Please solve the following questions:

• https://www.hackerrank.com/challenges/angry-professor
• https://www.hackerrank.com/challenges/sherlock-and-squares
• https://www.hackerrank.com/challenges/utopian-tree

Please solve them on www.hackerrank.com website, and explain your code by using comments, also add a screen shot showing your name and submission with all the test cases passed. Please submit your work on Moodle (as .docx or pdf file).

You can use any available programming language that you feel comfortable.

Good luck!