Problems Description
<p class="MsoNormal"> <span style="font-family:宋体;font-weight:bold;font-size:15.0000pt;">给你<span>N</span><span>items数,然后你的任务非常简单,你需要把</span><span>N</span><span>items数中的最大值和最小值都找出来,最大值记为</span><span>a</span><span>,最小值记为</span><span>b</span><span>,然后同时把最大值和最小值都替换成</span><span>a-b</span><span>,你的任务当且仅当剩下的数全部都相同了才会结束,否则你就一直按照这items过程来更新数字。</span></span><span style="font-family:Calibri;font-weight:bold;font-size:15.0000pt;"></span> </p> <p class="MsoNormal"> <span style="font-family:宋体;font-weight:bold;font-size:15.0000pt;">那么问题来了:渣韬不会做这problems题,他想知problems他是否能完成这items任务,如果任务能够完成,那么最后数组中全部相同的元素又会是哪items呢?</span><span style="font-family:Calibri;font-weight:bold;font-size:15.0000pt;"></span> </p>
Input格式
<p class="MsoNormal"> <span style="font-family:宋体;font-size:12.0000pt;">输入File包含多组测试数据。Page 一行,给出一items整数 <span>T</span><span>(</span><span>T<=20</span><span>),为数据组数。</span></span><span style="font-family:Calibri;font-size:12.0000pt;"></span> </p> <p class="MsoNormal"> <span style="font-family:宋体;font-size:12.0000pt;">接下来有两行,Page 一行为最初的数的items数<span>N</span><span>,Page 二行为这</span><span>N</span><span>items数points别是什么。</span></span><span style="font-family:Calibri;font-size:12.0000pt;"></span> </p> <p class="MsoNormal"> <span style="font-family:宋体;font-size:12.0000pt;">2<=N<=10<span>,每items数大于等于</span><span>-100000</span><span>并且小于等于</span><span>100000.</span></span><span style="font-family:Calibri;font-size:12.0000pt;"></span> </p>
Output格式
<p class="MsoNormal"> <span style="font-family:宋体;font-size:12.0000pt;">对于每组测试数据,如果能够完成任务,输出最后数组中剩下的所有相同的那items数字,否则输出</span><span style="font-family:宋体;font-size:10.5000pt;">“渣韬,这题无解!”</span><span style="font-family:Calibri;font-size:12.0000pt;"></span> </p>
Sample
Sample Input 1
2
3
1 2 3
2
5 5
Sample Output 1
2
5
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