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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>page_489</title> <link rel="stylesheet" href="reset.css" type="text/css" media="all"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> </head> <body> <table summary="top nav" border="0" width="100%"> <tr> <td align="left" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_488.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_489</strong></td> <td align="right" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_490.html">next page ></a></td> </tr> <tr> <td align="left" colspan="3" style="background: #ffffff; padding: 20px;"> <table border="0" width="100%" cellpadding="0"><tr><td align="center"> <table border="0" cellpadding="2" cellspacing="0" width="100%"><tr><td align="left"></td> <td align="right"></td> </tr></table></td></tr><tr><td align="left"><p></p><table border="0" cellspacing="0" cellpadding="0" width="100%"><tr><td align="right"><font face="Times New Roman, Times, Serif" size="2" color="#FF0000">Page 489</font></td></tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td> <td colspan="3" height="12"></td> <td rowspan="5"></td></tr><tr><td colspan="3"></td></tr><tr><td></td> <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">聽聽聽聽聽do<br />聽聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽Get12Amounts聽(sum);<br />聽聽聽聽聽聽聽聽聽cout聽<<聽Average聽rainfall聽is聽聽<<<聽sum聽/聽12.0<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽<<聽聽inches聽<<聽endl聽<<聽endl;<br />聽聽聽聽聽聽聽聽聽cout聽<<聽Do聽you聽have聽another聽recording聽site?聽(y聽or聽n)聽;<br />聽聽聽聽聽聽聽聽聽GetYesOrNo(response);<br /><br />聽聽聽聽聽聽聽聽聽聽聽聽聽//聽Invariant:<br />聽聽聽聽聽聽聽聽聽聽聽聽聽//聽聽聽聽聽Rainfall聽amounts聽have聽been聽processed聽for<br />聽聽聽聽聽聽聽聽聽聽聽聽聽//聽聽聽聽聽聽聽聽聽current聽site聽and聽all聽previous聽sites<br />聽聽聽聽聽聽聽聽聽聽聽聽聽//聽聽聽&&聽All聽previous聽values聽of聽response聽were聽y<br />聽聽聽聽聽}聽while聽(response聽==聽y);<br />聽聽聽聽聽return聽0;<br />}<br /><br />//******************************************************************<br /><br />void聽Get12Amounts(聽/*聽out聽*/聽float&聽sum聽)聽聽聽聽//聽Sum聽of聽12聽rainfall<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽amounts<br /><br />//聽Inputs聽12聽monthly聽rainfall聽amounts,聽verifying聽that<br />//聽each聽is聽nonnegative,聽and聽returns聽their聽sum<br /><br />//聽Postcondition:<br />//聽聽聽聽聽12聽rainfall聽amounts聽have聽been聽read聽and聽verified聽to聽be<br />//聽聽聽聽聽nonnegative<br />//聽聽&&聽sum聽==聽sum聽of聽the聽12聽input聽values<br /><br />{<br />聽聽聽聽int聽聽聽count;聽聽聽聽聽聽聽//聽Loop聽control聽variable<br />聽聽聽聽float聽amount;聽聽聽聽聽聽//聽Rainfall聽amount聽for聽one聽month<br /><br />聽聽聽聽sum聽=聽0;<br />聽聽聽聽for聽(count聽=聽1;聽count聽<=聽12;聽count++)<br />聽聽聽聽{<br />聽聽聽聽聽聽聽聽聽聽聽聽//聽Invariant聽(prior聽to聽test):<br />聽聽聽聽聽聽聽聽聽聽聽聽//聽聽聽聽聽sum聽==聽sum聽of聽the聽first聽count-1聽input聽values<br />聽聽聽聽聽聽聽聽聽聽聽聽//聽聽&&聽1聽<=聽count聽<=聽13<br /><br />聽聽聽聽聽聽聽聽cout聽<<聽Enter聽rainfall聽amount聽聽<<聽count聽<<聽:聽<<聽endl;<br />聽聽聽聽聽聽聽聽GetOneAmount聽(amount);<br />聽聽聽聽聽聽聽聽sum聽=聽sum聽+聽amount;<br />聽聽聽聽}<br />}<br /></font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table></td></tr></table><p><font size="0"></font></p>聽 </td> </tr> <tr> <td align="left" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_488.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_489</strong></td> <td align="right" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_490.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
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