678. Valid Parenthesis String | LeetCode Solution | Java Solution with Time and Space Complexity

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This is the most frequently asked interview question.
And has been asked in many top product based companies like #amazon, #microsoft etc.

#amazon #microsoft
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Hi Shrayansh, you choose really good questions. Can u please tell me how do you choose them

antrapurohit
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for 2nd solution

eg. " )(* "
expected ans - False
as per soln - True


i think second solution is not valid

preetnandeshwar