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Problem set. String Algorithms Problems
Solved problems:
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ID
Title
Source
Authors
Difficulty
1102
Strange Dialog
Tetrahedron Team Online Contest May 2001
2871
176
1158
Censored!
NEERC 2001 Northern Subregional
1013
500
1177
Like Comparisons
USU Personal Contest 2002
407
1231
1269
Obscene Words Filter
USU Championship 2003
615
837
1297
Palindrome
Spring School Contest 2004
6384
82
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3823
138
1393
Average Common Prefix
449
1151
1423
String Tale
Timus Top Coders: First Challenge
3047
170
1486
Equal Squares
USU Championship 2006
790
622
1517
Freedom of Choice
Timus Top Coders: Third Challenge
2034
240
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2469
186
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
265
1543
1684
Jack's Last Word
USU Personal Contest 2009
1568
266
1706
Cipher Message 2
Ural Championship 2009
609
674
1713
Key Substrings
NEERC 2009 Eastern Subregional
625
633
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6418
62
1732
Ministry of Truth
USU Championship 2009
706
559
1799
Sasha and swag strings
47
4360
1835
Swamp Doctor
Ural Championship 2011
105
3119
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
52
5618
1937
Davy Jones’s Organ
Ural FU Championship 2012
252
1215
1954
Five Palindromes
Petrozavodsk Winter 2013. Ural FU Contest
77
3487
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Ural FU Contest
688
435
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Contest
302
862
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Contest
100
2444
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Contest
552
478
2057
Non-palidromic cutting
Palindromic Contest
66
3336
2058
100500 palidnromes
Palindromic Contest
141
1679
2059
Not common palindromes
Palindromic Contest
159
1500
2060
Subpalindrome pairs
Palindromic Contest
380
650
2061
OEIS A216264
Palindromic Contest
68
3250
2077
Reductions
NEERC 2015 Eastern Subregional Qualifier
28
6299
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team contest
113
1370
2131
Open Cup
Later is better than never
27
4437
2137
Dynamic string complexity
Later is better than never
26
4560
2168
Runes in the Field
Ural School Programming Contest 2022
18
3037
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
30
1433
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
25
1642
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