Assignment #3 Introduction to Programming

Assignment #3
CSC111: Introduction to Programming
Learning Outcomes
When you have completed this assignment, you should understand:
• How to write and call functions that return values.
• How to write count driven loops
• How to accumulate results over a loop
• How to define functions with nested loops
• How to establish a correlation between the control of outer inner loops
Assignment Overview
1. Create a single new file called assignment3.c in Jupyter Hub
2. Design the functions according to the specifications in the Function Specifications section.
3. Test to make sure your code produces the expected output.
4. Ensure that the filename is assignment3.c (files with an incorrect name will not be marked).
5. Download your assignment3.c file from Jupyter Hub (File→Download) and submit this single file
to the Assignment 3 dropbox (under Assignments) on the CSC111 BrightSpace Page.
6. Download your file from BrightSpace to confirm that name and file contents are as expected.
Reminder: Your code is to be designed and written by only you and not to be shared with anyone else.
See the Course Outline for details explaining the policies on Academic Integrity. Submissions that violate
the Academic Integrity policy will be forwarded directly to the Computer Science Academic Integrity
Committee.
Grading
1. Late submissions will not be accepted
2. You must submit a single file with the name assignment3.c or you will be given a zero grade.
3. Your function names must match the specification exactly or you will be given a zero grade.
4. Any code written in the main function may not be marked.
5. We will do spot-check grading for code quality. All assignments are graded BUT only a subset of
your code may be graded for code quality. You will not know which portions of the code will be
graded, so all of your code must be complete and adhere to specifications to receive marks.
6. Your code must run without errors in the Computer Science department’s Jupyter Hub environment
using the compilation command provided in this document.
7. We reserve the right to replace your main function with our own, allowing it to better interact with
our testing software.
8. It is the responsibility of the student to submit any and all correct files. Only submitted files will
be marked. Submitting an incorrect file or forgetting a file is not grounds for a regrade.
Marks will be given for:
• Your code producing the correct output.
• Your code following good coding conventions
– Proper indentation
– Documentation (comments)
– Use of whitespace to improve readability
– Names of variables should have meaning relevant to what they store
1
Compiling and Running
Use the following commands to compile and run your code when you are testing your work.
gcc -Wall -Werror -pedantic -std=c18 -o assignment3 assignment3.c
and the following to run the code:
./assignment3
NOTE: Where examples are provided for clarity in the problem descriptions, they do not necessarily
consider all edge cases – your testing must take into account all edge cases as we will when grading your
submissions.
Functions Specifications
IMPORTANT: Be careful with your choice of types! All floating point return types and argument
types must use type double. When the return type or argument type is clearly not a fractional number,
you must use the type int.
When testing your code type the following command to compile your code. Every line of output must
have a new line after it. This section will describe the functions that you are tasked to create:
1. Design a function, called median, that meets the following criteria:
• The function must take as arguments three floating point numbers (doubles)
• The function should return the median value computed as a double.
• RECALL: the median of a set of numbers is the middle number of that set in sorted order.
• Example: If the function is called with median(3.2, 20.22, 3.2) it must return: 3.2000.
• Note: The definition of a median can be found here
2. Design a function called is multiple of that meets the following criteria:
• The function must take two integers (in the following order): n1 and n2 as arguments.
• The function must determine whether the second argument (n2) is a multiple of the first
argument (n1).
• If n2 is a multiple of n1, the function must return 1.
• If n2 is not a multiple of n1, the function must return 0.
• Note: The definition of a multiple can be found here
• Example: If the function is called as: is multiple of(3,12). 3 divides evenly into 12, 4
times, 12 is therefore a multiple of 3. The function returns 1.
3. Design a function called permitted to register that meets the following criteria:
• The function must take two arguments (in the following order):, the student’s sessional GPA
and a value representing the student’s standing (good standing will be a value of 1, representing
true, and a value of 0 indicates false).
• The function must return 1 if the student is permitted to register and 0 if they are not permitted
to register.
• The function must make sure that the GPA is a value between 0.0 and 9.0 (inclusive). If a
value outside this range is passed, the function must return -1.
• A student is permitted to register if their sessional GPA is at least 2.0
• A student is permitted to register if their sessional GPA is less than 2.0 but they are in good
standing.
• If the student is not in good standing and their sessional GPA is less than 2.0 they are not
permitted to register.
4. Design a function called print multiples that meets the following criteria:
• The function must take two arguments (in the following order): an integer (n) representing
the number of multiples and an integer (num) to compute the multiples of.
• The function must print n + 2 increasing multiples of num, separated by commas, starting at
n.
2
• The first value in the result must be num.
• Your output must have a comma and space between each value, with no additional spaces or
commas before or after the values. There must be no trailing comma.
• The output must end with a newline
• Examples:
Function Call Result
print multiples(0,4)
print multiples(3,0) 0, 0, 0, 0, 0
print multiples(3,4) 4, 8, 12, 16, 20
print multiples(6,-5) -5, 0, 5, 10, 15, 20, 25, 30
Note: print multiples(0,4) prints out nothing.
5. Design a function called factorial sum that meets the following criteria:
• The function must take one argument, an integer (n).
• The function may assume that the integer passed will be larger than 0.
• The function must return the sum of all of the factorial numbers from 0 to n (inclusive).
• The factorial of n (i.e. n!) is computed as:
n! = n ∗ (n − 1) ∗ (n − 2) ∗ (n − 3) ∗ ... ∗ 2 ∗ 1
• NOTE: 0! = 1.
• There are other ways to compute the factorial, but to receive full marks on this question your
implementation must use the formula shown above.
• RECALL: integer values have a limit, in testing this will put a limit on the highest value of n
your function can take as an argument.
6. Design a function called print number triangle that meets the following criteria:
• The function must take two arguments (in the following order): an integer max and an integer
reps.
• The function must print a right able triangle with the numbers, in order and separated by
single spaces, across multiple lines. The width of the triangle will be controlled by the max
argument.
• The triangle will be repeated reps times.
• Examples:
Function Call Result
print number triangle(0,4) 0
0
0
0
print number triangle(3,1) 0
0 1
0 1 2
0 1 2 3
print number triangle(4,2) 0
0 1
0 1 2
0 1 2 3
0 1 2 3 4
0
0 1
0 1 2
0 1 2 3
0 1 2 3 4
3