Leetcode Problem 1021. Remove Outermost Parentheses

1021. Remove Outermost Parentheses

Leetcode Solutions

Counting Open Parentheses

Initialize an empty string result to store the final output.
Initialize a counter opened to 0 to keep track of the balance of parentheses.
Iterate through each character c in the input string s.
- If c is an opening parenthesis (:
  - Increment the opened counter.
  - If opened is greater than 1, append c to result.
- If c is a closing parenthesis ):
  - Decrement the opened counter.
  - If opened is greater than 0, append c to result.
Return the result string.

Using a Stack to Track Parentheses

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