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: ["()()…

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 ). Examples: "()())()" -> ["()()()",…

原题链接在这里:https://leetcode.com/problems/remove-invalid-parentheses/ 题目: 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 par…

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: ["()()(…

删除最小数目的无效括号,使输入的字符串有效,返回所有可能的结果.注意: 输入可能包含了除 ( 和 ) 以外的元素.示例 :"()())()" -> ["()()()", "(())()"]"(a)())()" -> ["(a)()()", "(a())()"]")(" -> [""]详见:https://leetcode.com/…

题目: 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 ). Examples: "()())()" -> ["()()()&quo…

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: ["()()…

［抄题］: 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: [&quo…

题目如下: 解题思路:还是这点经验,对于需要输出整个结果集的题目,对性能要求都不会太高.括号问题的解法也很简单,从头开始遍历输入字符串并对左右括号进行计数,其中出现右括号数量大于左括号数量的情况,表示这个区间是不合法的,需要删掉一个右括号:遍历完成后,如果左括号数量大于右括号的数量,那么需要删除左括号,直至两者相等. 代码如下: class Solution(object): def removeInvalidParentheses(self, s): """ :type s…

Leetcode之深度优先搜索(DFS)专题-301. 删除无效的括号(Remove Invalid Parentheses) 删除最小数量的无效括号,使得输入的字符串有效,返回所有可能的结果. 说明: 输入可能包含了除 ( 和 ) 以外的字符. 示例 1: 输入: "()())()" 输出: ["()()()", "(())()"] 示例 2: 输入: "(a)())()" 输出: ["(a)()()",…