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Problems

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Difficulty
Sort by
8692
Tidy Numbers
Easy
8720
Magic
8746
Elections
Hard
8921
Digits of the number
8993
Compose a word
Very easy
9069
Game in strings
Easy
9110
Related Languages
Easy
9531
Complex numbers: addition and subtraction
Hard
9544
String operations
Easy
9594
ABA
Very easy
9596
Word Processor
Easy
9696
Dishonest Driver
9759
ABB
Medium
9767
Ponk Warshall
Very easy
9792
Omar plays a game
Very easy
10078
T6. Less often than others
Very easy
10199
Bad troubles at ACM ICPC
Very easy
10285
Where Am I?
Very easy
10360
Cool substring
Medium
10465
Subsequence
Medium
10501
Mr. A and Palindromes
Easy
10527
Bovine Genomics (Gold)
10767
Паліндромна лихоманка
10801
Sum of digits
Very easy
10825
Another ICPC String Problem
Very hard
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