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Date: Mon, 11 Nov 1996 17:12:16 GMTServer: NCSA/1.5Content-type: text/htmlLast-modified: Sat, 02 Nov 1996 21:57:16 GMTContent-length: 2370<HTML><HEAD><TITLE>Quiz 3 Solutions - CS 302 Fall 1996 - Section 4</TITLE></HEAD><BODY><H4 ALIGN=CENTER> <!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><A HREF="http://www.cs.wisc.edu/~cs302">CS 302</A> Fall 1996 - <!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><A HREF="http://www.cs.wisc.edu/~milo/cs302.html">Section 4</A></H4> <H4 ALIGN=CENTER>Quiz 3 Solutions</H4><hr><br>This quiz is 20 total points. Please write legibly. If I can't readit, I can't grade it. You have until 5 minutes after the class periodends to finish.Good luck.<OL> <LI> (5 points) Write the <TT>struct</TT> declaration for astructure called ``Computer'' which has four member variables: aninteger <TT>disk_size</TT>, an integer <TT>monitor_size</TT>, acharacter <TT>model_type</TT>, and a double <TT>total_price</TT>.<PRE>struct Computer { int disk_size; int monitor_size; char model_type; double total_price;};</PRE> <LI> (5 points) Rewrite the following function to use switch statementinstead of a nested if-else statement. Your code should have no ifstatements.<PRE>int foo(int number, int value) { if (number == 1) { value = value * 2; } else if (number == 3) { value = value + 10; } else if ((number == 4) || (number == 6)) { value = value * value; } else { value = 17; } return value;}</PRE><br><PRE>int foo(int number, int value) { switch (number) { case 1: value = value * 2; break; case 3: value = value + 10; break; case 4: case 6: value = value * value; break; default: value = 17; } return value;}</PRE> <LI> (5 points) What does the following code display to the screen?<PRE>#include<iostream.h>int bar(int number, int value) { if ((number == 1) && (value++ > 0)) { return value + 10; } else { return value; }}int main() { cout << bar(0, 0) << endl; cout << bar(1, 0) << endl; cout << bar(0, 1) << endl; cout << bar(1, 1) << endl;}</PRE><PRE>01112</PRE> <LI> (5 points) Rewrite the following function to use a while ordo-while loop instead of a for loop.<PRE>int factorial(int n) { int counter, fact = 1; for(counter = 1; counter <= n; counter++) { fact *= counter; } return fact;}</PRE><br><PRE>int factorial(int n) { int counter = 1, fact = 1; while (counter <= n) { fact *= counter; counter++; } return fact;}</PRE></OL></BODY></HTML>⌨️ 快捷键说明
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