Solution: Minimum String Length After Removing Substrings
Explore how to apply stack data structure techniques to iteratively remove AB and CD substrings from a given string. Understand the step-by-step algorithm that ensures efficient string manipulation with O(n) time complexity while calculating the shortest string length after all possible removals.
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Statement
You are given a string, s, containing only uppercase English letters. You can perform operations on this string where, in each operation, you remove any occurrence of the substrings "AB" or "CD" from s.
Your task is to return the shortest string length after applying all possible operations.
Note: After each removal, the string joins back together, potentially creating new occurrences of "AB" or "CD" that can also be removed.
Constraints:
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