原文:[LeetCode] 1021. Remove Outermost Parentheses 去除最外层括号

A valid parentheses string is either empty , A , orA B, whereAandBare valid parentheses strings, and represents string concatenation. For example, , , , and are all valid parentheses strings. A valid ...

2021-02-08 02:19 0 317 推荐指数:

查看详情

[Leetcode] generate parentheses 生成括号

Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()" ...

Thu Jul 13 19:08:00 CST 2017 0 2644
LeetCode 22. 括号生成(Generate Parentheses

题目描述 给出 n 代表生成括号的对数,请你写出一个函数,使其能够生成所有可能的并且有效的括号组合。 例如,给出 n =3,生成结果为: 解题思路 利用回溯的思想递归的生成括号。具体来说记录当前剩余左括号数left,剩余右括号数right,当前 ...

Sun May 27 01:48:00 CST 2018 3 816
 
粤ICP备18138465号  © 2018-2025 CODEPRJ.COM