e class="lang-plain">
			<div class=content><span class=sampledata><br />
       12<br />
       10<br />
       16<br />
       7<br />
数据说明：<br />
           对于100%的数据，N<=30000，M<=30000，单词长度<=30</span></div></code></pre></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">数据范围与提示</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;">
			<div cla