le="margin: 0cm 0cm 0pt 39pt; text-indent: -18pt"><span style="font-size: medium">●<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>读入p、q和车箱总数n；</span></div>
<div style="margin: 0cm 0cm 0pt 39pt; text-indent: -18pt"><span style="font-size: medium">●<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>生成一个正确的放置方案；</span></div>
<div style="margin: 0cm 0cm 0pt 39pt; text-indent: -18