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: [""]
转载于:https://www.cnblogs.com/liuliu5151/p/9808254.html
相关资源：数据结构—成绩单生成器
