📄 page_228.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>page_228</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_227.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_228</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_229.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 228</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="Times New Roman, Times, Serif" size="3">Module聽Structure聽Chart:</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></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="Times New Roman, Times, Serif" size="3"><img src="04cd653df8958cc174e1a37a7e804283.gif" border="0" alt="0228-01.gif" width="381" height="119" /></font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table><table cellpadding="0" cellspacing="0" border="0" width="100%"><tr><td height="12"></td></tr><tr><td><table cellspacing="0" width="490" cellpadding="7"><tr><td colspan="3" valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Constants</i></font></td></tr><tr><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Name</i></font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Value</i></font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Description</i></font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">BOARD_FT_INCHES</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">144.0</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Cubic inches in 1 board foot</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">PLYWOOD_INCHES</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">4608.0</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Cubic inches in 1 full sheet of plywood</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">WIDTH_INCHES</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">48</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Width in inches of every sheet of plywood</font></td></tr></table></td></tr></table><br /><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="Times New Roman, Times, Serif" size="3">In the following list of variables, notice that the data type listed for </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">size1</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">size2</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">size3</font><font face="Times New Roman, Times, Serif" size="3">, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">numOrdered</font><font face="Times New Roman, Times, Serif" size="3"> is </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">long</font><font face="Times New Roman, Times, Serif" size="3"> (long integer) rather than </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">int</font><font face="Times New Roman, Times, Serif" size="3">. In the calculation of the amount of wood ordered, the values of these variables are multiplied together. If the variables were of type </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">int</font><font face="Times New Roman, Times, Serif" size="3">, their product could easily exceed the maximum </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">int</font><font face="Times New Roman, Times, Serif" size="3"> value, which is 32767 on many personal computers.</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table><table cellpadding="0" cellspacing="0" border="0" width="100%"><tr><td height="12"></td></tr><tr><td><table cellspacing="0" width="394" cellpadding="7"><tr><td colspan="3" valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>variables</i></font></td></tr><tr><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Name</i></font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Data Type</i></font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2"><i>Description</i></font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">code</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">char</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Indicates lumber or plywood item</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">size1</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">long</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">First dimension</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">size2</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">long</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Second dimension</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">size3</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">long</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Third dimension</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">numOrdered</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">long</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Number ordered</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">boardFeet</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">float</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Result for lumber item</font></td></tr><tr><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">fullSheets</font></td><td valign="top"><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">float</font></td><td valign="top"><font face="Times New Roman, Times, Serif" size="2">Result for plywood item</font></td></tr></table></td></tr></table><br /><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="Times New Roman, Times, Serif" size="3">To save space, from here on we omit the list of constants and variables from the Problem-Solving Case Studies. But we recommend that you continue writing those lists as you design your own algorithms. The lists save you a lot of work when you are writing the declarations for your programs. Here is the program that implements our design.</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_227.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_228</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_229.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -