��i头牛能到ans个花。</div>
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<p></p></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached 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>4<br />
2 2 8 4<br />
1 9 4 10<br />
6 7 9 9<br