ock header">样例</h4><div class="ui bottom attached segment font-content"><div style="position: relative; 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>8  3<br />
2  0<br />
3  1<br />
4  1<br />
1  0<br />
5  0<br />
6  1<br />
7  1<br />
8  0<br />
</span></div></code></pre></div><h4>样例输出</h4><div class="ui existing segment"><pre style="margin-top