Package g0301_0400.s0301_remove_invalid_parentheses

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    301 - Remove Invalid Parentheses\.

    Hard

    Given a string s that contains parentheses and letters, remove the minimum number of invalid parentheses to make the input string valid.

    Return all the possible results. You may return the answer in any order.

    Example 1:

    Input: s = "()())()"

    Output: "(())()","()()()"

    Example 2:

    Input: s = "(a)())()"

    Output: "(a())()","(a)()()"

    Example 3:

    Input: s = ")("

    Output: ""

    Constraints:

    • 1 <= s.length <= 25

    • s consists of lowercase English letters and parentheses '(' and ')'.

    • There will be at most 20 parentheses in s.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final List<String> removeInvalidParentheses(String s)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait