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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
2833
176
1158
Censored!
NEERC 2001 Northern Subregional
986
506
1177
Like Comparisons
USU Personal Contest 2002
393
1254
1269
Obscene Words Filter
USU Championship 2003
599
847
1297
Palindrome
Spring School Contest 2004
6304
82
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3766
139
1393
Average Common Prefix
441
1155
1423
String Tale
Timus Top Coders: First Challenge
2981
171
1486
Equal Squares
USU Championship 2006
769
628
1517
Freedom of Choice
Timus Top Coders: Third Challenge
1972
244
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2411
187
1677
Monkey at the Keyboard
Petrozavodsk Summer 2008. USU Contest
249
1604
1684
Jack's Last Word
USU Personal Contest 2009
1542
265
1706
Cipher Message 2
Ural Championship 2009
594
676
1713
Key Substrings
NEERC 2009 Eastern Subregional
612
632
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6321
62
1732
Ministry of Truth
USU Championship 2009
846
457
1799
Sasha and swag strings
36
5147
1835
Swamp Doctor
Ural Championship 2011
99
3199
1842
Local Roots
Petrozavodsk Summer 2010. USU Contest
46
6037
1937
Davy Jones’s Organ
Ural FU Championship 2012
244
1211
1954
Five Palindromes
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
67
3798
1960
Palindromes and Super Abilities
Petrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection
662
435
2040
Palindromes and Super Abilities 2
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
287
867
2044
31 Palindromes
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
89
2600
2045
Richness of words
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
542
466
2057
Non-palidromic cutting
Palindromic Contest
55
3720
2058
100500 palidnromes
Palindromic Contest
126
1778
2059
Not common palindromes
Palindromic Contest
149
1521
2060
Subpalindrome pairs
Palindromic Contest
358
657
2061
OEIS A216264
Palindromic Contest
57
3609
2077
Reductions
Qualification of Eastern Subregional 2015
19
7843
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
93
1510
2131
Open Cup
Later is better than never
15
6043
2137
Dynamic string complexity
Later is better than never
13
6568
2168
Runes in the Field
Ural School Programming Contest 2022
10
3536
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
14
1775
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
8
2374
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