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辅导ACS130 Introduction to Systems Engineering and Software

ACS130 Introduction to Systems Engineering and Software
C Programming Project
Assignment weighting: 25% of module mark
Assignment released: Friday 1 April (Semester 2, week 8)
Assignment due: 11.59pm Monday 9 May (Semester 2, Week 11)
Submission (all dropboxes are in the ‘Assessment’ tab):
1. Submit your .c file to the submission dropbox entitled. “C Program .c file”. Do not copy your
.c file into any other format. Do not submit .exe files to the dropbox.
2. Submit any text files to “Supplementary material”.
Please make sure your code runs and it must run on Codeblocks or XCode if using a Mac.
Marking and Feedback: You will be required to attend a 1-1 viva to demonstrate your code. We
will download your code from Blackboard to run. You will get oral feedback during this marking
session. A day and time will be provided for everyone closer to the time. Provisional marks may
change as a result of unfair means and/or late submissions. If you don’t turn up to the marking
session, then your code will not be marked.
Assignment briefing: This assignment will assess your ability to solve a problem using C as a
tool. Your program must be well laid out and commented, including a meaningful header comment.
Your program must provide meaningful interactions with the user. You must also use all of the
following C programming elements:
• selection (if or switch case),
• repetition (for or/and while or/and do while)
• at least one function with an array of struct in the input parameter list; the array of struct is
declared in main (or another function) and this function must set values in the array of struct,
and the calling function (main or other) must make use of the array of struct on return (you
choose whether to pass by value or pass by address)
• at least one function with a pointer to a variable of type char, int, float or double in the
parameter list; the function must set the contents of the variable, and the calling function
(main or other) must make use of the variable on return
• your program needs several instances where the user must input commands from the
keyboard in order to interact with the program
• your program must loop to the start allowing the user to run through the program time after
time (this is an independent requirement from the second point to use repetition)
Optional:
o you can create other functions and/or structures so as to modularise your code (but you must
have the 2 functions mentioned above).
o you can use anything else we have covered in this module, eg, arrays/strings, an input and/or
output file
You need to decide on what problem to solve in your program. Do NOT
use one of the problems from the ACS130 lectures, labs, previous
assignments or past papers.
The 3-5pm Friday 29th April session (week 9): I will be available if you
want to discuss your problem with me. During this session I will not be
looking at individual code or helping you with debugging, but I will be
available to answer general questions or clarify certain concepts with
respect to lecture slides and tutorial questions.
Instructions to the screen need to be clear so that I can successfully understand how
your code runs!
Component Marks Comments
Does the program use any global variables? Does the program use while(1)
loop/s? Does the program use break (other than in switch case), go to, jump,
continue etc
Yes/no (If yes, 50% penalty)
Program layout and commenting:
• Meaningful header comment (including a detailed description of code)
• sufficient comments interspersed within code
• Good indentation
• Meaningful variable names
/2
Marks available for executing program only:
Is there sufficient interaction between user and program? Yes/No
Interaction with the user
The user needs to be able to interact several times with the program.
• Is the user given prompts to enter any information that is needed from
the keyboard?
• Is the information displayed to the user easy to understand, including
any required ranges?
• Does the program loop to start?
If No, 0 for this
section

/2
Use of function(s), with array of struct in parameter list:
Does the program use at least one function with an array of struct included
in the parameter list? Eg struct Books B[3] Yes/no
• Declaring the array of struct in main or other calling function (not in
the called function).
• Setting some values within the array of struct from inside the function.
• Using (on return from the function) values in the array of struct in main
or other calling function.
-> notation as an alternative to dereference and dot notation is allowed.
If No, 0 for
this section.

/2
Use of function(s), with pointer variable in parameter list:
Does the program use at least one function with a pointer to a variable (not
an array) of type char, int, float, double, struct (not the same as previous
function) in the parameter list? Yes/no
• Declaring the variable in main/calling function (not in the called fn)
• Setting the contents of the variable from inside the function.
• Using (on return from the function) the variable in main or other calling
function.
If No, 0 for
this section.
/2
Does the program work with a variety of disparate inputs, without
malfunctioning? (i.e. is code debugged and tested thoroughly)
Please test the following:
• Inputting out of range numbers (including boundary values, massively
too small/large, zero, negative/positive, entering a char instead of an
int) at every instance
• Inputting the wrong thing, eg, it asks for a char and you supply an int
• If using an input file: Program must inform user and exit if file not found.
If No, then 0
for this
section.
/2
In each case, the program should allow re-input, or a message should be
given to alert the user to problems such as missing files.
Complexity of code* /10
Efficiency of code** /3
Explanation of code /2
Is IDE Codeblocks, DevC++ or Xcode? If not, -5 marks.
Do we need to use an alternate file (ie, not the .c file submitted)
for marking? If yes, -5 marks.
Total mark /25
*Complexity of code: Out of 10 marks.
To get complexity marks you need to have used:
- Repetition
- Selection
- Array of structs
in your code, otherwise you will get 0.
0 marks: Your code is very simple/basic and mainly consists of scanf and printf statements.

3 marks: Basic algorithms/control sequences: Eg some basic algorithms eg least common
multiple, greatest common divisor, calculating number of combinations and permutations, or multiple
choice quiz
6 marks: Medium complexity algorithms/control sequences: Eg shortest path from source to
destination in a 2D maze , root to leaf path for a variable tree (please note that the example shown
is for a static tree), extensive analysis of 2nd order systems (inc TF, pole-zero, variable gain and
plots), tic-tac-toe (also known as noughts and crosses), snake game.
10 marks: Complex algorithms/control sequences: Eg complex simulated games with a few rules
eg Pacman, battleships, or make one up!
**Efficiency of code: Out of 3 marks
This is looking at things like: using loops, arrays/strings if appropriate, modularity- adding other
functions to the code other than the ones mentioned in the briefing. Is the code compact?
Penalties for late submission: 5% reduction in the mark for every day or part thereof that the assignment is
late, and a mark of zero for submission more than five days late.
How you should work: This is an individual assignment, and it must be wholly your own work. You must
not copy algorithms or code for this assignment from any other source. You must not show anyone else any
part of your code (small or large), nor must you look at any part of anyone else’s code, because if you do this
is likely to result in similarity in your algorithms and code. Do not post any question relating to this assignment
on any forums eg stack exchange or CSDN.
Unfair means: Any suspicions of the use of unfair means, alerted to the module leader either by the marker
or by the plagiarism checker, will be investigated and may lead to penalties. See unfair means for more
information.
Extenuating circumstances: If you have medical or personal circumstances which cause you to be unable
to submit this assignment on time, please complete an extenuating circumstances form.
Help: This assignment briefing, the lectures and labs and the C online resources on your ACS130 reading
list provide all the information that is required to complete this assignment. You need to decide on the
algorithm to solve this problem, subject to the instructions in the assignment briefing. You also need to create
and debug the C code to solve this problem. However if you need clarifications on the assignment then please
post a question on the ACS130 Blackboard discussion board. I will not reply to assignment related
emails unless the query is of a personal nature. The discussion board is an opportunity for everyone
to see the Q&A so that no one is disadvantaged.

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