## Check if There Is a Valid Parentheses String Path solution leetcode

Check if There Is a Valid Parentheses String Path solution leetcode A parentheses string is a non-empty string consisting only of ‘(‘ and ‘)’. It is valid if any of the following conditions is true: It is (). It can be written as AB (A concatenated with B), where A and B are valid parentheses strings. It can be written as (A), where A is a valid parentheses string. You are given an m x n matrix of parentheses grid. …

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