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CPT109 C Programming and Software Engineering 1 – ASSESSMENT 2
Assessment Number 2
Contribution to Overall Marks 50%
Issue Date 02/11/2020
Submission Deadline 14/12/2020 at 0600 (6am)
Assessment Overview
This assessment aims to test your ability to design a modular program which makes use of
files and structures. Application of the software development process (SDP) is also under
assessment; the five main steps of the software development process are:
1. Problem statement: formulate the problem.
2. Analysis: determine the inputs, outputs, variables, etc
3. Design: define the list of steps (the algorithm) needed to solve the problem.
4. Implementation: the C code has to be submitted as a separate file. Just indicate here the
name of the file.
5. Testing: explain how you have tested and verified your C program.
EXERCISE
An entertainment company would like you to develop a version of the popular memory game
“Find the Pairs”. In this game, a player is shown a grid of randomised pairs of symbols to
memorise in a short time. The player then selects pairs of objects to uncover, which remain
uncovered if they match. The aim is to turn over all pairs in the smallest number of attempts
possible. The program will allow the user to create an account so that their game history can
be recorded and viewed each time they login.
Program Requirements
1. Your program should provide users with the ability to create an account. An account
should be a structure type variable containing at least: a username, a password and
details of their game playing history.
2. All of the accounts should be stored in a data file and accessed by the program.
3. Once a user is logged on to the game they should be able to:
(i) Start a new game
(ii) Review their game history
(iii) Clear their game history
4. Logout
5. Normally, the use of global variables is not allowed. Any use of global variables must
be fully justified in your report.
6. The randomised pair grid must be a minimum size of 4 x 4 (i.e. 8 pairs).
7. The grid should initially be displayed to the player for a short time.
8. The player should be able to select pairs of objects to uncover. These remain
uncovered if they match and are re-covered if they do not match after a short delay.
9. The total number of guesses it takes to uncover all pairs should be recorded.
10. The game should allow the player to exit to the main menu at any time.
Ideas
Note: the following are only to provide you with ideas of how to implement the required
functionality. They do not represent the “best” or only ways to implement the functions.
All player accounts are structure variables and will be stored in a file. The login process can
be achieved using a single structure variable, into which each account can be read from the
file one by one, each time checking the username until you find the correct players account.
The gaming operations can then be performed using that single structure variable. When the
player logs out only this one structure needs to be written back to the file for saving in the
correct position.
Alternatively, you can create an array of structures in the program and read the whole file
into the array, then search the array for the correct users’ structure. The game can be played
using the correct element in the array of structures. When the player finishes, the whole array
can be written to the file.
The randomised grid of symbols can be created using a 2D array.
Try to create your own functions to simplify the programming task.
Consider how your program should function when there is an invalid input.
To make your program more interesting for the user think about the playability. Use your
own experience of playing games, for example you might allow different difficulty settings
related to the size of the grid which could be changeable, you may record the time it takes to
complete the grid, some statistical data about their game history may be of interest.
What should be submitted?
1) A short report (up to a few pages of text plus C source codes) detailing for each question:
a) SDP steps 1 to 3 in the report (Problem statement(10%) + Analysis(10%) +
Algorithm Design(10%) + Report Quality(10%)) (40%)
b) SDP step 4 (Implementation + Robustness): C source code including comments.
(40%). Do not paste the code into your report just submit the .c source code file and
write the file name in your report under the implementation section. This MUST
compile and run in Visual Studio 2013.
c) SDP step 5 (testing): explain your testing methodology including: what you wanted
to test, how you have tested it and the outcome of your tests. (15%). Note: you do
not need to include screenshots of all testing results. You can include some to show
correct operation and or failures, avoid including pages and pages of screenshots for
every test you perform.
Please refer to the file “CPT109 Marking Guidelines Assignment 2” for the
detailed marking scheme.
2) The report in Microsoft Word or pdf format and C source code of your implementation
should be zipped into a single file, i.e. the zip file will contain 2 files, one document and
one source code.
The naming of Report (.docx or .pdf), Source Code (.c) and Compressed file (.zip or .rar)
• StudentID_LastName_FirstName_AssignmentNumber.docx or .pdf
• StudentID_ AssignmentNumber.c
• StudentID_LastName_FirstName_AssignmentNumber.zip or .rar
For example
• 123456789_Einstein_Albert_2.docx
• 123456789_2.c
Zipped together into:
• 123456789_Einstein_Albert_2.zip
How the work should be submitted?
Should be submitted electronically through the Learning Mall so that the marker can run your
programs during marking. Feedback and your grade will also be given through the Learning
Mall.
Remember that you are responsible for ensuring that your C code will run in Visual Studio
2013 and to C90 standard and that if it does not without documentary explanation you may
get a 0 mark for your implementation.

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