ttached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><div>第一行包含两个数T和n，T是数据组数，n如题目描述。</div>
<div>接下来T行，每行包含3*n个数，表示xi。</div></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>输出包含T�