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Problem · String

Minimum Remaining Length

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● MediumWells FargoOA

Problem statement

You are given a string seq made up only of the characters 'A' and 'B'.

You may repeatedly perform the following operation:

Delete any occurrence of the substring "AB" or "BB".
After deletion, the remaining parts of the string are concatenated.

Your task is to determine the minimum possible length of the string after performing any number of valid deletions.

Note: A substring refers to a contiguous sequence of characters.

Return the minimum remaining length.

Function

getMinimumRemainingLength(seq: String) → int

Examples

Example 1

seq = "BABBA"return = 1

Problem statement

Function

Examples

Example 1

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