Package g0301_0400.s0301_remove_invalid_parentheses

Class Solution

java.lang.Object

g0301_0400.s0301_remove_invalid_parentheses.Solution

public class Solution
extends Object

301 - Remove Invalid Parentheses.<p>Hard</p> <p>Given a string <code>s</code> that contains parentheses and letters, remove the minimum number of invalid parentheses to make the input string valid.</p> <p>Return <em>all the possible results</em>. You may return the answer in <strong>any order</strong>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> s = &ldquo;()())()&rdquo;</p> <p><strong>Output:</strong> [&ldquo;(())()&rdquo;,&ldquo;()()()&rdquo;]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> s = &ldquo;(a)())()&rdquo;</p> <p><strong>Output:</strong> [&ldquo;(a())()&rdquo;,&ldquo;(a)()()&rdquo;]</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> s = &ldquo;)(&rdquo;</p> <p><strong>Output:</strong> [&quot;&quot;]</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= s.length <= 25</code></li> <li><code>s</code> consists of lowercase English letters and parentheses <code>'('</code> and <code>')'</code>.</li> <li>There will be at most <code>20</code> parentheses in <code>s</code>.</li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
List<String>	removeInvalidParentheses(String s)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

removeInvalidParentheses

public List<String> removeInvalidParentheses(String s)