block header">输入格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><div style="text-indent: 26.25pt; line-height: 150%"><span>&nbsp;</span><span style="font-size: 12pt; line-height: 150%">每个输入文件中仅包含一个测试数据。</span></div>
<div style="text-indent: 30pt; line-height: 150%"><span style="font-size: 12pt; line-height: 150%">第一行包含两个由空格隔开的正整数</span><span style="font