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Problems

Strings
Difficulty
Sort by
5142
Number by permutation of letters
Medium
5197
Fibonacci Numbers
Medium
5210
Bacon's Cipher
Very easy
5225
Work
Very easy
5247
Simple Rows (Easy)
5248
Simple lines
Medium
5249
Two Lines (Easy)
Easy
5250
Two lines
Very hard
5286
Spell
Very hard
5289
Nenokku (Easy)
Very easy
5290
Substring (Easy)
Very easy
5302
Cyclic Shifts
Medium
5382
Fatigue and Patience
Very easy
5408
Program for Psychological Research of Programmers
Easy
5439
Lyndon's Words
Easy
5452
Artokhlam
Easy
5535
Lines
Easy
5598
String Transformations
5617
GOV-internship 3
Medium
5618
Palindromes and Super Abilities
Very easy
5672
Martians` DNA Analysis
5908
Dictionary search
Hard
5909
Строки Фибоначчи
Medium
5912
Suffix Game
Easy
5915
Vertices of the implicit suffix tree
Easy
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