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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_490</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_489.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_490</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_491.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 490</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">//******************************************************************<br /><br />void聽GetYesOrNo(聽/*聽out聽*/聽char&聽response聽)聽聽聽//聽User聽response聽char<br /><br />//聽Inputs聽a聽character聽from聽the聽user聽and,聽if聽necessary,<br />//聽repeatedly聽prints聽an聽error聽message聽and聽inputs聽another<br />//聽character聽if聽the聽character聽isn't聽y聽or聽n<br /><br />//聽Postcondition:<br />//聽聽聽聽聽response聽has聽been聽input聽(repeatedly,聽if聽necessary,聽along<br />//聽聽聽聽聽with聽an聽error聽message)<br />//聽聽&&聽response聽==聽y聽or聽n<br />{<br />聽聽聽聽do<br />聽聽聽聽{<br />聽聽聽聽聽聽聽cin聽>>聽response;<br />聽聽聽聽聽聽聽if聽(response聽!=聽y聽&&聽response聽!=聽n)<br />聽聽聽聽聽聽聽聽聽聽聽cout聽<<聽Please聽type聽y聽or聽n:聽;<br /><br />聽聽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//聽聽聽聽聽No聽previous聽value聽of聽response聽was聽y聽or聽n<br />聽聽聽聽}聽while聽(response聽!=聽y聽&&聽response聽!=聽n);<br />}<br />//*****************************************************************<br /><br />void聽GetOneAmount(聽/*聽out聽*/聽float&聽amount聽)聽聽聽//聽Rainfall聽amount<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聽//聽for聽one聽month<br />//聽Inputs聽one聽month's聽rainfall聽amount聽and,聽if聽necessary,<br />//聽repeatedly聽prints聽an聽error聽message聽and聽inputs聽another<br />//聽value聽if聽the聽value聽is聽negative<br /><br />//聽Postcondition:<br />//聽聽聽聽聽amount聽has聽been聽input聽(repeatedly,聽if聽necessary,聽along<br />//聽聽聽聽聽with聽an聽error聽message)<br />//聽聽&&聽amount聽>=聽0.0<br /><br />{<br />聽聽聽聽do<br />聽聽聽聽{<br />聽聽聽聽聽聽聽cin聽>>聽amount;<br />聽聽聽聽聽聽聽if聽(amount聽<<聽0.0)<br />聽聽聽聽聽聽聽聽聽聽聽cout聽<<聽Amount聽cannot聽be聽negative.聽Enter聽again:<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽<<聽endl;<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_489.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_490</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_491.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
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