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\par }{\fs16 Fall 2003
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\fs20\cf1\lang1033\langfe255\cgrid\langnp1033\langfenp255 {\b\fs22 CS 131 - Intro to Computer Science I - Fall 2003
\par Homework #1 
\par DUE: Friday, September 5th, }{\b\fs22\ul Beginning}{\b\fs22  of Lab
\par }\pard \s15\ql \li0\ri0\nowidctlpar\aspalpha\faauto\rin0\lin0\itap0 {\fs22 
\par You are to work individually on this assignment.
\par }{\fs22 
\par }{\b\fs22 FIRST: note }{\fs22 that the}{\b\fs22  Reading Packet #2 - Section 2 }{\fs22 has had some corrections made; the revised version is available from the Blackboard course site, under "Course Documents".}{\b\fs22 
\par }{\fs22 
\par }{\b\fs22 SECOND: }{\fs22 this homework is unusual in that, because it uses}{\b\fs22  expr_play}{\fs22  and}{\b\fs22  funct_play0}{\fs22 ,}{\b\fs22  }{\fs22 you do not have to do anything extra to "turn it in"; each time you run  }{\b\fs22 expr_play}{
\fs22  and }{\b\fs22 funct_play0,}{\fs22  they send me what I need to see by e-mail, so (this time!), you don't have to do anything extra except for calling these programs appropriately. This will not be the case for very many CS 131 homeworks!}{\b\fs22 

\par }{\fs22 
\par }{\b\fs22 THIRD: }{\fs22 Read }{\b\fs22 Reading Packet #3}{\fs22 , now available via the }{\b\fs22 Course Documents }{\fs22 section of the Blackboard course site, for next Wednesday's lecture (Sept. 3}{\fs22\super rd}{\fs22 ).}{\b\fs22 
\par }\pard \s15\ql \fi-450\li420\ri0\nowidctlpar\aspalpha\faauto\rin0\lin420\itap0 {\b\fs22 
\par 1.\tab }{\fs22 Consider the following; write each as a C++ expression, and test it under }{\b\fs22 expr_play}{\fs22 . (question to think about, not to turn in: did you get what you expected for each? do you understand why that was the result?)}{\b\fs22 

\par }{\fs22 
\par }\pard \s15\ql \fi-435\li855\ri0\nowidctlpar\aspalpha\faauto\rin0\lin855\itap0 {\fs22 (a)\tab the integer 17
\par (b)\tab the product of 17 and 12
\par (c)\tab 170 minus (5.0 raised to the 12th power)
\par }{\fs22 (d)\tab the product of 5 and 6 and 7 and 8
\par }\pard \s15\ql \fi-450\li420\ri0\nowidctlpar\aspalpha\faauto\rin0\lin420\itap0 {\b\fs22 
\par 2.\tab }{\fs22 Consider }{\b\fs22 Exercise 2.1.1}{\fs22  in Reading Packet #2, in Section 2, subsection 2.1. If you do indeed find any of those functions provided, practice calling them in an expression within }{\b\fs22 expr_play}{\fs22 
 at least once each. }{\b\fs22 
\par }{\fs22 
\par \tab (}{\b\fs22 note}{\fs22 : if you are sure you have the right function name but are getting error messages, try your expression using a floating point argument instead of an integer...)
\par 
\par }{\b\fs22 3.\tab }{\fs22 Consider }{\b\fs22 Exercise 2.1.2}{\fs22  in Reading Packet #2, Section 2, subsection 2.1. Do what it asks, and if you do indeed find the function it requests at the end, practice calling it at least once within }{\b\fs22 
expr_play}{\fs22 , also.}{\b\fs22 
\par }{\fs22 
\par }{\b\fs22 4.\tab }{\fs22 Consider the function }{\b\fs22 area_of_disk}{\fs22  in Reading Packet #2, Section 2, subsection 2.2. Type it in using }{\b\fs22 funct_play0}{\fs22 
 (discussed in lab on 8-29, and also mentioned in the next reading packet, Reading Packet #3); test it on at least the arguments }{\b\fs22 5}{\fs22 , then }{\b\fs22 3}{\fs22 , then }{\b\fs22 13.7}{\fs22  (and then on as many more as you like after that).}
{\b\fs22 
\par }{\fs22 
\par }{\b\fs22 5.\tab }{\fs22 Write a function }{\b\fs22 big_rig_wheel_area}{\fs22  that uses }{\b\fs22 area_of_disk}{\fs22  to figure out the area of the wheels (in strictly a }{\b\fs22 2}{\fs22 -dimensional sense... 8-) ) of an 18-wheel big rig, given the}{
\b\fs22  diameter}{\fs22  of its wheels. (That is, I am making two important requirements for}{\b\fs22  big_rig_wheel_area}{\fs22  -- its parameter is the wheel's}{\b\fs22  diameter}{\fs22 , and it must appropriately call}{\b\fs22  area_of_disk}{\fs22 
 within its body.) Type it in using}{\b\fs22  funct_play0}{\fs22 , and test it (once it is able to run) on at least the arguments}{\b\fs22  20}{\fs22  and}{\b\fs22  25}{\fs22  (and then on as many more as you'd like after that).}{\b\fs22  
\par }{\fs22 
\par 
\par }}