elative; overflow: hidden;"><h4>样例输入</h4><div class="ui existing segment"><pre style="margin-top:0; margin-bottom:0;"><code class="lang-plain">
			<div class=content><span class=sampledata>15<br />
1<br />
2<br />
1<br />
4<br />
4<br />
6<br />
7<br />
5<br />
9<br />
9<br />
11<br />
12<br />
13<br />
14<br />
(<br />
)<br />
)<br />
(<br />
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)<br />
(<br />
)<br />
(<br />
(<br />
(<br />
)<br />
)<br />
)<br />
(<br />
</span></div></code></pre></div><h4>样�