Solution: Valid Parentheses
Explore how to validate balanced parentheses in a string by using a stack. Learn to push opening parentheses and match them with closing ones, ensuring correct order and pairing for reliable string validation.
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Statement
Given a string, exp, which may consist of opening and closing parentheses. Your task is to check whether or not the string contains valid parenthesization.
The conditions to validate are as follows:
Every opening parenthesis should be closed by the same kind of parenthesis. Therefore,
{)and[(])strings are invalid.Every opening parenthesis must be closed in the correct order. Therefore,
)(and()(()are invalid.
Constraints:
exp.length...