"""Leetcode 301. Remove Invalid Parentheses
Hard

URL: https://leetcode.com/problems/remove-invalid-parentheses/

Remove the minimum number of invalid parentheses in order to make the input string
valid. Return all possible results.

Note: The input string may contain letters other than the parentheses ( and ).

Example 1:
Input: "()())()"
Output: ["()()()", "(())()"]

Example 2:
Input: "(a)())()"
Output: ["(a)()()", "(a())()"]

Example 3:
Input: ")("
Output: [""]
"""

class Solution(object):
    def removeInvalidParentheses(self, s):
        """
        :type s: str
        :rtype: List[str]
        """
        pass


def main():
    pass


if __name__ == '__main__':
    main()

Add lc0301_remove_invalid_parentheses.py