Question: https://leetcode.com/problems/valid-parentheses/
Follow-up:
What if we add single quotations marks?
Example 1:
Input: {’}’
Output: false
Explanation: Because we only have 1 quotation after bracket.
Example 2:
Input: {’’}
Output: true
Explanation: Dont have any quotation after bracket.
Example 3:
Input: {’’}’’
Output: true
Explanation: number of quotation % 2 == 0
My solution: Make a counter after the closed bracket and count it