Leetcode Problem 2696. Minimum String Length After Removing Substrings

2696. Minimum String Length After Removing Substrings

Leetcode Solutions

Use Stack to Remove Substrings

  1. Initialize an empty stack.
  2. Iterate through each character in the string.
  3. If the current character is 'B' and the stack is not empty and the top of the stack is 'A', pop the stack.
  4. If the current character is 'D' and the stack is not empty and the top of the stack is 'C', pop the stack.
  5. If neither condition is met, push the current character onto the stack.
  6. Continue until all characters have been processed.
  7. The size of the stack represents the minimum possible length of the resulting string.
UML Thumbnail

Replace Substrings Iteratively

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