[LC] 22. Generate Parentheses

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[LC] 22. Generate Parentheses

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[Leetcode][Python]22: Generate Parentheses

# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com' 22: Generate Parentheseshttps://oj.leetcode.com/problems/generate-parentheses/ Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.For exa…

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作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛本文关键词:括号, 括号生成,题解,leetcode, 力扣,Python, C++, Java 目录题目描述题目大意解题方法回溯法日期题目地址:https://leetcode.com/problems/generate-parentheses/description/ 题目描述 Given n pairs of parentheses, write…

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【leetcode】22. Generate Parentheses

题目描述: Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. 解题分析: 这类题一般都要用递归的方法来解决.需要设两个集合类分别存储待匹配的(,)的个数. 这里需要明白一点:当待匹配的(的个数永远不小于待匹配的)的个数时只能匹配(,否则会导致错误.(可以自己在纸上试一下就好理解了),其余情况可以考虑匹配( 和)两种情况下可能的结果. 具体代…