How to Solve Remove Invalid Parentheses Problem
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Remove Invalid Parentheses
Given a string s that contains parentheses and letters, remove the minimum number of invalid parentheses to make the input string valid. Return a list of unique strings that are valid with the minimum...
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Understanding the Remove Invalid Parentheses Problem
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Problem Statement
Given a string s that contains parentheses and letters, remove the minimum number of invalid parentheses to make the input string valid. Return a list of unique strings that are valid with the minimum number of removals. You may return the answer in any order.
Remove Invalid Parentheses
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Examples
s = "()())()"["(())()","()()()"]s = "(a)())()"["(a())()","(a)()()"]s = ")("[""]Constraints
1 <= s.length <= 25s consists of lowercase English letters and parentheses '(' and ')'.There will be at most 20 parentheses in s.How Interview Coder Helps with Leetcode Problems
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