</h4><div class="ui existing segment"><pre style="margin-top:0; margin-bottom:0;"><code class="lang-plain">
			<div class=content><span class=sampledata>6<br />
1 1<br />
2 2<br />
3 1<br />
5 1<br />
6 1<br />
8 3<br />
</span></div></code></pre></div><h4>样例输出</h4><div class="ui existing segment"><pre style="margin-top:0; margin-bottom:0;"><code class="lang-plain">
			<div class=content><span class=sampledata>2<br />
<br />
<br />
Explanation<br />
              |<br />
  |           |<