排队打水问题

&nbsp; <p style="text-align:left;vertical-align:baseline;"> <span style="font-family:Arial;color:black;font-size:20pt;"><span>&nbsp;&nbsp;&nbsp; </span></span><span style="font-family:宋体;color:black;font-size:20pt;">有</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:Arial;color:black;font-size:20pt;">(n&lt;=100)</span><span style="font-family:宋体;color:black;font-size:20pt;">个</span><span style="font-family:宋体;color:black;font-size:20pt;">人在一个水龙头前排队接水，假如每个人接水的时间为</span><span style="font-family:Arial;color:black;font-size:20pt;">Ti</span><span style="font-family:Arial;color:black;font-size:20pt;">(Ti&lt;=1000)</span><span style="font-family:宋体;color:black;font-size:20pt;">，</span><span style="font-family:宋体;color:black;font-size:20pt;">请编程找出这</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:宋体;color:black;font-size:20pt;">个人排队的一种顺序，使得</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:宋体;color:black;font-size:20pt;">个人的平均等待时间最小。</span><span style="font-family:Arial;color:black;font-size:20pt;font-weight:bold;"> </span> </p>

&nbsp; <p style="text-align:left;vertical-align:baseline;"> <span style="font-family:Arial;color:black;font-size:20pt;"><span>&nbsp;&nbsp;&nbsp; </span></span><span style="font-family:宋体;color:black;font-size:20pt;">输入文件共两行，第一行为</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:宋体;color:black;font-size:20pt;">；第二行分别表示第</span><span style="font-family:Arial;color:black;font-size:20pt;">1</span><span style="font-family:宋体;color:black;font-size:20pt;">个人到第</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:宋体;color:black;font-size:20pt;">个人每人的接水时间</span><span style="font-family:Arial;color:black;font-size:20pt;">T1</span><span style="font-family:宋体;color:black;font-size:20pt;">，</span><span style="font-family:Arial;color:black;font-size:20pt;">T2</span><span style="font-family:宋体;color:black;font-size:20pt;">，</span><span style="font-family:Arial;color:black;font-size:20pt;">…</span><span style="font-family:宋体;color:black;font-size:20pt;">，</span><span style="font-family:Arial;color:black;font-size:20pt;">Tn</span><span style="font-family:宋体;color:black;font-size:20pt;">，每个数据之间有</span><span style="font-family:Arial;color:black;font-size:20pt;">1</span><span style="font-family:宋体;color:black;font-size:20pt;">个空格。</span><span style="font-family:Arial;color:black;font-size:20pt;font-weight:bold;"> </span> </p>

&nbsp; <p style="text-align:left;vertical-align:baseline;"> <span style="font-family:Arial;color:black;font-size:20pt;"><span>&nbsp;&nbsp;&nbsp; </span></span><span style="font-family:宋体;color:black;font-size:20pt;">输出文件有两行，第一行为一种排队顺序，即</span><span style="font-family:Arial;color:black;font-size:20pt;">1</span><span style="font-family:宋体;color:black;font-size:20pt;">到</span><span style="font-family:Arial;color:black;font-size:20pt;">n</span><span style="font-family:宋体;color:black;font-size:20pt;">的一种排列；第二行为这种排列方案下的平均等待时间</span><span style="font-family:Arial;color:black;font-size:20pt;">(</span><span style="font-family:宋体;color:black;font-size:20pt;">输出结果精确到小数点后两位</span><span style="font-family:Arial;color:black;font-size:20pt;">)</span><span style="font-family:宋体;color:black;font-size:20pt;">。</span><span style="font-family:Arial;color:black;font-size:20pt;font-weight:bold;"> </span> </p>