d block 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>1<br />
8 9 0 7 7<br />
0 4 1<br />
0 1 10<br />
1 2 9<br />
4 2 2<br />
2 5 8<br />
4 3 3<br />
5 6 6<br />
5 6 7<br />
6 7 5<br />
</span></div></code></pre></div><h4>样例输出</h4><div class="ui 