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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_760</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_759.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_760</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_761.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 760</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">8. Given the declarations</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">typedef聽int聽OneDimType[100];<br /><br />OneDimType聽twoDim[40];</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">rewrite the declaration of </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">twoDim</font><font face="Times New Roman, Times, Serif" size="3"> without referring to type </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">OneDimType</font><font face="Times New Roman, Times, Serif" size="3">. (pp. 723724)</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">9. How many components does the following data type contain? (pp. 724727)</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">const聽int聽SIZE聽=聽10;<br />typedef聽char聽FourDim[SIZE][SIZE][SIZE][SIZE-1];</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">10. Write a program fragment that fills a variable of type </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">FourDim</font><font face="Times New Roman, Times, Serif" size="3">, named </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">quick</font><font face="Times New Roman, Times, Serif" size="3">, with blanks. (pp. 724727)</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">11. Suppose you are writing a program to process a table of employee numbers, names, and pay rates. Is a two-dimensional array an appropriate data structure for this problem? Explain. (pp. 727728)</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="Courier New, Courier, Mono New, Courier, Mono" size="2">Answers聽1.聽float聽plan[30][10];聽2.聽plan[13][7]聽=聽27.3;<br />聽3.聽for聽(row聽=聽0;聽row聽<聽30;聽row++)聽4.聽for聽(col聽=聽0;聽col聽<聽10;聽col++)<br />聽5.聽for聽(row聽=聽0;聽row聽<聽30;聽row++)<br />聽聽聽聽聽聽聽聽for聽(col聽=聽0;聽col聽<聽10;聽col++)<br />聽聽聽聽聽聽聽聽聽聽聽聽plan[row][col]聽=聽0.0;<br />聽6.聽for聽(row聽=聽0;聽row聽<聽30;聽row++)<br />聽聽聽聽{<br />聽聽聽聽聽聽聽聽for聽(col聽=聽0;聽col聽<聽10;聽col++)<br />聽聽聽聽聽聽聽聽聽聽聽聽cout聽<<聽setw(8)聽<<聽plan[row][col];<br />聽聽聽聽聽聽聽聽cout聽<<聽endl;<br />聽聽聽聽}<br />聽7.聽Either<br />聽聽聽聽聽聽聽聽聽float聽someArray[30][10]</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="2">聽聽聽or</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="Courier New, Courier, Mono New, Courier, Mono" size="2">聽聽聽聽聽聽聽聽聽float聽someArray[][10]<br />聽8.聽</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">int聽twoDim[40][100];</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">聽9.聽Nine聽thousand聽(10聽*聽10聽*聽10聽*聽9)<br />10.聽for聽(dim1聽=聽0;聽dim1聽<聽SIZE;聽dim1++)<br />聽聽聽聽聽聽聽聽for聽(dim2聽=聽0;聽dim2聽<聽SIZE;聽dim2++)<br />聽聽聽聽聽聽聽聽聽聽聽聽for聽(dim3聽=聽0;聽dim3聽<聽SIZE;聽dim3++)<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽for聽(dim4聽=聽0;聽dim4聽<聽SIZE聽-聽1;聽dim4++)<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽quick[dim1][dim2][dim3][dim4]聽=聽'聽';</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="Courier New, Courier, Mono New, Courier, Mono" size="2">11.聽A聽two-dimensional聽array聽is聽inappropriate聽because聽the聽data聽types聽of聽the聽columns聽are<br />聽聽聽聽聽聽聽not聽the聽same.聽Parallel聽arrays聽are聽appropriate聽in聽this聽case.</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>Exam Preparation Exercises</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. Given the declarations</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">const聽int聽NUM_WEEKS聽=聽5;<br />const聽int聽NUM_TEAMS聽=聽6;<br /><br />int聽tickets[NUM_TEAMS][NUM_WEEKS];</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_759.html">< previous page</a></td> <td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_760</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_761.html">next page ></a></td> </tr> </table> </body> </html>⌨️ 快捷键说明
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