Complexity measurement documentation

[eliu1217]

Document the complexity measurement done by hand and answer the questions in Assignment 3 PDF.

[danielwis]

I've written the section on Complexity measurement now, except for some of the individual contributions (i.e. own answers) left. These individual contributions are required for answering the following two questions:

• What is the purpose of these functions?
• Is the documentation of the function clear about the different possible outcomes induced by different branches taken?

I will structure the rest of the document into parts according to the assignment and create issues on here for each one, to make progress easier to track.

[danielwis]

Everyone needs to write about 2 functions each. We should close this once that's done.