iv class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><p>给出N个点，让你画一个最小的包含所有点的圆。</p></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输入格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><p>先给出点的个数N,2&lt;=N&lt;=100000，再给出坐标Xi,Yi.(-10000.0&lt;=xi,yi&lt;=10000