generate-parentheses

java

python

python3

mysql

mssql

oraclesql

csharp

javascript

typescript

bash

swift

kotlin

dart

golang

ruby

scala

rust

racket

erlang

elixir

pythondata

postgresql

cangjie

Algorithms

Given <code>n</code> pairs of parentheses, write a function to generate all combinations of well-formed parentheses.

&nbsp;
Example 1:
<pre>Input: n = 3
Output: ["((()))","(()())","(())()","()(())","()()()"]
</pre>Example 2:
<pre>Input: n = 1
Output: ["()"]
</pre>
&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= n &lt;= 8</code></li>
</ul>

generateParenthesis

Generate Parentheses

Letter Combinations of a Phone Number

letter-combinations-of-a-phone-number

电话号码的字母组合

Valid Parentheses

valid-parentheses

有效的括号

Check if a Parentheses String Can Be Valid

check-if-a-parentheses-string-can-be-valid

判断一个括号字符串是否有效

String

Dynamic Programming

Backtracking

数字 <code>n</code>&nbsp;代表生成括号的对数，请你设计一个函数，用于能够生成所有可能的并且 有效的 括号组合。

&nbsp;

示例 1：

<pre>
输入：n = 3
输出：["((()))","(()())","(())()","()(())","()()()"]
</pre>

示例 2：

<pre>
输入：n = 1
输出：["()"]
</pre>

&nbsp;

提示：

<ul>
	<li><code>1 &lt;= n &lt;= 8</code></li>
</ul>