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【RBE104TC 开发】RBE104TC C/C++ Programming Language
Assignment 1
Assignment Overview:
This assignment aims at testing some basic concepts of the C programming and
initiates the routine of code development using the software development process
(SDP) presented in the relevant lectures. It focuses on the following five steps of
the SDP.

  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.
    You will need to apply this methodology to each one of the following simple
    exercises.
    Things to note:
  6. Include clear comments in your code to make it easy to understand.
  7. Explain your testing procedure and what you have observed during the
    testing. The testing should be demonstrated by screenshot pictures to
    present the actual implementation output.
  8. How you solved any problems.
    Contribution to the Overall Marks 40%
    Issue Date
    Submission Deadline Dec. 21st, 2020
  9. / 5
    Exercise 1 (25%):
    Write a C program that can perform the following operations:
    ? Read the following from the keyboard and store them in appropriate variables;
    ? A full name (e.g. John Smith);
    ? A telephone number (e.g. 12345678900) assume all phone numbers are with
  10. digits;
    ? A 2 digit decimal number (e.g. 22);
    ? A temperature in degrees Celsius (e.g. 28.5°C).
    ? Divide the first 6 figures of the telephone number by the last 5 and store the
    result in a variable. Print the value on the screen (e.g. 123456/78900 = 1.56;
    ? Print an integer on the screen with the decimal, the octal, and the hexadecimal
    format (e.g. 45, 55,2D);
    ? Convert the temperature from degrees Celsius to degrees Fahrenheit and
    degrees Kelvin. Store the values in appropriate variables rounded to the
    closest whole number and print them on the screen (e.g. 10°C 50°F 283°K);
    ? Solve the real roots of the quadratic equation for any real input a,b,c (e.g.
    invalid(a = 0), two equal real roots, two unequal real roots, or no real roots).
    Exercise 2 (30%):
    ? Write a function
    bool same_vec (vector a, vector b)
    that checks whether two vectors are including the same elements, ignoring
    the order and multiplicities.
    ? For example, the two vectors {1, 4, 9, 16, 9, 7, 4, 9, 11} and {11, 11, 7, 9, 16, 4, 1}
    would be considered identical.
    Requirements:
  11. Get the numbers from keyboard input;
  12. The length of the vectors is unknown, it is only determined by the input.
  13. / 5
    Exercise 3 (45%):
    An entertainment company designs a game: both the player and the computer
    generate a letter taking the value A, B, C, but the result is determined by the
    following rules: A < B, B < C, and C < A. It would now invite you to develop this
    software to provide players of the game with their own secured account in which
    their game history including the win, lose, or draw numbers is recorded and stored
    in a file. There are several requirements as described in the following section.
    Program Requirements
    ? Your program should provide users with the ability to create an account. An
    account should be a structure type variable containing: a username, a password,
    and a record of the game history.
    ? The game history should be stored in a two-dimensional array and contain the
    following details as a minimum:
    i. Number of rounds in a game
    ii. Number of player wins
    iii. Number of computer wins
    iv. Number of draws
    v. Whether or not the game was overall a winning, draw or loss.
    ? All of the accounts should be stored in a data file and accessed by the program.
    ? 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
    iv. Logout
    ? Normally, the use of global variables is not allowed. Any use of global variables
    must be fully justified in your report.
    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 of the 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 finishes only this
    one structure needs to be written back to the file for saving.
    Alternatively, you can create an array of structures in the program and read the
    whole file into the array, then search the array. The game can be played using the
  14. / 5
    correct element of the array of structures. When the player finishes, the whole array
    can be written to the file.
    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 thinks about what kind of
    information they may like to access for example overall win percentages.
  15. / 5
    What should be submitted?
    You should submit the followings:
    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 (Report + Specification + Analysis +
    Algorithm Design) (40%);
    b). SDP step 4 (Implementation + Robustness): your C source code including
    the comments. (40%);
    c). SDP step 5 (testing): you will explain how you have tested the correctness
    of your C program and will include some sample runs of your C Programs.
    (20%);
    Please refer to the file Marking Guidelines for RBE104TC.pdf on the Learning Mall
    system for a detailed marking scheme.
    2). The report in Microsoft Word or pdf format and C source code of your
    implementation zipped into a single file, i.e. the zip file will contain 2 files. (It is good
    practice to include comments in your code see the example provided.)
    The naming of Report ( .doc, .docx or .pdf only), Source Code (.c) and Compressed
    file (.zip, or .rar only)
    StudentID_LastName_FirstName_AssignmentNumber.doc
    StudentID_ AssignmentNumber.c
    StudentID_LastName_FirstName_AssignmentNumber.zip
    For example:
    Report and c source file named:
    1234567_Albert_Einstein_1.doc
    1234567_1.c
    Contained within the zip file:
    1234567_Albert_Einstein_1.zip
    How the work should be submitted?
    Should be submitted electronically through the Learning Mall system so that the
    marker can run your programs during marking. Feedback and your grade will also
    be given through the Learning Mall system.

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