Algorithm Book - Chapter 1 - Fundamentals

Question 1

What is the purpose of a T-diagram?

Answer 1

A t-diagram records the state of local variables, including arrays and their indices.

Question 2

What should you keep in mind when working with a t-diagram for if/else statements

Answer 2

Before a conditional (if/else, or each time through a while or for loop) check variable values in a t-diagram to predict how code will behave.