bcheung98 / balancing-parentheses

algorithms and data structures

Bonus 1: Balancing Parentheses

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For parentheses to be considered balanced, there must an opening parenthesis followed by a matching closing parenthesis. Given a string containing only parentheses, return the number of additional parentheses needed for the string to be considered balanced. The input string will have a minimum length of 1.

Input: '(()())'
Output: 0

Input: '()))'
Output: 2

Input: ')'
Output: 1

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