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add leetcode problem-cn part3

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2022-03-27 20:46:41 +08:00
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算法题（国内版）/problem (Chinese)/括号的分数 [score-of-parentheses].html Normal file
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<p>给定一个平衡括号字符串&nbsp;<code>S</code>，按下述规则计算该字符串的分数：</p>
<ul>
<li><code>()</code> 得 1 分。</li>
<li><code>AB</code> 得&nbsp;<code>A + B</code>&nbsp;分，其中 A 和 B 是平衡括号字符串。</li>
<li><code>(A)</code> 得&nbsp;<code>2 * A</code>&nbsp;分，其中 A 是平衡括号字符串。</li>
</ul>
<p>&nbsp;</p>
<p><strong>示例 1：</strong></p>
<pre><strong>输入： </strong>&quot;()&quot;
<strong>输出： </strong>1
</pre>
<p><strong>示例 2：</strong></p>
<pre><strong>输入： </strong>&quot;(())&quot;
<strong>输出： </strong>2
</pre>
<p><strong>示例&nbsp;3：</strong></p>
<pre><strong>输入： </strong>&quot;()()&quot;
<strong>输出： </strong>2
</pre>
<p><strong>示例&nbsp;4：</strong></p>
<pre><strong>输入： </strong>&quot;(()(()))&quot;
<strong>输出： </strong>6
</pre>
<p>&nbsp;</p>
<p><strong>提示：</strong></p>
<ol>
<li><code>S</code>&nbsp;是平衡括号字符串，且只含有&nbsp;<code>(</code>&nbsp;和&nbsp;<code>)</code>&nbsp;。</li>
<li><code>2 &lt;= S.length &lt;= 50</code></li>
</ol>