Introductory Programming Assignments

Polygons Exercises

Draw a horizontal line

Given a number n, print n asterisks on one line. Example when n=8:

********

Draw a vertical line

Given a number n, print n lines, each with one asterisk. Example when n=3:

*
*
*

Draw a right triangle

Given a number n, print n lines, each with one more asterisk than the last (i.e. one on the first line, two on the second,etc.). Example when n=3:

*
**
***

Isosceles Triangle

Given a number n, print a centered triangle. Example for n=3:

  *
 ***
*****

Diamond

Given a number n, print a centered diamond. Example for n=3:

  *
 ***
*****
 ***
  *

Diamond with Name

Given a number n, print a centered diamond with your name in place of the middle line. Example for n=3:

  *
 ***
Tulio
 ***
  *

Draw a square

Given a number n, print a square with side n. In order to give your square a nicer aspect ratio, intercalate the horizontal lines with asterisks and whitespaces. Example when n=4:

* * * *
*     *
*     *
* * * *

Draw a diagonal

Given a number n, print a diagonal of lenght n. Example when n=5:

*
 *
  *
   *
    *

Draw a reverse diagonal

Given a number n, print a reverse diagonal of lenght n. Example when n=5:

    *
   *
  *
 *
*

X marks the spot

Given a number n, print an X of size n. Assume n is odd. Example when n=5:

*   *
 * *
  *
 * *
*   *

FizzBuzz Exercise

FizzBuzz is a simple number game where you count, but say "Fizz" and/or "Buzz" instead of numbers adhering to certain rules.

Create a fizz_buzz() method that prints out the numbers 1 through 100.

• Instead of numbers divisible by three print "Fizz".
• Instead of numbers divisible by five print "Buzz".
• Instead of numbers divisible by three and five print "FizzBuzz".

Sample Output:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz

Prime Factors Exercise

Write a method generate(n) that given an integer N will return a list of integers such that the numbers are the factors of N and are arranged in increasing numerical order.

For example, generate(1) should return an empty list and generate(30) should return the numbers: 2,3,5.