不当老大

<p><style type="text/css">#toc, .toc, .mw-warning { border: 1px solid rgb(170, 170, 170); background-color: rgb(249, 249, 249); padding: 5px; font-size: 95%; }#toc h2, .toc h2 { display: inline; border: medium none; padding: 0pt; font-size: 100%; font-weight: bold; }#toc #toctitle, .toc #toctitle, #toc .toctitle, .toc .toctitle { text-align: center; }#toc ul, .toc ul { list-style-type: none; list-style-image: none; margin-left: 0pt; padding-left: 0pt; text-align: left; }#toc ul ul, .toc ul ul { margin: 0pt 0pt 0pt 2em; }#toc .toctoggle, .toc .toctoggle { font-size: 94%; }body { font-family: '宋体'; font-size: 10pt; text-align: justify; }table { }td { border-collapse: collapse; text-align: left; vertical-align: top; }p, h1, h2, h3, li { font-family: '宋体'; font-size: 10pt; text-align: justify; }</style> <div> <p style="text-align: justify; margin-bottom: 8pt; margin-top: 8pt;" dir="ltr"><span lang="zh-CN" style="font-family: '文泉驿等宽微米黑';">&ldquo;当老大有什么意思！&rdquo;小明如是想。于是他把班级里的同学按年龄排序，最为推崇第二大的同学了！然而，他也很推崇倒数第二大的同学。请问这两个同学相差多少岁？</span></p> </div> </p>

<p><style type="text/css">#toc, .toc, .mw-warning { border: 1px solid rgb(170, 170, 170); background-color: rgb(249, 249, 249); padding: 5px; font-size: 95%; }#toc h2, .toc h2 { display: inline; border: medium none; padding: 0pt; font-size: 100%; font-weight: bold; }#toc #toctitle, .toc #toctitle, #toc .toctitle, .toc .toctitle { text-align: center; }#toc ul, .toc ul { list-style-type: none; list-style-image: none; margin-left: 0pt; padding-left: 0pt; text-align: left; }#toc ul ul, .toc ul ul { margin: 0pt 0pt 0pt 2em; }#toc .toctoggle, .toc .toctoggle { font-size: 94%; }body { font-family: '宋体'; font-size: 10pt; text-align: justify; }table { }td { border-collapse: collapse; text-align: left; vertical-align: top; }</style> <div> <p><span lang="zh-CN" style="font-family: '文泉驿等宽微米黑';">第一行是数据的组数 nCase (n&lt;=5)，每组测试数据的第一行是一个整数 n（n&gt;=2） ，表示班级里有 n 位同学。以下是 n 位同学的年龄。</span></p> </div> </p>

<p><style type="text/css">#toc, .toc, .mw-warning { border: 1px solid rgb(170, 170, 170); background-color: rgb(249, 249, 249); padding: 5px; font-size: 95%; }#toc h2, .toc h2 { display: inline; border: medium none; padding: 0pt; font-size: 100%; font-weight: bold; }#toc #toctitle, .toc #toctitle, #toc .toctitle, .toc .toctitle { text-align: center; }#toc ul, .toc ul { list-style-type: none; list-style-image: none; margin-left: 0pt; padding-left: 0pt; text-align: left; }#toc ul ul, .toc ul ul { margin: 0pt 0pt 0pt 2em; }#toc .toctoggle, .toc .toctoggle { font-size: 94%; }body { font-family: '宋体'; font-size: 10pt; text-align: justify; }table { }td { border-collapse: collapse; text-align: left; vertical-align: top; }</style> <div> <p><span lang="zh-CN" style="font-family: '文泉驿等宽微米黑';">年龄第二和倒数第二的同学的年龄差。</span></p> </div> </p>