Problems Description
<p class="MsoNormal" style="text-align:left;" align="left"> <span style="font-size:12.0pt;line-height:125%;font-family:宋体;">编写程序,计算并输出<span>3</span>到<span>n</span>(含<span>3</span>和<span>n</span>)的所有素数的平方根之和,要求<span>n</span>的值大于<span>2</span>但小于等于<span>100</span>。</span> </p> <p class="MsoNormal" style="text-align:left;" align="left"> <span style="font-size:12.0pt;line-height:125%;font-family:宋体;"><span>int<span> </span>prime(int num) </span>判断素数<span></span></span> </p>
Input格式
<p class="MsoNormal" style="text-align:left;" align="left"> <span style="font-size:12.0pt;line-height:150%;font-family:宋体;">输入一items整型数据<span>n</span>。 (多组输入数据)<span></span></span> </p>
Output格式
<p class="MsoNormal" style="text-align:left;" align="left"> <span style="font-size:12.0pt;line-height:150%;font-family:宋体;">计算后的数据。(多组输出数据)<span style="color:red;">(输出使用<span>%.2f </span>格式符)</span><span></span></span> </p>
Sample
Sample Input 1
100
50
Sample Output 1
148.87
63.67
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