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小墨
2023-12-09 18:42:21 +08:00
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leetcode/problem/longest-valid-parentheses.html
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<p>Given a string containing just the characters <code>&#39;(&#39;</code> and <code>&#39;)&#39;</code>, find the length of the longest valid (well-formed) parentheses substring.</p>
<p>Given a string containing just the characters <code>&#39;(&#39;</code> and <code>&#39;)&#39;</code>, return <em>the length of the longest valid (well-formed) parentheses </em><span data-keyword="substring-nonempty"><em>substring</em></span>.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong> s = &quot;(()&quot;
@@ -9,7 +9,7 @@
<strong>Explanation:</strong> The longest valid parentheses substring is &quot;()&quot;.
</pre>
<p><strong>Example 2:</strong></p>
<p><strong class="example">Example 2:</strong></p>
<pre>
<strong>Input:</strong> s = &quot;)()())&quot;
@@ -17,7 +17,7 @@
<strong>Explanation:</strong> The longest valid parentheses substring is &quot;()()&quot;.
</pre>
<p><strong>Example 3:</strong></p>
<p><strong class="example">Example 3:</strong></p>
<pre>
<strong>Input:</strong> s = &quot;&quot;