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Given a string seq consisting of the characters ' A ' and ' B ' only, in one move, you can delete either an
Given a string seq consisting of the characters A and B only, in one move, you can delete either an AB or a BB substring. After a move, the remaining parts of the string get concatenated. Find the minimum possible length of the remaining string after performing any number of moves. Note: A substring is a contiguous subsequence of a string. Example seq "BABBA" Using based indexing, the following moves are optimal. Delete the substring AB starting at index "BABBA" "BBA" Delete the substring BB starting at index "BBA" A
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