Petrozavodsk Winter 2008. ITMO Contest
86
4418
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
86
2632
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5495
1618
Arrays Printing
Petrozavodsk Winter 2008. ITMO Contest
85
4465
1473
Farm 2
Petrozavodsk Summer 2006. Ural+Orel Contest
81
5357
1662
Goat in the Garden 6
Petrozavodsk Winter 2008. USU Contest
80
4594
1955
Boss, I Can See You!
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
80
3200
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team Contest
80
1669
1856
War and Peace
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
76
3877
1858
Magic Cube
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
76
3877
1810
Antiequations
Petrozavodsk Summer 2010. Tavrida NU Contest
73
4233
1624
Go out of here!
Petrozavodsk Winter 2008. ITMO Contest
72
5172
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team Contest
70
1877
1815
Farm in San Andreas
Petrozavodsk Summer 2010. Tavrida NU Contest
69
4448
1843
Cutting a Parallelepiped
Petrozavodsk Summer 2010. USU Contest
69
4226
1859
Last Season of Team.GOV
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
69
4221
1678
Space Poker 3
Petrozavodsk Summer 2008. USU Contest
67
5346
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
66
4393
1954
Five Palindromes
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
65
3840
1958
Algorithm of Professor Ivanov
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
65
3840
1697
Sniper Shot
Petrozavodsk Winter 2009. USU Contest
63
5567
1848
Fly Hunt
Petrozavodsk Summer 2010. USU Contest
63
4574
1845
Integer-valued Complex Determinant
Petrozavodsk Summer 2010. USU Contest
62
4637
1668
Death Star 2
Petrozavodsk Winter 2008. USU Contest
60
5906
2042
Nikita
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
57
3771
1674
Drunk King
Petrozavodsk Summer 2008. USU Contest
56
6237
1660
The Island of Bad Luck
Petrozavodsk Winter 2008. USU Contest
53
6563
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9492
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
45
6071
2043
Kirill the Gardener 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
45
4594
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9850
1626
Interfering Segment
Petrozavodsk Winter 2008. ITMO Contest
43
8003
1957
Mundial
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
41
5647
1555
Find the Treasure!
Petrozavodsk Summer 2007. NSU Contest
39
9253
1556
Multishot in the Secret Cow Level
Petrozavodsk Summer 2007. NSU Contest
38
9445
1819
Professional Approach
Petrozavodsk Summer 2010. Tavrida NU Contest
38
7320
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team Contest
35
3337
1853
Laser Technologies
Petrozavodsk Summer 2011. Ural SU Team.GOV Contest
34
7578
2039
Striped Square
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
30
6317
1693
Loyd's Problem
Petrozavodsk Winter 2009. USU Contest
28
10694
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team Contest
28
3952
1524
Men in Black
Petrozavodsk Winter 2007. D.Gozman Contest
26
13149
1672
Droid flies
Petrozavodsk Summer 2008. USU Contest
26
11435
2122
Hamming
Petrozavodsk Summer 2018. umnik_team Contest
23
4551
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
22
16314
1952
To Kill the Dragon
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
15
11518
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