数据第一行一个整数n，第二行n个整数x1~xn。</div>
<div>t=5，n&lt;=25</div>
<p></p></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输出格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><div>每组数据输出一行一个整数表示答案。</div>
<p></p></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached