IE$1005-$ FROM COMPUTATIONAL THINKING TO PROGRAMMING AY$23/24$ SPECIAL TERMS TAKE$-$HOME ASSIGNMENT $2$

Instructions

Save your source code as HW$2\_$YourName. c and submit only HW$2\_$YourName $.$ c in NTULearn.

You are required to submit a video of yourself explaining the assignment solution. Refer to the instructions on video recording available in NTULearn.

You may resubmit as many times as you need until the deadline. Only the last file submitted before the deadline will be graded.

Ensure you submit the correct files. You will be graded based on the files that you submit.

Question ${?}_{(})$

Write a C program that finds common factors of two whole numbers. The program should do the following. The example user input is highlighted in red.

Prompt the user to enter a two$-$digit whole number.

Enter a two$-$digit whole number: $81$

Generate and display a random number smaller than the user$-$entered number.

The second number is $63.$

Compute and show their common factors.

Common factors of $81$ and $63$ are:

$1$

$3$

$9$

Display a sentence commenting on the number of common factors. The sentence should be in either singular or plural form, depending on the number of common factors.

There are $3$ common factors of $81$ and $63.$

or

There is $1$ common factor of $37$ and $13.$

Below are two more examples of the entire program run.

Enter a two$-$digit whole number: $48$

The second number is $41.$

Common factors of $48$ and $41$ are:

$1$

There is $1$ common factor of $48$ and $41.$

Enter a two$-$digit whole number: $72$

The second number is $46.$

Common factors of $72$ and $46$ are:

$1$

$2$

There are $2$ common factors of $72$ and $46.$

Note

You may assume that the user always provides a valid input.

Optimize your program for efficiency and easy reading.

Remember to style your code accordingly.

Marking schedule

Prompt the user and take the input

$15$ marks

$1$