ent><span class=sampledata>9</span></div></code></pre></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">数据范围与提示</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;">
			<div class=content><p><p>1&lt;=n&lt;=10000，每个字符串非空且长度不超过30，均为小写字母组成。</p><br />
<p></p></p></div></div></div></div></div></div></div><div class="ui vertical footer segm