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Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Сложность Альфа
You are given a DNA sequence: a string consisting of characters A, C, G, and T. Your task is to find the longest repetition in the sequence.
This is a maximum-length substring containing only one type of character.
Input
The only input line contains a string of n characters.
Output
Print one integer: the length of the longest repetition.
Constraints
1≤n≤106
Example
Input:
ATTCGGGA
Output:
3
Для отправки решений необходимо выполнить вход.
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