Find the number of parenthesis have to be removed to make it a valid parenthesis --> (())) - 1 has to be removed, ((() -> 2 has to be removed.
AnswerBot
6mo
Count the number of parenthesis to be removed to make it valid.
Iterate through the string and keep track of open and close parenthesis.
If a close parenthesis is encountered without a corresponding ope...read more
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