整除问题

<p><!--[if gte mso 9]><xml><w:WordDocument><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery><w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery><w:DocumentKind>DocumentNotSpecified</w:DocumentKind><w:DrawingGridVerticalSpacing>7.8</w:DrawingGridVerticalSpacing><w:View>Normal</w:View><w:Compatibility></w:Compatibility><w:Zoom>0</w:Zoom></w:WordDocument></xml><![endif]--></p> <p style="text-indent: 21pt; margin-bottom: 0pt; margin-top: 0pt; text-align: left;" class="p0"><span style="font-size: 10.5pt; font-family: '宋体';">给出<font face="Times New Roman">n</font><font face="宋体">items数</font><font face="Times New Roman">a1,a2</font><font face="宋体">&hellip;</font><font face="Times New Roman">an</font><font face="宋体">，求出一items数</font><font face="Times New Roman">T</font><font face="宋体">，要求</font><font face="Times New Roman">T</font><font face="宋体">能整除</font><font face="Times New Roman">n</font><font face="宋体">items数中的其中</font><font face="Times New Roman">n-1</font><font face="宋体">items，但不能整除所有的</font><font face="Times New Roman">n</font><font face="宋体">items数，如果存在多items</font><font face="Times New Roman">T</font><font face="宋体">，输出最小的。</font></span></p> <p style="text-indent: 21pt; margin-bottom: 0pt; margin-top: 0pt; text-align: left;" class="p0"><span style="font-size: 10.5pt; font-family: '宋体';">例如<font face="Times New Roman">2,3,5</font><font face="宋体">，则输出</font><font face="Times New Roman">6</font><font face="宋体">，因为</font><font face="Times New Roman">6</font><font face="宋体">是</font><font face="Times New Roman">2</font><font face="宋体">和</font><font face="Times New Roman">3</font><font face="宋体">的最小公倍数，但不是</font><font face="Times New Roman">2,3,5</font><font face="宋体">的最小公倍数，</font><font face="Times New Roman">T</font><font face="宋体">还可能是</font><font face="Times New Roman">10,15,75</font><font face="宋体">等，但是由于</font><font face="Times New Roman">6</font><font face="宋体">最小，所以输出</font><font face="Times New Roman">6.</font></span></p> <p style="text-indent: 21pt; margin-bottom: 0pt; margin-top: 0pt; text-align: left;" class="p0"><span style="font-size: 10.5pt; font-family: '宋体';">如果<font face="Times New Roman">T</font><font face="宋体">不存在，则输出</font><font face="Times New Roman">-1</font><font face="宋体">。</font></span></p>

<p><!--[if gte mso 9]><xml><w:WordDocument><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery><w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery><w:DocumentKind>DocumentNotSpecified</w:DocumentKind><w:DrawingGridVerticalSpacing>7.8</w:DrawingGridVerticalSpacing><w:View>Normal</w:View><w:Compatibility></w:Compatibility><w:Zoom>0</w:Zoom></w:WordDocument></xml><![endif]--><span style="font-size: 10.5pt; font-family: '宋体';">Page 一行输入<font face="Times New Roman">n</font><font face="宋体">，表示</font><font face="Times New Roman">n</font><font face="宋体">items数，</font><font face="Times New Roman">1&lt;n&lt;=6</font></span>，<span style="font-size: 10.5pt; font-family: '宋体';">接下来一行输入<font face="Times New Roman">n</font><font face="宋体">items数，</font><font face="Times New Roman">0&lt;a1</font><font face="宋体">&hellip;</font><font face="Times New Roman">an</font><font face="宋体">，</font><font face="Times New Roman">ai&lt;=15</font></span></p>

<p><!--[if gte mso 9]><xml><w:WordDocument><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery><w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery><w:DocumentKind>DocumentNotSpecified</w:DocumentKind><w:DrawingGridVerticalSpacing>7.8</w:DrawingGridVerticalSpacing><w:View>Normal</w:View><w:Compatibility></w:Compatibility><w:Zoom>0</w:Zoom></w:WordDocument></xml><![endif]--><span style="font-size: 10.5pt; font-family: '宋体';">一items数，<font face="Times New Roman">T</font><font face="宋体">，其中每items测试数据占一行</font></span></p>