2011年下半年浙江省高等学校计算机LevelExam-编程题2

<p> <!--[if gte mso 9]>Normal07.8 磅02falsefalsefalseMicrosoftInternetExplorer4<![endif]--> </p> <p> <!--[if gte mso 9]><![endif]--><!--[if gte mso 10]> <![endif]--> </p> <p class="MsoNormal"> <span style="font-family:宋体;">按下面要求编写程序：</span> </p> <p style="text-indent:15.75pt;" class="MsoNormal"> <span style="font-family:宋体;">（</span><span style="font-family:&quot;">1</span><span style="font-family:宋体;">）定义函数</span><span style="font-family:&quot;">f(n)</span><span style="font-family:宋体;">计算</span><span style="font-family:&quot;">n+(n+1)+…+(2n-1)</span><span style="font-family:宋体;">，函数返回值类型是</span><span style="font-family:&quot;">double</span><span style="font-family:宋体;">。</span> </p> <p class="MsoNormal"> <span style="font-family:&quot;"><span>&nbsp;&nbsp;&nbsp; </span>(2)</span><span style="font-family:宋体;">定义函数</span><span style="font-family:&quot;">main()</span><span style="font-family:宋体;">，输入正整数</span><span style="font-family:&quot;">n</span><span style="font-family:宋体;">，计算并输出下列算式的值。要求调用函数</span><span style="font-family:&quot;">f(n)</span><span style="font-family:宋体;">计算</span><span style="font-family:&quot;">n+(n+1)+…+(2n-1)</span><span style="font-family:宋体;">。</span> </p> <p> <br /> </p> <p> <img src="http://tk.hustoj.com/upload/pimg1337_1.png" alt="" height="46" width="399" /> </p>