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Problems

Strings
Difficulty
Sort by
4526
Ichthyology
Medium
4595
Cutting
Very easy
4610
Reduction
Very easy
4656
Suffix tree
Very hard
4657
Suffix tree of two strings
Very hard
4658
Unique suffixes
Very hard
4667
SETI
4669
Search in the row
Very easy
4670
Periods of Words
Easy
4671
Substring
4674
Interesting language
Hard
4675
Almost prefix-free codes
Easy
4683
Search for a line
Easy
4726
First and last appearance
Very easy
4728
Palindrome Search
Very easy
4734
Is it divisible by 3, 6 and 9?
Very easy
4801
Palindromes 2
Medium
4843
Equal substrings
Very easy
4844
Finding a Common Substring
Very easy
4845
Maximum Common Substring
Easy
4859
Boring lecture
Easy
4899
Fortune Telling with Words
Easy
4905
Hash function Dalla
Medium
4906
String Function Transformations
Very easy
4907
Transformation of String Functions: Inverse Problem
Medium
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