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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_589</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_588.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_589</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_590.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 589</font></td></tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></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">You may assume that the number has at least one digit on either side of the decimal point.</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">4. The program that plays rock, paper, and scissors takes its input from two files. Rewrite the program so that it uses interactive input from two players. The main module should be as follows:</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table><table cellspacing="0" border="0" width="338" cellpadding="4"><tr><td rowspan="7" valign="top"><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">DO<br />聽Get聽command<br /></font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">IF</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2"> command is </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">CONTINUE<br /></font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">Play game<br /></font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">ELSE IF</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2"> command is </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">PRINT_STATS<br /></font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">Print statistics<br /></font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">WHILE</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2"> command isn't </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">STOP</font></td><td></td></tr><tr><td colspan="3"></td></tr><tr><td colspan="3" height="1"></td></tr></table></td></tr></table><br /><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></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="3">command</font><font face="Times New Roman, Times, Serif" size="3"> should be a variable of an enumeration type whose enumerators are </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">CONTINUE</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">PRINT_STATS</font><font face="Times New Roman, Times, Serif" size="3">, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">STOP</font><font face="Times New Roman, Times, Serif" size="3">. The statistics to be printed are the current game number, the current number of wins for the first player, and the current number of wins for the second player. The Get Command module should begin by asking if the players want to see the current statistics. If they do not, the first player should be prompted to enter a C to continue or an S to stop. If the first player wishes to continue, ask the second player; </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">command</font><font face="Times New Roman, Times, Serif" size="3"> should be </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">CONTINUE</font><font face="Times New Roman, Times, Serif" size="3"> if both players enter a C, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">STOP</font><font face="Times New Roman, Times, Serif" size="3"> otherwise. If both players wish to continue, the first player and then the second player should be prompted to enter a play.</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"><i>Case Study Follow-Up</i></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">1. In the case study Finding the Area Under a Curve, it would be more efficient to go directly from midpoint to midpoint and not use the left edge of a rectangle at all. How would you change the program to use this approach?</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">2. What is the advantage of converting R, P, and S into values of an enumeration type in the Rock, Paper, Scissors case study?</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">3. Write the print functions for the BirthdayReminder program for a few of your friends and family.</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">4. Expand the BirthdayReminder program to read in a month and a date. The input data should be converted into a value in an enumeration type whose enumerators are </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">FIRST_WEEK</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">SECOND_WEEK</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">THIRD_WEEK</font><font face="Times New Roman, Times, Serif" size="3">, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">FOURTH_WEEK</font><font face="Times New Roman, Times, Serif" size="3"> using the following formula:</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"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="24" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></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">Dates聽1-7:聽聽聽FIRST_WEEK<br />Dates聽8-14:聽聽SECOND_WEEK<br />Dates聽15-21:聽THIRD_WEEK<br />Dates聽22+:聽聽聽FOURTH_WEEK</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"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></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">Each monthly print function should take the week as a parameter and print the following message heading:</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"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></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="3">Reminders</font><font face="Times New Roman, Times, Serif" size="3"> for the (first, second, third, fourth)</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">week</font><font face="Times New Roman, Times, Serif" size="3"> of (January) </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">are:</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_588.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_589</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_590.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
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