="lang-plain">
			<div class=content><span class=sampledata>4</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 class=content><p>数据范围  <br />
   30%的测试数据, n<=1000.<br />
   100%的测试数据, n<=1000000.<br />
   ai>=0, 保证ai在longint/int范围内, ai的总和在